cap_ios.h

/*  For iOS video I/O





*  by Eduard Feicho on 29/07/12





*  Copyright 2012. All rights reserved.





*





* Redistribution and use in source and binary forms, with or without





* modification, are permitted provided that the following conditions are met:





*





* 1. Redistributions of source code must retain the above copyright notice,





*    this list of conditions and the following disclaimer.





* 2. Redistributions in binary form must reproduce the above copyright notice,





*    this list of conditions and the following disclaimer in the documentation





*    and/or other materials provided with the distribution.





* 3. The name of the author may not be used to endorse or promote products





*    derived from this software without specific prior written permission.





*





* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED





* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF





* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO





* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,





* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,





* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;





* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,





* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR





* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF





* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.





*





*/








#import <UIKit/UIKit.h>




#import <Accelerate/Accelerate.h>




#import <AVFoundation/AVFoundation.h>




#import <ImageIO/ImageIO.h>




#include "opencv2/core.hpp"
















@class
CvAbstractCamera;






CV_EXPORTS
@interface

CvAbstractCamera
: NSObject


{



UIDeviceOrientation currentDeviceOrientation;







BOOL cameraAvailable;


}







@property
(nonatomic, strong) AVCaptureSession* captureSession;



@property
(nonatomic, strong) AVCaptureConnection* videoCaptureConnection;







@property
(nonatomic, readonly) BOOL running;



@property
(nonatomic, readonly) BOOL captureSessionLoaded;







@property
(nonatomic, assign)
int
defaultFPS;



@property
(nonatomic, readonly) AVCaptureVideoPreviewLayer *captureVideoPreviewLayer;



@property
(nonatomic, assign) AVCaptureDevicePosition defaultAVCaptureDevicePosition;



@property
(nonatomic, assign) AVCaptureVideoOrientation defaultAVCaptureVideoOrientation;



@property
(nonatomic, assign) BOOL useAVCaptureVideoPreviewLayer;



@property
(nonatomic, strong) NSString *const
defaultAVCaptureSessionPreset;







@property
(nonatomic, assign)
int
imageWidth;



@property
(nonatomic, assign)
int
imageHeight;







@property
(nonatomic, strong) UIView* parentView;






- CV_UNUSED(start);


- CV_UNUSED(stop);


- CV_UNUSED(switchCameras);






- (id)initWithParentView:(UIView*)parent;






- CV_UNUSED(createCaptureOutput);


- CV_UNUSED(createVideoPreviewLayer);


- CV_UNUSED(updateOrientation);






- CV_UNUSED(lockFocus);


- CV_UNUSED(unlockFocus);


- CV_UNUSED(lockExposure);


- CV_UNUSED(unlockExposure);


- CV_UNUSED(lockBalance);


- CV_UNUSED(unlockBalance);







@end












@class
CvVideoCamera;






CV_EXPORTS
@protocol

CvVideoCameraDelegate
<NSObject>







#ifdef __cplusplus




// delegate method for processing image frames



- (void)processImage:(cv::Mat&)image;



#endif








@end







CV_EXPORTS
@interface

CvVideoCamera
:
CvAbstractCamera<AVCaptureVideoDataOutputSampleBufferDelegate>


{



AVCaptureVideoDataOutput *videoDataOutput;







dispatch_queue_t videoDataOutputQueue;



CALayer *customPreviewLayer;







CMTime lastSampleTime;






}







@property
(nonatomic, weak) id<CvVideoCameraDelegate> delegate;



@property
(nonatomic, assign) BOOL grayscaleMode;







@property
(nonatomic, assign) BOOL recordVideo;



@property
(nonatomic, assign) BOOL rotateVideo;



@property
(nonatomic, strong) AVAssetWriterInput* recordAssetWriterInput;



@property
(nonatomic, strong) AVAssetWriterInputPixelBufferAdaptor* recordPixelBufferAdaptor;



@property
(nonatomic, strong) AVAssetWriter* recordAssetWriter;






- (void)adjustLayoutToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation;


- CV_UNUSED(layoutPreviewLayer);


- CV_UNUSED(saveVideo);


- (NSURL *)videoFileURL;


- (NSString *)videoFileString;











@end












@class
CvPhotoCamera;






CV_EXPORTS
@protocol

CvPhotoCameraDelegate
<NSObject>






- (void)photoCamera:(CvPhotoCamera*)photoCamera capturedImage:(UIImage *)image;


- (void)photoCameraCancel:(CvPhotoCamera*)photoCamera;







@end







CV_EXPORTS
@interface

CvPhotoCamera
:
CvAbstractCamera



{



AVCaptureStillImageOutput *stillImageOutput;


}







@property
(nonatomic, weak) id<CvPhotoCameraDelegate> delegate;






- CV_UNUSED(takePicture);







@end