[MPlayer-dev-eng] [PATCH] dvdnav part 3 - emptyframe

[Michael Niedermayer]

Hi

On Tue, Jul 31, 2007 at 01:56:00PM +0200, Reimar Döffinger wrote:
> Hello,
> On Tue, Jul 31, 2007 at 12:16:42PM +0200, Michael Niedermayer wrote:
> > On Tue, Jul 31, 2007 at 11:17:27AM +0200, Reimar Döffinger wrote:
> > > On Tue, Jul 31, 2007 at 12:05:22AM +0200, Diego Biurrun wrote:
> > > [...]
> > > > libmpeg2 used to be faster than FFmpeg.  The last time I made benchmarks
> > > > years ago this was indeed still the case, but FFmpeg was catching up.
> > > > Baptiste keeps telling me that FFmpeg is faster nowadays, but we really
> > > > need extensive benchmarks to confirm or deny this.
> > > 
> > > Just yesterday I was shocked to see that ffmpeg12 + vo_gl on Windows is
> > > about 30% slower than libmpeg2 + vo_gl.
> > > Probably I am doing something stupid in vo_gl (I guess that with
> > > PCI-Express slice-based rendering becomes very slow in comparison), but
> > > it still is a huge difference.
> > 
> > uhm ... 30% ...
> > 
> > it would be interresting to know what exactly causes this speed difference
> 
> -noslices fixes it mostly btw. I didn't make proper measurements though.

if you do, dont forget to try -lavdopts idct=4

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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