/// <summary>
/// Gets the Exposure Speed value currently being used by the camera.
/// </summary>
/// <param name="camera">The camera component.</param>
/// <returns>The Exposure Speed value.</returns>
public static int GetExposureSpeed(this MMALCameraComponent camera)
{
MMAL_PARAMETER_CAMERA_SETTINGS_T settings = new MMAL_PARAMETER_CAMERA_SETTINGS_T(
new MMAL_PARAMETER_HEADER_T(MMAL_PARAMETER_CAMERA_SETTINGS, Marshal.SizeOf <MMAL_PARAMETER_CAMERA_SETTINGS_T>()),
0, new MMAL_RATIONAL_T(0, 0), new MMAL_RATIONAL_T(0, 0),
new MMAL_RATIONAL_T(0, 0), new MMAL_RATIONAL_T(0, 0), 0);
MMALCheck(MMALPort.mmal_port_parameter_get(camera.Control.Ptr, &settings.Hdr), "Unable to get camera settings");
return(settings.Exposure);
}
/// <summary>
/// Gets the AWB Blue Gain value currently being used by the camera.
/// </summary>
/// <param name="camera">The camera component.</param>
/// <returns>The AWB Blue Gain value.</returns>
public static double GetAwbBlueGain(this MMALCameraComponent camera)
{
MMAL_PARAMETER_CAMERA_SETTINGS_T settings = new MMAL_PARAMETER_CAMERA_SETTINGS_T(
new MMAL_PARAMETER_HEADER_T(MMAL_PARAMETER_CAMERA_SETTINGS, Marshal.SizeOf <MMAL_PARAMETER_CAMERA_SETTINGS_T>()),
0, new MMAL_RATIONAL_T(0, 0), new MMAL_RATIONAL_T(0, 0),
new MMAL_RATIONAL_T(0, 0), new MMAL_RATIONAL_T(0, 0), 0);
MMALCheck(MMALPort.mmal_port_parameter_get(camera.Control.Ptr, &settings.Hdr), "Unable to get camera settings");
return(Convert.ToDouble(settings.AwbBlueGain.Num / settings.AwbBlueGain.Den));
}
