[mythtv-users] Live TV green.
james at orrwhat.net
Thu Jun 3 13:17:26 EDT 2004
On Thu, 2004-06-03 at 11:59, Eric Hattemer wrote:
> Kevin Kuphal wrote:
> > Are you using V4L2? I think I may have experienced the same thing. I
> > recently tried to upgrade my bttv drivers from the stock V4L versions
> > to the latest V4L2 versions and when I did I would get a severely
> > messed up screen until I changed the channel or adjusted the contrast
> > slightly.
> > Kevin
> Check the console and dmesg for closed captions or vbi messages. TVTime
> makes clear a bug in the bttv kernel modules where if it fails to read
> the closed captions or XDS it goes black/red. In TVTime you turn xds
> and closed captions off. In mythTV I didn't look around too hard, but I
> couldn't find a way to turn those off, so I made a fifo ( mkfifo /fifo )
> and pointed the vbi device in the menu to that.
The option to turn on/off closed captions is in mythsetup under the
general options. While having closed captions enabled isn't *absolutly*
necessary for me, it is preferred because I have a friend who is hearing
Having closed captions enabled does indeed cause the screen to go
black/red when changing channels in live TV ... sometimes. Oddly, it
seems to do it a lot less often when I uncheck the option for select to
change channels on the EPG. I have not seen it go black/red on a
The above behaviour is much improved on 0.14. In 0.14 it would work OK
the first time you went to Live TV, but the second time it was red/black
and remained so for any subsequent live TV or recordings. I had to
restart the backend to fix it.
I don't know if this is the same problem as the green tinting. The
red/black is very obvious (there are no other colors on screen), whereas
the green tint is only very slight.
James Orr <james at orrwhat.net>
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