jaus++/2.0/include/jaus/extras/video/sharedimage.h
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00001 00002 00003 00004 00005 00006 00007 00008 00009 00010 00011 00012 00013 00014 00015 00016 00017 00018 00019 00020 00021 00022 00023 00024 00025 00026 00027 00028 00029 00030 00031 00032 00033 00034 00035 00036 00037 00038 00039 00040 00041 00042 #ifndef __JAUS_EXTRAS_SHARED_IMAGE_H 00043 #define __JAUS_EXTRAS_SHARED_IMAGE_H 00044 00045 #include <cxutils/ipc/mappedmemory.h> 00046 #include <cxutils/thread.h> 00047 #include <cxutils/images/image.h> 00048 #include "jaus/core/address.h" 00049 #include "jaus/extras/jausextrasdll.h" 00050 00051 namespace JAUS 00052 { 00053 typedef CxUtils::Image Image; 00054 00077 class JAUS_EXTRAS_DLL SharedImage 00078 { 00079 public: 00080 SharedImage(); 00081 ~SharedImage(); 00082 int CreateSharedImage(const Address& src, 00083 const Byte cameraID, 00084 const unsigned int size = 2097152); 00085 int OpenSharedImage(const Address& src, const Byte cameraID); 00086 int CloseSharedImage(); 00087 int RegisterCallback(void (*func)(const Address& src, 00088 const Byte cameraID, 00089 const Image& img, 00090 const unsigned int frameNumber, 00091 void* args), 00092 void *fargs); 00093 int ClearCallback(); 00094 int GetFrame(Image& img) const; 00095 int GetFrame(unsigned char*& image, 00096 unsigned int& size, 00097 unsigned int& width, 00098 unsigned int& height, 00099 unsigned char& channels, 00100 unsigned int& frameNumber) const; 00101 int SetFrame(const unsigned char* rawImage, 00102 const unsigned int width, 00103 const unsigned int height, 00104 const unsigned char channels, 00105 const unsigned int frameNumber); 00106 UInt GetFrameNumber() const; 00107 unsigned int GetBufferSize() const { return mImageBuffer->Size(); } 00108 bool IsOpen() const; 00109 bool IsActive(const unsigned int timeout = 1000) const; 00110 inline Address GetSourceID() const { return mSourceID; } 00111 inline Byte GetCameraID() const { return mCameraID; } 00112 protected: 00113 static void SharedImageUpdate(void *args); 00114 Address mSourceID; 00115 Byte mCameraID; 00116 bool mWriteFlag; 00117 Image mTempImage; 00118 CxUtils::MappedMemory mImageBuffer; 00119 CxUtils::Thread mCallbackThread; 00120 CxUtils::Mutex mCallbackMutex; 00121 void (*mpCallback)(const Address& src, 00122 const Byte cameraID, 00123 const CxUtils::Image& img, 00124 const unsigned int frameNumber, 00125 void *args); 00126 void *mpCallbackArgs; 00127 bool mExitFlag; 00128 }; 00129 } 00130 00131 #endif 00132 /* End of File */
