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Playback problems with CBS and XvMC
http://forum.linhes.org/viewtopic.php?f=15&t=20768
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Author:  tjc [ Tue Jan 12, 2010 11:27 pm ]
Post subject:  Playback problems with CBS and XvMC

As reported by at least a couple other folks there is apparently a known problem playing back 1080i HD content recorded from CBS using XvMC. Some people have reported success with hardware configuration tweaks but the most reliable answer seems to be playing back without XvMC if at all possible.

http://knoppmyth.net/phpBB2/viewtopic.php?t=19497
http://knoppmyth.net/phpBB2/viewtopic.php?t=17405

To check if you're having this problem look in your log files for a long stream of messages like this:

Code:
2010-01-12 22:55:02.758 [mpegvideo_xvmc @ 0xb727ee68]get_buffer() failed (1 1073741824 2 (nil))
2010-01-12 22:55:02.759 AFD Error: Unknown decoding error
2010-01-12 22:55:02.761 [mpegvideo_xvmc @ 0xb727ee68]get_buffer() failed (1 1073741824 2 (nil))
2010-01-12 22:55:02.761 AFD Error: Unknown decoding error
2010-01-12 22:55:02.762 [mpegvideo_xvmc @ 0xb727ee68]get_buffer() failed (1 1073741824 2 (nil))
2010-01-12 22:55:02.762 AFD Error: Unknown decoding error
2010-01-12 22:55:02.764 [mpegvideo_xvmc @ 0xb727ee68]get_buffer() failed (1 1073741824 2 (nil))
2010-01-12 22:55:02.764 AFD Error: Unknown decoding error
2010-01-12 22:55:02.765 [mpegvideo_xvmc @ 0xb727ee68]get_buffer() failed (1 1073741824 2 (nil))
2010-01-12 22:55:02.765 AFD Error: Unknown decoding error

To change the playback profile go to Main menu -> Utilities/Setup -> Setup -> TV Settings -> Playback -> Screen 3/9 and select one that doesn't use XvMC. You may need to switch back before playing HD content from other networks.

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