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MediaPortal 1
Development
General Development (no feature request here!)
MP1 EVR Presenter/dshowhelper community development
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<blockquote data-quote="tourettes" data-source="post: 852819" data-attributes="member: 10858"><p>My theory for that render time jump and then one dropped frame when it returns is quite simple. Reference clock is running a bit different speed than the GPU's HW clock and therefore there is drifting between those two clocks. At some point it is not possible to present on the targeted v-sync and then it will cause all the paint times to jump up approx the amount of one display refresh cycle.</p><p> </p><p>I would suggest to try the MediaPortal Audio Renderer since it was build to combat that issue. I haven't ever seen that issue to appear during almost two years that I have been developing / using MPAR <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> At least it is worth to try to see if the issue goes away. If it goes then there are only two possible solutions: 1) to use MPAR or 2) to find some HW combination that matches 1:1 on the video and audio clocks.</p></blockquote><p></p>
[QUOTE="tourettes, post: 852819, member: 10858"] My theory for that render time jump and then one dropped frame when it returns is quite simple. Reference clock is running a bit different speed than the GPU's HW clock and therefore there is drifting between those two clocks. At some point it is not possible to present on the targeted v-sync and then it will cause all the paint times to jump up approx the amount of one display refresh cycle. I would suggest to try the MediaPortal Audio Renderer since it was build to combat that issue. I haven't ever seen that issue to appear during almost two years that I have been developing / using MPAR :) At least it is worth to try to see if the issue goes away. If it goes then there are only two possible solutions: 1) to use MPAR or 2) to find some HW combination that matches 1:1 on the video and audio clocks. [/QUOTE]
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MediaPortal 1
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