AVCaptureSession Class Reference

AVCaptureSession *captureSession = [[AVCaptureSession alloc] init];

AVCaptureDevice *audioCaptureDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeAudio];

NSError *error = nil;

AVCaptureDeviceInput *audioInput = [AVCaptureDeviceInput deviceInputWithDevice:audioCaptureDevice error:&error];

if (audioInput) {

    [captureSession addInput:audioInput];

}

else {

    // Handle the failure.

}

Tasks

Managing Inputs and Outputs

•   inputs  property
• – canAddInput:
• – addInput:
• – removeInput:
•   outputs  property
• – canAddOutput:
• – addOutput:
• – removeOutput:

Managing Running State

• – startRunning
• – stopRunning
•   running  property

Configuration Change

• – beginConfiguration
• – commitConfiguration

Managing Session Presets

•   sessionPreset  property
• – canSetSessionPreset:

Managing Connections

• – addConnection:
• – canAddConnection:
• – addInputWithNoConnections:
• – addOutputWithNoConnections:
• – removeConnection:

enum {
   AVCaptureVideoOrientationPortrait                = 1,
   AVCaptureVideoOrientationPortraitUpsideDown,
   AVCaptureVideoOrientationLandscapeLeft,
   AVCaptureVideoOrientationLandscapeRight,
};
typedef NSInteger AVCaptureVideoOrientation;

NSString *const AVCaptureSessionErrorKey;

NSString *const AVCaptureSessionPresetPhoto;
NSString *const AVCaptureSessionPresetHigh;
NSString *const AVCaptureSessionPresetMedium;
NSString *const AVCaptureSessionPresetLow;
NSString *const AVCaptureSessionPreset320x240;
NSString *const AVCaptureSessionPreset352x288;
NSString *const AVCaptureSessionPreset640x480;
NSString *const AVCaptureSessionPreset960x540;
NSString *const AVCaptureSessionPreset1280x720;