1 /******************************************************************************
2  *
3  *  Copyright 2022 Google LLC
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #include <Python.h>
20 #include <numpy/ndarrayobject.h>
21 
22 #include <bwdet.c>
23 #include "ctypes.h"
24 
bwdet_run_py(PyObject * m,PyObject * args)25 static PyObject *bwdet_run_py(PyObject *m, PyObject *args)
26 {
27     unsigned dt, sr;
28     PyObject *e_obj;
29     float *e;
30 
31     if (!PyArg_ParseTuple(args, "IIO", &dt, &sr, &e_obj))
32         return NULL;
33 
34     CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT);
35     CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE);
36     CTYPES_CHECK("e", to_1d_ptr(e_obj, NPY_FLOAT, LC3_NUM_BANDS, &e));
37 
38     int bw = lc3_bwdet_run(dt, sr, e);
39 
40     return Py_BuildValue("i", bw);
41 }
42 
43 static PyMethodDef methods[] = {
44     { "bwdet_run", bwdet_run_py, METH_VARARGS },
45     { NULL },
46 };
47 
lc3_bwdet_py_init(PyObject * m)48 PyMODINIT_FUNC lc3_bwdet_py_init(PyObject *m)
49 {
50     import_array();
51 
52     PyModule_AddFunctions(m, methods);
53 
54     return m;
55 }
56