On Wednesday 21 September 2005 17:29, Hans Verkuil wrote:
> > Hans Verkuil wrote:
> >>OK, next set of questions: do you also get the picture messages in
> >> version
> >>0.3.7f? In 0.3.7g do you get the same too dark picture if you just run
> >>cat /dev/video0 >/test.mpg? (trying to eliminate MythTV from the
> >> equation).
> >>
> >>Thanks,
> >>
> >> Hans
> >
> > Hi! Here some results. Hope it helps....
> > disabled automatic start of backend & X (i normally use the TVOUT of the
> > 350). Only ivtv gets loaded without any module options.
> >
> >
> > installed 0.3.7f --> reboot --> dmesg has no errors
> > dd if=/dev/video0 of=test0.3.7f_nomyth.mpg bs=1024k count=48 --> good
> > video, no errors in dmesg
> > /etc/init.d/mythbackend start
> > dd if=/dev/video0 of=test0.3.7f_nomyth.mpg bs=1024k count=48 --> good
> > video, errors complaining about setting invalid values for contrast etc.
> > in dmesg.
> > So this seems to be a mythtv-issue... hmm... I use the 0.18.1 ebuild
> > coming through gentoos portage
>
> Sorry, I should have been clearer: you have to test with the -y option of
> ivtvctl to see if you also get these messages. I don't think that these
> controls (hue, etc) are set by the ivtv driver when it is loaded, so it is
> to be expected that you don't see any messages until MythTV is started.
> What I need to know is if they also appear when the control is set using
> ivtvctl.
>
> > But what looks weird to me:
> > 0.3.8 has a completely messed-up picture. No chance to change anything
> > in mythtv....
> > To me this seems to be a totally different problem... But I will
> > continue testing...
>
> Well, the first problem should be easier to solve and the second problem
> may well be caused by way off hue settings, etc. So for now I go for the
> easier problem first and with a bit of luck the second is also solved.
Jan,
I did some more research: I checked the diff between 0.3.7k and 0.3.8 and
there is nothing that could cause the sort of corruption you see. So I still
think that it is related to the hue, contrast, etc. problems that you see.
Please try the following with ivtv-0.3.8:
Reboot your computer. Make sure that MythTV isn't started automatically if you
had it configured that way. Once it's booted run ivtvctl -Y. Please report
the results. Can you also provide the dmesg output (between the START/END
IVTV lines)? Now start MythTV, tune to a channel and exit MythTV again. Run
ivtvctl -Y a second time and report the result. Finally check if the mpeg
output is still wrong.
Thanks,
Hans
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