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"Adjust display refresh rate to match video" cause massive lag - Printable Version

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---- Thread: "Adjust display refresh rate to match video" cause massive lag (/showthread.php?tid=146117)



"Adjust display refresh rate to match video" cause massive lag - ralphpls - 2012-11-24

Ok, lets hope that someone could help me...

I have new HTPC with Trinity 5400k CPU, Yamaha RX-V667 av receiver and Samsung LE46B755 TV

If I try to enable "Adjust display refresh rate to match video" or "Sync playback to display" I got massive lag in both video and audio. Error count and missing frames goes crazy too.

Other video playback settings:

Render Method: DXVA
DXVA2: On
Pause during refresh rate change: Off
A/V sync method: Video clock (Resample audio)
Allowed error in aspect ratio to minimize black bars: none
Display 4:3 videos as: normal

Any ideas what might be the problem ?

Thx



RE: "Adjust display refresh rate to match video" cause massive lag - Hitcher - 2012-11-24

Fullscreen or windowed?


RE: "Adjust display refresh rate to match video" cause massive lag - ralphpls - 2012-11-24

"use fullscreen window rather than true fullscreen" is enabled


RE: "Adjust display refresh rate to match video" cause massive lag - norm360 - 2012-11-24

You need to use true fullscreen.


RE: "Adjust display refresh rate to match video" cause massive lag - ralphpls - 2012-11-24

That seems to be the issue, thx!


RE: "Adjust display refresh rate to match video" cause massive lag - ralphpls - 2012-11-25

But still there is some audio lag and missing frames... Especially with movies / bigger files with 24fps. http://forum.xbmc.org/showthread.php?tid=127006 Same problem here ?


RE: "Adjust display refresh rate to match video" cause massive lag - Voyager - 2012-11-26

you could try disabling most video settings in AMD Catalyst - with the exception of "enforce smooth video playback".


RE: "Adjust display refresh rate to match video" cause massive lag - Voyager - 2012-11-26

you could also try setting A/V sync to Audio clock or Video clock (drop/dupe). Resample is never a good idea.


RE: "Adjust display refresh rate to match video" cause massive lag - torcar - 2012-11-26

XBMC is unfortunately haunted by an everlasting 24p audio sync bug.
The dev team has not been able to resolve this for a couple of years or so, so it might be this bug you're experiencing.

Check out this tread as one of many on the issue: http://forum.xbmc.org/showthread.php?tid=80247




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