[MPlayer-cygwin] Re: nvidia_vid

[Shachar Raindel]

BTW, about nvidia - I found out that using a yv12 to yuy2 specific
filter to conver instead of sws improves the speed a bit. try it out
by using -vf yuy2 in your command line....


    Cheers,
    Shachar

On Mon, 19 Jul 2004 10:52:41 +0200, Sascha Sommer
<saschasommer at freenet.de> wrote:
> On Monday 19 July 2004 08:51, Max Shepelev wrote:
> > Hello!
> >
> > Why the NVidia winvidix driver does not support YV12 ?
> > (while Radeon and other does)
> >
> > When I use -vo winvidix instead of -vo directx,
> > additional conversion occurs YV12=>YUY2 and performance
> > is slower than with directx :(
> >
> > Will nvidia_vid support YV12 ?
> > Or there's no sense to use this driver at all?
> >
> 
> Unlike radeon cards nvidia cards do not support yv12 overlays afaik.
> The windows driver does the yv12 to yuy2 conversion with some kind of dma
> blits first.
> However this would require some more enhancements in the dhahelper
> module. One could use rivatv as reference. This won't be done by me
> because I only have an old riva128 card which does not support the blits
> used in rivatv. Moreover there is no documentation so implementing alll this
> is difficult.
> You can almost always able use the -dr command line switch.
> This should compensate the speed difference a bit.
> 
> > PS: Can you send me ./configure command line switches and
> > list of needed libraries, which you are used
> > to compile this wonderful player with MinGW ?
> > I want to recompile it for Athlon without
> > runtime CPU detection and change some "non-global" options...
> > Thanks!
> 
> ./configure --with-codecdir=codecs --enable-static
> 
> Packages:
> mingw
> msys
> dx7headers
> zlib
> freetype
> libiconv
> libogg
> libvorbis
> libjpeg
> libpng
> libregif
> nasm
> xvid
> lame
> 
> Sometimes it is a bit tricky to get them detected by
> the configure script.
> 
> Sascha
> 
> I cced this to the mplayer-cygwin list.
> Maybe it is usefull for someone else.
> You can also check the archives of this list for
> problems with certain libraries.
> 
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