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MediaPortal 1
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CPU 100% peaks and dropped frames
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<blockquote data-quote="Johan" data-source="post: 394532" data-attributes="member: 19865"><p><strong>MediaPortal Version</strong>: 1.0.0.0 + SVN 21793</p><p><strong>MediaPortal Skin</strong>: StreamedMP</p><p><strong>Windows Version</strong>: Windows XP SP2</p><p><strong>CPU Type</strong>: AMD Athlon XP 2200</p><p><strong>HDD</strong>: 60Gb</p><p><strong>Memory</strong>: 756 Mb</p><p><strong>Motherboard</strong>: MSI</p><p><strong>Video Card</strong>: Asus ATI Radeon HD3650</p><p><strong>Video Card Driver</strong>: Catalyst 8.5</p><p><strong>Sound Card</strong>: Soundblaster Live</p><p><strong>Sound Card AC3</strong>: Coaxial out</p><p><strong>MPEG2 Video Codec</strong>: Intervideo WinDVD 7</p><p><strong>MPEG2 Audio Codec</strong>: Ffdshow</p><p><strong>h.264 Video Codec</strong>: MPC-HC Build 1004</p><p><strong>HTPC Case</strong>: Silverstone</p><p></p><p>I have a strange and somewhat annoying issue when playing videos in Mediaportal.</p><p></p><p>It occurs as droped frames/audio for a fraction of a second. It can happen many times within minutes and other times it can go several minutes between the problem.</p><p></p><p>I suspected that high cpu useage was causing this so I made some cpu logging. See attached picture. There you can see the peaks very clearly. This is what is causing the dropped frames. It does not matter if it's DXVA video or if it's cpu decoded video. The exact same happens in DVD video, h264 video and XVID.</p><p>I of course suspected the process using up all the cpu had to be Mediaportal but it is not. It is the process "System" which peaks the cpu. It only happens when I play video, not when I am in homescreen idle.</p><p></p><p>Now you might say I have some driver problem etc but I am not so sure of this. I have tested video in WinDVD, Windows Mediaplayer, MPC-HC and Graphedit and here I don't get any CPU peaks. Only in Mediaportal.</p><p></p><p>What I did now was to turn off every single plug-in in Mediaportal. The only plug-in I had active was "Home" and "My Video" so I was able to play video.</p><p>No difference so there is something in MP core?</p><p></p><p>OK I am using MP core changes to get MPC-HC subtitle integration but no. This is not it either. I reverted back to MP 1.0 (no svn, no modified core) and still the same problem.</p><p></p><p>I also suspected the memory. So I removed a 512+256 module and inserted one 1024mb module but no change either.</p><p></p><p>I have now spent hours of making different changes and logging cpu. It is darn boring since the peaks can stay away for several minutes sometimes so hard to know if it is fixed or just pure luck.</p><p>I am really clueless. HELP! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p></blockquote><p></p>
[QUOTE="Johan, post: 394532, member: 19865"] [b]MediaPortal Version[/b]: 1.0.0.0 + SVN 21793 [b]MediaPortal Skin[/b]: StreamedMP [b]Windows Version[/b]: Windows XP SP2 [b]CPU Type[/b]: AMD Athlon XP 2200 [b]HDD[/b]: 60Gb [b]Memory[/b]: 756 Mb [b]Motherboard[/b]: MSI [b]Video Card[/b]: Asus ATI Radeon HD3650 [b]Video Card Driver[/b]: Catalyst 8.5 [b]Sound Card[/b]: Soundblaster Live [b]Sound Card AC3[/b]: Coaxial out [b]MPEG2 Video Codec[/b]: Intervideo WinDVD 7 [b]MPEG2 Audio Codec[/b]: Ffdshow [b]h.264 Video Codec[/b]: MPC-HC Build 1004 [b]HTPC Case[/b]: Silverstone I have a strange and somewhat annoying issue when playing videos in Mediaportal. It occurs as droped frames/audio for a fraction of a second. It can happen many times within minutes and other times it can go several minutes between the problem. I suspected that high cpu useage was causing this so I made some cpu logging. See attached picture. There you can see the peaks very clearly. This is what is causing the dropped frames. It does not matter if it's DXVA video or if it's cpu decoded video. The exact same happens in DVD video, h264 video and XVID. I of course suspected the process using up all the cpu had to be Mediaportal but it is not. It is the process "System" which peaks the cpu. It only happens when I play video, not when I am in homescreen idle. Now you might say I have some driver problem etc but I am not so sure of this. I have tested video in WinDVD, Windows Mediaplayer, MPC-HC and Graphedit and here I don't get any CPU peaks. Only in Mediaportal. What I did now was to turn off every single plug-in in Mediaportal. The only plug-in I had active was "Home" and "My Video" so I was able to play video. No difference so there is something in MP core? OK I am using MP core changes to get MPC-HC subtitle integration but no. This is not it either. I reverted back to MP 1.0 (no svn, no modified core) and still the same problem. I also suspected the memory. So I removed a 512+256 module and inserted one 1024mb module but no change either. I have now spent hours of making different changes and logging cpu. It is darn boring since the peaks can stay away for several minutes sometimes so hard to know if it is fixed or just pure luck. I am really clueless. HELP! :( [/QUOTE]
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