[MPlayer-users] vsync not working

[D Richard Felker III]

On Mon, Nov 03, 2003 at 05:09:23PM +0300, Vladimir Mosgalin wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> On Sun, 2 Nov 2003, D Richard Felker III wrote:
> 
> DRFI>Yes, video overlay only works on the _first_ head. It's a
> DRFI>limitation of the hardware. The other head will use the video
> DRFI>blitter for xv, which _will_ tear, and there's nothing you can do
> DRFI>about it. So switch the primary head to the one you'll be watching
> 
> Can you please explain, what exactly 'video blitter' means? It still
> does yuv conversion and scaling in hardware?

nvidia driver provides 2 xv devices: one overlay, and one which just
does scaling and yuv->rgb conversion directly into the framebuffer.
The latter sucks because it will necessarily tear.

Rich