Create a video screencast (capture screen) of screen portion, with audio (the audio you hear, not your mic)

cvlc --input-slave pulse://<device> screen:// --screen-fps=15 --screen-top=0 --screen-left=0 --screen-width=640 --screen-height=480 --sout='#transcode{vcodec=FLV1,vb=1600,acodec=aac}:std{access=file,mux=ffmpeg{mux=flv},dst=viewport1.flv}'
Errors in output don't matter. Stop recording: ctrl-c. Result playable with Flash too. IMPORTANT: Find a Pulse Audio device to capture from: pactl list | grep -A2 'Source #' | grep 'Name: ' | cut -d" " -f2
Sample Output
$ cvlc --input-slave pulse://alsa_output.pci-0000_00_1b.0.analog-stereo.monitor screen:// --screen-fps=15 --screen-top=0 --screen-left=0 --screen-width=640 --screen-height=480 --sout='#transcode{vcodec=FLV1,vb=1600,acodec=aac}:std{access=file,mux=ffmpeg{mux=flv},dst=viewport1.flv}'
VLC media player 2.0.1 Twoflower (revision 2.0.1-0-gf432547)
...
<ctrl-c>
$ # // file written

What Others Think

Handy! Note that you can just leave out the '' part. Managing the recording device can then simply be managed by using `pavucontrol` in the "recording" tab. Additionally, you may need to enable the monitor of your audio output on the "input devices" tab.
exhuma · 321 weeks and 1 day ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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