On Fri, 21 Sep 2001, Matthias Dahl wrote:
> Hey there... ]) powered by Linux 2.4.8 ([
>
> I have run into a problem and I hope some of you guys can help me out. :)
> Thanks in advance for your help and time!
>
> Is it possible to do some vsync synchronization with the XVideo (or any other)
> extension? I need this for proper video output. Yet I could not find any
> hint about any function in the X documentation. If this isn't implemented yet,
> is there any other way to synchronize the video output with the vsync?
>
> Thanks again.
Hardware should automatically synchronize stuff like Xv(Shm)PutImage
with the retrace. If you want a VSync pulse for some custom application
you're out of luck unless you write a kernel module to do it. It's
a hardware specific thing done with interrupts.
Mark.
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