150 lines
4.7 KiB
Objective-C
150 lines
4.7 KiB
Objective-C
/* For iOS video I/O
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* by Eduard Feicho on 29/07/12
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* Copyright 2012. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#import <UIKit/UIKit.h>
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#import <Accelerate/Accelerate.h>
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#import <AVFoundation/AVFoundation.h>
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#import <ImageIO/ImageIO.h>
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#include "opencv2/core.hpp"
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//! @addtogroup videoio_ios
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//! @{
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/////////////////////////////////////// CvAbstractCamera /////////////////////////////////////
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@class CvAbstractCamera;
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CV_EXPORTS @interface CvAbstractCamera : NSObject
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{
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UIDeviceOrientation currentDeviceOrientation;
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BOOL cameraAvailable;
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}
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@property (nonatomic, strong) AVCaptureSession* captureSession;
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@property (nonatomic, strong) AVCaptureConnection* videoCaptureConnection;
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@property (nonatomic, readonly) BOOL running;
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@property (nonatomic, readonly) BOOL captureSessionLoaded;
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@property (nonatomic, assign) int defaultFPS;
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@property (nonatomic, readonly) AVCaptureVideoPreviewLayer *captureVideoPreviewLayer;
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@property (nonatomic, assign) AVCaptureDevicePosition defaultAVCaptureDevicePosition;
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@property (nonatomic, assign) AVCaptureVideoOrientation defaultAVCaptureVideoOrientation;
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@property (nonatomic, assign) BOOL useAVCaptureVideoPreviewLayer;
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@property (nonatomic, strong) NSString *const defaultAVCaptureSessionPreset;
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@property (nonatomic, assign) int imageWidth;
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@property (nonatomic, assign) int imageHeight;
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@property (nonatomic, strong) UIView* parentView;
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- (void)start;
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- (void)stop;
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- (void)switchCameras;
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- (id)initWithParentView:(UIView*)parent;
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- (void)createCaptureOutput;
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- (void)createVideoPreviewLayer;
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- (void)updateOrientation;
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- (void)lockFocus;
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- (void)unlockFocus;
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- (void)lockExposure;
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- (void)unlockExposure;
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- (void)lockBalance;
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- (void)unlockBalance;
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@end
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///////////////////////////////// CvVideoCamera ///////////////////////////////////////////
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@class CvVideoCamera;
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CV_EXPORTS @protocol CvVideoCameraDelegate <NSObject>
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#ifdef __cplusplus
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// delegate method for processing image frames
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- (void)processImage:(cv::Mat&)image;
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#endif
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@end
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CV_EXPORTS @interface CvVideoCamera : CvAbstractCamera<AVCaptureVideoDataOutputSampleBufferDelegate>
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{
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AVCaptureVideoDataOutput *videoDataOutput;
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dispatch_queue_t videoDataOutputQueue;
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CALayer *customPreviewLayer;
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CMTime lastSampleTime;
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}
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@property (nonatomic, weak) id<CvVideoCameraDelegate> delegate;
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@property (nonatomic, assign) BOOL grayscaleMode;
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@property (nonatomic, assign) BOOL recordVideo;
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@property (nonatomic, assign) BOOL rotateVideo;
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@property (nonatomic, strong) AVAssetWriterInput* recordAssetWriterInput;
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@property (nonatomic, strong) AVAssetWriterInputPixelBufferAdaptor* recordPixelBufferAdaptor;
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@property (nonatomic, strong) AVAssetWriter* recordAssetWriter;
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- (void)adjustLayoutToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation;
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- (void)layoutPreviewLayer;
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- (void)saveVideo;
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- (NSURL *)videoFileURL;
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- (NSString *)videoFileString;
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@end
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///////////////////////////////// CvPhotoCamera ///////////////////////////////////////////
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@class CvPhotoCamera;
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CV_EXPORTS @protocol CvPhotoCameraDelegate <NSObject>
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- (void)photoCamera:(CvPhotoCamera*)photoCamera capturedImage:(UIImage *)image;
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- (void)photoCameraCancel:(CvPhotoCamera*)photoCamera;
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@end
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CV_EXPORTS @interface CvPhotoCamera : CvAbstractCamera
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{
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AVCaptureStillImageOutput *stillImageOutput;
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}
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@property (nonatomic, weak) id<CvPhotoCameraDelegate> delegate;
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- (void)takePicture;
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@end
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//! @} videoio_ios
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