Changeset b532275


Ignore:
Timestamp:
Sep 15, 2018, 2:57:36 PM (15 months ago)
Author:
Paul Brossier <piem@piem.org>
Branches:
feature/autosink, feature/constantq, feature/pitchshift, feature/pydocstrings, feature/timestretch, master
Children:
87e181d
Parents:
6f3dfc0
Message:

python/ext/py-musicutils.*: add shift(fvec) and ishift(fvec)

Location:
python/ext
Files:
3 edited

Legend:

Unmodified
Added
Removed
  • python/ext/aubiomodule.c

    r6f3dfc0 rb532275  
    243243  {"level_detection", Py_aubio_level_detection, METH_VARARGS, Py_aubio_level_detection_doc},
    244244  {"window", Py_aubio_window, METH_VARARGS, Py_aubio_window_doc},
     245  {"shift", Py_aubio_shift, METH_VARARGS, Py_aubio_shift_doc},
     246  {"ishift", Py_aubio_ishift, METH_VARARGS, Py_aubio_ishift_doc},
    245247  {NULL, NULL, 0, NULL} /* Sentinel */
    246248};
  • python/ext/py-musicutils.c

    r6f3dfc0 rb532275  
    134134  return level_detection;
    135135}
     136
     137PyObject *
     138Py_aubio_shift(PyObject *self, PyObject *args)
     139{
     140  PyObject *input;
     141  fvec_t vec;
     142
     143  if (!PyArg_ParseTuple (args, "O:shift", &input)) {
     144    return NULL;
     145  }
     146
     147  if (input == NULL) {
     148    return NULL;
     149  }
     150
     151  if (!PyAubio_ArrayToCFvec(input, &vec)) {
     152    return NULL;
     153  }
     154
     155  fvec_shift(&vec);
     156
     157  //Py_RETURN_NONE;
     158  return (PyObject *) PyAubio_CFvecToArray(&vec);
     159}
     160
     161PyObject *
     162Py_aubio_ishift(PyObject *self, PyObject *args)
     163{
     164  PyObject *input;
     165  fvec_t vec;
     166
     167  if (!PyArg_ParseTuple (args, "O:shift", &input)) {
     168    return NULL;
     169  }
     170
     171  if (input == NULL) {
     172    return NULL;
     173  }
     174
     175  if (!PyAubio_ArrayToCFvec(input, &vec)) {
     176    return NULL;
     177  }
     178
     179  fvec_ishift(&vec);
     180
     181  //Py_RETURN_NONE;
     182  return (PyObject *) PyAubio_CFvecToArray(&vec);
     183}
  • python/ext/py-musicutils.h

    r6f3dfc0 rb532275  
    7272PyObject * Py_aubio_level_detection(PyObject *self, PyObject *args);
    7373
     74static char Py_aubio_shift_doc[] = ""
     75"Swap left and right partitions of a vector\n"
     76"\n"
     77"Returns the swapped vector. The input vector is also modified.\n"
     78"\n"
     79"For a vector of length N, the partition is split at index N - N//2.\n"
     80"\n"
     81"Example\n"
     82"-------\n"
     83"\n"
     84">>> import numpy\n"
     85">>> shift(numpy.arange(3, dtype=aubio.float_type))\n"
     86"array([2., 0., 1.], dtype=" AUBIO_NPY_SMPL_STR ")";
     87PyObject * Py_aubio_shift(PyObject *self, PyObject *args);
     88
     89static char Py_aubio_ishift_doc[] = ""
     90"Swap right and left partitions of a vector\n"
     91"\n"
     92"Returns the swapped vector. The input vector is also modified.\n"
     93"\n"
     94"Unlike with shift(), the partition is split at index N//2.\n"
     95"\n"
     96"Example\n"
     97"-------\n"
     98"\n"
     99">>> import numpy\n"
     100">>> ishift(numpy.arange(3, dtype=aubio.float_type))\n"
     101"array([1., 2., 0.], dtype=" AUBIO_NPY_SMPL_STR ")";
     102PyObject * Py_aubio_ishift(PyObject *self, PyObject *args);
     103
    74104#endif /* PY_AUBIO_MUSICUTILS_H */
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