[mythtv-users] Jitters during playback

Mitchell Gore mitchell.gore at gmail.com
Sat Jan 28 04:30:05 UTC 2012


Hi,

When I play back many recording I constantly get jitters/pixelations and
sometimes a complete drop of vido playback.  In the frontend log I see:

2012-01-27 22:16:33.328 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:16:33.371 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:16:33.371 AFD Error: Unknown audio decoding error
2012-01-27 22:16:36.527 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:16:36.555 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:16:36.555 AFD Error: Unknown audio decoding error
2012-01-27 22:16:42.465 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:16:42.494 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:16:42.494 AFD Error: Unknown audio decoding error
2012-01-27 22:16:44.067 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:16:44.096 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:16:44.097 AFD Error: Unknown audio decoding error
2012-01-27 22:17:30.232 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:17:30.232 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:17:30.233 AFD Error: Unknown audio decoding error
2012-01-27 22:17:30.395 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:17:30.401 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:17:30.402 AFD Error: Unknown audio decoding error
2012-01-27 22:17:52.842 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:17:52.871 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:17:52.872 AFD Error: Unknown audio decoding error
2012-01-27 22:18:21.666 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:18:21.705 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:18:21.705 AFD Error: Unknown audio decoding error
2012-01-27 22:18:33.646 [ac3 @ 0x9d8ae0]incomplete frame
2012-01-27 22:18:34.002 Marking recording as watched using offset 8 minutes
2012-01-27 22:18:34.003 TV: Attempting to change from WatchingPreRecorded
to None
2012-01-27 22:18:34.030 VDPAU Painter: Clearing VDPAU painter cache.
2012-01-27 22:18:34.061 MythPainter: 3 images not yet de-allocated.
2012-01-27 22:18:34.165 TV: Changing from WatchingPreRecorded to None
Application asked to unregister timer 0x15000002 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x15000002 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x15000002 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x15000002 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x15000002 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
Application asked to unregister timer 0x61000005 which is not registered in
this thread. Fix application.
mitchell at mythfe:/var/log/mythtv$
mitchell at mythfe:/var/log/mythtv$
mitchell at mythfe:/var/log/mythtv$ tail -n 400 mythfrontend.log
2012-01-27 22:10:30.344 AFD Error: Unknown audio decoding error
2012-01-27 22:10:30.349 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:10:30.378 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:10:30.378 AFD Error: Unknown audio decoding error
2012-01-27 22:10:30.433 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:10:30.460 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:10:30.461 AFD Error: Unknown audio decoding error
2012-01-27 22:10:32.518 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:32.528 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:32.537 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:34.158 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:34.167 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:35.559 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:35.568 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:35.578 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:35.583 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:36.656 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:36.666 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:36.675 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:36.779 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:36.785 Player(0): Waited 100ms for video buffers
AAAAAALAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:36.961 Player(0): Waited 100ms for video buffers
AAAALAaAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:36.976 Player(0): Waited 100ms for video buffers
AAAALAaAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:37.811 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:37.816 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:37.825 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:37.835 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:37.937 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:37.946 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:37.960 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:40.663 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:40.673 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:40.682 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:40.687 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:42.138 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:42.148 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:42.157 Player(0): Waited 100ms for video buffers
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2012-01-27 22:10:54.930 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:10:54.962 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:10:54.962 AFD Error: Unknown audio decoding error
2012-01-27 22:10:55.180 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:10:55.210 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:10:55.211 AFD Error: Unknown audio decoding error
2012-01-27 22:10:56.046 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:10:56.076 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:10:56.076 AFD Error: Unknown audio decoding error
2012-01-27 22:10:56.254 [ac3 @ 0x9d8ae0]frame CRC mismatch
2012-01-27 22:10:56.267 [ac3 @ 0x9d8ae0]frame sync error
2012-01-27 22:10:56.268 AFD Error: Unknown audio decoding error

My source is a Prime Cable card.  I get nearly a 100% signal
strength/quality acording the the HDHR meters.  Im kinda at a loss on how
to fix this.  Is it caused by VDPAU?

Thanks,
Mitchell
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