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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="Owlsroost" data-source="post: 852944" data-attributes="member: 83973"><p>EVR presenter always presents at approximately the same position relative to vsync (either because it's being internally controlled or under MPAR control) - so any frame drops or repeats should happen inside EVR presenter (and they do).</p><p> </p><p>But this flip-flopping between normal and long render times still happens occasionally, so I suspect the 'vsync' the Windows (DWM?) render queue uses isn't always the same timing as the GPU version (which is effectively what EVR presenter is using for it's raster timing reference).</p><p> </p><p>I'd love to see how EVR/DWM render pipeline actually works internally <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p> </p><p>Tony</p></blockquote><p></p>
[QUOTE="Owlsroost, post: 852944, member: 83973"] EVR presenter always presents at approximately the same position relative to vsync (either because it's being internally controlled or under MPAR control) - so any frame drops or repeats should happen inside EVR presenter (and they do). But this flip-flopping between normal and long render times still happens occasionally, so I suspect the 'vsync' the Windows (DWM?) render queue uses isn't always the same timing as the GPU version (which is effectively what EVR presenter is using for it's raster timing reference). I'd love to see how EVR/DWM render pipeline actually works internally ;) Tony [/QUOTE]
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