[Asterisk-video] lip sync issues with mp4_play

[Emmanuel BUU]

As far as I know, this sync is done by the hint tracks that you need to 
add to the media prompts.
How did you record the original video / audio file in the first place ?

Dan Julius a écrit :
> Hi,
>  
> Is there a good reference to better understand how audio/video 
> synchronization is handled in h324m?
>  
> I'm using mp4_play to play a file I created following the mp4 mini 
> tutorial. I combined an h263 track with a g711 track,
> I've noticed that by modifying the bitrate of the video channel I can 
> get different results, but all of them have lip-sync issues.
>  
> where is the av sync supposed to be handled, in the mp4 file, by 
> libh324m, or the 3g handset?
>  
> Thanks for the advice,
> Dan
>  
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