Sun Nov 20 21:54:05 CET 2005
gauchi at gmx.net wrote:
>>>> And how do I envoke the latter? I have an MPEG-4 VIdeo mp3 audio avi.
>>>> With copy I get 0x0055, but mplayer fails to play it.
>>> Does QuickTime Player play it? That's the gold standard as far as QT
>>> media is concerned.
>>> Also, please post the command line you are invoking.
>> ffmpeg -i in.avi -acodec copy -vcodec copy out.mp4
> I remember that I couldn't vcodec copy a an mpeg4 stream from one
> container to another, I had to reencode it. Otherwide it didn't play in
> Quicktime then.
> Maybe this has changed by now.
Doubtful. I wager the MPEG-4 "extradata" is not being properly retained
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