[MPlayer-dev-eng] proposed new codecs.conf [Re: new video codec selection code]

Juan J. Sierralta P. juanjo at atmlab.utfsm.cl
Wed Mar 20 03:05:16 CET 2002


On Mon, 2002-03-18 at 14:44, Daniel Egger wrote:
> Am Mon, 2002-03-18 um 18.07 schrieb D Richard Felker III:
> 
> > libmpeg2 is a TON faster for mpeg1 and 2.
> 
> Not for me. I optimised the shit out of ffmpeg on PowerPCs with AltiVec

	When you're gonna send the patch ?

> so finally the ac3 decoder is the hugest cpu consumer when watching CDs.
> Theoretically the builtin Rage Mobility chip could do iDCT in hardware
> but I never managed to get that running.

	Has anyone ?

 
> > Also, ffmpeg seems to have
> > problems continuing after dropped frames with mpeg1/2 (the video just
> > freezes until the next keyframe when i use -framedrop), whereas
> > libmpeg2 seems to do fine with a few dropped frames. This seems odd to
> > me since -framedrop is only supposed to skip vo, not decoding
> > (right?), but that's what seems to happen...
> 
> I'm seeing this problem with both codecs. For example when viewing DVDs
> and the drive just decided to spin down there's a vast jump in time
> but I expect that to be a buffering problem not one of the codec. I can
> well imagine that libmpeg2s read strategy prevents that.

	I had the same problem, after a Kernel upgrade the DVD stop spinning
down everytime :)

-- 
Juanjo sin .sig :(




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