public void Connect(ImageDescriptor imageDescriptor, IFrameProducer producer, ConsumerDisplay consumerDisplay, ConsumerMJPEGRecorder consumerRecord)
{
// At that point the consumer threads are already started.
// But only the display thread (actually the UI main thread) should be "active".
// The producer thread is not started yet, it will be started outside the pipeline manager.
this.producer = producer;
this.consumerDisplay = consumerDisplay;
this.consumerRecord = consumerRecord;
consumerDisplay.SetImageDescriptor(imageDescriptor);
consumerRecord.SetImageDescriptor(imageDescriptor);
consumers.Clear();
consumers.Add(consumerDisplay as IFrameConsumer);
consumers.Add(consumerRecord as IFrameConsumer);
int buffers = 8;
pipeline = new FramePipeline(producer, consumers, buffers, imageDescriptor.BufferSize);
pipeline.SetBenchmarkMode(BenchmarkMode.None);
if (pipeline.Allocated)
{
producer.FrameProduced += producer_FrameProduced;
connected = true;
}
}
private void Connect2()
{
// Second part of Connect function.
// The function is split because the first part might need to be run repeatedly and from non UI thread,
// while this part must run on the UI thread.
metadata.ImageSize = new Size(imageDescriptor.Width, imageDescriptor.Height);
metadata.PostSetupCapture();
AllocateDelayer();
// Start recorder thread.
// It will be dormant until recording is started but it has the same lifetime as the pipeline.
consumerRecord = new ConsumerMJPEGRecorder();
recorderThread = new Thread(consumerRecord.Run)
{
IsBackground = true
};
recorderThread.Name = consumerRecord.GetType().Name;
recorderThread.Start();
// Make sure the viewport will not use the bitmap allocated by the consumerDisplay as it is about to be disposed.
viewportController.ForgetBitmap();
viewportController.InitializeDisplayRectangle(cameraSummary.DisplayRectangle, new Size(imageDescriptor.Width, imageDescriptor.Height));
// Initialize pipeline.
pipelineManager.Connect(imageDescriptor, (IFrameProducer)cameraGrabber, consumerDisplay, consumerRecord);
nonGrabbingInteractionTimer.Enabled = false;
if (!PreferencesManager.CapturePreferences.UseCameraSignalSynchronization)
{
double framerate = PreferencesManager.CapturePreferences.DisplaySynchronizationFramerate;
if (framerate == 0)
{
framerate = 25;
}
grabTimer.Interval = (int)(1000.0 / framerate);
grabTimer.Enabled = true;
}
cameraGrabber.GrabbingStatusChanged += Grabber_GrabbingStatusChanged;
cameraGrabber.Start();
UpdateTitle();
cameraConnected = true;
}