Recording the desktop and an application audio source for webcast

ffmpeg -f alsa -ac 2 -i pulse -f x11grab -r 30 -s 1024x768 -i :0.0 -acodec pcm_s16le -vcodec libx264 -vpre lossless_ultrafast -threads 0 ./Desktop/mydesktop.mkv
You will have to use the sound preferences (record) to choose the audio source and set it to internal.

7
By: dcabanis
2011-09-29 19:50:41

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What Others Think

If you want to grab only a subset of your screen (i.e. one window) you'll want to make sure the -s is set to the window size and add the starting position to -i, e.g. -i :0.0+160,200 You can get window size and position from the xwininfo command.
keturn · 333 weeks 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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