AVCaptureDevice iOS摄像头属性

AVCaptureDevice.h，主要用来获取iphone一些关于相机设备的属性。

AVCaptureDevice.h，必须要引入AVFoundation.framework包。

1. 前置和后置摄像头

enum {

AVCaptureDevicePositionBack = 1,

AVCaptureDevicePositionFront = 2

};

typedef NSInteger AVCaptureDevicePosition;

2. 闪光灯开关

enum {

AVCaptureFlashModeOff = 0,

AVCaptureFlashModeOn = 1,

AVCaptureFlashModeAuto = 2

};

typedef NSInteger AVCaptureFlashMode;

3. 手电筒开关

enum {

AVCaptureTorchModelOff = 0,

AVCaptureTorchModelOn = 1,

AVCaptureTorchModeAuto = 2

};

typedef NSInteger AVCaptureTorchMode;

4. 焦距调整

enum {

AVCaptureFocusModelLocked = 0,

AVCaptureFocusModeAutoFocus = 1,

AVCaptureFocusModeContinousAutoFocus = 2

};

typedef NSInteger AVCaptureFocusMode;

5. 曝光量调节

enum {

AVCaptureExposureModeLocked = 0,

AVCaptureExposureModeAutoExpose = 1,

AVCaptureExposureModeContinuousAutoExposure = 2

};

typedef NSInteger AVCaptureExposureMode;

6. 白平衡

enum {

AVCaptureWhiteBalanceModeLocked = 0,

AVCaptureWhiteBalanceModeAutoWhiteBalance = 1,

AVCaptureWhiteBalanceModeContinuousAutoWhiteBalance = 2

};

typedef NSInteger AVCaptureWhiteBalanceMode;