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<blockquote data-quote="edterbak" data-source="post: 571596" data-attributes="member: 69192">Hi Rak,I doubt what I write is the issue you are seeing, but it might help to rule out other causes.Do you know how many reference frames the movie file has? I ask this because it seems ATI doesnt have its drivers up the same level compared with NVidia. anything with more than 4-5 reference frames isnt played smoothly with use of DXVA. (is the bluray specification.)I dont know what hardware you have, so thats why Im asking. If you are using ATI card and media file with more than 5 reference frames Profile High@L5.1 with DXVA it will judder VERY much..&nbsp; Any other files with lower ref frames should play 100% ok. The latest MPC-HC version is also better in handling high ref frames files.For more information about this: See <a href="http://forums.guru3d.com/showthread.php?t=308911" target="_blank">http://forums.guru3d.com/showthread.php?t=308911</a>or<a href="http://forums.amd.com/game/messageview.cfm?catid=279&amp;threadid=106911" target="_blank">http://forums.amd.com/game/messageview.cfm?catid=279&amp;threadid=106911</a></blockquote>

[QUOTE="edterbak, post: 571596, member: 69192"] Hi Rak, I doubt what I write is the issue you are seeing, but it might help to rule out other causes. Do you know how many reference frames the movie file has? I ask this because it seems ATI doesnt have its drivers up the same level compared with NVidia. anything with more than 4-5 reference frames isnt played smoothly with use of DXVA. (is the bluray specification.) I dont know what hardware you have, so thats why Im asking. If you are using ATI card and media file with more than 5 reference frames Profile High@L5.1 with DXVA it will judder VERY much.. Any other files with lower ref frames should play 100% ok. The latest MPC-HC version is also better in handling high ref frames files. For more information about this: See [url]http://forums.guru3d.com/showthread.php?t=308911[/url] or [url]http://forums.amd.com/game/messageview.cfm?catid=279&threadid=106911[/url] [/QUOTE]

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