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1 /*
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2
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3 * Vampy : This plugin is a wrapper around the Vamp plugin API.
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4 * It allows for writing Vamp plugins in Python.
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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 (C) 2008-2009 Gyorgy Fazekas, QMUL. (See Vamp sources
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8 * for licence information.)
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9
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10 */
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11
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12 #include <Python.h>
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13 #include "PyFeatureSet.h"
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14 #include "vamp-sdk/Plugin.h"
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15
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16 using namespace std;
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17
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18 static int
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19 FeatureSet_init(FeatureSetObject *self, PyObject *args, PyObject *kwds)
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20 {
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21 if (PyDict_Type.tp_init((PyObject *)self, args, kwds) < 0)
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22 return -1;
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23 return 0;
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24 }
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25
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26 static int
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27 FeatureSetObject_ass_sub(FeatureSetObject *mp, PyObject *v, PyObject *w)
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28 {
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29 if (!PyInt_CheckExact(v)) {
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30 PyErr_SetString(PyExc_ValueError,
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31 "Output index must be positive integer.");
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32 return 0;
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33 }
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34 if (w == NULL)
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35 return PyDict_DelItem((PyObject *)mp, v);
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36 else
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37 return PyDict_SetItem((PyObject *)mp, v, w);
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38 }
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39
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40 #define FeatureSet_alloc PyType_GenericAlloc
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41 #define FeatureSet_free PyObject_Del
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42 //#define FeatureSet_as_mapping PyDict_Type.tp_as_mapping
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43
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44 static PyMappingMethods FeatureSet_as_mapping = *(PyDict_Type.tp_as_mapping);
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45
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46 PyTypeObject FeatureSet_Type = PyDict_Type;
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47
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48 void
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49 initFeatureSetType(void)
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50 {
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51 /*This type is derived from PyDict. We just override some slots here.*/
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52 /*The typical use case is index based assignment as opposed to object memeber access.*/
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53 FeatureSet_Type.ob_type = &PyType_Type;
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54 FeatureSet_Type.tp_base = &PyDict_Type;
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55 FeatureSet_Type.tp_bases = PyTuple_Pack(1, FeatureSet_Type.tp_base);
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56 FeatureSet_Type.tp_name = "vampy.FeatureSet";
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57 // FeatureSet_Type.tp_new = FeatureSet_new;
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58 FeatureSet_Type.tp_init = (initproc)FeatureSet_init;
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59 FeatureSet_Type.tp_basicsize = sizeof(FeatureSetObject);
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60 FeatureSet_as_mapping.mp_ass_subscript = (objobjargproc)FeatureSetObject_ass_sub;
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61 FeatureSet_Type.tp_as_mapping = &FeatureSet_as_mapping;
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62 }
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63
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