On Fri, 2005-10-07 at 15:50, Keith R wrote: > I'm trying to get mythtv up on my new install and am running into > issues with the tv-out of my PVR-350 displaying all graphical > boot and X images with ghosting or what looks like the same image > multiple times on the screen. > > During the initial install I got X as well as the video for mythtv > up and working fine. When I rebooted the server this problem > began. > > I loaded the saa7127 module with the test image after all this and > it came up alright. In addition, I completely powered off both > the TV and the computer with that hope that perhaps some memory > "buffer thing" was corrupt and need to be cleared. > > I then rebooted the machine after commenting out all the ivtv > modules. I loaded the ivtv modules manually (in the same order as > would have been done during my initial boot that worked > successfully) and still have the same issue with the ghost images.
In the slave backend I built recently I saw some severe ghosting, of magnitude that would make it unwatchable. I found that in this particular system for some reason the settings for dnr_temporal would default to 8. Setting this value to 0 resolved the ghosting problem for me. /usr/bin/ivtvctl -d /dev/video0 -c dnr_temporal=0 You can look at all of those settings using: /usr/bin/ivtvctl -a I ended up putting this in rc.local so it gets reset during boot up. What is funny is that my master backend with a PVR-350 never had this problem. That system defaults to 0 in all those options.
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