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MediaPortal 1
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HDV MPEG 2 files have choppy play back
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<blockquote data-quote="bjvideo" data-source="post: 365524" data-attributes="member: 87138"><p>I've uploaded a 20 second sample that causes MediaPortal to skip.</p><p></p><p>The link to the file is </p><p></p><p><a href="http://rapidshare.com/files/187958637/20-sec-test.mpg.html" target="_blank">20 Second Test.mpg</a></p><p></p><p>The file is in the HDV format 1440x1080, 29.97 frame rate, </p><p>Max video rate is 25 mbits, average is 18 mbits and the encoding is variable.</p><p>Audio is MP2, 48K sample rate and 224 rate, 16 bit stereo</p><p></p><p>While I was creating this sample I played around with the rates on other samples and if I reduce the video rate to 20 Mbits max the video will play. I'm going to create a few more samples at different rates and see when it stops playing.</p><p></p><p>thanks,</p><p>Bill</p><p></p><p>Okay I've tried several different bit rates and seems that anything over 21.5 mbits fails.</p><p></p><p>Of course on another slower computer I have to drop down to 18 mbits. </p><p></p><p>Of course on both of these computers the cpu load is still around 20% to 30%. </p><p></p><p>I've put together some 10 second clips at different bit rates and formats that cause issues within Media Portal and uploaded them to rapidshare.</p><p></p><p>These clips all play correctly on either system with VLC.</p><p></p><p>On the Phenom II 920 system inside of Media Portal, the 720P and 20 mbit HDV (1080i) play the rest HDV2, 1080i HD and 1080P HD fail.</p><p></p><p>On the Phenom 8450 - none of the clips will play correctly inside Media Portal.</p><p></p><p>Here are the clips:</p><p></p><p><a href="http://rapidshare.com/files/187996898/10-sec-test-20-14max-224a.mpg" target="_blank">HDV 20 mbits</a></p><p></p><p><a href="http://rapidshare.com/files/187996897/10-sec-test-35-25max-224a.mpg" target="_blank">HDV2 35 mbits</a></p><p></p><p><a href="http://rapidshare.com/files/187996894/10-sec-720p-HD.mpg" target="_blank">720p HD</a></p><p></p><p><a href="http://rapidshare.com/files/187996896/10-sec-1080p-HD.mpg" target="_blank">1080p HD</a></p><p></p><p>All four clips are of the same subject and are 10 seconds long.</p><p></p><p>Bill</p></blockquote><p></p>
[QUOTE="bjvideo, post: 365524, member: 87138"] I've uploaded a 20 second sample that causes MediaPortal to skip. The link to the file is [URL="http://rapidshare.com/files/187958637/20-sec-test.mpg.html"]20 Second Test.mpg[/URL] The file is in the HDV format 1440x1080, 29.97 frame rate, Max video rate is 25 mbits, average is 18 mbits and the encoding is variable. Audio is MP2, 48K sample rate and 224 rate, 16 bit stereo While I was creating this sample I played around with the rates on other samples and if I reduce the video rate to 20 Mbits max the video will play. I'm going to create a few more samples at different rates and see when it stops playing. thanks, Bill Okay I've tried several different bit rates and seems that anything over 21.5 mbits fails. Of course on another slower computer I have to drop down to 18 mbits. Of course on both of these computers the cpu load is still around 20% to 30%. I've put together some 10 second clips at different bit rates and formats that cause issues within Media Portal and uploaded them to rapidshare. These clips all play correctly on either system with VLC. On the Phenom II 920 system inside of Media Portal, the 720P and 20 mbit HDV (1080i) play the rest HDV2, 1080i HD and 1080P HD fail. On the Phenom 8450 - none of the clips will play correctly inside Media Portal. Here are the clips: [URL="http://rapidshare.com/files/187996898/10-sec-test-20-14max-224a.mpg"]HDV 20 mbits[/URL] [URL="http://rapidshare.com/files/187996897/10-sec-test-35-25max-224a.mpg"]HDV2 35 mbits[/URL] [URL="http://rapidshare.com/files/187996894/10-sec-720p-HD.mpg"]720p HD[/URL] [URL="http://rapidshare.com/files/187996896/10-sec-1080p-HD.mpg"]1080p HD[/URL] All four clips are of the same subject and are 10 seconds long. Bill [/QUOTE]
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