ref: bcf47ea4a19444e2af92cfd25994e169a5b80a63
dir: /python/ext/py-phasevoc.c/
#include "aubio-types.h" static char Py_pvoc_doc[] = "pvoc object"; typedef struct { PyObject_HEAD aubio_pvoc_t * o; uint_t win_s; uint_t hop_s; fvec_t vecin; cvec_t cvecin; PyObject *output; cvec_t c_output; PyObject *routput; fvec_t c_routput; } Py_pvoc; static PyObject * Py_pvoc_new (PyTypeObject * type, PyObject * args, PyObject * kwds) { int win_s = 0, hop_s = 0; Py_pvoc *self; static char *kwlist[] = { "win_s", "hop_s", NULL }; if (!PyArg_ParseTupleAndKeywords (args, kwds, "|II", kwlist, &win_s, &hop_s)) { return NULL; } self = (Py_pvoc *) type->tp_alloc (type, 0); if (self == NULL) { return NULL; } self->win_s = Py_default_vector_length; self->hop_s = Py_default_vector_length/2; if (self == NULL) { return NULL; } if (win_s > 0) { self->win_s = win_s; } else if (win_s < 0) { PyErr_SetString (PyExc_ValueError, "can not use negative window size"); return NULL; } if (hop_s > 0) { self->hop_s = hop_s; } else if (hop_s < 0) { PyErr_SetString (PyExc_ValueError, "can not use negative hop size"); return NULL; } return (PyObject *) self; } static int Py_pvoc_init (Py_pvoc * self, PyObject * args, PyObject * kwds) { self->o = new_aubio_pvoc ( self->win_s, self->hop_s); if (self->o == NULL) { char_t errstr[30]; sprintf(errstr, "error creating pvoc with %d, %d", self->win_s, self->hop_s); PyErr_SetString (PyExc_RuntimeError, errstr); return -1; } self->output = new_py_cvec(self->win_s); self->routput = new_py_fvec(self->hop_s); return 0; } static void Py_pvoc_del (Py_pvoc *self, PyObject *unused) { Py_XDECREF(self->output); Py_XDECREF(self->routput); del_aubio_pvoc(self->o); Py_TYPE(self)->tp_free((PyObject *) self); } static PyObject * Py_pvoc_do(Py_pvoc * self, PyObject * args) { PyObject *input; if (!PyArg_ParseTuple (args, "O", &input)) { return NULL; } if (!PyAubio_ArrayToCFvec (input, &(self->vecin) )) { return NULL; } Py_INCREF(self->output); if (!PyAubio_PyCvecToCCvec (self->output, &(self->c_output))) { return NULL; } // compute the function aubio_pvoc_do (self->o, &(self->vecin), &(self->c_output)); return self->output; } static PyMemberDef Py_pvoc_members[] = { {"win_s", T_INT, offsetof (Py_pvoc, win_s), READONLY, "size of the window"}, {"hop_s", T_INT, offsetof (Py_pvoc, hop_s), READONLY, "size of the hop"}, { NULL } // sentinel }; static PyObject * Py_pvoc_rdo(Py_pvoc * self, PyObject * args) { PyObject *input; if (!PyArg_ParseTuple (args, "O", &input)) { return NULL; } if (!PyAubio_PyCvecToCCvec (input, &(self->cvecin) )) { return NULL; } Py_INCREF(self->routput); if (!PyAubio_ArrayToCFvec(self->routput, &(self->c_routput)) ) { return NULL; } // compute the function aubio_pvoc_rdo (self->o, &(self->cvecin), &(self->c_routput)); return self->routput; } static PyMethodDef Py_pvoc_methods[] = { {"rdo", (PyCFunction) Py_pvoc_rdo, METH_VARARGS, "synthesis of spectral grain"}, {NULL} }; PyTypeObject Py_pvocType = { PyVarObject_HEAD_INIT (NULL, 0) "aubio.pvoc", sizeof (Py_pvoc), 0, (destructor) Py_pvoc_del, 0, 0, 0, 0, 0, 0, 0, 0, 0, (ternaryfunc)Py_pvoc_do, 0, 0, 0, 0, Py_TPFLAGS_DEFAULT, Py_pvoc_doc, 0, 0, 0, 0, 0, 0, Py_pvoc_methods, Py_pvoc_members, 0, 0, 0, 0, 0, 0, (initproc) Py_pvoc_init, 0, Py_pvoc_new, };