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MediaPortal 1
Area 51 - Testing Area
madVR support in MP1
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<blockquote data-quote="daWooky" data-source="post: 1182441" data-attributes="member: 122090"><p>its like that the average gpu rendering time value has to be lower than the movie frame interval value!</p><p>if madVR is taking more time to render the frame than the time interval between each frame, the next frame to render will be delayed...</p><p></p><p>ideally, the rendering time must be under (1/FRAME_RATE*1000) milliseconds, i.e. 41,7 for 23,976fps content, the decoder/subtitle/upload/render queue should be almost full and the dropped frames or presentation glitches shouldn't increase during the playback (there isd always some at the beginning).</p><p></p><p>[SPOILER]</p><p>posted by madshi (about page 10 of DOOM9´s madVR thread):</p><p></p><p>If you want to give madVR even a chance to achieve smooth playback <strong>you have to achieve an "average gpu rendering time" that is a notch lower than the "movie frame interval</strong>". I'd say it should not be higher than 35ms for 23.976 playback.</p><p>[/SPOILER]</p><p></p><p>imho NNEDI3 offers the best upscaling quality however these new options are very demanding and too expensive in terms of usage and wattage for only a htpc</p><p></p><p></p><p>to get a easy basic concept it's worth testing out the various algoreithm with your main source u like watching the most and pick the one you personaly like best.</p><p>all with madvr stats and gpu-z running. reset mad to default and compare the values and stats, soon you know what kills rendering times and so on.... could write a book on how all this works....<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite18" alt=":LOL:" title="Laugh :LOL:" loading="lazy" data-shortname=":LOL:" /></p><p>the best resource to start <a href="http://forum.doom9.org/showthread.php?p=1709584#post1709584" target="_blank">madVR options explained</a></p><p></p><p>madvr scaling rule of thumb: <em>The sharpness of the algorithm used in chroma upscaling section should not exceed the sharpness of the algorithm used in the image upscaling section. It could be the same, but not exceed it</em>.</p><p></p><p>btw. actually DX11 is only needed for 3d frame-packed and >8bit playback</p><p>happy testing guys^^</p></blockquote><p></p>
[QUOTE="daWooky, post: 1182441, member: 122090"] its like that the average gpu rendering time value has to be lower than the movie frame interval value! if madVR is taking more time to render the frame than the time interval between each frame, the next frame to render will be delayed... ideally, the rendering time must be under (1/FRAME_RATE*1000) milliseconds, i.e. 41,7 for 23,976fps content, the decoder/subtitle/upload/render queue should be almost full and the dropped frames or presentation glitches shouldn't increase during the playback (there isd always some at the beginning). [SPOILER] posted by madshi (about page 10 of DOOM9´s madVR thread): If you want to give madVR even a chance to achieve smooth playback [B]you have to achieve an "average gpu rendering time" that is a notch lower than the "movie frame interval[/B]". I'd say it should not be higher than 35ms for 23.976 playback. [/SPOILER] imho NNEDI3 offers the best upscaling quality however these new options are very demanding and too expensive in terms of usage and wattage for only a htpc to get a easy basic concept it's worth testing out the various algoreithm with your main source u like watching the most and pick the one you personaly like best. all with madvr stats and gpu-z running. reset mad to default and compare the values and stats, soon you know what kills rendering times and so on.... could write a book on how all this works....:LOL: the best resource to start [URL='http://forum.doom9.org/showthread.php?p=1709584#post1709584']madVR options explained[/URL] madvr scaling rule of thumb: [I]The sharpness of the algorithm used in chroma upscaling section should not exceed the sharpness of the algorithm used in the image upscaling section. It could be the same, but not exceed it[/I]. btw. actually DX11 is only needed for 3d frame-packed and >8bit playback happy testing guys^^ [/QUOTE]
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