[MPlayer-users] mplayer and dual-head (clone) sync question.
kdekorte at gmail.com
Tue Mar 2 19:49:32 CET 2010
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On 03/02/2010 11:13 AM, Reimar Döffinger wrote:
> On Tue, Mar 02, 2010 at 10:42:44AM +0100, Koko wrote:
>> Is it correct to address the issue to the fact that the refresh rates of the
>> lvds panel and the tv screen slightly differ and somehow mplayer is
>> syncronizing the frames to the lvds panel instead of the VGA output refresh
> Impossible to know for sure, but usually it is synced to whatever is the primary
> screen. I don't know if/how that can be changed except by editing the X config file.
> However -vo gl sometimes can sync to any display - though I admit it's unlikely to
> work in the cloned case, I've only seen it for xinerama setups.
I talked to the radeon developers about this, and the refresh rates are
tied to the first monitor the window is on. And it depends on the pixel
clock of the display. So not only do you need the same resolution on the
display, you need the same refresh rate. Apparently this can be worked
around in the video driver software, but no one has got around to it yet.
Get my public GnuPG key from
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