[Nouveau] [Mesa-dev] [PATCH v2] nouveau: Add support for XvMC acceleration

Marcin Slusarz marcin.slusarz at gmail.com
Sat Sep 10 15:54:20 PDT 2011


On Sat, Sep 10, 2011 at 06:59:39PM +0200, Maarten Lankhorst wrote:
> Hey ★,
> 
> On 09/10/2011 06:28 PM, ★ Emeric wrote:
> > Hi Maarten,
> > I tried the v2 patch with my good old geforce 8600M GS, and it worked well.
> > The CPU usage seems a little higher than usual, I'd said 60% instead of 40%
> > for a 720p video, but I'll try with a higher bitrate video and without
> > building with debug parameters to see if I can found a performance gain.
> > The only problem is that I cannot seek through the video without an segfault
> > on that error "X11 error: BadAccess (attempt to access private resource
> > denied)", I attached a gdb backtrace. It appears to be related to the
> > drawing of the mplayer OSD.
> >
> That's either a bug in mplayer or in the state tracker. What's oy and ox
> set to at the time of the crash? and where does xvimage->data point to :)
> 
This is a bug in xf86-video-nouveau actually, and it leads to memory corruption
in mplayer.

Patch below fixes it, but OSD still doesn't work.

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