public override void FinishedLaunching(UIApplication application)
{
// Create a new capture session
Session = new AVCaptureSession();
Session.SessionPreset = AVCaptureSession.PresetMedium;
// Create a device input
CaptureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (CaptureDevice == null)
{
// Video capture not supported, abort
Console.WriteLine("Video recording not supported on this device");
CameraAvailable = false;
return;
}
// Prepare device for configuration
CaptureDevice.LockForConfiguration(out Error);
if (Error != null)
{
// There has been an issue, abort
Console.WriteLine("Error: {0}", Error.LocalizedDescription);
CaptureDevice.UnlockForConfiguration();
return;
}
// Configure stream for 15 frames per second (fps)
CaptureDevice.ActiveVideoMinFrameDuration = new CMTime(1, 15);
// Unlock configuration
CaptureDevice.UnlockForConfiguration();
// Get input from capture device
Input = AVCaptureDeviceInput.FromDevice(CaptureDevice);
if (Input == null)
{
// Error, report and abort
Console.WriteLine("Unable to gain input from capture device.");
CameraAvailable = false;
return;
}
// Attach input to session
Session.AddInput(Input);
// Create a new output
var output = new AVCaptureVideoDataOutput();
var settings = new AVVideoSettingsUncompressed();
settings.PixelFormatType = CVPixelFormatType.CV32BGRA;
output.WeakVideoSettings = settings.Dictionary;
// Configure and attach to the output to the session
Queue = new DispatchQueue("ManCamQueue");
Recorder = new OutputRecorder();
output.SetSampleBufferDelegate(Recorder, Queue);
Session.AddOutput(output);
// Configure and attach a still image output for bracketed capture
StillImageOutput = new AVCaptureStillImageOutput();
var dict = new NSMutableDictionary();
dict[AVVideo.CodecKey] = new NSNumber((int)AVVideoCodec.JPEG);
Session.AddOutput(StillImageOutput);
// Let tabs know that a camera is available
CameraAvailable = true;
}
public override void FinishedLaunching (UIApplication application)
{
// Create a new capture session
Session = new AVCaptureSession ();
Session.SessionPreset = AVCaptureSession.PresetMedium;
// Create a device input
CaptureDevice = AVCaptureDevice.DefaultDeviceWithMediaType (AVMediaType.Video);
if (CaptureDevice == null) {
// Video capture not supported, abort
Console.WriteLine ("Video recording not supported on this device");
CameraAvailable = false;
return;
}
// Prepare device for configuration
CaptureDevice.LockForConfiguration (out Error);
if (Error != null) {
// There has been an issue, abort
Console.WriteLine ("Error: {0}", Error.LocalizedDescription);
CaptureDevice.UnlockForConfiguration ();
return;
}
// Configure stream for 15 frames per second (fps)
CaptureDevice.ActiveVideoMinFrameDuration = new CMTime (1, 15);
// Unlock configuration
CaptureDevice.UnlockForConfiguration ();
// Get input from capture device
Input = AVCaptureDeviceInput.FromDevice (CaptureDevice);
if (Input == null) {
// Error, report and abort
Console.WriteLine ("Unable to gain input from capture device.");
CameraAvailable = false;
return;
}
// Attach input to session
Session.AddInput (Input);
// Create a new output
var output = new AVCaptureVideoDataOutput ();
var settings = new AVVideoSettingsUncompressed ();
settings.PixelFormatType = CVPixelFormatType.CV32BGRA;
output.WeakVideoSettings = settings.Dictionary;
// Configure and attach to the output to the session
Queue = new DispatchQueue ("ManCamQueue");
Recorder = new OutputRecorder ();
output.SetSampleBufferDelegate (Recorder, Queue);
Session.AddOutput (output);
// Configure and attach a still image output for bracketed capture
StillImageOutput = new AVCaptureStillImageOutput ();
var dict = new NSMutableDictionary();
dict[AVVideo.CodecKey] = new NSNumber((int) AVVideoCodec.JPEG);
Session.AddOutput (StillImageOutput);
// Let tabs know that a camera is available
CameraAvailable = true;
}
