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MediaPortal 1
Support
Watch / Listen Media
watch/edit Videos
Audio sync problems when screen set to 24 Hz
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<blockquote data-quote="johan_80" data-source="post: 515124" data-attributes="member: 91181"><p>I had 3 problems with the player in the past:</p><p></p><p>[1] Audio sync when the frame rate are close to the refresh rate. 23.976fps at 23.976Hz for example.</p><p></p><p>[2] "Slideshow" (heavy stuttering) frame presentation after skip/jump forward/backward in video file. (Quickfix is to interact with another windows application and then go back to MediaPortal)</p><p></p><p>[3] "Slideshow" (heavy stuttering) after automatic refresh rate change. (Quickfix is to interact with another windows application and then go back to MediaPortal)</p><p></p><p>After some testing with this new patch I think [1] (the Audio sync issue) is solved.</p><p>But I encountered a problem never seen before that may be related to [2].</p><p></p><p>When jumping back and forth (up key/down key) the video sometimes freeze. A single frame get stuck while audio plays normal. Pause/play or jump back/forth will NOT solve this issue. Only way to get proper playback again is to enter the GUI (basic home for example) and the enter fullscreen again. The quickfix used in [2] does not work.</p><p></p><p>Tested and encountered this problem with the following codecs:</p><p>CoreAVC 1.9.5 decoder</p><p>MPC-HC rev. 1.3.1281 decoders</p><p>Cyberlink PowerDVD 8 MPEG-2 decoder</p><p>Cyberlink PowerDVD 8 AVC/H264 decoder</p><p>Cyberlink PowerDVD 9 MPEG-2 decoder</p><p>Microsofts in Windows 7 included VC-1 decoder</p><p></p><p></p><p></p><p>Tested with and without ReClock present in the graph with the same result. The only exception is that I could not provoke this behavior when using the VC-1 codec if ReClock was not loaded.</p><p></p><p>(The test-material consists of Blu-rays and HD DVDs remuxed to mkvs with original video intact and audio reencoded to flac)</p></blockquote><p></p>
[QUOTE="johan_80, post: 515124, member: 91181"] I had 3 problems with the player in the past: [1] Audio sync when the frame rate are close to the refresh rate. 23.976fps at 23.976Hz for example. [2] "Slideshow" (heavy stuttering) frame presentation after skip/jump forward/backward in video file. (Quickfix is to interact with another windows application and then go back to MediaPortal) [3] "Slideshow" (heavy stuttering) after automatic refresh rate change. (Quickfix is to interact with another windows application and then go back to MediaPortal) After some testing with this new patch I think [1] (the Audio sync issue) is solved. But I encountered a problem never seen before that may be related to [2]. When jumping back and forth (up key/down key) the video sometimes freeze. A single frame get stuck while audio plays normal. Pause/play or jump back/forth will NOT solve this issue. Only way to get proper playback again is to enter the GUI (basic home for example) and the enter fullscreen again. The quickfix used in [2] does not work. Tested and encountered this problem with the following codecs: CoreAVC 1.9.5 decoder MPC-HC rev. 1.3.1281 decoders Cyberlink PowerDVD 8 MPEG-2 decoder Cyberlink PowerDVD 8 AVC/H264 decoder Cyberlink PowerDVD 9 MPEG-2 decoder Microsofts in Windows 7 included VC-1 decoder Tested with and without ReClock present in the graph with the same result. The only exception is that I could not provoke this behavior when using the VC-1 codec if ReClock was not loaded. (The test-material consists of Blu-rays and HD DVDs remuxed to mkvs with original video intact and audio reencoded to flac) [/QUOTE]
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Audio sync problems when screen set to 24 Hz
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