public void SetCameraZoom(double zoomFactor)
{
var error = new NSError();
if (CaptureDevice != null && !CaptureDevice.RampingVideoZoom)
{
CaptureDevice.LockForConfiguration(out error);
CaptureDevice.VideoZoomFactor = (nfloat)zoomFactor;
CaptureDevice.UnlockForConfiguration();
}
}
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 camera operation
if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad)
{
errorCamera("No Camera detected", "Seems your " + UIDevice.CurrentDevice.UserInterfaceIdiom + " has no camera. You must have a camera installed to use this feature");
CameraAvailable = false;
return;
}
else if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Phone)
{
errorCamera("No Camera detected", "Seems your " + UIDevice.CurrentDevice.UserInterfaceIdiom + " has no camera. You must have a camera installed to use this feature");
CameraAvailable = false;
return;
}
}
else
{
CaptureDevice.LockForConfiguration(out Error);
if (Error != null)
{
Console.WriteLine("Error detected in camera configuration: {0} ", Error.LocalizedDescription);
CaptureDevice.UnlockForConfiguration();
return;
}
else
{
//configure a stream for 40 frames per second fps
CaptureDevice.ActiveVideoMinFrameDuration = new CMTime(1, 40);
//unlock configuration
CaptureDevice.UnlockForConfiguration();
//get input from capture device
Input = AVCaptureDeviceInput.FromDevice(CaptureDevice);
if (Input == null)
{
switch (UIDevice.CurrentDevice.UserInterfaceIdiom)
{
case UIUserInterfaceIdiom.Pad:
errorCamera("No Input", "No input detected from the camera on your: " + UIUserInterfaceIdiom.Pad);
CameraAvailable = false;
return;
break;
case UIUserInterfaceIdiom.Phone:
errorCamera("No Input", "No input detected from the camera on your: " + UIUserInterfaceIdiom.Phone);
CameraAvailable = false;
return;
break;
}
}
else
{
//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);
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;
}
public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
{
// create a new window instance based on the screen size
Window = new UIWindow(UIScreen.MainScreen.Bounds);
Microsoft.WindowsAzure.MobileServices.CurrentPlatform.Init();
// If you have defined a root view controller, set it here:
initialViewController = Storyboard.InstantiateInitialViewController() as UIViewController;
Window.RootViewController = initialViewController;
UITabBar.Appearance.SelectedImageTintColor = UIColor.FromRGB(14, 125, 202);
UITabBar.Appearance.BackgroundColor = UIColor.White;
// make the window visible
Window.MakeKeyAndVisible();
// Create a new capture session
Session = new AVCaptureSession();
Session.SessionPreset = AVCaptureSession.PresetMedium;
// Create a device input
CaptureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (CaptureDevice == null)
{
//throw new Exception("Video recording not supported on this device");
}
else
{
// Prepare device for configuration
if (!CaptureDevice.LockForConfiguration(out Error))
{
// There has been an issue, abort
Console.WriteLine("Error: {0}", Error.LocalizedDescription);
CaptureDevice.UnlockForConfiguration();
return(false);
}
// 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(false);
}
// 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;
}
return(true);
}
