doc: add v4l2 example with ALSA instead of OSS.

This commit is contained in:
Clément Bœsch 2011-10-30 02:07:38 +01:00
parent 6921272b23
commit ccc09185e4

View File

@ -955,6 +955,11 @@ and audio directly.
ffmpeg -f oss -i /dev/dsp -f video4linux2 -i /dev/video0 /tmp/out.mpg
@end example
Or with an ALSA audio source (mono input, card id 1) instead of OSS:
@example
ffmpeg -f alsa -ac 1 -i hw:1 -f video4linux2 -i /dev/video0 /tmp/out.mpg
@end example
Note that you must activate the right video source and channel before
launching ffmpeg with any TV viewer such as
@uref{http://linux.bytesex.org/xawtv/, xawtv} by Gerd Knorr. You also