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MediaPortal 1
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Stutter in Moving-Pictures - MP 1.4.0
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<blockquote data-quote="RoChess" data-source="post: 1005451" data-attributes="member: 18896"><p>Video playback is dealt with by MediaPortal itself (unless you rely on the external player setup of MovPic or MePo).</p><p> </p><p>Stuttering is usually caused by the following:</p><p> </p><ol> <li data-xf-list-type="ol">Codec are not configured correct</li> <li data-xf-list-type="ol">The codecs in use are not the right choice</li> <li data-xf-list-type="ol">System specs are not good enough</li> </ol><p></p><p>The solutions to those can sometimes be as easy as:</p><p> </p><ol> <li data-xf-list-type="ol">Check your video codec, video splitter and/or audio codec settings. For example LAV video codec, which is default for MediaPortal does not enable DXVA by default. You have to open the video codec settings and enable them. The "DXVA2 (native)" accelleration is best choice, unless you have an Intel CPU system that supports QuickSync. In that case test yourself to see which one works best. Simply run MediaPortal in windowed mode (ALT+Enter) and run additional test tools at the same time, such as the GPU and CPU widget, so you can see what combination of settings yields the lowest CPU impact.</li> <li data-xf-list-type="ol">You could simply have too much stuff running at the same time, check your task manager, to see which process is taking up precious CPU cycles while video is stuttering (use windowed mode on MediaPortal). If it is all MediaPortal itself, then you have to investigate which plugin is causing it. Moving-Pictures for example will scan files with MediaInfo, but MediaPortal does the same when playback commences. Multi-thread issues with the wrong splitter/codec can occur then. The MPC-HC standalone codecs are much better mutli-thread aware then the LAV codecs and can deal with interrupts much better, so that at all times the video+audio remain in sync while the system is quickly trying to handle all the other tasks. If any codec forces itself to use 100% of the CPU, then this results in stutterering when the other codec is catching up.</li> <li data-xf-list-type="ol">Sometimes it is all down to that the system is too slow for what you are trying to do with it, so you need a faster one, or start disabling features.</li> </ol><p>Report back please on your progress.</p><p> </p><p>More then likely you overlooked the DXVA configuration step.</p></blockquote><p></p>
[QUOTE="RoChess, post: 1005451, member: 18896"] Video playback is dealt with by MediaPortal itself (unless you rely on the external player setup of MovPic or MePo). Stuttering is usually caused by the following: [LIST=1] [*]Codec are not configured correct [*]The codecs in use are not the right choice [*]System specs are not good enough [/LIST] The solutions to those can sometimes be as easy as: [LIST=1] [*]Check your video codec, video splitter and/or audio codec settings. For example LAV video codec, which is default for MediaPortal does not enable DXVA by default. You have to open the video codec settings and enable them. The "DXVA2 (native)" accelleration is best choice, unless you have an Intel CPU system that supports QuickSync. In that case test yourself to see which one works best. Simply run MediaPortal in windowed mode (ALT+Enter) and run additional test tools at the same time, such as the GPU and CPU widget, so you can see what combination of settings yields the lowest CPU impact. [*]You could simply have too much stuff running at the same time, check your task manager, to see which process is taking up precious CPU cycles while video is stuttering (use windowed mode on MediaPortal). If it is all MediaPortal itself, then you have to investigate which plugin is causing it. Moving-Pictures for example will scan files with MediaInfo, but MediaPortal does the same when playback commences. Multi-thread issues with the wrong splitter/codec can occur then. The MPC-HC standalone codecs are much better mutli-thread aware then the LAV codecs and can deal with interrupts much better, so that at all times the video+audio remain in sync while the system is quickly trying to handle all the other tasks. If any codec forces itself to use 100% of the CPU, then this results in stutterering when the other codec is catching up. [*]Sometimes it is all down to that the system is too slow for what you are trying to do with it, so you need a faster one, or start disabling features. [/LIST] Report back please on your progress. More then likely you overlooked the DXVA configuration step. [/QUOTE]
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