[vlc] Re: Transcode Mpeg2 to Mpeg4 ?

[Benjamin Pracht]

On Mon, Aug 22, 2005, Jim Duda wrote :
> I'm trying to use VLC to transcode MPEG2 files, captured from my PVR-350
> card using IVTV drivers to MPEG4 files in order to compress and lower my
> disk usage.
> 
> I use the following command (linux 0.8.2) :
> 
> vlc file:somefile.mpg \
>      '#transcode{vcodec=mp4v,vb=2048,acodec=mpga,ab=192}: \
>                   standard{access=file,mux=ps,url="output.mpg"}'
> 
> When I do so, I get output.mpg, which is smaller.  Playing output.mpg
> with VLC results in both video and audio, however, the video and audio are
> not in sync.  The audio lags the video.  VLC reports output.mpg to be a
> valid MPEG4 file.
> 
> I tried doing something similiar using the Windows GUI (0.8.2).  In this
> case, I get output.mpg which has 3 programs.  Attempting to play this
> output.mpg (from windows) results in audio but no video.
> 

That might be related to a bug in our PS muxer or demux when handling
MPEG4. You can try ogg as a container here...

-- 
BigBen

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