[FFmpeg-devel] [PATCH]Fix bug in VDPAU h264

[Carl Eugen Hoyos]

Michael Niedermayer <michaelni <at> gmx.at> writes:

> > Using NVIDIA's patch for mplayer, and latest, unchanged svn for libav*,
> > playing an old HDTV sample (that I had not tried before) always crashes at
> > the same point without the patch.
> 
> but why does it crash?

Because the hardware doesn't like the data it gets?

> > Crashes means that one of NVIDIA's VDPAU-specific functions returns with an
> > error value that makes MPlayer exit.
> 
> which function, which error value?

vdp_presentation_queue_block_until_surface_idle()
and the return value is 2 ;-)
(VDPAU return values are really exactly as useful as Reimar couldn't believe
originally;-)

> Iam trying to understand why this patch makes a difference ...

Sorry, I don't know what else to tell.

Carl Eugen