winsound.c
/* Author: Toby Dickenson <htrd90@zepler.org>
*
* Copyright (c) 1999 Toby Dickenson
*
* Permission to use this software in any way is granted without
* fee, provided that the copyright notice above appears in all
* copies. This software is provided "as is" without any warranty.
*/
/* Modified by Guido van Rossum */
/* Beep added by Mark Hammond */
/* Win9X Beep and platform identification added by Uncle Timmy */
/* Example:
import winsound
import time
# Play wav file
winsound.PlaySound('c:/windows/media/Chord.wav', winsound.SND_FILENAME)
# Play sound from control panel settings
winsound.PlaySound('SystemQuestion', winsound.SND_ALIAS)
# Play wav file from memory
data=open('c:/windows/media/Chimes.wav',"rb").read()
winsound.PlaySound(data, winsound.SND_MEMORY)
# Start playing the first bit of wav file asynchronously
winsound.PlaySound('c:/windows/media/Chord.wav',
winsound.SND_FILENAME|winsound.SND_ASYNC)
# But dont let it go for too long...
time.sleep(0.1)
# ...Before stopping it
winsound.PlaySound(None, 0)
*/
#include <Python.h>
#include <windows.h>
#include <mmsystem.h>
PyDoc_STRVAR(sound_module_doc,
"PlaySound(sound, flags) - play a sound\n"
"SND_FILENAME - sound is a wav file name\n"
"SND_ALIAS - sound is a registry sound association name\n"
"SND_LOOP - Play the sound repeatedly; must also specify SND_ASYNC\n"
"SND_MEMORY - sound is a memory image of a wav file\n"
"SND_PURGE - stop all instances of the specified sound\n"
"SND_ASYNC - PlaySound returns immediately\n"
"SND_NODEFAULT - Do not play a default beep if the sound can not be found\n"
"SND_NOSTOP - Do not interrupt any sounds currently playing\n" // Raising RuntimeError if needed
"SND_NOWAIT - Return immediately if the sound driver is busy\n" // Without any errors
"\n"
"Beep(frequency, duration) - Make a beep through the PC speaker.\n"
"MessageBeep(type) - Call Windows MessageBeep.");
/*[clinic input]
module winsound
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=a18401142d97b8d5]*/
#include "clinic/winsound.c.h"
/*[clinic input]
winsound.PlaySound
sound: object
The sound to play; a filename, data, or None.
flags: int
Flag values, ored together. See module documentation.
A wrapper around the Windows PlaySound API.
[clinic start generated code]*/
static PyObject *
winsound_PlaySound_impl(PyObject *module, PyObject *sound, int flags)
/*[clinic end generated code: output=49a0fd16a372ebeb input=c63e1f2d848da2f2]*/
{
int ok;
wchar_t *wsound;
Py_buffer view = {NULL, NULL};
if (sound == Py_None) {
wsound = NULL;
} else if (flags & SND_MEMORY) {
if (flags & SND_ASYNC) {
/* Sidestep reference counting headache; unfortunately this also
prevent SND_LOOP from memory. */
PyErr_SetString(PyExc_RuntimeError,
"Cannot play asynchronously from memory");
return NULL;
}
if (PyObject_GetBuffer(sound, &view, PyBUF_SIMPLE) < 0) {
return NULL;
}
wsound = (wchar_t *)view.buf;
} else {
if (!PyUnicode_Check(sound)) {
PyErr_Format(PyExc_TypeError,
"'sound' must be str or None, not '%s'",
Py_TYPE(sound)->tp_name);
return NULL;
}
wsound = PyUnicode_AsWideCharString(sound, NULL);
if (wsound == NULL) {
return NULL;
}
}
Py_BEGIN_ALLOW_THREADS
ok = PlaySoundW(wsound, NULL, flags);
Py_END_ALLOW_THREADS
if (view.obj) {
PyBuffer_Release(&view);
} else if (sound != Py_None) {
PyMem_Free(wsound);
}
if (!ok) {
PyErr_SetString(PyExc_RuntimeError, "Failed to play sound");
return NULL;
}
Py_RETURN_NONE;
}
/*[clinic input]
winsound.Beep
frequency: int
Frequency of the sound in hertz.
Must be in the range 37 through 32,767.
duration: int
How long the sound should play, in milliseconds.
A wrapper around the Windows Beep API.
[clinic start generated code]*/
static PyObject *
winsound_Beep_impl(PyObject *module, int frequency, int duration)
/*[clinic end generated code: output=f32382e52ee9b2fb input=40e360cfa00a5cf0]*/
{
BOOL ok;
if (frequency < 37 || frequency > 32767) {
PyErr_SetString(PyExc_ValueError,
"frequency must be in 37 thru 32767");
return NULL;
}
Py_BEGIN_ALLOW_THREADS
ok = Beep(frequency, duration);
Py_END_ALLOW_THREADS
if (!ok) {
PyErr_SetString(PyExc_RuntimeError,"Failed to beep");
return NULL;
}
Py_RETURN_NONE;
}
/*[clinic input]
winsound.MessageBeep
type: int(c_default="MB_OK") = MB_OK
Call Windows MessageBeep(x).
x defaults to MB_OK.
[clinic start generated code]*/
static PyObject *
winsound_MessageBeep_impl(PyObject *module, int type)
/*[clinic end generated code: output=120875455121121f input=db185f741ae21401]*/
{
BOOL ok;
Py_BEGIN_ALLOW_THREADS
ok = MessageBeep(type);
Py_END_ALLOW_THREADS
if (!ok) {
PyErr_SetExcFromWindowsErr(PyExc_RuntimeError, 0);
return NULL;
}
Py_RETURN_NONE;
}
static struct PyMethodDef sound_methods[] =
{
WINSOUND_PLAYSOUND_METHODDEF
WINSOUND_BEEP_METHODDEF
WINSOUND_MESSAGEBEEP_METHODDEF
{NULL, NULL}
};
static void
add_define(PyObject *dict, const char *key, long value)
{
PyObject *k = PyUnicode_FromString(key);
PyObject *v = PyLong_FromLong(value);
if (v && k) {
PyDict_SetItem(dict, k, v);
}
Py_XDECREF(k);
Py_XDECREF(v);
}
#define ADD_DEFINE(tok) add_define(dict,#tok,tok)
static struct PyModuleDef winsoundmodule = {
PyModuleDef_HEAD_INIT,
"winsound",
sound_module_doc,
-1,
sound_methods,
NULL,
NULL,
NULL,
NULL
};
PyMODINIT_FUNC
PyInit_winsound(void)
{
PyObject *dict;
PyObject *module = PyModule_Create(&winsoundmodule);
if (module == NULL)
return NULL;
dict = PyModule_GetDict(module);
ADD_DEFINE(SND_ASYNC);
ADD_DEFINE(SND_NODEFAULT);
ADD_DEFINE(SND_NOSTOP);
ADD_DEFINE(SND_NOWAIT);
ADD_DEFINE(SND_ALIAS);
ADD_DEFINE(SND_FILENAME);
ADD_DEFINE(SND_MEMORY);
ADD_DEFINE(SND_PURGE);
ADD_DEFINE(SND_LOOP);
ADD_DEFINE(SND_APPLICATION);
ADD_DEFINE(MB_OK);
ADD_DEFINE(MB_ICONASTERISK);
ADD_DEFINE(MB_ICONEXCLAMATION);
ADD_DEFINE(MB_ICONHAND);
ADD_DEFINE(MB_ICONQUESTION);
return module;
}
