[mythtv-users] Video playback really jerky - Mythbuntu 0.24

Nick Rout nick.rout at gmail.com
Fri Feb 11 01:22:29 UTC 2011


On Fri, Feb 11, 2011 at 1:10 PM, Lindsay Mathieson
<lindsay.mathieson at gmail.com> wrote:
> My video playback audio has suddenly gone to crap again after the latest
> updates.
>
> Background - have changed to a Nvideo GF GT 220 using audio via the HDMI
> connection - stereo only. VDPAU is High Quality profile, though I have tried
> slim.
>
> Was working fine but after todays updates its incredibly jerky, mythfrontend
> log shows the following
>
> 2011-02-11 09:58:33.887 TV: Changing from WatchingVideo to None
> 2011-02-11 09:59:00.250 TV: Attempting to change from None to WatchingVideo
> 2011-02-11 09:59:01.215 AFD: codec PCM_S16LE has 2 channels
> 2011-02-11 09:59:01.216 AFD: Opened codec 0xa8c26690, id(PCM_S16LE)
> type(Audio)
> 2011-02-11 09:59:01.222 AFD Warning: ScanATSCCaptionStreams() called with no
> PMT
> 2011-02-11 09:59:01.222 AFD: Opened codec 0xa68c7310, id(H264) type(Video)
> 2011-02-11 09:59:01.376 AO: Opening audio device
> 'plughw:CARD=NVidia_1,DEV=7' ch 2(2) sr 44100 sf signed 16 bit reenc 0
> 2011-02-11 09:59:01.503 AudioPlayer: Enabling Audio
> 2011-02-11 09:59:01.518 Clearing OpenGL painter cache.
> 2011-02-11 09:59:01.632 VDPAU: Created 2 output surfaces.
> 2011-02-11 09:59:01.633 VDPAU: Created VDPAU render device 1280x720
> 2011-02-11 09:59:01.788 Player(8): Forcing decode extra audio option on
> (Video method requires it).
> 2011-02-11 09:59:01.788 FilterManager: Failed to load filter 'colorspace',
> no such filter exists
> 2011-02-11 09:59:01.824 Player(8): Video sync method can't support double
> framerate (refresh rate too low for 2x deint)
> 2011-02-11 09:59:01.827 Player(8): Video timing method: USleep with busy
> wait
> 2011-02-11 09:59:01.827 TV: Changing from None to WatchingVideo
> 2011-02-11 09:59:01.888 VDPAU: Added 2 output surfaces (total 4, max 4)
> 2011-02-11 09:59:02.156 Player(8): Waited 100ms for video buffers
> AAAAAAAAAAAAAAaaL
> 2011-02-11 09:59:02.165 Player(8): Waited 100ms for video buffers
> AAAAAAAAAAAAAAaaL
> 2011-02-11 09:59:02.174 Player(8): Waited 100ms for video buffers
> AAAAAAAAAAAAAAaaL
> 2011-02-11 09:59:02.182 Player(8): Waited 100ms for video buffers
> AAAAAAAAAAAAAAaaL
> 2011-02-11 09:59:02.286 Player(8): Waited 100ms for video buffers
> LAAAAAAAAAAAAAaAu
> 2011-02-11 09:59:02.569 Player(8): Waited 100ms for video buffers
> AAAAaALaAAAAAAAAA
>
> I'm using mythbuntu autobuilds and the nvidia-256 drivers from JYA's repo.
>
> Recorded TV play's back fine, its just videos that are an issue - possibly
> because most of mine are 720p?
>
> However even low quality videos are playing back weird - when I jump forward
> they start playing at double speed and really jerky. Its very strange

What mythtv version are you on?


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