[mythtv-users] Sound a second behind video

[Mark Hutchinson]

Mark Hutchinson wrote:
> Mark Hutchinson wrote:
>   
>> Running latest 21 ATRPMS on F8.
>> Capture via firewire.
>> Nvidia 7300 on 1280x1024 monitor. ( latest livna nvidia drivers 169 )
>> Audigy B PCU sound card
>> I have tried all playback profiles ( and a few custom ones ) but am  
>> seeing all audio about a second(ish) behind video.
>> Aggressive audio enabled.
>>
>> Ideas?
>>
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>>   
>>     
> I should mention.  This is ONLY on the SD channels.  HD channels ( 200+ 
> here on HD settop box ) are perfect.
> Here is a frontend log when this behavior happens:
>
> [mythtv at hdtest ~]$ mythfrontend
> 2008-03-11 09:07:40.464 Using runtime prefix = /usr, libdir = /usr/lib64
> 2008-03-11 09:07:41.254 XScreenSaver support enabled
> 2008-03-11 09:07:41.254 DPMS is disabled.
> 2008-03-11 09:07:41.254 Unable to read configuration file mysql.txt
> 2008-03-11 09:07:41.254 Empty LocalHostName.
> 2008-03-11 09:07:41.254 Using localhost value of hdtest.localdomain.com
> 2008-03-11 09:07:41.263 New DB connection, total: 1
> 2008-03-11 09:07:41.267 Connected to database 'mythconverg' at host: localhost
> 2008-03-11 09:07:41.268 Closing DB connection named 'DBManager0'
> 2008-03-11 09:07:41.268 Total desktop dim: 1280x1024, with 1 screen[s].
> 2008-03-11 09:07:41.269 Connected to database 'mythconverg' at host: localhost
> 2008-03-11 09:07:41.269 Using screen 0, 1280x1024 at 0,0
> 2008-03-11 09:07:41.275 New DB connection, total: 2
> 2008-03-11 09:07:41.276 Connected to database 'mythconverg' at host: localhost
> 2008-03-11 09:07:41.277 mythfrontend version: 0.21.20080304-1 www.mythtv.org
> 2008-03-11 09:07:41.277 Enabled verbose msgs:  important general
> 2008-03-11 09:07:41.467 Total desktop dim: 1280x1024, with 1 screen[s].
> 2008-03-11 09:07:41.467 Using screen 0, 1280x1024 at 0,0
> 2008-03-11 09:07:41.469 Switching to square mode (G.A.N.T)
> 2008-03-11 09:07:41.484 Using the Qt painter
> mythtv: could not connect to socket
> mythtv: No such file or directory
> 2008-03-11 09:07:41.485 lirc_init failed for mythtv, see preceding messages
> 2008-03-11 09:07:41.485 JoystickMenuClient Error: Joystick disabled -
> Failed to read /home/mythtv/.mythtv/joystickmenurc
> 2008-03-11 09:07:42.264 Loading from: /usr/share/mythtv/themes/G.A.N.T/base.xml
> 2008-03-11 09:07:42.331 Loading from: /usr/share/mythtv/themes/default/base.xml
> 2008-03-11 09:07:42.364 Registering Internal as a media playback plugin.
> 2008-03-11 09:07:42.395 MonitorRegisterExtensions(0x100, gif,jpg,png)
> 2008-03-11 09:07:42.462 MythMusic adding CD-Writer: 4,0,0 -- DVD-ROM GDR8164B
> 2008-03-11 09:07:42.491 MonitorRegisterExtensions(0x40, ogg,mp3,aac,flac)
> SIP listening on IP Address 192.168.0.110:5060 NAT address 192.168.0.110
> SIP: Cannot register; proxy, username or password not set
> 2008-03-11 09:07:48.819 Connecting to backend server:
> 192.168.0.110:6543 (try 1 of 5)
> 2008-03-11 09:07:48.820 Using protocol version 40
> 2008-03-11 09:07:48.825 TV: Attempting to change from None to WatchingLiveTV
> 2008-03-11 09:07:48.826 Using protocol version 40
> 2008-03-11 09:07:51.385 New DB connection, total: 3
> 2008-03-11 09:07:51.385 Connected to database 'mythconverg' at host: localhost
> 2008-03-11 09:07:51.393 NVP: Disabling Audio, params(-1,2,44100)
> 2008-03-11 09:07:51.409 VideoOutputXv: XVideo Adaptor Name: 'NV17 Video Texture'
> 2008-03-11 09:07:51.434 OSD Theme Dimensions W: 640 H: 480
> 2008-03-11 09:07:51.976 TV: Changing from None to WatchingLiveTV
> 2008-03-11 09:07:51.978 New DB connection, total: 4
> 2008-03-11 09:07:51.978 Realtime priority would require SUID as root.
> 2008-03-11 09:07:51.978 Connected to database 'mythconverg' at host: localhost
> 2008-03-11 09:07:52.079 OpenGLVideoSync()
> 2008-03-11 09:07:52.111 Video timing method: SGI OpenGL
> 2008-03-11 09:07:54.400 VideoOutputXv: XVideo Adaptor Name: 'NV17 Video Texture'
> 2008-03-11 09:07:54.723 AFD: Opened codec 0x4040270, id(MPEG2VIDEO) type(Video)
> 2008-03-11 09:07:54.724 AFD: codec AC3 has 2 channels
> 2008-03-11 09:07:54.725 AFD: Opened codec 0x404c470, id(AC3) type(Audio)
> 2008-03-11 09:07:54.751 Opening audio device '/dev/dsp'. ch 2(2) sr 48000
> 2008-03-11 09:07:54.751 Opening OSS audio device '/dev/dsp'.
> 2008-03-11 09:07:54.755 NVP: Enabling Audio
>
>
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>   
BUMP?
No one has any ideas on what to try from this? 
This many smart people, must know something.  What could the difference 
be between SD and HD captured from the same deveice via firewire.
SD has sound delay.