[mythtv] Picture adjustments on ATI hardware (color, brightness, contrast, hue)

[Kristian Kalweit]

Kristian Kalweit schrieb:
> I saw there was a "fix" for someone whos colors wasn't correct. I think 
> this fix wasn't complete at all. I have to set my hue to 50 % for 
> recordings and to 0% for livetv. So I think the "fix" is on a wronge 
> code location.
>
> I use rev 10051 and an epia with via openchrome server from xorg 7.0 + 
> xvmc + chroma osd.
>   
By the way I using only one dvb-s card. Daniel requested xvinfo from 
other users, so here is mine also:

pvr mythtv # xvinfo
X-Video Extension version 2.2
screen #0
  Adaptor #0: "XV_SWOV"
    number of ports: 1
    port base: 68
    operations supported: PutImage
    supported visuals:
      depth 24, visualID 0x22
      depth 24, visualID 0x23
      depth 24, visualID 0x24
      depth 24, visualID 0x25
      depth 24, visualID 0x26
      depth 24, visualID 0x27
      depth 24, visualID 0x28
      depth 24, visualID 0x29
      depth 24, visualID 0x2a
      depth 24, visualID 0x2b
      depth 24, visualID 0x2c
      depth 24, visualID 0x2d
    number of attributes: 6
      "XV_COLORKEY" (range 0 to 16777215)
              client settable attribute
              client gettable attribute (current value is 2081)
      "XV_BRIGHTNESS" (range 0 to 10000)
              client settable attribute
              client gettable attribute (current value is 5000)
      "XV_CONTRAST" (range 0 to 20000)
              client settable attribute
              client gettable attribute (current value is 10000)
      "XV_SATURATION" (range 0 to 20000)
              client settable attribute
              client gettable attribute (current value is 10000)
      "XV_HUE" (range -180 to 180)
              client settable attribute
              client gettable attribute (current value is -176)
      "XV_AUTOPAINT_COLORKEY" (range 0 to 1)
              client settable attribute
              client gettable attribute (current value is 0)
    maximum XvImage size: 1920 x 1200
    Number of image formats: 5
      id: 0x32595559 (YUY2)
        guid: 59555932-0000-0010-8000-00aa00389b71
        bits per pixel: 16
        number of planes: 1
        type: YUV (packed)
      id: 0x32315659 (YV12)
        guid: 59563132-0000-0010-8000-00aa00389b71
        bits per pixel: 12
        number of planes: 3
        type: YUV (planar)
      id: 0x434d5658 (XVMC)
        guid: 56494100-0000-0010-8000-00aa00389b71
        bits per pixel: 12
        number of planes: 1
        type: YUV (planar)
      id: 0x35315652 (RV15)
        guid: 52563135-0000-0000-0000-000000000000
        bits per pixel: 16
        number of planes: 1
        type: RGB (packed)
        depth: 15
        red, green, blue masks: 0x7c00, 0x3e0, 0x1f
      id: 0x36315652 (RV16)
        guid: 52563136-0000-0000-0000-000000000000
        bits per pixel: 16
        number of planes: 1
        type: RGB (packed)
        depth: 16
        red, green, blue masks: 0xf800, 0x7e0, 0x1f