[mythtv-users] Stuttering audio

Mon Aug 29 21:00:06 UTC 2011

On Mon, Aug 29, 2011 at 1:38 PM, John Reid <johnbaronreid at netscape.net>wrote:

> **
> I'm having some problems with occasional stuttering audio but have no idea
> how to fix it. The relevant bit of the mythwelcome log is below. As far as I
> can tell the files play just fine in other media players, I only have a
> problem when playing them in the mythfrontend. I've tried playing around
> with the audio settings in the frontend with no success. In any case, some
> of the error messages seem to be about video rather than audio. The audio
> seems to stutter more at the beginning and end of recordings but not only at
> these times. Any help would really be appreciated,
> John.
>
> 2011-08-29 20:57:45.034 TV: Attempting to change from None to
> WatchingPreRecorded
> 2011-08-29 20:57:45.321 AFD: Opened codec 0x556ad00, id(MPEG2VIDEO)
> type(Video)
> 2011-08-29 20:57:45.322 AFD: codec MP2 has 2 channels
> 2011-08-29 20:57:45.322 AFD: Opened codec 0x523ce50, id(MP2) type(Audio)
> 2011-08-29 20:57:45.322 AFD: codec MP3 has 0 channels
> 2011-08-29 20:57:45.322 AFD: Opened codec 0x523d4d0, id(MP3) type(Audio)
> 2011-08-29 20:57:45.322 AFD: Opened codec 0x523db50, id(DVB_SUBTITLE)
> type(Subtitle)
> 2011-08-29 20:57:45.326 AO: Resampling from 48 kHz to 44 kHz with quality
> medium
> 2011-08-29 20:57:45.326 AO: Opening audio device 'PulseAudio:default' ch
> 2(2) sr 44100 sf 32 bit floating point reenc 0
> 2011-08-29 20:57:45.331 AudioPlayer: Enabling Audio
> 2011-08-29 20:57:45.482 VideoOutputXv: XVideo Adaptor Name: 'Intel(R)
> Textured Video'
> 2011-08-29 20:57:45.505 OSD: Base theme size: 1280x720
> 2011-08-29 20:57:45.505 OSD: Scaling factors: 0.425x0.8
> 2011-08-29 20:57:45.521 OSD: Base theme size: 1280x720
> 2011-08-29 20:57:45.522 OSD: Scaling factors: 0.425x0.8
> 2011-08-29 20:57:45.523 [mpeg2video @ 0x7f94c0463580]warning: first frame
> is no keyframe
> greedyhdeint: size changed from 0 x 0 -> 544 x 576
> 2011-08-29 20:57:45.562 Player(1): Video timing method: DRM
> 2011-08-29 20:57:45.581 TV: Changing from None to WatchingPreRecorded
> 2011-08-29 20:57:45.597 ScreenSaverX11Private: DPMS Deactivated 1
> 2011-08-29 20:57:45.609 VideoOutput: Created YV12 OSD.
> 2011-08-29 20:57:47.993 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:57:48.753 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:57:49.322 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:57:50.273 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:57:50.842 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:57:51.413 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:57:51.727 Marking recording as unwatched
> 2011-08-29 20:57:51.809 TV: Attempting to change from WatchingPreRecorded
> to None
> 2011-08-29 20:57:51.836 TV: Changing from WatchingPreRecorded to None
> 2011-08-29 20:57:51.836 ScreenSaverX11Private: DPMS Reactivated 1
> 2011-08-29 20:57:54.337 TV: Attempting to change from None to
> WatchingPreRecorded
> 2011-08-29 20:57:54.586 AFD: Opened codec 0x5493650, id(MPEG2VIDEO)
> type(Video)
> 2011-08-29 20:57:54.586 AFD: codec MP2 has 2 channels
> 2011-08-29 20:57:54.586 AFD: Opened codec 0x5493cd0, id(MP2) type(Audio)
> 2011-08-29 20:57:54.586 AFD: codec MP3 has 0 channels
> 2011-08-29 20:57:54.586 AFD: Opened codec 0x52136a0, id(MP3) type(Audio)
> 2011-08-29 20:57:54.586 AFD: Opened codec 0x5213ee0, id(DVB_SUBTITLE)
> type(Subtitle)
> 2011-08-29 20:57:54.714 Pulse: PulseAudio resume OK
> 2011-08-29 20:57:54.719 AO: Resampling from 48 kHz to 44 kHz with quality
> medium
> 2011-08-29 20:57:54.719 AO: Opening audio device 'PulseAudio:default' ch
> 2(2) sr 44100 sf 32 bit floating point reenc 0
> 2011-08-29 20:57:54.722 AudioPlayer: Enabling Audio
> 2011-08-29 20:57:54.791 VideoOutputXv: XVideo Adaptor Name: 'Intel(R)
> Textured Video'
> 2011-08-29 20:57:54.805 OSD: Base theme size: 1280x720
> 2011-08-29 20:57:54.805 OSD: Scaling factors: 0.425x0.8
> 2011-08-29 20:57:54.819 OSD: Base theme size: 1280x720
> 2011-08-29 20:57:54.819 OSD: Scaling factors: 0.425x0.8
> greedyhdeint: size changed from 0 x 0 -> 544 x 576
> 2011-08-29 20:57:54.862 Player(1): Video timing method: DRM
> 2011-08-29 20:57:54.881 TV: Changing from None to WatchingPreRecorded
> 2011-08-29 20:57:54.897 ScreenSaverX11Private: DPMS Deactivated 1
> 2011-08-29 20:57:54.914 VideoOutput: Created YV12 OSD.
> 2011-08-29 20:57:57.166 Player(1): Waited 100ms for video
> buffers
> 2011-08-29 20:57:59.826 Player(1): Waited 100ms for video buffers
> AAAAAAAAAAAAAAAAAAAAUUUUUUUUULL
> 2011-08-29 20:58:02.366 Player(1): Waited 100ms for video buffers
> AAAAAAAAAAAAAAAAAuUULUAAuAAAAAA
> 2011-08-29 20:58:03.826 Player(1): Waited 100ms for video buffers
> UAAUAAAuAUAALAAAAAAAAAAAAAAAAAA
> 2011-08-29 20:58:07.723 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:58:08.222 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:58:08.982 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:58:09.742 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:58:10.312 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:58:10.883 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:58:11.644 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:58:12.404 PulseAudio Error: stream buffer under flow
> 2011-08-29 20:58:12.974 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:07:17.167 [mpeg2video @ 0x7f94c0463580]invalid cbp at 33 0
> 2011-08-29 21:07:17.658 [mpeg2video @ 0x7f94c0463580]Warning MVs not
> available
> 2011-08-29 21:08:41.651 [mpeg2video @ 0x7f94c0463580]Warning MVs not
> available
> 2011-08-29 21:09:01.850 [mpeg2video @ 0x7f94c0463580]Warning MVs not
> available
> 2011-08-29 21:09:41.890 [mpeg2video @ 0x7f94c0463580]skipped MB in I frame
> at 33 20
> 2011-08-29 21:09:41.891 [mpeg2video @ 0x7f94c0463580]ac-tex damaged at 29
> 27
> 2011-08-29 21:09:41.891 [mpeg2video @ 0x7f94c0463580]ac-tex damaged at 7 30
> 2011-08-29 21:09:41.935 [mp2 @ 0x7f94c0463580]Header missing
> 2011-08-29 21:09:41.935 AFD Error: Unknown audio decoding error
> 2011-08-29 21:09:41.937 [mpeg2video @ 0x7f94c0463580]00 motion_type at 20
> 15
> 2011-08-29 21:09:41.937 [mpeg2video @ 0x7f94c0463580]00 motion_type at 5 19
> 2011-08-29 21:09:41.968 [mpeg2video @ 0x7f94c0463580]00 motion_type at 9 3
> 2011-08-29 21:09:41.969 [mpeg2video @ 0x7f94c0463580]00 motion_type at 32
> 18
> 2011-08-29 21:09:42.169 [mpeg2video @ 0x7f94c0463580]ac-tex damaged at 17
> 28
> 2011-08-29 21:09:43.100 [mpeg2video @ 0x7f94c0463580]invalid cbp at 33 2
> 2011-08-29 21:11:13.608 Starting update of NDFD-18_Hour
> 2011-08-29 21:11:15.368 'nice /usr/share/mythtv/mythweather/scripts/us_nws/
> ndfd18.pl -u ENG -d /home/john/.mythtv/MythWeather/NDFD-18_Hour
> +37.05,-084.04' has exited
> 2011-08-29 21:13:54.244 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:13:59.321 [dvbsub @ 0x7f94c0463580]Junk in packet
> 2011-08-29 21:13:59.322 [dvbsub @ 0x7f94c0463580]Invalid object location!
> 2011-08-29 21:15:29.369 [dvbsub @ 0x7f94c0463580]Junk in packet
> 2011-08-29 21:15:29.370 [dvbsub @ 0x7f94c0463580]Invalid object location!
> 2011-08-29 21:16:43.090 [mpeg2video @ 0x7f94c0463580]invalid cbp at 33 2
> 2011-08-29 21:16:43.093 [mpeg2video @ 0x7f94c0463580]Warning MVs not
> available
> 2011-08-29 21:18:02.530 [mpeg2video @ 0x7f94c0463580]invalid cbp at 33 2
> 2011-08-29 21:18:02.531 [mpeg2video @ 0x7f94c0463580]Warning MVs not
> available
> 2011-08-29 21:18:51.891 [dvbsub @ 0x7f94c0463580]Junk in packet
> 2011-08-29 21:18:51.891 [dvbsub @ 0x7f94c0463580]Invalid object location!
> 2011-08-29 21:20:30.852 [mpeg2video @ 0x7f94c0463580]ac-tex damaged at 12
> 11
> 2011-08-29 21:20:33.172 [mpeg2video @ 0x7f94c0463580]00 motion_type at 11
> 24
> 2011-08-29 21:20:33.172 [mpeg2video @ 0x7f94c0463580]Warning MVs not
> available
> 2011-08-29 21:20:33.494 [mpeg2video @ 0x7f94c0463580]ac-tex damaged at 19
> 35
> 2011-08-29 21:20:33.664 [mpeg2video @ 0x7f94c0463580]invalid cbp at 1 27
> 2011-08-29 21:25:54.159 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:25:54.919 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:25:55.489 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:25:56.249 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:25:57.009 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:25:57.580 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:25:58.150 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:25:58.837 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:25:59.218 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:25:59.788 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:00.358 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:00.928 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:01.499 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:02.259 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:02.829 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:03.209 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:03.969 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:04.730 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:05.490 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:06.060 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:06.821 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:07.390 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:07.961 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:08.648 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:09.409 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:09.788 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:10.358 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:10.739 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:11.309 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:11.879 PulseAudio Error: stream buffer under flow
> 2011-08-29 21:26:12.232 Marking recording as watched using offset 5 minutes
> 2011-08-29 21:26:12.297 TV: Attempting to change from WatchingPreRecorded
> to None
> 2011-08-29 21:26:12.588 Pulse: PulseAudio resume OK
> 2011-08-29 21:26:12.588 TV: Changing from WatchingPreRecorded to None
> 2011-08-29 21:26:12.589 ScreenSaverX11Private: DPMS Reactivated 1
> 2011-08-29 21:26:13.627 Starting update of NDFD-18_Hour
> 2011-08-29 21:26:15.337 'nice /usr/share/mythtv/mythweather/scripts/us_nws/
> ndfd18.pl -u ENG -d /home/john/.mythtv/MythWeather/NDFD-18_Hour
> +37.05,-084.04' has exited
>
>
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>
>

-- 
Working on World Domination since 2001

are you streaming the videos to your frontend or do the videos reside on the
same system?
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