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MediaPortal 1
MediaPortal 1 Talk
Picture quality MP1.0 vs DVBviewer
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<blockquote data-quote="grubi" data-source="post: 363702" data-attributes="member: 52476"><p>I just did the tests on my system (comparing you recording between MP and DVBViewer) and I have to admint that I could acknowledge your observations. </p><p>It looks like the picture of DVBViewer is better scaled than the MP one (better aliasing).</p><p>I also verified that both graphs in use are identical.</p><p>This is really strange.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused :confused:" loading="lazy" data-shortname=":confused:" /><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused :confused:" loading="lazy" data-shortname=":confused:" /><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused :confused:" loading="lazy" data-shortname=":confused:" /></p><p></p><p>Will try to play around with VMR settings in MP next.</p><p></p><p>It seems that <strong>disabling</strong> the options "Use nonsquare mixing for scaling" cures the problem.</p><p>The question remains why - as it should increase quality and not decreas it.</p><p>I'm not an expert on this but IIRC the option should avoid that an image is scaled twice under certain circumstances. Scaling a picture twice could indeed smoothen a picture which could lead to a more pleasent apearance.</p><p></p><p>[USER=78380]Mister Bean[/USER]: Maybe you could give it a try and report back. I also found that all the scaling algorythms do not show any difference which they obviously should.</p></blockquote><p></p>
[QUOTE="grubi, post: 363702, member: 52476"] I just did the tests on my system (comparing you recording between MP and DVBViewer) and I have to admint that I could acknowledge your observations. It looks like the picture of DVBViewer is better scaled than the MP one (better aliasing). I also verified that both graphs in use are identical. This is really strange.:S:S:S Will try to play around with VMR settings in MP next. It seems that [B]disabling[/B] the options "Use nonsquare mixing for scaling" cures the problem. The question remains why - as it should increase quality and not decreas it. I'm not an expert on this but IIRC the option should avoid that an image is scaled twice under certain circumstances. Scaling a picture twice could indeed smoothen a picture which could lead to a more pleasent apearance. [USER=78380]Mister Bean[/USER]: Maybe you could give it a try and report back. I also found that all the scaling algorythms do not show any difference which they obviously should. [/QUOTE]
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Picture quality MP1.0 vs DVBviewer
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