bool BaseV4L2VideoCapture::SetContrast(int32_t value) {
//return v4l2_s_ctrl(V4L2_CID_CONTRAST, value);
if(_pVideoCaptureFiltersCapability->VerifyContrast(value)){
if(v4l2_s_ctrl(V4L2_CID_CONTRAST, value)){
_pVideoCaptureFilters->contrast = GetContrast();
return true;
}
else
return false;
}
else
return false;
}
bool BaseV4L2VideoCapture::InitVideoCaptureFilters() {
if(_pVideoCaptureFilters == NULL)
_pVideoCaptureFilters = new VideoCaptureFilters();
_pVideoCaptureFilters->brightness = GetBrightness();
_pVideoCaptureFilters->contrast = GetContrast();
_pVideoCaptureFilters->hue = GetHUE();
_pVideoCaptureFilters->saturation = GetSaturation();
_pVideoCaptureFilters->sharpness = GetSharpness();
_pVideoCaptureFilters->gamma = GetGamma();
_pVideoCaptureFilters->backlightCompensation = GetBacklightCompensation();
// Below is for debug sake
//FATAL("brightness : %d\n contrast : %d\n hue : %d\n saturation : %d\n sharpness : %d\n gamma : %d\n backlightCompensation :%d", _pVideoCaptureFilters->brightness , _pVideoCaptureFilters->contrast, _pVideoCaptureFilters->hue, _pVideoCaptureFilters->saturation , _pVideoCaptureFilters->sharpness, _pVideoCaptureFilters->gamma, _pVideoCaptureFilters->backlightCompensation);
return true;
}
void ivanconfig::CalculateContrastLuminance()
{
int Element = Min<long>((GetContrast() << 7) / 100, 255);
ContrastLuminance = MakeRGB24(Element, Element, Element);
}
