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<blockquote data-quote="andydixon" data-source="post: 866980" data-attributes="member: 13708">I've recently reinstalled Windows (upgraded from XP to 7 64 bit) and started using SAF 6.0.9 with Mediaportal 1.2.2, set up to use &quot;FFDShow DXVA video decoder&quot; as the H.264 decoder under &quot;Videos codecs&quot;.&nbsp; Video Zoom in MP has the default set to normal.&nbsp;I have a number of MKV files where the pixel aspect ratio is different from the playback aspect ratio.&nbsp; I'm not sure of the correct terminology here, but for example in Mediainfo it shows the video details as 540x570 (4:3) for one of these files.&nbsp; I want to video to playback in MP at 4:3 but it plays as 540:570.&nbsp; These files played at the correct aspect ratio with my old Win XP install, so I'm guessing there is a setting somewhere that I haven't got right.&nbsp; I've looked in the setting for FFDShow and LAV splitter, but can't find anything that seems to be related to aspect ratio.&nbsp;I have the same problem when playing back these files using the MPC-HC as installed by SAF.&nbsp; MPC-HC properties shows the video as 540x570 (4:3).&nbsp; If I go View -&gt; Video Frame -&gt; Override aspect ratio and change the setting from &quot;Default&quot; to &quot;4:3&quot; then the video is played correctly.&nbsp;Can anyone give me an ideas for what might be wrong?&nbsp;Thanks a lotAndy</blockquote>

[QUOTE="andydixon, post: 866980, member: 13708"] I've recently reinstalled Windows (upgraded from XP to 7 64 bit) and started using SAF 6.0.9 with Mediaportal 1.2.2, set up to use "FFDShow DXVA video decoder" as the H.264 decoder under "Videos codecs". Video Zoom in MP has the default set to normal. I have a number of MKV files where the pixel aspect ratio is different from the playback aspect ratio. I'm not sure of the correct terminology here, but for example in Mediainfo it shows the video details as 540x570 (4:3) for one of these files. I want to video to playback in MP at 4:3 but it plays as 540:570. These files played at the correct aspect ratio with my old Win XP install, so I'm guessing there is a setting somewhere that I haven't got right. I've looked in the setting for FFDShow and LAV splitter, but can't find anything that seems to be related to aspect ratio. I have the same problem when playing back these files using the MPC-HC as installed by SAF. MPC-HC properties shows the video as 540x570 (4:3). If I go View -> Video Frame -> Override aspect ratio and change the setting from "Default" to "4:3" then the video is played correctly. Can anyone give me an ideas for what might be wrong? Thanks a lot Andy [/QUOTE]

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