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

Rich Felker dalias at aerifal.cx
Tue Feb 19 07:30:22 CET 2008


On Tue, Feb 19, 2008 at 06:55:30AM +0100, Michael Niedermayer wrote:
> On Mon, Feb 18, 2008 at 10:18:38AM +0100, Diego Biurrun wrote:
> > On Sat, Feb 16, 2008 at 03:38:36PM +0100, Reimar Döffinger wrote:
> > > libmpeg2 may be still slightly faster (though probably not on the newer CPUs),
> > > but it is quite crash-happy and otherwise buggy (see also 34582.mxf in
> > > incoming).
> > > Thus I am for making FFmpeg decoder the default, any objections?
> > 
> > I'm not too convinced of this since libmpeg2 was still faster the last
> > time I tried and now we have a pending patch with further speedup.  I
> > propose running benchmarks on many different CPUs instead.  Let's find
> > out which one really is the fastest.  Maybe we can motivate somebody to
> > try making FFmpeg speedier...
> 
> As it seems noone mentioned it yet in this thread ...
> dont forget 
> -lavdopts fast

Will this cause any visible problems?

> -lavdopts threads

I don't think threading is useful on the machines in question...

> disable ENABLE_GRAY (mplayer enables it by default)

Can you elaborate? I'm not familiar with this setting..

Rich



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