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1 /*
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2 Vamp
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3
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4 An API for audio analysis and feature extraction plugins.
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5
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6 Centre for Digital Music, Queen Mary, University of London.
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7 Copyright 2006 Chris Cannam.
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8
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9 Permission is hereby granted, free of charge, to any person
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10 obtaining a copy of this software and associated documentation
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11 files (the "Software"), to deal in the Software without
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12 restriction, including without limitation the rights to use, copy,
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13 modify, merge, publish, distribute, sublicense, and/or sell copies
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14 of the Software, and to permit persons to whom the Software is
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15 furnished to do so, subject to the following conditions:
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16
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17 The above copyright notice and this permission notice shall be
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18 included in all copies or substantial portions of the Software.
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19
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20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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23 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
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24 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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25 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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27
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28 Except as contained in this notice, the names of the Centre for
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29 Digital Music; Queen Mary, University of London; and Chris Cannam
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30 shall not be used in advertising or otherwise to promote the sale,
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31 use or other dealings in this Software without prior written
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32 authorization.
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33 */
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34
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35
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36
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37 /**
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38 * This Vamp plugin is a wrapper for Python Scripts. (VamPy)
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39 * Centre for Digital Music, Queen Mary, University of London.
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40 * Copyright 2008, George Fazekas.
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41
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42 TODO: needs more complete error checking
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43 needs correct implementation of Python threading
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44 more efficient data conversion using the buffering interface or ctypes
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45 Vamp programs not implemented
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46 support multiple plugins per script in scanner
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47 ensure proper cleanup, host do a good job though
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48
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49 */
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50
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cannam@3
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51 #include <Python.h>
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52 #include "PyPlugin.h"
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53
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54 #ifdef _WIN32
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55 #define pathsep ('\\')
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56 #else
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57 #define pathsep ('/')
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58 #endif
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59
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60 //#define _DEBUG
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61
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62 using std::string;
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63 using std::vector;
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64 using std::cerr;
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65 using std::endl;
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66 using std::map;
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67
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68 // Maps to associate strings with enum values
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69 static std::map<std::string, eOutDescriptors> outKeys;
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70 static std::map<std::string, eSampleTypes> sampleKeys;
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71 static std::map<std::string, eFeatureFields> ffKeys;
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72 static std::map<std::string, p::eParmDescriptors> parmKeys;
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73
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74 Mutex PyPlugin::m_pythonInterpreterMutex;
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75 static bool isMapInitialised = false;
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76
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77 PyPlugin::PyPlugin(std::string pluginKey,float inputSampleRate, PyObject *pyInstance) :
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78 Plugin(inputSampleRate),
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79 m_pyInstance(pyInstance),
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80 m_stepSize(0),
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81 m_blockSize(0),
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82 m_channels(0),
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83 m_plugin(pluginKey),
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84 m_class(pluginKey.substr(pluginKey.rfind(':')+1,pluginKey.size()-1)),
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85 m_path((pluginKey.substr(0,pluginKey.rfind(pathsep)))),
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86 m_processType(0),
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87 m_pyProcess(NULL),
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88 m_inputDomain(TimeDomain)
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89 {
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90 }
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91
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92 PyPlugin::~PyPlugin()
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93 {
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94 Py_CLEAR(m_pyProcess);
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95 #ifdef _DEBUG
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96 cerr << "PyPlugin::PyPlugin:" << m_class
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97 << " Instance deleted." << endl;
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98 #endif
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99 }
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100
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101
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102 string
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103 PyPlugin::getIdentifier() const
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104 {
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105 MutexLocker locker(&m_pythonInterpreterMutex);
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106
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107 char method[]="getIdentifier";
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108 cerr << "[call] " << method << endl;
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109 string rString="vampy-x";
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110
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111 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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112
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113 //Call the method
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114 PyObject *pyString =
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115 PyObject_CallMethod(m_pyInstance, method, NULL);
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116
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117 //Check return value
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118 if (!PyString_Check(pyString)) {
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119 Py_CLEAR(pyString);
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120 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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121 << "] Expected String return value." << endl;
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122 return rString;
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123 }
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124
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125 rString=PyString_AsString(pyString);
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126 Py_CLEAR(pyString);
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127 return rString;
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128 }
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129 cerr << "Warning: Plugin must return a unique identifier." << endl;
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130 return rString;
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131 }
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132
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133
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134 string
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135 PyPlugin::getName() const
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136 {
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137 MutexLocker locker(&m_pythonInterpreterMutex);
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138
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139 char method[]="getName";
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140 cerr << "[call] " << method << endl;
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141 string rString="VamPy Plugin (Noname)";
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142
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143 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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144
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145 //Call the method
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146 PyObject *pyString =
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147 PyObject_CallMethod(m_pyInstance, method, NULL);
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148
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149 //Check return value
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150 if (!PyString_Check(pyString)) {
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151 Py_CLEAR(pyString);
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152 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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153 << "] Expected String return value." << endl;
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154 return rString;
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155 }
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156
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157 rString=PyString_AsString(pyString);
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158 Py_CLEAR(pyString);
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159 }
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160 return rString;
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161 }
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162
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163 string
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164 PyPlugin::getDescription() const
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165 {
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166 MutexLocker locker(&m_pythonInterpreterMutex);
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167
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168 char method[]="getDescription";
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169 cerr << "[call] " << method << endl;
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170 string rString="Not given. (Hint: Implement getDescription method.)";
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171
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172 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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173
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174 //Call the method
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175 PyObject *pyString =
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176 PyObject_CallMethod(m_pyInstance, method, NULL);
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177
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178 //Check return value
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179 if (!PyString_Check(pyString)) {
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180 Py_CLEAR(pyString);
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181 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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182 << "] Expected String return value." << endl;
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183 return rString;
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184 }
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185
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186 rString=PyString_AsString(pyString);
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187 Py_CLEAR(pyString);
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188 }
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189 return rString;
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190 }
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191
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192 string
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193 PyPlugin::getMaker() const
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194 {
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195 MutexLocker locker(&m_pythonInterpreterMutex);
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196
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197 char method[]="getMaker";
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198 cerr << "[call] " << method << endl;
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199 string rString="Generic VamPy Plugin.";
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200
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201 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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202
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203 //Call the method
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204 PyObject *pyString =
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205 PyObject_CallMethod(m_pyInstance, method, NULL);
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206
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207 //Check return value
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208 if (!PyString_Check(pyString)) {
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209 Py_CLEAR(pyString);
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210 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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211 << "] Expected String return value." << endl;
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212 return rString;
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213 }
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214
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215 rString=PyString_AsString(pyString);
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216 Py_CLEAR(pyString);
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217 }
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218 return rString;
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219 }
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220
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221 int
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222 PyPlugin::getPluginVersion() const
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223 {
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224 return 2;
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225 }
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226
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227 string
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228 PyPlugin::getCopyright() const
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229 {
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230 MutexLocker locker(&m_pythonInterpreterMutex);
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231
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232 char method[]="getCopyright";
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233 cerr << "[call] " << method << endl;
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234 string rString="BSD License";
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235
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236 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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237
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238 //Call the method
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239 PyObject *pyString =
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240 PyObject_CallMethod(m_pyInstance, method, NULL);
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241
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242 //Check return value
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243 if (!PyString_Check(pyString)) {
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244 Py_CLEAR(pyString);
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245 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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246 << "] Expected String return value." << endl;
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247 return rString;
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248 }
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249
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250
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251 rString=PyString_AsString(pyString);
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252 Py_CLEAR(pyString);
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253 }
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254 return rString;
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255 }
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256
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257
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258 bool
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259 PyPlugin::initialise(size_t channels, size_t stepSize, size_t blockSize)
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260 {
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261 //useful for debugging Python plugins
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262 char method[]="initialise";
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263 cerr << "[call] " << method << endl;
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264
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265 //placing Mutex before these calls causes deadlock
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266 if (channels < getMinChannelCount() ||
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267 channels > getMaxChannelCount()) return false;
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268
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269 m_inputDomain = getInputDomain();
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270
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271 MutexLocker locker(&m_pythonInterpreterMutex);
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272
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273 initMaps();
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274
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275 m_stepSize = stepSize;
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276 m_blockSize = blockSize;
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277 m_channels = channels;
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278
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279 //quering process implementation type
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280 char legacyMethod[]="process";
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281 char numpyMethod[]="processN";
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282
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283 if (PyObject_HasAttrString(m_pyInstance,legacyMethod) &
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284 m_processType == 0)
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285 {
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286 m_processType = legacyProcess;
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287 m_pyProcess = PyString_FromString(legacyMethod);
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288 }
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289
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290 if (PyObject_HasAttrString(m_pyInstance,numpyMethod) &
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291 m_processType == 0)
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292 {
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293 m_processType = numpyProcess;
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294 m_pyProcess = PyString_FromString(numpyMethod);
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295 }
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296
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fazekasgy@6
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297 if (!m_processType)
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298 {
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299 m_processType = not_implemented;
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300 m_pyProcess = NULL;
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301 cerr << "Warning: Python plugin [" << m_class << "::" << method
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302 << "] No process implementation found. Plugin will do nothing." << endl;
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303 }
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304
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305
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306 //Check if the method is implemented in Python else return false
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307 if (PyObject_HasAttrString(m_pyInstance,method)) {
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308
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309 PyObject *pyMethod = PyString_FromString(method);
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310 PyObject *pyChannels = PyInt_FromSsize_t((Py_ssize_t)channels);
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311 PyObject *pyStepSize = PyInt_FromSsize_t((Py_ssize_t)m_stepSize);
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312 PyObject *pyBlockSize = PyInt_FromSsize_t((Py_ssize_t)blockSize);
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313 PyObject *pyInputSampleRate = PyFloat_FromDouble((double)m_inputSampleRate);
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314
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315 //Call the method
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316 PyObject *pyBool =
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317 PyObject_CallMethodObjArgs(m_pyInstance,pyMethod,pyChannels,pyStepSize,pyBlockSize,pyInputSampleRate,NULL);
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318
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319 Py_DECREF(pyMethod);
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320 Py_DECREF(pyChannels);
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321 Py_DECREF(pyStepSize);
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322 Py_DECREF(pyBlockSize);
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323 Py_DECREF(pyInputSampleRate);
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fazekasgy@0
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324
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fazekasgy@0
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325 //Check return value
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326 if (PyErr_Occurred() || !PyBool_Check(pyBool)) {
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327 PyErr_Print(); PyErr_Clear();
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328 Py_CLEAR(pyBool);
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329 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
330 << "] Expected Bool return value." << endl;
|
fazekasgy@0
|
331 return false;
|
fazekasgy@0
|
332 }
|
fazekasgy@0
|
333
|
fazekasgy@0
|
334 if (pyBool == Py_True) {
|
fazekasgy@0
|
335 Py_CLEAR(pyBool);
|
fazekasgy@0
|
336 return true;
|
fazekasgy@0
|
337 } else {
|
fazekasgy@0
|
338 Py_CLEAR(pyBool);
|
fazekasgy@0
|
339 return false;}
|
fazekasgy@0
|
340 }
|
fazekasgy@6
|
341 return false;
|
fazekasgy@0
|
342 }
|
fazekasgy@0
|
343
|
fazekasgy@0
|
344 void
|
fazekasgy@0
|
345 PyPlugin::reset()
|
fazekasgy@0
|
346 {
|
fazekasgy@6
|
347 MutexLocker locker(&m_pythonInterpreterMutex);
|
fazekasgy@6
|
348
|
fazekasgy@6
|
349 char method[]="reset";
|
fazekasgy@6
|
350 cerr << "[call] " << method << endl;
|
fazekasgy@6
|
351
|
fazekasgy@6
|
352 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@6
|
353
|
fazekasgy@6
|
354 PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@6
|
355 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@6
|
356
|
fazekasgy@6
|
357 }
|
fazekasgy@0
|
358 }
|
fazekasgy@0
|
359
|
fazekasgy@6
|
360 PyPlugin::InputDomain PyPlugin::getInputDomain() const
|
fazekasgy@0
|
361 {
|
cannam@3
|
362 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
363
|
fazekasgy@0
|
364 char method[]="getInputDomain";
|
fazekasgy@0
|
365 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
366 PyPlugin::InputDomain rValue = TimeDomain; // TimeDomain
|
fazekasgy@0
|
367
|
fazekasgy@0
|
368 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
369
|
fazekasgy@0
|
370 PyObject *pyString = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
371
|
fazekasgy@0
|
372 //Check return value
|
fazekasgy@0
|
373 if (!PyString_Check(pyString)) {
|
fazekasgy@0
|
374 Py_CLEAR(pyString);
|
fazekasgy@0
|
375 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
376 << "] Expected String return value." << endl;
|
fazekasgy@0
|
377 return rValue;
|
fazekasgy@0
|
378 }
|
fazekasgy@0
|
379
|
fazekasgy@0
|
380 string domain = (string) PyString_AsString(pyString);
|
fazekasgy@0
|
381 if (domain == "FrequencyDomain") rValue = FrequencyDomain;
|
fazekasgy@0
|
382 Py_CLEAR(pyString);
|
fazekasgy@0
|
383 }
|
fazekasgy@0
|
384 return rValue;
|
fazekasgy@0
|
385 }
|
fazekasgy@0
|
386
|
fazekasgy@6
|
387
|
fazekasgy@0
|
388 size_t PyPlugin::getPreferredBlockSize() const
|
fazekasgy@0
|
389 {
|
cannam@3
|
390 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
391
|
fazekasgy@0
|
392 char method[]="getPreferredBlockSize";
|
fazekasgy@0
|
393 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
394 size_t rValue=0; //not set by default
|
fazekasgy@0
|
395 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
396 PyObject *pyInt = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
397
|
fazekasgy@0
|
398 //Check return value
|
fazekasgy@0
|
399 if (!PyInt_Check(pyInt)) {
|
fazekasgy@0
|
400 Py_CLEAR(pyInt);
|
fazekasgy@0
|
401 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
402 << "] Expected Integer return value." << endl;
|
fazekasgy@0
|
403 return rValue;
|
fazekasgy@0
|
404 }
|
fazekasgy@0
|
405
|
fazekasgy@0
|
406 rValue=(size_t)PyInt_AS_LONG(pyInt);
|
fazekasgy@0
|
407 Py_CLEAR(pyInt);
|
fazekasgy@0
|
408 }
|
fazekasgy@0
|
409 return rValue;
|
fazekasgy@0
|
410 }
|
fazekasgy@0
|
411
|
fazekasgy@0
|
412 //size_t PyPlugin::getPreferredStepSize() const { return 0; }
|
fazekasgy@0
|
413 size_t PyPlugin::getPreferredStepSize() const
|
fazekasgy@0
|
414 {
|
cannam@3
|
415 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
416
|
fazekasgy@0
|
417 char method[]="getPreferredStepSize";
|
fazekasgy@0
|
418 cerr << "[call] " << method << endl;
|
fazekasgy@8
|
419 size_t rValue=1024; //not set by default
|
fazekasgy@0
|
420 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
421 PyObject *pyInt = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
422
|
fazekasgy@0
|
423 //Check return value
|
fazekasgy@0
|
424 if (!PyInt_Check(pyInt)) {
|
fazekasgy@0
|
425 Py_CLEAR(pyInt);
|
fazekasgy@0
|
426 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
427 << "] Expected Integer return value." << endl;
|
fazekasgy@0
|
428 return rValue;
|
fazekasgy@0
|
429 }
|
fazekasgy@0
|
430
|
fazekasgy@0
|
431 rValue=(size_t)PyInt_AS_LONG(pyInt);
|
fazekasgy@0
|
432 Py_CLEAR(pyInt);
|
fazekasgy@0
|
433 }
|
fazekasgy@0
|
434 return rValue;
|
fazekasgy@0
|
435 }
|
fazekasgy@0
|
436
|
fazekasgy@0
|
437 size_t PyPlugin::getMinChannelCount() const
|
fazekasgy@0
|
438 {
|
cannam@3
|
439 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
440
|
fazekasgy@0
|
441 char method[]="getMinChannelCount";
|
fazekasgy@0
|
442 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
443 size_t rValue=1; //default value
|
fazekasgy@0
|
444 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
445 PyObject *pyInt = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
446
|
fazekasgy@0
|
447 //Check return value
|
fazekasgy@0
|
448 if (!PyInt_Check(pyInt)) {
|
fazekasgy@0
|
449 Py_CLEAR(pyInt);
|
fazekasgy@0
|
450 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
451 << "] Expected String return value." << endl;
|
fazekasgy@0
|
452 return rValue;
|
fazekasgy@0
|
453 }
|
fazekasgy@0
|
454
|
fazekasgy@0
|
455 rValue=(size_t)PyInt_AS_LONG(pyInt);
|
fazekasgy@0
|
456 Py_CLEAR(pyInt);
|
fazekasgy@0
|
457 }
|
fazekasgy@0
|
458 return rValue;
|
fazekasgy@0
|
459 }
|
fazekasgy@0
|
460
|
fazekasgy@0
|
461 size_t PyPlugin::getMaxChannelCount() const
|
fazekasgy@0
|
462 {
|
cannam@3
|
463 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
464
|
fazekasgy@0
|
465 char method[]="getMaxChannelCount";
|
fazekasgy@0
|
466 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
467 size_t rValue=1; //default value
|
fazekasgy@0
|
468 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
469 PyObject *pyInt = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
470
|
fazekasgy@0
|
471 //Check return value
|
fazekasgy@0
|
472 if (!PyInt_Check(pyInt)) {
|
fazekasgy@0
|
473 Py_CLEAR(pyInt);
|
fazekasgy@0
|
474 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
475 << "] Expected String return value." << endl;
|
fazekasgy@0
|
476 return rValue;
|
fazekasgy@0
|
477 }
|
fazekasgy@0
|
478
|
fazekasgy@0
|
479 rValue=(size_t)PyInt_AS_LONG(pyInt);
|
fazekasgy@0
|
480 Py_CLEAR(pyInt);
|
fazekasgy@0
|
481 }
|
fazekasgy@0
|
482 return rValue;
|
fazekasgy@0
|
483 }
|
fazekasgy@0
|
484
|
fazekasgy@0
|
485
|
fazekasgy@0
|
486 PyPlugin::OutputList
|
fazekasgy@0
|
487 PyPlugin::getOutputDescriptors() const
|
fazekasgy@0
|
488 {
|
fazekasgy@6
|
489
|
cannam@3
|
490 MutexLocker locker(&m_pythonInterpreterMutex);
|
fazekasgy@6
|
491
|
fazekasgy@0
|
492 //PyEval_AcquireThread(newThreadState);
|
fazekasgy@0
|
493 OutputList list;
|
fazekasgy@0
|
494 OutputDescriptor od;
|
fazekasgy@0
|
495 char method[]="getOutputDescriptors";
|
fazekasgy@0
|
496 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
497
|
fazekasgy@0
|
498 //Check if the method is implemented in Python
|
fazekasgy@6
|
499 if ( ! PyObject_HasAttrString(m_pyInstance,method) ) return list;
|
fazekasgy@0
|
500
|
fazekasgy@0
|
501 //Call the method: must return list object (new reference)
|
fazekasgy@0
|
502 PyObject *pyList =
|
fazekasgy@0
|
503 PyObject_CallMethod(m_pyInstance,method, NULL);
|
fazekasgy@0
|
504
|
fazekasgy@0
|
505 //Check return type
|
fazekasgy@0
|
506 if (! PyList_Check(pyList) ) {
|
fazekasgy@0
|
507 Py_CLEAR(pyList);
|
fazekasgy@0
|
508 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
509 << "] Expected List return type." << endl;
|
fazekasgy@0
|
510 return list;
|
fazekasgy@0
|
511 }
|
fazekasgy@0
|
512
|
fazekasgy@0
|
513 //These will all be borrowed references (no need to DECREF)
|
fazekasgy@0
|
514 PyObject *pyDict, *pyKey, *pyValue;
|
fazekasgy@0
|
515
|
fazekasgy@0
|
516 //Parse Output List
|
fazekasgy@0
|
517 for (Py_ssize_t i = 0; i < PyList_GET_SIZE(pyList); ++i) {
|
fazekasgy@0
|
518
|
fazekasgy@8
|
519 //Get i-th VAMP output descriptor (Borrowed Reference)
|
fazekasgy@0
|
520 pyDict = PyList_GET_ITEM(pyList,i);
|
fazekasgy@0
|
521
|
fazekasgy@0
|
522 //We only care about dictionaries holding output descriptors
|
fazekasgy@0
|
523 if ( !PyDict_Check(pyDict) ) continue;
|
fazekasgy@0
|
524
|
fazekasgy@0
|
525 Py_ssize_t pyPos = NULL;
|
fazekasgy@0
|
526 initMaps();
|
fazekasgy@0
|
527
|
fazekasgy@0
|
528 //Python Sequence Iterator
|
fazekasgy@0
|
529 while (PyDict_Next(pyDict, &pyPos, &pyKey, &pyValue))
|
fazekasgy@0
|
530 {
|
fazekasgy@0
|
531 switch (outKeys[PyString_AsString(pyKey)])
|
fazekasgy@0
|
532 {
|
fazekasgy@0
|
533 case not_found :
|
fazekasgy@8
|
534 cerr << "Unknown key in VAMP OutputDescriptor: " << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
535 break;
|
fazekasgy@0
|
536 case identifier:
|
fazekasgy@0
|
537 od.identifier = PyString_AsString(pyValue);
|
fazekasgy@0
|
538 break;
|
fazekasgy@0
|
539 case name:
|
fazekasgy@0
|
540 od.name = PyString_AsString(pyValue);
|
fazekasgy@0
|
541 break;
|
fazekasgy@0
|
542 case description:
|
fazekasgy@0
|
543 od.description = PyString_AsString(pyValue);
|
fazekasgy@0
|
544 break;
|
fazekasgy@0
|
545 case unit:
|
fazekasgy@0
|
546 od.unit = PyString_AsString(pyValue);
|
fazekasgy@0
|
547 break;
|
fazekasgy@0
|
548 case hasFixedBinCount:
|
fazekasgy@0
|
549 od.hasFixedBinCount = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
550 break;
|
fazekasgy@0
|
551 case binCount:
|
fazekasgy@0
|
552 od.binCount = (size_t) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
553 break;
|
fazekasgy@0
|
554 case binNames:
|
fazekasgy@0
|
555 od.binNames = PyList_To_StringVector(pyValue);
|
fazekasgy@0
|
556 break;
|
fazekasgy@0
|
557 case hasKnownExtents:
|
fazekasgy@0
|
558 od.hasKnownExtents = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
559 break;
|
fazekasgy@0
|
560 case minValue:
|
fazekasgy@0
|
561 od.minValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
562 break;
|
fazekasgy@0
|
563 case maxValue:
|
fazekasgy@0
|
564 od.maxValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
565 break;
|
fazekasgy@0
|
566 case isQuantized:
|
fazekasgy@0
|
567 od.isQuantized = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
568 break;
|
fazekasgy@0
|
569 case quantizeStep:
|
fazekasgy@0
|
570 od.quantizeStep = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
571 break;
|
fazekasgy@0
|
572 case sampleType:
|
fazekasgy@0
|
573 od.sampleType = (OutputDescriptor::SampleType) sampleKeys[PyString_AsString(pyValue)];
|
fazekasgy@0
|
574 break;
|
fazekasgy@0
|
575 case sampleRate:
|
fazekasgy@0
|
576 od.sampleRate = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@8
|
577 // od.sampleRate = m_inputSampleRate / m_stepSize;
|
fazekasgy@8
|
578 cerr << od.sampleRate << endl;
|
fazekasgy@0
|
579 break;
|
fazekasgy@0
|
580 default :
|
fazekasgy@8
|
581 cerr << "Invalid key in VAMP OutputDescriptor: " << PyString_AsString(pyKey) << endl;
|
fazekasgy@6
|
582 }
|
fazekasgy@6
|
583 } // while dict
|
fazekasgy@0
|
584 list.push_back(od);
|
fazekasgy@6
|
585 } // for list
|
fazekasgy@0
|
586 Py_CLEAR(pyList);
|
fazekasgy@0
|
587 return list;
|
fazekasgy@0
|
588 }
|
fazekasgy@0
|
589
|
fazekasgy@0
|
590 PyPlugin::ParameterList
|
fazekasgy@0
|
591 PyPlugin::getParameterDescriptors() const
|
fazekasgy@0
|
592 {
|
cannam@3
|
593 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
594
|
fazekasgy@0
|
595 ParameterList list;
|
fazekasgy@0
|
596 ParameterDescriptor pd;
|
fazekasgy@0
|
597 char method[]="getParameterDescriptors";
|
fazekasgy@0
|
598 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
599
|
fazekasgy@0
|
600 //Check if the method is implemented in Python
|
fazekasgy@6
|
601 if ( ! PyObject_HasAttrString(m_pyInstance,method) ) return list;
|
fazekasgy@0
|
602
|
fazekasgy@0
|
603 //Call the method: must return list object (new reference)
|
fazekasgy@0
|
604 PyObject *pyList =
|
fazekasgy@0
|
605 PyObject_CallMethod(m_pyInstance,method, NULL);
|
fazekasgy@0
|
606
|
fazekasgy@0
|
607 //Check return type
|
fazekasgy@0
|
608 if (! PyList_Check(pyList) ) {
|
fazekasgy@0
|
609 Py_CLEAR(pyList);
|
fazekasgy@0
|
610 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
611 << "] Expected List return type." << endl;
|
fazekasgy@0
|
612 return list;
|
fazekasgy@0
|
613 }
|
fazekasgy@0
|
614
|
fazekasgy@0
|
615
|
fazekasgy@0
|
616 //These will all be borrowed references (no need to DECREF)
|
fazekasgy@0
|
617 PyObject *pyDict, *pyKey, *pyValue;
|
fazekasgy@0
|
618
|
fazekasgy@0
|
619 //Parse Output List
|
fazekasgy@0
|
620 for (Py_ssize_t i = 0; i < PyList_GET_SIZE(pyList); ++i) {
|
fazekasgy@0
|
621
|
fazekasgy@8
|
622 //Get i-th VAMP output descriptor (Borrowed Reference)
|
fazekasgy@0
|
623 pyDict = PyList_GET_ITEM(pyList,i);
|
fazekasgy@0
|
624
|
fazekasgy@0
|
625 //We only care about dictionaries holding output descriptors
|
fazekasgy@0
|
626 if ( !PyDict_Check(pyDict) ) continue;
|
fazekasgy@0
|
627
|
fazekasgy@0
|
628 Py_ssize_t pyPos = NULL;
|
fazekasgy@0
|
629 initMaps();
|
fazekasgy@0
|
630
|
fazekasgy@0
|
631 //Python Sequence Iterator
|
fazekasgy@0
|
632 while (PyDict_Next(pyDict, &pyPos, &pyKey, &pyValue))
|
fazekasgy@0
|
633 {
|
fazekasgy@0
|
634 switch (parmKeys[PyString_AsString(pyKey)])
|
fazekasgy@0
|
635 {
|
fazekasgy@0
|
636 case not_found :
|
fazekasgy@8
|
637 cerr << "Unknown key in VAMP OutputDescriptor: " << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
638 break;
|
fazekasgy@0
|
639 case p::identifier:
|
fazekasgy@0
|
640 pd.identifier = PyString_AsString(pyValue);
|
fazekasgy@0
|
641 break;
|
fazekasgy@0
|
642 case p::name:
|
fazekasgy@0
|
643 pd.name = PyString_AsString(pyValue);
|
fazekasgy@0
|
644 break;
|
fazekasgy@0
|
645 case p::description:
|
fazekasgy@0
|
646 pd.description = PyString_AsString(pyValue);
|
fazekasgy@0
|
647 break;
|
fazekasgy@0
|
648 case p::unit:
|
fazekasgy@0
|
649 pd.unit = PyString_AsString(pyValue);
|
fazekasgy@0
|
650 break;
|
fazekasgy@0
|
651 case p::minValue:
|
fazekasgy@0
|
652 pd.minValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
653 break;
|
fazekasgy@0
|
654 case p::maxValue:
|
fazekasgy@0
|
655 pd.maxValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
656 break;
|
fazekasgy@0
|
657 case p::defaultValue:
|
fazekasgy@0
|
658 pd.defaultValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
659 break;
|
fazekasgy@0
|
660 case p::isQuantized:
|
fazekasgy@0
|
661 pd.isQuantized = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
662 break;
|
fazekasgy@0
|
663 default :
|
fazekasgy@8
|
664 cerr << "Invalid key in VAMP OutputDescriptor: " << PyString_AsString(pyKey) << endl;
|
fazekasgy@6
|
665 }
|
fazekasgy@6
|
666 } // while dict
|
fazekasgy@0
|
667 list.push_back(pd);
|
fazekasgy@6
|
668 } // for list
|
fazekasgy@0
|
669 Py_CLEAR(pyList);
|
fazekasgy@0
|
670 return list;
|
fazekasgy@0
|
671 }
|
fazekasgy@0
|
672
|
fazekasgy@0
|
673 void PyPlugin::setParameter(std::string paramid, float newval)
|
fazekasgy@0
|
674 {
|
cannam@3
|
675 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
676
|
fazekasgy@0
|
677 char method[]="setParameter";
|
fazekasgy@0
|
678 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
679
|
fazekasgy@0
|
680 //Check if the method is implemented in Python
|
fazekasgy@0
|
681 if (PyObject_HasAttrString(m_pyInstance,method)) {
|
fazekasgy@0
|
682
|
fazekasgy@0
|
683 PyObject *pyMethod = PyString_FromString(method);
|
fazekasgy@0
|
684 PyObject *pyParamid = PyString_FromString(paramid.c_str());
|
fazekasgy@0
|
685 PyObject *pyNewval = PyFloat_FromDouble((double)newval);
|
fazekasgy@0
|
686
|
fazekasgy@0
|
687 //Call the method
|
fazekasgy@0
|
688 PyObject *pyBool =
|
fazekasgy@0
|
689 PyObject_CallMethodObjArgs(m_pyInstance,pyMethod,pyParamid,pyNewval,NULL);
|
fazekasgy@0
|
690
|
fazekasgy@0
|
691 //This only happens if there is a syntax error or so
|
fazekasgy@0
|
692 if (pyBool == NULL) {
|
fazekasgy@0
|
693 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
694 << "] Error setting parameter: " << paramid << endl;
|
fazekasgy@0
|
695 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@0
|
696 }
|
fazekasgy@0
|
697
|
fazekasgy@0
|
698 Py_DECREF(pyMethod);
|
fazekasgy@0
|
699 Py_DECREF(pyParamid);
|
fazekasgy@0
|
700 Py_DECREF(pyNewval);
|
fazekasgy@0
|
701 }
|
fazekasgy@0
|
702 }
|
fazekasgy@0
|
703
|
fazekasgy@0
|
704 float PyPlugin::getParameter(std::string paramid) const
|
fazekasgy@0
|
705 {
|
cannam@3
|
706 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
707
|
fazekasgy@0
|
708 char method[]="getParameter";
|
fazekasgy@0
|
709 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
710 float rValue = 0.0f;
|
fazekasgy@0
|
711
|
fazekasgy@0
|
712 //Check if the method is implemented in Python
|
fazekasgy@0
|
713 if (PyObject_HasAttrString(m_pyInstance,method)) {
|
fazekasgy@0
|
714
|
fazekasgy@0
|
715 PyObject *pyMethod = PyString_FromString(method);
|
fazekasgy@0
|
716 PyObject *pyParamid = PyString_FromString(paramid.c_str());
|
fazekasgy@0
|
717
|
fazekasgy@0
|
718 //Call the method
|
fazekasgy@0
|
719 PyObject *pyFloat =
|
fazekasgy@0
|
720 PyObject_CallMethodObjArgs(m_pyInstance,pyMethod,pyParamid,NULL);
|
fazekasgy@0
|
721
|
fazekasgy@0
|
722 //Check return type
|
fazekasgy@0
|
723 if (! PyFloat_Check(pyFloat) ) {
|
fazekasgy@0
|
724 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
725 << "] Expected Float return type." << endl;
|
fazekasgy@0
|
726 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@0
|
727 Py_CLEAR(pyFloat);
|
fazekasgy@0
|
728 return rValue;
|
fazekasgy@0
|
729 }
|
fazekasgy@0
|
730
|
fazekasgy@0
|
731 rValue = (float) PyFloat_AS_DOUBLE(pyFloat);
|
fazekasgy@0
|
732
|
fazekasgy@0
|
733 Py_DECREF(pyMethod);
|
fazekasgy@0
|
734 Py_DECREF(pyParamid);
|
fazekasgy@0
|
735 Py_DECREF(pyFloat);
|
fazekasgy@0
|
736 }
|
fazekasgy@0
|
737
|
fazekasgy@0
|
738 return rValue;
|
fazekasgy@0
|
739 }
|
fazekasgy@0
|
740
|
fazekasgy@0
|
741 #ifdef _DEBUG
|
fazekasgy@0
|
742 static int proccounter = 0;
|
fazekasgy@0
|
743 #endif
|
fazekasgy@0
|
744
|
fazekasgy@0
|
745 PyPlugin::FeatureSet
|
fazekasgy@0
|
746 PyPlugin::process(const float *const *inputBuffers,
|
fazekasgy@0
|
747 Vamp::RealTime timestamp)
|
fazekasgy@0
|
748 {
|
cannam@3
|
749 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
750
|
fazekasgy@6
|
751 #ifdef _DEBUG
|
fazekasgy@6
|
752 cerr << "[call] process, frame:" << proccounter << endl;
|
fazekasgy@6
|
753 proccounter++;
|
fazekasgy@6
|
754 #endif
|
fazekasgy@6
|
755
|
fazekasgy@8
|
756 if (m_blockSize == 0 || m_channels == 0) {
|
fazekasgy@0
|
757 cerr << "ERROR: PyPlugin::process: "
|
fazekasgy@0
|
758 << "Plugin has not been initialised" << endl;
|
fazekasgy@0
|
759 return FeatureSet();
|
fazekasgy@0
|
760 }
|
fazekasgy@0
|
761
|
fazekasgy@6
|
762 if (m_processType == not_implemented) {
|
fazekasgy@6
|
763 cerr << "ERROR: In Python plugin [" << m_class
|
fazekasgy@6
|
764 << "] No process implementation found. Returning empty feature set." << endl;
|
fazekasgy@6
|
765 return FeatureSet();
|
fazekasgy@6
|
766 }
|
fazekasgy@0
|
767
|
fazekasgy@6
|
768 string method=PyString_AsString(m_pyProcess);
|
fazekasgy@6
|
769
|
fazekasgy@6
|
770 PyObject *pyOutputList = NULL;
|
fazekasgy@0
|
771
|
fazekasgy@6
|
772 /*new numPy support*/
|
fazekasgy@6
|
773 if (m_processType == numpyProcess) {
|
fazekasgy@8
|
774
|
fazekasgy@8
|
775 //create a list of buffers
|
fazekasgy@8
|
776 PyObject *pyChannelList = PyList_New((Py_ssize_t) m_channels);
|
fazekasgy@8
|
777 for (size_t i=0; i < m_channels; ++i) {
|
fazekasgy@6
|
778
|
fazekasgy@8
|
779 //Expose memory using the Buffer Interface of C/API
|
fazekasgy@8
|
780 //This will virtually pass a pointer which can be
|
fazekasgy@8
|
781 //recasted in Python code as float or complex array
|
fazekasgy@8
|
782 PyObject *pyBuffer = PyBuffer_FromMemory
|
fazekasgy@8
|
783 ((void *) (float *) inputBuffers[i],
|
fazekasgy@8
|
784 (Py_ssize_t) sizeof(float) * m_blockSize);
|
fazekasgy@6
|
785
|
fazekasgy@8
|
786 PyList_SET_ITEM(pyChannelList, (Py_ssize_t) i, pyBuffer);
|
fazekasgy@8
|
787 }
|
fazekasgy@8
|
788
|
fazekasgy@8
|
789 //pass RealTime as frameCount
|
fazekasgy@8
|
790 PyObject *pyLongSample = PyLong_FromLong (
|
fazekasgy@8
|
791 Vamp::RealTime::realTime2Frame
|
fazekasgy@8
|
792 (timestamp, (unsigned int) m_inputSampleRate));
|
fazekasgy@6
|
793
|
fazekasgy@8
|
794 //Call python process (returns new reference)
|
fazekasgy@8
|
795 pyOutputList = PyObject_CallMethodObjArgs
|
fazekasgy@8
|
796 (m_pyInstance,m_pyProcess,pyChannelList,pyLongSample,NULL);
|
fazekasgy@8
|
797
|
fazekasgy@8
|
798 Py_DECREF(pyChannelList);
|
fazekasgy@8
|
799 Py_DECREF(pyLongSample);
|
fazekasgy@6
|
800
|
fazekasgy@6
|
801 }
|
fazekasgy@6
|
802
|
fazekasgy@6
|
803 if (m_processType == legacyProcess) {
|
fazekasgy@0
|
804
|
fazekasgy@8
|
805 //create a list of lists
|
fazekasgy@8
|
806 PyObject *pyChannelList = PyList_New((Py_ssize_t) m_channels);
|
fazekasgy@8
|
807 for (size_t i=0; i < m_channels; ++i) {
|
fazekasgy@0
|
808
|
fazekasgy@8
|
809 //Declare new list object
|
fazekasgy@8
|
810 PyObject *pyFloat, *pyList;
|
fazekasgy@8
|
811 pyList = PyList_New((Py_ssize_t) m_blockSize);
|
fazekasgy@8
|
812
|
fazekasgy@8
|
813 //Pack samples into a Python List Object
|
fazekasgy@8
|
814 //pyFloat types will always be new references,
|
fazekasgy@8
|
815 //these will be discarded when the list is deallocated
|
fazekasgy@8
|
816 for (size_t j = 0; j < m_blockSize; ++j) {
|
fazekasgy@8
|
817 pyFloat=PyFloat_FromDouble(
|
fazekasgy@8
|
818 (double) inputBuffers[i][j]);
|
fazekasgy@8
|
819 PyList_SET_ITEM(pyList, (Py_ssize_t) j, pyFloat);
|
fazekasgy@8
|
820 }
|
fazekasgy@8
|
821 PyList_SET_ITEM(pyChannelList, (Py_ssize_t) i, pyList);
|
fazekasgy@8
|
822 }
|
fazekasgy@8
|
823
|
fazekasgy@8
|
824 //pass RealTime as frameCount
|
fazekasgy@8
|
825 PyObject *pyLongSample = PyLong_FromLong (
|
fazekasgy@8
|
826 Vamp::RealTime::realTime2Frame
|
fazekasgy@8
|
827 (timestamp, (unsigned int) m_inputSampleRate));
|
fazekasgy@8
|
828
|
fazekasgy@8
|
829 //Call python process (returns new reference)
|
fazekasgy@8
|
830 pyOutputList = PyObject_CallMethodObjArgs
|
fazekasgy@8
|
831 (m_pyInstance,m_pyProcess,pyChannelList,pyLongSample,NULL);
|
fazekasgy@8
|
832
|
fazekasgy@8
|
833 Py_DECREF(pyChannelList);
|
fazekasgy@8
|
834 Py_DECREF(pyLongSample);
|
fazekasgy@8
|
835
|
fazekasgy@0
|
836 }
|
fazekasgy@6
|
837
|
fazekasgy@8
|
838 //return nothing
|
fazekasgy@8
|
839 //Py_CLEAR(pyOutputList);
|
fazekasgy@8
|
840 //return FeatureSet();
|
fazekasgy@0
|
841
|
fazekasgy@0
|
842 //Check return type
|
fazekasgy@0
|
843 if (pyOutputList == NULL || !PyList_Check(pyOutputList) ) {
|
fazekasgy@0
|
844 if (pyOutputList == NULL) {
|
fazekasgy@0
|
845 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
846 << "] Unexpected result." << endl;
|
fazekasgy@0
|
847 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@0
|
848 } else {
|
fazekasgy@0
|
849 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
850 << "] Expected List return type." << endl;
|
fazekasgy@0
|
851 }
|
fazekasgy@0
|
852 Py_CLEAR(pyOutputList);
|
fazekasgy@0
|
853 return FeatureSet();
|
fazekasgy@0
|
854 }
|
fazekasgy@0
|
855
|
fazekasgy@0
|
856 // Py_DECREF(pyList);
|
fazekasgy@0
|
857 // This appears to be tracked by the cyclic garbage collector
|
fazekasgy@0
|
858 // hence decrefing produces GC error
|
fazekasgy@0
|
859 #ifdef _DEBUG
|
fazekasgy@0
|
860 cerr << "Process Returned Features" << endl;
|
fazekasgy@0
|
861 #endif
|
fazekasgy@0
|
862 // These will ALL be borrowed references
|
fazekasgy@0
|
863 PyObject *pyFeatureList, *pyDict, *pyKey, *pyValue;
|
fazekasgy@0
|
864
|
fazekasgy@0
|
865 FeatureSet returnFeatures;
|
fazekasgy@0
|
866
|
fazekasgy@0
|
867 //Parse Output List for each element (FeatureSet)
|
fazekasgy@0
|
868 for (Py_ssize_t i = 0;
|
fazekasgy@0
|
869 i < PyList_GET_SIZE(pyOutputList); ++i) {
|
fazekasgy@0
|
870 //cerr << "output (FeatureSet): " << i << endl;
|
fazekasgy@0
|
871
|
fazekasgy@0
|
872 //Get i-th FeatureList (Borrowed Reference)
|
fazekasgy@0
|
873 pyFeatureList = PyList_GET_ITEM(pyOutputList,i);
|
fazekasgy@0
|
874
|
fazekasgy@0
|
875 //Parse FeatureList for each element (Feature)
|
fazekasgy@0
|
876 for (Py_ssize_t j = 0; j < PyList_GET_SIZE(pyFeatureList); ++j) {
|
fazekasgy@0
|
877 //cerr << "element (FeatureList): " << j << endl;
|
fazekasgy@0
|
878
|
fazekasgy@0
|
879 //Get j-th Feature (Borrowed Reference)
|
fazekasgy@0
|
880 pyDict = PyList_GET_ITEM(pyFeatureList,j);
|
fazekasgy@0
|
881
|
fazekasgy@0
|
882 //We only care about dictionaries holding a Feature struct
|
fazekasgy@0
|
883 if ( !PyDict_Check(pyDict) ) continue;
|
fazekasgy@0
|
884
|
fazekasgy@0
|
885 Py_ssize_t pyPos = NULL;
|
fazekasgy@0
|
886 bool emptyFeature = true;
|
fazekasgy@0
|
887 Feature feature;
|
fazekasgy@0
|
888
|
fazekasgy@0
|
889 //process::Python Sequence Iterator for dictionary
|
fazekasgy@0
|
890 while (PyDict_Next(pyDict, &pyPos, &pyKey, &pyValue))
|
fazekasgy@0
|
891 {
|
fazekasgy@0
|
892 emptyFeature = false;
|
fazekasgy@0
|
893 switch (ffKeys[PyString_AsString(pyKey)])
|
fazekasgy@0
|
894 {
|
fazekasgy@0
|
895 case not_found :
|
fazekasgy@8
|
896 cerr << "Unknown key in VAMP FeatureSet: "
|
fazekasgy@0
|
897 << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
898 break;
|
fazekasgy@0
|
899 case hasTimestamp:
|
fazekasgy@0
|
900 feature.hasTimestamp = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
901 break;
|
fazekasgy@0
|
902 case timeStamp:
|
fazekasgy@8
|
903 feature.timestamp =
|
fazekasgy@8
|
904 Vamp::RealTime::frame2RealTime(
|
fazekasgy@8
|
905 PyLong_AsLong(pyValue),
|
fazekasgy@8
|
906 (unsigned int) m_inputSampleRate );
|
fazekasgy@8
|
907 #ifdef _DEBUG
|
fazekasgy@8
|
908 cerr << "Timestamp: "
|
fazekasgy@8
|
909 << (long)PyLong_AsLong(pyValue) << ", ->"
|
fazekasgy@8
|
910 << feature.timestamp.toString() << endl;
|
fazekasgy@8
|
911 #endif
|
fazekasgy@0
|
912 break;
|
fazekasgy@0
|
913 case values:
|
fazekasgy@0
|
914 feature.values = PyList_As_FloatVector(pyValue);
|
fazekasgy@0
|
915 break;
|
fazekasgy@0
|
916 case label:
|
fazekasgy@0
|
917 feature.label = PyString_AsString(pyValue);
|
fazekasgy@0
|
918 break;
|
fazekasgy@0
|
919 default :
|
fazekasgy@8
|
920 cerr << "Invalid key in VAMP FeatureSet: "
|
fazekasgy@0
|
921 << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
922 } // switch
|
fazekasgy@0
|
923
|
fazekasgy@0
|
924 } // while
|
fazekasgy@0
|
925 if (emptyFeature) cerr << "Warning: This feature is empty or badly formatted." << endl;
|
fazekasgy@0
|
926 else returnFeatures[i].push_back(feature);
|
fazekasgy@0
|
927
|
fazekasgy@0
|
928 }// for j = FeatureList
|
fazekasgy@0
|
929
|
fazekasgy@0
|
930 }//for i = FeatureSet
|
fazekasgy@0
|
931 Py_CLEAR(pyOutputList);
|
fazekasgy@0
|
932 return returnFeatures;
|
fazekasgy@0
|
933 }
|
fazekasgy@0
|
934
|
fazekasgy@0
|
935
|
fazekasgy@0
|
936
|
fazekasgy@0
|
937 PyPlugin::FeatureSet
|
fazekasgy@0
|
938 PyPlugin::getRemainingFeatures()
|
fazekasgy@0
|
939 {
|
cannam@3
|
940 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
941
|
fazekasgy@0
|
942 static char method[]="getRemainingFeatures";
|
fazekasgy@0
|
943 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
944
|
fazekasgy@0
|
945 //check if the method is implemented
|
fazekasgy@0
|
946 if ( ! PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
947 return FeatureSet();
|
fazekasgy@0
|
948 }
|
fazekasgy@0
|
949
|
fazekasgy@0
|
950 PyObject *pyMethod = PyString_FromString(method);
|
fazekasgy@0
|
951
|
fazekasgy@0
|
952 PyObject *pyOutputList =
|
fazekasgy@0
|
953 PyObject_CallMethod(m_pyInstance,method, NULL);
|
fazekasgy@0
|
954
|
fazekasgy@0
|
955 //Check return type
|
fazekasgy@0
|
956 if (pyOutputList == NULL || !PyList_Check(pyOutputList) ) {
|
fazekasgy@0
|
957 if (pyOutputList == NULL) {
|
fazekasgy@0
|
958 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
959 << "] Unexpected result." << endl;
|
fazekasgy@0
|
960 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@0
|
961 } else {
|
fazekasgy@0
|
962 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
963 << "] Expected List return type." << endl;
|
fazekasgy@0
|
964 }
|
fazekasgy@0
|
965 Py_CLEAR(pyMethod);
|
fazekasgy@0
|
966 Py_CLEAR(pyOutputList);
|
fazekasgy@0
|
967 return FeatureSet();
|
fazekasgy@0
|
968 }
|
fazekasgy@0
|
969 Py_DECREF(pyMethod);
|
fazekasgy@0
|
970
|
fazekasgy@0
|
971 PyObject *pyFeatureList, *pyDict, *pyKey, *pyValue;
|
fazekasgy@0
|
972 FeatureSet returnFeatures;
|
fazekasgy@8
|
973
|
fazekasgy@8
|
974 //iterate through list of outputs
|
fazekasgy@0
|
975 for (Py_ssize_t i = 0; i < PyList_GET_SIZE(pyOutputList); ++i) {
|
fazekasgy@0
|
976
|
fazekasgy@0
|
977 pyFeatureList = PyList_GET_ITEM(pyOutputList,i);
|
fazekasgy@0
|
978
|
fazekasgy@8
|
979 //iterate list of Features
|
fazekasgy@0
|
980 for (Py_ssize_t j = 0; j < PyList_GET_SIZE(pyFeatureList); ++j) {
|
fazekasgy@8
|
981 #ifdef _DEBUG
|
fazekasgy@8
|
982 cerr << "feature: " << j << endl;
|
fazekasgy@8
|
983 #endif
|
fazekasgy@0
|
984 pyDict = PyList_GET_ITEM(pyFeatureList,j);
|
fazekasgy@0
|
985
|
fazekasgy@0
|
986 if ( !PyDict_Check(pyDict) ) continue;
|
fazekasgy@0
|
987
|
fazekasgy@0
|
988 Py_ssize_t pyPos = NULL;
|
fazekasgy@0
|
989 bool emptyFeature = true;
|
fazekasgy@0
|
990 Feature feature;
|
fazekasgy@0
|
991
|
fazekasgy@0
|
992 while (PyDict_Next(pyDict, &pyPos, &pyKey, &pyValue))
|
fazekasgy@0
|
993 {
|
fazekasgy@0
|
994 emptyFeature = false;
|
fazekasgy@0
|
995 switch (ffKeys[PyString_AsString(pyKey)])
|
fazekasgy@0
|
996 {
|
fazekasgy@0
|
997 case not_found :
|
fazekasgy@8
|
998 cerr << "Unknown key in VAMP FeatureSet: "
|
fazekasgy@0
|
999 << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
1000 break;
|
fazekasgy@0
|
1001 case hasTimestamp:
|
fazekasgy@0
|
1002 feature.hasTimestamp = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
1003 break;
|
fazekasgy@0
|
1004 case timeStamp:
|
fazekasgy@0
|
1005 feature.timestamp =
|
fazekasgy@8
|
1006 Vamp::RealTime::frame2RealTime(
|
fazekasgy@8
|
1007 PyLong_AsLong(pyValue),
|
fazekasgy@8
|
1008 (unsigned int) m_inputSampleRate );
|
fazekasgy@8
|
1009 #ifdef _DEBUG
|
fazekasgy@8
|
1010 cerr << "Timestamp: "
|
fazekasgy@8
|
1011 << (long)PyLong_AsLong(pyValue) << ", ->"
|
fazekasgy@8
|
1012 << feature.timestamp.toString() << endl;
|
fazekasgy@8
|
1013 #endif
|
fazekasgy@0
|
1014 break;
|
fazekasgy@0
|
1015 case values:
|
fazekasgy@0
|
1016 feature.values = PyList_As_FloatVector(pyValue);
|
fazekasgy@0
|
1017 break;
|
fazekasgy@0
|
1018 case label:
|
fazekasgy@0
|
1019 feature.label = PyString_AsString(pyValue);
|
fazekasgy@0
|
1020 break;
|
fazekasgy@0
|
1021 } // switch
|
fazekasgy@0
|
1022 } // while
|
fazekasgy@0
|
1023 if (emptyFeature) cerr << "Warning: This feature is empty or badly formatted." << endl;
|
fazekasgy@0
|
1024 else returnFeatures[i].push_back(feature);
|
fazekasgy@0
|
1025 }// for j
|
fazekasgy@0
|
1026 }//for i
|
fazekasgy@0
|
1027 Py_CLEAR(pyOutputList);
|
fazekasgy@0
|
1028 return returnFeatures;
|
fazekasgy@0
|
1029 }
|
fazekasgy@0
|
1030
|
fazekasgy@6
|
1031 bool
|
fazekasgy@6
|
1032 PyPlugin::initMaps() const
|
fazekasgy@6
|
1033 {
|
fazekasgy@6
|
1034
|
fazekasgy@6
|
1035 if (isMapInitialised) return true;
|
fazekasgy@6
|
1036
|
fazekasgy@6
|
1037 outKeys["identifier"] = identifier;
|
fazekasgy@6
|
1038 outKeys["name"] = name;
|
fazekasgy@6
|
1039 outKeys["description"] = description;
|
fazekasgy@6
|
1040 outKeys["unit"] = unit;
|
fazekasgy@6
|
1041 outKeys["hasFixedBinCount"] = hasFixedBinCount;
|
fazekasgy@6
|
1042 outKeys["binCount"] = binCount;
|
fazekasgy@6
|
1043 outKeys["binNames"] = binNames;
|
fazekasgy@6
|
1044 outKeys["hasKnownExtents"] = hasKnownExtents;
|
fazekasgy@6
|
1045 outKeys["minValue"] = minValue;
|
fazekasgy@6
|
1046 outKeys["maxValue"] = maxValue;
|
fazekasgy@6
|
1047 outKeys["isQuantized"] = isQuantized;
|
fazekasgy@6
|
1048 outKeys["quantizeStep"] = quantizeStep;
|
fazekasgy@6
|
1049 outKeys["sampleType"] = sampleType;
|
fazekasgy@6
|
1050 outKeys["sampleRate"] = sampleRate;
|
fazekasgy@6
|
1051
|
fazekasgy@6
|
1052 sampleKeys["OneSamplePerStep"] = OneSamplePerStep;
|
fazekasgy@6
|
1053 sampleKeys["FixedSampleRate"] = FixedSampleRate;
|
fazekasgy@6
|
1054 sampleKeys["VariableSampleRate"] = VariableSampleRate;
|
fazekasgy@6
|
1055
|
fazekasgy@6
|
1056 ffKeys["hasTimestamp"] = hasTimestamp;
|
fazekasgy@6
|
1057 ffKeys["timeStamp"] = timeStamp;
|
fazekasgy@6
|
1058 ffKeys["values"] = values;
|
fazekasgy@6
|
1059 ffKeys["label"] = label;
|
fazekasgy@6
|
1060
|
fazekasgy@6
|
1061 parmKeys["identifier"] = p::identifier;
|
fazekasgy@6
|
1062 parmKeys["name"] = p::name;
|
fazekasgy@6
|
1063 parmKeys["description"] = p::description;
|
fazekasgy@6
|
1064 parmKeys["unit"] = p::unit;
|
fazekasgy@6
|
1065 parmKeys["minValue"] = p::minValue;
|
fazekasgy@6
|
1066 parmKeys["maxValue"] = p::maxValue;
|
fazekasgy@6
|
1067 parmKeys["defaultValue"] = p::defaultValue;
|
fazekasgy@6
|
1068 parmKeys["isQuantized"] = p::isQuantized;
|
fazekasgy@6
|
1069
|
fazekasgy@6
|
1070 isMapInitialised = true;
|
fazekasgy@6
|
1071 return true;
|
fazekasgy@6
|
1072 }
|
fazekasgy@6
|
1073
|
fazekasgy@6
|
1074
|
fazekasgy@6
|
1075 //missing API helper: convert Python list to C++ vector of strings
|
fazekasgy@6
|
1076 //TODO: these could be templates if we need more of this kind
|
fazekasgy@6
|
1077 std::vector<std::string>
|
fazekasgy@6
|
1078 PyPlugin::PyList_To_StringVector (PyObject *inputList) const {
|
fazekasgy@6
|
1079
|
fazekasgy@6
|
1080 std::vector<std::string> Output;
|
fazekasgy@6
|
1081 std::string ListElement;
|
fazekasgy@6
|
1082 PyObject *pyString = NULL;
|
fazekasgy@6
|
1083
|
fazekasgy@6
|
1084 if (!PyList_Check(inputList)) return Output;
|
fazekasgy@6
|
1085
|
fazekasgy@6
|
1086 for (Py_ssize_t i = 0; i < PyList_GET_SIZE(inputList); ++i) {
|
fazekasgy@6
|
1087 //Get next list item (Borrowed Reference)
|
fazekasgy@6
|
1088 pyString = PyList_GET_ITEM(inputList,i);
|
fazekasgy@6
|
1089 ListElement = (string) PyString_AsString(PyObject_Str(pyString));
|
fazekasgy@6
|
1090 Output.push_back(ListElement);
|
fazekasgy@6
|
1091 }
|
fazekasgy@6
|
1092 return Output;
|
fazekasgy@6
|
1093 }
|
fazekasgy@6
|
1094
|
fazekasgy@6
|
1095 //missing API helper: convert Python list to C++ vector of floats
|
fazekasgy@6
|
1096 std::vector<float>
|
fazekasgy@6
|
1097 PyPlugin::PyList_As_FloatVector (PyObject *inputList) const {
|
fazekasgy@6
|
1098
|
fazekasgy@6
|
1099 std::vector<float> Output;
|
fazekasgy@6
|
1100 float ListElement;
|
fazekasgy@6
|
1101 PyObject *pyFloat = NULL;
|
fazekasgy@6
|
1102
|
fazekasgy@6
|
1103 if (!PyList_Check(inputList)) return Output;
|
fazekasgy@6
|
1104
|
fazekasgy@6
|
1105 for (Py_ssize_t k = 0; k < PyList_GET_SIZE(inputList); ++k) {
|
fazekasgy@6
|
1106 //Get next list item (Borrowed Reference)
|
fazekasgy@6
|
1107 pyFloat = PyList_GET_ITEM(inputList,k);
|
fazekasgy@6
|
1108 ListElement = (float) PyFloat_AS_DOUBLE(pyFloat);
|
fazekasgy@8
|
1109 #ifdef _DEBUG
|
fazekasgy@8
|
1110 cerr << "value: " << ListElement << endl;
|
fazekasgy@8
|
1111 #endif
|
fazekasgy@6
|
1112 Output.push_back(ListElement);
|
fazekasgy@6
|
1113 }
|
fazekasgy@6
|
1114
|
fazekasgy@6
|
1115 return Output;
|
fazekasgy@6
|
1116 }
|
fazekasgy@6
|
1117
|
fazekasgy@6
|
1118 /* TODO: find out why this produces error, also
|
fazekasgy@6
|
1119 do sg more clever about handling RealTime
|
fazekasgy@6
|
1120 Vamp::RealTime
|
fazekasgy@6
|
1121 PyFrame_As_RealTime (PyObject *frameNo,size_t inputSampleRate) {
|
fazekasgy@6
|
1122 Vamp::RealTime result =
|
fazekasgy@6
|
1123 Vamp::RealTime::frame2RealTime((size_t)PyInt_AS_LONG(frameNo), inputSampleRate);
|
fazekasgy@6
|
1124 return result;
|
fazekasgy@6
|
1125 }
|
fazekasgy@6
|
1126 */
|
fazekasgy@6
|
1127
|