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