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fast forward problem
http://forum.linhes.org/viewtopic.php?f=17&t=17314		 Page 1 of 1
Author:  mythstef [ Fri Nov 23, 2007 1:13 pm ]
Post subject:  fast forward problem
On some recordings, I can use Fast forward (3x, 5x...), on others I cannot, when I try it, at 3x, it goes back at the begining of the recordings. Same problem with bookmarks : it works on some, and others not (same recordings that doesn't work with fast forward).

I use CVS version of mythtv.

frontend playack debug of a working Fast Forward :
2007-11-22 22:40:39.959 AFD: DoFastForward(4353 (3484), do discard frames)
2007-11-22 22:40:39.960 Dec: DoFastForward(4353 (3484), do discard frames)
2007-11-22 22:40:39.984 AFD: SeekReset(4380, 0, do flush, do discard)
2007-11-22 22:40:39.985 AFD: SeekReset() flushing
2007-11-22 22:40:39.985 VideoBuffers::DiscardFrames(1): UUUUAUUUUUUUUUUUUUUUUUUUAUUUUUU
2007-11-22 22:40:39.985 VideoBuffers::DiscardFrames():
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -- done()
2007-11-22 22:40:39.986 VideoBuffers::DiscardFrames(1):
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -- done
2007-11-22 22:40:39.986 NVP: ClearAfterSeek(0)
2007-11-22 22:40:40.003 NVP: Waiting for prebuffer.. 0 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2007-11-22 22:40:40.136 NVP: Waiting for prebuffer.. 1 AAAAuAAAAAAAAAAAAAAAAAAALAAAAAA
2007-11-22 22:40:40.270 NVP: Waiting for prebuffer.. 2 UAAAUAAuUALUAALAAAAAAAAAUAAUAAA
'video_output' mean = '37113.73', std. dev. = '38008.25', fps = '26.94'
2007-11-22 22:40:42.078 NVP: Video is 3.31253 frames behind audio (too slow),
dropping frame to catch up.


frontend of a non working Fast Forward :
2007-11-22 22:36:52.591 AFD: DoFastForward(2779 (1910), do discard frames)
2007-11-22 22:36:54.369 AFD: SeekReset(2860446, 0, do flush, do discard)
2007-11-22 22:36:54.369 AFD: SeekReset() flushing
2007-11-22 22:36:54.369 VideoBuffers::DiscardFrames(1): UUUUUUUUUUUUUUUUUUUUUAUUUUUUAUU
2007-11-22 22:36:54.371 VideoBuffers::DiscardFrames():
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -- done()
2007-11-22 22:36:54.371 VideoBuffers::DiscardFrames(1):
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -- done
2007-11-22 22:36:54.372 NVP: ClearAfterSeek(0)
2007-11-22 22:36:54.374 NVP: Waiting for prebuffer.. 0 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2007-11-22 22:36:54.508 NVP: Waiting for prebuffer.. 1 UAAAAAAAAAAAAAAAAAAAAUAULAAAuAA
2007-11-22 22:36:54.580 NVP: interlaced frame seen after 74 progressive frames
2007-11-22 22:36:54.581 Enabled deinterlacing
2007-11-22 22:36:54.953 AFD: HandleGopStart: gopset not set, syncing positionMap
2007-11-22 22:36:54.968 Resyncing position map. posmapStarted = 0 livetv(0)
watchingRec(0)
2007-11-22 22:36:54.969 AFD: HandleGopStart: Initial key frame distance: 30.
'video_output' mean = '53425.22', std. dev. = '204023.29', fps = '18.72'
2007-11-22 22:36:55.553 NVP: progressive frame seen after 32 interlaced frames
2007-11-22 22:36:55.586 NVP: interlaced frame seen after 1 progressive frames
2007-11-22 22:36:55.721 NVP: progressive frame seen after 6 interlaced frames
2007-11-22 22:36:55.755 NVP: interlaced frame seen after 1 progressive frames
2007-11-22 22:36:56.055 NVP: progressive frame seen after 11 interlaced frames
2007-11-22 22:36:56.148 Disabled deinterlacing
2007-11-22 22:36:56.288 NVP: interlaced frame seen after 7 progressive frames
2007-11-22 22:36:56.289 Enabled deinterlacing
2007-11-22 22:36:56.366 NVP: progressive frame seen after 4 interlaced frames
2007-11-22 22:36:56.421 Disabled deinterlacing
2007-11-22 22:36:56.974 NVP: Video is 3.01301 frames ahead of audio,
doubling video frame interval to slow down.
2007-11-22 22:36:57.041 NVP: Video is 3.18884 frames ahead of audio,
doubling video frame interval to slow down.
2007-11-22 22:36:57.843 NVP: Video is 3.10822 frames ahead of audio,
doubling video frame interval to slow down.
2007-11-22 22:36:57.970 NVP: Video is 3.28271 frames ahead of audio,
doubling video frame interval to slow down.
2007-11-22 22:36:58.573 NVP: Video is 3.09516 frames ahead of audio,
doubling video frame interval to slow down.
2007-11-22 22:36:58.656 NVP: Video is 3.07061 frames ahead of audio,
doubling video frame interval to slow down.
2007-11-22 22:36:58.822 NVP: interlaced frame seen after 64 progressive frames
2007-11-22 22:36:58.824 Enabled deinterlacing
'video_output' mean = '37168.42', std. dev. = '23692.38', fps = '26.90'
2007-11-22 22:36:58.971 NVP: progressive frame seen after 5 interlaced frames
2007-11-22 22:36:59.037 Disabled deinterlacing
2007-11-22 22:36:59.172 NVP: interlaced frame seen after 5 progressive frames
2007-11-22 22:36:59.173 Enabled deinterlacing


thanks for help
Author:  mythstef [ Fri Nov 23, 2007 6:49 pm ]
Post subject: 
One more thing I would like to specify : the problem is only with recordings that contains closed captions (CC) ...
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