[MPlayer-users] Mencoder encoding to mpeg2

Nico nsabbi at libero.it
Fri Sep 5 17:28:33 CEST 2003



Erik Slagter wrote:

>
>>I heard that ffmpeg can natively convert to ac3 but can't find the command
>>from the help info
>>    
>>
>
>Real-time mpeg2 ps encoding using mencoder is something you can forget
>about in the near future, I'm afraid, because of several limitations of
>mencoder:
> - only the avi container is really supported (ugh!), forget about
>mpeg-ps, it's buggy;
> - from ffmpeg/libavcodec, only the video codecs are supported (duh...)
>
to be precise ac3enc.o (like the other audio codecs) is always linked to 
mencoder during compilation, but there's no
interface to use them from mencoder. It's a pity :(
Any volunteer to patch mencoder ?

> - so you can choose between pcm and lame (mp3) for you audio codec, of
>which only pcm would be a valid combination when encoding an mpeg2 ps.
>
>I suggested to include audio and container support from libavcodec, but
>there was no response, so I don't think that's going to make it anytime
>soon ;-)
>
>There are various alternatives though:
>
> - record using mencoder to avi using mjpeg from libavcodec and a
>leightweight audio codec of your choice or pcm, then use ffmpeg on the
>file to convert it to a vob/ps with mpeg2 video and ac3 audio. You can
>
usually mplex and dvb-mplex work much better with dvdauthor





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