Provided by: mythtv-common_31.0+fixes.20200323.9579662cdc-0ubuntu1_amd64 bug

NAME

       mythffplay - MythTV ffmpeg player

DESCRIPTION

       ffplay version 4.2.1 Copyright (c) 2003-2019 the FFmpeg developers

              built    with    gcc    9   (Ubuntu   9.3.0-7ubuntu1)   configuration:   --arch=x86
              --sysinclude=/usr/include   --cc='ccache   gcc'   --cxx='ccache    g++'    --ld=gcc
              --cpu=generic      --target_os=linux      --pkg_config=pkg-config     --prefix=/usr
              --libdir=/usr/lib --as=gcc  --objcc=gcc  --dep_cc=gcc  --host_cc=gcc  --host_ld=gcc
              --disable-cross-compile   --enable-libmp3lame   --enable-libx264  --disable-libx265
              --enable-libvpx --disable-libxvid --enable-vdpau  --enable-libxml2  --enable-libass
              --disable-dxva2  --enable-libbluray  --disable-libfontconfig  --disable-libfreetype
              --disable-libiec61883     --disable-crystalhd     --enable-sdl2     --enable-ffplay
              --enable-vaapi    --extra-cflags='    -w'    --extra-ldflags=    --enable-stripping
              --strip='echo skipping strip' --disable-manpages  --disable-podpages  --disable-doc
              --disable-nvenc    --enable-shared   --disable-static   --enable-gpl   --enable-pic
              --disable-demuxer=mpegtsraw --disable-indev=dshow libavutil      56. 31.100  /  56.
              31.100  libavcodec      58.  54.100  /  58.  54.100 libavformat    58. 29.100 / 58.
              29.100 libavdevice    58.  8.100 / 58.   8.100  libavfilter      7.  57.100  /   7.
              57.100  libswscale       5.   5.100  /   5.   5.100 libswresample   3.  5.100 /  3.
              5.100 libpostproc    55.  5.100 / 55.  5.100

       Simple media player usage: ffplay [options] input_file

       Main options: -L                  show license -h  topic             show  help  -?  topic
       show   help   -help  topic          show  help  --help  topic         show  help  -version
       show  version  -buildconf           show  build  configuration  -formats              show
       available  formats  -muxers              show  available  muxers  -demuxers           show
       available demuxers -devices            show  available  devices  -codecs              show
       available  codecs  -decoders            show  available  decoders -encoders           show
       available encoders  -bsfs                show  available  bit  stream  filters  -protocols
       show   available   protocols   -filters              show   available   filters  -pix_fmts
       show  available  pixel  formats  -layouts              show   standard   channel   layouts
       -sample_fmts        show available audio sample formats -colors             show available
       color names -loglevel loglevel  set logging level -v loglevel          set  logging  level
       -report              generate  a  report  -max_alloc bytes    set maximum size of a single
       allocated block -sources device      list  sources  of  the  input  device  -sinks  device
       list  sinks  of  the  output  device  -x  width            force displayed width -y height
       force displayed height -s size              set  frame  size  (WxH  or  abbreviation)  -fs
       force  full screen -an                 disable audio -vn                 disable video -sn
       disable subtitling -ss pos             seek to a given position  in  seconds  -t  duration
       play   "duration"  seconds  of  audio/video  -bytes  val          seek by bytes 0=off 1=on
       -1=auto -seek_interval seconds  set seek interval for left/right keys, in seconds  -nodisp
       disable graphical display -noborder           borderless window -alwaysontop        window
       always  on  top  -volume  volume       set   startup   volume   0=min   100=max   -f   fmt
       force  format  -window_title  window title  set window title -af filter_graph    set audio
       filters -showmode mode      select show mode  (0  =  video,  1  =  waves,  2  =  RDFT)  -i
       input_file        read  specified  file  -codec  decoder_name   force  decoder -autorotate
       automatically rotate video

       Advanced options: -cpuflags flags     force specific cpu  flags  -hide_banner  hide_banner
       do  not  show  program  banner  -ast  stream_specifier   select  desired audio stream -vst
       stream_specifier  select  desired  video  stream  -sst  stream_specifier   select  desired
       subtitle stream -pix_fmt format     set pixel format -stats              show status -fast
       non spec compliant optimizations -genpts             generate pts -drp                 let
       decoder  reorder  pts 0=off 1=on -1=auto -lowres -sync type          set audio-video sync.
       type (type=audio/video/ext) -autoexit           exit at the end  -exitonkeydown       exit
       on key down -exitonmousedown    exit on mouse down -loop loop count    set number of times
       the playback shall be looped -framedrop          drop frames when cpu is too slow  -infbuf
       don't  limit  the input buffer size (useful with realtime streams) -left x pos         set
       the x position for the left of the window -top y pos          set the y position  for  the
       top  of  the  window  -vf filter_graph    set video filters -rdftspeed msecs    rdft speed
       -default            generic catch all option -acodec  decoder_name   force  audio  decoder
       -scodec  decoder_name   force  subtitle  decoder -vcodec decoder_name  force video decoder
       -find_stream_info    read  and  decode  the  streams  to  fill  missing  information  with
       heuristics -filter_threads     number of filter threads per graph

   AVCodecContext AVOptions:
       -flags <flags>      ED.VAS... (default 0)

       unaligned
              .D.V..... allow decoders to produce unaligned output

       gray   ED.V..... only decode/encode grayscale

       truncated
              .D.V..... Input bitstream might be randomly truncated

       low_delay
              ED.V..... force low delay

       bitexact
              ED.VAS... use only bitexact functions (except (I)DCT)

       output_corrupt
              .D.V..... Output even potentially corrupted frames

       drop_changed
              .D.VA.... Drop frames whose parameters differ from first decoded frame

       -flags2
              <flags>      ED.VA.... (default 0)

       ignorecrop
              .D.V..... ignore cropping information from sps

       chunks .D.V..... Frame data might be split into multiple chunks

       showall
              .D.V..... Show all frames before the first keyframe

       export_mvs
              .D.V..... export motion vectors through frame side data

       skip_manual
              .D.V..... do not skip samples and export skip information as frame side data

       ass_ro_flush_noop
              .D...S... do not reset ASS ReadOrder field on flush

       -ar    <int>        ED..A.... set audio sampling rate (in Hz) (from 0 to INT_MAX) (default
              0)

       -ac    <int>        ED..A.... set number of audio channels (from 0 to INT_MAX) (default 0)

       -bug   <flags>       .D.V.....  work  around  not  autodetected  encoder   bugs   (default
              autodetect)

       autodetect
              .D.V.....

       xvid_ilace
              .D.V..... Xvid interlacing bug (autodetected if FOURCC == XVIX)

       ump4   .D.V..... (autodetected if FOURCC == UMP4)

       no_padding
              .D.V..... padding bug (autodetected)

       amv    .D.V.....

       qpel_chroma
              .D.V.....

       std_qpel
              .D.V..... old standard qpel (autodetected per FOURCC/version)

       qpel_chroma2
              .D.V.....

       direct_blocksize
              .D.V..... direct-qpel-blocksize bug (autodetected per FOURCC/version)

       edge   .D.V..... edge padding bug (autodetected per FOURCC/version)

       hpel_chroma
              .D.V.....

       dc_clip
              .D.V.....

       ms     .D.V..... work around various bugs in Microsoft's broken decoders

       trunc  .D.V..... truncated frames

       iedge  .D.V.....

       -strict
              <int>         ED.VA....  how  strictly  to  follow  the  standards (from INT_MIN to
              INT_MAX) (default normal)

       very   ED.VA.... strictly conform to a older more strict version of the spec or  reference
              software

       strict ED.VA....  strictly  conform  to  all  the  things  in  the spec no matter what the
              consequences

       normal ED.VA....

       unofficial
              ED.VA.... allow unofficial extensions

       experimental
              ED.VA.... allow non-standardized experimental things

       -err_detect
              <flags>      .D.VA.... set error detection flags (default 0)

       crccheck
              .D.VA.... verify embedded CRCs

       bitstream
              .D.VA.... detect bitstream specification deviations

       buffer .D.VA.... detect improper bitstream length

       explode
              .D.VA.... abort decoding on minor error detection

       ignore_err
              .D.VA.... ignore errors

       careful
              .D.VA.... consider things that violate the spec, are fast to  check  and  have  not
              been seen in the wild as errors

       compliant
              .D.VA.... consider all spec non compliancies as errors

       aggressive
              .D.VA.... consider things that a sane encoder should not do as an error

       -idct  <int>         ED.V.....  select  IDCT  implementation  (from 0 to INT_MAX) (default
              auto)

       auto   ED.V.....

       int    ED.V.....

       simple ED.V.....

       simplemmx
              ED.V.....

       arm    ED.V.....

       altivec
              ED.V.....

       simplearm
              ED.V.....

       simplearmv5te
              ED.V.....

       simplearmv6
              ED.V.....

       simpleneon
              ED.V.....

       xvid   ED.V.....

       xvidmmx
              ED.V..... deprecated, for compatibility only

       faani  ED.V..... floating point AAN IDCT

       simpleauto
              ED.V.....

       -ec    <flags>      .D.V..... set error concealment strategy (default guess_mvs+deblock)

       guess_mvs
              .D.V..... iterative motion vector (MV) search (slow)

       deblock
              .D.V..... use strong deblock filter for damaged MBs

       favor_inter
              .D.V..... favor predicting from the previous frame

       -debug <flags>      ED.VAS... print specific debug info (default 0)

       pict   .D.V..... picture info

       bitstream
              .D.V.....

       mb_type
              .D.V..... macroblock (MB) type

       qp     .D.V..... per-block quantization parameter (QP)

       dct_coeff
              .D.V.....

       green_metadata
              .D.V.....

       skip   .D.V.....

       startcode
              .D.V.....

       er     .D.V..... error recognition

       mmco   .D.V..... memory management control operations (H.264)

       bugs   .D.V.....

       buffers
              .D.V..... picture buffer allocations

       thread_ops
              .D.VA.... threading operations

       nomc   .D.VA.... skip motion compensation

       -threads
              <int>        ED.VA.... set the number of threads (from 0 to INT_MAX) (default 1)

       auto   ED.V..... autodetect a suitable number of threads to use

       -skip_top
              <int>        .D.V..... number of macroblock rows at the top which are skipped (from
              INT_MIN to INT_MAX) (default 0)

       -skip_bottom
              <int>         .D.V.....  number  of macroblock rows at the bottom which are skipped
              (from INT_MIN to INT_MAX) (default 0)

       -lowres
              <int>        .D.VA.... decode at 1=  1/2,  2=1/4,  3=1/8  resolutions  (from  0  to
              INT_MAX) (default 0)

       -skip_loop_filter
              <int>         .D.V.....  skip  loop filtering process for the selected frames (from
              INT_MIN to INT_MAX) (default default)

       none   .D.V..... discard no frame

       default
              .D.V..... discard useless frames

       noref  .D.V..... discard all non-reference frames

       bidir  .D.V..... discard all bidirectional frames

       nokey  .D.V..... discard all frames except keyframes

       nointra
              .D.V..... discard all frames except I frames

       all    .D.V..... discard all frames

       -skip_idct
              <int>        .D.V..... skip  IDCT/dequantization  for  the  selected  frames  (from
              INT_MIN to INT_MAX) (default default)

       none   .D.V..... discard no frame

       default
              .D.V..... discard useless frames

       noref  .D.V..... discard all non-reference frames

       bidir  .D.V..... discard all bidirectional frames

       nokey  .D.V..... discard all frames except keyframes

       nointra
              .D.V..... discard all frames except I frames

       all    .D.V..... discard all frames

       -skip_frame
              <int>         .D.V.....  skip  decoding  for  the  selected frames (from INT_MIN to
              INT_MAX) (default default)

       none   .D.V..... discard no frame

       default
              .D.V..... discard useless frames

       noref  .D.V..... discard all non-reference frames

       bidir  .D.V..... discard all bidirectional frames

       nokey  .D.V..... discard all frames except keyframes

       nointra
              .D.V..... discard all frames except I frames

       all    .D.V..... discard all frames

       -channel_layout
              <uint64>     ED..A.... (from 0 to 1.84467e+19) (default 0)

       -request_channel_layout <uint64>
              .D..A.... (from 0 to 1.84467e+19) (default 0)

       -ticks_per_frame
              <int>        ED.VA.... (from 1 to INT_MAX) (default 1)

       -color_primaries
              <int>        ED.V..... color primaries (from 1 to INT_MAX) (default unknown)

       bt709  ED.V..... BT.709

       unknown
              ED.V..... Unspecified

       bt470m ED.V..... BT.470 M

       bt470bg
              ED.V..... BT.470 BG

       smpte170m
              ED.V..... SMPTE 170 M

       smpte240m
              ED.V..... SMPTE 240 M

       film   ED.V..... Film

       bt2020 ED.V..... BT.2020

       smpte428
              ED.V..... SMPTE 428-1

       smpte428_1
              ED.V..... SMPTE 428-1

       smpte431
              ED.V..... SMPTE 431-2

       smpte432
              ED.V..... SMPTE 422-1

       jedec-p22
              ED.V..... JEDEC P22

       unspecified
              ED.V..... Unspecified

       -color_trc
              <int>        ED.V..... color transfer characteristics (from 1 to INT_MAX)  (default
              unknown)

       bt709  ED.V..... BT.709

       unknown
              ED.V..... Unspecified

       gamma22
              ED.V..... BT.470 M

       gamma28
              ED.V..... BT.470 BG

       smpte170m
              ED.V..... SMPTE 170 M

       smpte240m
              ED.V..... SMPTE 240 M

       linear ED.V..... Linear

       log100 ED.V..... Log

       log316 ED.V..... Log square root

       iec61966-2-4
              ED.V..... IEC 61966-2-4

       bt1361e
              ED.V..... BT.1361

       iec61966-2-1
              ED.V..... IEC 61966-2-1

       bt2020-10
              ED.V..... BT.2020 - 10 bit

       bt2020-12
              ED.V..... BT.2020 - 12 bit

       smpte2084
              ED.V..... SMPTE 2084

       smpte428
              ED.V..... SMPTE 428-1

       arib-std-b67
              ED.V..... ARIB STD-B67

       unspecified
              ED.V..... Unspecified

       log    ED.V..... Log

       log_sqrt
              ED.V..... Log square root

       iec61966_2_4
              ED.V..... IEC 61966-2-4

       bt1361 ED.V..... BT.1361

       iec61966_2_1
              ED.V..... IEC 61966-2-1

       bt2020_10bit
              ED.V..... BT.2020 - 10 bit

       bt2020_12bit
              ED.V..... BT.2020 - 12 bit

       smpte428_1
              ED.V..... SMPTE 428-1

       -colorspace
              <int>        ED.V..... color space (from 0 to INT_MAX) (default unknown)

       rgb    ED.V..... RGB

       bt709  ED.V..... BT.709

       unknown
              ED.V..... Unspecified

       fcc    ED.V..... FCC

       bt470bg
              ED.V..... BT.470 BG

       smpte170m
              ED.V..... SMPTE 170 M

       smpte240m
              ED.V..... SMPTE 240 M

       ycgco  ED.V..... YCGCO

       bt2020nc
              ED.V..... BT.2020 NCL

       bt2020c
              ED.V..... BT.2020 CL

       smpte2085
              ED.V..... SMPTE 2085

       unspecified
              ED.V..... Unspecified

       ycocg  ED.V..... YCGCO

       bt2020_ncl
              ED.V..... BT.2020 NCL

       bt2020_cl
              ED.V..... BT.2020 CL

       -color_range
              <int>        ED.V..... color range (from 0 to INT_MAX) (default unknown)

       unknown
              ED.V..... Unspecified

       tv     ED.V..... MPEG (219*2^(n-8))

       pc     ED.V..... JPEG (2^n-1)

       unspecified
              ED.V..... Unspecified

       mpeg   ED.V..... MPEG (219*2^(n-8))

       jpeg   ED.V..... JPEG (2^n-1)

       -chroma_sample_location <int>
              ED.V..... chroma sample location (from 0 to INT_MAX) (default unknown)

       unknown
              ED.V..... Unspecified

       left   ED.V..... Left

       center ED.V..... Center

       topleft
              ED.V..... Top-left

       top    ED.V..... Top

       bottomleft
              ED.V..... Bottom-left

       bottom ED.V..... Bottom

       unspecified
              ED.V..... Unspecified

       -thread_type
              <flags>      ED.VA.... select multithreading type (default slice+frame)

       slice  ED.V.....

       frame  ED.V.....

       -request_sample_fmt  <sample_fmt>  .D..A....  sample  format  audio decoders should prefer
              (default none)

       -sub_charenc
              <string>     .D...S... set input text subtitles character encoding

       -sub_charenc_mode
              <flags>      .D...S... set input text subtitles character encoding mode (default 0)

       do_nothing
              .D...S...

       auto   .D...S...

       pre_decoder
              .D...S...

       ignore .D...S...

       -sub_text_format
              <int>        .D...S... set decoded text subtitle format  (from  0  to  1)  (default
              ass_with_timings)

       ass    .D...S...

       ass_with_timings
              .D...S...

       -refcounted_frames <boolean>
              .D.VA.... (default false)

       -apply_cropping
              <boolean>    .D.V..... (default true)

       -skip_alpha
              <boolean>    .D.V..... Skip processing alpha (default false)

       -field_order
              <int>        ED.V..... Field order (from 0 to 5) (default 0)

       progressive
              ED.V.....

       tt     ED.V.....

       bb     ED.V.....

       tb     ED.V.....

       bt     ED.V.....

       -dump_separator
              <string>     ED.VAS... set information dump field separator

       -codec_whitelist
              <string>     .D.VAS... List of decoders that are allowed to be used

       -max_pixels
              <int64>       ED.VAS...  Maximum  number  of  pixels  (from  0 to INT_MAX) (default
              INT_MAX)

       -hwaccel_flags
              <flags>      .D.V..... (default ignore_level)

       ignore_level
              .D.V..... ignore level even if the codec level used is unknown or higher  than  the
              maximum supported level reported by the hardware driver

       allow_high_depth
              .D.V.....  allow  to output YUV pixel formats with a different chroma sampling than
              4:2:0 and/or other than 8 bits per component

       allow_profile_mismatch
              .D.V..... attempt to decode anyway if HW accelerated decoder's  supported  profiles
              do not exactly match the stream

       -extra_hw_frames
              <int>         .D.V.....  Number  of  extra hardware frames to allocate for the user
              (from -1 to INT_MAX) (default -1)

       -discard_damaged_percentage <int>
              .D.V..... Percentage of damaged samples to discard a frame (from 0 to 100) (default
              95)

       amv encoder AVOptions:

       APNG encoder AVOptions:

       cinepak AVOptions:

       cljr encoder AVOptions:

       dnxhd AVOptions:

       dvvideo encoder AVOptions:

       ffv1 encoder AVOptions:

       ffvhuff AVOptions:

       flv encoder AVOptions:

       GIF encoder AVOptions:

       h261 encoder AVOptions:

       H.263 encoder AVOptions:

       H.263p encoder AVOptions:

       huffyuv AVOptions:

       jpeg 2000 encoder AVOptions:

       jpegls AVOptions:

       ljpeg AVOptions:

       magicyuv AVOptions:

       mjpeg encoder AVOptions:

       mpeg1video encoder AVOptions:

       mpeg2video encoder AVOptions:

       MPEG4 encoder AVOptions:

       msmpeg4v2 encoder AVOptions:

       msmpeg4v3 encoder AVOptions:

       PNG encoder AVOptions:

       ProRes encoder AVOptions:

       ProResAw encoder AVOptions:

       ProRes encoder AVOptions:

       RoQ AVOptions:

       rv10 encoder AVOptions:

       rv20 encoder AVOptions:

       sgi AVOptions:

       snow encoder AVOptions:

       sunrast AVOptions:

       svq1enc AVOptions:

       targa AVOptions:

       TIFF encoder AVOptions:

       utvideo AVOptions:

       SMPTE VC-2 encoder AVOptions:

       wmv1 encoder AVOptions:

       wmv2 encoder AVOptions:

       AAC encoder AVOptions:

       AC-3 Encoder AVOptions:

       Fixed-Point AC-3 Encoder AVOptions:

       alacenc AVOptions:

       DCA (DTS Coherent Acoustics) AVOptions:

       E-AC-3 Encoder AVOptions:

       FLAC encoder AVOptions:

       Opus encoder AVOptions:

       sbc encoder AVOptions:

       WavPack encoder AVOptions:

       g726 AVOptions:

       g726le AVOptions:

       VOBSUB subtitle encoder AVOptions:

       libmp3lame encoder AVOptions:

       libvpx-vp8 encoder AVOptions:

       libvpx-vp9 encoder AVOptions:

       libx264 AVOptions:

       libx264rgb AVOptions:

       h264_vaapi AVOptions:

       h265_vaapi AVOptions:

       mjpeg_vaapi AVOptions:

       mpeg2_vaapi AVOptions:

       vp8_vaapi AVOptions:

       vp9_vaapi AVOptions:

   EXR AVOptions:
       -layer <string>     .D.V..... Set the decoding layer (default "")

       -gamma <float>       .D.V.....  Set  the  float  gamma  value when decoding (from 0.001 to
              FLT_MAX) (default 1)

       -apply_trc
              <int>        .D.V..... color transfer characteristics to apply to EXR linear  input
              (from 1 to 18) (default gamma)

       bt709  .D.V..... BT.709

       gamma  .D.V..... gamma

       gamma22
              .D.V..... BT.470 M

       gamma28
              .D.V..... BT.470 BG

       smpte170m
              .D.V..... SMPTE 170 M

       smpte240m
              .D.V..... SMPTE 240 M

       linear .D.V..... Linear

       log    .D.V..... Log

       log_sqrt
              .D.V..... Log square root

       iec61966_2_4
              .D.V..... IEC 61966-2-4

       bt1361 .D.V..... BT.1361

       iec61966_2_1
              .D.V..... IEC 61966-2-1

       bt2020_10bit
              .D.V..... BT.2020 - 10 bit

       bt2020_12bit
              .D.V..... BT.2020 - 12 bit

       smpte2084
              .D.V..... SMPTE ST 2084

       smpte428_1
              .D.V..... SMPTE ST 428-1

   FIC decoder AVOptions:
       -skip_cursor
              <boolean>    .D.V..... skip the cursor (default false)

   FITS decoder AVOptions:
       -blank_value
              <int>         .D.V.....  value  that  is used to replace BLANK pixels in data array
              (from 0 to 65535) (default 0)

   frwu Decoder AVOptions:
       -change_field_order <boolean>
              .D.V..... Change field order (default false)

   gif decoder AVOptions:
       -trans_color
              <int>        .D.V..... color value (ARGB) that is used instead of transparent color
              (from 0 to UINT32_MAX) (default 1.67772e+07)

   H264 Decoder AVOptions:
       -enable_er
              <boolean>     .D.V..... Enable error resilience on damaged frames (unsafe) (default
              auto)

       -x264_build
              <int>        .D.V..... Assume this x264 version if no x264 version found in any SEI
              (from -1 to INT_MAX) (default -1)

   HEVC decoder AVOptions:
       -apply_defdispwin
              <boolean>    .D.V..... Apply default display window from VUI (default false)

       -strict-displaywin <boolean>
              .D.V..... stricly apply default display window size (default false)

   jpeg2000 AVOptions:
       -lowres
              <int>         .D.V.....  Lower the decoding resolution by a power of two (from 0 to
              33) (default 0)

   MJPEG decoder AVOptions:
       -extern_huff
              <boolean>    .D.V..... Use external huffman table. (default false)

       MPEG4 Video Decoder AVOptions:

   rasc decoder AVOptions:
       -skip_cursor
              <boolean>    .D.V..... skip the cursor (default false)

   rawdec AVOptions:
       -top   <boolean>    .D.V..... top field first (default auto)

   SMPTE 302M Decoder AVOptions:
       -non_pcm_mode
              <int>        .D..A.... Chooses what to do with  NON-PCM  (from  0  to  3)  (default
              decode_drop)

       copy   .D..A.... Pass NON-PCM through unchanged

       drop   .D..A.... Drop NON-PCM

       decode_copy
              .D..A.... Decode if possible else passthrough

       decode_drop
              .D..A.... Decode if possible else drop

   TIFF decoder AVOptions:
       -subimage
              <boolean>    .D.V..... decode subimage instead if available (default false)

       -thumbnail
              <boolean>     .D.V.....  decode  embedded  thumbnail  subimage instead if available
              (default false)

       -page  <int>        .D.V..... page number of multi-page image to decode (starting from  1)
              (from 0 to 65535) (default 0)

   V210 Decoder AVOptions:
       -custom_stride
              <int>        .D.V..... Custom V210 stride (from INT_MIN to INT_MAX) (default 0)

   AAC decoder AVOptions:
       -dual_mono_mode
              <int>         .D..A....  Select  the channel to decode for dual mono (from -1 to 2)
              (default auto)

       auto   .D..A.... autoselection

       main   .D..A.... Select Main/Left channel

       sub    .D..A.... Select Sub/Right channel

       both   .D..A.... Select both channels

   AC3 decoder AVOptions:
       -cons_noisegen
              <boolean>    .D..A.... enable consistent noise generation (default false)

       -drc_scale
              <float>      .D..A.... percentage of dynamic range compression to apply (from 0  to
              6) (default 1)

       -heavy_compr
              <boolean>    .D..A.... enable heavy dynamic range compression (default false)

       -target_level
              <int>         .D..A....  target  level  in  -dBFS  (0  not applied) (from -31 to 0)
              (default 0)

   Fixed-Point AC-3 Decoder AVOptions:
       -cons_noisegen
              <boolean>    .D..A.... enable consistent noise generation (default false)

       -drc_scale
              <float>      .D..A.... percentage of dynamic range compression to apply (from 0  to
              6) (default 1)

       -heavy_compr
              <boolean>    .D..A.... enable heavy dynamic range compression (default false)

   alac AVOptions:
       -extra_bits_bug
              <boolean>    .D..A.... Force non-standard decoding process (default false)

   APE decoder AVOptions:
       -max_samples
              <int>         .D..A....  maximum  number  of  samples  decoded  per call (from 1 to
              INT_MAX) (default 4608)

       all    .D..A.... no maximum. decode all samples for each packet at once

   DCA decoder AVOptions:
       -core_only
              <boolean>    .D..A.... Decode core only without extensions (default false)

   E-AC3 decoder AVOptions:
       -cons_noisegen
              <boolean>    .D..A.... enable consistent noise generation (default false)

       -drc_scale
              <float>      .D..A.... percentage of dynamic range compression to apply (from 0  to
              6) (default 1)

       -heavy_compr
              <boolean>    .D..A.... enable heavy dynamic range compression (default false)

       -target_level
              <int>         .D..A....  target  level  in  -dBFS  (0  not applied) (from -31 to 0)
              (default 0)

   evrc AVOptions:
       -postfilter
              <boolean>    .D..A.... enable postfilter (default true)

   FLAC decoder AVOptions:
       -use_buggy_lpc
              <boolean>    .D..A.... emulate old buggy lavc behavior (default false)

   G.723.1 decoder AVOptions:
       -postfilter
              <boolean>    .D..A.... enable postfilter (default true)

   Opus Decoder AVOptions:
       -apply_phase_inv
              <boolean>    .D..A.... Apply intensity stereo phase inversion (default true)

   TTA Decoder AVOptions:
       -password
              <string>     .D..A.... Set decoding password

   g722 decoder AVOptions:
       -bits_per_codeword <int>
              .D..A.... Bits per G722 codeword (from 6 to 8) (default 8)

   Closed caption Decoder AVOptions:
       -real_time
              <boolean>    .D...S... emit subtitle events  as  they  are  decoded  for  real-time
              display (default false)

   DVB Sub Decoder AVOptions:
       -compute_edt
              <boolean>    .D...S... compute end of time using pts or timeout (default false)

       -compute_clut
              <boolean>    .D...S... compute clut when not available(-1) or always(1) or never(0)
              (default auto)

       -dvb_substream
              <int>        .D...S...  (from -1 to 63) (default -1)

   dvdsubdec AVOptions:
       -palette
              <string>     .D...S... set the global palette

       -ifo_palette
              <string>     .D...S... obtain the global palette from .IFO file

       -forced_subs_only
              <boolean>    .D...S... Only show forced subtitles (default false)

   PGS subtitle decoder AVOptions:
       -forced_subs_only
              <boolean>    .D...S... Only show forced subtitles (default false)

   pjs decoder AVOptions:
       -keep_ass_markup
              <boolean>    .D...S... Set if ASS tags must be escaped (default false)

   stl decoder AVOptions:
       -keep_ass_markup
              <boolean>    .D...S... Set if ASS tags must be escaped (default false)

   subviewer1 decoder AVOptions:
       -keep_ass_markup
              <boolean>    .D...S... Set if ASS tags must be escaped (default false)

   text decoder AVOptions:
       -keep_ass_markup
              <boolean>    .D...S... Set if ASS tags must be escaped (default false)

   vplayer decoder AVOptions:
       -keep_ass_markup
              <boolean>    .D...S... Set if ASS tags must be escaped (default false)

   h264_cuvid AVOptions:
       -deint <int>        .D.V..... Set deinterlacing mode (from 0 to 2) (default weave)

       weave  .D.V..... Weave deinterlacing (do nothing)

       bob    .D.V..... Bob deinterlacing

       adaptive
              .D.V..... Adaptive deinterlacing

       -gpu   <string>     .D.V..... GPU to be used for decoding

       -surfaces
              <int>        .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX)
              (default 25)

       -drop_second_field <boolean>
              .D.V..... Drop second field when deinterlacing (default false)

       -crop  <string>     .D.V..... Crop (top)x(bottom)x(left)x(right)

       -resize
              <string>     .D.V..... Resize (width)x(height)

   hevc_cuvid AVOptions:
       -deint <int>        .D.V..... Set deinterlacing mode (from 0 to 2) (default weave)

       weave  .D.V..... Weave deinterlacing (do nothing)

       bob    .D.V..... Bob deinterlacing

       adaptive
              .D.V..... Adaptive deinterlacing

       -gpu   <string>     .D.V..... GPU to be used for decoding

       -surfaces
              <int>        .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX)
              (default 25)

       -drop_second_field <boolean>
              .D.V..... Drop second field when deinterlacing (default false)

       -crop  <string>     .D.V..... Crop (top)x(bottom)x(left)x(right)

       -resize
              <string>     .D.V..... Resize (width)x(height)

   mjpeg_cuvid AVOptions:
       -deint <int>        .D.V..... Set deinterlacing mode (from 0 to 2) (default weave)

       weave  .D.V..... Weave deinterlacing (do nothing)

       bob    .D.V..... Bob deinterlacing

       adaptive
              .D.V..... Adaptive deinterlacing

       -gpu   <string>     .D.V..... GPU to be used for decoding

       -surfaces
              <int>        .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX)
              (default 25)

       -drop_second_field <boolean>
              .D.V..... Drop second field when deinterlacing (default false)

       -crop  <string>     .D.V..... Crop (top)x(bottom)x(left)x(right)

       -resize
              <string>     .D.V..... Resize (width)x(height)

   mpeg1_cuvid AVOptions:
       -deint <int>        .D.V..... Set deinterlacing mode (from 0 to 2) (default weave)

       weave  .D.V..... Weave deinterlacing (do nothing)

       bob    .D.V..... Bob deinterlacing

       adaptive
              .D.V..... Adaptive deinterlacing

       -gpu   <string>     .D.V..... GPU to be used for decoding

       -surfaces
              <int>        .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX)
              (default 25)

       -drop_second_field <boolean>
              .D.V..... Drop second field when deinterlacing (default false)

       -crop  <string>     .D.V..... Crop (top)x(bottom)x(left)x(right)

       -resize
              <string>     .D.V..... Resize (width)x(height)

   mpeg2_cuvid AVOptions:
       -deint <int>        .D.V..... Set deinterlacing mode (from 0 to 2) (default weave)

       weave  .D.V..... Weave deinterlacing (do nothing)

       bob    .D.V..... Bob deinterlacing

       adaptive
              .D.V..... Adaptive deinterlacing

       -gpu   <string>     .D.V..... GPU to be used for decoding

       -surfaces
              <int>        .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX)
              (default 25)

       -drop_second_field <boolean>
              .D.V..... Drop second field when deinterlacing (default false)

       -crop  <string>     .D.V..... Crop (top)x(bottom)x(left)x(right)

       -resize
              <string>     .D.V..... Resize (width)x(height)

   mpeg4_cuvid AVOptions:
       -deint <int>        .D.V..... Set deinterlacing mode (from 0 to 2) (default weave)

       weave  .D.V..... Weave deinterlacing (do nothing)

       bob    .D.V..... Bob deinterlacing

       adaptive
              .D.V..... Adaptive deinterlacing

       -gpu   <string>     .D.V..... GPU to be used for decoding

       -surfaces
              <int>        .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX)
              (default 25)

       -drop_second_field <boolean>
              .D.V..... Drop second field when deinterlacing (default false)

       -crop  <string>     .D.V..... Crop (top)x(bottom)x(left)x(right)

       -resize
              <string>     .D.V..... Resize (width)x(height)

   vc1_cuvid AVOptions:
       -deint <int>        .D.V..... Set deinterlacing mode (from 0 to 2) (default weave)

       weave  .D.V..... Weave deinterlacing (do nothing)

       bob    .D.V..... Bob deinterlacing

       adaptive
              .D.V..... Adaptive deinterlacing

       -gpu   <string>     .D.V..... GPU to be used for decoding

       -surfaces
              <int>        .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX)
              (default 25)

       -drop_second_field <boolean>
              .D.V..... Drop second field when deinterlacing (default false)

       -crop  <string>     .D.V..... Crop (top)x(bottom)x(left)x(right)

       -resize
              <string>     .D.V..... Resize (width)x(height)

   vp8_cuvid AVOptions:
       -deint <int>        .D.V..... Set deinterlacing mode (from 0 to 2) (default weave)

       weave  .D.V..... Weave deinterlacing (do nothing)

       bob    .D.V..... Bob deinterlacing

       adaptive
              .D.V..... Adaptive deinterlacing

       -gpu   <string>     .D.V..... GPU to be used for decoding

       -surfaces
              <int>        .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX)
              (default 25)

       -drop_second_field <boolean>
              .D.V..... Drop second field when deinterlacing (default false)

       -crop  <string>     .D.V..... Crop (top)x(bottom)x(left)x(right)

       -resize
              <string>     .D.V..... Resize (width)x(height)

   vp9_cuvid AVOptions:
       -deint <int>        .D.V..... Set deinterlacing mode (from 0 to 2) (default weave)

       weave  .D.V..... Weave deinterlacing (do nothing)

       bob    .D.V..... Bob deinterlacing

       adaptive
              .D.V..... Adaptive deinterlacing

       -gpu   <string>     .D.V..... GPU to be used for decoding

       -surfaces
              <int>        .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX)
              (default 25)

       -drop_second_field <boolean>
              .D.V..... Drop second field when deinterlacing (default false)

       -crop  <string>     .D.V..... Crop (top)x(bottom)x(left)x(right)

       -resize
              <string>     .D.V..... Resize (width)x(height)

   AVFormatContext AVOptions:
       -avioflags
              <flags>      ED....... (default 0)

       direct ED....... reduce buffering

       -probesize
              <int64>      .D....... set probing size (from 32 to I64_MAX) (default 5e+06)

       -formatprobesize
              <int>        .D....... number of bytes to probe file format (from 0 to 2.14748e+09)
              (default 1.04858e+06)

       -fflags
              <flags>      ED....... (default autobsf)

       ignidx .D....... ignore index

       genpts .D....... generate pts

       nofillin
              .D....... do not fill in missing values that can be exactly calculated

       noparse
              .D....... disable AVParsers, this needs nofillin too

       igndts .D....... ignore dts

       discardcorrupt
              .D....... discard corrupted frames

       sortdts
              .D....... try to interleave outputted packets by dts

       keepside
              .D....... deprecated, does nothing

       fastseek
              .D....... fast but inaccurate seeks

       nobuffer
              .D....... reduce the latency introduced by optional buffering

       -seek2any
              <boolean>    .D.......  allow  seeking  to  non-keyframes  on  demuxer  level  when
              supported (default false)

       -analyzeduration
              <int64>       .D.......  specify  how  many  microseconds are analyzed to probe the
              input (from 0 to I64_MAX) (default 0)

       -cryptokey
              <binary>     .D....... decryption key

       -indexmem
              <int>        .D....... max memory used for timestamp index (per stream) (from 0  to
              INT_MAX) (default 1.04858e+06)

       -rtbufsize
              <int>         .D.......  max  memory used for buffering real-time frames (from 0 to
              INT_MAX) (default 3.04128e+06)

       -fdebug
              <flags>      ED....... print specific debug info (default 0)

       ts     ED.......

       -max_delay
              <int>        ED....... maximum muxing or demuxing delay in microseconds (from -1 to
              INT_MAX) (default -1)

       -fpsprobesize
              <int>         .D....... number of frames used to probe fps (from -1 to 2.14748e+09)
              (default -1)

       -f_err_detect
              <flags>      .D....... set error detection flags (deprecated; use err_detect,  save
              via avconv) (default crccheck)

       crccheck
              .D....... verify embedded CRCs

       bitstream
              .D....... detect bitstream specification deviations

       buffer .D....... detect improper bitstream length

       explode
              .D....... abort decoding on minor error detection

       ignore_err
              .D....... ignore errors

       careful
              .D.......  consider  things  that  violate the spec, are fast to check and have not
              been seen in the wild as errors

       compliant
              .D....... consider all spec non compliancies as errors

       aggressive
              .D....... consider things that a sane encoder shouldn't do as an error

       -err_detect
              <flags>      .D....... set error detection flags (default crccheck)

       crccheck
              .D....... verify embedded CRCs

       bitstream
              .D....... detect bitstream specification deviations

       buffer .D....... detect improper bitstream length

       explode
              .D....... abort decoding on minor error detection

       ignore_err
              .D....... ignore errors

       careful
              .D....... consider things that violate the spec, are fast to  check  and  have  not
              been seen in the wild as errors

       compliant
              .D....... consider all spec non compliancies as errors

       aggressive
              .D....... consider things that a sane encoder shouldn't do as an error

       -use_wallclock_as_timestamps <boolean>
              .D....... use wallclock as timestamps (default false)

       -skip_initial_bytes <int64>
              .D.......  set  number of bytes to skip before reading header and frames (from 0 to
              I64_MAX) (default 0)

       -correct_ts_overflow <boolean>
              .D....... correct single timestamp overflows (default true)

       -f_strict
              <int>        ED....... how  strictly  to  follow  the  standards  (deprecated;  use
              strict, save via avconv) (from INT_MIN to INT_MAX) (default normal)

       very   ED.......  strictly conform to a older more strict version of the spec or reference
              software

       strict ED....... strictly conform to all the  things  in  the  spec  no  matter  what  the
              consequences

       normal ED.......

       unofficial
              ED....... allow unofficial extensions

       experimental
              ED....... allow non-standardized experimental variants

       -strict
              <int>         ED.......  how  strictly  to  follow  the  standards (from INT_MIN to
              INT_MAX) (default normal)

       very   ED....... strictly conform to a older more strict version of the spec or  reference
              software

       strict ED.......  strictly  conform  to  all  the  things  in  the spec no matter what the
              consequences

       normal ED.......

       unofficial
              ED....... allow unofficial extensions

       experimental
              ED....... allow non-standardized experimental variants

       -max_ts_probe
              <int>        .D....... maximum number of packets to  read  while  waiting  for  the
              first timestamp (from 0 to INT_MAX) (default 50)

       -dump_separator
              <string>     ED....... set information dump field separator (default ", ")

       -codec_whitelist
              <string>     .D....... List of decoders that are allowed to be used

       -format_whitelist
              <string>     .D....... List of demuxers that are allowed to be used

       -protocol_whitelist <string>
              .D....... List of protocols that are allowed to be used

       -protocol_blacklist <string>
              .D....... List of protocols that are not allowed to be used

       -max_streams
              <int>        .D....... maximum number of streams (from 0 to INT_MAX) (default 1000)

       -skip_estimate_duration_from_pts <boolean>
              .D....... skip duration calculation in estimate_timings_from_pts (default false)

   AVIOContext AVOptions:
       -protocol_whitelist <string>
              .D....... List of protocols that are allowed to be used

   URLContext AVOptions:
       -protocol_whitelist <string>
              .D....... List of protocols that are allowed to be used

       -protocol_blacklist <string>
              .D....... List of protocols that are not allowed to be used

       -rw_timeout
              <int64>       ED.......  Timeout  for  IO  operations  (in microseconds) (from 0 to
              I64_MAX) (default 0)

       Async AVOptions:

   bluray AVOptions:
       -playlist
              <int>        .D.......  (from -1 to 99999) (default -1)

       -angle <int>        .D.......  (from 0 to 254) (default 0)

       -chapter
              <int>        .D.......  (from 1 to 65534) (default 1)

   Cache AVOptions:
       -read_ahead_limit
              <int>        .D....... Amount in bytes that may be read ahead  when  seeking  isn't
              supported, -1 for unlimited (from -1 to INT_MAX) (default 65536)

   crypto AVOptions:
       -key   <binary>     ED....... AES encryption/decryption key

       -iv    <binary>     ED....... AES encryption/decryption initialization vector

       -decryption_key
              <binary>     .D....... AES decryption key

       -decryption_iv
              <binary>     .D....... AES decryption initialization vector

   ffrtmphttp AVOptions:
       -ffrtmphttp_tls
              <boolean>    .D....... Use a HTTPS tunneling connection (RTMPTS). (default false)

   file AVOptions:
       -follow
              <int>         .D....... Follow a file as it is being written (from 0 to 1) (default
              0)

       -seekable
              <int>        ED....... Sets if the file is seekable (from -1 to 0) (default -1)

   ftp AVOptions:
       -timeout
              <int>        ED....... set timeout of socket I/O operations (from  -1  to  INT_MAX)
              (default -1)

       -ftp-anonymous-password <string>
              ED....... password for anonymous login. E-mail address should be used.

   http AVOptions:
       -seekable
              <boolean>    .D....... control seekability of connection (default auto)

       -http_proxy
              <string>     ED....... set HTTP proxy to tunnel through

       -headers
              <string>      ED.......  set  custom  HTTP  headers,  can override built in default
              headers

       -content_type
              <string>     ED....... set a specific content type for the POST messages

       -user_agent
              <string>     .D....... override User-Agent header (default "Lavf/58.29.100")

       -referer
              <string>     .D....... override referer header

       -user-agent
              <string>       .D.......   use   the   "user_agent"   option    instead    (default
              "Lavf/58.29.100")

       -multiple_requests <boolean>
              ED....... use persistent connections (default false)

       -post_data
              <binary>     ED....... set custom HTTP post data

       -cookies
              <string>      .D.......  set  cookies to be sent in applicable future requests, use
              newline delimited Set-Cookie HTTP field value syntax

       -icy   <boolean>    .D....... request ICY metadata (default true)

       -auth_type
              <int>        ED....... HTTP authentication type (from 0 to 1) (default none)

       none   ED....... No auth method set, autodetect

       basic  ED....... HTTP basic authentication

       -location
              <string>     ED....... The actual location of the data received

       -offset
              <int64>      .D....... initial byte offset (from 0 to I64_MAX) (default 0)

       -end_offset
              <int64>      .D....... try to limit the request  to  bytes  preceding  this  offset
              (from 0 to I64_MAX) (default 0)

       -method
              <string>      ED.......  Override  the  HTTP method or set the expected HTTP method
              from a client

       -reconnect
              <boolean>    .D....... auto reconnect after disconnect before EOF (default false)

       -reconnect_at_eof
              <boolean>    .D....... auto reconnect at EOF (default false)

       -reconnect_streamed <boolean>
              .D....... auto reconnect streamed / non seekable streams (default false)

       -reconnect_delay_max <int>
              .D....... max reconnect delay in seconds after which to give up (from  0  to  4294)
              (default 120)

       -listen
              <int>        ED....... listen on HTTP (from 0 to 2) (default 0)

       icecast AVOptions:

       pipe AVOptions:

       prompeg AVOptions:

   rtmp AVOptions:
       -rtmp_app
              <string>     ED....... Name of application to connect to on the RTMP server

       -rtmp_buffer
              <int>         ED....... Set buffer time in milliseconds. The default is 3000. (from
              0 to INT_MAX) (default 3000)

       -rtmp_conn
              <string>     ED....... Append arbitrary AMF data to the Connect message

       -rtmp_flashver
              <string>     ED....... Version of the Flash plugin used to run the SWF player.

       -rtmp_live
              <int>        .D....... Specify that the media is a live stream.  (from  INT_MIN  to
              INT_MAX) (default any)

       any    .D....... both

       live   .D....... live stream

       recorded
              .D....... recorded stream

       -rtmp_pageurl
              <string>      .D.......  URL  of  the  web page in which the media was embedded. By
              default no value will be sent.

       -rtmp_playpath
              <string>     ED....... Stream identifier to play or to publish

       -rtmp_subscribe
              <string>      .D.......  Name  of  live  stream  to  subscribe  to.   Defaults   to
              rtmp_playpath.

       -rtmp_swfhash
              <binary>     .D....... SHA256 hash of the decompressed SWF file (32 bytes).

       -rtmp_swfsize
              <int>          .D.......   Size   of   the  decompressed  SWF  file,  required  for
              SWFVerification. (from 0 to INT_MAX) (default 0)

       -rtmp_swfurl
              <string>     ED....... URL of the SWF player. By default no value will be sent

       -rtmp_swfverify
              <string>     .D....... URL to player swf file, compute hash/size automatically.

       -rtmp_tcurl
              <string>       ED.......    URL    of    the    target    stream.    Defaults    to
              proto://host[:port]/app.

       -rtmp_listen
              <int>         .D.......  Listen  for  incoming  rtmp  connections  (from INT_MIN to
              INT_MAX) (default 0)

       -listen
              <int>        .D....... Listen  for  incoming  rtmp  connections  (from  INT_MIN  to
              INT_MAX) (default 0)

       -timeout
              <int>          .D.......   Maximum  timeout  (in  seconds)  to  wait  for  incoming
              connections. -1 is infinite. Implies  -rtmp_listen  1  (from  INT_MIN  to  INT_MAX)
              (default -1)

   rtmpt AVOptions:
       -rtmp_app
              <string>     ED....... Name of application to connect to on the RTMP server

       -rtmp_buffer
              <int>         ED....... Set buffer time in milliseconds. The default is 3000. (from
              0 to INT_MAX) (default 3000)

       -rtmp_conn
              <string>     ED....... Append arbitrary AMF data to the Connect message

       -rtmp_flashver
              <string>     ED....... Version of the Flash plugin used to run the SWF player.

       -rtmp_live
              <int>        .D....... Specify that the media is a live stream.  (from  INT_MIN  to
              INT_MAX) (default any)

       any    .D....... both

       live   .D....... live stream

       recorded
              .D....... recorded stream

       -rtmp_pageurl
              <string>      .D.......  URL  of  the  web page in which the media was embedded. By
              default no value will be sent.

       -rtmp_playpath
              <string>     ED....... Stream identifier to play or to publish

       -rtmp_subscribe
              <string>      .D.......  Name  of  live  stream  to  subscribe  to.   Defaults   to
              rtmp_playpath.

       -rtmp_swfhash
              <binary>     .D....... SHA256 hash of the decompressed SWF file (32 bytes).

       -rtmp_swfsize
              <int>          .D.......   Size   of   the  decompressed  SWF  file,  required  for
              SWFVerification. (from 0 to INT_MAX) (default 0)

       -rtmp_swfurl
              <string>     ED....... URL of the SWF player. By default no value will be sent

       -rtmp_swfverify
              <string>     .D....... URL to player swf file, compute hash/size automatically.

       -rtmp_tcurl
              <string>       ED.......    URL    of    the    target    stream.    Defaults    to
              proto://host[:port]/app.

       -rtmp_listen
              <int>         .D.......  Listen  for  incoming  rtmp  connections  (from INT_MIN to
              INT_MAX) (default 0)

       -listen
              <int>        .D....... Listen  for  incoming  rtmp  connections  (from  INT_MIN  to
              INT_MAX) (default 0)

       -timeout
              <int>          .D.......   Maximum  timeout  (in  seconds)  to  wait  for  incoming
              connections. -1 is infinite. Implies  -rtmp_listen  1  (from  INT_MIN  to  INT_MAX)
              (default -1)

   rtp AVOptions:
       -ttl   <int>         ED.......  Time to live (in milliseconds, multicast only) (from -1 to
              INT_MAX) (default -1)

       -buffer_size
              <int>        ED....... Send/Receive buffer size (in bytes)  (from  -1  to  INT_MAX)
              (default -1)

       -rtcp_port
              <int>        ED....... Custom rtcp port (from -1 to INT_MAX) (default -1)

       -local_rtpport
              <int>        ED....... Local rtp port (from -1 to INT_MAX) (default -1)

       -local_rtcpport
              <int>        ED....... Local rtcp port (from -1 to INT_MAX) (default -1)

       -connect
              <boolean>    ED....... Connect socket (default false)

       -write_to_source
              <boolean>     ED.......  Send  packets to the source address of the latest received
              packet (default false)

       -pkt_size
              <int>        ED....... Maximum packet size (from -1 to INT_MAX) (default -1)

       -dscp  <int>        ED....... DSCP class (from -1 to INT_MAX) (default -1)

       -sources
              <string>     ED....... Source list

       -block <string>     ED....... Block list

   srtp AVOptions:
       -srtp_in_suite
              <string>     .D.......

       -srtp_in_params
              <string>     .D.......

   subfile AVOptions:
       -start <int64>      .D....... start offset (from 0 to I64_MAX) (default 0)

       -end   <int64>      .D....... end offset (from 0 to I64_MAX) (default 0)

       tee AVOptions:

   tcp AVOptions:
       -listen
              <int>        ED....... Listen for incoming connections (from 0 to 2) (default 0)

       -timeout
              <int>        ED....... set timeout (in microseconds) of socket I/O operations (from
              -1 to INT_MAX) (default -1)

       -listen_timeout
              <int>         ED.......  Connection  awaiting timeout (in milliseconds) (from -1 to
              INT_MAX) (default -1)

       -send_buffer_size
              <int>        ED....... Socket send buffer size (in  bytes)  (from  -1  to  INT_MAX)
              (default -1)

       -recv_buffer_size
              <int>         ED.......  Socket receive buffer size (in bytes) (from -1 to INT_MAX)
              (default -1)

       -tcp_nodelay
              <boolean>    ED....... Use TCP_NODELAY to disable nagle's algorithm (default false)

       -tcp_mss
              <int>        ED....... Maximum segment size for outgoing TCP packets  (from  -1  to
              INT_MAX) (default -1)

   udp AVOptions:
       -buffer_size
              <int>         ED.......  System  data size (in bytes) (from -1 to INT_MAX) (default
              -1)

       -localport
              <int>        ED....... Local port (from -1 to INT_MAX) (default -1)

       -local_port
              <int>        ED....... Local port (from -1 to INT_MAX) (default -1)

       -localaddr
              <string>     ED....... Local address

       -udplite_coverage
              <int>        ED....... choose UDPLite  head  size  which  should  be  validated  by
              checksum (from 0 to INT_MAX) (default 0)

       -pkt_size
              <int>        ED....... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)

       -reuse <boolean>    ED....... explicitly allow reusing UDP sockets (default auto)

       -reuse_socket
              <boolean>    ED....... explicitly allow reusing UDP sockets (default auto)

       -connect
              <boolean>    ED....... set if connect() should be called on socket (default false)

       -fifo_size
              <int>         .D.......  set the UDP receiving circular buffer size, expressed as a
              number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)

       -overrun_nonfatal
              <boolean>    .D....... survive in case of UDP  receiving  circular  buffer  overrun
              (default false)

       -timeout
              <int>         .D.......  set  raise  error  timeout  (only in read mode) (from 0 to
              INT_MAX) (default 0)

       -sources
              <string>     ED....... Source list

       -block <string>     ED....... Block list

   udplite AVOptions:
       -buffer_size
              <int>        ED....... System data size (in bytes) (from -1  to  INT_MAX)  (default
              -1)

       -localport
              <int>        ED....... Local port (from -1 to INT_MAX) (default -1)

       -local_port
              <int>        ED....... Local port (from -1 to INT_MAX) (default -1)

       -localaddr
              <string>     ED....... Local address

       -udplite_coverage
              <int>         ED.......  choose  UDPLite  head  size  which  should be validated by
              checksum (from 0 to INT_MAX) (default 0)

       -pkt_size
              <int>        ED....... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)

       -reuse <boolean>    ED....... explicitly allow reusing UDP sockets (default auto)

       -reuse_socket
              <boolean>    ED....... explicitly allow reusing UDP sockets (default auto)

       -connect
              <boolean>    ED....... set if connect() should be called on socket (default false)

       -fifo_size
              <int>        .D....... set the UDP receiving circular buffer size, expressed  as  a
              number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)

       -overrun_nonfatal
              <boolean>     .D.......  survive  in  case of UDP receiving circular buffer overrun
              (default false)

       -timeout
              <int>        .D....... set raise error timeout (only  in  read  mode)  (from  0  to
              INT_MAX) (default 0)

       -sources
              <string>     ED....... Source list

       -block <string>     ED....... Block list

   unix AVOptions:
       -listen
              <boolean>    ED....... Open socket for listening (default false)

       -timeout
              <int>        ED....... Timeout in ms (from -1 to INT_MAX) (default -1)

       -type  <int>        ED....... Socket type (from INT_MIN to INT_MAX) (default stream)

       stream ED....... Stream (reliable stream-oriented)

       datagram
              ED....... Datagram (unreliable packet-oriented)

       seqpacket
              ED....... Seqpacket (reliable packet-oriented

   aa AVOptions:
       -aa_fixed_key
              <binary>     .D....... Fixed key used for handling Audible AA files

   ac3 demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   acm demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   Artworx Data Format demuxer AVOptions:
       -linespeed
              <int>         .D.......  set  simulated  line  speed  (bytes per second) (from 1 to
              INT_MAX) (default 6000)

       -video_size
              <image_size> .D....... set video size, such as 640x480 or hd720.

       -framerate
              <video_rate> .D....... set framerate (frames per second) (default "25")

   APNG demuxer AVOptions:
       -ignore_loop
              <boolean>    .D....... ignore loop setting (default true)

       -max_fps
              <int>        .D....... maximum framerate (0  is  no  limit)  (from  0  to  INT_MAX)
              (default 0)

       -default_fps
              <int>         .D.......  default  framerate  (0  is as fast as possible) (from 0 to
              INT_MAX) (default 15)

   aptx demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 48000)

   aptx hd demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 48000)

   aqtdec AVOptions:
       -subfps
              <rational>   .D...S... set the movie frame rate (from 0 to INT_MAX) (default 25/1)

   asf demuxer AVOptions:
       -no_resync_search
              <boolean>    .D....... Don't try to resynchronize by looking for a certain optional
              start code (default false)

       -export_xmp
              <boolean>    .D....... Export full XMP metadata (default false)

   avi AVOptions:
       -use_odml
              <boolean>    .D....... use odml index (default true)

   avs2 demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   Binary text demuxer AVOptions:
       -linespeed
              <int>         .D.......  set  simulated  line  speed  (bytes per second) (from 1 to
              INT_MAX) (default 6000)

       -video_size
              <image_size> .D....... set video size, such as 640x480 or hd720.

       -framerate
              <video_rate> .D....... set framerate (frames per second) (default "25")

   cavsvideo demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   CDXL demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 1 to INT_MAX) (default 11025)

       -framerate
              <string>     .D.......

   codec2 demuxer AVOptions:
       -frames_per_packet <int>
              .D....... Number of frames to read at a  time.  Higher  =  faster  decoding,  lower
              granularity (from 1 to INT_MAX) (default 1)

   codec2raw demuxer AVOptions:
       -mode  <int>        .D....... codec2 mode [mandatory] (from -1 to 8) (default -1)

       3200   .D....... 3200

       2400   .D....... 2400

       1600   .D....... 1600

       1400   .D....... 1400

       1300   .D....... 1300

       1200   .D....... 1200

       700    .D....... 700

       700B   .D....... 700B

       700C   .D....... 700C

       -frames_per_packet <int>
              .D.......  Number  of  frames  to  read  at a time. Higher = faster decoding, lower
              granularity (from 1 to INT_MAX) (default 1)

   concat demuxer AVOptions:
       -safe  <boolean>    .D....... enable safe mode (default true)

       -auto_convert
              <boolean>    .D....... automatically convert bitstream format (default true)

       -segment_time_metadata <boolean>
              .D....... output file segment start time and duration as packet  metadata  (default
              false)

   dash AVOptions:
       -allowed_extensions <string>
              .D.......  List  of  file  extensions  that  dash  is  allowed  to  access (default
              "aac,m4a,m4s,m4v,mov,mp4,webm")

   raw_data demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   dirac demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   dnxhd demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   dts demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   dvbsub demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   dvbtxt demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   eac3 demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   FITS demuxer AVOptions:
       -framerate
              <video_rate> .D....... set the framerate (default "1")

   flac demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   flvdec AVOptions:
       -flv_metadata
              <boolean>    .D.V..... Allocate streams according to the onMetaData array  (default
              false)

       -flv_full_metadata <boolean>
              .D.V..... Dump full metadata of the onMetadata (default false)

       -flv_ignore_prevtag <boolean>
              .D.V..... Ignore the Size of previous tag (default false)

       -missing_streams
              <int>        .D.V..XR.  (from 0 to 255) (default 0)

   live_flvdec AVOptions:
       -flv_metadata
              <boolean>     .D.V..... Allocate streams according to the onMetaData array (default
              false)

       -flv_full_metadata <boolean>
              .D.V..... Dump full metadata of the onMetadata (default false)

       -flv_ignore_prevtag <boolean>
              .D.V..... Ignore the Size of previous tag (default false)

       -missing_streams
              <int>        .D.V..XR.  (from 0 to 255) (default 0)

   g722 demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   G.726 big-endian demuxer AVOptions:
       -code_size
              <int>        .D....... Bits per G.726 code (from 2 to 5) (default 4)

       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 8000)

   G.726 little-endian demuxer AVOptions:
       -code_size
              <int>        .D....... Bits per G.726 code (from 2 to 5) (default 4)

       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 8000)

   g729 demuxer AVOptions:
       -bit_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 8000)

   GIF demuxer AVOptions:
       -min_delay
              <int>        .D....... minimum valid delay between frames (in hundredths of second)
              (from 0 to 6000) (default 2)

       -max_gif_delay
              <int>         .D.......  maximum  valid  delay  between  frames  (in  hundredths of
              seconds) (from 0 to 65535) (default 65535)

       -default_delay
              <int>        .D....... default delay between frames (in hundredths of second) (from
              0 to 6000) (default 10)

       -ignore_loop
              <boolean>    .D....... ignore loop setting (netscape extension) (default true)

   gsm demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 1 to 6.50753e+07) (default 8000)

   h261 demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   h263 demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   h264 demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   hevc demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   hls demuxer AVOptions:
       -live_start_index
              <int>         .D....... segment index to start live streams at (negative values are
              from the end) (from INT_MIN to INT_MAX) (default -3)

       -allowed_extensions <string>
              .D.......  List  of  file  extensions  that  hls  is  allowed  to  access  (default
              "3gp,aac,avi,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,wav")

       -max_reload
              <int>        .D....... Maximum number of times a insufficient list is attempted  to
              be reloaded (from 0 to INT_MAX) (default 1000)

       -http_persistent
              <boolean>    .D....... Use persistent HTTP connections (default true)

       -http_multiple
              <boolean>    .D....... Use multiple HTTP connections for fetching segments (default
              auto)

   iCE Draw File demuxer AVOptions:
       -linespeed
              <int>        .D....... set simulated line speed  (bytes  per  second)  (from  1  to
              INT_MAX) (default 6000)

       -video_size
              <image_size> .D....... set video size, such as 640x480 or hd720.

       -framerate
              <video_rate> .D....... set framerate (frames per second) (default "25")

   image2 demuxer AVOptions:
       -pattern_type
              <int>        .D....... set pattern type (from 0 to INT_MAX) (default 4)

       glob_sequence
              .D....... select glob/sequence pattern type

       glob   .D....... select glob pattern type

       sequence
              .D....... select sequence pattern type

       none   .D....... disable pattern matching

       -start_number
              <int>         .D.......  set first number in the sequence (from INT_MIN to INT_MAX)
              (default 0)

       -start_number_range <int>
              .D....... set range for looking at the first sequence number (from  1  to  INT_MAX)
              (default 5)

       -ts_from_file
              <int>         .D.......  set frame timestamp from file's one (from 0 to 2) (default
              none)

       none   .D....... none

       sec    .D....... second precision

       ns     .D....... nano second precision

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   image2pipe demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   alias_pix demuxer AVOptions:
       -pattern_type
              <int>        .D....... set pattern type (from 0 to INT_MAX) (default 4)

       glob_sequence
              .D....... select glob/sequence pattern type

       glob   .D....... select glob pattern type

       sequence
              .D....... select sequence pattern type

       none   .D....... disable pattern matching

       -start_number
              <int>        .D....... set first number in the sequence (from INT_MIN  to  INT_MAX)
              (default 0)

       -start_number_range <int>
              .D.......  set  range  for looking at the first sequence number (from 1 to INT_MAX)
              (default 5)

       -ts_from_file
              <int>        .D....... set frame timestamp from file's one (from 0 to  2)  (default
              none)

       none   .D....... none

       sec    .D....... second precision

       ns     .D....... nano second precision

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   brender_pix demuxer AVOptions:
       -pattern_type
              <int>        .D....... set pattern type (from 0 to INT_MAX) (default 4)

       glob_sequence
              .D....... select glob/sequence pattern type

       glob   .D....... select glob pattern type

       sequence
              .D....... select sequence pattern type

       none   .D....... disable pattern matching

       -start_number
              <int>         .D.......  set first number in the sequence (from INT_MIN to INT_MAX)
              (default 0)

       -start_number_range <int>
              .D....... set range for looking at the first sequence number (from  1  to  INT_MAX)
              (default 5)

       -ts_from_file
              <int>         .D.......  set frame timestamp from file's one (from 0 to 2) (default
              none)

       none   .D....... none

       sec    .D....... second precision

       ns     .D....... nano second precision

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   ingenient demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   kuxdec AVOptions:
       -flv_metadata
              <boolean>    .D.V..... Allocate streams according to the onMetaData array  (default
              false)

       -flv_full_metadata <boolean>
              .D.V..... Dump full metadata of the onMetadata (default false)

       -flv_ignore_prevtag <boolean>
              .D.V..... Ignore the Size of previous tag (default false)

       -missing_streams
              <int>        .D.V..XR.  (from 0 to 255) (default 0)

   loas demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   m4v demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   microdvddec AVOptions:
       -subfps
              <rational>    .D...S...  set  the  movie  frame  rate  fallback (from 0 to INT_MAX)
              (default 0/1)

   mjpeg demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   mjpeg_2000 demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   mlp demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   mov,mp4,m4a,3gp,3g2,mj2 AVOptions:
       -use_absolute_path <boolean>
              .D.V..... allow using absolute path when opening alias, this is a possible security
              issue (default false)

       -seek_streams_individually <boolean>
              .D.V..... Seek each stream individually to the to the closest point (default true)

       -ignore_editlist
              <boolean>    .D.V..... Ignore the edit list atom. (default false)

       -advanced_editlist <boolean>
              .D.V.....  Modify the AVIndex according to the editlists. Use this option to decode
              in the order specified by the edits. (default true)

       -ignore_chapters
              <boolean>    .D.V.....  (default false)

       -use_mfra_for
              <int>        .D.V..... use mfra for fragment timestamps (from  -1  to  2)  (default
              auto)

       auto   .D.V..... auto

       dts    .D.V..... dts

       pts    .D.V..... pts

       -export_all
              <boolean>    .D.V..... Export unrecognized metadata entries (default false)

       -export_xmp
              <boolean>    .D.V..... Export full XMP metadata (default false)

       -activation_bytes
              <binary>     .D....... Secret bytes for Audible AAX files

       -audible_fixed_key <binary>
              .D....... Fixed key used for handling Audible AAX files

       -decryption_key
              <binary>     .D....... The media decryption key (hex)

       -enable_drefs
              <boolean>    .D.V..... Enable external track support. (default false)

   mp3 AVOptions:
       -usetoc
              <boolean>    .D....... use table of contents (default false)

   mpegts demuxer AVOptions:
       -resync_size
              <int>         .D....... set size limit for looking up a new synchronization (from 0
              to INT_MAX) (default 65536)

       -fix_teletext_pts
              <boolean>    .D....... try to fix pts values of dvb teletext streams (default true)

       -ts_packetsize
              <int>        .D....XR. output option carrying the raw packet size  (from  0  to  0)
              (default 0)

       -scan_all_pmts
              <boolean>    .D....... scan and combine all PMTs (default auto)

       -skip_unknown_pmt
              <boolean>     .D.......  skip  PMTs for programs not advertised in the PAT (default
              false)

       -merge_pmt_versions <boolean>
              .D....... re-use streams when PMT's version/pids change (default false)

   mpegtsraw demuxer AVOptions:
       -compute_pcr
              <int>        .D....... Compute exact PCR for each transport stream packet. (from  0
              to 1) (default 0)

   mpegvideo demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   MPJPEG demuxer AVOptions:
       -strict_mime_boundary <boolean>
              .D....... require MIME boundaries match (default false)

   mxf AVOptions:
       -eia608_extract
              <boolean>    .D....... extract eia 608 captions from s436m track (default false)

   alaw demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   mulaw demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   vidc demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   f64be demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   f64le demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   f32be demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   f32le demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   s32be demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   s32le demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   s24be demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   s24le demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   s16be demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   s16le demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   s8 demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   u32be demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   u32le demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   u24be demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   u24le demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   u16be demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   u16le demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   u8 demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 44100)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   rawvideo demuxer AVOptions:
       -video_size
              <image_size> .D....... set frame size

       -pixel_format
              <string>     .D....... set pixel format (default "yuv420p")

       -framerate
              <video_rate> .D....... set frame rate (default "25")

   RTP demuxer AVOptions:
       -rtp_flags
              <flags>      .D....... set RTP flags (default 0)

       filter_src
              .D....... only receive packets from the negotiated peer IP

       -reorder_queue_size <int>
              .D.......  set  number of packets to buffer for handling of reordered packets (from
              -1 to INT_MAX) (default -1)

       -buffer_size
              <int>        ED....... Underlying protocol send/receive buffer  size  (from  -1  to
              INT_MAX) (default -1)

   RTSP demuxer AVOptions:
       -initial_pause
              <boolean>    .D....... do not start playing the stream immediately (default false)

       -rtsp_transport
              <flags>      ED....... set RTSP transport protocols (default 0)

       udp    ED....... UDP

       tcp    ED....... TCP

       udp_multicast
              .D....... UDP multicast

       http   .D....... HTTP tunneling

       https  .D....... HTTPS tunneling

       -rtsp_flags
              <flags>      .D....... set RTSP flags (default 0)

       filter_src
              .D....... only receive packets from the negotiated peer IP

       listen .D....... wait for incoming connections

       prefer_tcp
              ED....... try RTP via TCP first, if available

       -allowed_media_types <flags>
              .D.......    set    media    types    to    accept   from   the   server   (default
              video+audio+data+subtitle)

       video  .D....... Video

       audio  .D....... Audio

       data   .D....... Data

       subtitle
              .D....... Subtitle

       -min_port
              <int>        ED....... set minimum local UDP port (from 0 to 65535) (default 5000)

       -max_port
              <int>        ED....... set maximum local UDP port (from 0 to 65535) (default 65000)

       -listen_timeout
              <int>        .D....... set maximum  timeout  (in  seconds)  to  wait  for  incoming
              connections  (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default
              -1)

       -timeout
              <int>        .D....... set maximum  timeout  (in  seconds)  to  wait  for  incoming
              connections  (-1  is  infinite, imply flag listen) (deprecated, use listen_timeout)
              (from INT_MIN to INT_MAX) (default -1)

       -stimeout
              <int>        .D....... set timeout (in microseconds) of socket TCP  I/O  operations
              (from INT_MIN to INT_MAX) (default 0)

       -reorder_queue_size <int>
              .D.......  set  number of packets to buffer for handling of reordered packets (from
              -1 to INT_MAX) (default -1)

       -buffer_size
              <int>        ED....... Underlying protocol send/receive buffer  size  (from  -1  to
              INT_MAX) (default -1)

       -user_agent
              <string>     .D....... override User-Agent header (default "Lavf58.29.100")

       -user-agent
              <string>      .D.......  override  User-Agent  header  (deprecated, use user_agent)
              (default "Lavf58.29.100")

   sbc demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   sbg_demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 0)

       -frame_size
              <int>        .D.......  (from 0 to INT_MAX) (default 0)

       -max_file_size
              <int>        .D.......  (from 0 to INT_MAX) (default 5e+06)

   SDP demuxer AVOptions:
       -sdp_flags
              <flags>      .D....... SDP flags (default 0)

       filter_src
              .D....... only receive packets from the negotiated peer IP

       custom_io
              .D....... use custom I/O

       rtcp_to_source
              .D....... send RTCP packets to the source address of received packets

       -allowed_media_types <flags>
              .D.......   set   media   types   to    accept    from    the    server    (default
              video+audio+data+subtitle)

       video  .D....... Video

       audio  .D....... Audio

       data   .D....... Data

       subtitle
              .D....... Subtitle

       -reorder_queue_size <int>
              .D.......  set  number of packets to buffer for handling of reordered packets (from
              -1 to INT_MAX) (default -1)

       -buffer_size
              <int>        ED....... Underlying protocol send/receive buffer  size  (from  -1  to
              INT_MAX) (default -1)

   ser demuxer AVOptions:
       -framerate
              <video_rate> .D....... set frame rate (default "25")

   shorten demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   sln demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 0 to INT_MAX) (default 8000)

       -channels
              <int>        .D.......  (from 0 to INT_MAX) (default 1)

   tak demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   tedcaptions_demuxer AVOptions:
       -start_time
              <int64>       .D...S...  set  the start time (offset) of the subtitles, in ms (from
              I64_MIN to I64_MAX) (default 15000)

   truehd demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   TTY demuxer AVOptions:
       -chars_per_frame
              <int>        .D.......  (from 1 to INT_MAX) (default 6000)

       -video_size
              <image_size> .D....... A string describing frame size, such as 640x480 or hd720.

       -framerate
              <video_rate> .D.......  (default "25")

   v210 demuxer AVOptions:
       -video_size
              <image_size> .D....... set frame size

       -framerate
              <video_rate> .D....... set frame rate (default "25")

   v210x demuxer AVOptions:
       -video_size
              <image_size> .D....... set frame size

       -framerate
              <video_rate> .D....... set frame rate (default "25")

   vc1 demuxer AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   vobsub AVOptions:
       -sub_name
              <string>     .D....... URI for .sub file

   WAV demuxer AVOptions:
       -ignore_length
              <boolean>    .D....... Ignore length (default false)

   WebM DASH Manifest demuxer AVOptions:
       -live  <boolean>    .D....... flag indicating that the input is a live file that only  has
              the headers. (default false)

       -bandwidth
              <int>         .D.......  bandwidth  of  this  stream  to  be  specified in the DASH
              manifest. (from 0 to INT_MAX) (default 0)

   WebVTT demuxer AVOptions:
       -kind  <int>        .D...S... Set kind of  WebVTT  track  (from  0  to  INT_MAX)  (default
              subtitles)

       subtitles
              .D...S... WebVTT subtitles kind

       captions
              .D...S... WebVTT captions kind

       descriptions
              .D...S... WebVTT descriptions kind

       metadata
              .D...S... WebVTT metadata kind

   wsd demuxer AVOptions:
       -raw_packet_size
              <int>        .D.......  (from 1 to INT_MAX) (default 1024)

   eXtended BINary text (XBIN) demuxer AVOptions:
       -linespeed
              <int>         .D.......  set  simulated  line  speed  (bytes per second) (from 1 to
              INT_MAX) (default 6000)

       -video_size
              <image_size> .D....... set video size, such as 640x480 or hd720.

       -framerate
              <video_rate> .D....... set framerate (frames per second) (default "25")

   bmp demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   dds demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   dpx demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   exr demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   gif demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   j2k demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   jpeg demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   jpegls demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   pam demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   pbm demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   pcx demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   pgmyuv demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   pgm demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   pictor demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   png demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   ppm demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   psd demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   qdraw demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   sgi demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   svg demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   sunrast demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   tiff demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   webp demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   xpm demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   xwd demuxer AVOptions:
       -frame_size
              <int>        .D....... force frame size in bytes (from 0 to INT_MAX) (default 0)

       -framerate
              <video_rate> .D....... set the video framerate (default "25")

       -pixel_format
              <string>     .D....... set video pixel format

       -video_size
              <image_size> .D....... set video size

       -loop  <boolean>    .D....... force loop over input file sequence (default false)

   ALSA demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 1 to INT_MAX) (default 48000)

       -channels
              <int>        .D.......  (from 1 to INT_MAX) (default 2)

   fbdev indev AVOptions:
       -framerate
              <video_rate> .D.......  (default "25")

   lavfi indev AVOptions:
       -graph <string>     .D....... set libavfilter graph

       -graph_file
              <string>     .D....... set libavfilter graph filename

       -dumpgraph
              <string>     .D....... dump graph to stderr

   OSS demuxer AVOptions:
       -sample_rate
              <int>        .D.......  (from 1 to INT_MAX) (default 48000)

       -channels
              <int>        .D.......  (from 1 to INT_MAX) (default 2)

   sndio indev AVOptions:
       -sample_rate
              <int>        .D.......  (from 1 to INT_MAX) (default 48000)

       -channels
              <int>        .D.......  (from 1 to INT_MAX) (default 2)

   V4L2 indev AVOptions:
       -standard
              <string>     .D....... set TV standard, used only by analog frame grabber

       -channel
              <int>        .D....... set TV channel, used only  by  frame  grabber  (from  -1  to
              INT_MAX) (default -1)

       -video_size
              <image_size> .D....... set frame size

       -pixel_format
              <string>     .D....... set preferred pixel format

       -input_format
              <string>     .D....... set preferred pixel format (for raw video) or codec name

       -framerate
              <string>     .D....... set frame rate

       -list_formats
              <int>        .D....... list available formats and exit (from 0 to INT_MAX) (default
              0)

       all    .D....... show all available formats

       raw    .D....... show only non-compressed formats

       compressed
              .D....... show only compressed formats

       -list_standards
              <int>        .D....... list supported standards and exit (from 0 to 1) (default 0)

       all    .D....... show all supported standards

       -timestamps
              <int>        .D....... set type of timestamps for grabbed  frames  (from  0  to  2)
              (default default)

       default
              .D....... use timestamps from the kernel

       abs    .D....... use absolute timestamps (wall clock)

       mono2abs
              .D....... force conversion from monotonic to absolute timestamps

       -ts    <int>         .D.......  set  type  of  timestamps for grabbed frames (from 0 to 2)
              (default default)

       default
              .D....... use timestamps from the kernel

       abs    .D....... use absolute timestamps (wall clock)

       mono2abs
              .D....... force conversion from monotonic to absolute timestamps

       -use_libv4l2
              <boolean>    .D....... use libv4l2 (v4l-utils) conversion functions (default false)

   xcbgrab indev AVOptions:
       -x     <int>        .D....... Initial x coordinate. (from 0 to INT_MAX) (default 0)

       -y     <int>        .D....... Initial y coordinate. (from 0 to INT_MAX) (default 0)

       -grab_x
              <int>        .D....... Initial x coordinate. (from 0 to INT_MAX) (default 0)

       -grab_y
              <int>        .D....... Initial y coordinate. (from 0 to INT_MAX) (default 0)

       -video_size
              <string>     .D....... A string describing frame size, such as  640x480  or  hd720.
              (default "vga")

       -framerate
              <string>     .D.......  (default "ntsc")

       -draw_mouse
              <int>        .D....... Draw the mouse pointer. (from 0 to 1) (default 1)

       -follow_mouse
              <int>         .D.......  Move  the  grabbing  region when the mouse pointer reaches
              within specified amount of pixels to the edge  of  region.  (from  -1  to  INT_MAX)
              (default 0)

       centered
              .D....... Keep the mouse pointer at the center of grabbing region when following.

       -show_region
              <int>        .D....... Show the grabbing region. (from 0 to 1) (default 0)

       -region_border
              <int>        .D....... Set the region border thickness. (from 1 to 128) (default 3)

       ADTS muxer AVOptions:

       AIFF muxer AVOptions:

       APNG muxer AVOptions:

       ASF muxer AVOptions:

       ass muxer AVOptions:

       AST muxer AVOptions:

       ASF stream muxer AVOptions:

       AVI muxer AVOptions:

       dash muxer AVOptions:

       f4v muxer AVOptions:

       Fifo muxer AVOptions:

       Fifo test muxer AVOptions:

       flac muxer AVOptions:

       flv muxer AVOptions:

       frame hash muxer AVOptions:

       frame MD5 muxer AVOptions:

       GIF muxer AVOptions:

       hash muxer AVOptions:

       HDS muxer AVOptions:

       hls muxer AVOptions:

       image2 muxer AVOptions:

       ipod muxer AVOptions:

       ismv muxer AVOptions:

       LATM/LOAS muxer AVOptions:

       MD5 muxer AVOptions:

       matroska muxer AVOptions:

       matroska audio muxer AVOptions:

       mov muxer AVOptions:

       MP3 muxer AVOptions:

       mp4 muxer AVOptions:

       mpeg muxer AVOptions:

       vcd muxer AVOptions:

       dvd muxer AVOptions:

       svcd muxer AVOptions:

       vob muxer AVOptions:

       MPEGTS muxer AVOptions:

       mpjpeg_muxer AVOptions:

       MXF muxer AVOptions:

       MXF-D10 muxer AVOptions:

       MXF-OPAtom muxer AVOptions:

       nutenc AVOptions:

       Ogg audio muxer AVOptions:

       Ogg muxer AVOptions:

       Ogg video muxer AVOptions:

       Ogg Opus muxer AVOptions:

       psp muxer AVOptions:

       RTP muxer AVOptions:

   RTSP muxer AVOptions:
       -initial_pause
              <boolean>    .D....... do not start playing the stream immediately (default false)

       -rtsp_transport
              <flags>      ED....... set RTSP transport protocols (default 0)

       udp    ED....... UDP

       tcp    ED....... TCP

       udp_multicast
              .D....... UDP multicast

       http   .D....... HTTP tunneling

       https  .D....... HTTPS tunneling

       -rtsp_flags
              <flags>      .D....... set RTSP flags (default 0)

       filter_src
              .D....... only receive packets from the negotiated peer IP

       listen .D....... wait for incoming connections

       prefer_tcp
              ED....... try RTP via TCP first, if available

       -allowed_media_types <flags>
              .D.......    set    media    types    to    accept   from   the   server   (default
              video+audio+data+subtitle)

       video  .D....... Video

       audio  .D....... Audio

       data   .D....... Data

       subtitle
              .D....... Subtitle

       -min_port
              <int>        ED....... set minimum local UDP port (from 0 to 65535) (default 5000)

       -max_port
              <int>        ED....... set maximum local UDP port (from 0 to 65535) (default 65000)

       -listen_timeout
              <int>        .D....... set maximum  timeout  (in  seconds)  to  wait  for  incoming
              connections  (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default
              -1)

       -timeout
              <int>        .D....... set maximum  timeout  (in  seconds)  to  wait  for  incoming
              connections  (-1  is  infinite, imply flag listen) (deprecated, use listen_timeout)
              (from INT_MIN to INT_MAX) (default -1)

       -stimeout
              <int>        .D....... set timeout (in microseconds) of socket TCP  I/O  operations
              (from INT_MIN to INT_MAX) (default 0)

       -reorder_queue_size <int>
              .D.......  set  number of packets to buffer for handling of reordered packets (from
              -1 to INT_MAX) (default -1)

       -buffer_size
              <int>        ED....... Underlying protocol send/receive buffer  size  (from  -1  to
              INT_MAX) (default -1)

       -user_agent
              <string>     .D....... override User-Agent header (default "Lavf58.29.100")

       -user-agent
              <string>      .D.......  override  User-Agent  header  (deprecated, use user_agent)
              (default "Lavf58.29.100")

       segment muxer AVOptions:

       stream_segment muxer AVOptions:

       smooth streaming muxer AVOptions:

       Ogg Speex muxer AVOptions:

       spdif AVOptions:

       Tee muxer AVOptions:

       tg2 muxer AVOptions:

       tgp muxer AVOptions:

       WAV muxer AVOptions:

       webm muxer AVOptions:

       WebM DASH Manifest muxer AVOptions:

       WebM Chunk Muxer AVOptions:

       WebP muxer AVOptions:

       fbdev outdev AVOptions:

       sdl2 outdev AVOptions:

       xvideo outdev AVOptions:

   AVFilter AVOptions:
       thread_type
              <flags>      ..F...... Allowed thread types (default slice)

       slice  ..F......

       enable <string>     ..F...... set enable expression

       threads
              <int>        ..F...... Allowed number of threads (from 0 to INT_MAX) (default 0)

       extra_hw_frames
              <int>        ..F...... Number of extra hardware frames to  allocate  for  the  user
              (from -1 to INT_MAX) (default -1)

   abench AVOptions:
       action <int>        ..F.A.... set action (from 0 to 1) (default start)

       start  ..F.A.... start timer

       stop   ..F.A.... stop timer

   acompressor AVOptions:
       level_in
              <double>     ..F.A.... set input gain (from 0.015625 to 64) (default 1)

       mode   <int>        ..F.A.... set mode (from 0 to 1) (default downward)

       downward
              ..F.A....

       upward ..F.A....

       threshold
              <double>     ..F.A.... set threshold (from 0.000976563 to 1) (default 0.125)

       ratio  <double>     ..F.A.... set ratio (from 1 to 20) (default 2)

       attack <double>     ..F.A.... set attack (from 0.01 to 2000) (default 20)

       release
              <double>     ..F.A.... set release (from 0.01 to 9000) (default 250)

       makeup <double>     ..F.A.... set make up gain (from 1 to 64) (default 1)

       knee   <double>     ..F.A.... set knee (from 1 to 8) (default 2.82843)

       link   <int>        ..F.A.... set link type (from 0 to 1) (default average)

       average
              ..F.A....

       maximum
              ..F.A....

       detection
              <int>        ..F.A.... set detection (from 0 to 1) (default rms)

       peak   ..F.A....

       rms    ..F.A....

       level_sc
              <double>     ..F.A.... set sidechain gain (from 0.015625 to 64) (default 1)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

   acontrast AVOptions:
       contrast
              <float>      ..F.A.... set contrast (from 0 to 100) (default 33)

   acue AVOptions:
       cue    <int64>       ..FVA....  cue  unix  timestamp  in  microseconds (from 0 to I64_MAX)
              (default 0)

       preroll
              <duration>   ..FVA.... preroll duration in seconds (default 0)

       buffer <duration>   ..FVA.... buffer duration in seconds (default 0)

   acrossfade AVOptions:
       nb_samples
              <int>        ..F.A.... set number of samples for cross fade  duration  (from  1  to
              2.14748e+08) (default 44100)

       ns     <int>         ..F.A....  set  number  of samples for cross fade duration (from 1 to
              2.14748e+08) (default 44100)

       duration
              <duration>   ..F.A.... set cross fade duration (default 0)

       d      <duration>   ..F.A.... set cross fade duration (default 0)

       overlap
              <boolean>    ..F.A.... overlap 1st stream end with 2nd stream start (default true)

       o      <boolean>    ..F.A.... overlap 1st stream end with 2nd stream start (default true)

       curve1 <int>        ..F.A.... set fade curve type for 1st stream (from 0 to  17)  (default
              tri)

       tri    ..F.A.... linear slope

       qsin   ..F.A.... quarter of sine wave

       esin   ..F.A.... exponential sine wave

       hsin   ..F.A.... half of sine wave

       log    ..F.A.... logarithmic

       ipar   ..F.A.... inverted parabola

       qua    ..F.A.... quadratic

       cub    ..F.A.... cubic

       squ    ..F.A.... square root

       cbr    ..F.A.... cubic root

       par    ..F.A.... parabola

       exp    ..F.A.... exponential

       iqsin  ..F.A.... inverted quarter of sine wave

       ihsin  ..F.A.... inverted half of sine wave

       dese   ..F.A.... double-exponential seat

       desi   ..F.A.... double-exponential sigmoid

       losi   ..F.A.... logistic sigmoid

       nofade ..F.A.... no fade; keep audio as-is

       c1     <int>         ..F.A....  set fade curve type for 1st stream (from 0 to 17) (default
              tri)

       tri    ..F.A.... linear slope

       qsin   ..F.A.... quarter of sine wave

       esin   ..F.A.... exponential sine wave

       hsin   ..F.A.... half of sine wave

       log    ..F.A.... logarithmic

       ipar   ..F.A.... inverted parabola

       qua    ..F.A.... quadratic

       cub    ..F.A.... cubic

       squ    ..F.A.... square root

       cbr    ..F.A.... cubic root

       par    ..F.A.... parabola

       exp    ..F.A.... exponential

       iqsin  ..F.A.... inverted quarter of sine wave

       ihsin  ..F.A.... inverted half of sine wave

       dese   ..F.A.... double-exponential seat

       desi   ..F.A.... double-exponential sigmoid

       losi   ..F.A.... logistic sigmoid

       nofade ..F.A.... no fade; keep audio as-is

       curve2 <int>        ..F.A.... set fade curve type for 2nd stream (from 0 to  17)  (default
              tri)

       tri    ..F.A.... linear slope

       qsin   ..F.A.... quarter of sine wave

       esin   ..F.A.... exponential sine wave

       hsin   ..F.A.... half of sine wave

       log    ..F.A.... logarithmic

       ipar   ..F.A.... inverted parabola

       qua    ..F.A.... quadratic

       cub    ..F.A.... cubic

       squ    ..F.A.... square root

       cbr    ..F.A.... cubic root

       par    ..F.A.... parabola

       exp    ..F.A.... exponential

       iqsin  ..F.A.... inverted quarter of sine wave

       ihsin  ..F.A.... inverted half of sine wave

       dese   ..F.A.... double-exponential seat

       desi   ..F.A.... double-exponential sigmoid

       losi   ..F.A.... logistic sigmoid

       nofade ..F.A.... no fade; keep audio as-is

       c2     <int>         ..F.A....  set fade curve type for 2nd stream (from 0 to 17) (default
              tri)

       tri    ..F.A.... linear slope

       qsin   ..F.A.... quarter of sine wave

       esin   ..F.A.... exponential sine wave

       hsin   ..F.A.... half of sine wave

       log    ..F.A.... logarithmic

       ipar   ..F.A.... inverted parabola

       qua    ..F.A.... quadratic

       cub    ..F.A.... cubic

       squ    ..F.A.... square root

       cbr    ..F.A.... cubic root

       par    ..F.A.... parabola

       exp    ..F.A.... exponential

       iqsin  ..F.A.... inverted quarter of sine wave

       ihsin  ..F.A.... inverted half of sine wave

       dese   ..F.A.... double-exponential seat

       desi   ..F.A.... double-exponential sigmoid

       losi   ..F.A.... logistic sigmoid

       nofade ..F.A.... no fade; keep audio as-is

   acrossover AVOptions:
       split  <string>     ..F.A.... set split frequencies (default "500")

       order  <int>        ..F.A.... set order (from 0 to 2) (default 4th)

       2nd    ..F.A.... 2nd order

       4th    ..F.A.... 4th order

       8th    ..F.A.... 8th order

   acrusher AVOptions:
       level_in
              <double>     ..F.A.... set level in (from 0.015625 to 64) (default 1)

       level_out
              <double>     ..F.A.... set level out (from 0.015625 to 64) (default 1)

       bits   <double>     ..F.A.... set bit reduction (from 1 to 64) (default 8)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 0.5)

       mode   <int>        ..F.A.... set mode (from 0 to 1) (default lin)

       lin    ..F.A.... linear

       log    ..F.A.... logarithmic

       dc     <double>     ..F.A.... set DC (from 0.25 to 4) (default 1)

       aa     <double>     ..F.A.... set anti-aliasing (from 0 to 1) (default 0.5)

       samples
              <double>     ..F.A.... set sample reduction (from 1 to 250) (default 1)

       lfo    <boolean>    ..F.A.... enable LFO (default false)

       lforange
              <double>     ..F.A.... set LFO depth (from 1 to 250) (default 20)

       lforate
              <double>     ..F.A.... set LFO rate (from 0.01 to 200) (default 0.3)

   adeclick AVOptions:
       w      <double>     ..F.A.... set window size (from 10 to 100) (default 55)

       o      <double>     ..F.A.... set window overlap (from 50 to 95) (default 75)

       a      <double>     ..F.A.... set autoregression order (from 0 to 25) (default 2)

       t      <double>     ..F.A.... set threshold (from 1 to 100) (default 2)

       b      <double>     ..F.A.... set burst fusion (from 0 to 10) (default 2)

       m      <int>        ..F.A.... set overlap method (from 0 to 1) (default a)

       a      ..F.A.... overlap-add

       s      ..F.A.... overlap-save

   adeclip AVOptions:
       w      <double>     ..F.A.... set window size (from 10 to 100) (default 55)

       o      <double>     ..F.A.... set window overlap (from 50 to 95) (default 75)

       a      <double>     ..F.A.... set autoregression order (from 0 to 25) (default 8)

       t      <double>     ..F.A.... set threshold (from 1 to 100) (default 10)

       n      <int>        ..F.A.... set histogram size (from 100 to 9999) (default 1000)

       m      <int>        ..F.A.... set overlap method (from 0 to 1) (default a)

       a      ..F.A.... overlap-add

       s      ..F.A.... overlap-save

   adelay AVOptions:
       delays <string>     ..F.A.... set list of delays for each channel

   aecho AVOptions:
       in_gain
              <float>      ..F.A.... set signal input gain (from 0 to 1) (default 0.6)

       out_gain
              <float>      ..F.A.... set signal output gain (from 0 to 1) (default 0.3)

       delays <string>     ..F.A.... set list of signal delays (default "1000")

       decays <string>     ..F.A.... set list of signal decays (default "0.5")

   aemphasis AVOptions:
       level_in
              <double>     ..F.A.... set input gain (from 0 to 64) (default 1)

       level_out
              <double>     ..F.A.... set output gain (from 0 to 64) (default 1)

       mode   <int>        ..F.A.... set filter mode (from 0 to 1) (default reproduction)

       reproduction
              ..F.A....

       production
              ..F.A....

       type   <int>        ..F.A.... set filter type (from 0 to 8) (default cd)

       col    ..F.A.... Columbia

       emi    ..F.A.... EMI

       bsi    ..F.A.... BSI (78RPM)

       riaa   ..F.A.... RIAA

       cd     ..F.A.... Compact Disc (CD)

       50fm   ..F.A.... 50??s (FM)

       75fm   ..F.A.... 75??s (FM)

       50kf   ..F.A.... 50??s (FM-KF)

       75kf   ..F.A.... 75??s (FM-KF)

   aeval AVOptions:
       exprs  <string>     ..F.A.... set the '|'-separated list of channels expressions

       channel_layout
              <string>     ..F.A.... set channel layout

       c      <string>     ..F.A.... set channel layout

   afade AVOptions:
       type   <int>        ..F.A.... set the fade direction (from 0 to 1) (default in)

       in     ..F.A.... fade-in

       out    ..F.A.... fade-out

       t      <int>        ..F.A.... set the fade direction (from 0 to 1) (default in)

       in     ..F.A.... fade-in

       out    ..F.A.... fade-out

       start_sample
              <int64>      ..F.A.... set number of first  sample  to  start  fading  (from  0  to
              I64_MAX) (default 0)

       ss     <int64>       ..F.A....  set  number  of  first  sample  to start fading (from 0 to
              I64_MAX) (default 0)

       nb_samples
              <int64>      ..F.A.... set number of samples for fade duration (from 1 to  I64_MAX)
              (default 44100)

       ns     <int64>       ..F.A.... set number of samples for fade duration (from 1 to I64_MAX)
              (default 44100)

       start_time
              <duration>   ..F.A.... set time to start fading (default 0)

       st     <duration>   ..F.A.... set time to start fading (default 0)

       duration
              <duration>   ..F.A.... set fade duration (default 0)

       d      <duration>   ..F.A.... set fade duration (default 0)

       curve  <int>        ..F.A.... set fade curve type (from 0 to 17) (default tri)

       tri    ..F.A.... linear slope

       qsin   ..F.A.... quarter of sine wave

       esin   ..F.A.... exponential sine wave

       hsin   ..F.A.... half of sine wave

       log    ..F.A.... logarithmic

       ipar   ..F.A.... inverted parabola

       qua    ..F.A.... quadratic

       cub    ..F.A.... cubic

       squ    ..F.A.... square root

       cbr    ..F.A.... cubic root

       par    ..F.A.... parabola

       exp    ..F.A.... exponential

       iqsin  ..F.A.... inverted quarter of sine wave

       ihsin  ..F.A.... inverted half of sine wave

       dese   ..F.A.... double-exponential seat

       desi   ..F.A.... double-exponential sigmoid

       losi   ..F.A.... logistic sigmoid

       nofade ..F.A.... no fade; keep audio as-is

       c      <int>        ..F.A.... set fade curve type (from 0 to 17) (default tri)

       tri    ..F.A.... linear slope

       qsin   ..F.A.... quarter of sine wave

       esin   ..F.A.... exponential sine wave

       hsin   ..F.A.... half of sine wave

       log    ..F.A.... logarithmic

       ipar   ..F.A.... inverted parabola

       qua    ..F.A.... quadratic

       cub    ..F.A.... cubic

       squ    ..F.A.... square root

       cbr    ..F.A.... cubic root

       par    ..F.A.... parabola

       exp    ..F.A.... exponential

       iqsin  ..F.A.... inverted quarter of sine wave

       ihsin  ..F.A.... inverted half of sine wave

       dese   ..F.A.... double-exponential seat

       desi   ..F.A.... double-exponential sigmoid

       losi   ..F.A.... logistic sigmoid

       nofade ..F.A.... no fade; keep audio as-is

   afftdn AVOptions:
       nr     <float>      ..F.A.... set the noise reduction (from 0.01 to 97) (default 12)

       nf     <float>      ..F.A.... set the noise floor (from -80 to -20) (default -50)

       nt     <int>        ..F.A.... set the noise type (from 0 to 3) (default w)

       w      ..F.A.... white noise

       v      ..F.A.... vinyl noise

       s      ..F.A.... shellac noise

       c      ..F.A.... custom noise

       bn     <string>     ..F.A.... set the custom bands noise

       rf     <float>      ..F.A.... set the residual floor (from -80 to -20) (default -38)

       tn     <boolean>    ..F.A.... track noise (default false)

       tr     <boolean>    ..F.A.... track residual (default false)

       om     <int>        ..F.A.... set output mode (from 0 to 2) (default o)

       i      ..F.A.... input

       o      ..F.A.... output

       n      ..F.A.... noise

   afftfilt AVOptions:
       real   <string>     ..F.A.... set channels real expressions (default "re")

       imag   <string>     ..F.A.... set channels imaginary expressions (default "im")

       win_size
              <int>        ..F.A.... set window size (from 16 to 131072) (default 4096)

       win_func
              <int>        ..F.A.... set window function (from 0 to 19) (default hann)

       rect   ..F.A.... Rectangular

       bartlett
              ..F.A.... Bartlett

       hann   ..F.A.... Hann

       hanning
              ..F.A.... Hanning

       hamming
              ..F.A.... Hamming

       blackman
              ..F.A.... Blackman

       welch  ..F.A.... Welch

       flattop
              ..F.A.... Flat-top

       bharris
              ..F.A.... Blackman-Harris

       bnuttall
              ..F.A.... Blackman-Nuttall

       bhann  ..F.A.... Bartlett-Hann

       sine   ..F.A.... Sine

       nuttall
              ..F.A.... Nuttall

       lanczos
              ..F.A.... Lanczos

       gauss  ..F.A.... Gauss

       tukey  ..F.A.... Tukey

       dolph  ..F.A.... Dolph-Chebyshev

       cauchy ..F.A.... Cauchy

       parzen ..F.A.... Parzen

       poisson
              ..F.A.... Poisson

       bohman ..F.A.... Bohman

       overlap
              <float>      ..F.A.... set window overlap (from 0 to 1) (default 0.75)

   afir AVOptions:
       dry    <float>      ..F.A.... set dry gain (from 0 to 10) (default 1)

       wet    <float>      ..F.A.... set wet gain (from 0 to 10) (default 1)

       length <float>      ..F.A.... set IR length (from 0 to 1) (default 1)

       gtype  <int>        ..F.A.... set IR auto gain type (from -1 to 2) (default peak)

       none   ..F.A.... without auto gain

       peak   ..F.A.... peak gain

       dc     ..F.A.... DC gain

       gn     ..F.A.... gain to noise

       irgain <float>      ..F.A.... set IR gain (from 0 to 1) (default 1)

       irfmt  <int>        ..F.A.... set IR format (from 0 to 1) (default input)

       mono   ..F.A.... single channel

       input  ..F.A.... same as input

       maxir  <float>      ..F.A.... set max IR length (from 0.1 to 60) (default 30)

       response
              <boolean>    ..FV..... show IR frequency response (default false)

       channel
              <int>        ..FV..... set IR channel to display  frequency  response  (from  0  to
              1024) (default 0)

       size   <image_size> ..FV..... set video size (default "hd720")

       rate   <video_rate> ..FV..... set video rate (default "25")

       minp   <int>        ..F.A.... set min partition size (from 8 to 32768) (default 8192)

       maxp   <int>        ..F.A.... set max partition size (from 8 to 32768) (default 8192)

   aformat AVOptions:
       sample_fmts
              <string>     ..F.A.... A '|'-separated list of sample formats.

       sample_rates
              <string>     ..F.A.... A '|'-separated list of sample rates.

       channel_layouts
              <string>     ..F.A.... A '|'-separated list of channel layouts.

   agate AVOptions:
       level_in
              <double>     ..F.A.... set input level (from 0.015625 to 64) (default 1)

       mode   <int>        ..F.A.... set mode (from 0 to 1) (default downward)

       downward
              ..F.A....

       upward ..F.A....

       range  <double>     ..F.A.... set max gain reduction (from 0 to 1) (default 0.06125)

       threshold
              <double>     ..F.A.... set threshold (from 0 to 1) (default 0.125)

       ratio  <double>     ..F.A.... set ratio (from 1 to 9000) (default 2)

       attack <double>     ..F.A.... set attack (from 0.01 to 9000) (default 20)

       release
              <double>     ..F.A.... set release (from 0.01 to 9000) (default 250)

       makeup <double>     ..F.A.... set makeup gain (from 1 to 64) (default 1)

       knee   <double>     ..F.A.... set knee (from 1 to 8) (default 2.82843)

       detection
              <int>        ..F.A.... set detection (from 0 to 1) (default rms)

       peak   ..F.A....

       rms    ..F.A....

       link   <int>        ..F.A.... set link (from 0 to 1) (default average)

       average
              ..F.A....

       maximum
              ..F.A....

       level_sc
              <double>     ..F.A.... set sidechain gain (from 0.015625 to 64) (default 1)

   aiir AVOptions:
       z      <string>     ..F.A.... set B/numerator/zeros coefficients (default "1+0i 1-0i")

       p      <string>     ..F.A.... set A/denominator/poles coefficients (default "1+0i 1-0i")

       k      <string>     ..F.A.... set channels gains (default "1|1")

       dry    <double>     ..F.A.... set dry gain (from 0 to 1) (default 1)

       wet    <double>     ..F.A.... set wet gain (from 0 to 1) (default 1)

       f      <int>        ..F.A.... set coefficients format (from 0 to 3) (default zp)

       tf     ..F.A.... transfer function

       zp     ..F.A.... Z-plane zeros/poles

       pr     ..F.A.... Z-plane zeros/poles (polar radians)

       pd     ..F.A.... Z-plane zeros/poles (polar degrees)

       r      <int>        ..F.A.... set kind of processing (from 0 to 1) (default s)

       d      ..F.A.... direct

       s      ..F.A.... serial cascading

       e      <int>        ..F.A.... set precision (from 0 to 3) (default dbl)

       dbl    ..F.A.... double-precision floating-point

       flt    ..F.A.... single-precision floating-point

       i32    ..F.A.... 32-bit integers

       i16    ..F.A.... 16-bit integers

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       response
              <boolean>    ..FV..... show IR frequency response (default false)

       channel
              <int>         ..FV.....  set  IR  channel  to display frequency response (from 0 to
              1024) (default 0)

       size   <image_size> ..FV..... set video size (default "hd720")

       rate   <video_rate> ..FV..... set video rate (default "25")

   ainterleave AVOptions:
       nb_inputs
              <int>        ..F.A.... set number of inputs (from 1 to INT_MAX) (default 2)

       n      <int>        ..F.A.... set number of inputs (from 1 to INT_MAX) (default 2)

   alimiter AVOptions:
       level_in
              <double>     ..F.A.... set input level (from 0.015625 to 64) (default 1)

       level_out
              <double>     ..F.A.... set output level (from 0.015625 to 64) (default 1)

       limit  <double>     ..F.A.... set limit (from 0.0625 to 1) (default 1)

       attack <double>     ..F.A.... set attack (from 0.1 to 80) (default 5)

       release
              <double>     ..F.A.... set release (from 1 to 8000) (default 50)

       asc    <boolean>    ..F.A.... enable asc (default false)

       asc_level
              <double>     ..F.A.... set asc level (from 0 to 1) (default 0.5)

       level  <boolean>    ..F.A.... auto level (default true)

   allpass AVOptions:
       frequency
              <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       f      <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default h)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default h)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set filter-width (from 0 to 99999) (default 707.1)

       w      <double>     ..F.A.... set filter-width (from 0 to 99999) (default 707.1)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   aloop AVOptions:
       loop   <int>        ..F.A.... number of loops (from -1 to INT_MAX) (default 0)

       size   <int64>      ..F.A.... max number of samples to loop (from 0 to  INT_MAX)  (default
              0)

       start  <int64>      ..F.A.... set the loop start sample (from 0 to I64_MAX) (default 0)

   amerge AVOptions:
       inputs <int>        ..F.A.... specify the number of inputs (from 1 to 64) (default 2)

   ametadata AVOptions:
       mode   <int>        ..F.A.... set a mode of operation (from 0 to 4) (default select)

       select ..F.A.... select frame

       add    ..F.A.... add new metadata

       modify ..F.A.... modify metadata

       delete ..F.A.... delete metadata

       print  ..F.A.... print metadata

       key    <string>     ..F.A.... set metadata key

       value  <string>     ..F.A.... set metadata value

       function
              <int>         ..F.A....  function  for  comparing  values  (from  0  to 5) (default
              same_str)

       same_str
              ..F.A....

       starts_with
              ..F.A....

       less   ..F.A....

       equal  ..F.A....

       greater
              ..F.A....

       expr   ..F.A....

       expr   <string>     ..F.A.... set expression for expr function

       file   <string>     ..F.A.... set file where to print metadata information

   amix AVOptions:
       inputs <int>        ..F.A.... Number of inputs. (from 1 to 1024) (default 2)

       duration
              <int>        ..F.A.... How to determine the end-of-stream. (from 0 to  2)  (default
              longest)

       longest
              ..F.A.... Duration of longest input.

       shortest
              ..F.A.... Duration of shortest input.

       first  ..F.A.... Duration of first input.

       dropout_transition <float>
              ..F.A....  Transition  time,  in  seconds, for volume renormalization when an input
              stream ends. (from 0 to INT_MAX) (default 2)

       weights
              <string>     ..F.A.... Set weight for each input. (default "1 1")

   anequalizer AVOptions:
       params <string>     ..F.A.... (default "")

       curves <boolean>    ..FV..... draw frequency response curves (default false)

       size   <image_size> ..FV..... set video size (default "hd720")

       mgain  <double>     ..FV..... set max gain (from -900 to 900) (default 60)

       fscale <int>        ..FV..... set frequency scale (from 0 to 1) (default log)

       lin    ..FV..... linear

       log    ..FV..... logarithmic

       colors <string>         ..FV.....     set     channels     curves     colors      (default
              "red|green|blue|yellow|orange|lime|pink|magenta|brown")

   anlmdn AVOptions:
       s      <float>      ..F.A.... set denoising strength (from 1e-05 to 10) (default 1e-05)

       p      <duration>   ..F.A.... set patch duration (default 0.002)

       r      <duration>   ..F.A.... set research duration (default 0.006)

       o      <int>        ..F.A.... set output mode (from 0 to 2) (default o)

       i      ..F.A.... input

       o      ..F.A.... output

       n      ..F.A.... noise

       m      <float>      ..F.A.... set smooth factor (from 1 to 15) (default 11)

   apad AVOptions:
       packet_size
              <int>        ..F.A.... set silence packet size (from 0 to INT_MAX) (default 4096)

       pad_len
              <int64>      ..F.A.... set number of samples of silence to add (from -1 to I64_MAX)
              (default -1)

       whole_len
              <int64>      ..F.A.... set minimum target number of samples  in  the  audio  stream
              (from -1 to I64_MAX) (default -1)

       pad_dur
              <duration>   ..F.A.... set duration of silence to add (default 0)

       whole_dur
              <duration>   ..F.A.... set minimum target duration in the audio stream (default 0)

   aperms AVOptions:
       mode   <int>        ..FVA.... select permissions mode (from 0 to 4) (default none)

       none   ..FVA.... do nothing

       ro     ..FVA.... set all output frames read-only

       rw     ..FVA.... set all output frames writable

       toggle ..FVA.... switch permissions

       random ..FVA.... set permissions randomly

       seed   <int64>       ..FVA....  set  the  seed for the random mode (from -1 to UINT32_MAX)
              (default -1)

   aphaser AVOptions:
       in_gain
              <double>     ..F.A.... set input gain (from 0 to 1) (default 0.4)

       out_gain
              <double>     ..F.A.... set output gain (from 0 to 1e+09) (default 0.74)

       delay  <double>     ..F.A.... set delay in milliseconds (from 0 to 5) (default 3)

       decay  <double>     ..F.A.... set decay (from 0 to 0.99) (default 0.4)

       speed  <double>     ..F.A.... set modulation speed (from 0.1 to 2) (default 0.5)

       type   <int>        ..F.A.... set modulation type (from 0 to 1) (default triangular)

       triangular
              ..F.A....

       t      ..F.A....

       sinusoidal
              ..F.A....

       s      ..F.A....

   apulsator AVOptions:
       level_in
              <double>     ..F.A.... set input gain (from 0.015625 to 64) (default 1)

       level_out
              <double>     ..F.A.... set output gain (from 0.015625 to 64) (default 1)

       mode   <int>        ..F.A.... set mode (from 0 to 4) (default sine)

       sine   ..F.A....

       triangle
              ..F.A....

       square ..F.A....

       sawup  ..F.A....

       sawdown
              ..F.A....

       amount <double>     ..F.A.... set modulation (from 0 to 1) (default 1)

       offset_l
              <double>     ..F.A.... set offset L (from 0 to 1) (default 0)

       offset_r
              <double>     ..F.A.... set offset R (from 0 to 1) (default 0.5)

       width  <double>     ..F.A.... set pulse width (from 0 to 2) (default 1)

       timing <int>        ..F.A.... set timing (from 0 to 2) (default hz)

       bpm    ..F.A....

       ms     ..F.A....

       hz     ..F.A....

       bpm    <double>     ..F.A.... set BPM (from 30 to 300) (default 120)

       ms     <int>        ..F.A.... set ms (from 10 to 2000) (default 500)

       hz     <double>     ..F.A.... set frequency (from 0.01 to 100) (default 2)

   arealtime AVOptions:
       limit  <duration>   ..FVA.... sleep time limit (default 2)

       speed  <double>     ..FVA.... speed factor (from DBL_MIN to DBL_MAX) (default 1)

   aresample AVOptions:
       sample_rate
              <int>        ..F.A.... (from 0 to INT_MAX) (default 0)

       SWResampler AVOptions:

   aselect AVOptions:
       expr   <string>     ..F.A.... set an expression to use for selecting frames (default "1")

       e      <string>     ..F.A.... set an expression to use for selecting frames (default "1")

       outputs
              <int>        ..F.A.... set the number of outputs (from 1 to INT_MAX) (default 1)

       n      <int>        ..F.A.... set the number of outputs (from 1 to INT_MAX) (default 1)

   asendcmd AVOptions:
       commands
              <string>     ..FVA.... set commands

       c      <string>     ..FVA.... set commands

       filename
              <string>     ..FVA.... set commands file

       f      <string>     ..FVA.... set commands file

   asetnsamples AVOptions:
       nb_out_samples
              <int>        ..F.A.... set the number  of  per-frame  output  samples  (from  1  to
              INT_MAX) (default 1024)

       n      <int>         ..F.A....  set  the  number  of  per-frame  output samples (from 1 to
              INT_MAX) (default 1024)

       pad    <boolean>    ..F.A.... pad last frame with zeros (default true)

       p      <boolean>    ..F.A.... pad last frame with zeros (default true)

   asetpts AVOptions:
       expr   <string>     ..FVA.... Expression determining the frame timestamp (default "PTS")

   asetrate AVOptions:
       sample_rate
              <int>        ..F.A.... set the sample rate (from 1 to INT_MAX) (default 44100)

       r      <int>        ..F.A.... set the sample rate (from 1 to INT_MAX) (default 44100)

   asettb AVOptions:
       expr   <string>     ..F.A.... set expression  determining  the  output  timebase  (default
              "intb")

       tb     <string>      ..F.A....  set  expression  determining  the output timebase (default
              "intb")

   asidedata AVOptions:
       mode   <int>        ..F.A.... set a mode of operation (from 0 to 1) (default select)

       select ..F.A.... select frame

       delete ..F.A.... delete side data

       type   <int>        ..F.A.... set side data type (from -1 to INT_MAX) (default -1)

       PANSCAN
              ..F.A....

       A53_CC ..F.A....

       STEREO3D
              ..F.A....

       MATRIXENCODING
              ..F.A....

       DOWNMIX_INFO
              ..F.A....

       REPLAYGAIN
              ..F.A....

       DISPLAYMATRIX
              ..F.A....

       AFD    ..F.A....

       MOTION_VECTORS
              ..F.A....

       SKIP_SAMPLES
              ..F.A....

       AUDIO_SERVICE_TYPE
              ..F.A....

       MASTERING_DISPLAY_METADATA
              ..F.A....

       GOP_TIMECODE
              ..F.A....

       SPHERICAL
              ..F.A....

       CONTENT_LIGHT_LEVEL
              ..F.A....

       ICC_PROFILE
              ..F.A....

       QP_TABLE_PROPERTIES
              ..F.A....

       QP_TABLE_DATA
              ..F.A....

       S12M_TIMECOD
              ..F.A....

       DYNAMIC_HDR_PLUS
              ..F.A....

       REGIONS_OF_INTEREST
              ..F.A....

   asoftclip AVOptions:
       type   <int>        ..F.A.... set softclip type (from 0 to 6) (default tanh)

       tanh   ..F.A....

       atan   ..F.A....

       cubic  ..F.A....

       exp    ..F.A....

       alg    ..F.A....

       quintic
              ..F.A....

       sin    ..F.A....

       param  <double>     ..F.A.... set softclip parameter (from 0.01 to 3) (default 1)

   asplit AVOptions:
       outputs
              <int>        ..FVA.... set number of outputs (from 1 to INT_MAX) (default 2)

   astats AVOptions:
       length <double>     ..F.A.... set the window length (from 0.01 to 10) (default 0.05)

       metadata
              <boolean>    ..F.A.... inject metadata in the filtergraph (default false)

       reset  <int>        ..F.A.... recalculate stats after this many frames (from 0 to INT_MAX)
              (default 0)

       measure_perchannel <flags>
              ..F.A....   only   measure_perchannel   these   per-channel   statistics   (default
              all+DC_offset+Min_level+Max_level+Min_difference+Max_difference+Mean_difference+RMS_difference+Peak_level+RMS_level+RMS_peak+RMS_trough+Crest_factor+Flat_factor+Peak_count+Bit_depth+Dynamic_range+Zero_crossings+Zero_crossings_rate+Number_of_samples+Number_of_NaNs+Number_of_Infs+Number_of_denormals)

       none   ..F.A....

       all    ..F.A....

       DC_offset
              ..F.A....

       Min_level
              ..F.A....

       Max_level
              ..F.A....

       Min_difference
              ..F.A....

       Max_difference
              ..F.A....

       Mean_difference
              ..F.A....

       RMS_difference
              ..F.A....

       Peak_level
              ..F.A....

       RMS_level
              ..F.A....

       RMS_peak
              ..F.A....

       RMS_trough
              ..F.A....

       Crest_factor
              ..F.A....

       Flat_factor
              ..F.A....

       Peak_count
              ..F.A....

       Bit_depth
              ..F.A....

       Dynamic_range
              ..F.A....

       Zero_crossings
              ..F.A....

       Zero_crossings_rate
              ..F.A....

       Number_of_samples
              ..F.A....

       Number_of_NaNs
              ..F.A....

       Number_of_Infs
              ..F.A....

       Number_of_denormals
              ..F.A....

       measure_overall
              <flags>       ..F.A....  only  measure_perchannel these overall statistics (default
              all+DC_offset+Min_level+Max_level+Min_difference+Max_difference+Mean_difference+RMS_difference+Peak_level+RMS_level+RMS_peak+RMS_trough+Crest_factor+Flat_factor+Peak_count+Bit_depth+Dynamic_range+Zero_crossings+Zero_crossings_rate+Number_of_samples+Number_of_NaNs+Number_of_Infs+Number_of_denormals)

       none   ..F.A....

       all    ..F.A....

       DC_offset
              ..F.A....

       Min_level
              ..F.A....

       Max_level
              ..F.A....

       Min_difference
              ..F.A....

       Max_difference
              ..F.A....

       Mean_difference
              ..F.A....

       RMS_difference
              ..F.A....

       Peak_level
              ..F.A....

       RMS_level
              ..F.A....

       RMS_peak
              ..F.A....

       RMS_trough
              ..F.A....

       Crest_factor
              ..F.A....

       Flat_factor
              ..F.A....

       Peak_count
              ..F.A....

       Bit_depth
              ..F.A....

       Dynamic_range
              ..F.A....

       Zero_crossings
              ..F.A....

       Zero_crossings_rate
              ..F.A....

       Number_of_samples
              ..F.A....

       Number_of_NaNs
              ..F.A....

       Number_of_Infs
              ..F.A....

       Number_of_denormals
              ..F.A....

   astreamselect AVOptions:
       inputs <int>        ..FVA.... number of input streams (from 2 to INT_MAX) (default 2)

       map    <string>     ..FVA.... input indexes to remap to outputs

   atempo AVOptions:
       tempo  <double>     ..F.A.... set tempo scale factor (from 0.5 to 100) (default 1)

   atrim AVOptions:
       start  <duration>    ..F.A.... Timestamp of the first frame that should be passed (default
              INT64_MAX)

       starti <duration>   ..F.A.... Timestamp of the first frame that should be passed  (default
              INT64_MAX)

       end    <duration>    ..F.A....  Timestamp  of the first frame that should be dropped again
              (default INT64_MAX)

       endi   <duration>   ..F.A.... Timestamp of the first frame that should  be  dropped  again
              (default INT64_MAX)

       start_pts
              <int64>       ..F.A....  Timestamp  of the first frame that should be  passed (from
              I64_MIN to I64_MAX) (default I64_MIN)

       end_pts
              <int64>      ..F.A.... Timestamp of the first frame that should  be  dropped  again
              (from I64_MIN to I64_MAX) (default I64_MIN)

       duration
              <duration>   ..F.A.... Maximum duration of the output (default 0)

       durationi
              <duration>   ..F.A.... Maximum duration of the output (default 0)

       start_sample
              <int64>       ..F.A....  Number  of the first audio sample that should be passed to
              the output (from -1 to I64_MAX) (default -1)

       end_sample
              <int64>      ..F.A.... Number of the first audio  sample  that  should  be  dropped
              again (from 0 to I64_MAX) (default I64_MAX)

   bandpass AVOptions:
       frequency
              <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       f      <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set band-width (from 0 to 99999) (default 0.5)

       w      <double>     ..F.A.... set band-width (from 0 to 99999) (default 0.5)

       csg    <boolean>    ..F.A.... use constant skirt gain (default false)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   bandreject AVOptions:
       frequency
              <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       f      <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set band-width (from 0 to 99999) (default 0.5)

       w      <double>     ..F.A.... set band-width (from 0 to 99999) (default 0.5)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   bass AVOptions:
       frequency
              <double>     ..F.A.... set central frequency (from 0 to 999999) (default 100)

       f      <double>     ..F.A.... set central frequency (from 0 to 999999) (default 100)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set shelf transition steep (from 0 to 99999) (default 0.5)

       w      <double>     ..F.A.... set shelf transition steep (from 0 to 99999) (default 0.5)

       gain   <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       g      <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   biquad AVOptions:
       a0     <double>     ..F.A.... (from INT_MIN to INT_MAX) (default 1)

       a1     <double>     ..F.A.... (from INT_MIN to INT_MAX) (default 0)

       a2     <double>     ..F.A.... (from INT_MIN to INT_MAX) (default 0)

       b0     <double>     ..F.A.... (from INT_MIN to INT_MAX) (default 0)

       b1     <double>     ..F.A.... (from INT_MIN to INT_MAX) (default 0)

       b2     <double>     ..F.A.... (from INT_MIN to INT_MAX) (default 0)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   channelmap AVOptions:
       map    <string>      ..F.A....  A  comma-separated list of input channel numbers in output
              order.

       channel_layout
              <string>     ..F.A.... Output channel layout.

   channelsplit AVOptions:
       channel_layout
              <string>     ..F.A.... Input channel layout. (default "stereo")

       channels
              <string>     ..F.A.... Channels to extract. (default "all")

   chorus AVOptions:
       in_gain
              <float>      ..F.A.... set input gain (from 0 to 1) (default 0.4)

       out_gain
              <float>      ..F.A.... set output gain (from 0 to 1) (default 0.4)

       delays <string>     ..F.A.... set delays

       decays <string>     ..F.A.... set decays

       speeds <string>     ..F.A.... set speeds

       depths <string>     ..F.A.... set depths

   compand AVOptions:
       attacks
              <string>     ..F.A.... set  time  over  which  increase  of  volume  is  determined
              (default "0")

       decays <string>      ..F.A....  set  time  over  which  decrease  of  volume is determined
              (default "0.8")

       points <string>       ..F.A....    set    points    of    transfer    function    (default
              "-70/-70|-60/-20|1/0")

       soft-knee
              <double>     ..F.A.... set soft-knee (from 0.01 to 900) (default 0.01)

       gain   <double>     ..F.A.... set output gain (from -900 to 900) (default 0)

       volume <double>     ..F.A.... set initial volume (from -900 to 0) (default 0)

       delay  <double>     ..F.A.... set delay for samples before sending them to volume adjuster
              (from 0 to 20) (default 0)

   compensationdelay AVOptions:
       mm     <int>        ..F.A.... set mm distance (from 0 to 10) (default 0)

       cm     <int>        ..F.A.... set cm distance (from 0 to 100) (default 0)

       m      <int>        ..F.A.... set meter distance (from 0 to 100) (default 0)

       dry    <double>     ..F.A.... set dry amount (from 0 to 1) (default 0)

       wet    <double>     ..F.A.... set wet amount (from 0 to 1) (default 1)

       temp   <int>        ..F.A.... set temperature ??C (from -50 to 50) (default 20)

   crossfeed AVOptions:
       strength
              <double>     ..F.A.... set crossfeed strength (from 0 to 1) (default 0.2)

       range  <double>     ..F.A.... set soundstage wideness (from 0 to 1) (default 0.5)

       level_in
              <double>     ..F.A.... set level in (from 0 to 1) (default 0.9)

       level_out
              <double>     ..F.A.... set level out (from 0 to 1) (default 1)

   crystalizer AVOptions:
       i      <float>      ..F.A.... set intensity (from 0 to 10) (default 2)

       c      <boolean>    ..F.A.... enable clipping (default true)

   dcshift AVOptions:
       shift  <double>     ..F.A.... set DC shift (from -1 to 1) (default 0)

       limitergain
              <double>     ..F.A.... set limiter gain (from 0 to 1) (default 0)

   deesser AVOptions:
       i      <double>     ..F.A.... set intensity (from 0 to 1) (default 0)

       m      <double>     ..F.A.... set max deessing (from 0 to 1) (default 0.5)

       f      <double>     ..F.A.... set frequency (from 0 to 1) (default 0.5)

       s      <int>        ..F.A.... set output mode (from 0 to 2) (default o)

       i      ..F.A.... input

       o      ..F.A.... output

       e      ..F.A.... ess

   drmeter AVOptions:
       length <double>     ..F.A.... set the window length (from 0.01 to 10) (default 3)

   dynaudnorm AVOptions:
       f      <int>        ..F.A.... set the frame length in msec (from 10 to 8000) (default 500)

       g      <int>        ..F.A.... set the filter size (from 3 to 301) (default 31)

       p      <double>     ..F.A.... set the peak value (from 0 to 1) (default 0.95)

       m      <double>     ..F.A.... set the max amplification (from 1 to 100) (default 10)

       r      <double>     ..F.A.... set the target RMS (from 0 to 1) (default 0)

       n      <boolean>    ..F.A.... set channel coupling (default true)

       c      <boolean>    ..F.A.... set DC correction (default false)

       b      <boolean>    ..F.A.... set alternative boundary mode (default false)

       s      <double>     ..F.A.... set the compress factor (from 0 to 30) (default 0)

   ebur128 AVOptions:
       video  <boolean>    ..FV..... set video output (default false)

       size   <image_size> ..FV..... set video size (default "640x480")

       meter  <int>        ..FV..... set scale meter (+9 to +18) (from 9 to 18) (default 9)

       framelog
              <int>        ..FVA.... force frame logging level (from INT_MIN to INT_MAX) (default
              -1)

       info   ..FVA.... information logging level

       verbose
              ..FVA.... verbose logging level

       metadata
              <boolean>    ..FVA.... inject metadata in the filtergraph (default false)

       peak   <flags>      ..F.A.... set peak mode (default 0)

       none   ..F.A.... disable any peak mode

       sample ..F.A.... enable peak-sample mode

       true   ..F.A.... enable true-peak mode

       dualmono
              <boolean>    ..F.A.... treat mono input files as dual-mono (default false)

       panlaw <double>      ..F.A....  set a specific pan law for dual-mono files (from -10 to 0)
              (default -3.0103)

       target <int>        ..FV..... set a specific target level in LUFS (-23 to 0) (from -23  to
              0) (default -23)

       gauge  <int>        ..FV..... set gauge display type (from 0 to 1) (default momentary)

       momentary
              ..FV..... display momentary value

       m      ..FV..... display momentary value

       shortterm
              ..FV..... display short-term value

       s      ..FV..... display short-term value

       scale  <int>         ..FV.....  sets  display  method for the stats (from 0 to 1) (default
              absolute)

       absolute
              ..FV..... display absolute values (LUFS)

       LUFS   ..FV..... display absolute values (LUFS)

       relative
              ..FV..... display values relative to target (LU)

       LU     ..FV..... display values relative to target (LU)

   equalizer AVOptions:
       frequency
              <double>     ..F.A.... set central frequency (from 0 to 999999) (default 0)

       f      <double>     ..F.A.... set central frequency (from 0 to 999999) (default 0)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set band-width (from 0 to 99999) (default 1)

       w      <double>     ..F.A.... set band-width (from 0 to 99999) (default 1)

       gain   <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       g      <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   extrastereo AVOptions:
       m      <float>      ..F.A.... set the difference coefficient (from  -10  to  10)  (default
              2.5)

       c      <boolean>    ..F.A.... enable clipping (default true)

   firequalizer AVOptions:
       gain   <string>     ..F.A.... set gain curve (default "gain_interpolate(f)")

       gain_entry
              <string>     ..F.A.... set gain entry

       delay  <double>     ..F.A.... set delay (from 0 to 1e+10) (default 0.01)

       accuracy
              <double>     ..F.A.... set accuracy (from 0 to 1e+10) (default 5)

       wfunc  <int>        ..F.A.... set window function (from 0 to 9) (default hann)

       rectangular
              ..F.A.... rectangular window

       hann   ..F.A.... hann window

       hamming
              ..F.A.... hamming window

       blackman
              ..F.A.... blackman window

       nuttall3
              ..F.A.... 3-term nuttall window

       mnuttall3
              ..F.A.... minimum 3-term nuttall window

       nuttall
              ..F.A.... nuttall window

       bnuttall
              ..F.A.... blackman-nuttall window

       bharris
              ..F.A.... blackman-harris window

       tukey  ..F.A.... tukey window

       fixed  <boolean>    ..F.A.... set fixed frame samples (default false)

       multi  <boolean>    ..F.A.... set multi channels mode (default false)

       zero_phase
              <boolean>    ..F.A.... set zero phase mode (default false)

       scale  <int>        ..F.A.... set gain scale (from 0 to 3) (default linlog)

       linlin ..F.A.... linear-freq linear-gain

       linlog ..F.A.... linear-freq logarithmic-gain

       loglin ..F.A.... logarithmic-freq linear-gain

       loglog ..F.A.... logarithmic-freq logarithmic-gain

       dumpfile
              <string>     ..F.A.... set dump file

       dumpscale
              <int>        ..F.A.... set dump scale (from 0 to 3) (default linlog)

       linlin ..F.A.... linear-freq linear-gain

       linlog ..F.A.... linear-freq logarithmic-gain

       loglin ..F.A.... logarithmic-freq linear-gain

       loglog ..F.A.... logarithmic-freq logarithmic-gain

       fft2   <boolean>    ..F.A.... set 2-channels fft (default false)

       min_phase
              <boolean>    ..F.A.... set minimum phase mode (default false)

   flanger AVOptions:
       delay  <double>     ..F.A.... base delay in milliseconds (from 0 to 30) (default 0)

       depth  <double>     ..F.A.... added swept delay in milliseconds (from 0 to 10) (default 2)

       regen  <double>      ..F.A.... percentage regeneration (delayed signal feedback) (from -95
              to 95) (default 0)

       width  <double>     ..F.A.... percentage of delayed signal mixed with original (from 0  to
              100) (default 71)

       speed  <double>     ..F.A.... sweeps per second (Hz) (from 0.1 to 10) (default 0.5)

       shape  <int>        ..F.A.... swept wave shape (from 0 to 1) (default sinusoidal)

       triangular
              ..F.A....

       t      ..F.A....

       sinusoidal
              ..F.A....

       s      ..F.A....

       phase  <double>      ..F.A.... swept wave percentage phase-shift for multi-channel (from 0
              to 100) (default 25)

       interp <int>        ..F.A.... delay-line interpolation (from 0 to 1) (default linear)

       linear ..F.A....

       quadratic
              ..F.A....

   haas AVOptions:
       level_in
              <double>     ..F.A.... set level in (from 0.015625 to 64) (default 1)

       level_out
              <double>     ..F.A.... set level out (from 0.015625 to 64) (default 1)

       side_gain
              <double>     ..F.A.... set side gain (from 0.015625 to 64) (default 1)

       middle_source
              <int>        ..F.A.... set middle source (from 0 to 3) (default mid)

       left   ..F.A....

       right  ..F.A....

       mid    ..F.A.... L+R

       side   ..F.A.... L-R

       middle_phase
              <boolean>    ..F.A.... set middle phase (default false)

       left_delay
              <double>     ..F.A.... set left delay (from 0 to 40) (default 2.05)

       left_balance
              <double>     ..F.A.... set left balance (from -1 to 1) (default -1)

       left_gain
              <double>     ..F.A.... set left gain (from 0.015625 to 64) (default 1)

       left_phase
              <boolean>    ..F.A.... set left phase (default false)

       right_delay
              <double>     ..F.A.... set right delay (from 0 to 40) (default 2.12)

       right_balance
              <double>     ..F.A.... set right balance (from -1 to 1) (default 1)

       right_gain
              <double>     ..F.A.... set right gain (from 0.015625 to 64) (default 1)

       right_phase
              <boolean>    ..F.A.... set right phase (default true)

   hdcd AVOptions:
       disable_autoconvert <boolean>
              ..F.A.... Disable any format conversion or resampling in the filter graph. (default
              true)

       process_stereo
              <boolean>     ..F.A....  Process  stereo  channels together. Only apply target_gain
              when both channels match. (default true)

       cdt_ms <int>        ..F.A.... Code detect timer period in ms. (from 100 to 60000) (default
              2000)

       force_pe
              <boolean>     ..F.A....  Always  extend  peaks  above  -3dBFS  even  when PE is not
              signaled. (default false)

       analyze_mode
              <int>        ..F.A.... Replace audio with solid tone  and  signal  some  processing
              aspect in the amplitude. (from 0 to 4) (default off)

       off    ..F.A.... disabled

       lle    ..F.A.... gain adjustment level at each sample

       pe     ..F.A.... samples where peak extend occurs

       cdt    ..F.A.... samples where the code detect timer is active

       tgm    ..F.A.... samples where the target gain does not match between channels

       bits_per_sample
              <int>         ..F.A....  Valid bits per sample (location of the true LSB). (from 16
              to 24) (default 16)

       16     ..F.A.... 16-bit (in s32 or s16)

       20     ..F.A.... 20-bit (in s32)

       24     ..F.A.... 24-bit (in s32)

   headphone AVOptions:
       map    <string>     ..F.A.... set channels convolution mappings

       gain   <float>      ..F.A.... set gain in dB (from -20 to 40) (default 0)

       lfe    <float>      ..F.A.... set lfe gain in dB (from -20 to 40) (default 0)

       type   <int>        ..F.A.... set processing (from 0 to 1) (default freq)

       time   ..F.A.... time domain

       freq   ..F.A.... frequency domain

       size   <int>        ..F.A.... set frame size (from 1024 to 96000) (default 1024)

       hrir   <int>        ..F.A.... set hrir format (from 0 to 1) (default stereo)

       stereo ..F.A.... hrir files have exactly 2 channels

       multich
              ..F.A.... single multichannel hrir file

   highpass AVOptions:
       frequency
              <double>     ..F.A.... set frequency (from 0 to 999999) (default 3000)

       f      <double>     ..F.A.... set frequency (from 0 to 999999) (default 3000)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set width (from 0 to 99999) (default 0.707)

       w      <double>     ..F.A.... set width (from 0 to 99999) (default 0.707)

       poles  <int>        ..F.A.... set number of poles (from 1 to 2) (default 2)

       p      <int>        ..F.A.... set number of poles (from 1 to 2) (default 2)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   highshelf AVOptions:
       frequency
              <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       f      <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set shelf transition steep (from 0 to 99999) (default 0.5)

       w      <double>     ..F.A.... set shelf transition steep (from 0 to 99999) (default 0.5)

       gain   <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       g      <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   join AVOptions:
       inputs <int>        ..F.A.... Number of input streams. (from 1 to INT_MAX) (default 2)

       channel_layout
              <string>     ..F.A.... Channel layout of the output stream. (default "stereo")

       map    <string>     ..F.A.... A comma-separated  list  of  channels  maps  in  the  format
              'input_stream.input_channel-output_channel.

   loudnorm AVOptions:
       I      <double>      ..F.A....  set  integrated  loudness target (from -70 to -5) (default
              -24)

       i      <double>     ..F.A.... set integrated loudness target (from  -70  to  -5)  (default
              -24)

       LRA    <double>     ..F.A.... set loudness range target (from 1 to 20) (default 7)

       lra    <double>     ..F.A.... set loudness range target (from 1 to 20) (default 7)

       TP     <double>     ..F.A.... set maximum true peak (from -9 to 0) (default -2)

       tp     <double>     ..F.A.... set maximum true peak (from -9 to 0) (default -2)

       measured_I
              <double>     ..F.A.... measured IL of input file (from -99 to 0) (default 0)

       measured_i
              <double>     ..F.A.... measured IL of input file (from -99 to 0) (default 0)

       measured_LRA
              <double>     ..F.A.... measured LRA of input file (from 0 to 99) (default 0)

       measured_lra
              <double>     ..F.A.... measured LRA of input file (from 0 to 99) (default 0)

       measured_TP
              <double>      ..F.A....  measured true peak of input file (from -99 to 99) (default
              99)

       measured_tp
              <double>     ..F.A.... measured true peak of input file (from -99 to  99)  (default
              99)

       measured_thresh
              <double>      ..F.A....  measured  threshold of input file (from -99 to 0) (default
              -70)

       offset <double>     ..F.A.... set offset gain (from -99 to 99) (default 0)

       linear <boolean>    ..F.A.... normalize linearly if possible (default true)

       dual_mono
              <boolean>    ..F.A.... treat mono input as dual-mono (default false)

       print_format
              <int>        ..F.A.... set print format for stats (from 0 to 2) (default none)

       none   ..F.A....

       json   ..F.A....

       summary
              ..F.A....

   lowpass AVOptions:
       frequency
              <double>     ..F.A.... set frequency (from 0 to 999999) (default 500)

       f      <double>     ..F.A.... set frequency (from 0 to 999999) (default 500)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set width (from 0 to 99999) (default 0.707)

       w      <double>     ..F.A.... set width (from 0 to 99999) (default 0.707)

       poles  <int>        ..F.A.... set number of poles (from 1 to 2) (default 2)

       p      <int>        ..F.A.... set number of poles (from 1 to 2) (default 2)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   lowshelf AVOptions:
       frequency
              <double>     ..F.A.... set central frequency (from 0 to 999999) (default 100)

       f      <double>     ..F.A.... set central frequency (from 0 to 999999) (default 100)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set shelf transition steep (from 0 to 99999) (default 0.5)

       w      <double>     ..F.A.... set shelf transition steep (from 0 to 99999) (default 0.5)

       gain   <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       g      <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   mcompand AVOptions:
       args   <string>      ..F.A....  set  parameters  for  each  band  (default  "0.005,0.1   6
              -47/-40,-34/-34,-17/-33   100   |   0.003,0.05   6  -47/-40,-34/-34,-17/-33  400  |
              0.000625,0.0125    6    -47/-40,-34/-34,-15/-33    1600    |     0.0001,0.025     6
              -47/-40,-34/-34,-31/-31,-0/-30 6400 | 0,0.025 6 -38/-31,-28/-28,-0/-25 22000")

   pan AVOptions:
       args   <string>     ..F.A....

   sidechaincompress AVOptions:
       level_in
              <double>     ..F.A.... set input gain (from 0.015625 to 64) (default 1)

       mode   <int>        ..F.A.... set mode (from 0 to 1) (default downward)

       downward
              ..F.A....

       upward ..F.A....

       threshold
              <double>     ..F.A.... set threshold (from 0.000976563 to 1) (default 0.125)

       ratio  <double>     ..F.A.... set ratio (from 1 to 20) (default 2)

       attack <double>     ..F.A.... set attack (from 0.01 to 2000) (default 20)

       release
              <double>     ..F.A.... set release (from 0.01 to 9000) (default 250)

       makeup <double>     ..F.A.... set make up gain (from 1 to 64) (default 1)

       knee   <double>     ..F.A.... set knee (from 1 to 8) (default 2.82843)

       link   <int>        ..F.A.... set link type (from 0 to 1) (default average)

       average
              ..F.A....

       maximum
              ..F.A....

       detection
              <int>        ..F.A.... set detection (from 0 to 1) (default rms)

       peak   ..F.A....

       rms    ..F.A....

       level_sc
              <double>     ..F.A.... set sidechain gain (from 0.015625 to 64) (default 1)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

   sidechaingate AVOptions:
       level_in
              <double>     ..F.A.... set input level (from 0.015625 to 64) (default 1)

       mode   <int>        ..F.A.... set mode (from 0 to 1) (default downward)

       downward
              ..F.A....

       upward ..F.A....

       range  <double>     ..F.A.... set max gain reduction (from 0 to 1) (default 0.06125)

       threshold
              <double>     ..F.A.... set threshold (from 0 to 1) (default 0.125)

       ratio  <double>     ..F.A.... set ratio (from 1 to 9000) (default 2)

       attack <double>     ..F.A.... set attack (from 0.01 to 9000) (default 20)

       release
              <double>     ..F.A.... set release (from 0.01 to 9000) (default 250)

       makeup <double>     ..F.A.... set makeup gain (from 1 to 64) (default 1)

       knee   <double>     ..F.A.... set knee (from 1 to 8) (default 2.82843)

       detection
              <int>        ..F.A.... set detection (from 0 to 1) (default rms)

       peak   ..F.A....

       rms    ..F.A....

       link   <int>        ..F.A.... set link (from 0 to 1) (default average)

       average
              ..F.A....

       maximum
              ..F.A....

       level_sc
              <double>     ..F.A.... set sidechain gain (from 0.015625 to 64) (default 1)

   silencedetect AVOptions:
       n      <double>     ..F.A.... set noise tolerance (from 0 to DBL_MAX) (default 0.001)

       noise  <double>     ..F.A.... set noise tolerance (from 0 to DBL_MAX) (default 0.001)

       d      <double>      ..F.A....  set minimum duration in seconds (from 0 to 86400) (default
              2)

       duration
              <double>     ..F.A.... set minimum duration in seconds (from 0 to  86400)  (default
              2)

       mono   <boolean>    ..F.A.... check each channel separately (default false)

       m      <boolean>    ..F.A.... check each channel separately (default false)

   silenceremove AVOptions:
       start_periods
              <int>        ..F.A.... (from 0 to 9000) (default 0)

       start_duration
              <duration>   ..F.A.... set start duration of non-silence part (default 0)

       start_threshold
              <double>      ..F.A....  set  threshold  for  start  silence  detection  (from 0 to
              DBL_MAX) (default 0)

       start_silence
              <duration>   ..F.A.... set start duration of silence part to keep (default 0)

       start_mode
              <int>        ..F.A.... set which channel will trigger trimming from start  (from  0
              to 1) (default any)

       any    ..F.A....

       all    ..F.A....

       stop_periods
              <int>        ..F.A.... (from -9000 to 9000) (default 0)

       stop_duration
              <duration>   ..F.A.... set stop duration of non-silence part (default 0)

       stop_threshold
              <double>     ..F.A.... set threshold for stop silence detection (from 0 to DBL_MAX)
              (default 0)

       stop_silence
              <duration>   ..F.A.... set stop duration of silence part to keep (default 0)

       stop_mode
              <int>        ..F.A.... set which channel will trigger trimming from end (from 0  to
              1) (default any)

       any    ..F.A....

       all    ..F.A....

       detection
              <int>        ..F.A.... set how silence is detected (from 0 to 1) (default rms)

       peak   ..F.A.... use absolute values of samples

       rms    ..F.A.... use squared values of samples

       window <double>      ..F.A....  set  duration of window in seconds (from 0 to 10) (default
              0.02)

   stereotools AVOptions:
       level_in
              <double>     ..F.A.... set level in (from 0.015625 to 64) (default 1)

       level_out
              <double>     ..F.A.... set level out (from 0.015625 to 64) (default 1)

       balance_in
              <double>     ..F.A.... set balance in (from -1 to 1) (default 0)

       balance_out
              <double>     ..F.A.... set balance out (from -1 to 1) (default 0)

       softclip
              <boolean>    ..F.A.... enable softclip (default false)

       mutel  <boolean>    ..F.A.... mute L (default false)

       muter  <boolean>    ..F.A.... mute R (default false)

       phasel <boolean>    ..F.A.... phase L (default false)

       phaser <boolean>    ..F.A.... phase R (default false)

       mode   <int>        ..F.A.... set stereo mode (from 0 to 8) (default lr>lr)

       lr>lr  ..F.A....

       lr>ms  ..F.A....

       ms>lr  ..F.A....

       lr>ll  ..F.A....

       lr>rr  ..F.A....

       lr>l+r ..F.A....

       lr>rl  ..F.A....

       ms>ll  ..F.A....

       ms>rr  ..F.A....

       slev   <double>     ..F.A.... set side level (from 0.015625 to 64) (default 1)

       sbal   <double>     ..F.A.... set side balance (from -1 to 1) (default 0)

       mlev   <double>     ..F.A.... set middle level (from 0.015625 to 64) (default 1)

       mpan   <double>     ..F.A.... set middle pan (from -1 to 1) (default 0)

       base   <double>     ..F.A.... set stereo base (from -1 to 1) (default 0)

       delay  <double>     ..F.A.... set delay (from -20 to 20) (default 0)

       sclevel
              <double>     ..F.A.... set S/C level (from 1 to 100) (default 1)

       phase  <double>     ..F.A.... set stereo phase (from 0 to 360) (default 0)

       bmode_in
              <int>        ..F.A.... set balance in mode (from 0 to 2) (default balance)

       balance
              ..F.A....

       amplitude
              ..F.A....

       power  ..F.A....

       bmode_out
              <int>        ..F.A.... set balance out mode (from 0 to 2) (default balance)

       balance
              ..F.A....

       amplitude
              ..F.A....

       power  ..F.A....

   stereowiden AVOptions:
       delay  <float>      ..F.A.... set delay time (from 1 to 100) (default 20)

       feedback
              <float>      ..F.A.... set feedback gain (from 0 to 0.9) (default 0.3)

       crossfeed
              <float>      ..F.A.... set cross feed (from 0 to 0.8) (default 0.3)

       drymix <float>      ..F.A.... set dry-mix (from 0 to 1) (default 0.8)

   superequalizer AVOptions:
       1b     <float>      ..F.A.... set 65Hz band gain (from 0 to 20) (default 1)

       2b     <float>      ..F.A.... set 92Hz band gain (from 0 to 20) (default 1)

       3b     <float>      ..F.A.... set 131Hz band gain (from 0 to 20) (default 1)

       4b     <float>      ..F.A.... set 185Hz band gain (from 0 to 20) (default 1)

       5b     <float>      ..F.A.... set 262Hz band gain (from 0 to 20) (default 1)

       6b     <float>      ..F.A.... set 370Hz band gain (from 0 to 20) (default 1)

       7b     <float>      ..F.A.... set 523Hz band gain (from 0 to 20) (default 1)

       8b     <float>      ..F.A.... set 740Hz band gain (from 0 to 20) (default 1)

       9b     <float>      ..F.A.... set 1047Hz band gain (from 0 to 20) (default 1)

       10b    <float>      ..F.A.... set 1480Hz band gain (from 0 to 20) (default 1)

       11b    <float>      ..F.A.... set 2093Hz band gain (from 0 to 20) (default 1)

       12b    <float>      ..F.A.... set 2960Hz band gain (from 0 to 20) (default 1)

       13b    <float>      ..F.A.... set 4186Hz band gain (from 0 to 20) (default 1)

       14b    <float>      ..F.A.... set 5920Hz band gain (from 0 to 20) (default 1)

       15b    <float>      ..F.A.... set 8372Hz band gain (from 0 to 20) (default 1)

       16b    <float>      ..F.A.... set 11840Hz band gain (from 0 to 20) (default 1)

       17b    <float>      ..F.A.... set 16744Hz band gain (from 0 to 20) (default 1)

       18b    <float>      ..F.A.... set 20000Hz band gain (from 0 to 20) (default 1)

   surround AVOptions:
       chl_out
              <string>     ..F.A.... set output channel layout (default "5.1")

       chl_in <string>     ..F.A.... set input channel layout (default "stereo")

       level_in
              <float>      ..F.A.... set input level (from 0 to 10) (default 1)

       level_out
              <float>      ..F.A.... set output level (from 0 to 10) (default 1)

       lfe    <boolean>    ..F.A.... output LFE (default true)

       lfe_low
              <int>        ..F.A.... LFE low cut off (from 0 to 256) (default 128)

       lfe_high
              <int>        ..F.A.... LFE high cut off (from 0 to 512) (default 256)

       lfe_mode
              <int>        ..F.A.... set LFE channel mode (from 0 to 1) (default add)

       add    ..F.A.... just add LFE channel

       sub    ..F.A.... substract LFE channel with others

       angle  <float>      ..F.A.... set soundfield transform angle (from 0 to 360) (default 90)

       fc_in  <float>      ..F.A.... set front center channel input level (from 0 to 10) (default
              1)

       fc_out <float>       ..F.A....  set  front  center  channel  output  level  (from 0 to 10)
              (default 1)

       fl_in  <float>      ..F.A.... set front left channel input level (from 0 to  10)  (default
              1)

       fl_out <float>       ..F.A.... set front left channel output level (from 0 to 10) (default
              1)

       fr_in  <float>      ..F.A.... set front right channel input level (from 0 to 10)  (default
              1)

       fr_out <float>      ..F.A.... set front right channel output level (from 0 to 10) (default
              1)

       sl_in  <float>      ..F.A.... set side left channel input level (from 0 to 10) (default 1)

       sl_out <float>      ..F.A.... set side left channel output level (from 0 to  10)  (default
              1)

       sr_in  <float>       ..F.A....  set side right channel input level (from 0 to 10) (default
              1)

       sr_out <float>      ..F.A.... set side right channel output level (from 0 to 10)  (default
              1)

       bl_in  <float>      ..F.A.... set back left channel input level (from 0 to 10) (default 1)

       bl_out <float>       ..F.A....  set back left channel output level (from 0 to 10) (default
              1)

       br_in  <float>      ..F.A.... set back right channel input level (from 0 to  10)  (default
              1)

       br_out <float>       ..F.A.... set back right channel output level (from 0 to 10) (default
              1)

       bc_in  <float>      ..F.A.... set back center channel input level (from 0 to 10)  (default
              1)

       bc_out <float>      ..F.A.... set back center channel output level (from 0 to 10) (default
              1)

       lfe_in <float>      ..F.A.... set lfe channel input level (from 0 to 10) (default 1)

       lfe_out
              <float>      ..F.A.... set lfe channel output level (from 0 to 10) (default 1)

       allx   <float>      ..F.A.... set all channel's x spread (from -1 to 15) (default -1)

       ally   <float>      ..F.A.... set all channel's y spread (from -1 to 15) (default -1)

       fcx    <float>      ..F.A.... set front center channel x spread (from 0 to 15) (default 1)

       flx    <float>      ..F.A.... set front left channel x spread (from 0 to 15) (default 1)

       frx    <float>      ..F.A.... set front right channel x spread (from 0 to 15) (default 1)

       blx    <float>      ..F.A.... set back left channel x spread (from 0 to 15) (default 1)

       brx    <float>      ..F.A.... set back right channel x spread (from 0 to 15) (default 1)

       slx    <float>      ..F.A.... set side left channel x spread (from 0 to 15) (default 1)

       srx    <float>      ..F.A.... set side right channel x spread (from 0 to 15) (default 1)

       bcx    <float>      ..F.A.... set back center channel x spread (from 0 to 15) (default 1)

       fcy    <float>      ..F.A.... set front center channel y spread (from 0 to 15) (default 1)

       fly    <float>      ..F.A.... set front left channel y spread (from 0 to 15) (default 1)

       fry    <float>      ..F.A.... set front right channel y spread (from 0 to 15) (default 1)

       bly    <float>      ..F.A.... set back left channel y spread (from 0 to 15) (default 1)

       bry    <float>      ..F.A.... set back right channel y spread (from 0 to 15) (default 1)

       sly    <float>      ..F.A.... set side left channel y spread (from 0 to 15) (default 1)

       sry    <float>      ..F.A.... set side right channel y spread (from 0 to 15) (default 1)

       bcy    <float>      ..F.A.... set back center channel y spread (from 0 to 15) (default 1)

       win_size
              <int>        ..F.A.... set window size (from 1024 to 65536) (default 4096)

       win_func
              <int>        ..F.A.... set window function (from 0 to 19) (default hann)

       rect   ..F.A.... Rectangular

       bartlett
              ..F.A.... Bartlett

       hann   ..F.A.... Hann

       hanning
              ..F.A.... Hanning

       hamming
              ..F.A.... Hamming

       blackman
              ..F.A.... Blackman

       welch  ..F.A.... Welch

       flattop
              ..F.A.... Flat-top

       bharris
              ..F.A.... Blackman-Harris

       bnuttall
              ..F.A.... Blackman-Nuttall

       bhann  ..F.A.... Bartlett-Hann

       sine   ..F.A.... Sine

       nuttall
              ..F.A.... Nuttall

       lanczos
              ..F.A.... Lanczos

       gauss  ..F.A.... Gauss

       tukey  ..F.A.... Tukey

       dolph  ..F.A.... Dolph-Chebyshev

       cauchy ..F.A.... Cauchy

       parzen ..F.A.... Parzen

       poisson
              ..F.A.... Poisson

       bohman ..F.A.... Bohman

       overlap
              <float>      ..F.A.... set window overlap (from 0 to 1) (default 0.5)

   treble AVOptions:
       frequency
              <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       f      <double>     ..F.A.... set central frequency (from 0 to 999999) (default 3000)

       width_type
              <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       t      <int>        ..F.A.... set filter-width type (from 1 to 5) (default q)

       h      ..F.A.... Hz

       q      ..F.A.... Q-Factor

       o      ..F.A.... octave

       s      ..F.A.... slope

       k      ..F.A.... kHz

       width  <double>     ..F.A.... set shelf transition steep (from 0 to 99999) (default 0.5)

       w      <double>     ..F.A.... set shelf transition steep (from 0 to 99999) (default 0.5)

       gain   <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       g      <double>     ..F.A.... set gain (from -900 to 900) (default 0)

       mix    <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       m      <double>     ..F.A.... set mix (from 0 to 1) (default 1)

       channels
              <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

       c      <channel_layout> ..F.A.... set channels to filter (default 0xffffffffffffffff)

   tremolo AVOptions:
       f      <double>     ..F.A.... set frequency in hertz (from 0.1 to 20000) (default 5)

       d      <double>     ..F.A.... set depth as percentage (from 0 to 1) (default 0.5)

   vibrato AVOptions:
       f      <double>     ..F.A.... set frequency in hertz (from 0.1 to 20000) (default 5)

       d      <double>     ..F.A.... set depth as percentage (from 0 to 1) (default 0.5)

   volume AVOptions:
       volume <string>     ..F.A.... set volume adjustment expression (default "1.0")

       precision
              <int>        ..F.A.... select mathematical precision (from 0 to 2) (default float)

       fixed  ..F.A.... select 8-bit fixed-point

       float  ..F.A.... select 32-bit floating-point

       double ..F.A.... select 64-bit floating-point

       eval   <int>        ..F.A.... specify when to evaluate expressions (from 0 to 1)  (default
              once)

       once   ..F.A.... eval volume expression once

       frame  ..F.A.... eval volume expression per-frame

       replaygain
              <int>         ..F.A....  Apply  replaygain  side  data  when  present (from 0 to 3)
              (default drop)

       drop   ..F.A.... replaygain side data is dropped

       ignore ..F.A.... replaygain side data is ignored

       track  ..F.A.... track gain is preferred

       album  ..F.A.... album gain is preferred

       replaygain_preamp <double>
              ..F.A.... Apply replaygain pre-amplification (from -15 to 15) (default 0)

       replaygain_noclip <boolean>
              ..F.A.... Apply replaygain clipping prevention (default true)

   aevalsrc AVOptions:
       exprs  <string>     ..F.A.... set the '|'-separated list of channels expressions

       nb_samples
              <int>        ..F.A.... set the number of samples per requested  frame  (from  0  to
              INT_MAX) (default 1024)

       n      <int>         ..F.A....  set  the  number of samples per requested frame (from 0 to
              INT_MAX) (default 1024)

       sample_rate
              <string>     ..F.A.... set the sample rate (default "44100")

       s      <string>     ..F.A.... set the sample rate (default "44100")

       duration
              <duration>   ..F.A.... set audio duration (default -0.000001)

       d      <duration>   ..F.A.... set audio duration (default -0.000001)

       channel_layout
              <string>     ..F.A.... set channel layout

       c      <string>     ..F.A.... set channel layout

   anoisesrc AVOptions:
       sample_rate
              <int>        ..F.A.... set sample rate (from 15 to INT_MAX) (default 48000)

       r      <int>        ..F.A.... set sample rate (from 15 to INT_MAX) (default 48000)

       amplitude
              <double>     ..F.A.... set amplitude (from 0 to 1) (default 1)

       a      <double>     ..F.A.... set amplitude (from 0 to 1) (default 1)

       duration
              <duration>   ..F.A.... set duration (default 0)

       d      <duration>   ..F.A.... set duration (default 0)

       color  <int>        ..F.A.... set noise color (from 0 to 4) (default white)

       white  ..F.A....

       pink   ..F.A....

       brown  ..F.A....

       blue   ..F.A....

       violet ..F.A....

       colour <int>        ..F.A.... set noise color (from 0 to 4) (default white)

       white  ..F.A....

       pink   ..F.A....

       brown  ..F.A....

       blue   ..F.A....

       violet ..F.A....

       c      <int>        ..F.A.... set noise color (from 0 to 4) (default white)

       white  ..F.A....

       pink   ..F.A....

       brown  ..F.A....

       blue   ..F.A....

       violet ..F.A....

       seed   <int64>      ..F.A.... set random seed (from -1 to UINT32_MAX) (default -1)

       s      <int64>      ..F.A.... set random seed (from -1 to UINT32_MAX) (default -1)

       nb_samples
              <int>        ..F.A.... set the number of samples per requested  frame  (from  1  to
              INT_MAX) (default 1024)

       n      <int>         ..F.A....  set  the  number of samples per requested frame (from 1 to
              INT_MAX) (default 1024)

   anullsrc AVOptions:
       channel_layout
              <string>     ..F.A.... set channel_layout (default "stereo")

       cl     <string>     ..F.A.... set channel_layout (default "stereo")

       sample_rate
              <string>     ..F.A.... set sample rate (default "44100")

       r      <string>     ..F.A.... set sample rate (default "44100")

       nb_samples
              <int>        ..F.A.... set the number of samples per requested  frame  (from  0  to
              INT_MAX) (default 1024)

       n      <int>         ..F.A....  set  the  number of samples per requested frame (from 0 to
              INT_MAX) (default 1024)

   hilbert AVOptions:
       sample_rate
              <int>        ..F.A.... set sample rate (from 1 to INT_MAX) (default 44100)

       r      <int>        ..F.A.... set sample rate (from 1 to INT_MAX) (default 44100)

       taps   <int>        ..F.A.... set number of taps (from 11 to 65535) (default 22051)

       t      <int>        ..F.A.... set number of taps (from 11 to 65535) (default 22051)

       nb_samples
              <int>        ..F.A.... set the number of samples per requested  frame  (from  1  to
              INT_MAX) (default 1024)

       n      <int>         ..F.A....  set  the  number of samples per requested frame (from 1 to
              INT_MAX) (default 1024)

       win_func
              <int>        ..F.A.... set window function (from 0 to 19) (default blackman)

       rect   ..F.A.... Rectangular

       bartlett
              ..F.A.... Bartlett

       hanning
              ..F.A.... Hanning

       hamming
              ..F.A.... Hamming

       blackman
              ..F.A.... Blackman

       welch  ..F.A.... Welch

       flattop
              ..F.A.... Flat-top

       bharris
              ..F.A.... Blackman-Harris

       bnuttall
              ..F.A.... Blackman-Nuttall

       bhann  ..F.A.... Bartlett-Hann

       sine   ..F.A.... Sine

       nuttall
              ..F.A.... Nuttall

       lanczos
              ..F.A.... Lanczos

       gauss  ..F.A.... Gauss

       tukey  ..F.A.... Tukey

       dolph  ..F.A.... Dolph-Chebyshev

       cauchy ..F.A.... Cauchy

       parzen ..F.A.... Parzen

       poisson
              ..F.A.... Poisson

       bohman ..F.A.... Bohman

       w      <int>        ..F.A.... set window function (from 0 to 19) (default blackman)

       rect   ..F.A.... Rectangular

       bartlett
              ..F.A.... Bartlett

       hanning
              ..F.A.... Hanning

       hamming
              ..F.A.... Hamming

       blackman
              ..F.A.... Blackman

       welch  ..F.A.... Welch

       flattop
              ..F.A.... Flat-top

       bharris
              ..F.A.... Blackman-Harris

       bnuttall
              ..F.A.... Blackman-Nuttall

       bhann  ..F.A.... Bartlett-Hann

       sine   ..F.A.... Sine

       nuttall
              ..F.A.... Nuttall

       lanczos
              ..F.A.... Lanczos

       gauss  ..F.A.... Gauss

       tukey  ..F.A.... Tukey

       dolph  ..F.A.... Dolph-Chebyshev

       cauchy ..F.A.... Cauchy

       parzen ..F.A.... Parzen

       poisson
              ..F.A.... Poisson

       bohman ..F.A.... Bohman

   sinc AVOptions:
       sample_rate
              <int>        ..F.A.... set sample rate (from 1 to INT_MAX) (default 44100)

       r      <int>        ..F.A.... set sample rate (from 1 to INT_MAX) (default 44100)

       nb_samples
              <int>        ..F.A.... set the number of samples per requested  frame  (from  1  to
              INT_MAX) (default 1024)

       n      <int>         ..F.A....  set  the  number of samples per requested frame (from 1 to
              INT_MAX) (default 1024)

       hp     <float>      ..F.A.... set high-pass filter frequency (from 0 to INT_MAX)  (default
              0)

       lp     <float>       ..F.A....  set low-pass filter frequency (from 0 to INT_MAX) (default
              0)

       phase  <float>      ..F.A.... set filter phase response (from 0 to 100) (default 50)

       beta   <float>      ..F.A.... set kaiser window beta (from -1 to 256) (default -1)

       att    <float>      ..F.A.... set stop-band attenuation (from 40 to 180) (default 120)

       round  <boolean>    ..F.A.... enable rounding (default false)

       hptaps <int>        ..F.A.... set number of taps for high-pass filter (from  0  to  32768)
              (default 0)

       lptaps <int>         ..F.A....  set  number  of taps for low-pass filter (from 0 to 32768)
              (default 0)

   sine AVOptions:
       frequency
              <double>     ..F.A.... set the sine frequency (from 0 to DBL_MAX) (default 440)

       f      <double>     ..F.A.... set the sine frequency (from 0 to DBL_MAX) (default 440)

       beep_factor
              <double>     ..F.A.... set the beep frequency factor (from 0 to  DBL_MAX)  (default
              0)

       b      <double>      ..F.A....  set the beep frequency factor (from 0 to DBL_MAX) (default
              0)

       sample_rate
              <int>        ..F.A.... set the sample rate (from 1 to INT_MAX) (default 44100)

       r      <int>        ..F.A.... set the sample rate (from 1 to INT_MAX) (default 44100)

       duration
              <duration>   ..F.A.... set the audio duration (default 0)

       d      <duration>   ..F.A.... set the audio duration (default 0)

       samples_per_frame <string>
              ..F.A.... set the number of samples per frame (default "1024")

   amplify AVOptions:
       radius <int>        ..FV..... set radius (from 1 to 63) (default 2)

       factor <float>      ..FV..... set factor (from 0 to 65535) (default 2)

       threshold
              <float>      ..FV..... set threshold (from 0 to 65535) (default 10)

       tolerance
              <float>      ..FV..... set tolerance (from 0 to 65535) (default 0)

       low    <int>        ..FV..... set low limit for amplification (from 0 to  65535)  (default
              65535)

       high   <int>         ..FV..... set high limit for amplification (from 0 to 65535) (default
              65535)

       planes <flags>      ..FV..... set what planes to filter (default 7)

   ass AVOptions:
       filename
              <string>     ..FV..... set the filename of file to read

       f      <string>     ..FV..... set the filename of file to read

       original_size
              <image_size> ..FV..... set the size of the original video (used to scale fonts)

       fontsdir
              <string>     ..FV..... set the directory containing the fonts to read

       alpha  <boolean>    ..FV..... enable processing of alpha channel (default false)

       shaping
              <int>        ..FV..... set shaping engine (from -1 to 1) (default auto)

       auto   ..FV.....

       simple ..FV..... simple shaping

       complex
              ..FV..... complex shaping

   atadenoise AVOptions:
       0a     <float>      ..FV..... set threshold A for 1st plane (from 0 to 0.3) (default 0.02)

       0b     <float>      ..FV..... set threshold B for 1st plane (from 0 to 5) (default 0.04)

       1a     <float>      ..FV..... set threshold A for 2nd plane (from 0 to 0.3) (default 0.02)

       1b     <float>      ..FV..... set threshold B for 2nd plane (from 0 to 5) (default 0.04)

       2a     <float>      ..FV..... set threshold A for 3rd plane (from 0 to 0.3) (default 0.02)

       2b     <float>      ..FV..... set threshold B for 3rd plane (from 0 to 5) (default 0.04)

       s      <int>        ..FV..... set how many frames to use (from 5 to 129) (default 9)

       p      <flags>      ..FV..... set what planes to filter (default 7)

   avgblur AVOptions:
       sizeX  <int>        ..FV..... set horizontal size (from 1 to 1024) (default 1)

       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 15)

       sizeY  <int>        ..FV..... set vertical size (from 0 to 1024) (default 0)

   bbox AVOptions:
       min_val
              <int>        ..FV..... set minimum luminance value for bounding box (from 0 to 254)
              (default 16)

   bench AVOptions:
       action <int>        ..FV..... set action (from 0 to 1) (default start)

       start  ..FV..... start timer

       stop   ..FV..... stop timer

   bitplanenoise AVOptions:
       bitplane
              <int>         ..FV.....  set  bit  plane  to use for measuring noise (from 1 to 16)
              (default 1)

       filter <boolean>    ..FV..... show noisy pixels (default false)

   blackdetect AVOptions:
       d      <double>     ..FV..... set minimum detected black duration in seconds  (from  0  to
              DBL_MAX) (default 2)

       black_min_duration <double>
              ..FV.....  set  minimum  detected  black  duration  in  seconds (from 0 to DBL_MAX)
              (default 2)

       picture_black_ratio_th <double>
              ..FV..... set the picture black ratio threshold (from 0 to 1) (default 0.98)

       pic_th <double>     ..FV..... set the picture black ratio threshold (from 0 to 1) (default
              0.98)

       pixel_black_th
              <double>     ..FV..... set the pixel black threshold (from 0 to 1) (default 0.1)

       pix_th <double>     ..FV..... set the pixel black threshold (from 0 to 1) (default 0.1)

   blackframe AVOptions:
       amount <int>        ..FV..... percentage of the pixels that have to be below the threshold
              for the frame to be considered black (from 0 to 100) (default 98)

       threshold
              <int>        ..FV..... threshold below which a  pixel  value  is  considered  black
              (from 0 to 255) (default 32)

       thresh <int>         ..FV.....  threshold  below  which  a pixel value is considered black
              (from 0 to 255) (default 32)

   blend AVOptions:
       c0_mode
              <int>        ..FV..... set component #0 blend mode (from 0 to 32) (default normal)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       c1_mode
              <int>        ..FV..... set component #1 blend mode (from 0 to 32) (default normal)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       c2_mode
              <int>        ..FV..... set component #2 blend mode (from 0 to 32) (default normal)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       c3_mode
              <int>        ..FV..... set component #3 blend mode (from 0 to 32) (default normal)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       all_mode
              <int>        ..FV..... set blend mode for all components (from -1 to  32)  (default
              -1)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       c0_expr
              <string>     ..FV..... set color component #0 expression

       c1_expr
              <string>     ..FV..... set color component #1 expression

       c2_expr
              <string>     ..FV..... set color component #2 expression

       c3_expr
              <string>     ..FV..... set color component #3 expression

       all_expr
              <string>     ..FV..... set expression for all color components

       c0_opacity
              <double>     ..FV..... set color component #0 opacity (from 0 to 1) (default 1)

       c1_opacity
              <double>     ..FV..... set color component #1 opacity (from 0 to 1) (default 1)

       c2_opacity
              <double>     ..FV..... set color component #2 opacity (from 0 to 1) (default 1)

       c3_opacity
              <double>     ..FV..... set color component #3 opacity (from 0 to 1) (default 1)

       all_opacity
              <double>      ..FV..... set opacity for all color components (from 0 to 1) (default
              1)

   framesync AVOptions:
       eof_action
              <int>        ..FV..... Action to take when encountering EOF  from  secondary  input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       repeatlast
              <boolean>    ..FV..... extend last frame of secondary streams beyond  EOF  (default
              true)

   bm3d AVOptions:
       sigma  <float>      ..FV..... set denoising strength (from 0 to 99999.9) (default 1)

       block  <int>        ..FV..... set log2(size) of local patch (from 4 to 6) (default 4)

       bstep  <int>         ..FV.....  set  sliding  step  for  processing  blocks (from 1 to 64)
              (default 4)

       group  <int>        ..FV..... set maximal  number  of  similar  blocks  (from  1  to  256)
              (default 1)

       range  <int>        ..FV..... set block matching range (from 1 to INT_MAX) (default 9)

       mstep  <int>        ..FV..... set step for block matching (from 1 to 64) (default 1)

       thmse  <float>       ..FV..... set threshold of mean square error for block matching (from
              0 to INT_MAX) (default 0)

       hdthr  <float>      ..FV..... set hard  threshold  for  3D  transfer  domain  (from  0  to
              INT_MAX) (default 2.7)

       estim  <int>        ..FV..... set filtering estimation mode (from 0 to 1) (default basic)

       basic  ..FV..... basic estimate

       final  ..FV..... final estimate

       ref    <int>        ..FV..... have reference stream (from 0 to 1) (default 0)

       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 7)

   boxblur AVOptions:
       luma_radius
              <string>     ..FV..... Radius of the luma blurring box (default "2")

       lr     <string>     ..FV..... Radius of the luma blurring box (default "2")

       luma_power
              <int>        ..FV..... How many times should the boxblur be applied to luma (from 0
              to INT_MAX) (default 2)

       lp     <int>        ..FV..... How many times should the boxblur be applied to luma (from 0
              to INT_MAX) (default 2)

       chroma_radius
              <string>     ..FV..... Radius of the chroma blurring box

       cr     <string>     ..FV..... Radius of the chroma blurring box

       chroma_power
              <int>        ..FV..... How many times should the boxblur be applied to chroma (from
              -1 to INT_MAX) (default -1)

       cp     <int>        ..FV..... How many times should the boxblur be applied to chroma (from
              -1 to INT_MAX) (default -1)

       alpha_radius
              <string>     ..FV..... Radius of the alpha blurring box

       ar     <string>     ..FV..... Radius of the alpha blurring box

       alpha_power
              <int>         ..FV..... How many times should the boxblur be applied to alpha (from
              -1 to INT_MAX) (default -1)

       ap     <int>        ..FV..... How many times should the boxblur be applied to alpha  (from
              -1 to INT_MAX) (default -1)

   bwdif AVOptions:
       mode   <int>         ..FV.....  specify  the  interlacing  mode  (from  0  to  1) (default
              send_field)

       send_frame
              ..FV..... send one frame for each frame

       send_field
              ..FV..... send one frame for each field

       parity <int>        ..FV..... specify the assumed picture field  parity  (from  -1  to  1)
              (default auto)

       tff    ..FV..... assume top field first

       bff    ..FV..... assume bottom field first

       auto   ..FV..... auto detect parity

       deint  <int>         ..FV.....  specify which frames to deinterlace (from 0 to 1) (default
              all)

       all    ..FV..... deinterlace all frames

       interlaced
              ..FV..... only deinterlace frames marked as interlaced

   chromahold AVOptions:
       color  <color>      ..FV..... set the chromahold key color (default "black")

       similarity
              <float>      ..FV..... set  the  chromahold  similarity  value  (from  0.01  to  1)
              (default 0.01)

       blend  <float>      ..FV..... set the chromahold blend value (from 0 to 1) (default 0)

       yuv    <boolean>    ..FV..... color parameter is in yuv instead of rgb (default false)

   chromakey AVOptions:
       color  <color>      ..FV..... set the chromakey key color (default "black")

       similarity
              <float>      ..FV..... set the chromakey similarity value (from 0.01 to 1) (default
              0.01)

       blend  <float>      ..FV..... set the chromakey key blend value (from 0 to 1) (default 0)

       yuv    <boolean>    ..FV..... color parameter is in yuv instead of rgb (default false)

   chromashift AVOptions:
       cbh    <int>        ..FV..... shift chroma-blue horizontally (from -255 to  255)  (default
              0)

       cbv    <int>        ..FV..... shift chroma-blue vertically (from -255 to 255) (default 0)

       crh    <int>        ..FV..... shift chroma-red horizontally (from -255 to 255) (default 0)

       crv    <int>        ..FV..... shift chroma-red vertically (from -255 to 255) (default 0)

       edge   <int>        ..FV..... set edge operation (from 0 to 1) (default smear)

       smear  ..FV.....

       wrap   ..FV.....

   ciescope AVOptions:
       system <int>        ..FV..... set color system (from 0 to 8) (default hdtv)

       ntsc   ..FV..... NTSC 1953 Y'I'O' (ITU-R BT.470 System M)

       470m   ..FV..... NTSC 1953 Y'I'O' (ITU-R BT.470 System M)

       ebu    ..FV..... EBU Y'U'V' (PAL/SECAM) (ITU-R BT.470 System B, G)

       470bg  ..FV..... EBU Y'U'V' (PAL/SECAM) (ITU-R BT.470 System B, G)

       smpte  ..FV..... SMPTE-C RGB

       240m   ..FV..... SMPTE-240M Y'PbPr

       apple  ..FV..... Apple RGB

       widergb
              ..FV..... Adobe Wide Gamut RGB

       cie1931
              ..FV..... CIE 1931 RGB

       hdtv   ..FV..... ITU.BT-709 Y'CbCr

       rec709 ..FV..... ITU.BT-709 Y'CbCr

       uhdtv  ..FV..... ITU-R.BT-2020

       rec2020
              ..FV..... ITU-R.BT-2020

       cie    <int>        ..FV..... set cie system (from 0 to 2) (default xyy)

       xyy    ..FV..... CIE 1931 xyY

       ucs    ..FV..... CIE 1960 UCS

       luv    ..FV..... CIE 1976 Luv

       gamuts <flags>      ..FV..... set what gamuts to draw (default 0)

       ntsc   ..FV.....

       470m   ..FV.....

       ebu    ..FV.....

       470bg  ..FV.....

       smpte  ..FV.....

       240m   ..FV.....

       apple  ..FV.....

       widergb
              ..FV.....

       cie1931
              ..FV.....

       hdtv   ..FV.....

       rec709 ..FV.....

       uhdtv  ..FV.....

       rec2020
              ..FV.....

       size   <int>        ..FV..... set ciescope size (from 256 to 8192) (default 512)

       s      <int>        ..FV..... set ciescope size (from 256 to 8192) (default 512)

       intensity
              <float>      ..FV..... set ciescope intensity (from 0 to 1) (default 0.001)

       i      <float>      ..FV..... set ciescope intensity (from 0 to 1) (default 0.001)

       contrast
              <float>      ..FV..... (from 0 to 1) (default 0.75)

       corrgamma
              <boolean>    ..FV..... (default true)

       showwhite
              <boolean>    ..FV..... (default false)

       gamma  <double>     ..FV..... (from 0.1 to 6) (default 2.6)

   codecview AVOptions:
       mv     <flags>      ..FV..... set motion vectors to visualize (default 0)

       pf     ..FV..... forward predicted MVs of P-frames

       bf     ..FV..... forward predicted MVs of B-frames

       bb     ..FV..... backward predicted MVs of B-frames

       qp     <boolean>    ..FV..... (default false)

       mv_type
              <flags>      ..FV..... set motion vectors type (default 0)

       fp     ..FV..... forward predicted MVs

       bp     ..FV..... backward predicted MVs

       mvt    <flags>      ..FV..... set motion vectors type (default 0)

       fp     ..FV..... forward predicted MVs

       bp     ..FV..... backward predicted MVs

       frame_type
              <flags>      ..FV..... set frame types to visualize motion vectors of (default 0)

       if     ..FV..... I-frames

       pf     ..FV..... P-frames

       bf     ..FV..... B-frames

       ft     <flags>      ..FV..... set frame types to visualize motion vectors of (default 0)

       if     ..FV..... I-frames

       pf     ..FV..... P-frames

       bf     ..FV..... B-frames

   colorbalance AVOptions:
       rs     <double>     ..FV..... set red shadows (from -1 to 1) (default 0)

       gs     <double>     ..FV..... set green shadows (from -1 to 1) (default 0)

       bs     <double>     ..FV..... set blue shadows (from -1 to 1) (default 0)

       rm     <double>     ..FV..... set red midtones (from -1 to 1) (default 0)

       gm     <double>     ..FV..... set green midtones (from -1 to 1) (default 0)

       bm     <double>     ..FV..... set blue midtones (from -1 to 1) (default 0)

       rh     <double>     ..FV..... set red highlights (from -1 to 1) (default 0)

       gh     <double>     ..FV..... set green highlights (from -1 to 1) (default 0)

       bh     <double>     ..FV..... set blue highlights (from -1 to 1) (default 0)

   colorchannelmixer AVOptions:
       rr     <double>     ..FV..... set the red gain for the red channel (from -2 to 2) (default
              1)

       rg     <double>     ..FV..... set the green gain for  the  red  channel  (from  -2  to  2)
              (default 0)

       rb     <double>      ..FV.....  set  the  blue  gain  for  the  red channel (from -2 to 2)
              (default 0)

       ra     <double>     ..FV..... set the alpha gain for  the  red  channel  (from  -2  to  2)
              (default 0)

       gr     <double>      ..FV.....  set  the  red  gain  for  the green channel (from -2 to 2)
              (default 0)

       gg     <double>     ..FV..... set the green gain for the green  channel  (from  -2  to  2)
              (default 1)

       gb     <double>      ..FV.....  set  the  blue  gain  for the green channel (from -2 to 2)
              (default 0)

       ga     <double>     ..FV..... set the alpha gain for the green  channel  (from  -2  to  2)
              (default 0)

       br     <double>      ..FV.....  set  the  red  gain  for  the  blue channel (from -2 to 2)
              (default 0)

       bg     <double>     ..FV..... set the green gain for the  blue  channel  (from  -2  to  2)
              (default 0)

       bb     <double>      ..FV.....  set  the  blue  gain  for  the blue channel (from -2 to 2)
              (default 1)

       ba     <double>     ..FV..... set the alpha gain for the  blue  channel  (from  -2  to  2)
              (default 0)

       ar     <double>      ..FV.....  set  the  red  gain  for  the alpha channel (from -2 to 2)
              (default 0)

       ag     <double>     ..FV..... set the green gain for the alpha  channel  (from  -2  to  2)
              (default 0)

       ab     <double>      ..FV.....  set  the  blue  gain  for the alpha channel (from -2 to 2)
              (default 0)

       aa     <double>     ..FV..... set the alpha gain for the alpha  channel  (from  -2  to  2)
              (default 1)

   colorkey AVOptions:
       color  <color>      ..FV..... set the colorkey key color (default "black")

       similarity
              <float>       ..FV..... set the colorkey similarity value (from 0.01 to 1) (default
              0.01)

       blend  <float>      ..FV..... set the colorkey key blend value (from 0 to 1) (default 0)

   colorhold AVOptions:
       color  <color>      ..FV..... set the colorhold key color (default "black")

       similarity
              <float>      ..FV..... set the colorhold similarity value (from 0.01 to 1) (default
              0.01)

       blend  <float>      ..FV..... set the colorhold blend value (from 0 to 1) (default 0)

   colorlevels AVOptions:
       rimin  <double>     ..FV..... set input red black point (from -1 to 1) (default 0)

       gimin  <double>     ..FV..... set input green black point (from -1 to 1) (default 0)

       bimin  <double>     ..FV..... set input blue black point (from -1 to 1) (default 0)

       aimin  <double>     ..FV..... set input alpha black point (from -1 to 1) (default 0)

       rimax  <double>     ..FV..... set input red white point (from -1 to 1) (default 1)

       gimax  <double>     ..FV..... set input green white point (from -1 to 1) (default 1)

       bimax  <double>     ..FV..... set input blue white point (from -1 to 1) (default 1)

       aimax  <double>     ..FV..... set input alpha white point (from -1 to 1) (default 1)

       romin  <double>     ..FV..... set output red black point (from 0 to 1) (default 0)

       gomin  <double>     ..FV..... set output green black point (from 0 to 1) (default 0)

       bomin  <double>     ..FV..... set output blue black point (from 0 to 1) (default 0)

       aomin  <double>     ..FV..... set output alpha black point (from 0 to 1) (default 0)

       romax  <double>     ..FV..... set output red white point (from 0 to 1) (default 1)

       gomax  <double>     ..FV..... set output green white point (from 0 to 1) (default 1)

       bomax  <double>     ..FV..... set output blue white point (from 0 to 1) (default 1)

       aomax  <double>     ..FV..... set output alpha white point (from 0 to 1) (default 1)

   colormatrix AVOptions:
       src    <int>        ..FV..... set source color matrix (from -1 to 4) (default -1)

       bt709  ..FV..... set BT.709 colorspace

       fcc    ..FV..... set FCC colorspace

       bt601  ..FV..... set BT.601 colorspace

       bt470  ..FV..... set BT.470 colorspace

       bt470bg
              ..FV..... set BT.470 colorspace

       smpte170m
              ..FV..... set SMTPE-170M colorspace

       smpte240m
              ..FV..... set SMPTE-240M colorspace

       bt2020 ..FV..... set BT.2020 colorspace

       dst    <int>        ..FV..... set destination color matrix (from -1 to 4) (default -1)

       bt709  ..FV..... set BT.709 colorspace

       fcc    ..FV..... set FCC colorspace

       bt601  ..FV..... set BT.601 colorspace

       bt470  ..FV..... set BT.470 colorspace

       bt470bg
              ..FV..... set BT.470 colorspace

       smpte170m
              ..FV..... set SMTPE-170M colorspace

       smpte240m
              ..FV..... set SMPTE-240M colorspace

       bt2020 ..FV..... set BT.2020 colorspace

   colorspace AVOptions:
       all    <int>        ..FV..... Set all color properties together (from 0 to 8) (default 0)

       bt470m ..FV.....

       bt470bg
              ..FV.....

       bt601-6-525
              ..FV.....

       bt601-6-625
              ..FV.....

       bt709  ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       bt2020 ..FV.....

       space  <int>        ..FV..... Output colorspace (from 0 to 14) (default 2)

       bt709  ..FV.....

       fcc    ..FV.....

       bt470bg
              ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       ycgco  ..FV.....

       gbr    ..FV.....

       bt2020nc
              ..FV.....

       bt2020ncl
              ..FV.....

       range  <int>        ..FV..... Output color range (from 0 to 2) (default 0)

       tv     ..FV.....

       mpeg   ..FV.....

       pc     ..FV.....

       jpeg   ..FV.....

       primaries
              <int>        ..FV..... Output color primaries (from 0 to 22) (default 2)

       bt709  ..FV.....

       bt470m ..FV.....

       bt470bg
              ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       smpte428
              ..FV.....

       film   ..FV.....

       smpte431
              ..FV.....

       smpte432
              ..FV.....

       bt2020 ..FV.....

       jedec-p22
              ..FV.....

       trc    <int>        ..FV..... Output transfer characteristics (from 0 to 18) (default 2)

       bt709  ..FV.....

       bt470m ..FV.....

       gamma22
              ..FV.....

       bt470bg
              ..FV.....

       gamma28
              ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       srgb   ..FV.....

       iec61966-2-1
              ..FV.....

       xvycc  ..FV.....

       iec61966-2-4
              ..FV.....

       bt2020-10
              ..FV.....

       bt2020-12
              ..FV.....

       format <int>        ..FV..... Output pixel format (from -1 to 164) (default -1)

       yuv420p
              ..FV.....

       yuv420p10
              ..FV.....

       yuv420p12
              ..FV.....

       yuv422p
              ..FV.....

       yuv422p10
              ..FV.....

       yuv422p12
              ..FV.....

       yuv444p
              ..FV.....

       yuv444p10
              ..FV.....

       yuv444p12
              ..FV.....

       fast   <boolean>     ..FV.....  Ignore  primary chromaticity and gamma correction (default
              false)

       dither <int>        ..FV..... Dithering mode (from 0 to 1) (default none)

       none   ..FV.....

       fsb    ..FV.....

       wpadapt
              <int>         ..FV.....  Whitepoint  adaptation  method  (from  0  to  2)  (default
              bradford)

       bradford
              ..FV.....

       vonkries
              ..FV.....

       identity
              ..FV.....

       iall   <int>         ..FV.....  Set  all  input  color  properties  together (from 0 to 8)
              (default 0)

       bt470m ..FV.....

       bt470bg
              ..FV.....

       bt601-6-525
              ..FV.....

       bt601-6-625
              ..FV.....

       bt709  ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       bt2020 ..FV.....

       ispace <int>        ..FV..... Input colorspace (from 0 to 22) (default 2)

       bt709  ..FV.....

       fcc    ..FV.....

       bt470bg
              ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       ycgco  ..FV.....

       gbr    ..FV.....

       bt2020nc
              ..FV.....

       bt2020ncl
              ..FV.....

       irange <int>        ..FV..... Input color range (from 0 to 2) (default 0)

       tv     ..FV.....

       mpeg   ..FV.....

       pc     ..FV.....

       jpeg   ..FV.....

       iprimaries
              <int>        ..FV..... Input color primaries (from 0 to 22) (default 2)

       bt709  ..FV.....

       bt470m ..FV.....

       bt470bg
              ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       smpte428
              ..FV.....

       film   ..FV.....

       smpte431
              ..FV.....

       smpte432
              ..FV.....

       bt2020 ..FV.....

       jedec-p22
              ..FV.....

       itrc   <int>        ..FV..... Input transfer characteristics (from 0 to 18) (default 2)

       bt709  ..FV.....

       bt470m ..FV.....

       gamma22
              ..FV.....

       bt470bg
              ..FV.....

       gamma28
              ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       srgb   ..FV.....

       iec61966-2-1
              ..FV.....

       xvycc  ..FV.....

       iec61966-2-4
              ..FV.....

       bt2020-10
              ..FV.....

       bt2020-12
              ..FV.....

   convolution AVOptions:
       0m     <string>     ..FV..... set matrix for 1st plane (default "0 0 0 0 1 0 0 0 0")

       1m     <string>     ..FV..... set matrix for 2nd plane (default "0 0 0 0 1 0 0 0 0")

       2m     <string>     ..FV..... set matrix for 3rd plane (default "0 0 0 0 1 0 0 0 0")

       3m     <string>     ..FV..... set matrix for 4th plane (default "0 0 0 0 1 0 0 0 0")

       0rdiv  <float>      ..FV..... set rdiv for 1st plane (from 0 to INT_MAX) (default 0)

       1rdiv  <float>      ..FV..... set rdiv for 2nd plane (from 0 to INT_MAX) (default 0)

       2rdiv  <float>      ..FV..... set rdiv for 3rd plane (from 0 to INT_MAX) (default 0)

       3rdiv  <float>      ..FV..... set rdiv for 4th plane (from 0 to INT_MAX) (default 0)

       0bias  <float>      ..FV..... set bias for 1st plane (from 0 to INT_MAX) (default 0)

       1bias  <float>      ..FV..... set bias for 2nd plane (from 0 to INT_MAX) (default 0)

       2bias  <float>      ..FV..... set bias for 3rd plane (from 0 to INT_MAX) (default 0)

       3bias  <float>      ..FV..... set bias for 4th plane (from 0 to INT_MAX) (default 0)

       0mode  <int>        ..FV..... set matrix mode for 1st plane (from 0 to 2) (default square)

       square ..FV..... square matrix

       row    ..FV..... single row matrix

       column ..FV..... single column matrix

       1mode  <int>        ..FV..... set matrix mode for 2nd plane (from 0 to 2) (default square)

       square ..FV..... square matrix

       row    ..FV..... single row matrix

       column ..FV..... single column matrix

       2mode  <int>        ..FV..... set matrix mode for 3rd plane (from 0 to 2) (default square)

       square ..FV..... square matrix

       row    ..FV..... single row matrix

       column ..FV..... single column matrix

       3mode  <int>        ..FV..... set matrix mode for 4th plane (from 0 to 2) (default square)

       square ..FV..... square matrix

       row    ..FV..... single row matrix

       column ..FV..... single column matrix

   convolve AVOptions:
       planes <int>        ..FV..... set planes to convolve (from 0 to 15) (default 7)

       impulse
              <int>        ..FV..... when to process impulses (from 0 to 1) (default all)

       first  ..FV..... process only first impulse, ignore rest

       all    ..FV..... process all impulses

       noise  <float>      ..FV..... set noise (from 0 to 1) (default 1e-07)

   framesync AVOptions:
       eof_action
              <int>        ..FV..... Action to take when encountering EOF  from  secondary  input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       repeatlast
              <boolean>    ..FV..... extend last frame of secondary streams beyond  EOF  (default
              true)

   cover_rect AVOptions:
       cover  <string>     ..FV..... cover bitmap filename

       mode   <int>        ..FV..... set removal mode (from 0 to 1) (default blur)

       cover  ..FV..... cover area with bitmap

       blur   ..FV..... blur area

   crop AVOptions:
       out_w  <string>     ..FV..... set the width crop area expression (default "iw")

       w      <string>     ..FV..... set the width crop area expression (default "iw")

       out_h  <string>     ..FV..... set the height crop area expression (default "ih")

       h      <string>     ..FV..... set the height crop area expression (default "ih")

       x      <string>     ..FV..... set the x crop area expression (default "(in_w-out_w)/2")

       y      <string>     ..FV..... set the y crop area expression (default "(in_h-out_h)/2")

       keep_aspect
              <boolean>    ..FV..... keep aspect ratio (default false)

       exact  <boolean>    ..FV..... do exact cropping (default false)

   cropdetect AVOptions:
       limit  <float>       ..FV..... Threshold below which the pixel is considered black (from 0
              to 65535) (default 0.0941176)

       round  <int>        ..FV..... Value by which the width/height should be divisible (from  0
              to INT_MAX) (default 16)

       reset  <int>         ..FV..... Recalculate the crop area after this many frames (from 0 to
              INT_MAX) (default 0)

       reset_count
              <int>        ..FV..... Recalculate the crop area after this many frames (from 0  to
              INT_MAX) (default 0)

       max_outliers
              <int>        ..FV..... Threshold count of outliers (from 0 to INT_MAX) (default 0)

   cue AVOptions:
       cue    <int64>       ..FVA....  cue  unix  timestamp  in  microseconds (from 0 to I64_MAX)
              (default 0)

       preroll
              <duration>   ..FVA.... preroll duration in seconds (default 0)

       buffer <duration>   ..FVA.... buffer duration in seconds (default 0)

   curves AVOptions:
       preset <int>        ..FV..... select a color curves preset (from 0 to 10) (default none)

       none   ..FV.....

       color_negative
              ..FV.....

       cross_process
              ..FV.....

       darker ..FV.....

       increase_contrast
              ..FV.....

       lighter
              ..FV.....

       linear_contrast
              ..FV.....

       medium_contrast
              ..FV.....

       negative
              ..FV.....

       strong_contrast
              ..FV.....

       vintage
              ..FV.....

       master <string>     ..FV..... set master points coordinates

       m      <string>     ..FV..... set master points coordinates

       red    <string>     ..FV..... set red points coordinates

       r      <string>     ..FV..... set red points coordinates

       green  <string>     ..FV..... set green points coordinates

       g      <string>     ..FV..... set green points coordinates

       blue   <string>     ..FV..... set blue points coordinates

       b      <string>     ..FV..... set blue points coordinates

       all    <string>     ..FV..... set points coordinates for all components

       psfile <string>     ..FV..... set Photoshop curves file name

       plot   <string>     ..FV..... save Gnuplot script of the curves in specified file

   datascope AVOptions:
       size   <image_size> ..FV..... set output size (default "hd720")

       s      <image_size> ..FV..... set output size (default "hd720")

       x      <int>        ..FV..... set x offset (from 0 to INT_MAX) (default 0)

       y      <int>        ..FV..... set y offset (from 0 to INT_MAX) (default 0)

       mode   <int>        ..FV..... set scope mode (from 0 to 2) (default mono)

       mono   ..FV.....

       color  ..FV.....

       color2 ..FV.....

       axis   <boolean>    ..FV..... draw column/row numbers (default false)

       opacity
              <float>      ..FV..... set background opacity (from 0 to 1) (default 0.75)

   dctdnoiz AVOptions:
       sigma  <float>      ..FV..... set noise sigma constant (from 0 to 999) (default 0)

       s      <float>      ..FV..... set noise sigma constant (from 0 to 999) (default 0)

       overlap
              <int>        ..FV..... set number of block  overlapping  pixels  (from  -1  to  15)
              (default -1)

       expr   <string>     ..FV..... set coefficient factor expression

       e      <string>     ..FV..... set coefficient factor expression

       n      <int>        ..FV..... set the block size, expressed in bits (from 3 to 4) (default
              3)

   deband AVOptions:
       1thr   <float>      ..FV..... set 1st plane threshold (from 3e-05 to 0.5) (default 0.02)

       2thr   <float>      ..FV..... set 2nd plane threshold (from 3e-05 to 0.5) (default 0.02)

       3thr   <float>      ..FV..... set 3rd plane threshold (from 3e-05 to 0.5) (default 0.02)

       4thr   <float>      ..FV..... set 4th plane threshold (from 3e-05 to 0.5) (default 0.02)

       range  <int>        ..FV..... set range (from INT_MIN to INT_MAX) (default 16)

       r      <int>        ..FV..... set range (from INT_MIN to INT_MAX) (default 16)

       direction
              <float>      ..FV..... set direction (from -6.28319 to 6.28319) (default 6.28319)

       d      <float>      ..FV..... set direction (from -6.28319 to 6.28319) (default 6.28319)

       blur   <boolean>    ..FV..... set blur (default true)

       b      <boolean>    ..FV..... set blur (default true)

       coupling
              <boolean>    ..FV..... set plane coupling (default false)

       c      <boolean>    ..FV..... set plane coupling (default false)

   deblock AVOptions:
       filter <int>        ..FV..... set type of filter (from 0 to 1) (default strong)

       weak   ..FV.....

       strong ..FV.....

       block  <int>        ..FV..... set size of block (from 4 to 512) (default 8)

       alpha  <float>      ..FV..... set 1st detection threshold (from 0 to 1) (default 0.098)

       beta   <float>      ..FV..... set 2nd detection threshold (from 0 to 1) (default 0.05)

       gamma  <float>      ..FV..... set 3rd detection threshold (from 0 to 1) (default 0.05)

       delta  <float>      ..FV..... set 4th detection threshold (from 0 to 1) (default 0.05)

       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 15)

   decimate AVOptions:
       cycle  <int>        ..FV..... set the number of frame from which one will be dropped (from
              2 to 25) (default 5)

       dupthresh
              <double>     ..FV..... set duplicate threshold (from 0 to 100) (default 1.1)

       scthresh
              <double>     ..FV..... set scene change threshold (from 0 to 100) (default 15)

       blockx <int>         ..FV.....  set  the  size  of  the  x-axis  blocks used during metric
              calculations (from 4 to 512) (default 32)

       blocky <int>        ..FV..... set the  size  of  the  y-axis  blocks  used  during  metric
              calculations (from 4 to 512) (default 32)

       ppsrc  <boolean>     ..FV..... mark main input as a pre-processed input and activate clean
              source input stream (default false)

       chroma <boolean>    ..FV..... set whether or  not  chroma  is  considered  in  the  metric
              calculations (default true)

   deconvolve AVOptions:
       planes <int>        ..FV..... set planes to deconvolve (from 0 to 15) (default 7)

       impulse
              <int>        ..FV..... when to process impulses (from 0 to 1) (default all)

       first  ..FV..... process only first impulse, ignore rest

       all    ..FV..... process all impulses

       noise  <float>      ..FV..... set noise (from 0 to 1) (default 1e-07)

   framesync AVOptions:
       eof_action
              <int>         ..FV.....  Action  to take when encountering EOF from secondary input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       repeatlast
              <boolean>     ..FV.....  extend last frame of secondary streams beyond EOF (default
              true)

   dedot AVOptions:
       m      <flags>      ..FV..... set filtering mode (default dotcrawl+rainbows)

       dotcrawl
              ..FV.....

       rainbows
              ..FV.....

       lt     <float>      ..FV..... set spatial luma threshold (from 0 to 1) (default 0.079)

       tl     <float>      ..FV..... set tolerance for temporal  luma  (from  0  to  1)  (default
              0.079)

       tc     <float>       ..FV.....  set  tolerance for chroma temporal variation (from 0 to 1)
              (default 0.058)

       ct     <float>      ..FV..... set temporal chroma threshold (from 0 to 1) (default 0.019)

   deflate AVOptions:
       threshold0
              <int>        ..FV..... set threshold for 1st  plane  (from  0  to  65535)  (default
              65535)

       threshold1
              <int>         ..FV.....  set  threshold  for  2nd  plane (from 0 to 65535) (default
              65535)

       threshold2
              <int>        ..FV..... set threshold for 3rd  plane  (from  0  to  65535)  (default
              65535)

       threshold3
              <int>         ..FV.....  set  threshold  for  4th  plane (from 0 to 65535) (default
              65535)

   deflicker AVOptions:
       size   <int>        ..FV..... set how many frames to use (from 2 to 129) (default 5)

       s      <int>        ..FV..... set how many frames to use (from 2 to 129) (default 5)

       mode   <int>        ..FV..... set how to smooth luminance (from 0 to 6) (default am)

       am     ..FV..... arithmetic mean

       gm     ..FV..... geometric mean

       hm     ..FV..... harmonic mean

       qm     ..FV..... quadratic mean

       cm     ..FV..... cubic mean

       pm     ..FV..... power mean

       median ..FV..... median

       m      <int>        ..FV..... set how to smooth luminance (from 0 to 6) (default am)

       am     ..FV..... arithmetic mean

       gm     ..FV..... geometric mean

       hm     ..FV..... harmonic mean

       qm     ..FV..... quadratic mean

       cm     ..FV..... cubic mean

       pm     ..FV..... power mean

       median ..FV..... median

       bypass <boolean>    ..FV..... leave frames unchanged (default false)

   deinterlace_vaapi AVOptions:
       mode   <int>        ..FV..... Deinterlacing mode (from 0 to 4) (default default)

       default
              ..FV.....  Use  the  highest-numbered  (and  therefore  possibly   most   advanced)
              deinterlacing algorithm

       bob    ..FV..... Use the bob deinterlacing algorithm

       weave  ..FV..... Use the weave deinterlacing algorithm

       motion_adaptive
              ..FV..... Use the motion adaptive deinterlacing algorithm

       motion_compensated
              ..FV..... Use the motion compensated deinterlacing algorithm

       rate   <int>         ..FV.....  Generate  output at frame rate or field rate (from 1 to 2)
              (default frame)

       frame  ..FV..... Output at frame rate (one frame of output for each field-pair)

       field  ..FV..... Output at field rate (one frame of output for each field)

       auto   <int>        ..FV..... Only deinterlace fields, passing  frames  through  unchanged
              (from 0 to 1) (default 0)

   dejudder AVOptions:
       cycle  <int>         ..FV.....  set the length of the cycle to use for dejuddering (from 2
              to 240) (default 4)

   delogo AVOptions:
       x      <int>        ..FV..... set logo x position (from -1 to INT_MAX) (default -1)

       y      <int>        ..FV..... set logo y position (from -1 to INT_MAX) (default -1)

       w      <int>        ..FV..... set logo width (from -1 to INT_MAX) (default -1)

       h      <int>        ..FV..... set logo height (from -1 to INT_MAX) (default -1)

       show   <boolean>    ..FV..... show delogo area (default false)

   denoise_vaapi AVOptions:
       denoise
              <int>        ..FV..... denoise level (from 0 to 64) (default 0)

   derain AVOptions:
       dnn_backend
              <int>        ..FV..... DNN backend (from 0 to 1) (default native)

       native ..FV..... native backend flag

       model  <string>     ..FV..... path to model file

   deshake AVOptions:
       x      <int>        ..FV..... set x for the rectangular search area (from -1  to  INT_MAX)
              (default -1)

       y      <int>         ..FV.....  set y for the rectangular search area (from -1 to INT_MAX)
              (default -1)

       w      <int>        ..FV..... set width for  the  rectangular  search  area  (from  -1  to
              INT_MAX) (default -1)

       h      <int>         ..FV.....  set  height  for  the  rectangular search area (from -1 to
              INT_MAX) (default -1)

       rx     <int>        ..FV..... set x for  the  rectangular  search  area  (from  0  to  64)
              (default 16)

       ry     <int>         ..FV.....  set  y  for  the  rectangular  search  area (from 0 to 64)
              (default 16)

       edge   <int>        ..FV..... set edge mode (from 0 to 3) (default mirror)

       blank  ..FV..... fill zeroes at blank locations

       original
              ..FV..... original image at blank locations

       clamp  ..FV..... extruded edge value at blank locations

       mirror ..FV..... mirrored edge at blank locations

       blocksize
              <int>        ..FV..... set motion search blocksize (from 4 to 128) (default 8)

       contrast
              <int>        ..FV..... set contrast threshold for blocks (from 1 to  255)  (default
              125)

       search <int>        ..FV..... set search strategy (from 0 to 1) (default exhaustive)

       exhaustive
              ..FV..... exhaustive search

       less   ..FV..... less exhaustive search

       filename
              <string>     ..FV..... set motion search detailed log file name

       opencl <boolean>    ..FV..... ignored (default false)

   despill AVOptions:
       type   <int>        ..FV..... set the screen type (from 0 to 1) (default green)

       green  ..FV..... greenscreen

       blue   ..FV..... bluescreen

       mix    <float>      ..FV..... set the spillmap mix (from 0 to 1) (default 0.5)

       expand <float>      ..FV..... set the spillmap expand (from 0 to 1) (default 0)

       red    <float>      ..FV..... set red scale (from -100 to 100) (default 0)

       green  <float>      ..FV..... set green scale (from -100 to 100) (default -1)

       blue   <float>      ..FV..... set blue scale (from -100 to 100) (default 0)

       brightness
              <float>      ..FV..... set brightness (from -10 to 10) (default 0)

       alpha  <boolean>    ..FV..... change alpha component (default false)

   detelecine AVOptions:
       first_field
              <int>        ..FV..... select first field (from 0 to 1) (default top)

       top    ..FV..... select top field first

       t      ..FV..... select top field first

       bottom ..FV..... select bottom field first

       b      ..FV..... select bottom field first

       pattern
              <string>      ..FV.....  pattern that describe for how many fields a frame is to be
              displayed (default "23")

       start_frame
              <int>        ..FV..... position of first frame  with  respect  to  the  pattern  if
              stream is cut (from 0 to 13) (default 0)

   dilation AVOptions:
       threshold0
              <int>         ..FV.....  set  threshold  for  1st  plane (from 0 to 65535) (default
              65535)

       threshold1
              <int>        ..FV..... set threshold for 2nd  plane  (from  0  to  65535)  (default
              65535)

       threshold2
              <int>         ..FV.....  set  threshold  for  3rd  plane (from 0 to 65535) (default
              65535)

       threshold3
              <int>        ..FV..... set threshold for 4th  plane  (from  0  to  65535)  (default
              65535)

       coordinates
              <int>        ..FV..... set coordinates (from 0 to 255) (default 255)

   displace AVOptions:
       edge   <int>        ..FV..... set edge mode (from 0 to 3) (default smear)

       blank  ..FV.....

       smear  ..FV.....

       wrap   ..FV.....

       mirror ..FV.....

   doubleweave AVOptions:
       first_field
              <int>        ..FV..... set first field (from 0 to 1) (default top)

       top    ..FV..... set top field first

       t      ..FV..... set top field first

       bottom ..FV..... set bottom field first

       b      ..FV..... set bottom field first

   drawbox AVOptions:
       x      <string>     ..FV..... set horizontal position of the left box edge (default "0")

       y      <string>     ..FV..... set vertical position of the top box edge (default "0")

       width  <string>     ..FV..... set width of the box (default "0")

       w      <string>     ..FV..... set width of the box (default "0")

       height <string>     ..FV..... set height of the box (default "0")

       h      <string>     ..FV..... set height of the box (default "0")

       color  <string>     ..FV..... set color of the box (default "black")

       c      <string>     ..FV..... set color of the box (default "black")

       thickness
              <string>     ..FV..... set the box thickness (default "3")

       t      <string>     ..FV..... set the box thickness (default "3")

       replace
              <boolean>    ..FV..... replace color & alpha (default false)

   drawgraph AVOptions:
       m1     <string>     ..FV..... set 1st metadata key (default "")

       fg1    <string>     ..FV..... set 1st foreground color expression (default "0xffff0000")

       m2     <string>     ..FV..... set 2nd metadata key (default "")

       fg2    <string>     ..FV..... set 2nd foreground color expression (default "0xff00ff00")

       m3     <string>     ..FV..... set 3rd metadata key (default "")

       fg3    <string>     ..FV..... set 3rd foreground color expression (default "0xffff00ff")

       m4     <string>     ..FV..... set 4th metadata key (default "")

       fg4    <string>     ..FV..... set 4th foreground color expression (default "0xffffff00")

       bg     <color>      ..FV..... set background color (default "white")

       min    <float>      ..FV..... set minimal value (from INT_MIN to INT_MAX) (default -1)

       max    <float>      ..FV..... set maximal value (from INT_MIN to INT_MAX) (default 1)

       mode   <int>        ..FV..... set graph mode (from 0 to 2) (default line)

       bar    ..FV..... draw bars

       dot    ..FV..... draw dots

       line   ..FV..... draw lines

       slide  <int>        ..FV..... set slide mode (from 0 to 4) (default frame)

       frame  ..FV..... draw new frames

       replace
              ..FV..... replace old columns with new

       scroll ..FV..... scroll from right to left

       rscroll
              ..FV..... scroll from left to right

       picture
              ..FV..... display graph in single frame

       size   <image_size> ..FV..... set graph size (default "900x256")

       s      <image_size> ..FV..... set graph size (default "900x256")

   drawgrid AVOptions:
       x      <string>     ..FV..... set horizontal offset (default "0")

       y      <string>     ..FV..... set vertical offset (default "0")

       width  <string>     ..FV..... set width of grid cell (default "0")

       w      <string>     ..FV..... set width of grid cell (default "0")

       height <string>     ..FV..... set height of grid cell (default "0")

       h      <string>     ..FV..... set height of grid cell (default "0")

       color  <string>     ..FV..... set color of the grid (default "black")

       c      <string>     ..FV..... set color of the grid (default "black")

       thickness
              <string>     ..FV..... set grid line thickness (default "1")

       t      <string>     ..FV..... set grid line thickness (default "1")

       replace
              <boolean>    ..FV..... replace color & alpha (default false)

   edgedetect AVOptions:
       high   <double>     ..FV..... set high threshold (from 0 to 1) (default 0.196078)

       low    <double>     ..FV..... set low threshold (from 0 to 1) (default 0.0784314)

       mode   <int>        ..FV..... set mode (from 0 to 2) (default wires)

       wires  ..FV..... white/gray wires on black

       colormix
              ..FV..... mix colors

       canny  ..FV..... detect edges on planes

       planes <flags>      ..FV..... set planes to filter (default y+u+v+r+g+b)

       y      ..FV..... filter luma plane

       u      ..FV..... filter u plane

       v      ..FV..... filter v plane

       r      ..FV..... filter red plane

       g      ..FV..... filter green plane

       b      ..FV..... filter blue plane

   elbg AVOptions:
       codebook_length
              <int>        ..FV..... set codebook length (from 1 to INT_MAX) (default 256)

       l      <int>        ..FV..... set codebook length (from 1 to INT_MAX) (default 256)

       nb_steps
              <int>         ..FV..... set max number of steps used to compute the mapping (from 1
              to INT_MAX) (default 1)

       n      <int>        ..FV..... set max number of steps used to compute the mapping (from  1
              to INT_MAX) (default 1)

       seed   <int>        ..FV..... set the random seed (from -1 to UINT32_MAX) (default -1)

       s      <int>        ..FV..... set the random seed (from -1 to UINT32_MAX) (default -1)

       pal8   <boolean>    ..FV..... set the pal8 output (default false)

   entropy AVOptions:
       mode   <int>         ..FV.....  set  kind  of  histogram entropy measurement (from 0 to 1)
              (default normal)

       normal ..FV.....

       diff   ..FV.....

   eq AVOptions:
       contrast
              <string>     ..FV..... set the contrast adjustment, negative values give a negative
              image (default "1.0")

       brightness
              <string>     ..FV..... set the brightness adjustment (default "0.0")

       saturation
              <string>     ..FV..... set the saturation adjustment (default "1.0")

       gamma  <string>     ..FV..... set the initial gamma value (default "1.0")

       gamma_r
              <string>     ..FV..... gamma value for red (default "1.0")

       gamma_g
              <string>     ..FV..... gamma value for green (default "1.0")

       gamma_b
              <string>     ..FV..... gamma value for blue (default "1.0")

       gamma_weight
              <string>      ..FV.....  set  the gamma weight which reduces the effect of gamma on
              bright areas (default "1.0")

       eval   <int>        ..FV..... specify when to evaluate expressions (from 0 to 1)  (default
              init)

       init   ..FV..... eval expressions once during initialization

       frame  ..FV..... eval expressions per-frame

   erosion AVOptions:
       threshold0
              <int>         ..FV.....  set  threshold  for  1st  plane (from 0 to 65535) (default
              65535)

       threshold1
              <int>        ..FV..... set threshold for 2nd  plane  (from  0  to  65535)  (default
              65535)

       threshold2
              <int>         ..FV.....  set  threshold  for  3rd  plane (from 0 to 65535) (default
              65535)

       threshold3
              <int>        ..FV..... set threshold for 4th  plane  (from  0  to  65535)  (default
              65535)

       coordinates
              <int>        ..FV..... set coordinates (from 0 to 255) (default 255)

   extractplanes AVOptions:
       planes <flags>      ..FV..... set planes (default r)

       y      ..FV..... set luma plane

       u      ..FV..... set u plane

       v      ..FV..... set v plane

       r      ..FV..... set red plane

       g      ..FV..... set green plane

       b      ..FV..... set blue plane

       a      ..FV..... set alpha plane

   fade AVOptions:
       type   <int>         ..FV.....  'in'  or 'out' for fade-in/fade-out (from 0 to 1) (default
              in)

       t      <int>        ..FV..... 'in' or 'out' for fade-in/fade-out (from 0  to  1)  (default
              in)

       start_frame
              <int>         ..FV.....  Number  of  the  first frame to which to apply the effect.
              (from 0 to INT_MAX) (default 0)

       s      <int>        ..FV..... Number of the first frame to  which  to  apply  the  effect.
              (from 0 to INT_MAX) (default 0)

       nb_frames
              <int>         ..FV.....  Number  of  frames  to which the effect should be applied.
              (from 0 to INT_MAX) (default 25)

       n      <int>        ..FV..... Number of frames to which  the  effect  should  be  applied.
              (from 0 to INT_MAX) (default 25)

       alpha  <boolean>    ..FV..... fade alpha if it is available on the input (default false)

       start_time
              <duration>    ..FV.....  Number of seconds of the beginning of the effect. (default
              0)

       st     <duration>   ..FV..... Number of seconds of the beginning of the  effect.  (default
              0)

       duration
              <duration>   ..FV..... Duration of the effect in seconds. (default 0)

       d      <duration>   ..FV..... Duration of the effect in seconds. (default 0)

       color  <color>      ..FV..... set color (default "black")

       c      <color>      ..FV..... set color (default "black")

   fftdnoiz AVOptions:
       sigma  <float>      ..FV..... set denoise strength (from 0 to 30) (default 1)

       amount <float>      ..FV..... set amount of denoising (from 0.01 to 1) (default 1)

       block  <int>        ..FV..... set block log2(size) (from 3 to 6) (default 4)

       overlap
              <float>      ..FV..... set block overlap (from 0.2 to 0.8) (default 0.5)

       prev   <int>        ..FV..... set number of previous frames for temporal denoising (from 0
              to 1) (default 0)

       next   <int>        ..FV..... set number of next frames for temporal denoising (from 0  to
              1) (default 0)

       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 7)

   fftfilt AVOptions:
       dc_Y   <int>        ..FV..... adjust gain in Y plane (from 0 to 1000) (default 0)

       dc_U   <int>        ..FV..... adjust gain in U plane (from 0 to 1000) (default 0)

       dc_V   <int>        ..FV..... adjust gain in V plane (from 0 to 1000) (default 0)

       weight_Y
              <string>     ..FV..... set luminance expression in Y plane (default "1")

       weight_U
              <string>     ..FV..... set chrominance expression in U plane

       weight_V
              <string>     ..FV..... set chrominance expression in V plane

       eval   <int>         ..FV..... specify when to evaluate expressions (from 0 to 1) (default
              init)

       init   ..FV..... eval expressions once during initialization

       frame  ..FV..... eval expressions per-frame

   field AVOptions:
       type   <int>        ..FV..... set field type (top or bottom) (from 0 to 1) (default top)

       top    ..FV..... select top field

       bottom ..FV..... select bottom field

   fieldhint AVOptions:
       hint   <string>     ..FV..... set hint file

       mode   <int>        ..FV..... set hint mode (from 0 to 1) (default absolute)

       absolute
              ..FV.....

       relative
              ..FV.....

   fieldmatch AVOptions:
       order  <int>        ..FV..... specify the assumed field order  (from  -1  to  1)  (default
              auto)

       auto   ..FV..... auto detect parity

       bff    ..FV..... assume bottom field first

       tff    ..FV..... assume top field first

       mode   <int>         ..FV.....  set  the  matching  mode  or strategy to use (from 0 to 5)
              (default pc_n)

       pc     ..FV..... 2-way match (p/c)

       pc_n   ..FV..... 2-way match + 3rd match on combed (p/c + u)

       pc_u   ..FV..... 2-way match + 3rd match (same order) on combed (p/c + u)

       pc_n_ub
              ..FV..... 2-way match + 3rd match on combed + 4th/5th matches if still combed  (p/c
              + u + u/b)

       pcn    ..FV..... 3-way match (p/c/n)

       pcn_ub ..FV..... 3-way match + 4th/5th matches on combed (p/c/n + u/b)

       ppsrc  <boolean>     ..FV..... mark main input as a pre-processed input and activate clean
              source input stream (default false)

       field  <int>        ..FV..... set the field to match from (from -1 to 1) (default auto)

       auto   ..FV..... automatic (same value as 'order')

       bottom ..FV..... bottom field

       top    ..FV..... top field

       mchroma
              <boolean>    ..FV..... set whether or not  chroma  is  included  during  the  match
              comparisons (default true)

       y0     <int>        ..FV..... define an exclusion band which excludes the lines between y0
              and y1 from the field matching decision (from 0 to INT_MAX) (default 0)

       y1     <int>        ..FV..... define an exclusion band which excludes the lines between y0
              and y1 from the field matching decision (from 0 to INT_MAX) (default 0)

       scthresh
              <double>      ..FV.....  set  scene  change  detection  threshold  (from  0 to 100)
              (default 12)

       combmatch
              <int>        ..FV..... set combmatching mode (from 0 to 2) (default sc)

       none   ..FV..... disable combmatching

       sc     ..FV..... enable combmatching only on scene change

       full   ..FV..... enable combmatching all the time

       combdbg
              <int>        ..FV..... enable comb debug (from 0 to 2) (default none)

       none   ..FV..... no forced calculation

       pcn    ..FV..... calculate p/c/n

       pcnub  ..FV..... calculate p/c/n/u/b

       cthresh
              <int>        ..FV..... set  the  area  combing  threshold  used  for  combed  frame
              detection (from -1 to 255) (default 9)

       chroma <boolean>     ..FV..... set whether or not chroma is considered in the combed frame
              decision (default false)

       blockx <int>        ..FV..... set the x-axis size of the window used during  combed  frame
              detection (from 4 to 512) (default 16)

       blocky <int>         ..FV.....  set the y-axis size of the window used during combed frame
              detection (from 4 to 512) (default 16)

       combpel
              <int>        ..FV..... set the number of combed pixels inside any of the blocky  by
              blockx  size  blocks on the frame for the frame to be detected as combed (from 0 to
              INT_MAX) (default 80)

   fieldorder AVOptions:
       order  <int>        ..FV..... output field order (from 0 to 1) (default tff)

       bff    ..FV..... bottom field first

       tff    ..FV..... top field first

   fillborders AVOptions:
       left   <int>        ..FV..... set the left fill border (from 0 to INT_MAX) (default 0)

       right  <int>        ..FV..... set the right fill border (from 0 to INT_MAX) (default 0)

       top    <int>        ..FV..... set the top fill border (from 0 to INT_MAX) (default 0)

       bottom <int>        ..FV..... set the bottom fill border (from 0 to INT_MAX) (default 0)

       mode   <int>        ..FV..... set the fill borders mode (from 0 to 2) (default smear)

       smear  ..FV.....

       mirror ..FV.....

       fixed  ..FV.....

       color  <color>      ..FV..... set the color for the fixed mode (default "black")

   find_rect AVOptions:
       object <string>     ..FV..... object bitmap filename

       threshold
              <float>      ..FV..... set threshold (from 0 to 1) (default 0.5)

       mipmaps
              <int>        ..FV..... set mipmaps (from 1 to 5) (default 3)

       xmin   <int>        ..FV.....  (from 0 to INT_MAX) (default 0)

       ymin   <int>        ..FV.....  (from 0 to INT_MAX) (default 0)

       xmax   <int>        ..FV.....  (from 0 to INT_MAX) (default 0)

       ymax   <int>        ..FV.....  (from 0 to INT_MAX) (default 0)

   floodfill AVOptions:
       x      <int>        ..FV..... set pixel x coordinate (from 0 to 65535) (default 0)

       y      <int>        ..FV..... set pixel y coordinate (from 0 to 65535) (default 0)

       s0     <int>        ..FV..... set source #0 component value (from -1 to 65535) (default 0)

       s1     <int>        ..FV..... set source #1 component value (from -1 to 65535) (default 0)

       s2     <int>        ..FV..... set source #2 component value (from -1 to 65535) (default 0)

       s3     <int>        ..FV..... set source #3 component value (from -1 to 65535) (default 0)

       d0     <int>        ..FV..... set  destination  #0  component  value  (from  0  to  65535)
              (default 0)

       d1     <int>         ..FV.....  set  destination  #1  component  value  (from  0 to 65535)
              (default 0)

       d2     <int>        ..FV..... set  destination  #2  component  value  (from  0  to  65535)
              (default 0)

       d3     <int>         ..FV.....  set  destination  #3  component  value  (from  0 to 65535)
              (default 0)

   format AVOptions:
       pix_fmts
              <string>     ..FV..... A '|'-separated list of pixel formats

   fps AVOptions:
       fps    <video_rate> ..FV..... A string describing desired output framerate (default "25")

       start_time
              <double>     ..FV..... Assume the first PTS should be this value. (from -DBL_MAX to
              DBL_MAX) (default DBL_MAX)

       round  <int>         ..FV.....  set  rounding method for timestamps (from 0 to 5) (default
              near)

       zero   ..FV..... round towards 0

       inf    ..FV..... round away from 0

       down   ..FV..... round towards -infty

       up     ..FV..... round towards +infty

       near   ..FV..... round to nearest

       eof_action
              <int>        ..FV..... action performed for last  frame  (from  0  to  1)  (default
              round)

       round  ..FV..... round similar to other frames

       pass   ..FV..... pass through last frame

       framepack AVOptions:

   framerate AVOptions:
       fps    <video_rate> ..FV..... required output frames per second rate (default "50")

       interp_start
              <int>        ..FV..... point to start linear interpolation (from 0 to 255) (default
              15)

       interp_end
              <int>        ..FV..... point to end linear interpolation (from 0 to  255)  (default
              240)

       scene  <double>     ..FV..... scene change level (from 0 to INT_MAX) (default 8.2)

       flags  <flags>      ..FV..... set flags (default scene_change_detect+scd)

       scene_change_detect
              ..FV..... enable scene change detection

       scd    ..FV..... enable scene change detection

   framestep AVOptions:
       step   <int>        ..FV..... set frame step (from 1 to INT_MAX) (default 1)

   freezedetect AVOptions:
       n      <double>     ..FV..... set noise tolerance (from 0 to 1) (default 0.001)

       noise  <double>     ..FV..... set noise tolerance (from 0 to 1) (default 0.001)

       d      <duration>   ..FV..... set minimum duration in seconds (default 2)

       duration
              <duration>   ..FV..... set minimum duration in seconds (default 2)

   fspp AVOptions:
       quality
              <int>        ..FV..... set quality (from 4 to 5) (default 4)

       qp     <int>        ..FV..... force a constant quantizer parameter (from 0 to 64) (default
              0)

       strength
              <int>        ..FV..... set filter strength (from -15 to 32) (default 0)

       use_bframe_qp
              <boolean>    ..FV..... use B-frames' QP (default false)

   gblur AVOptions:
       sigma  <float>      ..FV..... set sigma (from 0 to 1024) (default 0.5)

       steps  <int>        ..FV..... set number of steps (from 1 to 6) (default 1)

       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 15)

       sigmaV <float>      ..FV..... set vertical sigma (from -1 to 1024) (default -1)

   geq AVOptions:
       lum_expr
              <string>     ..FV..... set luminance expression

       lum    <string>     ..FV..... set luminance expression

       cb_expr
              <string>     ..FV..... set chroma blue expression

       cb     <string>     ..FV..... set chroma blue expression

       cr_expr
              <string>     ..FV..... set chroma red expression

       cr     <string>     ..FV..... set chroma red expression

       alpha_expr
              <string>     ..FV..... set alpha expression

       a      <string>     ..FV..... set alpha expression

       red_expr
              <string>     ..FV..... set red expression

       r      <string>     ..FV..... set red expression

       green_expr
              <string>     ..FV..... set green expression

       g      <string>     ..FV..... set green expression

       blue_expr
              <string>     ..FV..... set blue expression

       b      <string>     ..FV..... set blue expression

   gradfun AVOptions:
       strength
              <float>      ..FV..... The maximum amount by which the filter will change  any  one
              pixel. (from 0.51 to 64) (default 1.2)

       radius <int>         ..FV.....  The  neighborhood  to  fit the gradient to. (from 4 to 32)
              (default 16)

   graphmonitor AVOptions:
       size   <image_size> ..FV..... set monitor size (default "hd720")

       s      <image_size> ..FV..... set monitor size (default "hd720")

       opacity
              <float>      ..FV..... set video opacity (from 0 to 1) (default 0.9)

       o      <float>      ..FV..... set video opacity (from 0 to 1) (default 0.9)

       mode   <int>        ..FV..... set mode (from 0 to 1) (default full)

       full   ..FV.....

       compact
              ..FV.....

       m      <int>        ..FV..... set mode (from 0 to 1) (default full)

       full   ..FV.....

       compact
              ..FV.....

       flags  <flags>      ..FV..... set flags (default queue)

       queue  ..FV.....

       frame_count_in
              ..FV.....

       frame_count_out
              ..FV.....

       pts    ..FV.....

       time   ..FV.....

       timebase
              ..FV.....

       format ..FV.....

       size   ..FV.....

       rate   ..FV.....

       f      <flags>      ..FV..... set flags (default queue)

       queue  ..FV.....

       frame_count_in
              ..FV.....

       frame_count_out
              ..FV.....

       pts    ..FV.....

       time   ..FV.....

       timebase
              ..FV.....

       format ..FV.....

       size   ..FV.....

       rate   ..FV.....

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

   greyedge AVOptions:
       difford
              <int>        ..FV..... set differentiation order (from 0 to 2) (default 1)

       minknorm
              <int>        ..FV..... set Minkowski norm (from 0 to 20) (default 1)

       sigma  <double>     ..FV..... set sigma (from 0 to 1024) (default 1)

   haldclut AVOptions:
       interp <int>         ..FV.....  select  interpolation  mode  (from  0   to   2)   (default
              tetrahedral)

       nearest
              ..FV..... use values from the nearest defined points

       trilinear
              ..FV..... interpolate values using the 8 points defining a cube

       tetrahedral
              ..FV..... interpolate values using a tetrahedron

   framesync AVOptions:
       eof_action
              <int>         ..FV.....  Action  to take when encountering EOF from secondary input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       repeatlast
              <boolean>     ..FV.....  extend last frame of secondary streams beyond EOF (default
              true)

       hflip AVOptions:

   histeq AVOptions:
       strength
              <float>      ..FV..... set the strength (from 0 to 1) (default 0.2)

       intensity
              <float>      ..FV..... set the intensity (from 0 to 1) (default 0.21)

       antibanding
              <int>        ..FV..... set the antibanding level (from 0 to 2) (default none)

       none   ..FV..... apply no antibanding

       weak   ..FV..... apply weak antibanding

       strong ..FV..... apply strong antibanding

   histogram AVOptions:
       level_height
              <int>        ..FV..... set level height (from 50 to 2048) (default 200)

       scale_height
              <int>        ..FV..... set scale height (from 0 to 40) (default 12)

       display_mode
              <int>        ..FV..... set display mode (from 0 to 2) (default stack)

       overlay
              ..FV.....

       parade ..FV.....

       stack  ..FV.....

       d      <int>        ..FV..... set display mode (from 0 to 2) (default stack)

       overlay
              ..FV.....

       parade ..FV.....

       stack  ..FV.....

       levels_mode
              <int>        ..FV..... set levels mode (from 0 to 1) (default linear)

       linear ..FV.....

       logarithmic
              ..FV.....

       m      <int>        ..FV..... set levels mode (from 0 to 1) (default linear)

       linear ..FV.....

       logarithmic
              ..FV.....

       components
              <int>        ..FV..... set color components to display (from 1 to 15) (default 7)

       c      <int>        ..FV..... set color components to display (from 1 to 15) (default 7)

       fgopacity
              <float>      ..FV..... set foreground opacity (from 0 to 1) (default 0.7)

       f      <float>      ..FV..... set foreground opacity (from 0 to 1) (default 0.7)

       bgopacity
              <float>      ..FV..... set background opacity (from 0 to 1) (default 0.5)

       b      <float>      ..FV..... set background opacity (from 0 to 1) (default 0.5)

   hqdn3d AVOptions:
       luma_spatial
              <double>     ..FV..... spatial luma strength (from 0 to DBL_MAX) (default 0)

       chroma_spatial
              <double>     ..FV..... spatial chroma strength (from 0 to DBL_MAX) (default 0)

       luma_tmp
              <double>     ..FV..... temporal luma strength (from 0 to DBL_MAX) (default 0)

       chroma_tmp
              <double>     ..FV..... temporal chroma strength (from 0 to DBL_MAX) (default 0)

   hqx AVOptions:
       n      <int>        ..FV..... set scale factor (from 2 to 4) (default 3)

   hstack AVOptions:
       inputs <int>        ..FV..... set number of inputs (from 2 to INT_MAX) (default 2)

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

   hue AVOptions:
       h      <string>     ..FV..... set the hue angle degrees expression

       s      <string>     ..FV..... set the saturation expression (default "1")

       H      <string>     ..FV..... set the hue angle radians expression

       b      <string>     ..FV..... set the brightness expression (default "0")

   hwmap AVOptions:
       mode   <flags>      ..FV..... Frame mapping mode (default read+write)

       read   ..FV..... Mapping should be readable

       write  ..FV..... Mapping should be writeable

       overwrite
              ..FV..... Mapping will always overwrite the entire frame

       direct ..FV..... Mapping should not involve any copying

       derive_device
              <string>     ..FV..... Derive a new device of this type

       reverse
              <int>         ..FV..... Map in reverse (create and allocate in the sink) (from 0 to
              1) (default 0)

   cudaupload AVOptions:
       device <int>        ..FV..... Number of the device to use (from 0 to INT_MAX) (default 0)

   hysteresis AVOptions:
       planes <int>        ..FV..... set planes (from 0 to 15) (default 15)

       threshold
              <int>        ..FV..... set threshold (from 0 to 65535) (default 0)

   framesync AVOptions:
       eof_action
              <int>        ..FV..... Action to take when encountering EOF  from  secondary  input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       repeatlast
              <boolean>    ..FV..... extend last frame of secondary streams beyond  EOF  (default
              true)

   idet AVOptions:
       intl_thres
              <float>       ..FV.....  set  interlacing  threshold  (from -1 to FLT_MAX) (default
              1.04)

       prog_thres
              <float>      ..FV..... set progressive threshold (from -1 to FLT_MAX) (default 1.5)

       rep_thres
              <float>      ..FV..... set repeat threshold (from -1 to FLT_MAX) (default 3)

       half_life
              <float>      ..FV..... half life of cumulative  statistics  (from  -1  to  INT_MAX)
              (default 0)

       analyze_interlaced_flag <int>
              ..FV.....  set  number  of  frames  to  use  to  determine if the interlace flag is
              accurate (from 0 to INT_MAX) (default 0)

   il AVOptions:
       luma_mode
              <int>        ..FV..... select luma mode (from 0 to 2) (default none)

       none   ..FV.....

       interleave
              ..FV.....

       i      ..FV.....

       deinterleave
              ..FV.....

       d      ..FV.....

       l      <int>        ..FV..... select luma mode (from 0 to 2) (default none)

       none   ..FV.....

       interleave
              ..FV.....

       i      ..FV.....

       deinterleave
              ..FV.....

       d      ..FV.....

       chroma_mode
              <int>        ..FV..... select chroma mode (from 0 to 2) (default none)

       none   ..FV.....

       interleave
              ..FV.....

       i      ..FV.....

       deinterleave
              ..FV.....

       d      ..FV.....

       c      <int>        ..FV..... select chroma mode (from 0 to 2) (default none)

       none   ..FV.....

       interleave
              ..FV.....

       i      ..FV.....

       deinterleave
              ..FV.....

       d      ..FV.....

       alpha_mode
              <int>        ..FV..... select alpha mode (from 0 to 2) (default none)

       none   ..FV.....

       interleave
              ..FV.....

       i      ..FV.....

       deinterleave
              ..FV.....

       d      ..FV.....

       a      <int>        ..FV..... select alpha mode (from 0 to 2) (default none)

       none   ..FV.....

       interleave
              ..FV.....

       i      ..FV.....

       deinterleave
              ..FV.....

       d      ..FV.....

       luma_swap
              <boolean>    ..FV..... swap luma fields (default false)

       ls     <boolean>    ..FV..... swap luma fields (default false)

       chroma_swap
              <boolean>    ..FV..... swap chroma fields (default false)

       cs     <boolean>    ..FV..... swap chroma fields (default false)

       alpha_swap
              <boolean>    ..FV..... swap alpha fields (default false)

       as     <boolean>    ..FV..... swap alpha fields (default false)

   inflate AVOptions:
       threshold0
              <int>        ..FV..... set threshold for 1st  plane  (from  0  to  65535)  (default
              65535)

       threshold1
              <int>         ..FV.....  set  threshold  for  2nd  plane (from 0 to 65535) (default
              65535)

       threshold2
              <int>        ..FV..... set threshold for 3rd  plane  (from  0  to  65535)  (default
              65535)

       threshold3
              <int>         ..FV.....  set  threshold  for  4th  plane (from 0 to 65535) (default
              65535)

   interlace AVOptions:
       scan   <int>        ..FV..... scanning mode (from 0 to 1) (default tff)

       tff    ..FV..... top field first

       bff    ..FV..... bottom field first

       lowpass
              <flags>      ..FV..... set vertical low-pass filter (default linear)

       off    ..FV..... disable vertical low-pass filter

       linear ..FV..... linear vertical low-pass filter

       complex
              ..FV..... complex vertical low-pass filter

   interleave AVOptions:
       nb_inputs
              <int>        ..FV..... set number of inputs (from 1 to INT_MAX) (default 2)

       n      <int>        ..FV..... set number of inputs (from 1 to INT_MAX) (default 2)

   kerndeint AVOptions:
       thresh <int>        ..FV..... set the threshold (from 0 to 255) (default 10)

       map    <boolean>    ..FV..... set the map (default false)

       order  <boolean>    ..FV..... set the order (default false)

       sharp  <boolean>    ..FV..... set sharpening (default false)

       twoway <boolean>    ..FV..... set twoway (default false)

   lagfun AVOptions:
       decay  <float>      ..FV..... set decay (from 0 to 1) (default 0.95)

       planes <flags>      ..FV..... set what planes to filter (default F)

   lenscorrection AVOptions:
       cx     <double>     ..FV..... set relative center x (from 0 to 1) (default 0.5)

       cy     <double>     ..FV..... set relative center y (from 0 to 1) (default 0.5)

       k1     <double>     ..FV..... set quadratic distortion factor (from -1 to 1) (default 0)

       k2     <double>     ..FV..... set double  quadratic  distortion  factor  (from  -1  to  1)
              (default 0)

   limiter AVOptions:
       min    <int>        ..FV..... set min value (from 0 to 65535) (default 0)

       max    <int>        ..FV..... set max value (from 0 to 65535) (default 65535)

       planes <int>        ..FV..... set planes (from 0 to 15) (default 15)

   loop AVOptions:
       loop   <int>        ..FV..... number of loops (from -1 to INT_MAX) (default 0)

       size   <int64>      ..FV..... max number of frames to loop (from 0 to 32767) (default 0)

       start  <int64>      ..FV..... set the loop start frame (from 0 to I64_MAX) (default 0)

   lumakey AVOptions:
       threshold
              <int>        ..FV..... set the threshold value (from 0 to 65535) (default 0)

       tolerance
              <int>        ..FV..... set the tolerance value (from 0 to 65535) (default 1)

       softness
              <int>        ..FV..... set the softness value (from 0 to 65535) (default 0)

   lut AVOptions:
       c0     <string>     ..FV..... set component #0 expression (default "clipval")

       c1     <string>     ..FV..... set component #1 expression (default "clipval")

       c2     <string>     ..FV..... set component #2 expression (default "clipval")

       c3     <string>     ..FV..... set component #3 expression (default "clipval")

       y      <string>     ..FV..... set Y expression (default "clipval")

       u      <string>     ..FV..... set U expression (default "clipval")

       v      <string>     ..FV..... set V expression (default "clipval")

       r      <string>     ..FV..... set R expression (default "clipval")

       g      <string>     ..FV..... set G expression (default "clipval")

       b      <string>     ..FV..... set B expression (default "clipval")

       a      <string>     ..FV..... set A expression (default "clipval")

   lut1d AVOptions:
       file   <string>     ..FV..... set 1D LUT file name

       interp <int>        ..FV..... select interpolation mode (from 0 to 4) (default linear)

       nearest
              ..FV..... use values from the nearest defined points

       linear ..FV..... use values from the linear interpolation

       cosine ..FV..... use values from the cosine interpolation

       cubic  ..FV..... use values from the cubic interpolation

       spline ..FV..... use values from the spline interpolation

   lut2 AVOptions:
       c0     <string>     ..FV..... set component #0 expression (default "x")

       c1     <string>     ..FV..... set component #1 expression (default "x")

       c2     <string>     ..FV..... set component #2 expression (default "x")

       c3     <string>     ..FV..... set component #3 expression (default "x")

       d      <int>        ..FV..... set output depth (from 0 to 16) (default 0)

   framesync AVOptions:
       eof_action
              <int>         ..FV.....  Action  to take when encountering EOF from secondary input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       repeatlast
              <boolean>     ..FV.....  extend last frame of secondary streams beyond EOF (default
              true)

   lut3d AVOptions:
       file   <string>     ..FV..... set 3D LUT file name

       interp <int>         ..FV.....  select  interpolation  mode  (from  0   to   2)   (default
              tetrahedral)

       nearest
              ..FV..... use values from the nearest defined points

       trilinear
              ..FV..... interpolate values using the 8 points defining a cube

       tetrahedral
              ..FV..... interpolate values using a tetrahedron

   lutrgb AVOptions:
       c0     <string>     ..FV..... set component #0 expression (default "clipval")

       c1     <string>     ..FV..... set component #1 expression (default "clipval")

       c2     <string>     ..FV..... set component #2 expression (default "clipval")

       c3     <string>     ..FV..... set component #3 expression (default "clipval")

       y      <string>     ..FV..... set Y expression (default "clipval")

       u      <string>     ..FV..... set U expression (default "clipval")

       v      <string>     ..FV..... set V expression (default "clipval")

       r      <string>     ..FV..... set R expression (default "clipval")

       g      <string>     ..FV..... set G expression (default "clipval")

       b      <string>     ..FV..... set B expression (default "clipval")

       a      <string>     ..FV..... set A expression (default "clipval")

   lutyuv AVOptions:
       c0     <string>     ..FV..... set component #0 expression (default "clipval")

       c1     <string>     ..FV..... set component #1 expression (default "clipval")

       c2     <string>     ..FV..... set component #2 expression (default "clipval")

       c3     <string>     ..FV..... set component #3 expression (default "clipval")

       y      <string>     ..FV..... set Y expression (default "clipval")

       u      <string>     ..FV..... set U expression (default "clipval")

       v      <string>     ..FV..... set V expression (default "clipval")

       r      <string>     ..FV..... set R expression (default "clipval")

       g      <string>     ..FV..... set G expression (default "clipval")

       b      <string>     ..FV..... set B expression (default "clipval")

       a      <string>     ..FV..... set A expression (default "clipval")

   maskedclamp AVOptions:
       undershoot
              <int>        ..FV..... set undershoot (from 0 to 65535) (default 0)

       overshoot
              <int>        ..FV..... set overshoot (from 0 to 65535) (default 0)

       planes <int>        ..FV..... set planes (from 0 to 15) (default 15)

   maskedmerge AVOptions:
       planes <int>        ..FV..... set planes (from 0 to 15) (default 15)

   maskfun AVOptions:
       low    <int>        ..FV..... set low threshold (from 0 to 65535) (default 10)

       high   <int>        ..FV..... set high threshold (from 0 to 65535) (default 10)

       planes <int>        ..FV..... set planes (from 0 to 15) (default 15)

       fill   <int>        ..FV..... set fill value (from 0 to 65535) (default 0)

       sum    <int>        ..FV..... set sum value (from 0 to 65535) (default 10)

   mcdeint AVOptions:
       mode   <int>        ..FV..... set mode (from 0 to 3) (default fast)

       fast   ..FV.....

       medium ..FV.....

       slow   ..FV.....

       extra_slow
              ..FV.....

       parity <int>        ..FV..... set the assumed picture field parity (from -1 to 1) (default
              bff)

       tff    ..FV..... assume top field first

       bff    ..FV..... assume bottom field first

       qp     <int>        ..FV..... set qp (from INT_MIN to INT_MAX) (default 1)

   mergeplanes AVOptions:
       mapping
              <int>        ..FV..... set input to output plane mapping (from  0  to  8.58993e+08)
              (default 0)

       format <pix_fmt>    ..FV..... set output pixel format (default yuva444p)

   mestimate AVOptions:
       method <int>        ..FV..... motion estimation method (from 1 to 9) (default esa)

       esa    ..FV..... exhaustive search

       tss    ..FV..... three step search

       tdls   ..FV..... two dimensional logarithmic search

       ntss   ..FV..... new three step search

       fss    ..FV..... four step search

       ds     ..FV..... diamond search

       hexbs  ..FV..... hexagon-based search

       epzs   ..FV..... enhanced predictive zonal search

       umh    ..FV..... uneven multi-hexagon search

       mb_size
              <int>        ..FV..... macroblock size (from 8 to INT_MAX) (default 16)

       search_param
              <int>        ..FV..... search parameter (from 4 to INT_MAX) (default 7)

   metadata AVOptions:
       mode   <int>        ..FV..... set a mode of operation (from 0 to 4) (default select)

       select ..FV..... select frame

       add    ..FV..... add new metadata

       modify ..FV..... modify metadata

       delete ..FV..... delete metadata

       print  ..FV..... print metadata

       key    <string>     ..FV..... set metadata key

       value  <string>     ..FV..... set metadata value

       function
              <int>         ..FV.....  function  for  comparing  values  (from  0  to 5) (default
              same_str)

       same_str
              ..FV.....

       starts_with
              ..FV.....

       less   ..FV.....

       equal  ..FV.....

       greater
              ..FV.....

       expr   ..FV.....

       expr   <string>     ..FV..... set expression for expr function

       file   <string>     ..FV..... set file where to print metadata information

   midequalizer AVOptions:
       planes <int>        ..FV..... set planes (from 0 to 15) (default 15)

   minterpolate AVOptions:
       fps    <video_rate> ..FV..... output's frame rate (default "60")

       mi_mode
              <int>        ..FV..... motion interpolation mode (from 0 to 2) (default mci)

       dup    ..FV..... duplicate frames

       blend  ..FV..... blend frames

       mci    ..FV..... motion compensated interpolation

       mc_mode
              <int>        ..FV..... motion compensation mode (from 0 to 1) (default obmc)

       obmc   ..FV..... overlapped block motion compensation

       aobmc  ..FV..... adaptive overlapped block motion compensation

       me_mode
              <int>        ..FV..... motion estimation mode (from 0 to 1) (default bilat)

       bidir  ..FV..... bidirectional motion estimation

       bilat  ..FV..... bilateral motion estimation

       me     <int>        ..FV..... motion estimation method (from 1 to 9) (default epzs)

       esa    ..FV..... exhaustive search

       tss    ..FV..... three step search

       tdls   ..FV..... two dimensional logarithmic search

       ntss   ..FV..... new three step search

       fss    ..FV..... four step search

       ds     ..FV..... diamond search

       hexbs  ..FV..... hexagon-based search

       epzs   ..FV..... enhanced predictive zonal search

       umh    ..FV..... uneven multi-hexagon search

       mb_size
              <int>        ..FV..... macroblock size (from 4 to 16) (default 16)

       search_param
              <int>        ..FV..... search parameter (from 4 to INT_MAX) (default 32)

       vsbmc  <int>        ..FV..... variable-size  block  motion  compensation  (from  0  to  1)
              (default 0)

       scd    <int>        ..FV..... scene change detection method (from 0 to 1) (default fdiff)

       none   ..FV..... disable detection

       fdiff  ..FV..... frame difference

       scd_threshold
              <double>     ..FV..... scene change threshold (from 0 to 100) (default 5)

   mix AVOptions:
       inputs <int>        ..FV..... set number of inputs (from 2 to INT_MAX) (default 2)

       weights
              <string>     ..FV..... set weight for each input (default "1 1")

       scale  <float>      ..FV..... set scale (from 0 to 32767) (default 0)

       duration
              <int>         ..FV.....  how  to  determine  end  of  stream (from 0 to 2) (default
              longest)

       longest
              ..FV..... Duration of longest input

       shortest
              ..FV..... Duration of shortest input

       first  ..FV..... Duration of first input

   mpdecimate AVOptions:
       max    <int>        ..FV.....  set  the  maximum  number  of  consecutive  dropped  frames
              (positive), or the minimum interval between dropped frames (negative) (from INT_MIN
              to INT_MAX) (default 0)

       hi     <int>        ..FV..... set  high  dropping  threshold  (from  INT_MIN  to  INT_MAX)
              (default 768)

       lo     <int>         ..FV.....  set  low  dropping  threshold  (from  INT_MIN  to INT_MAX)
              (default 320)

       frac   <float>      ..FV..... set fraction dropping threshold (from 0 to 1) (default 0.33)

   negate AVOptions:
       negate_alpha
              <boolean>    ..FV..... (default false)

   nlmeans AVOptions:
       s      <double>     ..FV..... denoising strength (from 1 to 30) (default 1)

       p      <int>        ..FV..... patch size (from 0 to 99) (default 7)

       pc     <int>        ..FV..... patch size for chroma planes (from 0 to 99) (default 0)

       r      <int>        ..FV..... research window (from 0 to 99) (default 15)

       rc     <int>        ..FV..... research window for chroma planes (from 0 to 99) (default 0)

   nnedi AVOptions:
       weights
              <string>     ..FV..... set weights file (default "nnedi3_weights.bin")

       deint  <int>        ..FV..... set which frames to deinterlace (from 0 to 1) (default all)

       all    ..FV..... deinterlace all frames

       interlaced
              ..FV..... only deinterlace frames marked as interlaced

       field  <int>        ..FV..... set mode of operation (from -2 to 3) (default a)

       af     ..FV..... use frame flags, both fields

       a      ..FV..... use frame flags, single field

       t      ..FV..... use top field only

       b      ..FV..... use bottom field only

       tf     ..FV..... use both fields, top first

       bf     ..FV..... use both fields, bottom first

       planes <int>        ..FV..... set which planes to process (from 0 to 7) (default 7)

       nsize  <int>        ..FV..... set size of local neighborhood around each  pixel,  used  by
              the predictor neural network (from 0 to 6) (default s32x4)

       s8x6   ..FV.....

       s16x6  ..FV.....

       s32x6  ..FV.....

       s48x6  ..FV.....

       s8x4   ..FV.....

       s16x4  ..FV.....

       s32x4  ..FV.....

       nns    <int>        ..FV..... set number of neurons in predictor neural network (from 0 to
              4) (default n32)

       n16    ..FV.....

       n32    ..FV.....

       n64    ..FV.....

       n128   ..FV.....

       n256   ..FV.....

       qual   <int>        ..FV..... set quality (from 1 to 2) (default fast)

       fast   ..FV.....

       slow   ..FV.....

       etype  <int>        ..FV..... set which set of weights to use in the predictor (from 0  to
              1) (default a)

       a      ..FV..... weights trained to minimize absolute error

       s      ..FV..... weights trained to minimize squared error

       pscrn  <int>        ..FV..... set prescreening (from 0 to 2) (default new)

       none   ..FV.....

       original
              ..FV.....

       new    ..FV.....

       fapprox
              <int>        ..FV..... (from 0 to 3) (default 0)

   noformat AVOptions:
       pix_fmts
              <string>     ..FV..... A '|'-separated list of pixel formats

   noise AVOptions:
       all_seed
              <int>         ..FV.....  set  component #0 noise seed (from -1 to INT_MAX) (default
              -1)

       all_strength
              <int>        ..FV..... set component #0 strength (from 0 to 100) (default 0)

       alls   <int>        ..FV..... set component #0 strength (from 0 to 100) (default 0)

       all_flags
              <flags>      ..FV..... set component #0 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

       allf   <flags>      ..FV..... set component #0 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

       c0_seed
              <int>        ..FV..... set component #0 noise seed (from -1  to  INT_MAX)  (default
              -1)

       c0_strength
              <int>        ..FV..... set component #0 strength (from 0 to 100) (default 0)

       c0s    <int>        ..FV..... set component #0 strength (from 0 to 100) (default 0)

       c0_flags
              <flags>      ..FV..... set component #0 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

       c0f    <flags>      ..FV..... set component #0 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

       c1_seed
              <int>         ..FV.....  set  component #1 noise seed (from -1 to INT_MAX) (default
              -1)

       c1_strength
              <int>        ..FV..... set component #1 strength (from 0 to 100) (default 0)

       c1s    <int>        ..FV..... set component #1 strength (from 0 to 100) (default 0)

       c1_flags
              <flags>      ..FV..... set component #1 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

       c1f    <flags>      ..FV..... set component #1 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

       c2_seed
              <int>        ..FV..... set component #2 noise seed (from -1  to  INT_MAX)  (default
              -1)

       c2_strength
              <int>        ..FV..... set component #2 strength (from 0 to 100) (default 0)

       c2s    <int>        ..FV..... set component #2 strength (from 0 to 100) (default 0)

       c2_flags
              <flags>      ..FV..... set component #2 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

       c2f    <flags>      ..FV..... set component #2 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

       c3_seed
              <int>         ..FV.....  set  component #3 noise seed (from -1 to INT_MAX) (default
              -1)

       c3_strength
              <int>        ..FV..... set component #3 strength (from 0 to 100) (default 0)

       c3s    <int>        ..FV..... set component #3 strength (from 0 to 100) (default 0)

       c3_flags
              <flags>      ..FV..... set component #3 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

       c3f    <flags>      ..FV..... set component #3 flags (default 0)

       a      ..FV..... averaged noise

       p      ..FV..... (semi)regular pattern

       t      ..FV..... temporal noise

       u      ..FV..... uniform noise

   normalize AVOptions:
       blackpt
              <color>      ..FV..... output color to which darkest input color is mapped (default
              "black")

       whitept
              <color>       ..FV.....  output  color  to  which  brightest  input color is mapped
              (default "white")

       smoothing
              <int>        ..FV..... amount of temporal smoothing of the input range,  to  reduce
              flicker (from 0 to 2.68435e+08) (default 0)

       independence
              <float>       ..FV.....  proportion  of independent to linked channel normalization
              (from 0 to 1) (default 1)

       strength
              <float>      ..FV..... strength of filter, from no  effect  to  full  normalization
              (from 0 to 1) (default 1)

   oscilloscope AVOptions:
       x      <float>      ..FV..... set scope x position (from 0 to 1) (default 0.5)

       y      <float>      ..FV..... set scope y position (from 0 to 1) (default 0.5)

       s      <float>      ..FV..... set scope size (from 0 to 1) (default 0.8)

       t      <float>      ..FV..... set scope tilt (from 0 to 1) (default 0.5)

       o      <float>      ..FV..... set trace opacity (from 0 to 1) (default 0.8)

       tx     <float>      ..FV..... set trace x position (from 0 to 1) (default 0.5)

       ty     <float>      ..FV..... set trace y position (from 0 to 1) (default 0.9)

       tw     <float>      ..FV..... set trace width (from 0.1 to 1) (default 0.8)

       th     <float>      ..FV..... set trace height (from 0.1 to 1) (default 0.3)

       c      <int>        ..FV..... set components to trace (from 0 to 15) (default 7)

       g      <boolean>    ..FV..... draw trace grid (default true)

       st     <boolean>    ..FV..... draw statistics (default true)

       sc     <boolean>    ..FV..... draw scope (default true)

   overlay AVOptions:
       x      <string>     ..FV..... set the x expression (default "0")

       y      <string>     ..FV..... set the y expression (default "0")

       eof_action
              <int>         ..FV.....  Action  to take when encountering EOF from secondary input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       eval   <int>        ..FV..... specify when to evaluate expressions (from 0 to 1)  (default
              frame)

       init   ..FV..... eval expressions once during initialization

       frame  ..FV..... eval expressions per-frame

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       format <int>        ..FV..... set output format (from 0 to 5) (default yuv420)

       yuv420 ..FV.....

       yuv422 ..FV.....

       yuv444 ..FV.....

       rgb    ..FV.....

       gbrp   ..FV.....

       auto   ..FV.....

       repeatlast
              <boolean>    ..FV..... repeat overlay of the last overlay frame (default true)

       alpha  <int>        ..FV..... alpha format (from 0 to 1) (default straight)

       straight
              ..FV.....

       premultiplied
              ..FV.....

   framesync AVOptions:
       eof_action
              <int>        ..FV..... Action to take when encountering EOF  from  secondary  input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       repeatlast
              <boolean>    ..FV..... extend last frame of secondary streams beyond  EOF  (default
              true)

   owdenoise AVOptions:
       depth  <int>        ..FV..... set depth (from 8 to 16) (default 8)

       luma_strength
              <double>     ..FV..... set luma strength (from 0 to 1000) (default 1)

       ls     <double>     ..FV..... set luma strength (from 0 to 1000) (default 1)

       chroma_strength
              <double>     ..FV..... set chroma strength (from 0 to 1000) (default 1)

       cs     <double>     ..FV..... set chroma strength (from 0 to 1000) (default 1)

   pad AVOptions:
       width  <string>     ..FV..... set the pad area width expression (default "iw")

       w      <string>     ..FV..... set the pad area width expression (default "iw")

       height <string>     ..FV..... set the pad area height expression (default "ih")

       h      <string>     ..FV..... set the pad area height expression (default "ih")

       x      <string>      ..FV.....  set  the  x offset expression for the input image position
              (default "0")

       y      <string>     ..FV..... set the y offset expression for  the  input  image  position
              (default "0")

       color  <color>      ..FV..... set the color of the padded area border (default "black")

       eval   <int>         ..FV..... specify when to evaluate expressions (from 0 to 1) (default
              init)

       init   ..FV..... eval expressions once during initialization

       frame  ..FV..... eval expressions during initialization and per-frame

       aspect <rational>   ..FV..... pad to fit an aspect instead of  a  resolution  (from  0  to
              DBL_MAX) (default 0/1)

   palettegen AVOptions:
       max_colors
              <int>        ..FV..... set the maximum number of colors to use in the palette (from
              4 to 256) (default 256)

       reserve_transparent <boolean>
              ..FV..... reserve a palette entry for transparency (default true)

       transparency_color <color>
              ..FV..... set a background color for transparency (default "lime")

       stats_mode
              <int>        ..FV..... set statistics mode (from 0 to 2) (default full)

       full   ..FV..... compute full frame histograms

       diff   ..FV..... compute histograms only for the part that differs from previous frame

       single ..FV..... compute new histogram for each frame

   paletteuse AVOptions:
       dither <int>        ..FV..... select dithering mode (from 0 to 5) (default sierra2_4a)

       bayer  ..FV..... ordered 8x8 bayer dithering (deterministic)

       heckbert
              ..FV..... dithering as defined by Paul Heckbert in 1982 (simple error diffusion)

       floyd_steinberg
              ..FV..... Floyd and Steingberg dithering (error diffusion)

       sierra2
              ..FV..... Frankie Sierra dithering v2 (error diffusion)

       sierra2_4a
              ..FV..... Frankie Sierra dithering v2 "Lite" (error diffusion)

       bayer_scale
              <int>        ..FV..... set scale for bayer dithering (from 0 to 5) (default 2)

       diff_mode
              <int>        ..FV..... set frame difference mode (from 0 to 1) (default 0)

       rectangle
              ..FV..... process smallest different rectangle

       new    <boolean>    ..FV..... take new palette for each output frame (default false)

       alpha_threshold
              <int>        ..FV..... set the alpha threshold for transparency  (from  0  to  255)
              (default 128)

       debug_kdtree
              <string>     ..FV..... save Graphviz graph of the kdtree in specified file

       color_search
              <int>         ..FV.....  set  reverse  colormap  color  search method (from 0 to 2)
              (default nns_iterative)

       nns_iterative
              ..FV..... iterative search

       nns_recursive
              ..FV..... recursive search

       bruteforce
              ..FV..... brute-force into the palette

       mean_err
              <boolean>    ..FV..... compute and print mean error (default false)

       debug_accuracy
              <boolean>    ..FV..... test color search accuracy (default false)

   perms AVOptions:
       mode   <int>        ..FVA.... select permissions mode (from 0 to 4) (default none)

       none   ..FVA.... do nothing

       ro     ..FVA.... set all output frames read-only

       rw     ..FVA.... set all output frames writable

       toggle ..FVA.... switch permissions

       random ..FVA.... set permissions randomly

       seed   <int64>      ..FVA.... set the seed for the random mode  (from  -1  to  UINT32_MAX)
              (default -1)

   perspective AVOptions:
       x0     <string>     ..FV..... set top left x coordinate (default "0")

       y0     <string>     ..FV..... set top left y coordinate (default "0")

       x1     <string>     ..FV..... set top right x coordinate (default "W")

       y1     <string>     ..FV..... set top right y coordinate (default "0")

       x2     <string>     ..FV..... set bottom left x coordinate (default "0")

       y2     <string>     ..FV..... set bottom left y coordinate (default "H")

       x3     <string>     ..FV..... set bottom right x coordinate (default "W")

       y3     <string>     ..FV..... set bottom right y coordinate (default "H")

       interpolation
              <int>        ..FV..... set interpolation (from 0 to 1) (default linear)

       linear ..FV.....

       cubic  ..FV.....

       sense  <int>         ..FV..... specify the sense of the coordinates (from 0 to 1) (default
              source)

       source ..FV..... specify locations in source to send to corners in destination

       destination
              ..FV..... specify locations in destination to send corners of source

       eval   <int>        ..FV..... specify when to evaluate expressions (from 0 to 1)  (default
              init)

       init   ..FV..... eval expressions once during initialization

       frame  ..FV..... eval expressions per-frame

   phase AVOptions:
       mode   <int>        ..FV..... set phase mode (from 0 to 8) (default A)

       p      ..FV..... progressive

       t      ..FV..... top first

       b      ..FV..... bottom first

       T      ..FV..... top first analyze

       B      ..FV..... bottom first analyze

       u      ..FV..... analyze

       U      ..FV..... full analyze

       a      ..FV..... auto

       A      ..FV..... auto analyze

   pixscope AVOptions:
       x      <float>      ..FV..... set scope x offset (from 0 to 1) (default 0.5)

       y      <float>      ..FV..... set scope y offset (from 0 to 1) (default 0.5)

       w      <int>        ..FV..... set scope width (from 1 to 80) (default 7)

       h      <int>        ..FV..... set scope height (from 1 to 80) (default 7)

       o      <float>      ..FV..... set window opacity (from 0 to 1) (default 0.5)

       wx     <float>      ..FV..... set window x offset (from -1 to 1) (default -1)

       wy     <float>      ..FV..... set window y offset (from -1 to 1) (default -1)

   pp AVOptions:
       subfilters
              <string>     ..FV..... set postprocess subfilters (default "de")

   pp7 AVOptions:
       qp     <int>        ..FV..... force a constant quantizer parameter (from 0 to 64) (default
              0)

       mode   <int>        ..FV..... set thresholding mode (from 0 to 2) (default medium)

       hard   ..FV..... hard thresholding

       soft   ..FV..... soft thresholding

       medium ..FV..... medium thresholding

   premultiply AVOptions:
       planes <int>        ..FV..... set planes (from 0 to 15) (default 15)

       inplace
              <boolean>    ..FV..... enable inplace mode (default false)

   prewitt AVOptions:
       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 15)

       scale  <float>      ..FV..... set scale (from 0 to 65535) (default 1)

       delta  <float>      ..FV..... set delta (from -65535 to 65535) (default 0)

   procamp_vaapi AVOptions:
       b      <float>      ..FV..... Output video brightness (from -100 to 100) (default 0)

       brightness
              <float>      ..FV..... Output video brightness (from -100 to 100) (default 0)

       s      <float>      ..FV..... Output video saturation (from 0 to 10) (default 1)

       saturatio
              <float>      ..FV..... Output video saturation (from 0 to 10) (default 1)

       c      <float>      ..FV..... Output video contrast (from 0 to 10) (default 1)

       contrast
              <float>      ..FV..... Output video contrast (from 0 to 10) (default 1)

       h      <float>      ..FV..... Output video hue (from -180 to 180) (default 0)

       hue    <float>      ..FV..... Output video hue (from -180 to 180) (default 0)

   pseudocolor AVOptions:
       c0     <string>     ..FV..... set component #0 expression (default "val")

       c1     <string>     ..FV..... set component #1 expression (default "val")

       c2     <string>     ..FV..... set component #2 expression (default "val")

       c3     <string>     ..FV..... set component #3 expression (default "val")

       i      <int>        ..FV..... set component as base (from 0 to 3) (default 0)

   psnr AVOptions:
       stats_file
              <string>     ..FV..... Set file where to store per-frame difference information

       f      <string>     ..FV..... Set file where to store per-frame difference information

       stats_version
              <int>        ..FV..... Set the format version for the stats file.  (from  1  to  2)
              (default 1)

       output_max
              <boolean>     ..FV.....  Add  raw  stats  (max  values) to the output log. (default
              false)

   framesync AVOptions:
       eof_action
              <int>        ..FV..... Action to take when encountering EOF  from  secondary  input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       repeatlast
              <boolean>    ..FV..... extend last frame of secondary streams beyond  EOF  (default
              true)

   pullup AVOptions:
       jl     <int>        ..FV..... set left junk size (from 0 to INT_MAX) (default 1)

       jr     <int>        ..FV..... set right junk size (from 0 to INT_MAX) (default 1)

       jt     <int>        ..FV..... set top junk size (from 1 to INT_MAX) (default 4)

       jb     <int>        ..FV..... set bottom junk size (from 1 to INT_MAX) (default 4)

       sb     <boolean>    ..FV..... set strict breaks (default false)

       mp     <int>        ..FV..... set metric plane (from 0 to 2) (default y)

       y      ..FV..... luma

       u      ..FV..... chroma blue

       v      ..FV..... chroma red

   qp AVOptions:
       qp     <string>     ..FV..... set qp expression

   random AVOptions:
       frames <int>        ..FV..... set number of frames in cache (from 2 to 512) (default 30)

       seed   <int64>      ..FV..... set the seed (from -1 to UINT32_MAX) (default -1)

   readeia608 AVOptions:
       scan_min
              <int>         ..FV.....  set  from which line to scan for codes (from 0 to INT_MAX)
              (default 0)

       scan_max
              <int>        ..FV..... set to which line to scan for  codes  (from  0  to  INT_MAX)
              (default 29)

       mac    <float>       ..FV.....  set  minimal  acceptable  amplitude  change for sync codes
              detection (from 0.001 to 1) (default 0.2)

       spw    <float>      ..FV..... set ratio of width reserved for sync  code  detection  (from
              0.1 to 0.7) (default 0.27)

       mhd    <float>       ..FV.....  set  max  peaks  height difference for sync code detection
              (from 0 to 0.5) (default 0.1)

       mpd    <float>      ..FV..... set max peaks period  difference  for  sync  code  detection
              (from 0 to 0.5) (default 0.1)

       msd    <float>       ..FV.....  set  first  two max start code bits differences (from 0 to
              0.5) (default 0.02)

       bhd    <float>      ..FV..... set min ratio of bits height compared to 3rd start code  bit
              (from 0.01 to 1) (default 0.75)

       th_w   <float>      ..FV..... set white color threshold (from 0.1 to 1) (default 0.35)

       th_b   <float>      ..FV..... set black color threshold (from 0 to 0.5) (default 0.15)

       chp    <boolean>    ..FV..... check and apply parity bit (default false)

       lp     <boolean>    ..FV..... lowpass line prior to processing (default false)

   readvitc AVOptions:
       scan_max
              <int>         ..FV.....  maximum  line  numbers  to  scan for VITC data (from -1 to
              INT_MAX) (default 45)

       thr_b  <double>     ..FV..... black color threshold (from 0 to 1) (default 0.2)

       thr_w  <double>     ..FV..... white color threshold (from 0 to 1) (default 0.6)

   realtime AVOptions:
       limit  <duration>   ..FVA.... sleep time limit (default 2)

       speed  <double>     ..FVA.... speed factor (from DBL_MIN to DBL_MAX) (default 1)

   remap AVOptions:
       format <int>        ..FV..... set output format (from 0 to 1) (default color)

       color  ..FV.....

       gray   ..FV.....

   removegrain AVOptions:
       m0     <int>        ..FV..... set mode for 1st plane (from 0 to 24) (default 0)

       m1     <int>        ..FV..... set mode for 2nd plane (from 0 to 24) (default 0)

       m2     <int>        ..FV..... set mode for 3rd plane (from 0 to 24) (default 0)

       m3     <int>        ..FV..... set mode for 4th plane (from 0 to 24) (default 0)

   removelogo AVOptions:
       filename
              <string>     ..FV..... set bitmap filename

       f      <string>     ..FV..... set bitmap filename

   rgbashift AVOptions:
       rh     <int>        ..FV..... shift red horizontally (from -255 to 255) (default 0)

       rv     <int>        ..FV..... shift red vertically (from -255 to 255) (default 0)

       gh     <int>        ..FV..... shift green horizontally (from -255 to 255) (default 0)

       gv     <int>        ..FV..... shift green vertically (from -255 to 255) (default 0)

       bh     <int>        ..FV..... shift blue horizontally (from -255 to 255) (default 0)

       bv     <int>        ..FV..... shift blue vertically (from -255 to 255) (default 0)

       ah     <int>        ..FV..... shift alpha horizontally (from -255 to 255) (default 0)

       av     <int>        ..FV..... shift alpha vertically (from -255 to 255) (default 0)

       edge   <int>        ..FV..... set edge operation (from 0 to 1) (default smear)

       smear  ..FV.....

       wrap   ..FV.....

   roberts AVOptions:
       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 15)

       scale  <float>      ..FV..... set scale (from 0 to 65535) (default 1)

       delta  <float>      ..FV..... set delta (from -65535 to 65535) (default 0)

   rotate AVOptions:
       angle  <string>     ..FV..... set angle (in radians) (default "0")

       a      <string>     ..FV..... set angle (in radians) (default "0")

       out_w  <string>     ..FV..... set output width expression (default "iw")

       ow     <string>     ..FV..... set output width expression (default "iw")

       out_h  <string>     ..FV..... set output height expression (default "ih")

       oh     <string>     ..FV..... set output height expression (default "ih")

       fillcolor
              <string>     ..FV..... set background fill color (default "black")

       c      <string>     ..FV..... set background fill color (default "black")

       bilinear
              <boolean>    ..FV..... use bilinear interpolation (default true)

   sab AVOptions:
       luma_radius
              <float>      ..FV..... set luma radius (from 0.1 to 4) (default 1)

       lr     <float>      ..FV..... set luma radius (from 0.1 to 4) (default 1)

       luma_pre_filter_radius <float>
              ..FV..... set luma pre-filter radius (from 0.1 to 2) (default 1)

       lpfr   <float>      ..FV..... set luma pre-filter radius (from 0.1 to 2) (default 1)

       luma_strength
              <float>      ..FV..... set luma strength (from 0.1 to 100) (default 1)

       ls     <float>      ..FV..... set luma strength (from 0.1 to 100) (default 1)

       chroma_radius
              <float>      ..FV..... set chroma radius (from -0.9 to 4) (default -0.9)

       cr     <float>      ..FV..... set chroma radius (from -0.9 to 4) (default -0.9)

       chroma_pre_filter_radius <float>
              ..FV..... set chroma pre-filter radius (from -0.9 to 2) (default -0.9)

       cpfr   <float>      ..FV..... set chroma pre-filter radius (from -0.9 to 2) (default -0.9)

       chroma_strength
              <float>      ..FV..... set chroma strength (from -0.9 to 100) (default -0.9)

       cs     <float>      ..FV..... set chroma strength (from -0.9 to 100) (default -0.9)

   scale AVOptions:
       w      <string>     ..FV..... Output video width

       width  <string>     ..FV..... Output video width

       h      <string>     ..FV..... Output video height

       height <string>     ..FV..... Output video height

       flags  <string>     ..FV..... Flags to pass to libswscale (default "bilinear")

       interl <boolean>    ..FV..... set interlacing (default false)

       in_color_matrix
              <string>     ..FV..... set input YCbCr type (default "auto")

       auto   ..FV.....

       bt601  ..FV.....

       bt470  ..FV.....

       smpte170m
              ..FV.....

       bt709  ..FV.....

       fcc    ..FV.....

       smpte240m
              ..FV.....

       bt2020 ..FV.....

       out_color_matrix
              <string>     ..FV..... set output YCbCr type

       auto   ..FV.....

       bt601  ..FV.....

       bt470  ..FV.....

       smpte170m
              ..FV.....

       bt709  ..FV.....

       fcc    ..FV.....

       smpte240m
              ..FV.....

       bt2020 ..FV.....

       in_range
              <int>        ..FV..... set input color range (from 0 to 2) (default auto)

       auto   ..FV.....

       unknown
              ..FV.....

       full   ..FV.....

       limited
              ..FV.....

       jpeg   ..FV.....

       mpeg   ..FV.....

       tv     ..FV.....

       pc     ..FV.....

       out_range
              <int>        ..FV..... set output color range (from 0 to 2) (default auto)

       auto   ..FV.....

       unknown
              ..FV.....

       full   ..FV.....

       limited
              ..FV.....

       jpeg   ..FV.....

       mpeg   ..FV.....

       tv     ..FV.....

       pc     ..FV.....

       in_v_chr_pos
              <int>        ..FV..... input vertical chroma position in luma grid/256  (from  -513
              to 512) (default -513)

       in_h_chr_pos
              <int>        ..FV..... input horizontal chroma position in luma grid/256 (from -513
              to 512) (default -513)

       out_v_chr_pos
              <int>        ..FV..... output vertical chroma position in luma grid/256 (from  -513
              to 512) (default -513)

       out_h_chr_pos
              <int>         ..FV.....  output  horizontal  chroma position in luma grid/256 (from
              -513 to 512) (default -513)

       force_original_aspect_ratio <int>
              ..FV..... decrease or increase w/h if necessary to keep the original AR (from 0  to
              2) (default disable)

       disable
              ..FV.....

       decrease
              ..FV.....

       increase
              ..FV.....

       param0 <double>     ..FV..... Scaler param 0 (from INT_MIN to INT_MAX) (default 123456)

       param1 <double>     ..FV..... Scaler param 1 (from INT_MIN to INT_MAX) (default 123456)

       nb_slices
              <int>         ..FV.....  set  the  number of slices (debug purpose only) (from 0 to
              INT_MAX) (default 0)

       eval   <int>        ..FV..... specify when to evaluate expressions (from 0 to 1)  (default
              init)

       init   ..FV..... eval expressions once during initialization

       frame  ..FV..... eval expressions during initialization and per-frame

       SWScaler AVOptions:

   scale_vaapi AVOptions:
       w      <string>     ..FV..... Output video width (default "iw")

       h      <string>     ..FV..... Output video height (default "ih")

       format <string>     ..FV..... Output video format (software format of hardware frames)

       mode   <int>        ..FV..... Scaling mode (from 0 to 768) (default hq)

       default
              ..FV..... Use the default (depend on the driver) scaling algorithm

       fast   ..FV..... Use fast scaling algorithm

       hq     ..FV..... Use high quality scaling algorithm

       nl_anamorphic
              ..FV..... Use nolinear anamorphic scaling algorithm

       out_color_matrix
              <string>     ..FV..... Output colour matrix coefficient set

       out_range
              <int>        ..FV..... Output colour range (from 0 to 2) (default 0)

       full   ..FV..... Full range

       limited
              ..FV..... Limited range

       jpeg   ..FV..... Full range

       mpeg   ..FV..... Limited range

       tv     ..FV..... Limited range

       pc     ..FV..... Full range

       out_color_primaries <string>
              ..FV..... Output colour primaries

       out_color_transfer <string>
              ..FV..... Output colour transfer characteristics

       out_chroma_location <string>
              ..FV..... Output chroma sample location

   scale2ref AVOptions:
       w      <string>     ..FV..... Output video width

       width  <string>     ..FV..... Output video width

       h      <string>     ..FV..... Output video height

       height <string>     ..FV..... Output video height

       flags  <string>     ..FV..... Flags to pass to libswscale (default "bilinear")

       interl <boolean>    ..FV..... set interlacing (default false)

       in_color_matrix
              <string>     ..FV..... set input YCbCr type (default "auto")

       auto   ..FV.....

       bt601  ..FV.....

       bt470  ..FV.....

       smpte170m
              ..FV.....

       bt709  ..FV.....

       fcc    ..FV.....

       smpte240m
              ..FV.....

       bt2020 ..FV.....

       out_color_matrix
              <string>     ..FV..... set output YCbCr type

       auto   ..FV.....

       bt601  ..FV.....

       bt470  ..FV.....

       smpte170m
              ..FV.....

       bt709  ..FV.....

       fcc    ..FV.....

       smpte240m
              ..FV.....

       bt2020 ..FV.....

       in_range
              <int>        ..FV..... set input color range (from 0 to 2) (default auto)

       auto   ..FV.....

       unknown
              ..FV.....

       full   ..FV.....

       limited
              ..FV.....

       jpeg   ..FV.....

       mpeg   ..FV.....

       tv     ..FV.....

       pc     ..FV.....

       out_range
              <int>        ..FV..... set output color range (from 0 to 2) (default auto)

       auto   ..FV.....

       unknown
              ..FV.....

       full   ..FV.....

       limited
              ..FV.....

       jpeg   ..FV.....

       mpeg   ..FV.....

       tv     ..FV.....

       pc     ..FV.....

       in_v_chr_pos
              <int>         ..FV.....  input vertical chroma position in luma grid/256 (from -513
              to 512) (default -513)

       in_h_chr_pos
              <int>        ..FV..... input horizontal chroma position in luma grid/256 (from -513
              to 512) (default -513)

       out_v_chr_pos
              <int>         ..FV..... output vertical chroma position in luma grid/256 (from -513
              to 512) (default -513)

       out_h_chr_pos
              <int>        ..FV..... output horizontal chroma position  in  luma  grid/256  (from
              -513 to 512) (default -513)

       force_original_aspect_ratio <int>
              ..FV.....  decrease or increase w/h if necessary to keep the original AR (from 0 to
              2) (default disable)

       disable
              ..FV.....

       decrease
              ..FV.....

       increase
              ..FV.....

       param0 <double>     ..FV..... Scaler param 0 (from INT_MIN to INT_MAX) (default 123456)

       param1 <double>     ..FV..... Scaler param 1 (from INT_MIN to INT_MAX) (default 123456)

       nb_slices
              <int>        ..FV..... set the number of slices (debug purpose  only)  (from  0  to
              INT_MAX) (default 0)

       eval   <int>         ..FV..... specify when to evaluate expressions (from 0 to 1) (default
              init)

       init   ..FV..... eval expressions once during initialization

       frame  ..FV..... eval expressions during initialization and per-frame

       SWScaler AVOptions:

   select AVOptions:
       expr   <string>     ..FV..... set an expression to use for selecting frames (default "1")

       e      <string>     ..FV..... set an expression to use for selecting frames (default "1")

       outputs
              <int>        ..FV..... set the number of outputs (from 1 to INT_MAX) (default 1)

       n      <int>        ..FV..... set the number of outputs (from 1 to INT_MAX) (default 1)

   selectivecolor AVOptions:
       correction_method <int>
              ..FV..... select correction method (from 0 to 1) (default absolute)

       absolute
              ..FV.....

       relative
              ..FV.....

       reds   <string>     ..FV..... adjust red regions

       yellows
              <string>     ..FV..... adjust yellow regions

       greens <string>     ..FV..... adjust green regions

       cyans  <string>     ..FV..... adjust cyan regions

       blues  <string>     ..FV..... adjust blue regions

       magentas
              <string>     ..FV..... adjust magenta regions

       whites <string>     ..FV..... adjust white regions

       neutrals
              <string>     ..FV..... adjust neutral regions

       blacks <string>     ..FV..... adjust black regions

       psfile <string>     ..FV..... set Photoshop selectivecolor file name

   sendcmd AVOptions:
       commands
              <string>     ..FVA.... set commands

       c      <string>     ..FVA.... set commands

       filename
              <string>     ..FVA.... set commands file

       f      <string>     ..FVA.... set commands file

   setdar AVOptions:
       dar    <string>     ..FV..... set display aspect ratio (default "0")

       ratio  <string>     ..FV..... set display aspect ratio (default "0")

       r      <string>     ..FV..... set display aspect ratio (default "0")

       max    <int>        ..FV..... set max value for nominator  or  denominator  in  the  ratio
              (from 1 to INT_MAX) (default 100)

   setfield AVOptions:
       mode   <int>        ..FV..... select interlace mode (from -1 to 2) (default auto)

       auto   ..FV..... keep the same input field

       bff    ..FV..... mark as bottom-field-first

       tff    ..FV..... mark as top-field-first

       prog   ..FV..... mark as progressive

   setparams AVOptions:
       field_mode
              <int>        ..FV..... select interlace mode (from -1 to 2) (default auto)

       auto   ..FV..... keep the same input field

       bff    ..FV..... mark as bottom-field-first

       tff    ..FV..... mark as top-field-first

       prog   ..FV..... mark as progressive

       range  <int>        ..FV..... select color range (from -1 to 2) (default auto)

       auto   ..FV..... keep the same color range

       unspecified
              ..FV.....

       unknown
              ..FV.....

       limited
              ..FV.....

       tv     ..FV.....

       mpeg   ..FV.....

       full   ..FV.....

       pc     ..FV.....

       jpeg   ..FV.....

       color_primaries
              <int>        ..FV..... select color primaries (from -1 to 22) (default auto)

       auto   ..FV..... keep the same color primaries

       bt709  ..FV.....

       unknown
              ..FV.....

       bt470m ..FV.....

       bt470bg
              ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       film   ..FV.....

       bt2020 ..FV.....

       smpte428
              ..FV.....

       smpte431
              ..FV.....

       smpte432
              ..FV.....

       jedec-p22
              ..FV.....

       color_trc
              <int>        ..FV..... select color transfer (from -1 to 18) (default auto)

       auto   ..FV..... keep the same color transfer

       bt709  ..FV.....

       unknown
              ..FV.....

       bt470m ..FV.....

       bt470bg
              ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       linear ..FV.....

       log100 ..FV.....

       log316 ..FV.....

       iec61966-2-4
              ..FV.....

       bt1361e
              ..FV.....

       iec61966-2-1
              ..FV.....

       bt2020-10
              ..FV.....

       bt2020-12
              ..FV.....

       smpte2084
              ..FV.....

       smpte428
              ..FV.....

       arib-std-b67
              ..FV.....

       colorspace
              <int>        ..FV..... select colorspace (from -1 to 14) (default auto)

       auto   ..FV..... keep the same colorspace

       gbr    ..FV.....

       bt709  ..FV.....

       unknown
              ..FV.....

       fcc    ..FV.....

       bt470bg
              ..FV.....

       smpte170m
              ..FV.....

       smpte240m
              ..FV.....

       ycgco  ..FV.....

       bt2020nc
              ..FV.....

       bt2020c
              ..FV.....

       smpte2085
              ..FV.....

       chroma-derived-nc
              ..FV.....

       chroma-derived-c
              ..FV.....

       ictcp  ..FV.....

   setpts AVOptions:
       expr   <string>     ..FVA.... Expression determining the frame timestamp (default "PTS")

   setrange AVOptions:
       range  <int>        ..FV..... select color range (from -1 to 2) (default auto)

       auto   ..FV..... keep the same color range

       unspecified
              ..FV.....

       unknown
              ..FV.....

       limited
              ..FV.....

       tv     ..FV.....

       mpeg   ..FV.....

       full   ..FV.....

       pc     ..FV.....

       jpeg   ..FV.....

   setsar AVOptions:
       sar    <string>     ..FV..... set sample (pixel) aspect ratio (default "0")

       ratio  <string>     ..FV..... set sample (pixel) aspect ratio (default "0")

       r      <string>     ..FV..... set sample (pixel) aspect ratio (default "0")

       max    <int>         ..FV.....  set  max  value  for nominator or denominator in the ratio
              (from 1 to INT_MAX) (default 100)

   settb AVOptions:
       expr   <string>     ..FV..... set expression  determining  the  output  timebase  (default
              "intb")

       tb     <string>      ..FV.....  set  expression  determining  the output timebase (default
              "intb")

   sharpness_vaapi AVOptions:
       sharpness
              <int>        ..FV..... sharpness level (from 0 to 64) (default 44)

   showinfo AVOptions:
       checksum
              <boolean>    ..FV..... calculate checksums (default true)

   showpalette AVOptions:
       s      <int>        ..FV..... set pixel box size (from 1 to 100) (default 30)

   shuffleframes AVOptions:
       mapping
              <string>     ..FV..... set destination indexes of input frames (default "0")

   shuffleplanes AVOptions:
       map0   <int>        ..FV..... Index of the input plane to be  used  as  the  first  output
              plane  (from 0 to 4) (default 0)

       map1   <int>         ..FV.....  Index  of  the input plane to be used as the second output
              plane  (from 0 to 4) (default 1)

       map2   <int>        ..FV..... Index of the input plane to be  used  as  the  third  output
              plane  (from 0 to 4) (default 2)

       map3   <int>         ..FV.....  Index  of  the input plane to be used as the fourth output
              plane  (from 0 to 4) (default 3)

   sidedata AVOptions:
       mode   <int>        ..FV..... set a mode of operation (from 0 to 1) (default select)

       select ..FV..... select frame

       delete ..FV..... delete side data

       type   <int>        ..FV..... set side data type (from -1 to INT_MAX) (default -1)

       PANSCAN
              ..FV.....

       A53_CC ..FV.....

       STEREO3D
              ..FV.....

       MATRIXENCODING
              ..FV.....

       DOWNMIX_INFO
              ..FV.....

       REPLAYGAIN
              ..FV.....

       DISPLAYMATRIX
              ..FV.....

       AFD    ..FV.....

       MOTION_VECTORS
              ..FV.....

       SKIP_SAMPLES
              ..FV.....

       AUDIO_SERVICE_TYPE
              ..FV.....

       MASTERING_DISPLAY_METADATA
              ..FV.....

       GOP_TIMECODE
              ..FV.....

       SPHERICAL
              ..FV.....

       CONTENT_LIGHT_LEVEL
              ..FV.....

       ICC_PROFILE
              ..FV.....

       QP_TABLE_PROPERTIES
              ..FV.....

       QP_TABLE_DATA
              ..FV.....

       S12M_TIMECOD
              ..FV.....

       DYNAMIC_HDR_PLUS
              ..FV.....

       REGIONS_OF_INTEREST
              ..FV.....

   signalstats AVOptions:
       stat   <flags>      ..FV..... set statistics filters (default 0)

       tout   ..FV..... analyze pixels for temporal outliers

       vrep   ..FV..... analyze video lines for vertical line repetition

       brng   ..FV..... analyze for pixels outside of broadcast range

       out    <int>        ..FV..... set video filter (from -1 to 2) (default -1)

       tout   ..FV..... highlight pixels that depict temporal outliers

       vrep   ..FV..... highlight video lines that depict vertical line repetition

       brng   ..FV..... highlight pixels that are outside of broadcast range

       c      <color>      ..FV..... set highlight color (default "yellow")

       color  <color>      ..FV..... set highlight color (default "yellow")

   signature AVOptions:
       detectmode
              <int>        ..FV..... set the detectmode (from 0 to 2) (default off)

       off    ..FV.....

       full   ..FV.....

       fast   ..FV.....

       nb_inputs
              <int>        ..FV..... number of inputs (from 1 to INT_MAX) (default 1)

       filename
              <string>     ..FV..... filename for output files (default "")

       format <int>        ..FV..... set output format (from 0 to 1) (default binary)

       binary ..FV.....

       xml    ..FV.....

       th_d   <int>        ..FV..... threshold to detect one word as similar (from 1 to  INT_MAX)
              (default 9000)

       th_dc  <int>        ..FV..... threshold to detect all words as similar (from 1 to INT_MAX)
              (default 60000)

       th_xh  <int>        ..FV..... threshold to detect frames as similar (from  1  to  INT_MAX)
              (default 116)

       th_di  <int>         ..FV.....  minimum  length  of matching sequence in frames (from 0 to
              INT_MAX) (default 0)

       th_it  <double>     ..FV..... threshold for relation of good to all frames (from 0  to  1)
              (default 0.5)

   smartblur AVOptions:
       luma_radius
              <float>      ..FV..... set luma radius (from 0.1 to 5) (default 1)

       lr     <float>      ..FV..... set luma radius (from 0.1 to 5) (default 1)

       luma_strength
              <float>      ..FV..... set luma strength (from -1 to 1) (default 1)

       ls     <float>      ..FV..... set luma strength (from -1 to 1) (default 1)

       luma_threshold
              <int>        ..FV..... set luma threshold (from -30 to 30) (default 0)

       lt     <int>        ..FV..... set luma threshold (from -30 to 30) (default 0)

       chroma_radius
              <float>      ..FV..... set chroma radius (from -0.9 to 5) (default -0.9)

       cr     <float>      ..FV..... set chroma radius (from -0.9 to 5) (default -0.9)

       chroma_strength
              <float>      ..FV..... set chroma strength (from -2 to 1) (default -2)

       cs     <float>      ..FV..... set chroma strength (from -2 to 1) (default -2)

       chroma_threshold
              <int>        ..FV..... set chroma threshold (from -31 to 30) (default -31)

       ct     <int>        ..FV..... set chroma threshold (from -31 to 30) (default -31)

   sobel AVOptions:
       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 15)

       scale  <float>      ..FV..... set scale (from 0 to 65535) (default 1)

       delta  <float>      ..FV..... set delta (from -65535 to 65535) (default 0)

   split AVOptions:
       outputs
              <int>        ..FVA.... set number of outputs (from 1 to INT_MAX) (default 2)

   spp AVOptions:
       quality
              <int>        ..FV..... set quality (from 0 to 6) (default 3)

       qp     <int>        ..FV..... force a constant quantizer parameter (from 0 to 63) (default
              0)

       mode   <int>        ..FV..... set thresholding mode (from 0 to 1) (default hard)

       hard   ..FV..... hard thresholding

       soft   ..FV..... soft thresholding

       use_bframe_qp
              <boolean>    ..FV..... use B-frames' QP (default false)

       AVDCT AVOptions:

   sr AVOptions:
       dnn_backend
              <int>        ..FV..... DNN backend used for model execution (from 0 to 1)  (default
              native)

       native ..FV..... native backend flag

       scale_factor
              <int>        ..FV..... scale factor for SRCNN model (from 2 to 4) (default 2)

       model  <string>      ..FV.....  path to model file specifying network architecture and its
              parameters

   ssim AVOptions:
       stats_file
              <string>     ..FV..... Set file where to store per-frame difference information

       f      <string>     ..FV..... Set file where to store per-frame difference information

   framesync AVOptions:
       eof_action
              <int>        ..FV..... Action to take when encountering EOF  from  secondary  input
              (from 0 to 2) (default repeat)

       repeat ..FV..... Repeat the previous frame.

       endall ..FV..... End both streams.

       pass   ..FV..... Pass through the main input.

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

       repeatlast
              <boolean>    ..FV..... extend last frame of secondary streams beyond  EOF  (default
              true)

   stereo3d AVOptions:
       in     <int>        ..FV..... set input format (from 16 to 32) (default sbsl)

       ab2l   ..FV..... above below half height left first

       ab2r   ..FV..... above below half height right first

       abl    ..FV..... above below left first

       abr    ..FV..... above below right first

       al     ..FV..... alternating frames left first

       ar     ..FV..... alternating frames right first

       sbs2l  ..FV..... side by side half width left first

       sbs2r  ..FV..... side by side half width right first

       sbsl   ..FV..... side by side left first

       sbsr   ..FV..... side by side right first

       irl    ..FV..... interleave rows left first

       irr    ..FV..... interleave rows right first

       icl    ..FV..... interleave columns left first

       icr    ..FV..... interleave columns right first

       out    <int>        ..FV..... set output format (from 0 to 32) (default arcd)

       ab2l   ..FV..... above below half height left first

       ab2r   ..FV..... above below half height right first

       abl    ..FV..... above below left first

       abr    ..FV..... above below right first

       agmc   ..FV..... anaglyph green magenta color

       agmd   ..FV..... anaglyph green magenta dubois

       agmg   ..FV..... anaglyph green magenta gray

       agmh   ..FV..... anaglyph green magenta half color

       al     ..FV..... alternating frames left first

       ar     ..FV..... alternating frames right first

       arbg   ..FV..... anaglyph red blue gray

       arcc   ..FV..... anaglyph red cyan color

       arcd   ..FV..... anaglyph red cyan dubois

       arcg   ..FV..... anaglyph red cyan gray

       arch   ..FV..... anaglyph red cyan half color

       argg   ..FV..... anaglyph red green gray

       aybc   ..FV..... anaglyph yellow blue color

       aybd   ..FV..... anaglyph yellow blue dubois

       aybg   ..FV..... anaglyph yellow blue gray

       aybh   ..FV..... anaglyph yellow blue half color

       irl    ..FV..... interleave rows left first

       irr    ..FV..... interleave rows right first

       ml     ..FV..... mono left

       mr     ..FV..... mono right

       sbs2l  ..FV..... side by side half width left first

       sbs2r  ..FV..... side by side half width right first

       sbsl   ..FV..... side by side left first

       sbsr   ..FV..... side by side right first

       chl    ..FV..... checkerboard left first

       chr    ..FV..... checkerboard right first

       icl    ..FV..... interleave columns left first

       icr    ..FV..... interleave columns right first

       hdmi   ..FV..... HDMI frame pack

   streamselect AVOptions:
       inputs <int>        ..FVA.... number of input streams (from 2 to INT_MAX) (default 2)

       map    <string>     ..FVA.... input indexes to remap to outputs

   subtitles AVOptions:
       filename
              <string>     ..FV..... set the filename of file to read

       f      <string>     ..FV..... set the filename of file to read

       original_size
              <image_size> ..FV..... set the size of the original video (used to scale fonts)

       fontsdir
              <string>     ..FV..... set the directory containing the fonts to read

       alpha  <boolean>    ..FV..... enable processing of alpha channel (default false)

       charenc
              <string>     ..FV..... set input character encoding

       stream_index
              <int>        ..FV..... set stream index (from -1 to INT_MAX) (default -1)

       si     <int>        ..FV..... set stream index (from -1 to INT_MAX) (default -1)

       force_style
              <string>     ..FV..... force subtitle style

   swaprect AVOptions:
       w      <string>     ..FV..... set rect width (default "w/2")

       h      <string>     ..FV..... set rect height (default "h/2")

       x1     <string>     ..FV..... set 1st rect x top left coordinate (default "w/2")

       y1     <string>     ..FV..... set 1st rect y top left coordinate (default "h/2")

       x2     <string>     ..FV..... set 2nd rect x top left coordinate (default "0")

       y2     <string>     ..FV..... set 2nd rect y top left coordinate (default "0")

       swapuv AVOptions:

   tblend AVOptions:
       c0_mode
              <int>        ..FV..... set component #0 blend mode (from 0 to 32) (default normal)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       c1_mode
              <int>        ..FV..... set component #1 blend mode (from 0 to 32) (default normal)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       c2_mode
              <int>        ..FV..... set component #2 blend mode (from 0 to 32) (default normal)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       c3_mode
              <int>        ..FV..... set component #3 blend mode (from 0 to 32) (default normal)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       all_mode
              <int>         ..FV.....  set blend mode for all components (from -1 to 32) (default
              -1)

       addition
              ..FV.....

       addition128
              ..FV.....

       grainmerge
              ..FV.....

       and    ..FV.....

       average
              ..FV.....

       burn   ..FV.....

       darken ..FV.....

       difference
              ..FV.....

       difference128
              ..FV.....

       grainextract
              ..FV.....

       divide ..FV.....

       dodge  ..FV.....

       exclusion
              ..FV.....

       extremity
              ..FV.....

       freeze ..FV.....

       glow   ..FV.....

       hardlight
              ..FV.....

       hardmix
              ..FV.....

       heat   ..FV.....

       lighten
              ..FV.....

       linearlight
              ..FV.....

       multiply
              ..FV.....

       multiply128
              ..FV.....

       negation
              ..FV.....

       normal ..FV.....

       or     ..FV.....

       overlay
              ..FV.....

       phoenix
              ..FV.....

       pinlight
              ..FV.....

       reflect
              ..FV.....

       screen ..FV.....

       softlight
              ..FV.....

       subtract
              ..FV.....

       vividlight
              ..FV.....

       xor    ..FV.....

       c0_expr
              <string>     ..FV..... set color component #0 expression

       c1_expr
              <string>     ..FV..... set color component #1 expression

       c2_expr
              <string>     ..FV..... set color component #2 expression

       c3_expr
              <string>     ..FV..... set color component #3 expression

       all_expr
              <string>     ..FV..... set expression for all color components

       c0_opacity
              <double>     ..FV..... set color component #0 opacity (from 0 to 1) (default 1)

       c1_opacity
              <double>     ..FV..... set color component #1 opacity (from 0 to 1) (default 1)

       c2_opacity
              <double>     ..FV..... set color component #2 opacity (from 0 to 1) (default 1)

       c3_opacity
              <double>     ..FV..... set color component #3 opacity (from 0 to 1) (default 1)

       all_opacity
              <double>     ..FV..... set opacity for all color components (from 0 to 1)  (default
              1)

   telecine AVOptions:
       first_field
              <int>        ..FV..... select first field (from 0 to 1) (default top)

       top    ..FV..... select top field first

       t      ..FV..... select top field first

       bottom ..FV..... select bottom field first

       b      ..FV..... select bottom field first

       pattern
              <string>      ..FV.....  pattern that describe for how many fields a frame is to be
              displayed (default "23")

   threshold AVOptions:
       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 15)

   thumbnail AVOptions:
       n      <int>        ..FV..... set the frames batch size (from 2 to INT_MAX) (default 100)

   tile AVOptions:
       layout <image_size> ..FV..... set grid size (default "6x5")

       nb_frames
              <int>        ..FV..... set maximum number of frame to render (from  0  to  INT_MAX)
              (default 0)

       margin <int>         ..FV..... set outer border margin in pixels (from 0 to 1024) (default
              0)

       padding
              <int>        ..FV..... set inner border  thickness  in  pixels  (from  0  to  1024)
              (default 0)

       color  <color>      ..FV..... set the color of the unused area (default "black")

       overlap
              <int>         ..FV.....  set  how many frames to overlap for each render (from 0 to
              INT_MAX) (default 0)

       init_padding
              <int>        ..FV.....  set how many frames to initially pad (from  0  to  INT_MAX)
              (default 0)

   tinterlace AVOptions:
       mode   <int>        ..FV..... select interlace mode (from 0 to 7) (default merge)

       merge  ..FV..... merge fields

       drop_even
              ..FV..... drop even fields

       drop_odd
              ..FV..... drop odd fields

       pad    ..FV..... pad alternate lines with black

       interleave_top
              ..FV..... interleave top and bottom fields

       interleave_bottom
              ..FV..... interleave bottom and top fields

       interlacex2
              ..FV..... interlace fields from two consecutive frames

       mergex2
              ..FV..... merge fields keeping same frame rate

   tlut2 AVOptions:
       c0     <string>     ..FV..... set component #0 expression (default "x")

       c1     <string>     ..FV..... set component #1 expression (default "x")

       c2     <string>     ..FV..... set component #2 expression (default "x")

       c3     <string>     ..FV..... set component #3 expression (default "x")

   tmix AVOptions:
       frames <int>         ..FV.....  set  number  of  successive  frames to mix (from 1 to 128)
              (default 3)

       weights
              <string>     ..FV..... set weight for each frame (default "1 1 1")

       scale  <float>      ..FV..... set scale (from 0 to 32767) (default 0)

   tonemap AVOptions:
       tonemap
              <int>        ..FV..... tonemap algorithm selection (from 0 to 6) (default none)

       none   ..FV.....

       linear ..FV.....

       gamma  ..FV.....

       clip   ..FV.....

       reinhard
              ..FV.....

       hable  ..FV.....

       mobius ..FV.....

       param  <double>     ..FV..... tonemap parameter (from DBL_MIN to DBL_MAX) (default nan)

       desat  <double>     ..FV..... desaturation strength (from 0 to DBL_MAX) (default 2)

       peak   <double>     ..FV..... signal peak override (from 0 to DBL_MAX) (default 0)

   tpad AVOptions:
       start  <int>        ..FV..... set the number of frames to delay input (from 0 to  INT_MAX)
              (default 0)

       stop   <int>         ..FV.....  set the number of frames to add after input finished (from
              -1 to INT_MAX) (default 0)

       start_mode
              <int>        ..FV..... set the mode of added frames to start (from 0 to 1) (default
              add)

       add    ..FV..... add solid-color frames

       clone  ..FV..... clone first/last frame

       stop_mode
              <int>         ..FV.....  set the mode of added frames to end (from 0 to 1) (default
              add)

       add    ..FV..... add solid-color frames

       clone  ..FV..... clone first/last frame

       start_duration
              <duration>   ..FV..... set the duration to delay input (default 0)

       stop_duration
              <duration>   ..FV..... set the duration to pad input (default 0)

       color  <color>      ..FV..... set the color of the added frames (default "black")

   transpose AVOptions:
       dir    <int>        ..FV..... set transpose direction (from 0 to 7) (default cclock_flip)

       cclock_flip
              ..FV..... rotate counter-clockwise with vertical flip

       clock  ..FV..... rotate clockwise

       cclock ..FV..... rotate counter-clockwise

       clock_flip
              ..FV..... rotate clockwise with vertical flip

       passthrough
              <int>        ..FV.....  do  not  apply  transposition  if  the  input  matches  the
              specified geometry (from 0 to INT_MAX) (default none)

       none   ..FV..... always apply transposition

       portrait
              ..FV..... preserve portrait geometry

       landscape
              ..FV..... preserve landscape geometry

   transpose_vaapi AVOptions:
       dir    <int>        ..FV..... set transpose direction (from 0 to 6) (default cclock_flip)

       cclock_flip
              ..FV..... rotate counter-clockwise with vertical flip

       clock  ..FV..... rotate clockwise

       cclock ..FV..... rotate counter-clockwise

       clock_flip
              ..FV..... rotate clockwise with vertical flip

       reversal
              ..FV..... rotate by half-turn

       hflip  ..FV..... flip horizontally

       vflip  ..FV..... flip vertically

       passthrough
              <int>         ..FV.....  do  not  apply  transposition  if  the  input  matches the
              specified geometry (from 0 to INT_MAX) (default none)

       none   ..FV..... always apply transposition

       portrait
              ..FV..... preserve portrait geometry

       landscape
              ..FV..... preserve landscape geometry

   trim AVOptions:
       start  <duration>   ..FV..... Timestamp of the first frame that should be passed  (default
              INT64_MAX)

       starti <duration>    ..FV..... Timestamp of the first frame that should be passed (default
              INT64_MAX)

       end    <duration>   ..FV..... Timestamp of the first frame that should  be  dropped  again
              (default INT64_MAX)

       endi   <duration>    ..FV.....  Timestamp  of the first frame that should be dropped again
              (default INT64_MAX)

       start_pts
              <int64>      ..FV..... Timestamp of the first frame that should  be   passed  (from
              I64_MIN to I64_MAX) (default I64_MIN)

       end_pts
              <int64>       ..FV.....  Timestamp  of the first frame that should be dropped again
              (from I64_MIN to I64_MAX) (default I64_MIN)

       duration
              <duration>   ..FV..... Maximum duration of the output (default 0)

       durationi
              <duration>   ..FV..... Maximum duration of the output (default 0)

       start_frame
              <int64>      ..FV..... Number of the first frame  that  should  be  passed  to  the
              output (from -1 to I64_MAX) (default -1)

       end_frame
              <int64>      ..FV..... Number of the first frame that should be dropped again (from
              0 to I64_MAX) (default I64_MAX)

   unpremultiply AVOptions:
       planes <int>        ..FV..... set planes (from 0 to 15) (default 15)

       inplace
              <boolean>    ..FV..... enable inplace mode (default false)

   unsharp AVOptions:
       luma_msize_x
              <int>        ..FV..... set luma matrix horizontal size (from 3 to 23) (default 5)

       lx     <int>        ..FV..... set luma matrix horizontal size (from 3 to 23) (default 5)

       luma_msize_y
              <int>        ..FV..... set luma matrix vertical size (from 3 to 23) (default 5)

       ly     <int>        ..FV..... set luma matrix vertical size (from 3 to 23) (default 5)

       luma_amount
              <float>      ..FV..... set luma effect strength (from -2 to 5) (default 1)

       la     <float>      ..FV..... set luma effect strength (from -2 to 5) (default 1)

       chroma_msize_x
              <int>        ..FV..... set chroma matrix horizontal size (from 3 to 23) (default 5)

       cx     <int>        ..FV..... set chroma matrix horizontal size (from 3 to 23) (default 5)

       chroma_msize_y
              <int>        ..FV..... set chroma matrix vertical size (from 3 to 23) (default 5)

       cy     <int>        ..FV..... set chroma matrix vertical size (from 3 to 23) (default 5)

       chroma_amount
              <float>      ..FV..... set chroma effect strength (from -2 to 5) (default 0)

       ca     <float>      ..FV..... set chroma effect strength (from -2 to 5) (default 0)

       opencl <boolean>    ..FV..... ignored (default false)

   uspp AVOptions:
       quality
              <int>        ..FV..... set quality (from 0 to 8) (default 3)

       qp     <int>        ..FV..... force a constant quantizer parameter (from 0 to 63) (default
              0)

       use_bframe_qp
              <boolean>    ..FV..... use B-frames' QP (default false)

   vaguedenoiser AVOptions:
       threshold
              <float>      ..FV..... set filtering strength (from 0 to DBL_MAX) (default 2)

       method <int>        ..FV..... set filtering method (from 0 to 2) (default garrote)

       hard   ..FV..... hard thresholding

       soft   ..FV..... soft thresholding

       garrote
              ..FV..... garotte thresholding

       nsteps <int>        ..FV..... set number of steps (from 1 to 32) (default 6)

       percent
              <float>      ..FV..... set percent of full denoising (from 0 to 100) (default 85)

       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 15)

   vectorscope AVOptions:
       mode   <int>        ..FV..... set vectorscope mode (from 0 to 5) (default gray)

       gray   ..FV.....

       color  ..FV.....

       color2 ..FV.....

       color3 ..FV.....

       color4 ..FV.....

       color5 ..FV.....

       m      <int>        ..FV..... set vectorscope mode (from 0 to 5) (default gray)

       gray   ..FV.....

       color  ..FV.....

       color2 ..FV.....

       color3 ..FV.....

       color4 ..FV.....

       color5 ..FV.....

       x      <int>        ..FV..... set color component on X axis (from 0 to 2) (default 1)

       y      <int>        ..FV..... set color component on Y axis (from 0 to 2) (default 2)

       intensity
              <float>      ..FV..... set intensity (from 0 to 1) (default 0.004)

       i      <float>      ..FV..... set intensity (from 0 to 1) (default 0.004)

       envelope
              <int>        ..FV..... set envelope (from 0 to 3) (default none)

       none   ..FV.....

       instant
              ..FV.....

       peak   ..FV.....

       peak+instant
              ..FV.....

       e      <int>        ..FV..... set envelope (from 0 to 3) (default none)

       none   ..FV.....

       instant
              ..FV.....

       peak   ..FV.....

       peak+instant
              ..FV.....

       graticule
              <int>        ..FV..... set graticule (from 0 to 2) (default none)

       none   ..FV.....

       green  ..FV.....

       color  ..FV.....

       g      <int>        ..FV..... set graticule (from 0 to 2) (default none)

       none   ..FV.....

       green  ..FV.....

       color  ..FV.....

       opacity
              <float>      ..FV..... set graticule opacity (from 0 to 1) (default 0.75)

       o      <float>      ..FV..... set graticule opacity (from 0 to 1) (default 0.75)

       flags  <flags>      ..FV..... set graticule flags (default name)

       white  ..FV..... draw white point

       black  ..FV..... draw black point

       name   ..FV..... draw point name

       f      <flags>      ..FV..... set graticule flags (default name)

       white  ..FV..... draw white point

       black  ..FV..... draw black point

       name   ..FV..... draw point name

       bgopacity
              <float>      ..FV..... set background opacity (from 0 to 1) (default 0.3)

       b      <float>      ..FV..... set background opacity (from 0 to 1) (default 0.3)

       lthreshold
              <float>      ..FV..... set low threshold (from 0 to 1) (default 0)

       l      <float>      ..FV..... set low threshold (from 0 to 1) (default 0)

       hthreshold
              <float>      ..FV..... set high threshold (from 0 to 1) (default 1)

       h      <float>      ..FV..... set high threshold (from 0 to 1) (default 1)

       colorspace
              <int>        ..FV..... set colorspace (from 0 to 2) (default auto)

       auto   ..FV.....

       601    ..FV.....

       709    ..FV.....

       c      <int>        ..FV..... set colorspace (from 0 to 2) (default auto)

       auto   ..FV.....

       601    ..FV.....

       709    ..FV.....

       vflip AVOptions:

   vibrance AVOptions:
       intensity
              <float>      ..FV..... set the intensity value (from -2 to 2) (default 0)

       rbal   <float>      ..FV..... set the red balance value (from -10 to 10) (default 1)

       gbal   <float>      ..FV..... set the green balance value (from -10 to 10) (default 1)

       bbal   <float>      ..FV..... set the blue balance value (from -10 to 10) (default 1)

       rlum   <float>       ..FV.....  set  the  red  luma  coefficient  (from  0  to 1) (default
              0.072186)

       glum   <float>      ..FV..... set the green  luma  coefficient  (from  0  to  1)  (default
              0.715158)

       blum   <float>       ..FV.....  set  the  blue  luma  coefficient  (from  0 to 1) (default
              0.212656)

       alternate
              <boolean>    ..FV..... use alternate colors (default false)

   vignette AVOptions:
       angle  <string>     ..FV..... set lens angle (default "PI/5")

       a      <string>     ..FV..... set lens angle (default "PI/5")

       x0     <string>     ..FV..... set circle center position on x-axis (default "w/2")

       y0     <string>     ..FV..... set circle center position on y-axis (default "h/2")

       mode   <int>        ..FV..... set forward/backward mode (from 0 to 1) (default forward)

       forward
              ..FV.....

       backward
              ..FV.....

       eval   <int>        ..FV..... specify when to evaluate expressions (from 0 to 1)  (default
              init)

       init   ..FV..... eval expressions once during initialization

       frame  ..FV..... eval expressions for each frame

       dither <boolean>    ..FV..... set dithering (default true)

       aspect <rational>   ..FV..... set aspect ratio (from 0 to DBL_MAX) (default 1/1)

   vmafmotion AVOptions:
       stats_file
              <string>     ..FV..... Set file where to store per-frame difference information

   vstack AVOptions:
       inputs <int>        ..FV..... set number of inputs (from 2 to INT_MAX) (default 2)

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

   w3fdif AVOptions:
       filter <int>        ..FV..... specify the filter (from 0 to 1) (default complex)

       simple ..FV.....

       complex
              ..FV.....

       deint  <int>        ..FV..... specify which frames to deinterlace (from 0 to  1)  (default
              all)

       all    ..FV..... deinterlace all frames

       interlaced
              ..FV..... only deinterlace frames marked as interlaced

   waveform AVOptions:
       mode   <int>        ..FV..... set mode (from 0 to 1) (default column)

       row    ..FV.....

       column ..FV.....

       m      <int>        ..FV..... set mode (from 0 to 1) (default column)

       row    ..FV.....

       column ..FV.....

       intensity
              <float>      ..FV..... set intensity (from 0 to 1) (default 0.04)

       i      <float>      ..FV..... set intensity (from 0 to 1) (default 0.04)

       mirror <boolean>    ..FV..... set mirroring (default true)

       r      <boolean>    ..FV..... set mirroring (default true)

       display
              <int>        ..FV..... set display mode (from 0 to 2) (default stack)

       overlay
              ..FV.....

       stack  ..FV.....

       parade ..FV.....

       d      <int>        ..FV..... set display mode (from 0 to 2) (default stack)

       overlay
              ..FV.....

       stack  ..FV.....

       parade ..FV.....

       components
              <int>        ..FV..... set components to display (from 1 to 15) (default 1)

       c      <int>        ..FV..... set components to display (from 1 to 15) (default 1)

       envelope
              <int>        ..FV..... set envelope to display (from 0 to 3) (default none)

       none   ..FV.....

       instant
              ..FV.....

       peak   ..FV.....

       peak+instant
              ..FV.....

       e      <int>        ..FV..... set envelope to display (from 0 to 3) (default none)

       none   ..FV.....

       instant
              ..FV.....

       peak   ..FV.....

       peak+instant
              ..FV.....

       filter <int>        ..FV..... set filter (from 0 to 6) (default lowpass)

       lowpass
              ..FV.....

       flat   ..FV.....

       aflat  ..FV.....

       chroma ..FV.....

       color  ..FV.....

       acolor ..FV.....

       xflat  ..FV.....

       f      <int>        ..FV..... set filter (from 0 to 6) (default lowpass)

       lowpass
              ..FV.....

       flat   ..FV.....

       aflat  ..FV.....

       chroma ..FV.....

       color  ..FV.....

       acolor ..FV.....

       xflat  ..FV.....

       graticule
              <int>        ..FV..... set graticule (from 0 to 2) (default none)

       none   ..FV.....

       green  ..FV.....

       orange ..FV.....

       g      <int>        ..FV..... set graticule (from 0 to 2) (default none)

       none   ..FV.....

       green  ..FV.....

       orange ..FV.....

       opacity
              <float>      ..FV..... set graticule opacity (from 0 to 1) (default 0.75)

       o      <float>      ..FV..... set graticule opacity (from 0 to 1) (default 0.75)

       flags  <flags>      ..FV..... set graticule flags (default numbers)

       numbers
              ..FV..... draw numbers

       dots   ..FV..... draw dots instead of lines

       fl     <flags>      ..FV..... set graticule flags (default numbers)

       numbers
              ..FV..... draw numbers

       dots   ..FV..... draw dots instead of lines

       scale  <int>        ..FV..... set scale (from 0 to 2) (default digital)

       digital
              ..FV.....

       millivolts
              ..FV.....

       ire    ..FV.....

       s      <int>        ..FV..... set scale (from 0 to 2) (default digital)

       digital
              ..FV.....

       millivolts
              ..FV.....

       ire    ..FV.....

       bgopacity
              <float>      ..FV..... set background opacity (from 0 to 1) (default 0.75)

       b      <float>      ..FV..... set background opacity (from 0 to 1) (default 0.75)

   weave AVOptions:
       first_field
              <int>        ..FV..... set first field (from 0 to 1) (default top)

       top    ..FV..... set top field first

       t      ..FV..... set top field first

       bottom ..FV..... set bottom field first

       b      ..FV..... set bottom field first

   xbr AVOptions:
       n      <int>        ..FV..... set scale factor (from 2 to 4) (default 3)

   xmedian AVOptions:
       inputs <int>        ..FV..... set number of inputs (from 3 to 255) (default 3)

       planes <int>        ..FV..... set planes to filter (from 0 to 15) (default 15)

   xstack AVOptions:
       inputs <int>        ..FV..... set number of inputs (from 2 to INT_MAX) (default 2)

       layout <string>     ..FV..... set custom layout

       shortest
              <boolean>     ..FV.....  force  termination  when  the  shortest  input  terminates
              (default false)

   yadif AVOptions:
       mode   <int>        ..FV.....  specify  the  interlacing  mode  (from  0  to  3)  (default
              send_frame)

       send_frame
              ..FV..... send one frame for each frame

       send_field
              ..FV..... send one frame for each field

       send_frame_nospatial
              ..FV..... send one frame for each frame, but skip spatial interlacing check

       send_field_nospatial
              ..FV..... send one frame for each field, but skip spatial interlacing check

       parity <int>         ..FV.....  specify  the  assumed  picture field parity (from -1 to 1)
              (default auto)

       tff    ..FV..... assume top field first

       bff    ..FV..... assume bottom field first

       auto   ..FV..... auto detect parity

       deint  <int>        ..FV..... specify which frames to deinterlace (from 0 to  1)  (default
              all)

       all    ..FV..... deinterlace all frames

       interlaced
              ..FV..... only deinterlace frames marked as interlaced

   zoompan AVOptions:
       zoom   <string>     ..FV..... set the zoom expression (default "1")

       z      <string>     ..FV..... set the zoom expression (default "1")

       x      <string>     ..FV..... set the x expression (default "0")

       y      <string>     ..FV..... set the y expression (default "0")

       d      <string>     ..FV..... set the duration expression (default "90")

       s      <image_size> ..FV..... set the output image size (default "hd720")

       fps    <video_rate> ..FV..... set the output framerate (default "25")

   allrgb AVOptions:
       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>    ..FV.....  set video sample aspect ratio (from 0 to INT_MAX) (default
              1/1)

   allyuv AVOptions:
       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>   ..FV..... set video sample aspect ratio (from 0 to  INT_MAX)  (default
              1/1)

   cellauto AVOptions:
       filename
              <string>     ..FV..... read initial pattern from file

       f      <string>     ..FV..... read initial pattern from file

       pattern
              <string>     ..FV..... set initial pattern

       p      <string>     ..FV..... set initial pattern

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       size   <image_size> ..FV..... set video size

       s      <image_size> ..FV..... set video size

       rule   <int>        ..FV..... set rule (from 0 to 255) (default 110)

       random_fill_ratio <double>
              ..FV.....  set  fill ratio for filling initial grid randomly (from 0 to 1) (default
              0.618034)

       ratio  <double>     ..FV..... set fill ratio for filling initial grid randomly (from 0  to
              1) (default 0.618034)

       random_seed
              <int>         ..FV..... set the seed for filling the initial grid randomly (from -1
              to UINT32_MAX) (default -1)

       seed   <int>        ..FV..... set the seed for filling the initial grid randomly (from  -1
              to UINT32_MAX) (default -1)

       scroll <boolean>    ..FV..... scroll pattern downward (default true)

       start_full
              <boolean>    ..FV..... start filling the whole video (default false)

       full   <boolean>    ..FV..... start filling the whole video (default true)

       stitch <boolean>    ..FV..... stitch boundaries (default true)

   color AVOptions:
       color  <color>      ..FV..... set color (default "black")

       c      <color>      ..FV..... set color (default "black")

       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>    ..FV.....  set video sample aspect ratio (from 0 to INT_MAX) (default
              1/1)

   haldclutsrc AVOptions:
       level  <int>        ..FV..... set level (from 2 to 8) (default 6)

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>   ..FV..... set video sample aspect ratio (from 0 to  INT_MAX)  (default
              1/1)

   life AVOptions:
       filename
              <string>     ..FV..... set source file

       f      <string>     ..FV..... set source file

       size   <image_size> ..FV..... set video size

       s      <image_size> ..FV..... set video size

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       rule   <string>     ..FV..... set rule (default "B3/S23")

       random_fill_ratio <double>
              ..FV.....  set  fill ratio for filling initial grid randomly (from 0 to 1) (default
              0.618034)

       ratio  <double>     ..FV..... set fill ratio for filling initial grid randomly (from 0  to
              1) (default 0.618034)

       random_seed
              <int>         ..FV..... set the seed for filling the initial grid randomly (from -1
              to UINT32_MAX) (default -1)

       seed   <int>        ..FV..... set the seed for filling the initial grid randomly (from  -1
              to UINT32_MAX) (default -1)

       stitch <boolean>    ..FV..... stitch boundaries (default true)

       mold   <int>        ..FV..... set mold speed for dead cells (from 0 to 255) (default 0)

       life_color
              <color>      ..FV..... set life color (default "white")

       death_color
              <color>      ..FV..... set death color (default "black")

       mold_color
              <color>      ..FV..... set mold color (default "black")

   mandelbrot AVOptions:
       size   <image_size> ..FV..... set frame size (default "640x480")

       s      <image_size> ..FV..... set frame size (default "640x480")

       rate   <video_rate> ..FV..... set frame rate (default "25")

       r      <video_rate> ..FV..... set frame rate (default "25")

       maxiter
              <int>        ..FV..... set max iterations number (from 1 to INT_MAX) (default 7189)

       start_x
              <double>      ..FV.....  set  the  initial  x  position (from -100 to 100) (default
              -0.743644)

       start_y
              <double>     ..FV..... set the initial y  position  (from  -100  to  100)  (default
              -0.131826)

       start_scale
              <double>     ..FV..... set the initial scale value (from 0 to FLT_MAX) (default 3)

       end_scale
              <double>      ..FV.....  set  the terminal scale value (from 0 to FLT_MAX) (default
              0.3)

       end_pts
              <double>     ..FV..... set the terminal pts value (from 0 to I64_MAX) (default 400)

       bailout
              <double>     ..FV..... set the bailout value (from 0 to FLT_MAX) (default 10)

       morphxf
              <double>     ..FV..... set morph x frequency (from -FLT_MAX  to  FLT_MAX)  (default
              0.01)

       morphyf
              <double>      ..FV.....  set  morph y frequency (from -FLT_MAX to FLT_MAX) (default
              0.0123)

       morphamp
              <double>     ..FV..... set morph amplitude (from -FLT_MAX to FLT_MAX) (default 0)

       outer  <int>        ..FV..... set  outer  coloring  mode  (from  0  to  INT_MAX)  (default
              normalized_iteration_count)

       iteration_count
              ..FV..... set iteration count mode

       normalized_iteration_count
              ..FV..... set normalized iteration count mode

       white  ..FV..... set white mode

       outz   ..FV..... set outz mode

       inner  <int>        ..FV..... set inner coloring mode (from 0 to INT_MAX) (default mincol)

       black  ..FV..... set black mode

       period ..FV..... set period mode

       convergence
              ..FV..... show time until convergence

       mincol ..FV..... color based on point closest to the origin of the iterations

   mptestsrc AVOptions:
       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       test   <int>        ..FV..... set test to perform (from 0 to INT_MAX) (default all)

       dc_luma
              ..FV.....

       dc_chroma
              ..FV.....

       freq_luma
              ..FV.....

       freq_chroma
              ..FV.....

       amp_luma
              ..FV.....

       amp_chroma
              ..FV.....

       cbp    ..FV.....

       mv     ..FV.....

       ring1  ..FV.....

       ring2  ..FV.....

       all    ..FV.....

       t      <int>        ..FV..... set test to perform (from 0 to INT_MAX) (default all)

       dc_luma
              ..FV.....

       dc_chroma
              ..FV.....

       freq_luma
              ..FV.....

       freq_chroma
              ..FV.....

       amp_luma
              ..FV.....

       amp_chroma
              ..FV.....

       cbp    ..FV.....

       mv     ..FV.....

       ring1  ..FV.....

       ring2  ..FV.....

       all    ..FV.....

   nullsrc AVOptions:
       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>    ..FV.....  set video sample aspect ratio (from 0 to INT_MAX) (default
              1/1)

   pal75bars AVOptions:
       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>   ..FV..... set video sample aspect ratio (from 0 to  INT_MAX)  (default
              1/1)

   pal100bars AVOptions:
       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>    ..FV.....  set video sample aspect ratio (from 0 to INT_MAX) (default
              1/1)

   rgbtestsrc AVOptions:
       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>   ..FV..... set video sample aspect ratio (from 0 to  INT_MAX)  (default
              1/1)

   smptebars AVOptions:
       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>    ..FV.....  set video sample aspect ratio (from 0 to INT_MAX) (default
              1/1)

   smptehdbars AVOptions:
       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>   ..FV..... set video sample aspect ratio (from 0 to  INT_MAX)  (default
              1/1)

   testsrc AVOptions:
       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>    ..FV.....  set video sample aspect ratio (from 0 to INT_MAX) (default
              1/1)

       decimals
              <int>        ..FV..... set number of decimals to show (from 0 to 17) (default 0)

       n      <int>        ..FV..... set number of decimals to show (from 0 to 17) (default 0)

   testsrc2 AVOptions:
       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>   ..FV..... set video sample aspect ratio (from 0 to  INT_MAX)  (default
              1/1)

       alpha  <int>        ..FV..... set global alpha (opacity) (from 0 to 255) (default 255)

   yuvtestsrc AVOptions:
       size   <image_size> ..FV..... set video size (default "320x240")

       s      <image_size> ..FV..... set video size (default "320x240")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       duration
              <duration>   ..FV..... set video duration (default -0.000001)

       d      <duration>   ..FV..... set video duration (default -0.000001)

       sar    <rational>    ..FV.....  set video sample aspect ratio (from 0 to INT_MAX) (default
              1/1)

   abitscope AVOptions:
       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       size   <image_size> ..FV..... set video size (default "1024x256")

       s      <image_size> ..FV..... set video size (default "1024x256")

       colors <string>           ..FV.....       set       channels        colors        (default
              "red|green|blue|yellow|orange|lime|pink|magenta|brown")

   adrawgraph AVOptions:
       m1     <string>     ..FV..... set 1st metadata key (default "")

       fg1    <string>     ..FV..... set 1st foreground color expression (default "0xffff0000")

       m2     <string>     ..FV..... set 2nd metadata key (default "")

       fg2    <string>     ..FV..... set 2nd foreground color expression (default "0xff00ff00")

       m3     <string>     ..FV..... set 3rd metadata key (default "")

       fg3    <string>     ..FV..... set 3rd foreground color expression (default "0xffff00ff")

       m4     <string>     ..FV..... set 4th metadata key (default "")

       fg4    <string>     ..FV..... set 4th foreground color expression (default "0xffffff00")

       bg     <color>      ..FV..... set background color (default "white")

       min    <float>      ..FV..... set minimal value (from INT_MIN to INT_MAX) (default -1)

       max    <float>      ..FV..... set maximal value (from INT_MIN to INT_MAX) (default 1)

       mode   <int>        ..FV..... set graph mode (from 0 to 2) (default line)

       bar    ..FV..... draw bars

       dot    ..FV..... draw dots

       line   ..FV..... draw lines

       slide  <int>        ..FV..... set slide mode (from 0 to 4) (default frame)

       frame  ..FV..... draw new frames

       replace
              ..FV..... replace old columns with new

       scroll ..FV..... scroll from right to left

       rscroll
              ..FV..... scroll from left to right

       picture
              ..FV..... display graph in single frame

       size   <image_size> ..FV..... set graph size (default "900x256")

       s      <image_size> ..FV..... set graph size (default "900x256")

   agraphmonitor AVOptions:
       size   <image_size> ..FV..... set monitor size (default "hd720")

       s      <image_size> ..FV..... set monitor size (default "hd720")

       opacity
              <float>      ..FV..... set video opacity (from 0 to 1) (default 0.9)

       o      <float>      ..FV..... set video opacity (from 0 to 1) (default 0.9)

       mode   <int>        ..FV..... set mode (from 0 to 1) (default full)

       full   ..FV.....

       compact
              ..FV.....

       m      <int>        ..FV..... set mode (from 0 to 1) (default full)

       full   ..FV.....

       compact
              ..FV.....

       flags  <flags>      ..FV..... set flags (default queue)

       queue  ..FV.....

       frame_count_in
              ..FV.....

       frame_count_out
              ..FV.....

       pts    ..FV.....

       time   ..FV.....

       timebase
              ..FV.....

       format ..FV.....

       size   ..FV.....

       rate   ..FV.....

       f      <flags>      ..FV..... set flags (default queue)

       queue  ..FV.....

       frame_count_in
              ..FV.....

       frame_count_out
              ..FV.....

       pts    ..FV.....

       time   ..FV.....

       timebase
              ..FV.....

       format ..FV.....

       size   ..FV.....

       rate   ..FV.....

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

   ahistogram AVOptions:
       dmode  <int>         ..FV.....  set  method  to  display  channels  (from 0 to 1) (default
              single)

       single ..FV..... all channels use single histogram

       separate
              ..FV..... each channel have own histogram

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       size   <image_size> ..FV..... set video size (default "hd720")

       s      <image_size> ..FV..... set video size (default "hd720")

       scale  <int>        ..FV..... set display scale (from 0 to 4) (default log)

       log    ..FV..... logarithmic

       sqrt   ..FV..... square root

       cbrt   ..FV..... cubic root

       lin    ..FV..... linear

       rlog   ..FV..... reverse logarithmic

       ascale <int>        ..FV..... set amplitude scale (from 0 to 1) (default log)

       log    ..FV..... logarithmic

       lin    ..FV..... linear

       acount <int>        ..FV..... how much frames to accumulate (from -1 to 100) (default 1)

       rheight
              <float>      ..FV..... set histogram ratio of window height (from 0 to 1)  (default
              0.1)

       slide  <int>        ..FV..... set sonogram sliding (from 0 to 1) (default replace)

       replace
              ..FV..... replace old rows with new

       scroll ..FV..... scroll from top to bottom

   aphasemeter AVOptions:
       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       size   <image_size> ..FV..... set video size (default "800x400")

       s      <image_size> ..FV..... set video size (default "800x400")

       rc     <int>        ..FV..... set red contrast (from 0 to 255) (default 2)

       gc     <int>        ..FV..... set green contrast (from 0 to 255) (default 7)

       bc     <int>        ..FV..... set blue contrast (from 0 to 255) (default 1)

       mpc    <string>     ..FV..... set median phase color (default "none")

       video  <boolean>    ..FV..... set video output (default true)

   avectorscope AVOptions:
       mode   <int>        ..FV..... set mode (from 0 to 2) (default lissajous)

       lissajous
              ..FV.....

       lissajous_xy
              ..FV.....

       polar  ..FV.....

       m      <int>        ..FV..... set mode (from 0 to 2) (default lissajous)

       lissajous
              ..FV.....

       lissajous_xy
              ..FV.....

       polar  ..FV.....

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       size   <image_size> ..FV..... set video size (default "400x400")

       s      <image_size> ..FV..... set video size (default "400x400")

       rc     <int>        ..FV..... set red contrast (from 0 to 255) (default 40)

       gc     <int>        ..FV..... set green contrast (from 0 to 255) (default 160)

       bc     <int>        ..FV..... set blue contrast (from 0 to 255) (default 80)

       ac     <int>        ..FV..... set alpha contrast (from 0 to 255) (default 255)

       rf     <int>        ..FV..... set red fade (from 0 to 255) (default 15)

       gf     <int>        ..FV..... set green fade (from 0 to 255) (default 10)

       bf     <int>        ..FV..... set blue fade (from 0 to 255) (default 5)

       af     <int>        ..FV..... set alpha fade (from 0 to 255) (default 5)

       zoom   <double>     ..FV..... set zoom factor (from 0 to 10) (default 1)

       draw   <int>        ..FV..... set draw mode (from 0 to 1) (default dot)

       dot    ..FV.....

       line   ..FV.....

       scale  <int>        ..FV..... set amplitude scale mode (from 0 to 3) (default lin)

       lin    ..FV..... linear

       sqrt   ..FV..... square root

       cbrt   ..FV..... cube root

       log    ..FV..... logarithmic

       swap   <boolean>    ..FV..... swap x axis with y axis (default true)

       mirror <int>        ..FV..... mirror axis (from 0 to 3) (default none)

       none   ..FV..... no mirror

       x      ..FV..... mirror x

       y      ..FV..... mirror y

       xy     ..FV..... mirror both

   concat AVOptions:
       n      <int>         ..FVA.... specify the number of segments (from 1 to INT_MAX) (default
              2)

       v      <int>        ..FV..... specify the number of video  streams  (from  0  to  INT_MAX)
              (default 1)

       a      <int>         ..F.A....  specify  the  number  of audio streams (from 0 to INT_MAX)
              (default 0)

       unsafe <boolean>    ..FVA.... enable unsafe mode (default false)

   showcqt AVOptions:
       size   <image_size> ..FV..... set video size (default "1920x1080")

       s      <image_size> ..FV..... set video size (default "1920x1080")

       fps    <video_rate> ..FV..... set video rate (default "25")

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       bar_h  <int>        ..FV..... set bargraph height (from -1 to INT_MAX) (default -1)

       axis_h <int>        ..FV..... set axis height (from -1 to INT_MAX) (default -1)

       sono_h <int>        ..FV..... set sonogram height (from -1 to INT_MAX) (default -1)

       fullhd <boolean>    ..FV..... set fullhd size (default true)

       sono_v <string>     ..FV..... set sonogram volume (default "16")

       volume <string>     ..FV..... set sonogram volume (default "16")

       bar_v  <string>     ..FV..... set bargraph volume (default "sono_v")

       volume2
              <string>     ..FV..... set bargraph volume (default "sono_v")

       sono_g <float>      ..FV..... set sonogram gamma (from 1 to 7) (default 3)

       gamma  <float>      ..FV..... set sonogram gamma (from 1 to 7) (default 3)

       bar_g  <float>      ..FV..... set bargraph gamma (from 1 to 7) (default 1)

       gamma2 <float>      ..FV..... set bargraph gamma (from 1 to 7) (default 1)

       bar_t  <float>      ..FV..... set bar transparency (from 0 to 1) (default 1)

       timeclamp
              <double>     ..FV..... set timeclamp (from 0.002 to 1) (default 0.17)

       tc     <double>     ..FV..... set timeclamp (from 0.002 to 1) (default 0.17)

       attack <double>     ..FV..... set attack time (from 0 to 1) (default 0)

       basefreq
              <double>     ..FV..... set base frequency (from 10 to 100000) (default 20.0152)

       endfreq
              <double>     ..FV..... set end frequency (from 10 to 100000) (default 20495.6)

       coeffclamp
              <float>      ..FV..... set coeffclamp (from 0.1 to 10) (default 1)

       tlength
              <string>     ..FV..... set tlength (default "384*tc/(384+tc*f)")

       count  <int>        ..FV..... set transform count (from 1 to 30) (default 6)

       fcount <int>        ..FV..... set frequency count (from 0 to 10) (default 0)

       fontfile
              <string>     ..FV..... set axis font file

       font   <string>     ..FV..... set axis font

       fontcolor
              <string>     ..FV..... set  font  color  (default  "st(0,  (midi(f)-59.5)/12);st(1,
              if(between(ld(0),0,1), 0.5-0.5*cos(2*PI*ld(0)), 0));r(1-ld(1)) + b(ld(1))")

       axisfile
              <string>     ..FV..... set axis image

       axis   <boolean>    ..FV..... draw axis (default true)

       text   <boolean>    ..FV..... draw axis (default true)

       csp    <int>        ..FV..... set color space (from 0 to INT_MAX) (default unspecified)

       unspecified
              ..FV..... unspecified

       bt709  ..FV..... bt709

       fcc    ..FV..... fcc

       bt470bg
              ..FV..... bt470bg

       smpte170m
              ..FV..... smpte170m

       smpte240m
              ..FV..... smpte240m

       bt2020ncl
              ..FV..... bt2020ncl

       cscheme
              <string>     ..FV..... set color scheme (default "1|0.5|0|0|0.5|1")

   showfreqs AVOptions:
       size   <image_size> ..FV..... set video size (default "1024x512")

       s      <image_size> ..FV..... set video size (default "1024x512")

       mode   <int>        ..FV..... set display mode (from 0 to 2) (default bar)

       line   ..FV..... show lines

       bar    ..FV..... show bars

       dot    ..FV..... show dots

       ascale <int>        ..FV..... set amplitude scale (from 0 to 3) (default log)

       lin    ..FV..... linear

       sqrt   ..FV..... square root

       cbrt   ..FV..... cubic root

       log    ..FV..... logarithmic

       fscale <int>        ..FV..... set frequency scale (from 0 to 2) (default lin)

       lin    ..FV..... linear

       log    ..FV..... logarithmic

       rlog   ..FV..... reverse logarithmic

       win_size
              <int>        ..FV..... set window size (from 16 to 65536) (default 2048)

       win_func
              <int>        ..FV..... set window function (from 0 to 19) (default hanning)

       rect   ..FV..... Rectangular

       bartlett
              ..FV..... Bartlett

       hanning
              ..FV..... Hanning

       hamming
              ..FV..... Hamming

       blackman
              ..FV..... Blackman

       welch  ..FV..... Welch

       flattop
              ..FV..... Flat-top

       bharris
              ..FV..... Blackman-Harris

       bnuttall
              ..FV..... Blackman-Nuttall

       bhann  ..FV..... Bartlett-Hann

       sine   ..FV..... Sine

       nuttall
              ..FV..... Nuttall

       lanczos
              ..FV..... Lanczos

       gauss  ..FV..... Gauss

       tukey  ..FV..... Tukey

       dolph  ..FV..... Dolph-Chebyshev

       cauchy ..FV..... Cauchy

       parzen ..FV..... Parzen

       poisson
              ..FV..... Poisson

       bohman ..FV..... Bohman

       overlap
              <float>      ..FV..... set window overlap (from 0 to 1) (default 1)

       averaging
              <int>        ..FV..... set time averaging (from 0 to INT_MAX) (default 1)

       colors <string>            ..FV.....        set       channels       colors       (default
              "red|green|blue|yellow|orange|lime|pink|magenta|brown")

       cmode  <int>        ..FV..... set channel mode (from 0 to 1) (default combined)

       combined
              ..FV..... show all channels in same window

       separate
              ..FV..... show each channel in own window

       minamp <float>      ..FV..... set minimum  amplitude  (from  FLT_MIN  to  1e-06)  (default
              1e-06)

   showspatial AVOptions:
       size   <image_size> ..FV..... set video size (default "512x512")

       s      <image_size> ..FV..... set video size (default "512x512")

       win_size
              <int>        ..FV..... set window size (from 1024 to 65536) (default 4096)

       win_func
              <int>        ..FV..... set window function (from 0 to 19) (default hann)

       rect   ..FV..... Rectangular

       bartlett
              ..FV..... Bartlett

       hann   ..FV..... Hann

       hanning
              ..FV..... Hanning

       hamming
              ..FV..... Hamming

       blackman
              ..FV..... Blackman

       welch  ..FV..... Welch

       flattop
              ..FV..... Flat-top

       bharris
              ..FV..... Blackman-Harris

       bnuttall
              ..FV..... Blackman-Nuttall

       bhann  ..FV..... Bartlett-Hann

       sine   ..FV..... Sine

       nuttall
              ..FV..... Nuttall

       lanczos
              ..FV..... Lanczos

       gauss  ..FV..... Gauss

       tukey  ..FV..... Tukey

       dolph  ..FV..... Dolph-Chebyshev

       cauchy ..FV..... Cauchy

       parzen ..FV..... Parzen

       poisson
              ..FV..... Poisson

       bohman ..FV..... Bohman

       overlap
              <float>      ..FV..... set window overlap (from 0 to 1) (default 0.5)

   showspectrum AVOptions:
       size   <image_size> ..FV..... set video size (default "640x512")

       s      <image_size> ..FV..... set video size (default "640x512")

       slide  <int>        ..FV..... set sliding mode (from 0 to 3) (default replace)

       replace
              ..FV..... replace old columns with new

       scroll ..FV..... scroll from right to left

       fullframe
              ..FV..... return full frames

       rscroll
              ..FV..... scroll from left to right

       mode   <int>        ..FV..... set channel display mode (from 0 to 1) (default combined)

       combined
              ..FV..... combined mode

       separate
              ..FV..... separate mode

       color  <int>        ..FV..... set channel coloring (from 0 to 14) (default channel)

       channel
              ..FV..... separate color for each channel

       intensity
              ..FV..... intensity based coloring

       rainbow
              ..FV..... rainbow based coloring

       moreland
              ..FV..... moreland based coloring

       nebulae
              ..FV..... nebulae based coloring

       fire   ..FV..... fire based coloring

       fiery  ..FV..... fiery based coloring

       fruit  ..FV..... fruit based coloring

       cool   ..FV..... cool based coloring

       magma  ..FV..... magma based coloring

       green  ..FV..... green based coloring

       viridis
              ..FV..... viridis based coloring

       plasma ..FV..... plasma based coloring

       cividis
              ..FV..... cividis based coloring

       terrain
              ..FV..... terrain based coloring

       scale  <int>        ..FV..... set display scale (from 0 to 5) (default sqrt)

       lin    ..FV..... linear

       sqrt   ..FV..... square root

       cbrt   ..FV..... cubic root

       log    ..FV..... logarithmic

       4thrt  ..FV..... 4th root

       5thrt  ..FV..... 5th root

       fscale <int>        ..FV..... set frequency scale (from 0 to 1) (default lin)

       lin    ..FV..... linear

       log    ..FV..... logarithmic

       saturation
              <float>      ..FV..... color saturation multiplier (from -10 to 10) (default 1)

       win_func
              <int>        ..FV..... set window function (from 0 to 19) (default hann)

       rect   ..FV..... Rectangular

       bartlett
              ..FV..... Bartlett

       hann   ..FV..... Hann

       hanning
              ..FV..... Hanning

       hamming
              ..FV..... Hamming

       blackman
              ..FV..... Blackman

       welch  ..FV..... Welch

       flattop
              ..FV..... Flat-top

       bharris
              ..FV..... Blackman-Harris

       bnuttall
              ..FV..... Blackman-Nuttall

       bhann  ..FV..... Bartlett-Hann

       sine   ..FV..... Sine

       nuttall
              ..FV..... Nuttall

       lanczos
              ..FV..... Lanczos

       gauss  ..FV..... Gauss

       tukey  ..FV..... Tukey

       dolph  ..FV..... Dolph-Chebyshev

       cauchy ..FV..... Cauchy

       parzen ..FV..... Parzen

       poisson
              ..FV..... Poisson

       bohman ..FV..... Bohman

       orientation
              <int>        ..FV..... set orientation (from 0 to 1) (default vertical)

       vertical
              ..FV.....

       horizontal
              ..FV.....

       overlap
              <float>      ..FV..... set window overlap (from 0 to 1) (default 0)

       gain   <float>      ..FV..... set scale gain (from 0 to 128) (default 1)

       data   <int>        ..FV..... set data mode (from 0 to 1) (default magnitude)

       magnitude
              ..FV.....

       phase  ..FV.....

       rotation
              <float>      ..FV..... color rotation (from -1 to 1) (default 0)

       start  <int>        ..FV..... start frequency (from 0 to INT_MAX) (default 0)

       stop   <int>        ..FV..... stop frequency (from 0 to INT_MAX) (default 0)

       fps    <string>     ..FV..... set video rate (default "auto")

       legend <boolean>    ..FV..... draw legend (default false)

   showspectrumpic AVOptions:
       size   <image_size> ..FV..... set video size (default "4096x2048")

       s      <image_size> ..FV..... set video size (default "4096x2048")

       mode   <int>        ..FV..... set channel display mode (from 0 to 1) (default combined)

       combined
              ..FV..... combined mode

       separate
              ..FV..... separate mode

       color  <int>        ..FV..... set channel coloring (from 0 to 14) (default intensity)

       channel
              ..FV..... separate color for each channel

       intensity
              ..FV..... intensity based coloring

       rainbow
              ..FV..... rainbow based coloring

       moreland
              ..FV..... moreland based coloring

       nebulae
              ..FV..... nebulae based coloring

       fire   ..FV..... fire based coloring

       fiery  ..FV..... fiery based coloring

       fruit  ..FV..... fruit based coloring

       cool   ..FV..... cool based coloring

       magma  ..FV..... magma based coloring

       green  ..FV..... green based coloring

       viridis
              ..FV..... viridis based coloring

       plasma ..FV..... plasma based coloring

       cividis
              ..FV..... cividis based coloring

       terrain
              ..FV..... terrain based coloring

       scale  <int>        ..FV..... set display scale (from 0 to 5) (default log)

       lin    ..FV..... linear

       sqrt   ..FV..... square root

       cbrt   ..FV..... cubic root

       log    ..FV..... logarithmic

       4thrt  ..FV..... 4th root

       5thrt  ..FV..... 5th root

       fscale <int>        ..FV..... set frequency scale (from 0 to 1) (default lin)

       lin    ..FV..... linear

       log    ..FV..... logarithmic

       saturation
              <float>      ..FV..... color saturation multiplier (from -10 to 10) (default 1)

       win_func
              <int>        ..FV..... set window function (from 0 to 19) (default hann)

       rect   ..FV..... Rectangular

       bartlett
              ..FV..... Bartlett

       hann   ..FV..... Hann

       hanning
              ..FV..... Hanning

       hamming
              ..FV..... Hamming

       blackman
              ..FV..... Blackman

       welch  ..FV..... Welch

       flattop
              ..FV..... Flat-top

       bharris
              ..FV..... Blackman-Harris

       bnuttall
              ..FV..... Blackman-Nuttall

       bhann  ..FV..... Bartlett-Hann

       sine   ..FV..... Sine

       nuttall
              ..FV..... Nuttall

       lanczos
              ..FV..... Lanczos

       gauss  ..FV..... Gauss

       tukey  ..FV..... Tukey

       dolph  ..FV..... Dolph-Chebyshev

       cauchy ..FV..... Cauchy

       parzen ..FV..... Parzen

       poisson
              ..FV..... Poisson

       bohman ..FV..... Bohman

       orientation
              <int>        ..FV..... set orientation (from 0 to 1) (default vertical)

       vertical
              ..FV.....

       horizontal
              ..FV.....

       gain   <float>      ..FV..... set scale gain (from 0 to 128) (default 1)

       legend <boolean>    ..FV..... draw legend (default true)

       rotation
              <float>      ..FV..... color rotation (from -1 to 1) (default 0)

       start  <int>        ..FV..... start frequency (from 0 to INT_MAX) (default 0)

       stop   <int>        ..FV..... stop frequency (from 0 to INT_MAX) (default 0)

   showvolume AVOptions:
       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       b      <int>        ..FV..... set border width (from 0 to 5) (default 1)

       w      <int>        ..FV..... set channel width (from 80 to 8192) (default 400)

       h      <int>        ..FV..... set channel height (from 1 to 900) (default 20)

       f      <double>     ..FV..... set fade (from 0 to 1) (default 0.95)

       c      <string>         ..FV.....     set     volume     color     expression     (default
              "PEAK*255+floor((1-PEAK)*255)*256+0xff000000")

       t      <boolean>    ..FV..... display channel names (default true)

       v      <boolean>    ..FV..... display volume value (default true)

       dm     <double>     ..FV..... duration for max value display (from 0 to 9000) (default 0)

       dmc    <color>      ..FV..... set color of the max value line (default "orange")

       o      <int>        ..FV..... set orientation (from 0 to 1) (default h)

       h      ..FV..... horizontal

       v      ..FV..... vertical

       s      <int>        ..FV..... set step size (from 0 to 5) (default 0)

       p      <float>      ..FV..... set background opacity (from 0 to 1) (default 0)

       m      <int>        ..FV..... set mode (from 0 to 1) (default p)

       p      ..FV..... peak

       r      ..FV..... rms

       ds     <int>        ..FV..... set display scale (from 0 to 1) (default lin)

       lin    ..FV..... linear

       log    ..FV..... log

   showwaves AVOptions:
       size   <image_size> ..FV..... set video size (default "600x240")

       s      <image_size> ..FV..... set video size (default "600x240")

       mode   <int>        ..FV..... select display mode (from 0 to 3) (default point)

       point  ..FV..... draw a point for each sample

       line   ..FV..... draw a line for each sample

       p2p    ..FV..... draw a line between samples

       cline  ..FV..... draw a centered line for each sample

       n      <int>        ..FV..... set how many samples to show in the same point  (from  0  to
              INT_MAX) (default 0)

       rate   <video_rate> ..FV..... set video rate (default "25")

       r      <video_rate> ..FV..... set video rate (default "25")

       split_channels
              <boolean>    ..FV..... draw channels separately (default false)

       colors <string>            ..FV.....        set       channels       colors       (default
              "red|green|blue|yellow|orange|lime|pink|magenta|brown")

       scale  <int>        ..FV..... set amplitude scale (from 0 to 3) (default lin)

       lin    ..FV..... linear

       log    ..FV..... logarithmic

       sqrt   ..FV..... square root

       cbrt   ..FV..... cubic root

       draw   <int>        ..FV..... set draw mode (from 0 to 1) (default scale)

       scale  ..FV..... scale pixel values for each drawn sample

       full   ..FV..... draw every pixel for sample directly

   showwavespic AVOptions:
       size   <image_size> ..FV..... set video size (default "600x240")

       s      <image_size> ..FV..... set video size (default "600x240")

       split_channels
              <boolean>    ..FV..... draw channels separately (default false)

       colors <string>           ..FV.....       set       channels        colors        (default
              "red|green|blue|yellow|orange|lime|pink|magenta|brown")

       scale  <int>        ..FV..... set amplitude scale (from 0 to 3) (default lin)

       lin    ..FV..... linear

       log    ..FV..... logarithmic

       sqrt   ..FV..... square root

       cbrt   ..FV..... cubic root

       draw   <int>        ..FV..... set draw mode (from 0 to 1) (default scale)

       scale  ..FV..... scale pixel values for each drawn sample

       full   ..FV..... draw every pixel for sample directly

   spectrumsynth AVOptions:
       sample_rate
              <int>        ..F.A.... set sample rate (from 15 to INT_MAX) (default 44100)

       channels
              <int>        ..F.A.... set channels (from 1 to 8) (default 1)

       scale  <int>        ..FV..... set input amplitude scale (from 0 to 1) (default log)

       lin    ..FV..... linear

       log    ..FV..... logarithmic

       slide  <int>        ..FV..... set input sliding mode (from 0 to 3) (default fullframe)

       replace
              ..FV..... consume old columns with new

       scroll ..FV..... consume only most right column

       fullframe
              ..FV..... consume full frames

       rscroll
              ..FV..... consume only most left column

       win_func
              <int>        ..F.A.... set window function (from 0 to 19) (default rect)

       rect   ..F.A.... Rectangular

       bartlett
              ..F.A.... Bartlett

       hann   ..F.A.... Hann

       hanning
              ..F.A.... Hanning

       hamming
              ..F.A.... Hamming

       sine   ..F.A.... Sine

       overlap
              <float>      ..F.A.... set window overlap (from 0 to 1) (default 1)

       orientation
              <int>        ..FV..... set orientation (from 0 to 1) (default vertical)

       vertical
              ..FV.....

       horizontal
              ..FV.....

   amovie AVOptions:
       filename
              <string>     ..FVA....

       format_name
              <string>     ..FVA.... set format name

       f      <string>     ..FVA.... set format name

       stream_index
              <int>        ..FVA.... set stream index (from -1 to INT_MAX) (default -1)

       si     <int>        ..FVA.... set stream index (from -1 to INT_MAX) (default -1)

       seek_point
              <double>     ..FVA.... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)

       sp     <double>     ..FVA.... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)

       streams
              <string>     ..FVA.... set streams

       s      <string>     ..FVA.... set streams

       loop   <int>        ..FVA.... set loop count (from 0 to INT_MAX) (default 1)

       discontinuity
              <duration>   ..FVA.... set discontinuity threshold (default 0)

   movie AVOptions:
       filename
              <string>     ..FVA....

       format_name
              <string>     ..FVA.... set format name

       f      <string>     ..FVA.... set format name

       stream_index
              <int>        ..FVA.... set stream index (from -1 to INT_MAX) (default -1)

       si     <int>        ..FVA.... set stream index (from -1 to INT_MAX) (default -1)

       seek_point
              <double>     ..FVA.... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)

       sp     <double>     ..FVA.... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)

       streams
              <string>     ..FVA.... set streams

       s      <string>     ..FVA.... set streams

       loop   <int>        ..FVA.... set loop count (from 0 to INT_MAX) (default 1)

       discontinuity
              <duration>   ..FVA.... set discontinuity threshold (default 0)

   abuffer AVOptions:
       time_base
              <rational>   ..F.A.... (from 0 to INT_MAX) (default 0/1)

       sample_rate
              <int>        ..F.A.... (from 0 to INT_MAX) (default 0)

       sample_fmt
              <sample_fmt> ..F.A.... (default none)

       channel_layout
              <string>     ..F.A....

       channels
              <int>        ..F.A.... (from 0 to INT_MAX) (default 0)

   buffer AVOptions:
       width  <int>        ..FV..... (from 0 to INT_MAX) (default 0)

       video_size
              <image_size> ..FV.....

       height <int>        ..FV..... (from 0 to INT_MAX) (default 0)

       pix_fmt
              <pix_fmt>    ..FV..... (default none)

       sar    <rational>   ..FV..... sample aspect ratio (from 0 to DBL_MAX) (default 0/1)

       pixel_aspect
              <rational>   ..FV..... sample aspect ratio (from 0 to DBL_MAX) (default 0/1)

       time_base
              <rational>   ..FV..... (from 0 to DBL_MAX) (default 0/1)

       frame_rate
              <rational>   ..FV..... (from 0 to DBL_MAX) (default 0/1)

       sws_param
              <string>     ..FV.....

   abuffersink AVOptions:
       sample_fmts
              <binary>     ..F.A.... set the supported sample formats

       sample_rates
              <binary>     ..F.A.... set the supported sample rates

       channel_layouts
              <binary>     ..F.A.... set the supported channel layouts

       channel_counts
              <binary>     ..F.A.... set the supported channel counts

       all_channel_counts <boolean>
              ..F.A.... accept all channel counts (default false)

   buffersink AVOptions:
       pix_fmts
              <binary>     ..FV..... set the supported pixel formats

       While  playing:  q,  ESC               quit  f                   toggle full screen p, SPC
       pause m                   toggle mute 9, 0                 decrease  and  increase  volume
       respectively   /,   *                  decrease   and   increase   volume  respectively  a
       cycle audio channel in the current  program  v                    cycle  video  channel  t
       cycle  subtitle  channel  in  the  current  program  c                    cycle  program w
       cycle video filters or show modes s                   activate frame-step mode  left/right
       seek  backward/forward  10  seconds or to custom interval if -seek_interval is set down/up
       seek backward/forward 1 minute page down/page up   seek backward/forward 10 minutes  right
       mouse  click    seek  to  percentage  in  file  corresponding  to  fraction  of width left
       double-click   toggle full screen

mythffplay 31.0+fixes.20200323.9579662cdc-0uMarch12020                              MYTHFFPLAY(1)