[FFmpeg-user] Complete beginner - no sound with screencasting using x11grab?

[lugoteehalt]

Trying to use ffmpeg to record the screen.  The following command does not
work, but remove '-i pulse' and it works perfectly, but without sound.

ffmpeg -f x11grab  -i pulse -s `xdpyinfo | grep 'dimensions:'| awk '{print
$2}'` -r 25 -i :0.0 -sameq out.mpg
ffmpeg version git-N-30155-g01a73d6, Copyright (c) 2000-2011 the FFmpeg
developers
  built on May 23 2011 22:32:40 with gcc 4.4.5
  configuration: --enable-gpl --enable-version3 --enable-nonfree
--enable-postproc --enable-libfaac --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora
--enable-libvorbis --enable-libx264 --enable-libxvid --enable-x11grab
  libavutil    51.  2. 1 / 51.  2. 1
  libavcodec   53.  6. 0 / 53.  6. 0
  libavformat  53.  2. 0 / 53.  2. 0
  libavdevice  53.  0. 0 / 53.  0. 0
  libavfilter   2. 10. 0 /  2. 10. 0
  libswscale    0. 14. 0 /  0. 14. 0
  libpostproc  51.  2. 0 / 51.  2. 0
[x11grab @ 0x9456b40] device: pulse -> display: pulse x: 0 y: 0 width: 0
height: 0
[x11grab @ 0x9456b40] Could not open X display.
pulse: Input/output error

Current stable version of Debian.

Have installed the package 'pulseaudio'.  Put in this in /etc/asound.conf:

pcm.pulse {
    type pulse
}

ctl.pulse {
    type pulse
}

pcm.!default {
    type pulse
}

ctl.!default {
    type pulse
}

As suggested in this forum.  Any help appreciated.


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