[mythtv-users] Playback problems after upgrading from SVN 13635 to 13769

Matt skd5aner at gmail.com
Wed Jun 27 13:04:48 UTC 2007


I just upgraded to latest SVN yesterday on both my frontend and
backend.  I did experience some issues with sound after the upgrade,
so I also upgraded Alsa from 14RC3 to 14 final.  Other than that,
nothing else changed.

However, watching recordings is now almost unbearable.  Every few
seconds the video and audio stutters.  Here is my frontend log with no
extra verbosity turned on.


2007-06-26 21:24:14.738 TV: Changing from None to WatchingPreRecorded
2007-06-26 21:24:14.828 Video timing method: USleep with busy wait
2007-06-26 21:24:16.014 WriteAudio: buffer underrun
2007-06-26 21:24:16.035 WriteAudio: buffer underrun
2007-06-26 21:24:16.082 NVP: prebuffering pause
2007-06-26 21:24:16.376 WriteAudio: buffer underrun
2007-06-26 21:24:16.397 WriteAudio: buffer underrun
2007-06-26 21:24:16.426 NVP: prebuffering pause
2007-06-26 21:24:16.418 WriteAudio: buffer underrun
2007-06-26 21:24:16.748 WriteAudio: buffer underrun
2007-06-26 21:24:16.769 WriteAudio: buffer underrun
2007-06-26 21:24:16.806 NVP: prebuffering pause
2007-06-26 21:24:17.151 WriteAudio: buffer underrun
2007-06-26 21:24:17.171 WriteAudio: buffer underrun
2007-06-26 21:24:17.209 NVP: prebuffering pause
2007-06-26 21:24:21.198 AO: Using time stretch 1.05
2007-06-26 21:24:21.739 AO: Changing time stretch to 1.1
2007-06-26 21:24:22.148 AO: Changing time stretch to 1.15
2007-06-26 21:24:22.592 AO: Changing time stretch to 1.2
2007-06-26 21:24:23.123 AO: Changing time stretch to 1.25
2007-06-26 21:24:23.751 AO: Changing time stretch to 1.3
2007-06-26 21:24:24.113 AO: Changing time stretch to 1.35
2007-06-26 21:24:24.967 AO: Changing time stretch to 1.4
2007-06-26 21:24:25.671 NVP: prebuffering pause
2007-06-26 21:24:27.302 NVP: prebuffering pause
2007-06-26 21:24:28.601 NVP: prebuffering pause
2007-06-26 21:24:31.304 NVP: prebuffering pause
2007-06-26 21:24:33.023 NVP: prebuffering pause
2007-06-26 21:24:51.670 NVP: prebuffering pause
2007-06-26 21:24:53.298 NVP: prebuffering pause
2007-06-26 21:24:53.317 WriteAudio: buffer underrun
2007-06-26 21:24:53.589 WriteAudio: buffer underrun
2007-06-26 21:24:53.646 NVP: prebuffering pause
2007-06-26 21:24:54.031 WriteAudio: buffer underrun
2007-06-26 21:24:54.051 WriteAudio: buffer underrun
2007-06-26 21:24:54.094 NVP: prebuffering pause
2007-06-26 21:25:01.213 TV: Attempting to change from
WatchingPreRecorded to None

Prior to the upgrade, I didn't have any prebuffering pauses or buffer
underruns (at least not since way back in the .17 days).  Any ideas?

Thanks!
Matt


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