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 <attdet.c>
23 #include "ctypes.h"
24
attdet_run_py(PyObject * m,PyObject * args)25 static PyObject *attdet_run_py(PyObject *m, PyObject *args)
26 {
27 unsigned dt, sr, nbytes;
28 PyObject *attdet_obj, *x_obj;
29 struct lc3_attdet_analysis attdet = { 0 };
30 int16_t *x;
31
32 if (!PyArg_ParseTuple(args, "IIIOO",
33 &dt, &sr, &nbytes, &attdet_obj, &x_obj))
34 return NULL;
35
36 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT);
37 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE);
38 CTYPES_CHECK(NULL, attdet_obj = to_attdet_analysis(attdet_obj, &attdet));
39
40 int ns = LC3_NS(dt, sr);
41
42 CTYPES_CHECK("x", x_obj = to_1d_ptr(x_obj, NPY_INT16, ns+6, &x));
43
44 int att = lc3_attdet_run(dt, sr, nbytes, &attdet, x+6);
45
46 from_attdet_analysis(attdet_obj, &attdet);
47 return Py_BuildValue("i", att);
48 }
49
50 static PyMethodDef methods[] = {
51 { "attdet_run", attdet_run_py, METH_VARARGS },
52 { NULL },
53 };
54
lc3_attdet_py_init(PyObject * m)55 PyMODINIT_FUNC lc3_attdet_py_init(PyObject *m)
56 {
57 import_array();
58
59 PyModule_AddFunctions(m, methods);
60
61 return m;
62 }
63
