[mythtv-users] Video time delay

Tom Lichti tom at redpepperracing.com
Mon Oct 23 19:55:29 UTC 2006


Huggins, Jonathan H. wrote:
> When I run mythtv, I get a 2 or 3 second time delay on the video (the 
> card is currently connected to a camera). Here is the output from 
> mythfrontend
> 
> 2006-10-23 15:50:47.790 Using runtime prefix = /usr
> 2006-10-23 15:50:47.793 DPMS is active.
> 2006-10-23 15:50:47.807 New DB connection, total: 1
> 2006-10-23 15:50:47.811 Connected to database 'mythconverg' at host: 
> localhost
> 2006-10-23 15:50:47.812 Total desktop dim: 1280x1024, with 1 screen[s].
> 2006-10-23 15:50:47.813 Using screen 0, 1280x1024 at 0,0
> 2006-10-23 15:50:47.816 Current Schema Version: 1160
> 2006-10-23 15:50:47.816 mythfrontend version: 0.20.20060828-3 www.mythtv.org
> 2006-10-23 15:50:47.816 Enabled verbose msgs:  important general
> 2006-10-23 15:50:48.026 Total desktop dim: 1280x1024, with 1 screen[s].
> 2006-10-23 15:50:48.027 Using screen 0, 1280x1024 at 0,0
> 2006-10-23 15:50:48.027 Switching to square mode (sleek)
> Xlib:  extension "GLX" missing on display ":0.0".
> Xlib:  extension "GLX" missing on display ":0.0".
> Xlib:  extension "GLX" missing on display ":0.0".
> 2006-10-23 15:50:48.029 Using the Qt painter
> Xlib:  extension "GLX" missing on display ":0.0".
> mythtv: could not connect to socket
> mythtv: No such file or directory
> lirc_init failed for mythtv, see preceding messages
> 2006-10-23 15:50:48.263 Joystick disabled.
> 2006-10-23 15:50:48.277 Loading from: 
> /usr/share/mythtv/themes/default/base.xml
> 2006-10-23 15:50:48.566 Registering Internal as a media playback plugin.
> 2006-10-23 15:50:48.585 Registering MythDVD DVD Media Handler as a media 
> handler ext()
> 2006-10-23 15:50:48.585 Registering MythDVD VCD Media Handler as a media 
> handler ext()
> 2006-10-23 15:50:48.598 Registering MythGallery Media Handler 1/2 as a 
> media handler ext()
> 2006-10-23 15:50:48.599 Registering MythGallery Media Handler 2/2 as a 
> media handler ext(gif,jpg,png)
> adding: 0,0,0 -- DVD SHD-16P1S
> adding: 0,1,0 -- DVD-RW  DVR-111D
> adding: ATA:0,0,0 -- DVD SHD-16P1S
> adding: ATA:0,1,0 -- DVD-RW  DVR-111D
> adding: ATAPI:0,0,0 -- DVD SHD-16P1S
> adding: ATAPI:0,1,0 -- DVD-RW  DVR-111D
> 2006-10-23 15:50:48.928 Registering MythMusic Media Handler 1/2 as a 
> media handler ext()
> 2006-10-23 15:50:48.929 Registering MythMusic Media Handler 2/2 as a 
> media handler ext(ogg,mp3,aac,flac)
> 2006-10-23 15:50:48.953 New DB connection, total: 2
> 2006-10-23 15:50:48.953 Connected to database 'mythconverg' at host: 
> localhost
> Failed to find network interface eth0
> SIP listening on IP Address :5060 NAT address
> SIP: Cannot register; proxy, username or password not set
> Destroying SipFsm object
> 2006-10-23 15:50:52.114 Connecting to backend server: 129.83.55.78:6543 
> (try 1 of 5)
> 2006-10-23 15:50:52.114 Using protocol version 31
> 2006-10-23 15:50:52.279 TV: Attempting to change from None to WatchingLiveTV
> 2006-10-23 15:50:52.279 Using protocol version 31
> 2006-10-23 15:50:53.059 DPMS Deactivated
> 2006-10-23 15:50:53.127 Opening OSS audio device '/dev/dsp'.
> 2006-10-23 15:50:53.286 VideoOutputXv: XvMCTex: Init failed
> 2006-10-23 15:50:53.286 VideoOutputXv Error: Could not find suitable 
> XVideo surface.
> 2006-10-23 15:50:53.286 VideoOutputXv: Falling back to X shared memory 
> video output.
>                               *** May be slow ***
> 2006-10-23 15:50:53.818 Using realtime priority.
> 2006-10-23 15:50:53.819 TV: Changing from None to WatchingLiveTV
> 2006-10-23 15:50:53.819 Video timing method: RTC
> 2006-10-23 15:50:58.027 VideoOutputXv Error:
> ***
> * Your system is not capable of displaying the
> * full framerate at 1280x1024 resolution.  Frames
> * will be skipped in order to keep the audio and
> * video in sync.
> 
> 2006-10-23 15:50:59.131 NVP: prebuffering pause
> 
> 
> The end of the output seems to be the important part, but I don't know 
> how to fix it.

Well, first I would try running at 800x600. And by delay, you mean when 
something happens in front of the camera, it takes 2-3 seconds to show
on the screen? That is how PVR's work.

Tom



More information about the mythtv-users mailing list