private void SetupLiveCameraStream()
{
captureSession = new AVCaptureSession();
captureSession.SessionPreset = AVCaptureSession.PresetMedium;
videoPreviewLayer = new AVCaptureVideoPreviewLayer(captureSession)
{
Frame = new CGRect(0f, 0f, View.Bounds.Width, View.Bounds.Height),
Orientation = GetCameraForOrientation()
};
liveCameraStream.Layer.AddSublayer(videoPreviewLayer);
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
ConfigureCameraForDevice(captureDevice);
captureDeviceInput = AVCaptureDeviceInput.FromDevice(captureDevice);
aVCaptureMovieFileOutput = new AVCaptureMovieFileOutput();
var audioDevice = AVCaptureDevice.GetDefaultDevice(AVMediaType.Audio);
var audioDeviceInput = AVCaptureDeviceInput.FromDevice(audioDevice);
captureSession.AddOutput(aVCaptureMovieFileOutput);
captureSession.AddInput(captureDeviceInput);
captureSession.AddInput(audioDeviceInput);
aVCaptureMovieFileOutput.ConnectionFromMediaType(AVMediaType.Video).VideoOrientation = GetCameraForOrientation();
captureSession.StartRunning();
}
public void RecordVideoToPath(UIViewController ViewController, string VideoPath)
{
// setup capture device
AVCaptureDevice videoRecordingDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
NSError error;
AVCaptureDeviceInput videoInput = new AVCaptureDeviceInput(videoRecordingDevice, out error);
// create and assign a capture session
AVCaptureSession captureSession = new AVCaptureSession();
captureSession.SessionPreset = AVCaptureSession.Preset1280x720;
captureSession.AddInput(videoInput);
// Create capture device output
AVCaptureVideoDataOutput videoOutput = new AVCaptureVideoDataOutput();
captureSession.AddOutput(videoOutput);
videoOutput.VideoSettings.PixelFormat = CVPixelFormatType.CV32BGRA;
videoOutput.MinFrameDuration = new CMTime(1, 30);
videoOutput.SetSampleBufferDelegatequeue(captureVideoDelegate, System.IntPtr.Zero);
// create a delegate class for handling capture
captureVideoDelegate = new CaptureVideoDelegate(ViewController);
// Start capture session
captureSession.StartRunning();
}
/// <summary>
/// Start camera preview
/// </summary>
public override void StartCamera()
{
if (Session == null)
{
Session = new AVCaptureSession();
Device = Configuration.ShowBackCameraFirst
? AVCaptureDevice.Devices.FirstOrDefault(d => d.Position == AVCaptureDevicePosition.Back)
: AVCaptureDevice.Devices.FirstOrDefault(d => d.Position == AVCaptureDevicePosition.Front);
if (Device == null)
{
NoCameraAvailable();
Console.WriteLine("Could not find capture device, does your device have a camera?");
return;
}
try
{
NSError error;
VideoInput = new AVCaptureDeviceInput(Device, out error);
Session.AddInput(VideoInput);
_videoOutput = new AVCaptureMovieFileOutput {
MinFreeDiskSpaceLimit = 1024 * 1024
};
if (Session.CanAddOutput(_videoOutput))
{
Session.AddOutput(_videoOutput);
}
if (Configuration.RecordAudio)
{
var audioDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Audio);
_audioInput = new AVCaptureDeviceInput(audioDevice, out error);
if (Session.CanAddInput(_audioInput))
{
Session.AddInput(_audioInput);
}
}
if (Configuration.DetectFaces)
{
SetupFaceDetection();
}
SetupVideoPreviewLayer();
Session.StartRunning();
}
catch { /* ignore */ }
FlashConfiguration(true);
}
base.StartCamera();
}
public void TurnOff()
{
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (captureDevice == null)
{
return;
}
NSError error = null;
captureDevice.LockForConfiguration(out error);
if (error != null)
{
captureDevice.UnlockForConfiguration();
return;
}
else
{
if (captureDevice.TorchMode != AVCaptureTorchMode.Off)
{
captureDevice.TorchMode = AVCaptureTorchMode.Off;
}
captureDevice.UnlockForConfiguration();
}
}
private void SetupLiveCameraStream()
{
captureSession = new AVCaptureSession();
videoPreviewLayer = new AVCaptureVideoPreviewLayer(captureSession)
{
Frame = liveCameraStream.Bounds,
Orientation = GetCameraForOrientation()
};
liveCameraStream.Layer.AddSublayer(videoPreviewLayer);
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
ConfigureCameraForDevice(captureDevice);
captureDeviceInput = AVCaptureDeviceInput.FromDevice(captureDevice);
var dictionary = new NSMutableDictionary();
dictionary[AVVideo.CodecKey] = new NSNumber((int)AVVideoCodec.JPEG);
stillImageOutput = new AVCaptureStillImageOutput()
{
OutputSettings = new NSDictionary(),
};
captureSession.AddOutput(stillImageOutput);
captureSession.AddInput(captureDeviceInput);
stillImageOutput.ConnectionFromMediaType(AVMediaType.Video).VideoOrientation = GetCameraForOrientation();
captureSession.StartRunning();
}
public void SetupLiveCameraStream()
{
CaptureSession = new AVCaptureSession();
var viewLayer = this.Layer;
videoPreviewLayer = new AVCaptureVideoPreviewLayer(CaptureSession)
{
Frame = this.Frame
};
this.Layer.AddSublayer(videoPreviewLayer);
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
ConfigureCameraForDevice(captureDevice);
captureDeviceInput = AVCaptureDeviceInput.FromDevice(captureDevice);
CaptureSession.AddInput(captureDeviceInput);
var dictionary = new NSMutableDictionary();
dictionary[AVVideo.CodecKey] = new NSNumber((int)AVVideoCodec.JPEG);
stillImageOutput = new AVCaptureStillImageOutput()
{
OutputSettings = new NSDictionary()
};
CaptureSession.AddOutput(stillImageOutput);
CaptureSession.StartRunning();
}
public void Focus(PointF pointOfInterest)
{
//Get the device
if (AVMediaType.Video == null)
{
return;
}
var device = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (device == null)
{
return;
}
//See if it supports focusing on a point
if (device.FocusPointOfInterestSupported && !device.AdjustingFocus)
{
NSError err = null;
//Lock device to config
if (device.LockForConfiguration(out err))
{
Console.WriteLine("Focusing at point: " + pointOfInterest.X + ", " + pointOfInterest.Y);
//Focus at the point touched
device.FocusPointOfInterest = pointOfInterest;
device.FocusMode = AVCaptureFocusMode.ContinuousAutoFocus;
device.UnlockForConfiguration();
}
}
}
/// <summary>
/// Turn the lamp off
/// </summary>
public void TurnOff()
{
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (captureDevice == null)
{
Debug.WriteLine("No captureDevice - this won't work on the simulator, try a physical device");
return;
}
NSError error = null;
captureDevice.LockForConfiguration(out error);
if (error != null)
{
Debug.WriteLine(error);
captureDevice.UnlockForConfiguration();
return;
}
else
{
if (captureDevice.TorchMode != AVCaptureTorchMode.Off)
{
captureDevice.TorchMode = AVCaptureTorchMode.Off;
}
captureDevice.UnlockForConfiguration();
}
}
public void SetTorch(bool on)
{
try
{
NSError err;
var device = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
device.LockForConfiguration(out err);
if (on)
{
device.TorchMode = AVCaptureTorchMode.On;
device.FlashMode = AVCaptureFlashMode.On;
}
else
{
device.TorchMode = AVCaptureTorchMode.Off;
device.FlashMode = AVCaptureFlashMode.Off;
}
device.UnlockForConfiguration();
device = null;
torch = on;
}
catch { }
}
private bool initScanner()
{
device = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (device == null)
{
this.Debug("AVCaptureDevice is null");
return(false);
}
input = AVCaptureDeviceInput.FromDevice(device);
if (input == null)
{
this.Debug("AVCaptureDeviceInput is null");
return(false);
}
output = new AVCaptureMetadataOutput();
output.SetDelegate(this, DispatchQueue.MainQueue);
session = new AVCaptureSession();
session.AddInput(input);
session.AddOutput(output);
output.MetadataObjectTypes = configuration.Barcodes.ConvertToIOS();
captureVideoPreviewLayer = AVCaptureVideoPreviewLayer.FromSession(session);
captureVideoPreviewLayer.Frame = CGRect.Empty;
captureVideoPreviewLayer.VideoGravity = AVLayerVideoGravity.ResizeAspectFill;
captureVideoPreviewLayer.Connection.VideoOrientation = getDeviceOrientation();
return(true);
}
public void RefcountTest()
{
TestRuntime.AssertSystemVersion(PlatformName.iOS, 7, 0, throwIfOtherPlatform: false);
// Bug #27205
var auth = AVCaptureDevice.GetAuthorizationStatus(AVMediaType.Video);
switch (auth)
{
case AVAuthorizationStatus.Restricted:
case AVAuthorizationStatus.Denied:
case AVAuthorizationStatus.NotDetermined:
Assert.Inconclusive("This test requires video recording permissions.");
return;
}
using (var captureSession = new AVCaptureSession()) {
using (var videoDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video)) {
foreach (var format in videoDevice.Formats)
{
for (int i = 0; i < 10; i++)
{
using (var f = format.FormatDescription) {
}
}
}
}
}
}
void ShowCameraPreview()
{
var captureSession = new AVCaptureSession();
var viewLayer = liveCameraStream.Layer;
videoPreviewLayer = new AVCaptureVideoPreviewLayer(captureSession)
{
Frame = this.View.Frame
};
liveCameraStream.Layer.AddSublayer(videoPreviewLayer);
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
ConfigureCameraForDevice(captureDevice);
captureDeviceInput = AVCaptureDeviceInput.FromDevice(captureDevice);
captureSession.AddInput(captureDeviceInput);
var dictionary = new NSMutableDictionary();
dictionary[AVVideo.CodecKey] = new NSNumber((int)AVVideoCodec.JPEG);
stillImageOutput = new AVCaptureStillImageOutput()
{
OutputSettings = new NSDictionary()
};
captureSession.AddOutput(stillImageOutput);
captureSession.StartRunning();
captureButton.Hidden = false;
cancelButton.Hidden = false;
}
bool SetupCaptureSession()
{
// configure the capture session for low resolution, change this if your code
// can cope with more data or volume
session = new AVCaptureSession()
{
SessionPreset = AVCaptureSession.PresetMedium
};
// create a device input and attach it to the session
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (captureDevice == null)
{
Console.WriteLine("No captureDevice - this won't work on the simulator, try a physical device");
return(false);
}
//Configure for 15 FPS. Note use of LockForConigfuration()/UnlockForConfiguration()
NSError error = null;
captureDevice.LockForConfiguration(out error);
if (error != null)
{
Console.WriteLine(error);
captureDevice.UnlockForConfiguration();
return(false);
}
if (UIDevice.CurrentDevice.CheckSystemVersion(7, 0))
{
captureDevice.ActiveVideoMinFrameDuration = new CMTime(1, 15);
}
captureDevice.UnlockForConfiguration();
var input = AVCaptureDeviceInput.FromDevice(captureDevice);
if (input == null)
{
Console.WriteLine("No input - this won't work on the simulator, try a physical device");
return(false);
}
session.AddInput(input);
// create a VideoDataOutput and add it to the sesion
var output = new AVCaptureVideoDataOutput()
{
WeakVideoSettings = new CVPixelBufferAttributes()
{
PixelFormatType = CVPixelFormatType.CV32BGRA
}.Dictionary,
};
// configure the output
queue = new CoreFoundation.DispatchQueue("myQueue");
outputRecorder = new OutputRecorder();
output.SetSampleBufferDelegate(outputRecorder, queue);
session.AddOutput(output);
session.StartRunning();
return(true);
}
public void RefcountTest()
{
if (!TestRuntime.CheckSystemAndSDKVersion(7, 0))
{
Assert.Ignore("This test uses iOS 7 API");
}
// Bug #27205
var auth = AVCaptureDevice.GetAuthorizationStatus(AVMediaType.Video);
switch (auth)
{
case AVAuthorizationStatus.Restricted:
case AVAuthorizationStatus.Denied:
case AVAuthorizationStatus.NotDetermined:
Assert.Inconclusive("This test requires video recording permissions.");
return;
}
using (var captureSession = new AVCaptureSession()) {
using (var videoDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video)) {
foreach (var format in videoDevice.Formats)
{
for (int i = 0; i < 10; i++)
{
using (var f = format.FormatDescription) {
}
}
}
}
}
}
private void SetupLiveCameraStream()
{
captureSession = new AVCaptureSession();
var videoPreviewLayer = new AVCaptureVideoPreviewLayer(captureSession)
{
Frame = liveCameraStream.Bounds
};
liveCameraStream.Layer.AddSublayer(videoPreviewLayer);
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
ConfigureCameraForDevice(captureDevice);
captureDeviceInput = AVCaptureDeviceInput.FromDevice(captureDevice);
stillImageOutput = new AVCaptureStillImageOutput
{
OutputSettings = new NSDictionary()
};
captureSession.AddOutput(stillImageOutput);
captureSession.AddInput(captureDeviceInput);
captureSession.StartRunning();
}
void SetupLiveCameraStream()
{
_captureSession = new AVCaptureSession();
var viewLayer = _liveCameraStream.Layer;
_videoPreviewLayer = new AVCaptureVideoPreviewLayer(_captureSession)
{
Frame = _liveCameraStream.Bounds
};
_liveCameraStream.AddObserver("bounds", NSKeyValueObservingOptions.New, ObservedBoundsChange);
_liveCameraStream.Layer.AddSublayer(_videoPreviewLayer);
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
ConfigureCameraForDevice(captureDevice);
_captureDeviceInput = AVCaptureDeviceInput.FromDevice(captureDevice);
var dictionary = new NSMutableDictionary();
dictionary[AVVideo.CodecKey] = new NSNumber((int)AVVideoCodec.JPEG);
_stillImageOutput = new AVCaptureStillImageOutput {
OutputSettings = new NSDictionary()
};
_captureSession.AddOutput(_stillImageOutput);
_captureSession.AddInput(_captureDeviceInput);
_captureSession.StartRunning();
}
public async void SetupLiveCameraStream()
{
captureSession = new AVCaptureSession();
var viewLayer = liveCameraStream.Layer;
var videoPreviewLayer = new AVCaptureVideoPreviewLayer(captureSession)
{
Frame = liveCameraStream.Bounds
};
liveCameraStream.Layer.AddSublayer(videoPreviewLayer);
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
ConfigureCameraForDevice(captureDevice);
captureDeviceInput = AVCaptureDeviceInput.FromDevice(captureDevice);
var dictionary = new NSMutableDictionary();
dictionary[AVVideo.CodecKey] = new NSNumber((int)AVVideoCodec.JPEG);
stillImageOutput = new AVCaptureStillImageOutput()
{
OutputSettings = new NSDictionary()
};
captureSession.AddOutput(stillImageOutput);
captureSession.AddInput(captureDeviceInput);
captureSession.StartRunning();
await SkinSelfie.Pages.CameraPage.ShowTip();
}
/// <summary>
/// Initializes this instance.
/// </summary>
private void Initialize()
{
var captureSession = new AVCaptureSession();
_previewLayer = new AVCaptureVideoPreviewLayer(captureSession)
{
VideoGravity = AVLayerVideoGravity.ResizeAspectFill,
Frame = Bounds
};
var device = AVCaptureDevice.DefaultDeviceWithMediaType(
AVMediaType.Video);
if (device == null)
{
System.Diagnostics.Debug.WriteLine("No device detected.");
return;
}
NSError error;
var input = new AVCaptureDeviceInput(device, out error);
captureSession.AddInput(input);
Layer.AddSublayer(_previewLayer);
captureSession.StartRunning();
}
private void TryStart()
{
if (contentLayer != null)
{
session = new AVCaptureSession();
var camera = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
var input = AVCaptureDeviceInput.FromDevice(camera);
session.AddInput(input);
// create a VideoDataOutput and add it to the sesion
var settings = new CVPixelBufferAttributes
{
PixelFormatType = CVPixelFormatType.CV32BGRA
};
using (var output = new AVCaptureVideoDataOutput {
WeakVideoSettings = settings.Dictionary
})
{
queue = new DispatchQueue("s4mQueue");
outputRecorder = new OutputRecorder();
output.SetSampleBufferDelegate(outputRecorder, queue);
session.AddOutput(output);
}
this.contentLayer.Session = session;
session.StartRunning();
}
}
void Compare(NSString constant, AVMediaTypes value)
{
Assert.That(AVCaptureDevice.GetDefaultDevice(constant), Is.EqualTo(AVCaptureDevice.GetDefaultDevice(value)), value.ToString());
#if !XAMCORE_4_0
Assert.That(AVCaptureDevice.GetDefaultDevice(constant), Is.EqualTo(AVCaptureDevice.DefaultDeviceWithMediaType((string)constant)), value.ToString() + ".compat");
#endif
}
public void MetadataObjectTypesTest()
{
TestRuntime.AssertSystemVersion(PlatformName.iOS, 8, 0, throwIfOtherPlatform: false);
if (Runtime.Arch != Arch.DEVICE)
{
Assert.Ignore("This test only runs on device (requires camera access)");
}
TestRuntime.RequestCameraPermission(AVMediaType.Video, true);
using (var captureSession = new AVCaptureSession()) {
using (var videoDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video)) {
NSError error;
using (var videoInput = new AVCaptureDeviceInput(videoDevice, out error)) {
if (captureSession.CanAddInput(videoInput))
{
captureSession.AddInput(videoInput);
}
using (var metadataOutput = new AVCaptureMetadataOutput()) {
if (captureSession.CanAddOutput(metadataOutput))
{
captureSession.AddOutput(metadataOutput);
}
AVMetadataObjectType all = AVMetadataObjectType.None;
foreach (AVMetadataObjectType val in Enum.GetValues(typeof(AVMetadataObjectType)))
{
switch (val)
{
case AVMetadataObjectType.CatBody:
case AVMetadataObjectType.DogBody:
case AVMetadataObjectType.HumanBody:
case AVMetadataObjectType.SalientObject:
// fail *and crash* on iOS 8 (at least on 32bits devices)
if (!TestRuntime.CheckXcodeVersion(11, 0))
{
continue;
}
// xcode 12 beta 1 on device
if ((Runtime.Arch == Arch.DEVICE) && TestRuntime.CheckXcodeVersion(12, 0))
{
continue;
}
break;
}
metadataOutput.MetadataObjectTypes = val;
all |= val;
Assert.AreEqual(val, metadataOutput.MetadataObjectTypes, val.ToString());
}
metadataOutput.MetadataObjectTypes = all;
Assert.AreEqual(all, metadataOutput.MetadataObjectTypes, all.ToString());
}
}
}
}
}
bool SetupCaptureSession()
{
// configure the capture session for low resolution, change this if your code
// can cope with more data or volume
session = new AVCaptureSession()
{
SessionPreset = AVCaptureSession.PresetMedium
};
// create a device input and attach it to the session
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (captureDevice == null)
{
Image <Bgr, Byte> img = new Image <Bgr, byte> (512, 512, new Bgr(255, 255, 255));
CvInvoke.PutText(
img,
"Capture device not found.",
new Point(10, 200),
FontFace.HersheyComplex,
1,
new MCvScalar(),
2);
ImageView.Image = img.ToUIImage();
return(false);
}
var input = AVCaptureDeviceInput.FromDevice(captureDevice);
if (input == null)
{
Console.WriteLine("No input device");
return(false);
}
session.AddInput(input);
// create a VideoDataOutput and add it to the sesion
AVVideoSettingsUncompressed settingUncomp = new AVVideoSettingsUncompressed();
settingUncomp.PixelFormatType = CVPixelFormatType.CV32BGRA;
var output = new AVCaptureVideoDataOutput()
{
UncompressedVideoSetting = settingUncomp,
// If you want to cap the frame rate at a given speed, in this sample: 15 frames per second
//MinFrameDuration = new CMTime (1, 15)
};
// configure the output
queue = new DispatchQueue("myQueue");
outputRecorder = new OutputRecorder(ImageView);
output.SetSampleBufferDelegateQueue(outputRecorder, queue);
session.AddOutput(output);
session.StartRunning();
return(true);
}
bool SetupCaptureSession()
{
session = new AVCaptureSession();
AVCaptureDevice device = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (device == null)
{
Console.WriteLine("No video camera (in simulator?)");
return(false); // simulator?
}
NSError error = null;
AVCaptureDeviceInput input = AVCaptureDeviceInput.FromDevice(device, out error);
if (input == null)
{
Console.WriteLine("Error: " + error);
}
else
{
session.AddInput(input);
}
AVCaptureMetadataOutput output = new AVCaptureMetadataOutput();
var dg = new CaptureDelegate(this);
output.SetDelegate(dg, MonoTouch.CoreFoundation.DispatchQueue.MainQueue);
session.AddOutput(output);
// This could be any list of supported barcode types
output.MetadataObjectTypes = new NSString[] { AVMetadataObject.TypeQRCode, AVMetadataObject.TypeAztecCode };
// OR you could just accept "all" with the following line;
// output.MetadataObjectTypes = output.AvailableMetadataObjectTypes; // empty
// DEBUG: use this if you're curious about the available types
// foreach (var t in output.AvailableMetadataObjectTypes)
// Console.WriteLine(t);
AVCaptureVideoPreviewLayer previewLayer = new AVCaptureVideoPreviewLayer(session);
//previewLayer.Frame = new RectangleF(0,0, View.Frame.Size.Width, View.Frame.Size.Height);
previewLayer.Frame = new RectangleF(0, 0, 320, 290);
previewLayer.VideoGravity = AVLayerVideoGravity.ResizeAspectFill.ToString();
View.Layer.AddSublayer(previewLayer);
session.StartRunning();
Console.WriteLine("StartRunning");
return(true);
}
void SetupAVCapture(NSString sessionPreset)
{
if ((videoTextureCache = CVOpenGLESTextureCache.FromEAGLContext(context)) == null)
{
Console.WriteLine("Could not create the CoreVideo TextureCache");
return;
}
session = new AVCaptureSession();
session.BeginConfiguration();
// Preset size
session.SessionPreset = sessionPreset;
// Input device
var videoDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (videoDevice == null)
{
Console.WriteLine("No video device");
return;
}
NSError err;
var input = new AVCaptureDeviceInput(videoDevice, out err);
if (err != null)
{
Console.WriteLine("Error creating video capture device");
return;
}
session.AddInput(input);
// Create the output device
var dataOutput = new AVCaptureVideoDataOutput()
{
AlwaysDiscardsLateVideoFrames = true,
// YUV 420, use "BiPlanar" to split the Y and UV planes in two separate blocks of
// memory, then we can index 0 to get the Y and 1 for the UV planes in the frame decoding
VideoSettings = new AVVideoSettings(CVPixelFormatType.CV420YpCbCr8BiPlanarFullRange)
};
dataOutputDelegate = new DataOutputDelegate(this);
//
// This dispatches the video frames into the main thread, because the OpenGL
// code is accessing the data synchronously.
//
dataOutput.SetSampleBufferDelegateAndQueue(dataOutputDelegate, DispatchQueue.MainQueue);
session.AddOutput(dataOutput);
session.CommitConfiguration();
session.StartRunning();
}
/// <summary>
/// Retrieves the camera device.
/// </summary>
/// <returns><c>true</c>, if camera device was retrieved, <c>false</c> otherwise.</returns>
public bool RetrieveCameraDevice()
{
_device = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (_device == null)
{
_log.WriteLineTime(_tag + "\n" + "RetrieveCameraDevice() No device detected \n ");
return(false);
}
return(true);
}
public void MetadataObjectTypesTest()
{
if (!TestRuntime.CheckSystemAndSDKVersion(8, 0))
{
Assert.Ignore("Test only works correctly in iOS 8+");
}
if (Runtime.Arch != Arch.DEVICE)
{
Assert.Ignore("This test only runs on device (requires camera access)");
}
var auth = AVCaptureDevice.GetAuthorizationStatus(AVMediaType.Video);
switch (auth)
{
case AVAuthorizationStatus.Restricted:
case AVAuthorizationStatus.Denied:
Assert.Fail("This test requires access to the camera, but the app has been denied access.");
break;
}
using (var captureSession = new AVCaptureSession()) {
using (var videoDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video)) {
NSError error;
using (var videoInput = new AVCaptureDeviceInput(videoDevice, out error)) {
if (captureSession.CanAddInput(videoInput))
{
captureSession.AddInput(videoInput);
}
using (var metadataOutput = new AVCaptureMetadataOutput()) {
if (captureSession.CanAddOutput(metadataOutput))
{
captureSession.AddOutput(metadataOutput);
}
AVMetadataObjectType all = AVMetadataObjectType.None;
foreach (AVMetadataObjectType val in Enum.GetValues(typeof(AVMetadataObjectType)))
{
metadataOutput.MetadataObjectTypes = val;
all |= val;
Assert.AreEqual(val, metadataOutput.MetadataObjectTypes, val.ToString());
}
metadataOutput.MetadataObjectTypes = all;
Assert.AreEqual(all, metadataOutput.MetadataObjectTypes, all.ToString());
}
}
}
}
}
private void SetupCaptureSession()
{
// configure the capture session for low resolution, change this if your code
// can cope with more data or volume
session = new AVCaptureSession()
{
SessionPreset = AVCaptureSession.PresetMedium
};
// create a device input and attach it to the session
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (captureDevice == null)
{
RenderImageMessage("Capture device not found.");
return;
}
var input = AVCaptureDeviceInput.FromDevice(captureDevice);
if (input == null)
{
RenderImageMessage("No input device");
return;
}
session.AddInput(input);
// create a VideoDataOutput and add it to the sesion
AVVideoSettingsUncompressed settingUncomp = new AVVideoSettingsUncompressed();
settingUncomp.PixelFormatType = CVPixelFormatType.CV32BGRA;
var output = new AVCaptureVideoDataOutput()
{
UncompressedVideoSetting = settingUncomp,
// If you want to cap the frame rate at a given speed, in this sample: 15 frames per second
//MinFrameDuration = new CMTime (1, 15)
};
// configure the output
queue = new DispatchQueue("myQueue");
outputRecorder = new OutputRecorder(ImageView);
output.SetSampleBufferDelegateQueue(outputRecorder, queue);
session.AddOutput(output);
session.StartRunning();
}
private void Focus(UITapGestureRecognizer recognizer)
{
var point = recognizer.LocationInView(this);
var viewSize = Bounds.Size;
var newPoint =
new CGPoint(point.Y / viewSize.Height, 1.0 - point.X / viewSize.Width);
var device = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
NSError error;
if (device.LockForConfiguration(out error))
{
if (device.IsFocusModeSupported(AVCaptureFocusMode.AutoFocus))
{
device.FocusMode = AVCaptureFocusMode.AutoFocus;
device.FocusPointOfInterest = newPoint;
}
if (device.IsExposureModeSupported(
AVCaptureExposureMode.ContinuousAutoExposure))
{
device.ExposureMode = AVCaptureExposureMode.ContinuousAutoExposure;
device.ExposurePointOfInterest = newPoint;
}
device.UnlockForConfiguration();
}
FocusView.Alpha = 0;
FocusView.Center = point;
FocusView.BackgroundColor = UIColor.Clear;
FocusView.Layer.BorderColor = Configuration.BaseTintColor.CGColor;
FocusView.Layer.BorderWidth = 1;
FocusView.Transform = CGAffineTransform.MakeScale(1.0f, 1.0f);
Add(FocusView);
AnimateNotify(0.8, 0.0, 0.8f, 3.0f, UIViewAnimationOptions.CurveEaseIn, () =>
{
FocusView.Alpha = 1;
FocusView.Transform = CGAffineTransform.MakeScale(0.7f, 0.7f);
}, finished =>
{
FocusView.Transform = CGAffineTransform.MakeScale(1.0f, 1.0f);
FocusView.RemoveFromSuperview();
});
}
public void Torch(bool on)
{
try
{
var device = captureDevice ?? AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (device != null && (device.HasTorch || device.HasFlash))
{
device.LockForConfiguration(out var err);
if (err != null)
{
if (on)
{
if (device.HasTorch)
{
device.TorchMode = AVCaptureTorchMode.On;
}
if (device.HasFlash)
{
device.FlashMode = AVCaptureFlashMode.On;
}
}
else
{
if (device.HasTorch)
{
device.TorchMode = AVCaptureTorchMode.Off;
}
if (device.HasFlash)
{
device.FlashMode = AVCaptureFlashMode.Off;
}
}
}
try
{
device.UnlockForConfiguration();
}
catch { }
}
torch = on;
}
catch { }
}
bool SetupCaptureSession()
{
// configure the capture session for low resolution, change this if your code
// can cope with more data or volume
session = new AVCaptureSession()
{
SessionPreset = AVCaptureSession.PresetMedium
};
// create a device input and attach it to the session
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (captureDevice == null)
{
// No input device
return(false);
}
var input = AVCaptureDeviceInput.FromDevice(captureDevice);
if (input == null)
{
// No input device
return(false);
}
session.AddInput(input);
// create a VideoDataOutput and add it to the sesion
var output = new AVCaptureVideoDataOutput()
{
VideoSettings = new AVVideoSettings(CVPixelFormatType.CV32BGRA)
};
// configure the output
queue = new DispatchQueue("myQueue");
qrScanner = new QrScanner(this);
output.SetSampleBufferDelegateAndQueue(qrScanner, queue);
session.AddOutput(output);
previewLayer = new AVCaptureVideoPreviewLayer(session);
previewLayer.Orientation = AVCaptureVideoOrientation.Portrait;
previewLayer.VideoGravity = "AVLayerVideoGravityResizeAspectFill";
session.StartRunning();
return(true);
}
