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MediaPortal 1
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Different recording formats by Channel?
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<blockquote data-quote="mm1352000" data-source="post: 787424" data-attributes="member: 82144"><p>Hi again Srikanth</p><p></p><p></p><p>Sounds like a codec issue rather than an HDCP issue. Is the Colossus audio coming from the HDMI, or some other input?</p><p></p><p></p><p>This is as expected and would be the same with MediaPortal's TV Server - recording simply copies the stream to the HDD without any re-encoding.</p><p></p><p></p><p>This likely to be because your CPU is decoding the video. Are you still using the Microsoft DTV-DVD video codec for TV and video? If so, then it is possible that your integrated GPU doesn't support hardware accelerated decoding. You may need a new video card.</p><p></p><p></p><p>This is because the TV server is only streaming the TV data to the client. The client decodes the video, so the server doesn't work very hard.</p><p></p><p></p><p>Again - sounds like a codec issue.</p><p></p><p></p><p>Yes, I think so. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p>There is no encoding happening on either the server or the client. As I've already said, it seems that hardware decoding is not being used, either because the codecs or GPUs that you're using don't support it.</p><p></p><p></p><p>I don't think your CPU would be used so much if it is all MPEG 2, but I could be wrong. Can you make two short recordings - one SD and one HD, about 50 MB each - and upload them to our FTP server for me to check. The FTP login details can be found --><a href="http://wiki.team-mediaportal.com/1_MEDIAPORTAL_1/18_Contribute/4_Development/Debugging/TS_Dumps" target="_blank">on this page</a><--.</p><p></p><p></p><p>As a guess: the SD recordings are in MPEG 2 format and the HD recordings are in h.264 format. MPEG 2 is not as efficient as h.264, meaning it takes more bits to store video at the same quality. Even though the quality of the SD video may be lower, it may take more space with MPEG 2. If you provide the samples then I can be more sure...</p><p></p><p>mm</p></blockquote><p></p>
[QUOTE="mm1352000, post: 787424, member: 82144"] Hi again Srikanth Sounds like a codec issue rather than an HDCP issue. Is the Colossus audio coming from the HDMI, or some other input? This is as expected and would be the same with MediaPortal's TV Server - recording simply copies the stream to the HDD without any re-encoding. This likely to be because your CPU is decoding the video. Are you still using the Microsoft DTV-DVD video codec for TV and video? If so, then it is possible that your integrated GPU doesn't support hardware accelerated decoding. You may need a new video card. This is because the TV server is only streaming the TV data to the client. The client decodes the video, so the server doesn't work very hard. Again - sounds like a codec issue. Yes, I think so. :) There is no encoding happening on either the server or the client. As I've already said, it seems that hardware decoding is not being used, either because the codecs or GPUs that you're using don't support it. I don't think your CPU would be used so much if it is all MPEG 2, but I could be wrong. Can you make two short recordings - one SD and one HD, about 50 MB each - and upload them to our FTP server for me to check. The FTP login details can be found -->[URL="http://wiki.team-mediaportal.com/1_MEDIAPORTAL_1/18_Contribute/4_Development/Debugging/TS_Dumps"]on this page[/URL]<--. As a guess: the SD recordings are in MPEG 2 format and the HD recordings are in h.264 format. MPEG 2 is not as efficient as h.264, meaning it takes more bits to store video at the same quality. Even though the quality of the SD video may be lower, it may take more space with MPEG 2. If you provide the samples then I can be more sure... mm [/QUOTE]
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