[vdr] Re: Playing DVD ?

[Juri Haberland <juri@koschikode.com>]

Christian Pesch wrote:
> Tilo Renkl wrote:
> 
>>>>Maybe it is possible to use Xine for the DVD-Playback and pipe
>>>>its output to mplayer for dvb-output.
>>>>      
>>>>
>>>That might work on a 2GHz Box, but i doubt that it will work 
>>>on a 200MHz Pentium which is currently sufficient for DVD playback.
>>>
>>AFAIK mplayer plays nearly every mpeg-stream _without_ recoding
>>to dvb-output, so there should be nearly no difference in needed
>>CPU-power.
>>
> 
> I doubt that broad asseration. If you try to play
> divx 3.11 ("almost" mpeg-4 and thats a mpeg stream,
> isn't it?) this has to be recoded to mpeg-2 for the
> dvb output. And the dvb output is quite picky about
> the format of the pictures, so recoding to a format
> the dvb card supports, is required, too.

When one talks about MPEG in conjunction with VDR/DVB it is always
assumed to be MPEG1 or 2.
AFAIK MPEG4 has not much in common with MPEG1/2 - it's just a name.

So:
MPlayer does not reencode MPEG1/2 if playing via DVB.
MPlayer does reencode when playing anything else via DVB.

Cheers,
Juri



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