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

[Ivan Kalvachev]

On Feb 19, 2008 12:19 AM, Reimar Döffinger
<Reimar.Doeffinger at stud.uni-karlsruhe.de> wrote:
> 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...

I have this (d)effect when using video_blitter, no problem with normal overlay.
If your video card is gf6+ then you don't have overlay. If you do have
hardware overlay you may have to disable composite extension.