[MPlayer-users] [Fwd: Re: [Dri-devel] Savage XvMC]

Ivan Kalvachev ivan at cacad.com
Fri Apr 9 09:16:18 CEST 2004

Sorry MPlayer atm support XvMC acceleration only with FFmpeg mpegvideo,
so you need to use this command line
   mplayer -vo xvmc -vc ffmpeg12mc file.mpg
if this works, then you may try
   mplayer -vo xvmc:queue -vc ffmpeg12mc file.mpg

The problem comes from the fact that video output driver
is preinit-ed before the rest of the video system, and
on preinit only test if XvMC acceleration is available.
The decoder (and stream) is done later.

Possible workaround, to make XvMC support Xv.

Best Regards
   Ivan Kalvachev

Sérgio Monteiro Basto said:
> Hi,
> Any comment about -vo xvmc with savage and the error described when I am
> testing mplayer is welcome
> thanks
> -----Forwarded Message-----
>> From: Sérgio Monteiro Basto <sergiomb at netcabo.pt>
>> To: Alex Deucher <agd5f at yahoo.com>
>> Cc: dri-devel at lists.sf.net, dri-users at lists.sf.net
>> Subject: Re: [Dri-devel] Savage XvMC
>> Date: Sun, 07 Mar 2004 23:15:54 +0000
>> On Thu, 2004-03-04 at 20:15, Alex Deucher wrote:
>> > For those of you messing with XvMC support on savage, I just checked
>> in
>> > a fix for the missing extension problem.  I had forgotten to port over
>> > the setup code from S3's driver.  I tested it briefly on savage4, but
>> I
>> > only got an blue window.  It's possible that the XvMC stuff is
>> > prosavage/twister only.  Looking at the code it looks to be based on
>> > the old streams engine, so there is a good chance it is specific to
>> > those chips.  If any of you out there want to test, grab the latest
>> DRI
>> > cvs and a copy of the savage XvMC lib.  you can grab the one I built
>> > here:
>> > http://www.botchco.com/alex/savage/libsavageXvMC.a
>> > move it to /usr/X11R6/lib .
>> > Also, there is not at the moment a device independant XvMC lib so you
>> > have to link any XvMC apps directly with the device dependant lib.
>> the
>> > savage xvmc lib name is 'savageXvMC'
>> >
>> MPlayer-1.0pre3# ./configure --enable-xvmc --with-xvmclib=savageXvMC
>> #mplayer -vo xvmc dvd://
>> (...)
>> vo: X11 running at 1024x768 with depth 24 and 32 bpp (":0" => local
>> display)
>> vo_xvmc: X-Video extension 2.2
>> vo_xvmc: X-Video MotionCompensation Extension version 1.0
>> =========================================================================>
>> Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
>> VDec: vo config request - 720 x 576 (preferred csp: Mpeg PES)
>> Could not find matching colorspace - retrying with -vf scale...
>> Opening video filter: [scale]
>> The selected video_out device is incompatible with this codec.
>> VDecoder init failed :(
>> Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.3.1
>> Selected video codec: [mpeg12] vfm:libmpeg2 (MPEG 1 or 2 (libmpeg2))
>> (...)
>> FATAL: Could not initialize video filters (-vf) or video output (-vo).
>> Exiting... (End of file)
>> better then :
>> vo_xvmc: No X-Video MotionCompensation Extension on :0 (with via drive)
>> To create dynamic libs I think we just need the small patch in attach.
>> Conclusion with one Savage twisterK, I still can't play with -vo xvmc
>> but I am more close to this goal.
> --
> Sérgio M. B.
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