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MediaPortal 1
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Stutter after refresh rate change
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<blockquote data-quote="nyt" data-source="post: 561985" data-attributes="member: 98737"><p>Doing some debugging, I've found this.</p><p></p><p>Video starts <strong>with stutter:</strong></p><p></p><p>2010-01-16 00:16:53.313500 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 23.97Hz (23Hz requested)</p><p>2010-01-16 00:16:53.313500 [Debug][MPMain]: <strong>currentfps: 59</strong></p><p><strong></strong></p><p></p><p><strong>(window is moved here, playback smooths out)</strong></p><p></p><p>Change back to 60fps for desktop:</p><p></p><p>2010-01-16 00:17:14.220500 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 60Hz (60Hz requested)</p><p>2010-01-16 00:17:14.220500 [Debug][MPMain]: currentfps: 0</p><p></p><p>Video starts <strong>without stutter:</strong></p><p></p><p>2010-01-16 00:17:23.301500 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 23.97Hz (23Hz requested)</p><p>2010-01-16 00:17:23.302500 [Debug][MPMain]: <strong>currentfps: 24</strong></p><p></p><p></p><p>I added Log.Debug("currentfps: {0}", GUIGraphicsContext.CurrentFPS); to CycleRefreshRate after the Log.debug on successful change.</p><p></p><p>Also something else I see...</p><p>W7RefreshRateHelper.SetDisplayConfig(...): SDC_VALIDATE of 24000/1000 failed</p><p>W7RefreshRateHelper.SetDisplayConfig(...): SDC_VALIDATE of 24000/1001 failed</p><p></p><p>depending on whether you set to 23.976 or 24, it always fails.</p><p></p><p>I added a case for 23970 and it sets the display properly, but no change with stutter issues.</p><p></p><p>2010-01-16 01:32:37.038200 [Debug][MPMain]: W7RefreshRateHelper.SetDisplayConfig(...): SDC_VALIDATE of 23970/1000 succesful</p><p>2010-01-16 01:32:37.687200 [Debug][MPMain]: W7RefreshRateHelper.GetRefreshRate: QueryDisplayConfig returned 23970/1000</p><p>2010-01-16 01:32:37.688200 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 23.97Hz (23.97Hz requested)</p><p>2010-01-16 01:32:37.688200 [Debug][MPMain]: currentfps: 60</p><p></p><p>2010-01-16 01:37:11.569200 [Debug][MPMain]: W7RefreshRateHelper.SetDisplayConfig(...): SDC_VALIDATE of 23970/1000 succesful</p><p>2010-01-16 01:37:12.216200 [Debug][MPMain]: W7RefreshRateHelper.GetRefreshRate: QueryDisplayConfig returned 23970/1000</p><p>2010-01-16 01:37:12.216200 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 23.97Hz (23.97Hz requested)</p><p>2010-01-16 01:37:12.217200 [Debug][MPMain]: currentfps: 59</p></blockquote><p></p>
[QUOTE="nyt, post: 561985, member: 98737"] Doing some debugging, I've found this. Video starts [B]with stutter:[/B] 2010-01-16 00:16:53.313500 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 23.97Hz (23Hz requested) 2010-01-16 00:16:53.313500 [Debug][MPMain]: [B]currentfps: 59 [/B] [B](window is moved here, playback smooths out)[/B] Change back to 60fps for desktop: 2010-01-16 00:17:14.220500 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 60Hz (60Hz requested) 2010-01-16 00:17:14.220500 [Debug][MPMain]: currentfps: 0 Video starts [B]without stutter:[/B] 2010-01-16 00:17:23.301500 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 23.97Hz (23Hz requested) 2010-01-16 00:17:23.302500 [Debug][MPMain]: [B]currentfps: 24[/B] I added Log.Debug("currentfps: {0}", GUIGraphicsContext.CurrentFPS); to CycleRefreshRate after the Log.debug on successful change. Also something else I see... W7RefreshRateHelper.SetDisplayConfig(...): SDC_VALIDATE of 24000/1000 failed W7RefreshRateHelper.SetDisplayConfig(...): SDC_VALIDATE of 24000/1001 failed depending on whether you set to 23.976 or 24, it always fails. I added a case for 23970 and it sets the display properly, but no change with stutter issues. 2010-01-16 01:32:37.038200 [Debug][MPMain]: W7RefreshRateHelper.SetDisplayConfig(...): SDC_VALIDATE of 23970/1000 succesful 2010-01-16 01:32:37.687200 [Debug][MPMain]: W7RefreshRateHelper.GetRefreshRate: QueryDisplayConfig returned 23970/1000 2010-01-16 01:32:37.688200 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 23.97Hz (23.97Hz requested) 2010-01-16 01:32:37.688200 [Debug][MPMain]: currentfps: 60 2010-01-16 01:37:11.569200 [Debug][MPMain]: W7RefreshRateHelper.SetDisplayConfig(...): SDC_VALIDATE of 23970/1000 succesful 2010-01-16 01:37:12.216200 [Debug][MPMain]: W7RefreshRateHelper.GetRefreshRate: QueryDisplayConfig returned 23970/1000 2010-01-16 01:37:12.216200 [Debug][MPMain]: CycleRefreshRate: successfully changed refresh rate to 23.97Hz (23.97Hz requested) 2010-01-16 01:37:12.217200 [Debug][MPMain]: currentfps: 59 [/QUOTE]
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