Node.cxx
Go to the documentation of this file.00001 /* ======================================================================== 00002 * Copyright (C) 2005 Graz University of Technology 00003 * 00004 * This framework is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This framework is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this framework; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 * 00018 * For further information please contact Denis Kalkofen under 00019 * <kalkofen@icg.tu-graz.ac.at> or write to Denis Kalkofen, 00020 * Graz University of Technology, Inffeldgasse 16a, A8010 Graz, 00021 * Austria. 00022 * ======================================================================== 00023 * PROJECT: OpenVideo 00024 * ======================================================================== */ 00033 #include <openvideo/Node.h> 00034 #include <openvideo/State.h> 00035 00036 using namespace openvideo; 00037 00038 // constructor 00039 Node::Node() 00040 { 00041 name=""; 00042 curInDegree=0; 00043 curOutDegree=0; 00044 state=NULL; 00045 curPixelFormat=PIXEL_FORMAT(FORMAT_UNKNOWN); 00046 } 00047 00048 // destructor 00049 00050 Node::~Node() 00051 { 00052 if(state) 00053 delete state; 00054 } 00055 00056 State* 00057 Node::getState() 00058 { 00059 return state; 00060 } 00061 00062 bool 00063 Node::setParameter(std::string key, std::string value) 00064 { 00065 if(key=="name"){ 00066 name=value; 00067 return true; 00068 } 00069 else if(key=="DEF"){ 00070 defName=value; 00071 return true; 00072 } 00073 else if(key=="pixelformat"){ 00074 curPixelFormat= PixelFormat::StringToFormat(value); 00075 return true; 00076 } 00077 00078 00079 return false; 00080 } 00081 00082 bool 00083 Node::validateCurrentPixelFormat() 00084 { 00085 for(int i=0;i<(int)pixelFormats.size();i++) 00086 { 00087 if(pixelFormats.at(i)==curPixelFormat) 00088 return true; 00089 } 00090 00091 return false; 00092 } 00093 00094 const char* 00095 Node::getName() 00096 { 00097 return this->name.c_str(); 00098 } 00099 00100 void 00101 Node::init() 00102 { 00103 } 00104 00105 void 00106 Node::start() 00107 { 00108 } 00109 00110 void 00111 Node::stop() 00112 { 00113 } 00114 00115 void 00116 Node::process() 00117 { 00118 } 00119 00120 void 00121 Node::postProcess( ) 00122 { 00123 } 00124 00125 void 00126 Node::preProcess( ) 00127 { 00128 } 00129 00130 const char* 00131 Node::getDefName() 00132 { 00133 return defName.c_str(); 00134 } 00135 00136 std::vector<Node*>* 00137 Node::getOutputs() 00138 { 00139 return &(this->outputs); 00140 } 00141 00142 std::vector<Node*>* 00143 Node::getInputs() 00144 { 00145 return &(this->inputs); 00146 } 00147 void 00148 Node::addOutput( Node * output) 00149 { 00150 this->outputs.push_back(output); 00151 this->curOutDegree++; 00152 } 00153 00154 void 00155 Node::addInput( Node * inputs) 00156 { 00157 this->inputs.push_back(inputs); 00158 curInDegree++; 00159 } 00160 int 00161 Node::getCurInDegree() 00162 { 00163 return curInDegree; 00164 } 00165 00166 int 00167 Node::getInDegree() 00168 { 00169 return (int)inputs.size(); 00170 } 00171 00172 int 00173 Node::getOutDegree() 00174 { 00175 return (int)outputs.size(); 00176 } 00177 00178 int 00179 Node::getCurOutDegree() 00180 { 00181 return this->curOutDegree; 00182 } 00183 00184 void 00185 Node::resetCurInOutDegree() 00186 { 00187 this->curInDegree=(int)inputs.size(); 00188 this->curOutDegree=(int)outputs.size(); 00189 } 00190 00191 void 00192 Node::decCurOutDegree() 00193 { 00194 this->curOutDegree--; 00195 } 00196 00197 void 00198 Node::decCurInDegree() 00199 { 00200 this->curInDegree--; 00201 }