[mythtv-users] stutterning video

Fri Feb 9 12:50:44 UTC 2007

Brett Stevens wrote:
> Hi guys, Ive been banging around with myth for a week solid (Annual leave)
> and whilst the installation seems to be flawless there are significant
> issues with video that I cant seem to beat.
>
> Mainly I get extremely bad chopping or stuttering video either recorded or
> live. If I reboot both the backend and the frontend This goes away until i
> change channel and then Im back to choppy video. This does not seem to be
> rectified with a myth restart, it seems to be a full reboot.
>
>
>
> The Backend system is:
> os:   Opensuse 10.2
> Myth: 0.20 rpms from pacman
> CPU:  amd x2 3800+
> Men:  4g ram
> Disk: 640GB sata media on md/lvm (system is on separate ide drive)
>
>
> Frontend system simmilar except 3800 AMD is not x2
> and only 3g ram
>
> DViCO FusionHDTV DVB-T Plus
>
> Ive looked at the following
>
> 1. interrupts are fine
> 2. transfer rates to disk is fine. Ive tried different disks
> 3. system usage (according to top) is bugger all when viewing live tv at
> around 91-95 % idle
> 4. Signal strength 75 - 80%
> 5. did another run and got different responses. reasonable picture on two
> out of three channels then finally changed to last channel and choppy
> video started,
> Ive included output from frontend logs as well as backend
>
> mythfrontend
> 2007-02-09 16:55:24.396 Using runtime prefix = /usr
> 2007-02-09 16:55:24.457 DPMS is disabled.
> 2007-02-09 16:55:24.485 New DB connection, total: 1
> 2007-02-09 16:55:24.490 Connected to database 'mythconverg' at host:
> db.i3sec.com.au
> 2007-02-09 16:55:24.492 Total desktop dim: 2560x768, with 2 screen[s].
> 2007-02-09 16:55:24.496 Using screen 0, 1280x768 at 0,0
> 2007-02-09 16:55:24.527 Current Schema Version: 1160
> 2007-02-09 16:55:24.528 mythfrontend version: 0.20.20060828-3 www.mythtv.org
> 2007-02-09 16:55:24.528 Enabled verbose msgs:  important general
> 2007-02-09 16:55:24.827 Total desktop dim: 2560x768, with 2 screen[s].
> 2007-02-09 16:55:24.831 Using screen 0, 1280x768 at 0,0
> 2007-02-09 16:55:24.832 Switching to square mode (MythCenter)
> 2007-02-09 16:55:24.850 Using the Qt painter
> mythtv: could not connect to socket
> mythtv: Connection refused
> lirc_init failed for mythtv, see preceding messages
> 2007-02-09 16:55:25.426 Joystick disabled.
> 2007-02-09 16:55:25.505 Loading from:
> /usr/share/mythtv/themes/default/base.xml
> 2007-02-09 16:55:25.960 Registering Internal as a media playback plugin.
> 2007-02-09 16:55:26.001 Registering MythDVD DVD Media Handler as a media
> handler ext()
> 2007-02-09 16:55:26.002 Registering MythDVD VCD Media Handler as a media
> handler ext()
> 2007-02-09 16:55:26.036 Registering MythGallery Media Handler 1/2 as a
> media handler ext()
> 2007-02-09 16:55:26.037 Registering MythGallery Media Handler 2/2 as a
> media handler ext(gif,jpg,png)
> adding: 0,0,0 -- DVD-RW  DVR-109
> adding: ATA:0,0,0 -- DVD-RW  DVR-109
> adding: ATAPI:0,0,0 -- DVD-RW  DVR-109
> 2007-02-09 16:55:26.263 Registering MythMusic Media Handler 1/2 as a media
> handler ext()
> 2007-02-09 16:55:26.263 Registering MythMusic Media Handler 2/2 as a media
> handler ext(ogg,mp3,aac,flac)
> SIP listening on IP Address 172.16.1.9:5060 NAT address 172.16.1.9
> SIP: Cannot register; proxy, username or password not set
> 2007-02-09 16:55:41.743 Connecting to backend server: 192.168.1.10:6543
> (try 1 of 5)
> 2007-02-09 16:55:41.745 Using protocol version 31
> 2007-02-09 16:55:41.871 Received a remote 'Clear Cache' request
> 2007-02-09 16:55:52.023 Received a remote 'Clear Cache' request
> 2007-02-09 16:55:57.948 Received a remote 'Clear Cache' request
> 2007-02-09 16:56:15.297 Received a remote 'Clear Cache' request
> 2007-02-09 16:56:16.835 Received a remote 'Clear Cache' request
> 2007-02-09 16:56:20.272 New DB connection, total: 2
> 2007-02-09 16:56:20.274 Connected to database 'mythconverg' at host:
> db.i3sec.com.au
> 2007-02-09 16:56:20.312 TV: Attempting to change from None to WatchingLiveTV
> 2007-02-09 16:56:20.313 Using protocol version 31
> 2007-02-09 16:56:20.564 NVP: Disabling Audio, params(-1,2,44100)
> 2007-02-09 16:56:20.585 VideoOutputXv: XvMCTex: Init failed
> 2007-02-09 16:56:20.586 VideoOutputXv: XVideo Adaptor Name: 'ATI Radeon
> Video Overlay'
> 2007-02-09 16:56:21.102 New DB connection, total: 3
> 2007-02-09 16:56:21.104 TV: Changing from None to WatchingLiveTV
> 2007-02-09 16:56:21.106 Video timing method: USleep with busy wait
> 2007-02-09 16:56:21.107 Connected to database 'mythconverg' at host:
> db.i3sec.com.au
> 2007-02-09 16:56:21.109 Realtime priority would require SUID as root.
> [mpegts @ 0x2ac4cdbe3f20]Parser not found for Codec Id: 94211 !
> 2007-02-09 16:56:22.073 VideoOutputXv Error: XvMC output requested, but is
> not supported by display.
> Xlib:  extension "XVideo-MotionCompensation" missing on display ":0.0".
> Xlib:  extension "XVideo-MotionCompensation" missing on display ":0.0".
> XvMCWrapper: Could not open config file "/usr/etc/X11/XvMCConfig".
> XvMCWrapper: No such file or directory
> 2007-02-09 16:56:22.085 VideoOutputXv: XvMCTex: Init failed
> 2007-02-09 16:56:22.086 VideoOutputXv: XVideo Adaptor Name: 'ATI Radeon
> Video Overlay'
> 2007-02-09 16:56:22.445 AFD: Opened codec 0x3120e40, id(MPEG2VIDEO)
> type(Video)
> 2007-02-09 16:56:22.447 AFD: Opened codec 0x3154480, id(AC3) type(Audio)
> 2007-02-09 16:56:22.700 Opening OSS audio device '/dev/dsp'.
> 2007-02-09 16:56:22.724 NVP: Enabling Audio
> 2007-02-09 16:56:23.295 NVP: prebuffering pause
> 2007-02-09 16:56:55.823 NVP: prebuffering pause
> [mpegts @ 0x2ac4cdbe3f20]Parser not found for Codec Id: 94211 !
> 2007-02-09 16:57:00.577 VideoOutputXv Error: XvMC output requested, but is
> not supported by display.
> Xlib:  extension "XVideo-MotionCompensation" missing on display ":0.0".
> 2007-02-09 16:57:01.107 AFD: Opened codec 0x31b6dc0, id(MPEG2VIDEO)
> type(Video)
> 2007-02-09 16:57:01.108 AFD: Opened codec 0x353c9a0, id(AC3) type(Audio)
> 2007-02-09 16:57:01.605 NVP: Prebuffer wait timed out 10 times.
> 2007-02-09 16:57:23.539 NVP: prebuffering pause
> [mpegts @ 0x2ac4cdbe3f20]Parser not found for Codec Id: 94211 !
> 2007-02-09 16:57:25.109 VideoOutputXv Error: XvMC output requested, but is
> not supported by display.
> Xlib:  extension "XVideo-MotionCompensation" missing on display ":0.0".
> 2007-02-09 16:57:25.418 AFD: Opened codec 0x31b6dc0, id(MPEG2VIDEO)
> type(Video)
> 2007-02-09 16:57:25.462 AFD: Opened codec 0x353c9a0, id(MP3) type(Audio)
> 2007-02-09 16:57:25.463 AFD: Opened codec 0x34d7740, id(AC3) type(Audio)
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 22 14
> [mpeg2video @ 0x2ac4ce2ceab0]Warning MVs not available
> [mpeg2video @ 0x2ac4ce2ceab0]slice mismatch
> [mpeg2video @ 0x2ac4ce2ceab0]mb incr damaged
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 37 33
> [mpeg2video @ 0x2ac4ce2ceab0]Warning MVs not available
> [mpeg2video @ 0x2ac4ce2ceab0]invalid cbp at 32 22
> [mpeg2video @ 0x2ac4ce2ceab0]Warning MVs not available
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 4 9
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 1 26
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 28 35
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 39 2
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 17 19
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 16 13
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 30 25
> [mpeg2video @ 0x2ac4ce2ceab0]invalid mb type in P Frame at 6 6
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 32 30
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 14 5
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 22 7
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 20 18
> [mpeg2video @ 0x2ac4ce2ceab0]invalid mb type in B Frame at 26 32
> [mpeg2video @ 0x2ac4ce2ceab0]invalid cbp at 16 3
> [mpeg2video @ 0x2ac4ce2ceab0]slice mismatch
> [mpeg2video @ 0x2ac4ce2ceab0]slice mismatch
> [mpeg2video @ 0x2ac4ce2ceab0]mb incr damaged
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 1 6
> [mpeg2video @ 0x2ac4ce2ceab0]invalid mb type in B Frame at 15 8
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 3 8
> [mpeg2video @ 0x2ac4ce2ceab0]invalid mb type in B Frame at 5 9
> [mpeg2video @ 0x2ac4ce2ceab0]mb incr damaged
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 1 11
> [mpeg2video @ 0x2ac4ce2ceab0]invalid mb type in B Frame at 17 12
> [mpeg2video @ 0x2ac4ce2ceab0]slice mismatch
> [mpeg2video @ 0x2ac4ce2ceab0]invalid cbp at 12 14
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 4 15
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 24 16
> [mpeg2video @ 0x2ac4ce2ceab0]mb incr damaged
> [mpeg2video @ 0x2ac4ce2ceab0]invalid cbp at 4 18
> [mpeg2video @ 0x2ac4ce2ceab0]invalid mb type in B Frame at 1 19
> [mpeg2video @ 0x2ac4ce2ceab0]slice mismatch
> [mpeg2video @ 0x2ac4ce2ceab0]invalid cbp at 20 21
> [mpeg2video @ 0x2ac4ce2ceab0]mb incr damaged
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 10 23
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 1 24
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 18 26
> [mpeg2video @ 0x2ac4ce2ceab0]ac-tex damaged at 23 26
> [mpeg2video @ 0x2ac4ce2ceab0]mb incr damaged
> [mpeg2video @ 0x2ac4ce2ceab0]invalid cbp at 3 29
> [mpeg2video @ 0x2ac4ce2ceab0]invalid cbp at 4 29
> [mpeg2video @ 0x2ac4ce2ceab0]invalid mb type in B Frame at 15 30
> [mpeg2video @ 0x2ac4ce2ceab0]slice mismatch
>
> with more of the same
> another run gives me these frontend logs
> mythfrontend
> 2007-02-09 17:11:23.944 Using runtime prefix = /usr
> 2007-02-09 17:11:24.007 DPMS is disabled.
> 2007-02-09 17:11:24.033 New DB connection, total: 1
> 2007-02-09 17:11:24.041 Connected to database 'mythconverg' at host:
> db.i3sec.com.au
> 2007-02-09 17:11:24.043 Total desktop dim: 2560x768, with 2 screen[s].
> 2007-02-09 17:11:24.048 Using screen 0, 1280x768 at 0,0
> 2007-02-09 17:11:24.079 Current Schema Version: 1160
> 2007-02-09 17:11:24.080 mythfrontend version: 0.20.20060828-3 www.mythtv.org
> 2007-02-09 17:11:24.081 Enabled verbose msgs:  important general
> 2007-02-09 17:11:24.403 Total desktop dim: 2560x768, with 2 screen[s].
> 2007-02-09 17:11:24.406 Using screen 0, 1280x768 at 0,0
> 2007-02-09 17:11:24.407 Switching to square mode (MythCenter)
> 2007-02-09 17:11:24.425 Using the Qt painter
> mythtv: could not connect to socket
> mythtv: Connection refused
> lirc_init failed for mythtv, see preceding messages
> 2007-02-09 17:11:25.020 Joystick disabled.
> 2007-02-09 17:11:25.100 Loading from:
> /usr/share/mythtv/themes/default/base.xml
> 2007-02-09 17:11:25.672 Registering Internal as a media playback plugin.
> 2007-02-09 17:11:25.715 Registering MythDVD DVD Media Handler as a media
> handler ext()
> 2007-02-09 17:11:25.716 Registering MythDVD VCD Media Handler as a media
> handler ext()
> 2007-02-09 17:11:25.751 Registering MythGallery Media Handler 1/2 as a
> media handler ext()
> 2007-02-09 17:11:25.752 Registering MythGallery Media Handler 2/2 as a
> media handler ext(gif,jpg,png)
> adding: 0,0,0 -- DVD-RW  DVR-109
> adding: ATA:0,0,0 -- DVD-RW  DVR-109
> adding: ATAPI:0,0,0 -- DVD-RW  DVR-109
> 2007-02-09 17:11:25.981 Registering MythMusic Media Handler 1/2 as a media
> handler ext()
> 2007-02-09 17:11:25.982 Registering MythMusic Media Handler 2/2 as a media
> handler ext(ogg,mp3,aac,flac)
> SIP listening on IP Address 172.16.1.9:5060 NAT address 172.16.1.9
> SIP: Cannot register; proxy, username or password not set
> 2007-02-09 17:11:29.515 New DB connection, total: 2
> 2007-02-09 17:11:29.516 Connected to database 'mythconverg' at host:
> db.i3sec.com.au
> 2007-02-09 17:11:29.547 Connecting to backend server: 192.168.1.10:6543
> (try 1 of 5)
> 2007-02-09 17:11:29.549 Using protocol version 31
> 2007-02-09 17:11:29.722 TV: Attempting to change from None to WatchingLiveTV
> 2007-02-09 17:11:29.724 Using protocol version 31
> 2007-02-09 17:11:30.024 NVP: Disabling Audio, params(-1,2,44100)
> 2007-02-09 17:11:30.044 VideoOutputXv: XvMCTex: Init failed
> 2007-02-09 17:11:30.045 VideoOutputXv: XVideo Adaptor Name: 'ATI Radeon
> Video Overlay'
> 2007-02-09 17:11:30.562 TV: Changing from None to WatchingLiveTV
> 2007-02-09 17:11:30.563 New DB connection, total: 3
> 2007-02-09 17:11:30.566 New DB connection, total: 4
> 2007-02-09 17:11:30.571 Connected to database 'mythconverg' at host:
> db.i3sec.com.au
> 2007-02-09 17:11:30.574 Video timing method: USleep with busy wait
> 2007-02-09 17:11:30.576 Connected to database 'mythconverg' at host:
> db.i3sec.com.au
> 2007-02-09 17:11:30.578 Realtime priority would require SUID as root.
> [mpegts @ 0x2b445f7aef20]Parser not found for Codec Id: 94211 !
> [mpeg2video @ 0x2b445fe99ab0]ac-tex damaged at 17 9
> [mpeg2video @ 0x2b445fe99ab0]Warning MVs not available
> 2007-02-09 17:11:34.247 VideoOutputXv: XvMCTex: Init failed
> 2007-02-09 17:11:34.248 VideoOutputXv: XVideo Adaptor Name: 'ATI Radeon
> Video Overlay'
> 2007-02-09 17:11:34.586 AFD: Opened codec 0x4a05ce0, id(MPEG2VIDEO)
> type(Video)
> 2007-02-09 17:11:34.587 AFD: Opened codec 0x3391a00, id(AC3) type(Audio)
> 2007-02-09 17:11:34.637 Opening OSS audio device '/dev/dsp'.
> 2007-02-09 17:11:34.643 NVP: Enabling Audio
> 2007-02-09 17:11:36.239 NVP: prebuffering pause
> 2007-02-09 17:11:37.491 NVP: prebuffering pause
> 2007-02-09 17:11:37.992 NVP: prebuffering pause
> 2007-02-09 17:11:38.953 NVP: prebuffering pause
> 2007-02-09 17:11:39.611 NVP: prebuffering pause
> 2007-02-09 17:11:39.898 AFD Error: Unknown decoding error
> 2007-02-09 17:11:40.348 NVP: prebuffering pause
> 2007-02-09 17:11:41.814 NVP: prebuffering pause
> 2007-02-09 17:11:42.490 NVP: prebuffering pause
> 2007-02-09 17:11:43.339 NVP: prebuffering pause
> 2007-02-09 17:11:43.807 NVP: prebuffering pause
> 2007-02-09 17:11:44.138 NVP: prebuffering pause
>
> As stated earlier this seems to be happening in both livetv and reccord modes
>
> Ive started x on the backend to check and it also preforms badly. Im at a
> complete loss but I suspect it is not video related and it whilst it looks
> like it could be signal related when it does work the signal is the same.
>
> any help would be great, just let me know what other info you need
>
> thanks in advance
>
>
> Brett
>
>
>
>
>
>
>
>
>
>
>
> Download this as a file
>
>
>
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>
>
>
>   
See if this thread helps: 
http://www.gossamer-threads.com/lists/mythtv/users/248992

-- 
Josh