[vlc] Re: Transcode Mpeg2 to Mpeg4 ?

Jim Duda jim at duda.tzo.com
Wed Aug 24 00:05:32 CEST 2005


Ben-

Yup, mux=ogg works.  I have video and audio in sync.

Thanks,

Jim

"Benjamin Pracht" <bigben+spam at videolan.org> wrote in message 
news:20050822205604.GA19840 at diwi.org...
> 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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