public CameraPropertySettings GetVideoPropertySettings(VideoProcAmpProperty property)
{
int filterHandle;
IBaseFilter captureFilter = null;
filterHandle = filterGraph.FindFilterByName("Video input", out captureFilter);
if (captureFilter != null)
{
int min = 0;
int max = 0;
int stepDelta = 1;
int defaultValue = 0;
VideoProcAmpFlags videoFlags;
IAMCameraControl iC = captureFilter as IAMCameraControl;
((IAMVideoProcAmp)iC).GetRange(property, out min, out max, out stepDelta, out defaultValue, out videoFlags);
CameraPropertySettings videoPropertySettings = new CameraPropertySettings();
videoPropertySettings.Minimum = min;
videoPropertySettings.Maximum = max;
videoPropertySettings.Step = stepDelta;
videoPropertySettings.DefaultValue = defaultValue;
return(videoPropertySettings);
}
else
{
return(null);
}
}
private void GetZoomRange()
{
CameraPropertySettings zoomSettings = camera.CaptureDevice.GetCameraControlPropertySettings(CameraControlProperty.Zoom);
zoomTrackBar.Minimum = zoomSettings.Minimum;
zoomTrackBar.Maximum = zoomSettings.Maximum;
zoomTrackBar.SmallChange = zoomSettings.Step;
zoomTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * zoomSettings.Step;
int currentValue = camera.CaptureDevice.GetCameraControlProperty(CameraControlProperty.Zoom);
if (currentValue < zoomTrackBar.Minimum)
{
currentValue = zoomTrackBar.Minimum;
}
zoomTrackBar.Value = currentValue;
zoomTextBox.Text = currentValue.ToString();
if (zoomSettings.Minimum == zoomSettings.Maximum)
{
zoomTrackBar.Enabled = false;
zoomTextBox.Enabled = false;
}
else
{
zoomTrackBar.ValueChanged += new EventHandler(ZoomValueChanged);
}
}
private void GetContrastRange()
{
CameraPropertySettings contrastSettings = camera.CaptureDevice.GetVideoPropertySettings(VideoProcAmpProperty.Contrast);
contrastTrackBar.Minimum = contrastSettings.Minimum;
contrastTrackBar.Maximum = contrastSettings.Maximum;
contrastTrackBar.SmallChange = contrastSettings.Step;
contrastTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * contrastSettings.Step;
int currentValue = camera.CaptureDevice.GetVideoProperty(VideoProcAmpProperty.Contrast);
contrastTrackBar.Value = currentValue;
contrastTextBox.Text = currentValue.ToString();
contrastTrackBar.ValueChanged += new EventHandler(ContrastValueChanged);
}
private void GetBrightnessRange()
{
CameraPropertySettings brightnessSettings = camera.CaptureDevice.GetVideoPropertySettings(VideoProcAmpProperty.Brightness);
brightnessTrackBar.Minimum = brightnessSettings.Minimum;
brightnessTrackBar.Maximum = brightnessSettings.Maximum;
brightnessTrackBar.SmallChange = brightnessSettings.Step;
brightnessTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * brightnessSettings.Step;
int currentValue = camera.CaptureDevice.GetVideoProperty(VideoProcAmpProperty.Brightness);
brightnessTrackBar.Value = currentValue;
brightnessTextBox.Text = currentValue.ToString();
brightnessTrackBar.ValueChanged += new EventHandler(BrightnessValueChanged);
}
private void GetBacklightCompensationRange()
{
CameraPropertySettings backlightCompensationSettings = camera.CaptureDevice.GetVideoPropertySettings(VideoProcAmpProperty.BacklightCompensation);
backlightCompensationComboBox.SelectedIndex = backlightCompensationSettings.DefaultValue;
if (backlightCompensationSettings.Minimum == backlightCompensationSettings.Maximum)
{
backlightCompensationComboBox.Enabled = false;
}
else
{
backlightCompensationComboBox.SelectedIndexChanged += new EventHandler(BacklightCompensationChanged);
}
}
private void GetHueRange()
{
CameraPropertySettings hueSettings = camera.CaptureDevice.GetVideoPropertySettings(VideoProcAmpProperty.Hue);
hueTrackBar.Minimum = hueSettings.Minimum;
hueTrackBar.Maximum = hueSettings.Maximum;
hueTrackBar.SmallChange = hueSettings.Step;
hueTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * hueSettings.Step;
int currentValue = camera.CaptureDevice.GetVideoProperty(VideoProcAmpProperty.Hue);
hueTrackBar.Value = currentValue;
hueTextBox.Text = currentValue.ToString();
hueTrackBar.ValueChanged += new EventHandler(HueValueChanged);
}
private void GetSaturationRange()
{
CameraPropertySettings saturationSettings = camera.CaptureDevice.GetVideoPropertySettings(VideoProcAmpProperty.Saturation);
saturationTrackBar.Minimum = saturationSettings.Minimum;
saturationTrackBar.Maximum = saturationSettings.Maximum;
saturationTrackBar.SmallChange = saturationSettings.Step;
saturationTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * saturationSettings.Step;
int currentValue = camera.CaptureDevice.GetVideoProperty(VideoProcAmpProperty.Saturation);
saturationTrackBar.Value = currentValue;
saturationTextBox.Text = currentValue.ToString();
saturationTrackBar.ValueChanged += new EventHandler(SaturationValueChanged);
}
private void GetIrisRange()
{
CameraPropertySettings irisSettings = camera.CaptureDevice.GetCameraControlPropertySettings(CameraControlProperty.Iris);
irisTrackBar.Minimum = irisSettings.Minimum;
irisTrackBar.Maximum = irisSettings.Maximum;
irisTrackBar.SmallChange = irisSettings.Step;
irisTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * irisSettings.Step;
int currentValue = camera.CaptureDevice.GetCameraControlProperty(CameraControlProperty.Iris);
irisTrackBar.Value = currentValue;
irisTextBox.Text = currentValue.ToString();
if (irisSettings.Minimum == irisSettings.Maximum)
{
irisTrackBar.Enabled = false;
irisTextBox.Enabled = false;
}
else
{
irisTrackBar.ValueChanged += new EventHandler(IrisValueChanged);
}
}
private void GetFocusRange()
{
CameraPropertySettings focusSettings = camera.CaptureDevice.GetCameraControlPropertySettings(CameraControlProperty.Focus);
focusTrackBar.Minimum = focusSettings.Minimum;
focusTrackBar.Maximum = focusSettings.Maximum;
focusTrackBar.SmallChange = focusSettings.Step;
focusTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * focusSettings.Step;
int currentValue = camera.CaptureDevice.GetCameraControlProperty(CameraControlProperty.Focus);
focusTrackBar.Value = currentValue;
focusTextBox.Text = currentValue.ToString();
if (focusSettings.Minimum == focusSettings.Maximum)
{
focusTrackBar.Enabled = false;
focusTextBox.Enabled = false;
}
else
{
focusTrackBar.ValueChanged += new EventHandler(FocusValueChanged);
}
}
private void GetExposureRange()
{
CameraPropertySettings exposureSettings = camera.CaptureDevice.GetCameraControlPropertySettings(CameraControlProperty.Exposure);
exposureTrackBar.Minimum = exposureSettings.Minimum;
exposureTrackBar.Maximum = exposureSettings.Maximum;
exposureTrackBar.SmallChange = exposureSettings.Step;
exposureTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * exposureSettings.Step;
int currentValue = camera.CaptureDevice.GetCameraControlProperty(CameraControlProperty.Exposure);
exposureTrackBar.Value = currentValue;
exposureTextBox.Text = currentValue.ToString();
if (exposureSettings.Minimum == exposureSettings.Maximum)
{
exposureTrackBar.Enabled = false;
exposureTextBox.Enabled = false;
}
else
{
exposureTrackBar.ValueChanged += new EventHandler(ExposureValueChanged);
}
}
private void GetWhiteBalance()
{
CameraPropertySettings whiteBalanceSettings = camera.CaptureDevice.GetVideoPropertySettings(VideoProcAmpProperty.WhiteBalance);
whiteBalanceTrackBar.Minimum = whiteBalanceSettings.Minimum;
whiteBalanceTrackBar.Maximum = whiteBalanceSettings.Maximum;
whiteBalanceTrackBar.SmallChange = whiteBalanceSettings.Step;
whiteBalanceTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * whiteBalanceSettings.Step;
int currentValue = camera.CaptureDevice.GetVideoProperty(VideoProcAmpProperty.WhiteBalance);
whiteBalanceTrackBar.Value = currentValue;
whiteBalanceTextBox.Text = currentValue.ToString();
if (whiteBalanceSettings.Minimum == whiteBalanceSettings.Maximum)
{
whiteBalanceTrackBar.Enabled = false;
whiteBalanceTextBox.Enabled = false;
}
else
{
whiteBalanceTrackBar.ValueChanged += new EventHandler(WhiteBalanceChanged);
}
}
private void GetGammaRange()
{
CameraPropertySettings gammaSettings = camera.CaptureDevice.GetVideoPropertySettings(VideoProcAmpProperty.Gamma);
gammaTrackBar.Minimum = gammaSettings.Minimum;
gammaTrackBar.Maximum = gammaSettings.Maximum;
gammaTrackBar.SmallChange = gammaSettings.Step;
gammaTrackBar.LargeChange = RELATIVE_LARGE_TRACKBAR_STEP * gammaSettings.Step;
int currentValue = camera.CaptureDevice.GetVideoProperty(VideoProcAmpProperty.Gamma);
gammaTrackBar.Value = currentValue;
gammaTextBox.Text = currentValue.ToString();
if (gammaSettings.Minimum == gammaSettings.Maximum)
{
gammaTrackBar.Enabled = false;
gammaTextBox.Enabled = false;
}
else
{
gammaTrackBar.ValueChanged += new EventHandler(GammaValueChanged);
}
}
