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MediaPortal 1
Support
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watch/edit Videos
Framerate jumping and jitter
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<blockquote data-quote="NoBugS" data-source="post: 499872" data-attributes="member: 97288"><p><strong>TV-Server Version</strong>: -</p><p><strong>MediaPortal Version</strong>: 1.0.2 (latest)</p><p><strong>MediaPortal Skin</strong>: Wide3</p><p><strong>Windows Version</strong>: XP SP3</p><p><strong>CPU Type</strong>: </p><p><strong>HDD</strong>: 60G</p><p><strong>Memory</strong>: 2G</p><p><strong>Motherboard</strong>: </p><p><strong>Video Card</strong>: Intel Integrated 915</p><p><strong>Video Card Driver</strong>: </p><p><strong>Sound Card</strong>: </p><p><strong>Sound Card AC3</strong>: </p><p><strong>Sound Card Driver</strong>: </p><p><strong>1. TV Card</strong>: </p><p><strong>1. TV Card Type</strong>: </p><p><strong>1. TV Card Driver</strong>: </p><p><strong>2. TV Card</strong>: </p><p><strong>2. TV Card Type</strong>: </p><p><strong>2. TV Card Driver</strong>: </p><p><strong>3. TV Card</strong>: </p><p><strong>3. TV Card Type</strong>: </p><p><strong>3. TV Card Driver</strong>: </p><p><strong>4. TV Card</strong>: </p><p><strong>4. TV Card Type</strong>: </p><p><strong>4. TV Card Driver</strong>: </p><p><strong>MPEG2 Video Codec</strong>: </p><p><strong>MPEG2 Audio Codec</strong>: </p><p><strong>h.264 Video Codec</strong>: </p><p><strong>Satelite/CableTV Provider</strong>: </p><p><strong>HTPC Case</strong>: </p><p><strong>Cooling</strong>: </p><p><strong>Power Supply</strong>: </p><p><strong>Remote</strong>: </p><p><strong>TV</strong>: </p><p><strong>TV - HTPC Connection</strong>: </p><p></p><p>First: Its all about XDIV compressed Video with AC3 (DD5.1) in avi-format.</p><p></p><p>I have 2 HTPCs at home. One is an HP Slimline - runs perfectly. Smooth video, no jitter, nothing. <Shift>+<1> tells me that the framerate is basically constant at 23.97. I think thats pefect, right? Well at least it looks great.</p><p></p><p>Now I set up a second PC. Its a DELL Latitude D610 with 2GB RAM. I use the same external drive to store the movies. However if I watch the movies they sometimes play too FAST?! <Shift>+<1> tells me that the fps jump to 30 or more. I could understand if it drops (if the CPU is too slow) but not that ist too fast.... CPU-load is never more then 30%-40%. It might run for 5 mins and then suddenly the jitter goes from 0 or 1 up to 80-200 or so. After a bit it drops back. Since it looks like its running too fast I don't think the CPU is too slow.</p><p>BTW: It's the same regardless of Display-Device (internal LCD or external HDTV).</p><p></p><p>I played around with different codecs, no success.... I installed the same codecs (with same settings) on both machines. Does not help. Has anybody an idea?</p><p></p><p>Thanks for the support and thanks for a great software....</p><p>Stephan</p><p></p><p>Found something interesting...</p><p></p><p>When I change the setting for MPA Audio from 'Decode to SPDIF' to 'Speaker' the issue goes away.</p><p>So somehow related to Audio? Maybe that helps?</p></blockquote><p></p>
[QUOTE="NoBugS, post: 499872, member: 97288"] [b]TV-Server Version[/b]: - [b]MediaPortal Version[/b]: 1.0.2 (latest) [b]MediaPortal Skin[/b]: Wide3 [b]Windows Version[/b]: XP SP3 [b]CPU Type[/b]: [b]HDD[/b]: 60G [b]Memory[/b]: 2G [b]Motherboard[/b]: [b]Video Card[/b]: Intel Integrated 915 [b]Video Card Driver[/b]: [b]Sound Card[/b]: [b]Sound Card AC3[/b]: [b]Sound Card Driver[/b]: [b]1. TV Card[/b]: [b]1. TV Card Type[/b]: [b]1. TV Card Driver[/b]: [b]2. TV Card[/b]: [b]2. TV Card Type[/b]: [b]2. TV Card Driver[/b]: [b]3. TV Card[/b]: [b]3. TV Card Type[/b]: [b]3. TV Card Driver[/b]: [b]4. TV Card[/b]: [b]4. TV Card Type[/b]: [b]4. TV Card Driver[/b]: [b]MPEG2 Video Codec[/b]: [b]MPEG2 Audio Codec[/b]: [b]h.264 Video Codec[/b]: [b]Satelite/CableTV Provider[/b]: [b]HTPC Case[/b]: [b]Cooling[/b]: [b]Power Supply[/b]: [b]Remote[/b]: [b]TV[/b]: [b]TV - HTPC Connection[/b]: First: Its all about XDIV compressed Video with AC3 (DD5.1) in avi-format. I have 2 HTPCs at home. One is an HP Slimline - runs perfectly. Smooth video, no jitter, nothing. <Shift>+<1> tells me that the framerate is basically constant at 23.97. I think thats pefect, right? Well at least it looks great. Now I set up a second PC. Its a DELL Latitude D610 with 2GB RAM. I use the same external drive to store the movies. However if I watch the movies they sometimes play too FAST?! <Shift>+<1> tells me that the fps jump to 30 or more. I could understand if it drops (if the CPU is too slow) but not that ist too fast.... CPU-load is never more then 30%-40%. It might run for 5 mins and then suddenly the jitter goes from 0 or 1 up to 80-200 or so. After a bit it drops back. Since it looks like its running too fast I don't think the CPU is too slow. BTW: It's the same regardless of Display-Device (internal LCD or external HDTV). I played around with different codecs, no success.... I installed the same codecs (with same settings) on both machines. Does not help. Has anybody an idea? Thanks for the support and thanks for a great software.... Stephan Found something interesting... When I change the setting for MPA Audio from 'Decode to SPDIF' to 'Speaker' the issue goes away. So somehow related to Audio? Maybe that helps? [/QUOTE]
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