root / rgbdslam / external / siftgpu / src / ServerSiftGPU / ServerSiftGPU.h @ 9240aaa3
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////////////////////////////////////////////////////////////////////////////
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// File: ServerSiftGPu.h
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// Author: Changchang Wu
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// Description : interface for the ServerSiftGPU class.
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// It starts a SiftGPU server in a new process
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// or connects to an existing server.
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//
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// Copyright (c) 2007 University of North Carolina at Chapel Hill
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// All Rights Reserved
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//
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// Permission to use, copy, modify and distribute this software and its
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// documentation for educational, research and non-profit purposes, without
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// fee, and without a written agreement is hereby granted, provided that the
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// above copyright notice and the following paragraph appear in all copies.
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//
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// The University of North Carolina at Chapel Hill make no representations
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// about the suitability of this software for any purpose. It is provided
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// 'as is' without express or implied warranty.
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//
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// Please send BUG REPORTS to ccwu@cs.unc.edu
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//
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////////////////////////////////////////////////////////////////////////////
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#ifndef GPU_SIFT_SERVER_H
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#define GPU_SIFT_SERVER_H
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class ComboSiftGPU; |
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class LiteWindow; |
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/////////////////////////////////////////////////////////////////////////////
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//ServerSiftGPU::ServerSiftGPU(int port, char* remote_server)
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//Run SiftGPU/SiftMatchGPU computation on a remote computer/process
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//if( remote_server == NULL)
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// a local server is created in a different process and connects to it
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// multiple-GPU can be used by creating multiple instances
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// GPU selection done through ParseParam function
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//otherwise,
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// Assumes the existenc of a remote server and connects to it
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// GPU selection is done on the server-end when create the server by running
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// server_siftgpu -server port [siftgpu_param]
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/////////////////////////////////////////////////////////////////////////////
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class ServerSiftGPU: public ComboSiftGPU |
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{ |
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enum
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{ |
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COMMAND_NONE= 0,
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COMMAND_EXIT= 1,
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COMMAND_DISCONNECT, |
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///////////////////////////////
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COMMAND_INITIALIZE, |
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COMMAND_ALLOCATE_PYRAMID, |
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COMMAND_RUNSIFT, |
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COMMAND_RUNSIFT_FILE, |
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COMMAND_RUNSIFT_KEY, |
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COMMAND_RUNSIFT_DATA, |
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COMMAND_SAVE_SIFT, |
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COMMAND_SET_MAX_DIMENSION, |
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COMMAND_SET_KEYPOINT, |
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COMMAND_GET_FEATURE_COUNT, |
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COMMAND_SET_TIGHTPYRAMID, |
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COMMAND_GET_KEY_VECTOR, |
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COMMAND_GET_DES_VECTOR, |
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COMMAND_PARSE_PARAM, |
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/////////////////////////////////
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COMMAND_MATCH_INITIALIZE, |
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COMMAND_MATCH_SET_LANGUAGE, |
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COMMAND_MATCH_SET_DES_FLOAT, |
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COMMAND_MATCH_SET_DES_BYTE, |
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COMMAND_MATCH_SET_MAXSIFT, |
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COMMAND_MATCH_GET_MATCH, |
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///////////////////////////////
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DEFAULT_PORT = 7777
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}; |
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private:
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#ifdef _WIN64
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unsigned __int64 _socketfd;
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#else
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int _socketfd;
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#endif
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int _port;
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int _connected;
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char _server_name[1024]; |
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private:
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void SetParamSiftGPU(int argc, char** argv); |
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int InitializeConnection(int argc, char** argv); |
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int StartServerProcess(int argc, char** argv); |
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int ConnectServer(const char* server_name, int port); |
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void Disconnect();
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static int InitSocket(); |
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static int GetPixelSizeGL(unsigned int gl_format, unsigned int gl_type); |
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static void ServerLoop(int port, int argc, char** argv); |
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public:
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//two options : multi-threading or multi-processing
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SIFTGPU_EXPORT ServerSiftGPU(int port = DEFAULT_PORT, char* remote_server = NULL); |
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virtual ~ServerSiftGPU(); |
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////////////////////////////////////////
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virtual void ParseParam(int argc, char **argv); |
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virtual int VerifyContextGL();
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////////////////////////////////////////////////////////////////////////
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//available SiftGPU functions are the following:
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virtual int RunSIFT(const char * imgpath); |
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virtual int RunSIFT();
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//note the difference with class SiftGPU for the function below,
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//you have to provide the number of bytes of the data.
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virtual int RunSIFT(int width, int height, const void * data, unsigned int gl_format, unsigned int gl_type); |
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virtual int RunSIFT(int num, const SiftGPU::SiftKeypoint * keys, int keys_have_orientation = 1); |
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virtual int AllocatePyramid(int width, int height); |
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/////////////////////////////////////////////////////////////////////
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virtual int GetFeatureNum();
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virtual void SetTightPyramid(int tight = 1); |
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virtual void SetMaxDimension(int sz); |
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virtual void GetFeatureVector(SiftGPU::SiftKeypoint * keys, float * descriptors); |
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virtual void SetKeypointList(int num, const SiftGPU::SiftKeypoint * keys, int keys_have_orientation = 1); |
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/////////////////////////////////////////////////////////////////////////////
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//the following functions do not block in multi-process mode
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//for example, SaveSIFT will return before the file is written
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virtual void SaveSIFT(const char * szFileName); |
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//simplified functions
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int GetImageCount(){return 1;} |
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int CreateContextGL(){return VerifyContextGL();} |
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int IsFullSupported(){return VerifyContextGL() == SiftGPU::SIFTGPU_FULL_SUPPORTED;} |
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int RunSIFT(int index) {return RunSIFT();} |
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////////////////////////
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public:
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virtual int _CreateContextGL() {return _VerifyContextGL();} |
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virtual int _VerifyContextGL();
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virtual void SetLanguage(int gpu_language); |
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virtual void SetDeviceParam(int argc, char**argv); |
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virtual void SetMaxSift(int max_sift); |
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virtual void SetDescriptors(int index, int num, const float* descriptors, int id = -1); |
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virtual void SetDescriptors(int index, int num, const unsigned char * descriptors, int id = -1); |
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virtual int GetSiftMatch(int max_match, int match_buffer[][2], //buffeture indices |
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float distmax, float ratiomax, int mutual_best_match); // |
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public:
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//////////////////////////////////////////////////////
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//Some SiftGPU functions are not supported
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void SetImageList(int nimage, const char** filelist) {} |
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void SetVerbose(){}
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///Guided matching is not supported here, not hard to implement yourself
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virtual void SetFeautreLocation(int index, const float* locations, int gap) {return ;} |
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virtual int GetGuidedSiftMatch(int max_match, int match_buffer[][2], float H[3][3],float F[3][3], |
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float distmax, float ratiomax, float hdistmax, float fdistmax, int mutual_best_match) {return 0; } |
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friend void RunServerLoop(int port, int argc, char** argv); |
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}; |
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#endif
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