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 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 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