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 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 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