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1 /* -*- c-basic-offset: 8 indent-tabs-mode: t -*- */
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2 /*
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3 Vamp
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4
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5 An API for audio analysis and feature extraction plugins.
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6
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7 Centre for Digital Music, Queen Mary, University of London.
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8 Copyright 2006 Chris Cannam.
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9
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10 Permission is hereby granted, free of charge, to any person
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11 obtaining a copy of this software and associated documentation
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12 files (the "Software"), to deal in the Software without
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13 restriction, including without limitation the rights to use, copy,
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14 modify, merge, publish, distribute, sublicense, and/or sell copies
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15 of the Software, and to permit persons to whom the Software is
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16 furnished to do so, subject to the following conditions:
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17
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18 The above copyright notice and this permission notice shall be
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19 included in all copies or substantial portions of the Software.
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20
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21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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22 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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23 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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24 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
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25 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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26 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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27 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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28
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29 Except as contained in this notice, the names of the Centre for
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30 Digital Music; Queen Mary, University of London; and Chris Cannam
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31 shall not be used in advertising or otherwise to promote the sale,
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32 use or other dealings in this Software without prior written
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33 authorization.
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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 /**
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39 * This Vamp plugin is a wrapper for Python Scripts. (VamPy)
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40 * Centre for Digital Music, Queen Mary, University of London.
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41 * Copyright 2008, George Fazekas.
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42
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43 TODO: needs more complete error checking
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44 needs correct implementation of Python threading
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45 more efficient data conversion using the buffering interface or ctypes
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46 Vamp programs not implemented
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47 support multiple plugins per script in scanner
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48 ensure proper cleanup, host do a good job though
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49
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50 */
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51
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cannam@3
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52 #include <Python.h>
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53 #include "PyPlugin.h"
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54
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55 #ifdef _WIN32
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56 #define pathsep ('\\')
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57 #else
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58 #define pathsep ('/')
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59 #endif
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60
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61 //#define _DEBUG
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62
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63 using std::string;
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64 using std::vector;
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65 using std::cerr;
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66 using std::endl;
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67 using std::map;
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68
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69 // Maps to associate strings with enum values
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70 static std::map<std::string, o::eOutDescriptors> outKeys;
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71 static std::map<std::string, eSampleTypes> sampleKeys;
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72 static std::map<std::string, eFeatureFields> ffKeys;
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73 static std::map<std::string, p::eParmDescriptors> parmKeys;
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74
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75 Mutex PyPlugin::m_pythonInterpreterMutex;
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76 static bool isMapInitialised = false;
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77
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78 PyPlugin::PyPlugin(std::string pluginKey, float inputSampleRate, PyObject *pyClass) :
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79 Plugin(inputSampleRate),
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80 m_pyClass(pyClass),
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81 m_stepSize(0),
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82 m_blockSize(0),
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83 m_channels(0),
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84 m_plugin(pluginKey),
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85 m_class(pluginKey.substr(pluginKey.rfind(':')+1,pluginKey.size()-1)),
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86 m_path((pluginKey.substr(0,pluginKey.rfind(pathsep)))),
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87 m_processType(0),
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88 m_pyProcess(NULL),
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89 m_inputDomain(TimeDomain)
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90 {
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91 // Create an instance
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92 MutexLocker locker(&m_pythonInterpreterMutex);
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93 Py_INCREF(m_pyClass);
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94 PyObject *pyInputSampleRate = PyFloat_FromDouble(inputSampleRate);
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95 PyObject *args = PyTuple_Pack(1, pyInputSampleRate);
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96 m_pyInstance = PyObject_Call(m_pyClass, args, NULL);
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97
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98 if (!m_pyInstance || PyErr_Occurred()) {
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99 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
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100 Py_DECREF(m_pyClass);
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101 Py_CLEAR(args);
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102 Py_CLEAR(pyInputSampleRate);
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103 cerr << "PyPlugin::PyPlugin: Failed to create Python plugin instance for key \"" << pluginKey << "\" (is the 1-arg class constructor from sample rate correctly provided?)" << endl;
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104 throw std::string("Constructor failed");
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105 }
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106 Py_INCREF(m_pyInstance);
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107 Py_DECREF(args);
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108 Py_DECREF(pyInputSampleRate);
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109
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110 }
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111
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112 PyPlugin::~PyPlugin()
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113 {
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114 if (m_pyInstance) Py_DECREF(m_pyInstance);
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115 if (m_pyClass) Py_DECREF(m_pyClass);
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116 if (m_pyProcess) Py_CLEAR(m_pyProcess);
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117
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118 #ifdef _DEBUG
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119 cerr << "PyPlugin::PyPlugin:" << m_class
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120 << " Instance deleted." << endl;
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121 #endif
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122 }
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123
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124
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125 string
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126 PyPlugin::getIdentifier() const
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127 {
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128 MutexLocker locker(&m_pythonInterpreterMutex);
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129
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130 char method[]="getIdentifier";
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131 cerr << "[call] " << method << endl;
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132 string rString="vampy-x";
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133
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134 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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135
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136 //Call the method
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137 PyObject *pyString =
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138 PyObject_CallMethod(m_pyInstance, method, NULL);
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139
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140 //Check return value
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141 if (!PyString_Check(pyString)) {
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142 Py_CLEAR(pyString);
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143 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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144 << "] Expected String return value." << endl;
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145 return rString;
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146 }
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147
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148 rString=PyString_AsString(pyString);
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149 Py_CLEAR(pyString);
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150 return rString;
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151 }
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152 cerr << "Warning: Plugin must return a unique identifier." << endl;
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153 return rString;
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154 }
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155
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156
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157 string
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158 PyPlugin::getName() const
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159 {
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160 MutexLocker locker(&m_pythonInterpreterMutex);
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161
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162 char method[]="getName";
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163 cerr << "[call] " << method << endl;
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164 string rString="VamPy Plugin (Noname)";
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165
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166 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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167
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168 //Call the method
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169 PyObject *pyString =
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170 PyObject_CallMethod(m_pyInstance, method, NULL);
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171
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172 //Check return value
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173 if (!PyString_Check(pyString)) {
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174 Py_CLEAR(pyString);
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175 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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176 << "] Expected String return value." << endl;
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177 return rString;
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178 }
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179
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180 rString=PyString_AsString(pyString);
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181 Py_CLEAR(pyString);
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182 }
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183 return rString;
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184 }
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185
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186 string
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187 PyPlugin::getDescription() const
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188 {
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189 MutexLocker locker(&m_pythonInterpreterMutex);
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190
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191 char method[]="getDescription";
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192 cerr << "[call] " << method << endl;
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193 string rString="Not given. (Hint: Implement getDescription method.)";
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194
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195 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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196
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197 //Call the method
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198 PyObject *pyString =
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199 PyObject_CallMethod(m_pyInstance, method, NULL);
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200
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201 //Check return value
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202 if (!PyString_Check(pyString)) {
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203 Py_CLEAR(pyString);
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204 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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205 << "] Expected String return value." << endl;
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206 return rString;
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207 }
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208
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209 rString=PyString_AsString(pyString);
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210 Py_CLEAR(pyString);
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211 }
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212 return rString;
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213 }
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214
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215 string
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216 PyPlugin::getMaker() const
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217 {
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218 MutexLocker locker(&m_pythonInterpreterMutex);
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219
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220 char method[]="getMaker";
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221 cerr << "[call] " << method << endl;
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222 string rString="Generic VamPy Plugin.";
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223
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224 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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225
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fazekasgy@0
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226 //Call the method
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227 PyObject *pyString =
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228 PyObject_CallMethod(m_pyInstance, method, NULL);
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229
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230 //Check return value
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231 if (!PyString_Check(pyString)) {
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232 Py_CLEAR(pyString);
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233 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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234 << "] Expected String return value." << endl;
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235 return rString;
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236 }
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fazekasgy@0
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237
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238 rString=PyString_AsString(pyString);
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239 Py_CLEAR(pyString);
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240 }
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fazekasgy@0
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241 return rString;
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242 }
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243
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244 int
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245 PyPlugin::getPluginVersion() const
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246 {
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cannam@24
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247 //!!! implement
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248
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249 return 2;
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250 }
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fazekasgy@0
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251
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252 string
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253 PyPlugin::getCopyright() const
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254 {
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255 MutexLocker locker(&m_pythonInterpreterMutex);
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256
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257 char method[]="getCopyright";
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258 cerr << "[call] " << method << endl;
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259 string rString="BSD License";
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fazekasgy@0
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260
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fazekasgy@0
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261 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
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262
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fazekasgy@0
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263 //Call the method
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264 PyObject *pyString =
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265 PyObject_CallMethod(m_pyInstance, method, NULL);
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266
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fazekasgy@0
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267 //Check return value
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fazekasgy@0
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268 if (!PyString_Check(pyString)) {
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269 Py_CLEAR(pyString);
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270 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
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fazekasgy@0
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271 << "] Expected String return value." << endl;
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272 return rString;
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273 }
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fazekasgy@0
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274
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275
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276 rString=PyString_AsString(pyString);
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277 Py_CLEAR(pyString);
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278 }
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cannam@24
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279
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280 return rString;
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281 }
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fazekasgy@0
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282
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fazekasgy@0
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283
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fazekasgy@0
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284 bool
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fazekasgy@0
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285 PyPlugin::initialise(size_t channels, size_t stepSize, size_t blockSize)
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286 {
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fazekasgy@8
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287 //useful for debugging Python plugins
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fazekasgy@8
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288 char method[]="initialise";
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fazekasgy@8
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289 cerr << "[call] " << method << endl;
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fazekasgy@6
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290
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fazekasgy@6
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291 //placing Mutex before these calls causes deadlock
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cannam@24
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292 if (channels < getMinChannelCount() ||
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293 channels > getMaxChannelCount()) return false;
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fazekasgy@6
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294
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fazekasgy@6
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295 m_inputDomain = getInputDomain();
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fazekasgy@6
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296
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cannam@3
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297 MutexLocker locker(&m_pythonInterpreterMutex);
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cannam@3
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298
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fazekasgy@6
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299 initMaps();
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fazekasgy@6
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300
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fazekasgy@6
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301 m_stepSize = stepSize;
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fazekasgy@6
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302 m_blockSize = blockSize;
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fazekasgy@6
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303 m_channels = channels;
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fazekasgy@6
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304
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fazekasgy@6
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305 //quering process implementation type
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fazekasgy@6
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306 char legacyMethod[]="process";
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fazekasgy@6
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307 char numpyMethod[]="processN";
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fazekasgy@6
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308
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cannam@18
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309 if (PyObject_HasAttrString(m_pyInstance,legacyMethod) &&
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cannam@18
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310 m_processType == 0)
|
fazekasgy@6
|
311 {
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fazekasgy@6
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312 m_processType = legacyProcess;
|
fazekasgy@6
|
313 m_pyProcess = PyString_FromString(legacyMethod);
|
fazekasgy@6
|
314 }
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fazekasgy@6
|
315
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cannam@18
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316 if (PyObject_HasAttrString(m_pyInstance,numpyMethod) &&
|
cannam@18
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317 m_processType == 0)
|
fazekasgy@6
|
318 {
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fazekasgy@6
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319 m_processType = numpyProcess;
|
fazekasgy@6
|
320 m_pyProcess = PyString_FromString(numpyMethod);
|
fazekasgy@6
|
321 }
|
fazekasgy@6
|
322
|
fazekasgy@6
|
323 if (!m_processType)
|
fazekasgy@6
|
324 {
|
fazekasgy@6
|
325 m_processType = not_implemented;
|
fazekasgy@6
|
326 m_pyProcess = NULL;
|
fazekasgy@6
|
327 cerr << "Warning: Python plugin [" << m_class << "::" << method
|
cannam@24
|
328 << "] No process implementation found. Plugin will do nothing." << endl;
|
fazekasgy@6
|
329 }
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fazekasgy@6
|
330
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cannam@24
|
331 //Check if the method is implemented in Python else return false
|
cannam@24
|
332 if (PyObject_HasAttrString(m_pyInstance,method)) {
|
fazekasgy@0
|
333
|
cannam@24
|
334 PyObject *pyMethod = PyString_FromString(method);
|
cannam@24
|
335 PyObject *pyChannels = PyInt_FromSsize_t((Py_ssize_t)channels);
|
cannam@24
|
336 PyObject *pyStepSize = PyInt_FromSsize_t((Py_ssize_t)m_stepSize);
|
cannam@24
|
337 PyObject *pyBlockSize = PyInt_FromSsize_t((Py_ssize_t)blockSize);
|
cannam@24
|
338 //Call the method
|
cannam@24
|
339 PyObject *pyBool =
|
cannam@24
|
340 PyObject_CallMethodObjArgs(m_pyInstance,pyMethod,pyChannels,pyStepSize,pyBlockSize,NULL);
|
fazekasgy@8
|
341
|
cannam@24
|
342 Py_DECREF(pyMethod);
|
cannam@24
|
343 Py_DECREF(pyChannels);
|
cannam@24
|
344 Py_DECREF(pyStepSize);
|
cannam@24
|
345 Py_DECREF(pyBlockSize);
|
fazekasgy@0
|
346
|
cannam@24
|
347 //Check return value
|
cannam@24
|
348 if (PyErr_Occurred() || !PyBool_Check(pyBool)) {
|
cannam@24
|
349 PyErr_Print(); PyErr_Clear();
|
cannam@24
|
350 Py_CLEAR(pyBool);
|
cannam@24
|
351 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
cannam@24
|
352 << "] Expected Bool return value." << endl;
|
cannam@24
|
353 return false;
|
cannam@24
|
354 }
|
cannam@24
|
355
|
cannam@24
|
356 if (pyBool == Py_True) {
|
cannam@24
|
357 Py_CLEAR(pyBool);
|
cannam@24
|
358 return true;
|
cannam@24
|
359 } else {
|
cannam@24
|
360 Py_CLEAR(pyBool);
|
cannam@24
|
361 return false;
|
cannam@24
|
362 }
|
cannam@24
|
363 }
|
fazekasgy@6
|
364 return false;
|
fazekasgy@0
|
365 }
|
fazekasgy@0
|
366
|
fazekasgy@0
|
367 void
|
fazekasgy@0
|
368 PyPlugin::reset()
|
fazekasgy@0
|
369 {
|
fazekasgy@6
|
370 MutexLocker locker(&m_pythonInterpreterMutex);
|
fazekasgy@6
|
371
|
fazekasgy@6
|
372 char method[]="reset";
|
fazekasgy@6
|
373 cerr << "[call] " << method << endl;
|
fazekasgy@6
|
374
|
fazekasgy@6
|
375 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@6
|
376
|
fazekasgy@6
|
377 PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@6
|
378 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@6
|
379
|
fazekasgy@6
|
380 }
|
fazekasgy@0
|
381 }
|
fazekasgy@0
|
382
|
fazekasgy@6
|
383 PyPlugin::InputDomain PyPlugin::getInputDomain() const
|
fazekasgy@0
|
384 {
|
cannam@3
|
385 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
386
|
fazekasgy@0
|
387 char method[]="getInputDomain";
|
fazekasgy@0
|
388 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
389 PyPlugin::InputDomain rValue = TimeDomain; // TimeDomain
|
fazekasgy@0
|
390
|
fazekasgy@0
|
391 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
392
|
fazekasgy@0
|
393 PyObject *pyString = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
394
|
fazekasgy@0
|
395 //Check return value
|
fazekasgy@0
|
396 if (!PyString_Check(pyString)) {
|
fazekasgy@0
|
397 Py_CLEAR(pyString);
|
fazekasgy@0
|
398 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
399 << "] Expected String return value." << endl;
|
fazekasgy@0
|
400 return rValue;
|
fazekasgy@0
|
401 }
|
fazekasgy@0
|
402
|
fazekasgy@0
|
403 string domain = (string) PyString_AsString(pyString);
|
fazekasgy@0
|
404 if (domain == "FrequencyDomain") rValue = FrequencyDomain;
|
fazekasgy@0
|
405 Py_CLEAR(pyString);
|
fazekasgy@0
|
406 }
|
fazekasgy@0
|
407 return rValue;
|
fazekasgy@0
|
408 }
|
fazekasgy@0
|
409
|
fazekasgy@6
|
410
|
fazekasgy@0
|
411 size_t PyPlugin::getPreferredBlockSize() const
|
fazekasgy@0
|
412 {
|
cannam@3
|
413 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
414
|
fazekasgy@0
|
415 char method[]="getPreferredBlockSize";
|
fazekasgy@0
|
416 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
417 size_t rValue=0; //not set by default
|
fazekasgy@0
|
418 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
419 PyObject *pyInt = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
420
|
fazekasgy@0
|
421 //Check return value
|
fazekasgy@0
|
422 if (!PyInt_Check(pyInt)) {
|
fazekasgy@0
|
423 Py_CLEAR(pyInt);
|
fazekasgy@0
|
424 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
425 << "] Expected Integer return value." << endl;
|
fazekasgy@0
|
426 return rValue;
|
fazekasgy@0
|
427 }
|
fazekasgy@0
|
428
|
fazekasgy@0
|
429 rValue=(size_t)PyInt_AS_LONG(pyInt);
|
fazekasgy@0
|
430 Py_CLEAR(pyInt);
|
fazekasgy@0
|
431 }
|
fazekasgy@0
|
432 return rValue;
|
fazekasgy@0
|
433 }
|
fazekasgy@0
|
434
|
fazekasgy@0
|
435 //size_t PyPlugin::getPreferredStepSize() const { return 0; }
|
fazekasgy@0
|
436 size_t PyPlugin::getPreferredStepSize() const
|
fazekasgy@0
|
437 {
|
cannam@3
|
438 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
439
|
fazekasgy@0
|
440 char method[]="getPreferredStepSize";
|
fazekasgy@0
|
441 cerr << "[call] " << method << endl;
|
fazekasgy@8
|
442 size_t rValue=1024; //not set by default
|
fazekasgy@0
|
443 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
444 PyObject *pyInt = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
445
|
fazekasgy@0
|
446 //Check return value
|
fazekasgy@0
|
447 if (!PyInt_Check(pyInt)) {
|
fazekasgy@0
|
448 Py_CLEAR(pyInt);
|
fazekasgy@0
|
449 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
450 << "] Expected Integer return value." << endl;
|
fazekasgy@0
|
451 return rValue;
|
fazekasgy@0
|
452 }
|
fazekasgy@0
|
453
|
fazekasgy@0
|
454 rValue=(size_t)PyInt_AS_LONG(pyInt);
|
fazekasgy@0
|
455 Py_CLEAR(pyInt);
|
fazekasgy@0
|
456 }
|
fazekasgy@0
|
457 return rValue;
|
fazekasgy@0
|
458 }
|
fazekasgy@0
|
459
|
fazekasgy@0
|
460 size_t PyPlugin::getMinChannelCount() const
|
fazekasgy@0
|
461 {
|
cannam@3
|
462 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
463
|
fazekasgy@0
|
464 char method[]="getMinChannelCount";
|
fazekasgy@0
|
465 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
466 size_t rValue=1; //default value
|
fazekasgy@0
|
467 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
468 PyObject *pyInt = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
469
|
fazekasgy@0
|
470 //Check return value
|
fazekasgy@0
|
471 if (!PyInt_Check(pyInt)) {
|
fazekasgy@0
|
472 Py_CLEAR(pyInt);
|
fazekasgy@0
|
473 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
474 << "] Expected String return value." << endl;
|
fazekasgy@0
|
475 return rValue;
|
fazekasgy@0
|
476 }
|
fazekasgy@0
|
477
|
fazekasgy@0
|
478 rValue=(size_t)PyInt_AS_LONG(pyInt);
|
fazekasgy@0
|
479 Py_CLEAR(pyInt);
|
fazekasgy@0
|
480 }
|
fazekasgy@0
|
481 return rValue;
|
fazekasgy@0
|
482 }
|
fazekasgy@0
|
483
|
fazekasgy@0
|
484 size_t PyPlugin::getMaxChannelCount() const
|
fazekasgy@0
|
485 {
|
cannam@3
|
486 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
487
|
fazekasgy@0
|
488 char method[]="getMaxChannelCount";
|
fazekasgy@0
|
489 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
490 size_t rValue=1; //default value
|
fazekasgy@0
|
491 if ( PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
492 PyObject *pyInt = PyObject_CallMethod(m_pyInstance, method, NULL);
|
fazekasgy@0
|
493
|
fazekasgy@0
|
494 //Check return value
|
fazekasgy@0
|
495 if (!PyInt_Check(pyInt)) {
|
fazekasgy@0
|
496 Py_CLEAR(pyInt);
|
fazekasgy@0
|
497 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
498 << "] Expected String return value." << endl;
|
fazekasgy@0
|
499 return rValue;
|
fazekasgy@0
|
500 }
|
fazekasgy@0
|
501
|
fazekasgy@0
|
502 rValue=(size_t)PyInt_AS_LONG(pyInt);
|
fazekasgy@0
|
503 Py_CLEAR(pyInt);
|
fazekasgy@0
|
504 }
|
fazekasgy@0
|
505 return rValue;
|
fazekasgy@0
|
506 }
|
fazekasgy@0
|
507
|
fazekasgy@0
|
508
|
fazekasgy@0
|
509 PyPlugin::OutputList
|
fazekasgy@0
|
510 PyPlugin::getOutputDescriptors() const
|
fazekasgy@0
|
511 {
|
fazekasgy@6
|
512
|
cannam@3
|
513 MutexLocker locker(&m_pythonInterpreterMutex);
|
fazekasgy@6
|
514
|
fazekasgy@0
|
515 //PyEval_AcquireThread(newThreadState);
|
fazekasgy@0
|
516 OutputList list;
|
fazekasgy@0
|
517 OutputDescriptor od;
|
fazekasgy@0
|
518 char method[]="getOutputDescriptors";
|
fazekasgy@0
|
519 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
520
|
fazekasgy@0
|
521 //Check if the method is implemented in Python
|
fazekasgy@6
|
522 if ( ! PyObject_HasAttrString(m_pyInstance,method) ) return list;
|
fazekasgy@0
|
523
|
fazekasgy@0
|
524 //Call the method: must return list object (new reference)
|
fazekasgy@0
|
525 PyObject *pyList =
|
fazekasgy@0
|
526 PyObject_CallMethod(m_pyInstance,method, NULL);
|
fazekasgy@0
|
527
|
fazekasgy@0
|
528 //Check return type
|
fazekasgy@0
|
529 if (! PyList_Check(pyList) ) {
|
fazekasgy@0
|
530 Py_CLEAR(pyList);
|
fazekasgy@0
|
531 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
532 << "] Expected List return type." << endl;
|
fazekasgy@0
|
533 return list;
|
fazekasgy@0
|
534 }
|
fazekasgy@0
|
535
|
fazekasgy@0
|
536 //These will all be borrowed references (no need to DECREF)
|
fazekasgy@0
|
537 PyObject *pyDict, *pyKey, *pyValue;
|
fazekasgy@0
|
538
|
fazekasgy@0
|
539 //Parse Output List
|
fazekasgy@0
|
540 for (Py_ssize_t i = 0; i < PyList_GET_SIZE(pyList); ++i) {
|
fazekasgy@0
|
541
|
cannam@18
|
542 //Get i-th Vamp output descriptor (Borrowed Reference)
|
fazekasgy@0
|
543 pyDict = PyList_GET_ITEM(pyList,i);
|
fazekasgy@0
|
544
|
fazekasgy@0
|
545 //We only care about dictionaries holding output descriptors
|
fazekasgy@0
|
546 if ( !PyDict_Check(pyDict) ) continue;
|
fazekasgy@0
|
547
|
fazekasgy@0
|
548 Py_ssize_t pyPos = NULL;
|
fazekasgy@0
|
549 initMaps();
|
fazekasgy@0
|
550
|
fazekasgy@0
|
551 //Python Sequence Iterator
|
fazekasgy@0
|
552 while (PyDict_Next(pyDict, &pyPos, &pyKey, &pyValue))
|
fazekasgy@0
|
553 {
|
fazekasgy@0
|
554 switch (outKeys[PyString_AsString(pyKey)])
|
fazekasgy@0
|
555 {
|
cannam@18
|
556 case o::not_found :
|
cannam@18
|
557 cerr << "Unknown key in Vamp OutputDescriptor: " << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
558 break;
|
cannam@18
|
559 case o::identifier:
|
fazekasgy@0
|
560 od.identifier = PyString_AsString(pyValue);
|
fazekasgy@0
|
561 break;
|
cannam@18
|
562 case o::name:
|
fazekasgy@0
|
563 od.name = PyString_AsString(pyValue);
|
fazekasgy@0
|
564 break;
|
cannam@18
|
565 case o::description:
|
fazekasgy@0
|
566 od.description = PyString_AsString(pyValue);
|
fazekasgy@0
|
567 break;
|
cannam@18
|
568 case o::unit:
|
fazekasgy@0
|
569 od.unit = PyString_AsString(pyValue);
|
fazekasgy@0
|
570 break;
|
cannam@18
|
571 case o::hasFixedBinCount:
|
fazekasgy@0
|
572 od.hasFixedBinCount = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
573 break;
|
cannam@18
|
574 case o::binCount:
|
fazekasgy@0
|
575 od.binCount = (size_t) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
576 break;
|
cannam@18
|
577 case o::binNames:
|
fazekasgy@0
|
578 od.binNames = PyList_To_StringVector(pyValue);
|
fazekasgy@0
|
579 break;
|
cannam@18
|
580 case o::hasKnownExtents:
|
fazekasgy@0
|
581 od.hasKnownExtents = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
582 break;
|
cannam@18
|
583 case o::minValue:
|
fazekasgy@0
|
584 od.minValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
585 break;
|
cannam@18
|
586 case o::maxValue:
|
fazekasgy@0
|
587 od.maxValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
588 break;
|
cannam@18
|
589 case o::isQuantized:
|
fazekasgy@0
|
590 od.isQuantized = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
591 break;
|
cannam@18
|
592 case o::quantizeStep:
|
fazekasgy@0
|
593 od.quantizeStep = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
594 break;
|
cannam@18
|
595 case o::sampleType:
|
fazekasgy@0
|
596 od.sampleType = (OutputDescriptor::SampleType) sampleKeys[PyString_AsString(pyValue)];
|
fazekasgy@0
|
597 break;
|
cannam@18
|
598 case o::sampleRate:
|
fazekasgy@0
|
599 od.sampleRate = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@8
|
600 // od.sampleRate = m_inputSampleRate / m_stepSize;
|
fazekasgy@8
|
601 cerr << od.sampleRate << endl;
|
fazekasgy@0
|
602 break;
|
cannam@18
|
603 case o::hasDuration:
|
cannam@18
|
604 od.hasDuration = (bool)PyInt_AS_LONG(pyValue);
|
cannam@18
|
605 break;
|
fazekasgy@0
|
606 default :
|
cannam@18
|
607 cerr << "Invalid key in Vamp OutputDescriptor: " << PyString_AsString(pyKey) << endl;
|
fazekasgy@6
|
608 }
|
fazekasgy@6
|
609 } // while dict
|
fazekasgy@0
|
610 list.push_back(od);
|
fazekasgy@6
|
611 } // for list
|
fazekasgy@0
|
612 Py_CLEAR(pyList);
|
fazekasgy@0
|
613 return list;
|
fazekasgy@0
|
614 }
|
fazekasgy@0
|
615
|
fazekasgy@0
|
616 PyPlugin::ParameterList
|
fazekasgy@0
|
617 PyPlugin::getParameterDescriptors() const
|
fazekasgy@0
|
618 {
|
cannam@3
|
619 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
620
|
fazekasgy@0
|
621 ParameterList list;
|
fazekasgy@0
|
622 ParameterDescriptor pd;
|
fazekasgy@0
|
623 char method[]="getParameterDescriptors";
|
fazekasgy@0
|
624 cerr << "[call] " << method << endl;
|
fazekasgy@27
|
625
|
fazekasgy@27
|
626 if (!m_pyInstance) {cerr << "Error: pyInstance is NULL" << endl; return list;}
|
fazekasgy@0
|
627
|
fazekasgy@0
|
628 //Check if the method is implemented in Python
|
fazekasgy@6
|
629 if ( ! PyObject_HasAttrString(m_pyInstance,method) ) return list;
|
fazekasgy@0
|
630
|
fazekasgy@0
|
631 //Call the method: must return list object (new reference)
|
fazekasgy@0
|
632 PyObject *pyList =
|
fazekasgy@0
|
633 PyObject_CallMethod(m_pyInstance,method, NULL);
|
fazekasgy@0
|
634
|
fazekasgy@0
|
635 //Check return type
|
fazekasgy@0
|
636 if (! PyList_Check(pyList) ) {
|
fazekasgy@0
|
637 Py_CLEAR(pyList);
|
fazekasgy@0
|
638 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
639 << "] Expected List return type." << endl;
|
fazekasgy@0
|
640 return list;
|
fazekasgy@0
|
641 }
|
fazekasgy@0
|
642
|
fazekasgy@0
|
643
|
fazekasgy@0
|
644 //These will all be borrowed references (no need to DECREF)
|
fazekasgy@0
|
645 PyObject *pyDict, *pyKey, *pyValue;
|
fazekasgy@0
|
646
|
fazekasgy@0
|
647 //Parse Output List
|
fazekasgy@0
|
648 for (Py_ssize_t i = 0; i < PyList_GET_SIZE(pyList); ++i) {
|
fazekasgy@0
|
649
|
cannam@18
|
650 //Get i-th Vamp output descriptor (Borrowed Reference)
|
fazekasgy@0
|
651 pyDict = PyList_GET_ITEM(pyList,i);
|
fazekasgy@0
|
652
|
fazekasgy@0
|
653 //We only care about dictionaries holding output descriptors
|
fazekasgy@0
|
654 if ( !PyDict_Check(pyDict) ) continue;
|
fazekasgy@0
|
655
|
fazekasgy@0
|
656 Py_ssize_t pyPos = NULL;
|
fazekasgy@0
|
657 initMaps();
|
fazekasgy@0
|
658
|
fazekasgy@0
|
659 //Python Sequence Iterator
|
fazekasgy@0
|
660 while (PyDict_Next(pyDict, &pyPos, &pyKey, &pyValue))
|
fazekasgy@0
|
661 {
|
fazekasgy@0
|
662 switch (parmKeys[PyString_AsString(pyKey)])
|
fazekasgy@0
|
663 {
|
cannam@18
|
664 case p::not_found :
|
cannam@18
|
665 cerr << "Unknown key in Vamp OutputDescriptor: " << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
666 break;
|
fazekasgy@0
|
667 case p::identifier:
|
fazekasgy@0
|
668 pd.identifier = PyString_AsString(pyValue);
|
fazekasgy@0
|
669 break;
|
fazekasgy@0
|
670 case p::name:
|
fazekasgy@0
|
671 pd.name = PyString_AsString(pyValue);
|
fazekasgy@0
|
672 break;
|
fazekasgy@0
|
673 case p::description:
|
fazekasgy@0
|
674 pd.description = PyString_AsString(pyValue);
|
fazekasgy@0
|
675 break;
|
fazekasgy@0
|
676 case p::unit:
|
fazekasgy@0
|
677 pd.unit = PyString_AsString(pyValue);
|
fazekasgy@0
|
678 break;
|
fazekasgy@0
|
679 case p::minValue:
|
fazekasgy@0
|
680 pd.minValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
681 break;
|
fazekasgy@0
|
682 case p::maxValue:
|
fazekasgy@0
|
683 pd.maxValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
684 break;
|
fazekasgy@0
|
685 case p::defaultValue:
|
fazekasgy@0
|
686 pd.defaultValue = (float) PyFloat_AS_DOUBLE(pyValue);
|
fazekasgy@0
|
687 break;
|
fazekasgy@0
|
688 case p::isQuantized:
|
fazekasgy@0
|
689 pd.isQuantized = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@27
|
690 break;
|
fazekasgy@27
|
691 case p::quantizeStep:
|
cannam@22
|
692 pd.quantizeStep = (float) PyFloat_AS_DOUBLE(pyValue);
|
cannam@22
|
693 break;
|
fazekasgy@0
|
694 default :
|
cannam@18
|
695 cerr << "Invalid key in Vamp OutputDescriptor: " << PyString_AsString(pyKey) << endl;
|
fazekasgy@6
|
696 }
|
fazekasgy@6
|
697 } // while dict
|
fazekasgy@0
|
698 list.push_back(pd);
|
fazekasgy@6
|
699 } // for list
|
fazekasgy@0
|
700 Py_CLEAR(pyList);
|
fazekasgy@0
|
701 return list;
|
fazekasgy@0
|
702 }
|
fazekasgy@0
|
703
|
fazekasgy@0
|
704 void PyPlugin::setParameter(std::string paramid, float newval)
|
fazekasgy@0
|
705 {
|
cannam@3
|
706 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
707
|
fazekasgy@0
|
708 char method[]="setParameter";
|
fazekasgy@0
|
709 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
710
|
fazekasgy@0
|
711 //Check if the method is implemented in Python
|
fazekasgy@0
|
712 if (PyObject_HasAttrString(m_pyInstance,method)) {
|
fazekasgy@0
|
713
|
fazekasgy@0
|
714 PyObject *pyMethod = PyString_FromString(method);
|
fazekasgy@0
|
715 PyObject *pyParamid = PyString_FromString(paramid.c_str());
|
fazekasgy@0
|
716 PyObject *pyNewval = PyFloat_FromDouble((double)newval);
|
fazekasgy@0
|
717
|
fazekasgy@0
|
718 //Call the method
|
fazekasgy@0
|
719 PyObject *pyBool =
|
fazekasgy@0
|
720 PyObject_CallMethodObjArgs(m_pyInstance,pyMethod,pyParamid,pyNewval,NULL);
|
fazekasgy@0
|
721
|
fazekasgy@0
|
722 //This only happens if there is a syntax error or so
|
fazekasgy@0
|
723 if (pyBool == NULL) {
|
fazekasgy@0
|
724 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
725 << "] Error setting parameter: " << paramid << endl;
|
fazekasgy@0
|
726 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@0
|
727 }
|
fazekasgy@0
|
728
|
fazekasgy@0
|
729 Py_DECREF(pyMethod);
|
fazekasgy@0
|
730 Py_DECREF(pyParamid);
|
fazekasgy@0
|
731 Py_DECREF(pyNewval);
|
fazekasgy@0
|
732 }
|
fazekasgy@0
|
733 }
|
fazekasgy@0
|
734
|
fazekasgy@0
|
735 float PyPlugin::getParameter(std::string paramid) const
|
fazekasgy@0
|
736 {
|
cannam@3
|
737 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
738
|
fazekasgy@0
|
739 char method[]="getParameter";
|
fazekasgy@0
|
740 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
741 float rValue = 0.0f;
|
fazekasgy@0
|
742
|
fazekasgy@0
|
743 //Check if the method is implemented in Python
|
fazekasgy@0
|
744 if (PyObject_HasAttrString(m_pyInstance,method)) {
|
fazekasgy@0
|
745
|
fazekasgy@0
|
746 PyObject *pyMethod = PyString_FromString(method);
|
fazekasgy@0
|
747 PyObject *pyParamid = PyString_FromString(paramid.c_str());
|
fazekasgy@0
|
748
|
fazekasgy@0
|
749 //Call the method
|
fazekasgy@0
|
750 PyObject *pyFloat =
|
fazekasgy@0
|
751 PyObject_CallMethodObjArgs(m_pyInstance,pyMethod,pyParamid,NULL);
|
fazekasgy@0
|
752
|
fazekasgy@0
|
753 //Check return type
|
fazekasgy@0
|
754 if (! PyFloat_Check(pyFloat) ) {
|
fazekasgy@0
|
755 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
756 << "] Expected Float return type." << endl;
|
fazekasgy@0
|
757 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@0
|
758 Py_CLEAR(pyFloat);
|
fazekasgy@0
|
759 return rValue;
|
fazekasgy@0
|
760 }
|
fazekasgy@0
|
761
|
fazekasgy@0
|
762 rValue = (float) PyFloat_AS_DOUBLE(pyFloat);
|
fazekasgy@0
|
763
|
fazekasgy@0
|
764 Py_DECREF(pyMethod);
|
fazekasgy@0
|
765 Py_DECREF(pyParamid);
|
fazekasgy@0
|
766 Py_DECREF(pyFloat);
|
fazekasgy@0
|
767 }
|
fazekasgy@0
|
768
|
fazekasgy@0
|
769 return rValue;
|
fazekasgy@0
|
770 }
|
fazekasgy@0
|
771
|
fazekasgy@0
|
772 #ifdef _DEBUG
|
fazekasgy@0
|
773 static int proccounter = 0;
|
fazekasgy@0
|
774 #endif
|
fazekasgy@0
|
775
|
fazekasgy@0
|
776 PyPlugin::FeatureSet
|
fazekasgy@0
|
777 PyPlugin::process(const float *const *inputBuffers,
|
fazekasgy@0
|
778 Vamp::RealTime timestamp)
|
fazekasgy@0
|
779 {
|
cannam@3
|
780 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
781
|
fazekasgy@6
|
782 #ifdef _DEBUG
|
fazekasgy@6
|
783 cerr << "[call] process, frame:" << proccounter << endl;
|
fazekasgy@6
|
784 proccounter++;
|
fazekasgy@6
|
785 #endif
|
fazekasgy@6
|
786
|
fazekasgy@8
|
787 if (m_blockSize == 0 || m_channels == 0) {
|
fazekasgy@0
|
788 cerr << "ERROR: PyPlugin::process: "
|
fazekasgy@0
|
789 << "Plugin has not been initialised" << endl;
|
fazekasgy@0
|
790 return FeatureSet();
|
fazekasgy@0
|
791 }
|
fazekasgy@0
|
792
|
fazekasgy@6
|
793 if (m_processType == not_implemented) {
|
fazekasgy@6
|
794 cerr << "ERROR: In Python plugin [" << m_class
|
fazekasgy@6
|
795 << "] No process implementation found. Returning empty feature set." << endl;
|
fazekasgy@6
|
796 return FeatureSet();
|
fazekasgy@6
|
797 }
|
fazekasgy@0
|
798
|
fazekasgy@6
|
799 string method=PyString_AsString(m_pyProcess);
|
fazekasgy@6
|
800
|
fazekasgy@6
|
801 PyObject *pyOutputList = NULL;
|
fazekasgy@0
|
802
|
fazekasgy@6
|
803 /*new numPy support*/
|
fazekasgy@6
|
804 if (m_processType == numpyProcess) {
|
fazekasgy@8
|
805
|
fazekasgy@8
|
806 //create a list of buffers
|
fazekasgy@8
|
807 PyObject *pyChannelList = PyList_New((Py_ssize_t) m_channels);
|
fazekasgy@8
|
808 for (size_t i=0; i < m_channels; ++i) {
|
fazekasgy@6
|
809
|
fazekasgy@8
|
810 //Expose memory using the Buffer Interface of C/API
|
fazekasgy@8
|
811 //This will virtually pass a pointer which can be
|
fazekasgy@8
|
812 //recasted in Python code as float or complex array
|
fazekasgy@8
|
813 PyObject *pyBuffer = PyBuffer_FromMemory
|
fazekasgy@8
|
814 ((void *) (float *) inputBuffers[i],
|
fazekasgy@8
|
815 (Py_ssize_t) sizeof(float) * m_blockSize);
|
fazekasgy@6
|
816
|
fazekasgy@8
|
817 PyList_SET_ITEM(pyChannelList, (Py_ssize_t) i, pyBuffer);
|
fazekasgy@8
|
818 }
|
fazekasgy@8
|
819
|
fazekasgy@8
|
820 //pass RealTime as frameCount
|
fazekasgy@8
|
821 PyObject *pyLongSample = PyLong_FromLong (
|
fazekasgy@8
|
822 Vamp::RealTime::realTime2Frame
|
fazekasgy@8
|
823 (timestamp, (unsigned int) m_inputSampleRate));
|
fazekasgy@6
|
824
|
fazekasgy@8
|
825 //Call python process (returns new reference)
|
fazekasgy@8
|
826 pyOutputList = PyObject_CallMethodObjArgs
|
fazekasgy@8
|
827 (m_pyInstance,m_pyProcess,pyChannelList,pyLongSample,NULL);
|
fazekasgy@8
|
828
|
fazekasgy@8
|
829 Py_DECREF(pyChannelList);
|
fazekasgy@8
|
830 Py_DECREF(pyLongSample);
|
fazekasgy@6
|
831
|
fazekasgy@6
|
832 }
|
fazekasgy@6
|
833
|
fazekasgy@6
|
834 if (m_processType == legacyProcess) {
|
fazekasgy@0
|
835
|
fazekasgy@8
|
836 //create a list of lists
|
fazekasgy@8
|
837 PyObject *pyChannelList = PyList_New((Py_ssize_t) m_channels);
|
fazekasgy@8
|
838 for (size_t i=0; i < m_channels; ++i) {
|
fazekasgy@0
|
839
|
fazekasgy@8
|
840 //Declare new list object
|
fazekasgy@8
|
841 PyObject *pyFloat, *pyList;
|
fazekasgy@8
|
842 pyList = PyList_New((Py_ssize_t) m_blockSize);
|
fazekasgy@8
|
843
|
fazekasgy@8
|
844 //Pack samples into a Python List Object
|
fazekasgy@8
|
845 //pyFloat types will always be new references,
|
fazekasgy@8
|
846 //these will be discarded when the list is deallocated
|
fazekasgy@8
|
847 for (size_t j = 0; j < m_blockSize; ++j) {
|
fazekasgy@8
|
848 pyFloat=PyFloat_FromDouble(
|
fazekasgy@8
|
849 (double) inputBuffers[i][j]);
|
fazekasgy@8
|
850 PyList_SET_ITEM(pyList, (Py_ssize_t) j, pyFloat);
|
fazekasgy@8
|
851 }
|
fazekasgy@8
|
852 PyList_SET_ITEM(pyChannelList, (Py_ssize_t) i, pyList);
|
fazekasgy@8
|
853 }
|
fazekasgy@8
|
854
|
fazekasgy@8
|
855 //pass RealTime as frameCount
|
fazekasgy@8
|
856 PyObject *pyLongSample = PyLong_FromLong (
|
fazekasgy@8
|
857 Vamp::RealTime::realTime2Frame
|
fazekasgy@8
|
858 (timestamp, (unsigned int) m_inputSampleRate));
|
fazekasgy@8
|
859
|
fazekasgy@8
|
860 //Call python process (returns new reference)
|
fazekasgy@8
|
861 pyOutputList = PyObject_CallMethodObjArgs
|
fazekasgy@8
|
862 (m_pyInstance,m_pyProcess,pyChannelList,pyLongSample,NULL);
|
fazekasgy@8
|
863
|
fazekasgy@8
|
864 Py_DECREF(pyChannelList);
|
fazekasgy@8
|
865 Py_DECREF(pyLongSample);
|
fazekasgy@8
|
866
|
fazekasgy@0
|
867 }
|
fazekasgy@6
|
868
|
fazekasgy@8
|
869 //return nothing
|
fazekasgy@8
|
870 //Py_CLEAR(pyOutputList);
|
fazekasgy@8
|
871 //return FeatureSet();
|
fazekasgy@0
|
872
|
fazekasgy@0
|
873 //Check return type
|
fazekasgy@0
|
874 if (pyOutputList == NULL || !PyList_Check(pyOutputList) ) {
|
fazekasgy@0
|
875 if (pyOutputList == NULL) {
|
fazekasgy@0
|
876 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
877 << "] Unexpected result." << endl;
|
fazekasgy@0
|
878 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@0
|
879 } else {
|
fazekasgy@0
|
880 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
881 << "] Expected List return type." << endl;
|
fazekasgy@0
|
882 }
|
fazekasgy@0
|
883 Py_CLEAR(pyOutputList);
|
fazekasgy@0
|
884 return FeatureSet();
|
fazekasgy@0
|
885 }
|
fazekasgy@0
|
886
|
fazekasgy@0
|
887 // Py_DECREF(pyList);
|
fazekasgy@0
|
888 // This appears to be tracked by the cyclic garbage collector
|
fazekasgy@0
|
889 // hence decrefing produces GC error
|
fazekasgy@0
|
890 #ifdef _DEBUG
|
fazekasgy@0
|
891 cerr << "Process Returned Features" << endl;
|
fazekasgy@0
|
892 #endif
|
fazekasgy@0
|
893 // These will ALL be borrowed references
|
fazekasgy@0
|
894 PyObject *pyFeatureList, *pyDict, *pyKey, *pyValue;
|
fazekasgy@0
|
895
|
fazekasgy@0
|
896 FeatureSet returnFeatures;
|
fazekasgy@0
|
897
|
fazekasgy@0
|
898 //Parse Output List for each element (FeatureSet)
|
fazekasgy@0
|
899 for (Py_ssize_t i = 0;
|
fazekasgy@0
|
900 i < PyList_GET_SIZE(pyOutputList); ++i) {
|
fazekasgy@0
|
901 //cerr << "output (FeatureSet): " << i << endl;
|
fazekasgy@0
|
902
|
fazekasgy@0
|
903 //Get i-th FeatureList (Borrowed Reference)
|
fazekasgy@0
|
904 pyFeatureList = PyList_GET_ITEM(pyOutputList,i);
|
fazekasgy@0
|
905
|
fazekasgy@0
|
906 //Parse FeatureList for each element (Feature)
|
fazekasgy@0
|
907 for (Py_ssize_t j = 0; j < PyList_GET_SIZE(pyFeatureList); ++j) {
|
fazekasgy@0
|
908 //cerr << "element (FeatureList): " << j << endl;
|
fazekasgy@0
|
909
|
fazekasgy@0
|
910 //Get j-th Feature (Borrowed Reference)
|
fazekasgy@0
|
911 pyDict = PyList_GET_ITEM(pyFeatureList,j);
|
fazekasgy@0
|
912
|
fazekasgy@0
|
913 //We only care about dictionaries holding a Feature struct
|
fazekasgy@0
|
914 if ( !PyDict_Check(pyDict) ) continue;
|
fazekasgy@0
|
915
|
fazekasgy@0
|
916 Py_ssize_t pyPos = NULL;
|
fazekasgy@0
|
917 bool emptyFeature = true;
|
fazekasgy@0
|
918 Feature feature;
|
fazekasgy@0
|
919
|
fazekasgy@0
|
920 //process::Python Sequence Iterator for dictionary
|
fazekasgy@0
|
921 while (PyDict_Next(pyDict, &pyPos, &pyKey, &pyValue))
|
fazekasgy@0
|
922 {
|
fazekasgy@0
|
923 emptyFeature = false;
|
fazekasgy@0
|
924 switch (ffKeys[PyString_AsString(pyKey)])
|
fazekasgy@0
|
925 {
|
cannam@18
|
926 case unknown:
|
cannam@18
|
927 cerr << "Unknown key in Vamp FeatureSet: "
|
fazekasgy@0
|
928 << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
929 break;
|
fazekasgy@0
|
930 case hasTimestamp:
|
fazekasgy@0
|
931 feature.hasTimestamp = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
932 break;
|
fazekasgy@0
|
933 case timeStamp:
|
fazekasgy@8
|
934 feature.timestamp =
|
fazekasgy@8
|
935 Vamp::RealTime::frame2RealTime(
|
fazekasgy@8
|
936 PyLong_AsLong(pyValue),
|
fazekasgy@8
|
937 (unsigned int) m_inputSampleRate );
|
fazekasgy@8
|
938 #ifdef _DEBUG
|
fazekasgy@8
|
939 cerr << "Timestamp: "
|
fazekasgy@8
|
940 << (long)PyLong_AsLong(pyValue) << ", ->"
|
fazekasgy@8
|
941 << feature.timestamp.toString() << endl;
|
fazekasgy@8
|
942 #endif
|
fazekasgy@0
|
943 break;
|
cannam@18
|
944 case hasDuration:
|
cannam@18
|
945 feature.hasDuration = (bool) PyInt_AS_LONG(pyValue);
|
cannam@18
|
946 break;
|
cannam@18
|
947 case duration:
|
cannam@18
|
948 feature.duration =
|
cannam@18
|
949 Vamp::RealTime::frame2RealTime(
|
cannam@18
|
950 PyLong_AsLong(pyValue),
|
cannam@18
|
951 (unsigned int) m_inputSampleRate );
|
cannam@18
|
952 #ifdef _DEBUG
|
cannam@18
|
953 cerr << "Duration: "
|
cannam@18
|
954 << (long)PyLong_AsLong(pyValue) << ", ->"
|
cannam@18
|
955 << feature.duration.toString() << endl;
|
cannam@18
|
956 #endif
|
cannam@18
|
957 break;
|
fazekasgy@0
|
958 case values:
|
fazekasgy@0
|
959 feature.values = PyList_As_FloatVector(pyValue);
|
fazekasgy@0
|
960 break;
|
fazekasgy@0
|
961 case label:
|
fazekasgy@0
|
962 feature.label = PyString_AsString(pyValue);
|
fazekasgy@0
|
963 break;
|
fazekasgy@0
|
964 default :
|
cannam@18
|
965 cerr << "Invalid key in Vamp FeatureSet: "
|
fazekasgy@0
|
966 << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
967 } // switch
|
fazekasgy@0
|
968
|
fazekasgy@0
|
969 } // while
|
fazekasgy@0
|
970 if (emptyFeature) cerr << "Warning: This feature is empty or badly formatted." << endl;
|
fazekasgy@0
|
971 else returnFeatures[i].push_back(feature);
|
fazekasgy@0
|
972
|
fazekasgy@0
|
973 }// for j = FeatureList
|
fazekasgy@0
|
974
|
fazekasgy@0
|
975 }//for i = FeatureSet
|
fazekasgy@0
|
976 Py_CLEAR(pyOutputList);
|
fazekasgy@0
|
977 return returnFeatures;
|
fazekasgy@0
|
978 }
|
fazekasgy@0
|
979
|
fazekasgy@0
|
980
|
fazekasgy@0
|
981
|
fazekasgy@0
|
982 PyPlugin::FeatureSet
|
fazekasgy@0
|
983 PyPlugin::getRemainingFeatures()
|
fazekasgy@0
|
984 {
|
cannam@3
|
985 MutexLocker locker(&m_pythonInterpreterMutex);
|
cannam@3
|
986
|
fazekasgy@0
|
987 static char method[]="getRemainingFeatures";
|
fazekasgy@0
|
988 cerr << "[call] " << method << endl;
|
fazekasgy@0
|
989
|
fazekasgy@0
|
990 //check if the method is implemented
|
fazekasgy@0
|
991 if ( ! PyObject_HasAttrString(m_pyInstance,method) ) {
|
fazekasgy@0
|
992 return FeatureSet();
|
fazekasgy@0
|
993 }
|
fazekasgy@0
|
994
|
fazekasgy@0
|
995 PyObject *pyMethod = PyString_FromString(method);
|
fazekasgy@0
|
996
|
fazekasgy@0
|
997 PyObject *pyOutputList =
|
fazekasgy@0
|
998 PyObject_CallMethod(m_pyInstance,method, NULL);
|
fazekasgy@0
|
999
|
fazekasgy@0
|
1000 //Check return type
|
fazekasgy@0
|
1001 if (pyOutputList == NULL || !PyList_Check(pyOutputList) ) {
|
fazekasgy@0
|
1002 if (pyOutputList == NULL) {
|
fazekasgy@0
|
1003 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
1004 << "] Unexpected result." << endl;
|
fazekasgy@0
|
1005 if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
|
fazekasgy@0
|
1006 } else {
|
fazekasgy@0
|
1007 cerr << "ERROR: In Python plugin [" << m_class << "::" << method
|
fazekasgy@0
|
1008 << "] Expected List return type." << endl;
|
fazekasgy@0
|
1009 }
|
fazekasgy@0
|
1010 Py_CLEAR(pyMethod);
|
fazekasgy@0
|
1011 Py_CLEAR(pyOutputList);
|
fazekasgy@0
|
1012 return FeatureSet();
|
fazekasgy@0
|
1013 }
|
fazekasgy@0
|
1014 Py_DECREF(pyMethod);
|
fazekasgy@0
|
1015
|
fazekasgy@0
|
1016 PyObject *pyFeatureList, *pyDict, *pyKey, *pyValue;
|
fazekasgy@0
|
1017 FeatureSet returnFeatures;
|
fazekasgy@8
|
1018
|
fazekasgy@8
|
1019 //iterate through list of outputs
|
fazekasgy@0
|
1020 for (Py_ssize_t i = 0; i < PyList_GET_SIZE(pyOutputList); ++i) {
|
fazekasgy@0
|
1021
|
fazekasgy@0
|
1022 pyFeatureList = PyList_GET_ITEM(pyOutputList,i);
|
fazekasgy@0
|
1023
|
fazekasgy@8
|
1024 //iterate list of Features
|
fazekasgy@0
|
1025 for (Py_ssize_t j = 0; j < PyList_GET_SIZE(pyFeatureList); ++j) {
|
fazekasgy@8
|
1026 #ifdef _DEBUG
|
fazekasgy@8
|
1027 cerr << "feature: " << j << endl;
|
fazekasgy@8
|
1028 #endif
|
fazekasgy@0
|
1029 pyDict = PyList_GET_ITEM(pyFeatureList,j);
|
fazekasgy@0
|
1030
|
fazekasgy@0
|
1031 if ( !PyDict_Check(pyDict) ) continue;
|
fazekasgy@0
|
1032
|
fazekasgy@0
|
1033 Py_ssize_t pyPos = NULL;
|
fazekasgy@0
|
1034 bool emptyFeature = true;
|
fazekasgy@0
|
1035 Feature feature;
|
fazekasgy@0
|
1036
|
fazekasgy@0
|
1037 while (PyDict_Next(pyDict, &pyPos, &pyKey, &pyValue))
|
fazekasgy@0
|
1038 {
|
fazekasgy@0
|
1039 emptyFeature = false;
|
fazekasgy@0
|
1040 switch (ffKeys[PyString_AsString(pyKey)])
|
fazekasgy@0
|
1041 {
|
cannam@18
|
1042 case unknown :
|
cannam@18
|
1043 cerr << "Unknown key in Vamp FeatureSet: "
|
fazekasgy@0
|
1044 << PyString_AsString(pyKey) << endl;
|
fazekasgy@0
|
1045 break;
|
fazekasgy@0
|
1046 case hasTimestamp:
|
fazekasgy@0
|
1047 feature.hasTimestamp = (bool) PyInt_AS_LONG(pyValue);
|
fazekasgy@0
|
1048 break;
|
fazekasgy@0
|
1049 case timeStamp:
|
fazekasgy@0
|
1050 feature.timestamp =
|
fazekasgy@8
|
1051 Vamp::RealTime::frame2RealTime(
|
fazekasgy@8
|
1052 PyLong_AsLong(pyValue),
|
fazekasgy@8
|
1053 (unsigned int) m_inputSampleRate );
|
fazekasgy@8
|
1054 #ifdef _DEBUG
|
fazekasgy@8
|
1055 cerr << "Timestamp: "
|
fazekasgy@8
|
1056 << (long)PyLong_AsLong(pyValue) << ", ->"
|
fazekasgy@8
|
1057 << feature.timestamp.toString() << endl;
|
fazekasgy@8
|
1058 #endif
|
fazekasgy@0
|
1059 break;
|
cannam@18
|
1060 case hasDuration:
|
cannam@18
|
1061 feature.hasDuration = (bool) PyInt_AS_LONG(pyValue);
|
cannam@18
|
1062 break;
|
cannam@18
|
1063 case duration:
|
cannam@18
|
1064 feature.duration =
|
cannam@18
|
1065 Vamp::RealTime::frame2RealTime(
|
cannam@18
|
1066 PyLong_AsLong(pyValue),
|
cannam@18
|
1067 (unsigned int) m_inputSampleRate );
|
cannam@18
|
1068 #ifdef _DEBUG
|
cannam@18
|
1069 cerr << "Duration: "
|
cannam@18
|
1070 << (long)PyLong_AsLong(pyValue) << ", ->"
|
cannam@18
|
1071 << feature.duration.toString() << endl;
|
cannam@18
|
1072 #endif
|
cannam@18
|
1073 break;
|
fazekasgy@0
|
1074 case values:
|
fazekasgy@0
|
1075 feature.values = PyList_As_FloatVector(pyValue);
|
fazekasgy@0
|
1076 break;
|
fazekasgy@0
|
1077 case label:
|
fazekasgy@0
|
1078 feature.label = PyString_AsString(pyValue);
|
fazekasgy@0
|
1079 break;
|
fazekasgy@0
|
1080 } // switch
|
fazekasgy@0
|
1081 } // while
|
fazekasgy@0
|
1082 if (emptyFeature) cerr << "Warning: This feature is empty or badly formatted." << endl;
|
fazekasgy@0
|
1083 else returnFeatures[i].push_back(feature);
|
fazekasgy@0
|
1084 }// for j
|
fazekasgy@0
|
1085 }//for i
|
fazekasgy@0
|
1086 Py_CLEAR(pyOutputList);
|
fazekasgy@0
|
1087 return returnFeatures;
|
fazekasgy@0
|
1088 }
|
fazekasgy@0
|
1089
|
fazekasgy@6
|
1090 bool
|
fazekasgy@6
|
1091 PyPlugin::initMaps() const
|
fazekasgy@6
|
1092 {
|
fazekasgy@6
|
1093
|
fazekasgy@6
|
1094 if (isMapInitialised) return true;
|
fazekasgy@6
|
1095
|
cannam@18
|
1096 outKeys["identifier"] = o::identifier;
|
cannam@18
|
1097 outKeys["name"] = o::name;
|
cannam@18
|
1098 outKeys["description"] = o::description;
|
cannam@18
|
1099 outKeys["unit"] = o::unit;
|
cannam@18
|
1100 outKeys["hasFixedBinCount"] = o::hasFixedBinCount;
|
cannam@18
|
1101 outKeys["binCount"] = o::binCount;
|
cannam@18
|
1102 outKeys["binNames"] = o::binNames;
|
cannam@18
|
1103 outKeys["hasKnownExtents"] = o::hasKnownExtents;
|
cannam@18
|
1104 outKeys["minValue"] = o::minValue;
|
cannam@18
|
1105 outKeys["maxValue"] = o::maxValue;
|
cannam@18
|
1106 outKeys["isQuantized"] = o::isQuantized;
|
cannam@18
|
1107 outKeys["quantizeStep"] = o::quantizeStep;
|
cannam@18
|
1108 outKeys["sampleType"] = o::sampleType;
|
cannam@18
|
1109 outKeys["sampleRate"] = o::sampleRate;
|
cannam@18
|
1110 outKeys["hasDuration"] = o::hasDuration;
|
fazekasgy@6
|
1111
|
fazekasgy@6
|
1112 sampleKeys["OneSamplePerStep"] = OneSamplePerStep;
|
fazekasgy@6
|
1113 sampleKeys["FixedSampleRate"] = FixedSampleRate;
|
fazekasgy@6
|
1114 sampleKeys["VariableSampleRate"] = VariableSampleRate;
|
fazekasgy@6
|
1115
|
fazekasgy@6
|
1116 ffKeys["hasTimestamp"] = hasTimestamp;
|
fazekasgy@6
|
1117 ffKeys["timeStamp"] = timeStamp;
|
cannam@18
|
1118 ffKeys["hasDuration"] = hasDuration;
|
cannam@18
|
1119 ffKeys["duration"] = duration;
|
fazekasgy@6
|
1120 ffKeys["values"] = values;
|
fazekasgy@6
|
1121 ffKeys["label"] = label;
|
fazekasgy@6
|
1122
|
fazekasgy@6
|
1123 parmKeys["identifier"] = p::identifier;
|
fazekasgy@6
|
1124 parmKeys["name"] = p::name;
|
fazekasgy@6
|
1125 parmKeys["description"] = p::description;
|
fazekasgy@6
|
1126 parmKeys["unit"] = p::unit;
|
fazekasgy@6
|
1127 parmKeys["minValue"] = p::minValue;
|
fazekasgy@6
|
1128 parmKeys["maxValue"] = p::maxValue;
|
fazekasgy@6
|
1129 parmKeys["defaultValue"] = p::defaultValue;
|
fazekasgy@6
|
1130 parmKeys["isQuantized"] = p::isQuantized;
|
cannam@22
|
1131 parmKeys["quantizeStep"] = p::quantizeStep;
|
fazekasgy@6
|
1132
|
fazekasgy@6
|
1133 isMapInitialised = true;
|
fazekasgy@6
|
1134 return true;
|
fazekasgy@6
|
1135 }
|
fazekasgy@6
|
1136
|
fazekasgy@6
|
1137
|
fazekasgy@6
|
1138 //missing API helper: convert Python list to C++ vector of strings
|
fazekasgy@6
|
1139 //TODO: these could be templates if we need more of this kind
|
fazekasgy@6
|
1140 std::vector<std::string>
|
fazekasgy@6
|
1141 PyPlugin::PyList_To_StringVector (PyObject *inputList) const {
|
fazekasgy@6
|
1142
|
fazekasgy@6
|
1143 std::vector<std::string> Output;
|
fazekasgy@6
|
1144 std::string ListElement;
|
fazekasgy@6
|
1145 PyObject *pyString = NULL;
|
fazekasgy@6
|
1146
|
fazekasgy@6
|
1147 if (!PyList_Check(inputList)) return Output;
|
fazekasgy@6
|
1148
|
fazekasgy@6
|
1149 for (Py_ssize_t i = 0; i < PyList_GET_SIZE(inputList); ++i) {
|
fazekasgy@6
|
1150 //Get next list item (Borrowed Reference)
|
fazekasgy@6
|
1151 pyString = PyList_GET_ITEM(inputList,i);
|
fazekasgy@6
|
1152 ListElement = (string) PyString_AsString(PyObject_Str(pyString));
|
fazekasgy@6
|
1153 Output.push_back(ListElement);
|
fazekasgy@6
|
1154 }
|
fazekasgy@6
|
1155 return Output;
|
fazekasgy@6
|
1156 }
|
fazekasgy@6
|
1157
|
fazekasgy@6
|
1158 //missing API helper: convert Python list to C++ vector of floats
|
fazekasgy@6
|
1159 std::vector<float>
|
fazekasgy@6
|
1160 PyPlugin::PyList_As_FloatVector (PyObject *inputList) const {
|
fazekasgy@6
|
1161
|
fazekasgy@6
|
1162 std::vector<float> Output;
|
fazekasgy@6
|
1163 float ListElement;
|
fazekasgy@6
|
1164 PyObject *pyFloat = NULL;
|
fazekasgy@6
|
1165
|
fazekasgy@6
|
1166 if (!PyList_Check(inputList)) return Output;
|
fazekasgy@6
|
1167
|
fazekasgy@6
|
1168 for (Py_ssize_t k = 0; k < PyList_GET_SIZE(inputList); ++k) {
|
fazekasgy@6
|
1169 //Get next list item (Borrowed Reference)
|
fazekasgy@6
|
1170 pyFloat = PyList_GET_ITEM(inputList,k);
|
fazekasgy@6
|
1171 ListElement = (float) PyFloat_AS_DOUBLE(pyFloat);
|
fazekasgy@8
|
1172 #ifdef _DEBUG
|
fazekasgy@8
|
1173 cerr << "value: " << ListElement << endl;
|
fazekasgy@8
|
1174 #endif
|
fazekasgy@6
|
1175 Output.push_back(ListElement);
|
fazekasgy@6
|
1176 }
|
fazekasgy@6
|
1177
|
fazekasgy@6
|
1178 return Output;
|
fazekasgy@6
|
1179 }
|
fazekasgy@6
|
1180
|
fazekasgy@6
|
1181 /* TODO: find out why this produces error, also
|
fazekasgy@6
|
1182 do sg more clever about handling RealTime
|
fazekasgy@6
|
1183 Vamp::RealTime
|
fazekasgy@6
|
1184 PyFrame_As_RealTime (PyObject *frameNo,size_t inputSampleRate) {
|
fazekasgy@6
|
1185 Vamp::RealTime result =
|
fazekasgy@6
|
1186 Vamp::RealTime::frame2RealTime((size_t)PyInt_AS_LONG(frameNo), inputSampleRate);
|
fazekasgy@6
|
1187 return result;
|
fazekasgy@6
|
1188 }
|
fazekasgy@6
|
1189 */
|
fazekasgy@6
|
1190
|