internal WebcamProperty GetProcAmpProperties(VideoProcAmpProperty property)
{
HResult result = HResult.ERROR_NOT_READY;
WebcamProperty settings = new WebcamProperty
{
_name = property.ToString(),
_procAmpProp = property,
_isProcAmp = true
};
if (_base._webcamMode)
{
IAMVideoProcAmp control = _base.mf_MediaSource as IAMVideoProcAmp;
result = control.GetRange(property, out settings._min, out settings._max, out settings._step, out settings._default, out VideoProcAmpFlags flags);
if (result == Player.NO_ERROR)
{
settings._supported = (flags & VideoProcAmpFlags.Manual) != 0;
settings._autoSupport = (flags & VideoProcAmpFlags.Auto) != 0;
control.Get(property, out settings._value, out flags);
settings._auto = (flags & VideoProcAmpFlags.Auto) != 0;
}
}
_base._lastError = result;
return(settings);
}
/// <summary>
/// Updates the values in the specified (previously obtained) property data of the playing webcam.
/// </summary>
/// <param name="property">Specifies the webcam property data to update, previously obtained with for example myPlayer.Webcam.Brightness.</param>
public void UpdatePropertyData(WebcamProperty property)
{
if (_base._webcamMode)
{
if (property != null)
{
WebcamProperty currentProperty;
if (property._isProcAmp)
{
currentProperty = GetProcAmpProperties(property._procAmpProp);
}
else
{
currentProperty = GetControlProperties(property._controlProp);
}
property._value = currentProperty._value;
property._auto = currentProperty._auto;
_base._lastError = Player.NO_ERROR;
}
else
{
_base._lastError = HResult.E_INVALIDARG;
}
}
else
{
_base._lastError = HResult.MF_E_NOT_AVAILABLE;
}
}
internal void SetProcAmpProperties(VideoProcAmpProperty property, WebcamProperty value)
{
HResult result = HResult.ERROR_NOT_READY;
if (_base._webcamMode)
{
if (value == null || !value._isProcAmp || value._procAmpProp != property)
{
result = HResult.E_INVALIDARG;
}
else
{
WebcamProperty props = GetProcAmpProperties(property);
if (!props._supported)
{
result = HResult.MF_E_NOT_AVAILABLE;
}
else if (value._auto && props._auto)
{
result = Player.NO_ERROR;
}
else if (!value._auto && (value._value < props._min || value._value > props._max))
{
result = HResult.MF_E_OUT_OF_RANGE;
}
if (result == HResult.ERROR_NOT_READY)
{
try
{
result = ((IAMVideoProcAmp)_base.mf_MediaSource).Set(property, value._value, value._auto ? VideoProcAmpFlags.Auto : VideoProcAmpFlags.Manual);
}
catch (Exception e) { result = (HResult)Marshal.GetHRForException(e); }
}
}
}
_base._lastError = result;
}
/// <summary>
/// Sets the specified property of the playing webcam to the default value or (if available) to automatic control, for example myPlayer.Webcam.ResetProperty(myPlayer.Webcam.Brightness).
/// </summary>
/// <param name="property">Specifies the webcam property, obtained with for example myPlayer.Webcam.Brightness.</param>
public void ResetProperty(WebcamProperty property)
{
SetProperty(property, property._default, property._autoSupport);
}
/// <summary>
/// Sets the specified property of the playing webcam to the specified value or to automatic control, for example myPlayer.Webcam.SetProperty(myPlayer.Webcam.Brightness, 100, false).
/// </summary>
/// <param name="property">Specifies the webcam property, obtained with for example myPlayer.Webcam.Brightness.</param>
/// <param name="value">The value to be set.</param>
/// <param name="auto">If set to true, the value parameter is ignored and the automatic control of the property is enabled (if available).</param>
public void SetProperty(WebcamProperty property, int value, bool auto)
{
if (_base._webcamMode)
{
if (property != null)
{
WebcamProperty currentProp;
if (property._isProcAmp)
{
currentProp = GetProcAmpProperties(property._procAmpProp);
}
else
{
currentProp = GetControlProperties(property._controlProp);
}
if (currentProp.Supported)
{
if (auto || (value >= currentProp._min && value <= currentProp._max))
{
bool setProperty = true;
if (auto)
{
if (currentProp._auto)
{
setProperty = false;
}
}
else if (value == currentProp._value && !currentProp.AutoEnabled)
{
setProperty = false;
}
if (setProperty)
{
try
{
if (property._isProcAmp)
{
_base._lastError = ((IAMVideoProcAmp)_base.mf_MediaSource).Set(property._procAmpProp, value, auto ? VideoProcAmpFlags.Auto : VideoProcAmpFlags.Manual);
}
else
{
_base._lastError = ((IAMCameraControl)_base.mf_MediaSource).Set(property._controlProp, value, auto ? CameraControlFlags.Auto : CameraControlFlags.Manual);
}
if (_base._lastError == Player.NO_ERROR)
{
if (auto)
{
property._auto = true;
}
else
{
property._value = value;
}
}
}
catch (Exception e) { _base._lastError = (HResult)Marshal.GetHRForException(e); }
}
else
{
_base._lastError = Player.NO_ERROR;
}
}
else
{
_base._lastError = HResult.MF_E_OUT_OF_RANGE;
}
}
else
{
_base._lastError = HResult.MF_E_NOT_AVAILABLE;
}
}
else
{
_base._lastError = HResult.E_INVALIDARG;
}
}
else
{
_base._lastError = HResult.MF_E_NOT_AVAILABLE;
}
}
