[MPlayer-users] reencode_with_negative_A/V_delay

Timo Teifel tml at teifel.net
Thu Nov 21 15:23:02 CET 2002


> -audio-delay "-0.9" when reencoding,
> but man page says that is not possible, because it really
> do not shift the audio track but only set some value in
> AVI header... How can I really shift the audio by 0.9s?

Yes, I had the same problem yesterday, and starting VMWare and using 
VirtualDub suxx... 
I'd like such a function, too...

I even thought of the craziest idea how to do it with mencoder anyway... but 
it didn't work:
I tried "mplayer -audiodump" to dump the (AC3) audio track, then "mencoder -ss 
0.4 -oac copy -ovc copy" to get rid of the 0.4 seconds too much, and then 
copying back the dumped audio stream, but neither mplayer nor mencoder did 
recognize the dumped audio stream as an audio stream :( Guess that doesn't 
work with AC3....

Timo




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