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MediaPortal 1
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Troubles with High Definition playback with Nvidia Codec
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<blockquote data-quote="htpcoz" data-source="post: 28683" data-attributes="member: 13987"><p>That is the really strange thing, I've never been able to see the nvidia icon when MP is using the nvidia codec. But if I fire up graphedit and connect to the remote graph, it is definitely using the nvidia codec, and shows the bitrate graph moving, and changes to the settings result in changes to the video/audio behaviour. Very strange. </p><p></p><p>I came across a listing of the various "hack" registry entries for the nvidia codec at some point (I think there might actually be a posting here somewhere) that showed a key that controlled the display of the icon, but I cannot track it down for the moment.</p><p></p><p>at the moment, HD is the only thing that I'm really missing out on, as MP sotherwise is pretty well fully featured, and even in the CVS build quite stable. I don't think that MP is to blame as the problem appears to be specifically related to the nvidia codec.</p><p></p><p>As for the card, I had major issues with it. One of the reasons I bought the card was that it supported HDTV output via a component cable. That was useless in Australia, as the sync rates supported for the 1080i that I wanted to use only supported 30Hz not 25. All the playing around with the settings there, and with powerstrip were fruitless, and actually caused the driver to bluescreen and intermittently lock up, very frustrating. I also found that when I enabled the various pure video features with the nvidia decoder, I would get intermittent lockups.</p><p></p><p>The old Radeon card I had and the new X700 I now have, have NEVER ONCE given me the lockup issues that the Nvidia gave me. HDTV output (with the assistance of powerstrip) has always been perfect.</p><p></p><p>YMMV, but I will never buy an Nvidia product again, perhaps it was my system, but it's instability was extremely annoying. </p><p></p><p>Perhaps this is the reason I cannot get HD playback to work for the nvidia codec, ie it requires the "specicial" hardware accel only provided by Nvidia hardware. That said, the Radeon doco (marketing blurb anyhow) talk about hardware accel HD decoding, but without a matching ATI software product it is hard to know if you are getting the most out of what you have in the hardware.</p></blockquote><p></p>
[QUOTE="htpcoz, post: 28683, member: 13987"] That is the really strange thing, I've never been able to see the nvidia icon when MP is using the nvidia codec. But if I fire up graphedit and connect to the remote graph, it is definitely using the nvidia codec, and shows the bitrate graph moving, and changes to the settings result in changes to the video/audio behaviour. Very strange. I came across a listing of the various "hack" registry entries for the nvidia codec at some point (I think there might actually be a posting here somewhere) that showed a key that controlled the display of the icon, but I cannot track it down for the moment. at the moment, HD is the only thing that I'm really missing out on, as MP sotherwise is pretty well fully featured, and even in the CVS build quite stable. I don't think that MP is to blame as the problem appears to be specifically related to the nvidia codec. As for the card, I had major issues with it. One of the reasons I bought the card was that it supported HDTV output via a component cable. That was useless in Australia, as the sync rates supported for the 1080i that I wanted to use only supported 30Hz not 25. All the playing around with the settings there, and with powerstrip were fruitless, and actually caused the driver to bluescreen and intermittently lock up, very frustrating. I also found that when I enabled the various pure video features with the nvidia decoder, I would get intermittent lockups. The old Radeon card I had and the new X700 I now have, have NEVER ONCE given me the lockup issues that the Nvidia gave me. HDTV output (with the assistance of powerstrip) has always been perfect. YMMV, but I will never buy an Nvidia product again, perhaps it was my system, but it's instability was extremely annoying. Perhaps this is the reason I cannot get HD playback to work for the nvidia codec, ie it requires the "specicial" hardware accel only provided by Nvidia hardware. That said, the Radeon doco (marketing blurb anyhow) talk about hardware accel HD decoding, but without a matching ATI software product it is hard to know if you are getting the most out of what you have in the hardware. [/QUOTE]
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Troubles with High Definition playback with Nvidia Codec
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