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

Alan Young ayoung at teleport.com
Sun Jul 22 06:35:25 UTC 2012

>From: Steven Adeff 
>Sent: Jul 21, 2012 8:15 PM
>To: MythTV Users 
>Subject: [mythtv-users] hdpvr latest firmware color saturation issue question
>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?

Could there be a permissions issue?  Is the user you use after you ssh in with the same that runs the backend?  If not, maybe one has a group the other does not?  And if you are using root after SSHing in, maybe try running v4l2-ctl via sudo in the channel change script.


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