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 #pragma once 00024 00025 #include "cinder/Cinder.h" 00026 #include "cinder/Capture.h" 00027 #include "cinder/Surface.h" 00028 #include "msw/videoInput/videoInput.h" 00029 00030 namespace cinder { 00031 00032 class CaptureImplDirectShow { 00033 public: 00034 class Device; 00035 00036 CaptureImplDirectShow( int32_t width, int32_t height, const Capture::DeviceRef device ); 00037 CaptureImplDirectShow( int32_t width, int32_t height ); 00038 ~CaptureImplDirectShow(); 00039 00040 void start(); 00041 void stop(); 00042 00043 bool isCapturing(); 00044 bool checkNewFrame() const; 00045 00046 int32_t getWidth() const { return mWidth; } 00047 int32_t getHeight() const { return mHeight; } 00048 00049 Surface8u getSurface() const; 00050 00051 const Capture::DeviceRef getDevice() const { return mDevice; } 00052 00053 static const std::vector<Capture::DeviceRef>& getDevices( bool forceRefresh = false ); 00054 00055 class Device : public Capture::Device { 00056 public: 00057 bool checkAvailable() const; 00058 bool isConnected() const; 00059 Capture::DeviceIdentifier getUniqueId() const { return mUniqueId; } 00060 00061 Device( const std::string &name, int uniqueId ) : Capture::Device(), mUniqueId( uniqueId ) { mName = name; } 00062 protected: 00063 int mUniqueId; 00064 }; 00065 protected: 00066 void init( int32_t width, int32_t height, const Capture::Device &device ); 00067 00068 int mDeviceID; 00069 // this maintains a reference to the mgr so that we don't destroy it before 00070 // the last Capture is destroyed 00071 shared_ptr<class CaptureMgr> mMgrPtr; 00072 bool mIsCapturing; 00073 shared_ptr<class SurfaceCache> mSurfaceCache; 00074 00075 int32_t mWidth, mHeight; 00076 mutable Surface8u mCurrentFrame; 00077 Capture::DeviceRef mDevice; 00078 00079 static bool sDevicesEnumerated; 00080 static std::vector<Capture::DeviceRef> sDevices; 00081 }; 00082 00083 } //namespace 00084