cpython/Modules/clinic/audioop.c.h

1319 lines
36 KiB
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/*[clinic input]
preserve
[clinic start generated code]*/
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
# include "pycore_gc.h" // PyGC_Head
# include "pycore_runtime.h" // _Py_ID()
#endif
PyDoc_STRVAR(audioop_getsample__doc__,
"getsample($module, fragment, width, index, /)\n"
"--\n"
"\n"
"Return the value of sample index from the fragment.");
#define AUDIOOP_GETSAMPLE_METHODDEF \
{"getsample", _PyCFunction_CAST(audioop_getsample), METH_FASTCALL, audioop_getsample__doc__},
static PyObject *
audioop_getsample_impl(PyObject *module, Py_buffer *fragment, int width,
Py_ssize_t index);
static PyObject *
audioop_getsample(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
Py_ssize_t index;
if (!_PyArg_CheckPositional("getsample", nargs, 3, 3)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("getsample", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
{
Py_ssize_t ival = -1;
PyObject *iobj = _PyNumber_Index(args[2]);
if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj);
}
if (ival == -1 && PyErr_Occurred()) {
goto exit;
}
index = ival;
}
return_value = audioop_getsample_impl(module, &fragment, width, index);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_max__doc__,
"max($module, fragment, width, /)\n"
"--\n"
"\n"
"Return the maximum of the absolute value of all samples in a fragment.");
#define AUDIOOP_MAX_METHODDEF \
{"max", _PyCFunction_CAST(audioop_max), METH_FASTCALL, audioop_max__doc__},
static PyObject *
audioop_max_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_max(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("max", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("max", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_max_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_minmax__doc__,
"minmax($module, fragment, width, /)\n"
"--\n"
"\n"
"Return the minimum and maximum values of all samples in the sound fragment.");
#define AUDIOOP_MINMAX_METHODDEF \
{"minmax", _PyCFunction_CAST(audioop_minmax), METH_FASTCALL, audioop_minmax__doc__},
static PyObject *
audioop_minmax_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_minmax(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("minmax", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("minmax", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_minmax_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_avg__doc__,
"avg($module, fragment, width, /)\n"
"--\n"
"\n"
"Return the average over all samples in the fragment.");
#define AUDIOOP_AVG_METHODDEF \
{"avg", _PyCFunction_CAST(audioop_avg), METH_FASTCALL, audioop_avg__doc__},
static PyObject *
audioop_avg_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_avg(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("avg", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("avg", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_avg_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_rms__doc__,
"rms($module, fragment, width, /)\n"
"--\n"
"\n"
"Return the root-mean-square of the fragment, i.e. sqrt(sum(S_i^2)/n).");
#define AUDIOOP_RMS_METHODDEF \
{"rms", _PyCFunction_CAST(audioop_rms), METH_FASTCALL, audioop_rms__doc__},
static PyObject *
audioop_rms_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_rms(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("rms", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("rms", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_rms_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_findfit__doc__,
"findfit($module, fragment, reference, /)\n"
"--\n"
"\n"
"Try to match reference as well as possible to a portion of fragment.");
#define AUDIOOP_FINDFIT_METHODDEF \
{"findfit", _PyCFunction_CAST(audioop_findfit), METH_FASTCALL, audioop_findfit__doc__},
static PyObject *
audioop_findfit_impl(PyObject *module, Py_buffer *fragment,
Py_buffer *reference);
static PyObject *
audioop_findfit(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
Py_buffer reference = {NULL, NULL};
if (!_PyArg_CheckPositional("findfit", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("findfit", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
if (PyObject_GetBuffer(args[1], &reference, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&reference, 'C')) {
_PyArg_BadArgument("findfit", "argument 2", "contiguous buffer", args[1]);
goto exit;
}
return_value = audioop_findfit_impl(module, &fragment, &reference);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
/* Cleanup for reference */
if (reference.obj) {
PyBuffer_Release(&reference);
}
return return_value;
}
PyDoc_STRVAR(audioop_findfactor__doc__,
"findfactor($module, fragment, reference, /)\n"
"--\n"
"\n"
"Return a factor F such that rms(add(fragment, mul(reference, -F))) is minimal.");
#define AUDIOOP_FINDFACTOR_METHODDEF \
{"findfactor", _PyCFunction_CAST(audioop_findfactor), METH_FASTCALL, audioop_findfactor__doc__},
static PyObject *
audioop_findfactor_impl(PyObject *module, Py_buffer *fragment,
Py_buffer *reference);
static PyObject *
audioop_findfactor(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
Py_buffer reference = {NULL, NULL};
if (!_PyArg_CheckPositional("findfactor", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("findfactor", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
if (PyObject_GetBuffer(args[1], &reference, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&reference, 'C')) {
_PyArg_BadArgument("findfactor", "argument 2", "contiguous buffer", args[1]);
goto exit;
}
return_value = audioop_findfactor_impl(module, &fragment, &reference);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
/* Cleanup for reference */
if (reference.obj) {
PyBuffer_Release(&reference);
}
return return_value;
}
PyDoc_STRVAR(audioop_findmax__doc__,
"findmax($module, fragment, length, /)\n"
"--\n"
"\n"
"Search fragment for a slice of specified number of samples with maximum energy.");
#define AUDIOOP_FINDMAX_METHODDEF \
{"findmax", _PyCFunction_CAST(audioop_findmax), METH_FASTCALL, audioop_findmax__doc__},
static PyObject *
audioop_findmax_impl(PyObject *module, Py_buffer *fragment,
Py_ssize_t length);
static PyObject *
audioop_findmax(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
Py_ssize_t length;
if (!_PyArg_CheckPositional("findmax", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("findmax", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
{
Py_ssize_t ival = -1;
PyObject *iobj = _PyNumber_Index(args[1]);
if (iobj != NULL) {
ival = PyLong_AsSsize_t(iobj);
Py_DECREF(iobj);
}
if (ival == -1 && PyErr_Occurred()) {
goto exit;
}
length = ival;
}
return_value = audioop_findmax_impl(module, &fragment, length);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_avgpp__doc__,
"avgpp($module, fragment, width, /)\n"
"--\n"
"\n"
"Return the average peak-peak value over all samples in the fragment.");
#define AUDIOOP_AVGPP_METHODDEF \
{"avgpp", _PyCFunction_CAST(audioop_avgpp), METH_FASTCALL, audioop_avgpp__doc__},
static PyObject *
audioop_avgpp_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_avgpp(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("avgpp", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("avgpp", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_avgpp_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_maxpp__doc__,
"maxpp($module, fragment, width, /)\n"
"--\n"
"\n"
"Return the maximum peak-peak value in the sound fragment.");
#define AUDIOOP_MAXPP_METHODDEF \
{"maxpp", _PyCFunction_CAST(audioop_maxpp), METH_FASTCALL, audioop_maxpp__doc__},
static PyObject *
audioop_maxpp_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_maxpp(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("maxpp", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("maxpp", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_maxpp_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_cross__doc__,
"cross($module, fragment, width, /)\n"
"--\n"
"\n"
"Return the number of zero crossings in the fragment passed as an argument.");
#define AUDIOOP_CROSS_METHODDEF \
{"cross", _PyCFunction_CAST(audioop_cross), METH_FASTCALL, audioop_cross__doc__},
static PyObject *
audioop_cross_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_cross(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("cross", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("cross", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_cross_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_mul__doc__,
"mul($module, fragment, width, factor, /)\n"
"--\n"
"\n"
"Return a fragment that has all samples in the original fragment multiplied by the floating-point value factor.");
#define AUDIOOP_MUL_METHODDEF \
{"mul", _PyCFunction_CAST(audioop_mul), METH_FASTCALL, audioop_mul__doc__},
static PyObject *
audioop_mul_impl(PyObject *module, Py_buffer *fragment, int width,
double factor);
static PyObject *
audioop_mul(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
double factor;
if (!_PyArg_CheckPositional("mul", nargs, 3, 3)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("mul", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
if (PyFloat_CheckExact(args[2])) {
factor = PyFloat_AS_DOUBLE(args[2]);
}
else
{
factor = PyFloat_AsDouble(args[2]);
if (factor == -1.0 && PyErr_Occurred()) {
goto exit;
}
}
return_value = audioop_mul_impl(module, &fragment, width, factor);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_tomono__doc__,
"tomono($module, fragment, width, lfactor, rfactor, /)\n"
"--\n"
"\n"
"Convert a stereo fragment to a mono fragment.");
#define AUDIOOP_TOMONO_METHODDEF \
{"tomono", _PyCFunction_CAST(audioop_tomono), METH_FASTCALL, audioop_tomono__doc__},
static PyObject *
audioop_tomono_impl(PyObject *module, Py_buffer *fragment, int width,
double lfactor, double rfactor);
static PyObject *
audioop_tomono(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
double lfactor;
double rfactor;
if (!_PyArg_CheckPositional("tomono", nargs, 4, 4)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("tomono", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
if (PyFloat_CheckExact(args[2])) {
lfactor = PyFloat_AS_DOUBLE(args[2]);
}
else
{
lfactor = PyFloat_AsDouble(args[2]);
if (lfactor == -1.0 && PyErr_Occurred()) {
goto exit;
}
}
if (PyFloat_CheckExact(args[3])) {
rfactor = PyFloat_AS_DOUBLE(args[3]);
}
else
{
rfactor = PyFloat_AsDouble(args[3]);
if (rfactor == -1.0 && PyErr_Occurred()) {
goto exit;
}
}
return_value = audioop_tomono_impl(module, &fragment, width, lfactor, rfactor);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_tostereo__doc__,
"tostereo($module, fragment, width, lfactor, rfactor, /)\n"
"--\n"
"\n"
"Generate a stereo fragment from a mono fragment.");
#define AUDIOOP_TOSTEREO_METHODDEF \
{"tostereo", _PyCFunction_CAST(audioop_tostereo), METH_FASTCALL, audioop_tostereo__doc__},
static PyObject *
audioop_tostereo_impl(PyObject *module, Py_buffer *fragment, int width,
double lfactor, double rfactor);
static PyObject *
audioop_tostereo(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
double lfactor;
double rfactor;
if (!_PyArg_CheckPositional("tostereo", nargs, 4, 4)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("tostereo", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
if (PyFloat_CheckExact(args[2])) {
lfactor = PyFloat_AS_DOUBLE(args[2]);
}
else
{
lfactor = PyFloat_AsDouble(args[2]);
if (lfactor == -1.0 && PyErr_Occurred()) {
goto exit;
}
}
if (PyFloat_CheckExact(args[3])) {
rfactor = PyFloat_AS_DOUBLE(args[3]);
}
else
{
rfactor = PyFloat_AsDouble(args[3]);
if (rfactor == -1.0 && PyErr_Occurred()) {
goto exit;
}
}
return_value = audioop_tostereo_impl(module, &fragment, width, lfactor, rfactor);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_add__doc__,
"add($module, fragment1, fragment2, width, /)\n"
"--\n"
"\n"
"Return a fragment which is the addition of the two samples passed as parameters.");
#define AUDIOOP_ADD_METHODDEF \
{"add", _PyCFunction_CAST(audioop_add), METH_FASTCALL, audioop_add__doc__},
static PyObject *
audioop_add_impl(PyObject *module, Py_buffer *fragment1,
Py_buffer *fragment2, int width);
static PyObject *
audioop_add(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment1 = {NULL, NULL};
Py_buffer fragment2 = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("add", nargs, 3, 3)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment1, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment1, 'C')) {
_PyArg_BadArgument("add", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
if (PyObject_GetBuffer(args[1], &fragment2, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment2, 'C')) {
_PyArg_BadArgument("add", "argument 2", "contiguous buffer", args[1]);
goto exit;
}
width = _PyLong_AsInt(args[2]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_add_impl(module, &fragment1, &fragment2, width);
exit:
/* Cleanup for fragment1 */
if (fragment1.obj) {
PyBuffer_Release(&fragment1);
}
/* Cleanup for fragment2 */
if (fragment2.obj) {
PyBuffer_Release(&fragment2);
}
return return_value;
}
PyDoc_STRVAR(audioop_bias__doc__,
"bias($module, fragment, width, bias, /)\n"
"--\n"
"\n"
"Return a fragment that is the original fragment with a bias added to each sample.");
#define AUDIOOP_BIAS_METHODDEF \
{"bias", _PyCFunction_CAST(audioop_bias), METH_FASTCALL, audioop_bias__doc__},
static PyObject *
audioop_bias_impl(PyObject *module, Py_buffer *fragment, int width, int bias);
static PyObject *
audioop_bias(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
int bias;
if (!_PyArg_CheckPositional("bias", nargs, 3, 3)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("bias", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
bias = _PyLong_AsInt(args[2]);
if (bias == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_bias_impl(module, &fragment, width, bias);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_reverse__doc__,
"reverse($module, fragment, width, /)\n"
"--\n"
"\n"
"Reverse the samples in a fragment and returns the modified fragment.");
#define AUDIOOP_REVERSE_METHODDEF \
{"reverse", _PyCFunction_CAST(audioop_reverse), METH_FASTCALL, audioop_reverse__doc__},
static PyObject *
audioop_reverse_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_reverse(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("reverse", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("reverse", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_reverse_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_byteswap__doc__,
"byteswap($module, fragment, width, /)\n"
"--\n"
"\n"
"Convert big-endian samples to little-endian and vice versa.");
#define AUDIOOP_BYTESWAP_METHODDEF \
{"byteswap", _PyCFunction_CAST(audioop_byteswap), METH_FASTCALL, audioop_byteswap__doc__},
static PyObject *
audioop_byteswap_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_byteswap(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("byteswap", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("byteswap", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_byteswap_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_lin2lin__doc__,
"lin2lin($module, fragment, width, newwidth, /)\n"
"--\n"
"\n"
"Convert samples between 1-, 2-, 3- and 4-byte formats.");
#define AUDIOOP_LIN2LIN_METHODDEF \
{"lin2lin", _PyCFunction_CAST(audioop_lin2lin), METH_FASTCALL, audioop_lin2lin__doc__},
static PyObject *
audioop_lin2lin_impl(PyObject *module, Py_buffer *fragment, int width,
int newwidth);
static PyObject *
audioop_lin2lin(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
int newwidth;
if (!_PyArg_CheckPositional("lin2lin", nargs, 3, 3)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("lin2lin", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
newwidth = _PyLong_AsInt(args[2]);
if (newwidth == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_lin2lin_impl(module, &fragment, width, newwidth);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_ratecv__doc__,
"ratecv($module, fragment, width, nchannels, inrate, outrate, state,\n"
" weightA=1, weightB=0, /)\n"
"--\n"
"\n"
"Convert the frame rate of the input fragment.");
#define AUDIOOP_RATECV_METHODDEF \
{"ratecv", _PyCFunction_CAST(audioop_ratecv), METH_FASTCALL, audioop_ratecv__doc__},
static PyObject *
audioop_ratecv_impl(PyObject *module, Py_buffer *fragment, int width,
int nchannels, int inrate, int outrate, PyObject *state,
int weightA, int weightB);
static PyObject *
audioop_ratecv(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
int nchannels;
int inrate;
int outrate;
PyObject *state;
int weightA = 1;
int weightB = 0;
if (!_PyArg_CheckPositional("ratecv", nargs, 6, 8)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("ratecv", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
nchannels = _PyLong_AsInt(args[2]);
if (nchannels == -1 && PyErr_Occurred()) {
goto exit;
}
inrate = _PyLong_AsInt(args[3]);
if (inrate == -1 && PyErr_Occurred()) {
goto exit;
}
outrate = _PyLong_AsInt(args[4]);
if (outrate == -1 && PyErr_Occurred()) {
goto exit;
}
state = args[5];
if (nargs < 7) {
goto skip_optional;
}
weightA = _PyLong_AsInt(args[6]);
if (weightA == -1 && PyErr_Occurred()) {
goto exit;
}
if (nargs < 8) {
goto skip_optional;
}
weightB = _PyLong_AsInt(args[7]);
if (weightB == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional:
return_value = audioop_ratecv_impl(module, &fragment, width, nchannels, inrate, outrate, state, weightA, weightB);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_lin2ulaw__doc__,
"lin2ulaw($module, fragment, width, /)\n"
"--\n"
"\n"
"Convert samples in the audio fragment to u-LAW encoding.");
#define AUDIOOP_LIN2ULAW_METHODDEF \
{"lin2ulaw", _PyCFunction_CAST(audioop_lin2ulaw), METH_FASTCALL, audioop_lin2ulaw__doc__},
static PyObject *
audioop_lin2ulaw_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_lin2ulaw(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("lin2ulaw", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("lin2ulaw", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_lin2ulaw_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_ulaw2lin__doc__,
"ulaw2lin($module, fragment, width, /)\n"
"--\n"
"\n"
"Convert sound fragments in u-LAW encoding to linearly encoded sound fragments.");
#define AUDIOOP_ULAW2LIN_METHODDEF \
{"ulaw2lin", _PyCFunction_CAST(audioop_ulaw2lin), METH_FASTCALL, audioop_ulaw2lin__doc__},
static PyObject *
audioop_ulaw2lin_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_ulaw2lin(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("ulaw2lin", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("ulaw2lin", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_ulaw2lin_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_lin2alaw__doc__,
"lin2alaw($module, fragment, width, /)\n"
"--\n"
"\n"
"Convert samples in the audio fragment to a-LAW encoding.");
#define AUDIOOP_LIN2ALAW_METHODDEF \
{"lin2alaw", _PyCFunction_CAST(audioop_lin2alaw), METH_FASTCALL, audioop_lin2alaw__doc__},
static PyObject *
audioop_lin2alaw_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_lin2alaw(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("lin2alaw", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("lin2alaw", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_lin2alaw_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_alaw2lin__doc__,
"alaw2lin($module, fragment, width, /)\n"
"--\n"
"\n"
"Convert sound fragments in a-LAW encoding to linearly encoded sound fragments.");
#define AUDIOOP_ALAW2LIN_METHODDEF \
{"alaw2lin", _PyCFunction_CAST(audioop_alaw2lin), METH_FASTCALL, audioop_alaw2lin__doc__},
static PyObject *
audioop_alaw2lin_impl(PyObject *module, Py_buffer *fragment, int width);
static PyObject *
audioop_alaw2lin(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
if (!_PyArg_CheckPositional("alaw2lin", nargs, 2, 2)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("alaw2lin", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
return_value = audioop_alaw2lin_impl(module, &fragment, width);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_lin2adpcm__doc__,
"lin2adpcm($module, fragment, width, state, /)\n"
"--\n"
"\n"
"Convert samples to 4 bit Intel/DVI ADPCM encoding.");
#define AUDIOOP_LIN2ADPCM_METHODDEF \
{"lin2adpcm", _PyCFunction_CAST(audioop_lin2adpcm), METH_FASTCALL, audioop_lin2adpcm__doc__},
static PyObject *
audioop_lin2adpcm_impl(PyObject *module, Py_buffer *fragment, int width,
PyObject *state);
static PyObject *
audioop_lin2adpcm(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
PyObject *state;
if (!_PyArg_CheckPositional("lin2adpcm", nargs, 3, 3)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("lin2adpcm", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
state = args[2];
return_value = audioop_lin2adpcm_impl(module, &fragment, width, state);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
PyDoc_STRVAR(audioop_adpcm2lin__doc__,
"adpcm2lin($module, fragment, width, state, /)\n"
"--\n"
"\n"
"Decode an Intel/DVI ADPCM coded fragment to a linear fragment.");
#define AUDIOOP_ADPCM2LIN_METHODDEF \
{"adpcm2lin", _PyCFunction_CAST(audioop_adpcm2lin), METH_FASTCALL, audioop_adpcm2lin__doc__},
static PyObject *
audioop_adpcm2lin_impl(PyObject *module, Py_buffer *fragment, int width,
PyObject *state);
static PyObject *
audioop_adpcm2lin(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
Py_buffer fragment = {NULL, NULL};
int width;
PyObject *state;
if (!_PyArg_CheckPositional("adpcm2lin", nargs, 3, 3)) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &fragment, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!PyBuffer_IsContiguous(&fragment, 'C')) {
_PyArg_BadArgument("adpcm2lin", "argument 1", "contiguous buffer", args[0]);
goto exit;
}
width = _PyLong_AsInt(args[1]);
if (width == -1 && PyErr_Occurred()) {
goto exit;
}
state = args[2];
return_value = audioop_adpcm2lin_impl(module, &fragment, width, state);
exit:
/* Cleanup for fragment */
if (fragment.obj) {
PyBuffer_Release(&fragment);
}
return return_value;
}
/*[clinic end generated code: output=9a7e36f1179f0223 input=a9049054013a1b77]*/