public unsafe MmalCameraComponent() : base(MmalParameters.MmalComponentDefaultCamera)
{
Outputs.Add(new OutputPort((IntPtr)(&(*Ptr->Output[0])), this, Guid.NewGuid()));
Outputs.Add(new VideoPort((IntPtr)(&(*Ptr->Output[1])), this, Guid.NewGuid()));
Outputs.Add(new StillPort((IntPtr)(&(*Ptr->Output[2])), this, Guid.NewGuid()));
CameraInfo = new MmalCameraInfoComponent();
PreviewPort = Outputs[MmalCameraPreviewPort];
VideoPort = Outputs[MmalCameraVideoPort];
StillPort = Outputs[MmalCameraStillPort];
PreviewPort.SetStereoMode(CameraConfig.StereoMode);
VideoPort.SetStereoMode(CameraConfig.StereoMode);
StillPort.SetStereoMode(CameraConfig.StereoMode);
Control.SetParameter(MmalParametersCamera.MmalParameterCameraNum, 0);
}
void InitialiseStill()
{
var currentWidth = CameraConfig.Resolution.Width;
var currentHeight = CameraConfig.Resolution.Height;
if (currentWidth == 0 || currentWidth > CameraInfo.MaxWidth)
{
currentWidth = CameraInfo.MaxWidth;
}
if (currentHeight == 0 || currentHeight > CameraInfo.MaxHeight)
{
currentHeight = CameraInfo.MaxHeight;
}
CameraConfig.Resolution = new Resolution(currentWidth, currentHeight);
var resolution = CameraConfig.Resolution.Pad();
var portConfig = new MmalPortConfig(
CameraConfig.Encoding,
CameraConfig.EncodingSubFormat,
width: resolution.Width,
height: resolution.Height,
framerate: CameraConfig.Framerate,
bufferNum: Math.Max(StillPort.BufferNumRecommended, 3),
bufferSize: Math.Max(StillPort.BufferSizeRecommended, StillPort.BufferSizeMin),
crop: new Rectangle(0, 0, currentWidth, currentHeight));
MmalLog.Logger.LogDebug("Commit still");
StillPort.Configure(portConfig, null, null);
// Use Raspistill values.
if (CameraConfig.ShutterSpeed > 6000000)
{
StillPort.SetFramerateRange(new MmalRational(5, 1000), new MmalRational(166, 1000));
}
else if (CameraConfig.ShutterSpeed > 1000000)
{
StillPort.SetFramerateRange(new MmalRational(167, 1000), new MmalRational(999, 1000));
}
}
