[FFmpeg-user] Audio is out of sync

Carl Eugen Hoyos cehoyos at ag.or.at
Mon Apr 9 23:24:18 CEST 2012

chappy <tuyenphan2010 <at> gmail.com> writes:

> localadmin <at> u11:~$ ffmpeg -f alsa -i hw:1,0 -vol 16000 
> -f video4linux2 -i /dev/video0 -vcodec libx264 
> -preset superfast -t 3 Test.mov 

I needed -async 1 to get A/V sync, it may make a difference 
if you put the video input before the audio input.

Carl Eugen

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