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63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/******************************************************************************
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*
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* Copyright 2022 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#include "lc3.h"
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#define PY_SSIZE_T_CLEAN
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#include <Python.h>
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#include <numpy/ndarrayobject.h>
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#include <energy.c>
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#include "ctypes.h"
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static PyObject *energy_compute_py(PyObject *m, PyObject *args)
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{
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unsigned dt, sr;
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PyObject *x_obj, *e_obj;
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float *x, *e;
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if (!PyArg_ParseTuple(args, "IIO", &dt, &sr, &x_obj))
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return NULL;
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CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT);
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CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE);
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int ns = LC3_NS(dt, sr);
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CTYPES_CHECK("x", to_1d_ptr(x_obj, NPY_FLOAT, ns, &x));
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e_obj = new_1d_ptr(NPY_FLOAT, LC3_NUM_BANDS, &e);
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int nn_flag = lc3_energy_compute(dt, sr, x, e);
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return Py_BuildValue("Ni", e_obj, nn_flag);
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}
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static PyMethodDef methods[] = {
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{ "energy_compute", energy_compute_py, METH_VARARGS },
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{ NULL },
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};
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PyMODINIT_FUNC lc3_energy_py_init(PyObject *m)
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{
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import_array();
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PyModule_AddFunctions(m, methods);
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return m;
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}
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