[mythtv-users] hdpvr latest firmware color saturation issue question

Steven Adeff adeffs.mythtv at gmail.com
Sun Jul 22 04:41:06 UTC 2012

On Sun, Jul 22, 2012 at 12:35 AM, Mitch Capper <mitch.capper at gmail.com> wrote:
> On Sat, Jul 21, 2012 at 9:11 PM, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
>> On Sat, Jul 21, 2012 at 11:39 PM, John P Poet <jppoet at gmail.com> wrote:
>>> On Sat, Jul 21, 2012 at 9:15 PM, Steven Adeff <adeffs.mythtv at gmail.com>
>>> wrote:
>>>> so I've updated my system and am using the latest hdpvr firmware. I
>>>> have the color saturation issue, but placing
>>>> v4l2-ctl --verbose -d /dev/video1 --set-ctrl brightness=0x80
>>>> --set-ctrl contrast=0x40 --set-ctrl hue=0xf --set-ctrl saturation=0x40
>>>> --set-ctrl sharpness=0x80
>>>> at the end of the channel change script does not fix the problem, I
>>>> have to run it again, manually, from an ssh session.
>>>> is this the way it is supposed to be or did I miss something in how I set
>>>> it up?
>>> It is on my To Do list to add "picture control" support for the HD-PVR in
>>> Myth.  I just haven't had time to do any development in a while.  Part of
>>> the problem, is that my HD-PVRs are often busy when I do think about playing
>>> with it.  I may be able to work on it tomorrow -- if not, it will have to be
>>> after the Olympics.
>>> John
>> gotcha!
>> yea, it would be good if Myth could run the fix so the user doesn't
>> have to. apparently there's a fix for the linux driver but some hiccup
>> in the patch approval system is causing it to not go through.
>> I updated further info on my issue in the other thread on the hdpvr patches...
> Two reasons it may not work from the script are if the path does not
> include v4l2-ctl (try using the abs path to it) or if its because you
> are changing the channel right before using it maybe its busy.  Try
> using it before changing the channel.

v4l2-ctl is running, it's just the timing. I tried before the channel
change command but that didn't do anything.

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