[mythtv-users] Sound a second behind video

[Mark Hutchinson]

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