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MediaPortal 1
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Slow 720p playback on new HTPC
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<blockquote data-quote="Commodore 64" data-source="post: 193780" data-attributes="member: 13303"><p>I use a P4 3.0e for 720p playback and generally it works fine. However, if I get a high bitrate 720p file, then I get dropped frames. Seems like this system is borderline for x264 playback. Yours may be too. x264 will put a hurtin' on yuor CPU, big time. Ideally you'd have hardware assist from your video card...What is your videocard? 8500GT and up have hardware acceleration for x264. My rig is AGP and since it generally plays well, I haven't bother to look into upgrading the video card, I'm not even sure there is an AGP card with x264 hardware acceleration.</p><p></p><p>FYI, mkv is irrelevant, it is just a container for your video file. You are most likely playing back x264 formatted video which is Mpeg-4 and older cards only have Mpeg-2 acceleration.</p><p></p><p>One thing you may wish to try is a different x264 codec. For example, CoreAVC stutters sometimes when the recent FFDShow x264 doesn't. I use CoreAVC. What do you use?</p></blockquote><p></p>
[QUOTE="Commodore 64, post: 193780, member: 13303"] I use a P4 3.0e for 720p playback and generally it works fine. However, if I get a high bitrate 720p file, then I get dropped frames. Seems like this system is borderline for x264 playback. Yours may be too. x264 will put a hurtin' on yuor CPU, big time. Ideally you'd have hardware assist from your video card...What is your videocard? 8500GT and up have hardware acceleration for x264. My rig is AGP and since it generally plays well, I haven't bother to look into upgrading the video card, I'm not even sure there is an AGP card with x264 hardware acceleration. FYI, mkv is irrelevant, it is just a container for your video file. You are most likely playing back x264 formatted video which is Mpeg-4 and older cards only have Mpeg-2 acceleration. One thing you may wish to try is a different x264 codec. For example, CoreAVC stutters sometimes when the recent FFDShow x264 doesn't. I use CoreAVC. What do you use? [/QUOTE]
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