public async Task Capture(Action <byte[]> onVideoDataAvailable, Action <Stream> onFullFrameAvailable, CancellationToken cancellationToken, int videoQuantisation = 0, int videoBitrate = 2386093, int jpegQuality = 80)
{
_camera.Initialise();
var imageCaptureHandler = new InMemoryImageHandler();
var videoCaptureHandler = new InMemoryVideoHandler();
var imgEncoder = new MmalImageEncoder();
var vidEncoder = new MmalVideoEncoder();
var splitter = new MmalSplitterComponent();
var nullSink = new MmalNullSinkComponent();
videoCaptureHandler.SetOnVideoDataAvailable(data => onVideoDataAvailable?.Invoke(data));
imageCaptureHandler.SetOnFullFrameAvailable(stream => onFullFrameAvailable?.Invoke(stream));
_cameraDisposables.AddRange(new IDisposable[] { imageCaptureHandler, videoCaptureHandler, imgEncoder, vidEncoder, splitter, nullSink });
var imagePortConfig = new MmalPortConfig(MmalEncoding.Jpeg, MmalEncoding.I420, jpegQuality);
var videoPortConfig = new MmalPortConfig(
MmalEncoding.H264,
MmalEncoding.I420,
videoQuantisation,
videoBitrate,
null,
null,
false,
CameraConfig.Resolution.Width,
CameraConfig.Resolution.Height);
imgEncoder.ConfigureOutputPort(imagePortConfig, imageCaptureHandler);
vidEncoder.ConfigureOutputPort(videoPortConfig, videoCaptureHandler);
_camera.VideoPort.ConnectTo(splitter);
splitter.Outputs[0].ConnectTo(imgEncoder);
splitter.Outputs[1].ConnectTo(vidEncoder);
_camera.PreviewPort.ConnectTo(nullSink);
// Camera warm up time
await Task.Delay(MmalCameraWarmUpMs, cancellationToken);
await ProcessAsync(_camera.VideoPort, cancellationToken);
}
public async Task Capture(Action <Stream> onFullFrameAvailable, CancellationToken cancellationToken, int jpegQuality = 80)
{
_camera.Initialise();
var imageCaptureHandler = new InMemoryImageHandler();
var imgEncoder = new MmalImageEncoder();
var nullSink = new MmalNullSinkComponent();
imageCaptureHandler.SetOnFullFrameAvailable(stream => onFullFrameAvailable?.Invoke(stream));
_cameraDisposables.AddRange(new IDisposable[] { imageCaptureHandler, imgEncoder, nullSink });
var imagePortConfig = new MmalPortConfig(MmalEncoding.Jpeg, MmalEncoding.I420, jpegQuality);
imgEncoder.ConfigureOutputPort(imagePortConfig, imageCaptureHandler);
_camera.VideoPort.ConnectTo(imgEncoder);
_camera.PreviewPort.ConnectTo(nullSink);
// Camera warm up time
await Task.Delay(MmalCameraWarmUpMs, cancellationToken);
await ProcessAsync(_camera.VideoPort, cancellationToken);
}