[mythtv-users] HD-PVR recordings oversaturated
jerrymr at gmail.com
Sat Aug 27 04:28:56 UTC 2011
On Fri, Aug 26, 2011 at 11:28 PM, Jerry Rubinow <jerrymr at gmail.com> wrote:
> I just upgrade the firmware on my HD-PVR from a version 0x12 May 7, 2009 to
> the latest from the Hauppauge web site, 0x17 July 27, 2011. Now all
> recordings from the HD-PVR are way oversaturated. Catting /dev/video0 and
> playing the file with vlc yields the same result. According to v4l2-ctl -l,
> the settings are all at defaults. Any ideas what the problem could be?
> Kern.log says "untested firmware, the driver might not work". That's a
> little scary. Any way to obtain and install a previous firmware version?
I tried adjusting the brightness and contrast in the channel change script,
/usr/bin/v4l2-ctl --device=/dev/video0 --set-ctrl=brightness=100
But it seems to have no effect. I can use the same command during a
recording from the command line and see it effect the brightness. It
appears that when the recording starts, these HD-PVR settings get reset to
I'm running 0.24.1-fixes, btw.
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