Cinder

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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 <QTKit/QTKit.h>
00027 #include <vector>
00028 
00029 
00030 namespace cinder {
00031 
00032 class CaptureImplQtKitDevice : public Capture::Device {
00033   public:
00034     CaptureImplQtKitDevice( QTCaptureDevice* device );
00035     ~CaptureImplQtKitDevice() {}
00036     
00037     bool                        checkAvailable() const;
00038     bool                        isConnected() const;
00039     Capture::DeviceIdentifier   getUniqueId() const { return mUniqueId; }
00040     void*                       getNative() const { return mDevice; }
00041   private:
00042     Capture::DeviceIdentifier   mUniqueId;
00043     QTCaptureDevice*            mDevice;
00044 };
00045 
00046 } //namespace
00047 
00048 @interface CaptureImplQtKit : NSObject {
00049     bool                                mIsCapturing;
00050     QTCaptureSession                    *mCaptureSession;
00051     QTCaptureDecompressedVideoOutput    *mCaptureDecompressedOutput;
00052     QTCaptureDeviceInput                *mCaptureDeviceInput;
00053     
00054     CVPixelBufferRef                mWorkingPixelBuffer;
00055     cinder::Surface8u               mCurrentFrame;
00056     int32_t                         mWidth, mHeight;
00057     cinder::SurfaceChannelOrder     mSurfaceChannelOrderCode;
00058     NSString                        * mDeviceUniqueId;
00059     int32_t                         mExposedFrameBytesPerRow;
00060     int32_t                         mExposedFrameHeight;
00061     int32_t                         mExposedFrameWidth;
00062     bool                            mHasNewFrame;
00063     cinder::Capture::DeviceRef      mDevice;
00064 }
00065 
00066 + (const std::vector<cinder::Capture::DeviceRef>&)getDevices:(BOOL)forceRefresh;
00067 
00068 - (id)initWithDevice:(const cinder::Capture::DeviceRef)device width:(int)width height:(int)height;
00069 - (void)prepareStartCapture;
00070 - (void)startCapture;
00071 - (void)stopCapture;
00072 - (bool)isCapturing;
00073 - (cinder::Surface8u)getCurrentFrame;
00074 - (bool)checkNewFrame;
00075 - (const cinder::Capture::DeviceRef)getDevice;
00076 - (int32_t)getWidth;
00077 - (int32_t)getHeight;
00078 - (int32_t)getCurrentFrameBytesPerRow;
00079 - (int32_t)getCurrentFrameWidth;
00080 - (int32_t)getCurrentFrameHeight;
00081 
00082 @end