Provided by: vpx-tools_1.14.1-1ubuntu1_amd64 
NAME
vpxenc - VP8 and VP9 video codec encoding tool
SYNOPSIS
vpxenc <options> -o dst_filename src_filename
OPTIONS
-D, --debug
Debug mode (makes output deterministic)
-o <arg>, --output=<arg>
Output filename
--codec=<arg>
Codec to use
-p <arg>, --passes=<arg>
Number of passes (1/2)
--pass=<arg>
Pass to execute (1/2)
--fpf=<arg>
First pass statistics file name
--limit=<arg>
Stop encoding after n input frames
--skip=<arg>
Skip the first n input frames
-d <arg>, --deadline=<arg>
Deadline per frame (usec)
--best Use Best Quality Deadline
--good Use Good Quality Deadline
--rt Use Realtime Quality Deadline
-q, --quiet
Do not print encode progress
-v, --verbose
Show encoder parameters
--psnr Show PSNR in status line
--webm Output WebM (default when WebM IO is enabled)
--ivf Output IVF
-P, --output-partitions
Makes encoder output partitions. Requires IVF output!
--q-hist=<arg>
Show quantizer histogram (n-buckets)
--rate-hist=<arg>
Show rate histogram (n-buckets)
--disable-warnings
Disable warnings about potentially incorrect encode settings.
-y, --disable-warning-prompt
Display warnings, but do not prompt user to continue.
--test-decode=<arg>
Test encode/decode mismatch
off, fatal, warn
Encoder Global Options:
--yv12 Input file is YV12
--i420 Input file is I420 (default)
--i422 Input file is I422
--i444 Input file is I444
--i440 Input file is I440
-u <arg>, --usage=<arg>
Usage profile number to use
-t <arg>, --threads=<arg>
Max number of threads to use
--profile=<arg>
Bitstream profile number to use
-w <arg>, --width=<arg>
Frame width
-h <arg>, --height=<arg>
Frame height
--stereo-mode=<arg>
Stereo 3D video format
mono, left-right, bottom-top, top-bottom, right-left
--timebase=<arg>
Output timestamp precision (fractional seconds)
--fps=<arg>
Stream frame rate (rate/scale)
--error-resilient=<arg>
Enable error resiliency features
--lag-in-frames=<arg>
Max number of frames to lag
Rate Control Options:
--drop-frame=<arg>
Temporal resampling threshold (buf %)
--resize-allowed=<arg>
Spatial resampling enabled (bool)
--resize-width=<arg>
Width of encoded frame
--resize-height=<arg>
Height of encoded frame
--resize-up=<arg>
Upscale threshold (buf %)
--resize-down=<arg>
Downscale threshold (buf %)
--end-usage=<arg>
Rate control mode
vbr, cbr, cq, q
--target-bitrate=<arg>
Bitrate (kbps)
--min-q=<arg>
Minimum (best) quantizer
--max-q=<arg>
Maximum (worst) quantizer
--undershoot-pct=<arg>
Datarate undershoot (min) target (%)
--overshoot-pct=<arg>
Datarate overshoot (max) target (%)
--buf-sz=<arg>
Client buffer size (ms)
--buf-initial-sz=<arg>
Client initial buffer size (ms)
--buf-optimal-sz=<arg>
Client optimal buffer size (ms)
Twopass Rate Control Options:
--bias-pct=<arg>
CBR/VBR bias (0=CBR, 100=VBR)
--minsection-pct=<arg>
GOP min bitrate (% of target)
--maxsection-pct=<arg>
GOP max bitrate (% of target)
Keyframe Placement Options:
--kf-min-dist=<arg>
Minimum keyframe interval (frames)
--kf-max-dist=<arg>
Maximum keyframe interval (frames)
--disable-kf
Disable keyframe placement
VP8 Specific Options:
--cpu-used=<arg>
CPU Used (-16..16)
--auto-alt-ref=<arg>
Enable automatic alt reference frames
--noise-sensitivity=<arg>
Noise sensitivity (frames to blur)
--sharpness=<arg>
Loop filter sharpness (0..7)
--static-thresh=<arg>
Motion detection threshold
--token-parts=<arg>
Number of token partitions to use, log2
--arnr-maxframes=<arg>
AltRef max frames (0..15)
--arnr-strength=<arg>
AltRef filter strength (0..6)
--arnr-type=<arg>
AltRef type
--tune=<arg>
Material to favor
psnr, ssim
--cq-level=<arg>
Constant/Constrained Quality level
--max-intra-rate=<arg>
Max I-frame bitrate (pct)
--screen-content-mode=<arg
Screen content mode
VP9 Specific Options:
--cpu-used=<arg>
CPU Used (-8..8)
--auto-alt-ref=<arg>
Enable automatic alt reference frames
--sharpness=<arg>
Loop filter sharpness (0..7)
--static-thresh=<arg>
Motion detection threshold
--tile-columns=<arg>
Number of tile columns to use, log2
--tile-rows=<arg>
Number of tile rows to use, log2 (set to 0 while threads > 1)
--arnr-maxframes=<arg>
AltRef max frames (0..15)
--arnr-strength=<arg>
AltRef filter strength (0..6)
--arnr-type=<arg>
AltRef type
--tune=<arg>
Material to favor
psnr, ssim
--cq-level=<arg>
Constant/Constrained Quality level
--max-intra-rate=<arg>
Max I-frame bitrate (pct)
--max-inter-rate=<arg>
Max P-frame bitrate (pct)
--gf-cbr-boost=<arg>
Boost for Golden Frame in CBR mode (pct)
--lossless=<arg>
Lossless mode (0: false (default), 1: true)
--frame-parallel=<arg>
Enable frame parallel decodability features
--aq-mode=<arg>
Adaptive quantization mode (0: off (default), 1: variance 2: complexity, 3: cyclic
refresh, 4: equator360)
--frame-boost=<arg>
Enable frame periodic boost (0: off (default), 1: on)
--noise-sensitivity=<arg>
Noise sensitivity (frames to blur)
--tune-content=<arg>
Tune content type
default, screen
--color-space=<arg>
The color space of input content:
unknown, bt601, bt709, smpte170, smpte240, bt2020, reserved, sRGB
--min-gf-interval=<arg>
min gf/arf frame interval (default 0, indicating in-built behavior)
--max-gf-interval=<arg>
max gf/arf frame interval (default 0, indicating in-built behavior)
--target-level=<arg>
Target level (255: off (default); 0: only keep level stats; 10: level 1.0; 11:
level 1.1; ... 62: level 6.2)
Stream timebase (--timebase):
The desired precision of timestamps in the output, expressed in fractional seconds.
Default is 1/1000.
Included encoders:
vp8 - WebM Project VP8 Encoder v1.6.0
vp9 - WebM Project VP9 Encoder v1.6.0 (default)
Use --codec to switch to a non-default encoder.
-D, --debug
Debug mode (makes output deterministic)
-o <arg>, --output=<arg>
Output filename
--codec=<arg>
Codec to use
-p <arg>, --passes=<arg>
Number of passes (1/2)
--pass=<arg>
Pass to execute (1/2)
--fpf=<arg>
First pass statistics file name
--limit=<arg>
Stop encoding after n input frames
--skip=<arg>
Skip the first n input frames
-d <arg>, --deadline=<arg>
Deadline per frame (usec)
--best Use Best Quality Deadline
--good Use Good Quality Deadline
--rt Use Realtime Quality Deadline
-q, --quiet
Do not print encode progress
-v, --verbose
Show encoder parameters
--psnr Show PSNR in status line
--webm Output WebM (default when WebM IO is enabled)
--ivf Output IVF
-P, --output-partitions
Makes encoder output partitions. Requires IVF output!
--q-hist=<arg>
Show quantizer histogram (n-buckets)
--rate-hist=<arg>
Show rate histogram (n-buckets)
--disable-warnings
Disable warnings about potentially incorrect encode settings.
-y, --disable-warning-prompt
Display warnings, but do not prompt user to continue.
--test-decode=<arg>
Test encode/decode mismatch
off, fatal, warn
Encoder Global Options:
--yv12 Input file is YV12
--i420 Input file is I420 (default)
--i422 Input file is I422
--i444 Input file is I444
--i440 Input file is I440
-u <arg>, --usage=<arg>
Usage profile number to use
-t <arg>, --threads=<arg>
Max number of threads to use
--profile=<arg>
Bitstream profile number to use
-w <arg>, --width=<arg>
Frame width
-h <arg>, --height=<arg>
Frame height
--stereo-mode=<arg>
Stereo 3D video format
mono, left-right, bottom-top, top-bottom, right-left
--timebase=<arg>
Output timestamp precision (fractional seconds)
--fps=<arg>
Stream frame rate (rate/scale)
--error-resilient=<arg>
Enable error resiliency features
--lag-in-frames=<arg>
Max number of frames to lag
Rate Control Options:
--drop-frame=<arg>
Temporal resampling threshold (buf %)
--resize-allowed=<arg>
Spatial resampling enabled (bool)
--resize-width=<arg>
Width of encoded frame
--resize-height=<arg>
Height of encoded frame
--resize-up=<arg>
Upscale threshold (buf %)
--resize-down=<arg>
Downscale threshold (buf %)
--end-usage=<arg>
Rate control mode
vbr, cbr, cq, q
--target-bitrate=<arg>
Bitrate (kbps)
--min-q=<arg>
Minimum (best) quantizer
--max-q=<arg>
Maximum (worst) quantizer
--undershoot-pct=<arg>
Datarate undershoot (min) target (%)
--overshoot-pct=<arg>
Datarate overshoot (max) target (%)
--buf-sz=<arg>
Client buffer size (ms)
--buf-initial-sz=<arg>
Client initial buffer size (ms)
--buf-optimal-sz=<arg>
Client optimal buffer size (ms)
Twopass Rate Control Options:
--bias-pct=<arg>
CBR/VBR bias (0=CBR, 100=VBR)
--minsection-pct=<arg>
GOP min bitrate (% of target)
--maxsection-pct=<arg>
GOP max bitrate (% of target)
Keyframe Placement Options:
--kf-min-dist=<arg>
Minimum keyframe interval (frames)
--kf-max-dist=<arg>
Maximum keyframe interval (frames)
--disable-kf
Disable keyframe placement
VP8 Specific Options:
--cpu-used=<arg>
CPU Used (-16..16)
--auto-alt-ref=<arg>
Enable automatic alt reference frames
--noise-sensitivity=<arg>
Noise sensitivity (frames to blur)
--sharpness=<arg>
Loop filter sharpness (0..7)
--static-thresh=<arg>
Motion detection threshold
--token-parts=<arg>
Number of token partitions to use, log2
--arnr-maxframes=<arg>
AltRef max frames (0..15)
--arnr-strength=<arg>
AltRef filter strength (0..6)
--arnr-type=<arg>
AltRef type
--tune=<arg>
Material to favor
psnr, ssim
--cq-level=<arg>
Constant/Constrained Quality level
--max-intra-rate=<arg>
Max I-frame bitrate (pct)
--screen-content-mode=<arg
Screen content mode
VP9 Specific Options:
--cpu-used=<arg>
CPU Used (-8..8)
--auto-alt-ref=<arg>
Enable automatic alt reference frames
--sharpness=<arg>
Loop filter sharpness (0..7)
--static-thresh=<arg>
Motion detection threshold
--tile-columns=<arg>
Number of tile columns to use, log2
--tile-rows=<arg>
Number of tile rows to use, log2 (set to 0 while threads > 1)
--arnr-maxframes=<arg>
AltRef max frames (0..15)
--arnr-strength=<arg>
AltRef filter strength (0..6)
--arnr-type=<arg>
AltRef type
--tune=<arg>
Material to favor
psnr, ssim
--cq-level=<arg>
Constant/Constrained Quality level
--max-intra-rate=<arg>
Max I-frame bitrate (pct)
--max-inter-rate=<arg>
Max P-frame bitrate (pct)
--gf-cbr-boost=<arg>
Boost for Golden Frame in CBR mode (pct)
--lossless=<arg>
Lossless mode (0: false (default), 1: true)
--frame-parallel=<arg>
Enable frame parallel decodability features
--aq-mode=<arg>
Adaptive quantization mode (0: off (default), 1: variance 2: complexity, 3: cyclic
refresh, 4: equator360)
--frame-boost=<arg>
Enable frame periodic boost (0: off (default), 1: on)
--noise-sensitivity=<arg>
Noise sensitivity (frames to blur)
--tune-content=<arg>
Tune content type
default, screen
--color-space=<arg>
The color space of input content:
unknown, bt601, bt709, smpte170, smpte240, bt2020, reserved, sRGB
--min-gf-interval=<arg>
min gf/arf frame interval (default 0, indicating in-built behavior)
--max-gf-interval=<arg>
max gf/arf frame interval (default 0, indicating in-built behavior)
--target-level=<arg>
Target level (255: off (default); 0: only keep level stats; 10: level 1.0; 11:
level 1.1; ... 62: level 6.2)
Stream timebase (--timebase):
The desired precision of timestamps in the output, expressed in fractional seconds.
Default is 1/1000.
Included encoders:
vp8 - WebM Project VP8 Encoder v1.6.0
vp9 - WebM Project VP9 Encoder v1.6.0 (default)
Use --codec to switch to a non-default encoder.
August 2016 VPXENC(1)