[mythtv-users] Lots of "tearing" with vdpau in trunk

Emmanuel eallaud at gmail.com
Tue Oct 26 21:01:12 UTC 2010


Kevin Ross a écrit :
> On 10/26/2010 10:21 AM, Emmanuel wrote:
>> Ryan Patterson a écrit :
>>> On Tue, Oct 26, 2010 at 9:53 AM, Emmanuel <eallaud at gmail.com> wrote:
>>>> Hi all,
>>>> i am using trunk withh vdpau (standard) with progressive content 
>>>> mostly. I
>>>> have an isuue with fast movements which appear cut (is that tearing)
>>>> probably because there is a mismatch between film rate and display 
>>>> rate.
>>>> And moreove I thought that we could match these two rates before, 
>>>> but the
>>>> option is no more, is that done automatically now? If so it looks 
>>>> like there
>>>> is a bug.
>>>
>>> Are you using a compositing window manager on your desktop?  (i.e.
>>> beryl, compiz, ubuntu desktop effects, etc.)  If so there should be a
>>> setting on your window manager to adjust the refresh frame rate.  Once
>>> you set that equal to your display refresh rate, the tearing should be
>>> gone.
>> Hmm I am using XFCE so no compositing manager here. Other thouhgts?
>> Thanks
>> Bye
>> Manu
>
> You probably need to disable compositing in your xorg.conf file.  I 
> use Gnome, no compiz or other fancy special effects window manager, 
> and I still need to disable it in xorg.conf to get tear-free 
> playback.  Run:
>
> $ sudo nvidia-xconfig --no-composite
>
> Then restart X (or reboot).

OOps you're right, I guess that this is a RTFM, sorry... Or if not it 
should as using xfce I never would have thought about composit issue.
A big t(hanks anyway!
Bye
Manu


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