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New Build - Jerky Playback After Resume
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<blockquote data-quote="CyberSimian" data-source="post: 1298965" data-attributes="member: 141969"><p>I have looked at your log files, but as usual they are pretty unintelligible <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" />. However...</p><p></p><p>For some reason I am under the impression that you are in Australia, where the electric mains frequency is 50Hz. As a result, your graphics adapter should be set to a refresh rate of 50Hz (or a multiple or submultiple thereof), and not 60Hz (or a multiple or submultiple thereof).</p><p></p><p>The log files "evr.log" and "evr.bak" show that your display seems to be running at 30Hz (search for the string <strong>Hz</strong>).</p><p> </p><p>Although Windows Media Player plays the files without stutter, it is possible that Media Player knows that the frame rate of the file is 25 frames/sec progressive, or 50 fields/sec interlaced, and so changes the refresh rate of the display to play the file, and then re-instates the original refresh rate at the end of play. </p><p></p><p>Getting truly smooth playback is really difficult. In the UK both 25 frames/sec progressive, and 50 fields/sec interlaced are used, and I have even seen (on my Sony TV) the type of scan changing <em>within a single advertisement</em> (when the advertisement uses video from different sources). You might think that selecting progressive scan (25p) in your graphics adapter is the better choice, but I have found that interlaced scan (50i) gives slightly better results, but jerky horizontal scolling of tickertape newsfeeds, and jerky vertical scrolling of programme credits, is still evident. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>Finally, I get the impression from your post that you sleep your system with MP still open. I never do that, as it is infamous for not working properly. I exit MP before hibernating my system, and then restart MP from the desktop using the START button on the remote control.</p><p></p><p>Finally finally, the above may all be a complete load of... balderdash. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /></p><p></p><p>-- from CyberSimian in the UK</p></blockquote><p></p>
[QUOTE="CyberSimian, post: 1298965, member: 141969"] I have looked at your log files, but as usual they are pretty unintelligible :(. However... For some reason I am under the impression that you are in Australia, where the electric mains frequency is 50Hz. As a result, your graphics adapter should be set to a refresh rate of 50Hz (or a multiple or submultiple thereof), and not 60Hz (or a multiple or submultiple thereof). The log files "evr.log" and "evr.bak" show that your display seems to be running at 30Hz (search for the string [B]Hz[/B]). Although Windows Media Player plays the files without stutter, it is possible that Media Player knows that the frame rate of the file is 25 frames/sec progressive, or 50 fields/sec interlaced, and so changes the refresh rate of the display to play the file, and then re-instates the original refresh rate at the end of play. Getting truly smooth playback is really difficult. In the UK both 25 frames/sec progressive, and 50 fields/sec interlaced are used, and I have even seen (on my Sony TV) the type of scan changing [i]within a single advertisement[/i] (when the advertisement uses video from different sources). You might think that selecting progressive scan (25p) in your graphics adapter is the better choice, but I have found that interlaced scan (50i) gives slightly better results, but jerky horizontal scolling of tickertape newsfeeds, and jerky vertical scrolling of programme credits, is still evident. :( Finally, I get the impression from your post that you sleep your system with MP still open. I never do that, as it is infamous for not working properly. I exit MP before hibernating my system, and then restart MP from the desktop using the START button on the remote control. Finally finally, the above may all be a complete load of... balderdash. :eek: -- from CyberSimian in the UK [/QUOTE]
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