[mythtv-users] VDPAU Current Status Report

[Mark Kendall]

2009/1/9 Kashan Jafri <kashan at gmail.com>:
> Mark,
>
> I found that I had to increase the number of output surfaces in
> util-vdpau from the default of 2 in order to get stutter-free playback
> of 1080i MPEG2 on a 1080p monitor with any of the 2x hw deinterlacers
> on my 9500GT. The default value of 2 was fine for the 1x
> deinterlacers, but with any of the 2x ones (even bob) I was getting
> dropped frames and messages saying the video was 3 seconds behind
> audio. I increased it to 5 output surfaces and I now have perfectly
> smooth playback (passes the ticker test) with advanced 2x hw deint. I
> haven't bothered trying any other values, so lower ones may work as
> well. NVIDIA recommends using more than 2 output surfaces for
> performance reasons here:
> http://us.download.nvidia.com/XFree86/Linux-x86/180.22/README/appendix-h-section-03.html.

Thanks - I'd not spotted that. Is it new for 180.22? Some useful
pointers and clarification on certain issues.

Do you notice any audio sync issues with the extra surfaces?

regards

Mark