[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
> - 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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