[MPlayer-dev-eng] Make ffmpeg MPEG1/2 decoder the default?

Reimar Döffinger Reimar.Doeffinger at stud.uni-karlsruhe.de
Mon Feb 18 23:19:59 CET 2008


Hello,
On Mon, Feb 18, 2008 at 02:45:55PM -0700, Loren Merritt wrote:
> On Mon, 18 Feb 2008, Diego Biurrun wrote:
> >
> > OK, so let's do this properly: We need a standard command line that
> > everybody uses for testing, a set of sample files that exercise
> > different parts of the decoders and some testing methodology.
> >
> > I propose the following command lines:
> >
> > -vc ffmpeg12 -benchmark -nosound -quiet -vo null
> > -vc ffmpeg12 -benchmark -nosound -quiet -vo x11
> > -vc mpeg12 -benchmark -nosound -quiet -vo null
> > -vc mpeg12 -benchmark -nosound -quiet -vo x11
> 
> vo x11 is the one that everyone will have in common. Otoh, vo x11 is 
> slower than h264 decoding, let alone mpeg2. This is not true of xv, 
> xvidix, xmga, etc.
> So I'd argue that if you're including vo for real-world data, then the vo 
> should be whichever you actually use, i.e. whichever is fastest on your 
> computer. No need to keep it the same across everyone's tests.

Problem with xv on my PC here is that with -benchmark the video stops
for ca. 0.5s every 2s. Driver does not seem to like when you push video
frames too fast...

Greetings,
Reimar Döffinger



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