/// <summary>
/// Camera settings (applies both config and hard-coded defaults).
/// </summary>
protected virtual void ConfigureCamera()
{
Console.WriteLine("Configuring camera.");
MMALCameraConfig.Resolution = new Resolution(AppConfig.Get.Camera.Width, AppConfig.Get.Camera.Height);
MMALCameraConfig.SensorMode = AppConfig.Get.Camera.Mode;
MMALCameraConfig.Framerate = AppConfig.Get.Camera.FPS;
var overlay = new AnnotateImage(AppConfig.Get.Name, 30, Color.White)
{
ShowDateText = true,
ShowTimeText = true,
DateFormat = "yyyy-MM-dd",
TimeFormat = "HH:mm:ss",
RefreshRate = DateTimeTextRefreshRate.Seconds
};
MMALCameraConfig.Annotate = overlay;
// image quality tweaks to play with later
MMALCameraConfig.Sharpness = 0; // 0 = auto, default; -100 to 100
MMALCameraConfig.Contrast = 0; // 0 = auto, default; -100 to 100
MMALCameraConfig.Brightness = 50; // 50 = default; 0 = black, 100 = white
MMALCameraConfig.Saturation = 0; // 0 = default; -100 to 100
MMALCameraConfig.ExposureCompensation = 0; // 0 = none, default; -10 to 10, lightens/darkens the image
// low-light tweaks which don't seem to degrade full-light recording
MMALCameraConfig.ExposureMode = MMAL_PARAM_EXPOSUREMODE_T.MMAL_PARAM_EXPOSUREMODE_NIGHT;
MMALCameraConfig.ExposureMeterMode = MMAL_PARAM_EXPOSUREMETERINGMODE_T.MMAL_PARAM_EXPOSUREMETERINGMODE_MATRIX;
MMALCameraConfig.DrcLevel = MMAL_PARAMETER_DRC_STRENGTH_T.MMAL_PARAMETER_DRC_STRENGTH_HIGH;
// h.264 requires key frames for the circular buffer capture handler
MMALCameraConfig.InlineHeaders = true;
Cam.ConfigureCameraSettings();
Cam.EnableAnnotation();
}
