Comment 37 for bug 339233

(In reply to comment #32)
> The description in the man page is a bit confusing:
>
> It has three
> values 'auto'(-1), 'off'(0) and 'auto'(1). 'off' means never sync, 'on' means
> always sync, no matter what size, and 'auto' means sync if the Xv image is
> more than quarter of the pixels on the screen. The default is 'auto'(-1).
>
> I guess it should say 'on'(1)?
It should be 'on' (1).

> As for tearing, it doesn't seem to be fixed on my G45.
Really? I tested on my GM965/GM45/G45 and don't see tearing any more. Comment #30 also said he got good result on his G45.

> The default value of XV_SYNC_TO_VBLANK seems to be 1. Even if I manually set -1
> or 0, it's set back to 1 after using MPlayer.
The default valude is -1, you can use xvattr to query it before using MPlayer. It is changed by MPlayer. (some other video drivers also have XV_SYNC_TO_VBLANK attribute, and MPlayer sets it to sync by default)

>