[mythtv] color/hue/etc not adjusting?
Bruce Markey
bjm at lvcm.com
Wed Nov 26 13:20:10 EST 2003
Matt Zimmerman wrote:
> On Sun, Nov 23, 2003 at 03:22:09PM -0800, Chris Petersen wrote:
>
>
>>using cvs from a day or two ago.. when I hit the f-keys to adjust
>>color/hue/etc it displays -1% and doesn't seem to do anything. When I
>>check the database values, they do seem to be going up/down (or down,
>>anyway - sometimes to zero with very few keystrokes).
>>
>>Any ideas? Did these keys change again when I wasn't looking?
>
>
> I have noticed that sometimes the card can get into a weird state where one
> of these parameters has an invalid value. This causes all further changes
> to fail (since they are set as a group) until something resets everything to
> sane values. Running xawtv fixes it, and v4lctl at least can show you what
> is going on; I don't remember whether it was powerful enough to fix the
> problem also.
"list" will show the values and "setattr" can change them but
since I've never seen this I don't know if this would actually
fix the problem.
: bjm at nordtv ; v4lctl -c /dev/video1 setattr 'color' 32768
: bjm at nordtv ; v4lctl -c /dev/video1 list
attribute | type | current | default | comment
-----------+--------+---------+---------+-------------------------------------
norm | choice | NTSC | PAL | PAL NTSC SECAM PAL-Nc PAL-M PAL-N NTSC-JP PAL-60
input | choice | Televis | Televis | Television Composite1 S-Video Composite3
audio mode | choice | mono | mono | mono stereo lang1 lang2
bright | int | 37155 | 32768 | range is 0 => 65535
contrast | int | 24500 | 32768 | range is 0 => 65535
color | int | 32768 | 32768 | range is 0 => 65535
hue | int | 32768 | 32768 | range is 0 => 65535
mute | bool | off | off |
chroma agc | bool | on | off |
combfilter | bool | off | off |
automute | bool | on | off |
luma decim | bool | off | off |
agc crush | bool | on | off |
-- bjm
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