00001 /* 00002 Copyright (c) 2010, The Barbarian Group 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that 00006 the following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and 00009 the following disclaimer. 00010 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 00011 the following disclaimer in the documentation and/or other materials provided with the distribution. 00012 00013 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 00014 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00015 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 00016 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00017 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00018 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00019 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00020 POSSIBILITY OF SUCH DAMAGE. 00021 */ 00022 00023 #include "cinder/Cinder.h" 00024 #include "cinder/Surface.h" 00025 #include "cinder/Capture.h" 00026 #import <AVFoundation/AVFoundation.h> 00027 #include <vector> 00028 00029 namespace cinder { 00030 00031 class CaptureImplAvFoundationDevice : public Capture::Device { 00032 public: 00033 CaptureImplAvFoundationDevice( AVCaptureDevice * device ); 00034 ~CaptureImplAvFoundationDevice(); 00035 00036 bool checkAvailable() const; 00037 bool isConnected() const; 00038 Capture::DeviceIdentifier getUniqueId() const { return mUniqueId; } 00039 private: 00040 Capture::DeviceIdentifier mUniqueId; 00041 AVCaptureDevice * mNativeDevice; 00042 }; 00043 00044 } //namespace 00045 00046 @interface CaptureImplAvFoundation : NSObject <AVCaptureVideoDataOutputSampleBufferDelegate> { 00047 AVCaptureSession * mSession; 00048 CVPixelBufferRef mWorkingPixelBuffer; 00049 cinder::Surface8u mCurrentFrame; 00050 NSString * mDeviceUniqueId; 00051 00052 cinder::Capture::DeviceRef mDevice; 00053 bool mHasNewFrame; 00054 bool mIsCapturing; 00055 int32_t mWidth, mHeight; 00056 int32_t mSurfaceChannelOrderCode; 00057 int32_t mExposedFrameBytesPerRow; 00058 int32_t mExposedFrameHeight; 00059 int32_t mExposedFrameWidth; 00060 } 00061 00062 + (const std::vector<cinder::Capture::DeviceRef>&)getDevices:(BOOL)forceRefresh; 00063 00064 - (id)initWithDevice:(const cinder::Capture::DeviceRef)device width:(int)width height:(int)height; 00065 - (bool)prepareStartCapture; 00066 - (void)startCapture; 00067 - (void)stopCapture; 00068 - (bool)isCapturing; 00069 - (cinder::Surface8u)getCurrentFrame; 00070 - (bool)checkNewFrame; 00071 - (const cinder::Capture::DeviceRef)getDevice; 00072 - (int32_t)getWidth; 00073 - (int32_t)getHeight; 00074 - (int32_t)getCurrentFrameBytesPerRow; 00075 - (int32_t)getCurrentFrameWidth; 00076 - (int32_t)getCurrentFrameHeight; 00077 00078 @end