Provided by: recordmydesktop_0.3.8.1+svn602-1ubuntu3_i386 bug


       recordMyDesktop - record desktop sessions to an Ogg-Theora-Vorbis file.


       recordmydesktop [ Options ]^ filename


               recordMyDesktop  produces a file(default out.ogv) that contains
       a video and audio recording
       of a linux desktop session. The default behavior  of  recording  is  to
       mark areas that have changed(through libxdamage)
       and update the frame. This behavior can be changed (option --full-shots
       ) to produce a more accurate result
       or capture windows that do not generate events on  change(windows  with
       accelerated 3d context)
       but this will notably increase the workload.
       recordMyDesktop doesn't have a commandline interface.
       After startup, it can be controled only through the following signals:
       SIGUSR1  causes  the  program to pause if it's currently recording, and
       SIGTERM causes normal termination of the recording.
       SIGINT also causes normal termination.
       SIGABRT terminates the program and removes the specified output file.
       This signals can also be delivered on the application, with the use  of
       See  --pause-shortcut  and  --stop-shortcut  , on the Misc.  section of
       Options bellow.

       A typical scenario of recording can be a command as simple as:
       ~$ recordmydesktop
       which will produce a fullscreen recording named out.ogv
       while a command like:
       ~$ recordmydesktop foo.ogv
       will write output to foo.ogv
       Since version 0.3, encoding  will  happen  right  after  the  recording
       While  this  behavior saves a lot of CPU, you can revert to the old one
       by entering the --on-the-fly-encoding switch.
       To specify a region for recording you can type this:
       ~$ recordmydesktop -x X_pos -y Y_pos --width WIDTH --height  HEIGHT  -o
       where X_pos and Y_pos specify the offset in pixels from the upper left
       corner of your screen and WIDTH and HEIGHT the size of the window to be
       recorded(again in pixels).
       If the area  extends  beyond  your  current  resolution,  you  will  be
       notified appropriately and nothing will happen.
       Notice  also,  that  if  any  option is entered you have to specify the
       output file with the -o switch.
       If you try to save under a filename that already exists, the name  will
       be post-fixed with a number (incremented if that name exists already)
       To normally end a recording you can press ctl-c.
       (which will send a SIGINT to the program).
       For  further  manipulation  of  the  end result look at the OPTIONS and
       NOTES sections.


       0 is success
       Non-zero means an error occurred, which is printed in stderr.
       The following error codes indicate the nature of the error:
       1 Error while parsing the arguments.
       2 Initializing the encoder failed(either vorbis or theora).
       3 Could not open/configure sound card.
       4 Xdamage extension not present.
       5 Shared memory extension not present.
       6 Xfixes extension not present.
       7 XInitThreads failed.
       8 No $DISPLAY environment variable and none specified as argument.
       9 Cannot connect to Xserver.
       10 Color depth is not 32, 24 or 16bpp.
       11 Improper window specification.
       12 Cannot attach shared memory to proccess.
       13 Cannot open file for writting.
       14 Cannot load the Jack library ( UNUSED SINCE 0.3.8 ).
       15 Cannot create new client.
       16 Cannot activate client.
       17 Port registration/connection failure.


       Generic Options:

           -h or --help
                  Print help summary and exit.

                  Print program version and exit.

                  Print info about options  selected  during  compilation  and

       Image Options:

           --windowid id_of_window
                  id of window to be recorded.

           --display DISPLAY
                  Display to connect to.

           -x X
                  Offset in x direction.

           -y Y
                  Offset in y direction.

           --width N
                  Width of recorded window.

           --height N
                  Height of recorded window.

           --dummy-cursor color
                  Draw  a dummy cursor, instead of the normal one.Value
              of color can be "black" or "white".

                  Disable drawing of the cursor.

                  Disable usage of  MIT-shared  memory  extension  (Not

                  Take full screenshot at every frame(Not recomended!).

                  When this option is enabled, the capture area follows
              the mouse cursor. This
                  is meaningfull only  when  the  selected  area  is  a
              subset of the full screen.
                  This option auto-enables --full-shots.

                  Do  subsampling  of  the  chroma planes by discarding
              extra pixels.

           --fps N(number>0.0)
                  A positive number denoting desired framerate.

       Sound Options:

           --channels N(number>0)
                  A positive number denoting desired sound channels  in

           --freq N(number>0)
                  A positive number denoting desired sound frequency.

           --buffer-size N(number>0)
                  A  positive  number denoting the desired sound buffer
              size(in frames, when using ALSA or OSS).

           --ring-buffer-size N(float number>0)
                  A float number denoting the desired ring buffer  size
              (in seconds,when using JACK only).
                  The overall size of the buffer in bytes will be:
                  ring_buffer_size  *  samplerate  *  number_of_ports *
                  where sizeof(jack_default_audio_sample_t) is normally

           --device SOUND_DEVICE
                  Sound device(default hw:0,0 or /dev/dsp, depending on
              whether ALSA or OSS is used).

           --use-jack port1 port2... portn
                  Record  audio  from  the  specified  list  of  space-
              separated jack ports.
                  When  using  this  option, all the rest audio related
              ones(except --no-sound) are not taken into account.

                  Do not record sound.

       Encoding Options:

                  Encode the audio-video data, while recording.

           --v_quality n
                  A number from 0  to  63  for  desired  encoded  video
              quality(default 63).

           --v_bitrate n
                  A  number  from  45000 to 2000000 for desired encoded
              video bitrate(default 45000).

           --s_quality n
                  Desired audio quality(-1 to 10).

       Misc Options:

           --rescue path_to_data
                  Encode cache data from a previous  session,  into  an
                  file.  The  filename  will be the one that was chosen
                  Any other option specified  with  this  one  will  be
              implicitly ignored
                  and  recordMyDesktop  will  exit after the end of the
                  This option was added in recordMyDesktop 0.3.7 and it
              will not
                  work with cache files produced from earlier versions.
                  When     using    this    option,    remember    that
              recordMyDesktop's cache is
                  not safe, in respect to type-sizes and endianness.

                  Print  compilation  time  options.  Currently  prints
              whether Jack capture is
                  enabled  and if ALSA or OSS is used (may contain more
                  in the future).

                  When a 3d compositing window manager is detected  the
              program will function as if the
                  --full-shots  option  has been specified. This option
              disables that
                  behavior alltogether.

                  Normally, around the recording area, there is drawn a
              frame to assist
                  the  user  in  identifying what does and what doesn't
              get captured.
                  This frame will also follow around  the  mouse,  when
                  is  used. The frame might cause problems for drag and
              drop. If you do
                  not wish this frame to appear, use this option.

           --pause-shortcut MOD+KEY
                  Shortcut that will be used for pausing  or  unpausing
              the recording.
                  MOD  can be any combination of the following modifier
                  Control, Shift and Mod1 to Mod5. The modifiers can be
                  with  any  character(  except SPACE ) or none at all.
              KEY can be any key defined in
                  /usr/include/X11/keysymdef.h without the XK_ prefix.
                  The list of modifiers must be separated from the  key
              with a plus('+')
                  Default  is  Control+Mod1+p (Mod1 usually corresponds
              to left Alt).

           --stop-shortcut MOD+KEY
                  Shortcut that will be used to stop the recording.
                  For more, see -pause-shortcut above.
                  Default is Control+Mod1+s.

                  Image data are cached with a light compression.

           --workdir DIR
                  Location where a temporary directory will be  created
              to hold project files(default /tmp).

           --delay n[H|h|M|m]
                  Number   of  secs(default),minutes  or  hours  before
              capture starts(number can be float).

                  If there is already a file with the same name, delete
                  Default  action is to add a number postfix to the new
                  For example when not specifying a  name,  if  out.ogv
                  the  new  file  will  be out-1.ogv and if that exists
              too, out-2.ogv
                  and so on (no  ad-infinitum  though,  more  like  ad-

           -o filename
                  Name of recorded video(default out.ogv).

       If  no  other option is specified, filename can be given without
       the -o switch.


       recordmydesktop [OPTIONS]^filename


              Display environment  variable,  specifying  X  server  to
              connect to.


           Recording  a  window  using  the  --windowid option, doesn't
       track the window itself, but the region that it covers.
       Also when using  that  option  the  -x,-y,--width  and  --height
       options are relative to the specified window area.
       An  easy  way  to  find  out the id of a window, is by using the
       xwininfo program.
       Running a command like :
       xwininfo | awk ´/Window id:/ {print $4}´
       will give you only the id of the window(which should  look  like
       this: 0x4800005)
       More  conviniently  you  can  put  all  that in the command that
       launches recordMyDesktop like this:
       ~$recordmydesktop --windowid  $(xwininfo  |  awk  ´/Window  id:/
       {print $4}´)
           Also,  the  lower  quality you select on a video recording (
       -v_quality option), the highest CPU-power that you will need.
       So if you are doing the encoding on  the  fly  ,it's  better  to
       start  with  default  values  and manipulate the end-result with
       another program.
       An excellent converter  is  the  vlc  media  player,  which  can
       perform a variety of transcoding
       operations,   either  using  the  graphical  interface,  or  the
       commandline for more flexibility.
       vlc is a complex piece of software, so you should  consult  it's
       documentation, before
       using it.
       An  example follows, which will resize a recording named out.ogv
       to 512x384:
       vlc -I dummy out.ogv vlc:quit --sout "#transcode{ vcodec = theo,
       width = 512, height = 384 }:duplicate{ dst = std{ access = file,
       mux=ogg, dst = \"out_512x384.ogv\" }}"
       If you wish to change the  video  quality  you  can  append  the
       --sout-theora-quality=n, with n in the range [1,10] e.g:
       vlc -I dummy out.ogv vlc:quit --sout "#transcode{ vcodec = theo,
       width = 512, height = 384 }:duplicate{ dst = std{ access = file,
       mux=ogg, dst = \"out_512x384.ogv\" }}" --sout-theora-quality=3
       which  will  give  a  file  of a video quality 18 (in a range of
       0-63), thus appropriate for web-publishing.
       Another option is ffmpeg2theora , which despite its name is also
       a theora to theora converter.
       Changing  the quality of a recordng with it, can be as simple as
       ffmpeg2theora infile.ogv -v 3 -a 4 -o outfile.ogv
       It can even perform resizing on the size of  the  recording,  or
       change the overall duration.


       Does not record 3d windows, if --full-shots isn't specified.
       Saving   65536   files  with  the  same  name,  will  result  in
       upredictable behavior,
       which might manifest as  an  endless  loop,  or  a  segmentation


       John Varouhakis(