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Issues with deinterlacing on ATI cards
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<blockquote data-quote="anything" data-source="post: 40392" data-attributes="member: 12498"><p>I've had this problem ever since i started my HTPC back in March '05.</p><p></p><p>I get a horizontal blind/banding/combing effect on film (non interlaced/progressive) content on 1080i material; i also get a less pronounced/noticible version of the effect with video (interlaced) content on 1080i material.</p><p></p><p>This problem occurs with Nvidia Purevideo, Cyberlink PowerDVD 6.0, FusionHDTV Zulu DxVA, Intervideo WinDVD7 decoders when using DxVA in all players (Zoomplayer/MediaPlayer/MCE/MediaPortal). </p><p></p><p>If i use a software decoder the problem doesnt occur.</p><p>If i turn off DxVA on these decoders the problem doesnt occur.</p><p>If i force weave/film the problem doesnt occur.</p><p></p><p>These pictures were taken in MCE from a 1080i recorded OTA clip.</p><p></p><p>This is what my picture looks like:</p><p><a href="http://img122.imageshack.us/img122/2936/1bad0yh.jpg" target="_blank">http://img122.imageshack.us/img122/2936/1bad0yh.jpg</a></p><p></p><p>This is what it should look like:</p><p><a href="http://img116.imageshack.us/img116/6029/1good3lt.jpg" target="_blank">http://img116.imageshack.us/img116/6029/1good3lt.jpg</a></p><p></p><p>This same problem is discussed in these threads:</p><p><a href="http://www.avsforum.com/avs-vb/showthread.php?t=507196&page=1&pp=30&highlight=blinds" target="_blank">http://www.avsforum.com/avs-vb/showthread.php?t=507196&page=1&pp=30&highlight=blinds</a></p><p><a href="http://www.dtvforum.info/index.php?showtopic=9141" target="_blank">http://www.dtvforum.info/index.php?showtopic=9141</a></p><p></p><p>No where is there a solution other than going back to ATI Catalyst Drivers 4.6 or earlier (which introduces other problems and isnt an acceptable solution) or not using DxVA.</p><p></p><p>Then yesterday I was tinkering with the ATI Driver Control pannel's deinterlacing settings (Video->Deinterlacing). Not knowing and not being able to find out on the internet what these settings actually do I was changing the setting and seeing if it made any difference to the banding problem.</p><p></p><p>I found setting it to 'weave' would stop MCE from playing any video file (avi's, wmv's, as well as mpeg2 files). After setting is back to 'automatic' the video files would play again and to my shock THERE WAS NO MORE BANDING. Sure enough going into the control pannel again selecting 'automatic' and hitting apply or restarting the PC was enough to bring back the problem.</p><p></p><p>Long story short my banding problem can be fixed by going into the ATI Drivers going to Video->Deinterlacing changing the setting to 'weave' hitting apply, changing it back to 'automatic' and hitting apply.</p><p></p><p>Since i have no confidence in either ATI to fix this problem since its been around for so long, im looking for a way to automate this fix, but have no idea how to, short of a horrible mouse moving macro. Any ideas?</p><p></p><p>Does this fix work for others with this problem?</p><p></p><p></p><p></p><p>System Specs:</p><p>ATI 9550 card</p><p>ATI 6.2 drivers</p><p>PowerDVD 6.0 decoder</p><p>Intervideo7 decoder</p><p>Fusion 3.3 decoder</p><p>Nvidia Purevideo 1.02-185 decoder</p></blockquote><p></p>
[QUOTE="anything, post: 40392, member: 12498"] I've had this problem ever since i started my HTPC back in March '05. I get a horizontal blind/banding/combing effect on film (non interlaced/progressive) content on 1080i material; i also get a less pronounced/noticible version of the effect with video (interlaced) content on 1080i material. This problem occurs with Nvidia Purevideo, Cyberlink PowerDVD 6.0, FusionHDTV Zulu DxVA, Intervideo WinDVD7 decoders when using DxVA in all players (Zoomplayer/MediaPlayer/MCE/MediaPortal). If i use a software decoder the problem doesnt occur. If i turn off DxVA on these decoders the problem doesnt occur. If i force weave/film the problem doesnt occur. These pictures were taken in MCE from a 1080i recorded OTA clip. This is what my picture looks like: [url]http://img122.imageshack.us/img122/2936/1bad0yh.jpg[/url] This is what it should look like: [url]http://img116.imageshack.us/img116/6029/1good3lt.jpg[/url] This same problem is discussed in these threads: [url]http://www.avsforum.com/avs-vb/showthread.php?t=507196&page=1&pp=30&highlight=blinds[/url] [url]http://www.dtvforum.info/index.php?showtopic=9141[/url] No where is there a solution other than going back to ATI Catalyst Drivers 4.6 or earlier (which introduces other problems and isnt an acceptable solution) or not using DxVA. Then yesterday I was tinkering with the ATI Driver Control pannel's deinterlacing settings (Video->Deinterlacing). Not knowing and not being able to find out on the internet what these settings actually do I was changing the setting and seeing if it made any difference to the banding problem. I found setting it to 'weave' would stop MCE from playing any video file (avi's, wmv's, as well as mpeg2 files). After setting is back to 'automatic' the video files would play again and to my shock THERE WAS NO MORE BANDING. Sure enough going into the control pannel again selecting 'automatic' and hitting apply or restarting the PC was enough to bring back the problem. Long story short my banding problem can be fixed by going into the ATI Drivers going to Video->Deinterlacing changing the setting to 'weave' hitting apply, changing it back to 'automatic' and hitting apply. Since i have no confidence in either ATI to fix this problem since its been around for so long, im looking for a way to automate this fix, but have no idea how to, short of a horrible mouse moving macro. Any ideas? Does this fix work for others with this problem? System Specs: ATI 9550 card ATI 6.2 drivers PowerDVD 6.0 decoder Intervideo7 decoder Fusion 3.3 decoder Nvidia Purevideo 1.02-185 decoder [/QUOTE]
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