[FFmpeg-user] Video/Audio out of sync when converting from FLV to MP4

[Carl Eugen Hoyos]

Rob Desilets <rd <at> icalc.com> writes:

> When I convert it to MP4 using these flags:
> 
> -c:v libx264 -crf 22 -preset slow -profile:v baseline 
> -level 30 -c:a libfaac -q:a 100 -r 30 -async 1
> 
> The audio and video get out of sync.

Does this only happen with external libraries 
(libx264 and libfaac) or also with internal 
encoders?
In any case, please provide your failing command 
line together with the complete, uncut console 
output.

Carl Eugen