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

D Richard Felker III dalias at aerifal.cx
Mon Mar 18 18:07:51 CET 2002


On Mon, Mar 18, 2002 at 04:48:45PM +0100, Daniel Egger wrote:
> Am Mon, 2002-03-18 um 05.11 schrieb D Richard Felker III:
> 
> > i'm attaching a proposed new codecs.conf i just worked out. i put
> > libmpeg2 first (of course), followed by the native codecs (ijpg should
> > probably be before ffmjpeg, but ijpg seems to be broken right now...is
> > it?), then ffmpeg, then projectmayo, raw, xanim (its indeo, etc work
> > better than the win32 ones, right?), and finally win32. since all this
> > reordering is quite a big change diff-wise, i'd rather not commit it
> > myself without at least posting it here first, so here the new
> > codecs.conf is for everyone to review...
> 
> Why libmpeg2 before ffmpeg? The latter is much faster for and I would
> rather tend to remove libmpeg2 at all since ffmpeg now does mpeg2
> decoding as well.

libmpeg2 is a TON faster for mpeg1 and 2. 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...

Rich




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