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<blockquote data-quote="tourettes" data-source="post: 609742" data-attributes="member: 10858">Sample durations from where? The real duration or the one reported by DS / EVR mixer? Such horrible judder would be (in my opinion) result from a wrong v-sync that is used to be presented (that throws of the stat lines exactly in the fashion you have seen... zig-zag pattern <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />). Good news is that there is a API in Windows 7 that you can use to track down the v-sync number (not suitable for MP1, but only for debugging purposes since we need to remain XP compatible).<a href="http://msdn.microsoft.com/en-us/library/ee890072%28VS.85%29.aspx" target="_blank">Direct3D 9Ex Improvements (Windows)</a> / <a href="http://msdn.microsoft.com/en-us/library/bb172587%28v=VS.85%29.aspx" target="_blank">D3DPRESENTSTATS Structure (Windows)</a></blockquote>

[QUOTE="tourettes, post: 609742, member: 10858"] Sample durations from where? The real duration or the one reported by DS / EVR mixer? Such horrible judder would be (in my opinion) result from a wrong v-sync that is used to be presented (that throws of the stat lines exactly in the fashion you have seen... zig-zag pattern :)). Good news is that there is a API in Windows 7 that you can use to track down the v-sync number (not suitable for MP1, but only for debugging purposes since we need to remain XP compatible). [url=http://msdn.microsoft.com/en-us/library/ee890072%28VS.85%29.aspx]Direct3D 9Ex Improvements (Windows)[/url] / [url=http://msdn.microsoft.com/en-us/library/bb172587%28v=VS.85%29.aspx]D3DPRESENTSTATS Structure (Windows)[/url] [/QUOTE]

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