1 /* Author: Toby Dickenson <htrd90@zepler.org>
2 *
3 * Copyright (c) 1999 Toby Dickenson
4 *
5 * Permission to use this software in any way is granted without
6 * fee, provided that the copyright notice above appears in all
7 * copies. This software is provided "as is" without any warranty.
8 */
9
10 /* Modified by Guido van Rossum */
11 /* Beep added by Mark Hammond */
12 /* Win9X Beep and platform identification added by Uncle Timmy */
13
14 /* Example:
15
16 import winsound
17 import time
18
19 # Play wav file
20 winsound.PlaySound('c:/windows/media/Chord.wav', winsound.SND_FILENAME)
21
22 # Play sound from control panel settings
23 winsound.PlaySound('SystemQuestion', winsound.SND_ALIAS)
24
25 # Play wav file from memory
26 data=open('c:/windows/media/Chimes.wav',"rb").read()
27 winsound.PlaySound(data, winsound.SND_MEMORY)
28
29 # Start playing the first bit of wav file asynchronously
30 winsound.PlaySound('c:/windows/media/Chord.wav',
31 winsound.SND_FILENAME|winsound.SND_ASYNC)
32 # But don't let it go for too long...
33 time.sleep(0.1)
34 # ...Before stopping it
35 winsound.PlaySound(None, 0)
36 */
37
38 #include <Python.h>
39 #include <windows.h>
40 #include <mmsystem.h>
41
42 PyDoc_STRVAR(sound_module_doc,
43 "PlaySound(sound, flags) - play a sound\n"
44 "SND_FILENAME - sound is a wav file name\n"
45 "SND_ALIAS - sound is a registry sound association name\n"
46 "SND_LOOP - Play the sound repeatedly; must also specify SND_ASYNC\n"
47 "SND_MEMORY - sound is a memory image of a wav file\n"
48 "SND_PURGE - stop all instances of the specified sound\n"
49 "SND_ASYNC - PlaySound returns immediately\n"
50 "SND_NODEFAULT - Do not play a default beep if the sound can not be found\n"
51 "SND_NOSTOP - Do not interrupt any sounds currently playing\n" // Raising RuntimeError if needed
52 "SND_NOWAIT - Return immediately if the sound driver is busy\n" // Without any errors
53 "\n"
54 "Beep(frequency, duration) - Make a beep through the PC speaker.\n"
55 "MessageBeep(type) - Call Windows MessageBeep.");
56
57 /*[clinic input]
58 module winsound
59 [clinic start generated code]*/
60 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=a18401142d97b8d5]*/
61
62 #include "clinic/winsound.c.h"
63
64 /*[clinic input]
65 winsound.PlaySound
66
67 sound: object
68 The sound to play; a filename, data, or None.
69 flags: int
70 Flag values, ored together. See module documentation.
71
72 A wrapper around the Windows PlaySound API.
73 [clinic start generated code]*/
74
75 static PyObject *
winsound_PlaySound_impl(PyObject * module,PyObject * sound,int flags)76 winsound_PlaySound_impl(PyObject *module, PyObject *sound, int flags)
77 /*[clinic end generated code: output=49a0fd16a372ebeb input=c63e1f2d848da2f2]*/
78 {
79 int ok;
80 wchar_t *wsound;
81 Py_buffer view = {NULL, NULL};
82
83 if (sound == Py_None) {
84 wsound = NULL;
85 } else if (flags & SND_MEMORY) {
86 if (flags & SND_ASYNC) {
87 /* Sidestep reference counting headache; unfortunately this also
88 prevent SND_LOOP from memory. */
89 PyErr_SetString(PyExc_RuntimeError,
90 "Cannot play asynchronously from memory");
91 return NULL;
92 }
93 if (PyObject_GetBuffer(sound, &view, PyBUF_SIMPLE) < 0) {
94 return NULL;
95 }
96 wsound = (wchar_t *)view.buf;
97 } else {
98 if (!PyUnicode_Check(sound)) {
99 PyErr_Format(PyExc_TypeError,
100 "'sound' must be str or None, not '%s'",
101 Py_TYPE(sound)->tp_name);
102 return NULL;
103 }
104 wsound = PyUnicode_AsWideCharString(sound, NULL);
105 if (wsound == NULL) {
106 return NULL;
107 }
108 }
109
110
111 Py_BEGIN_ALLOW_THREADS
112 ok = PlaySoundW(wsound, NULL, flags);
113 Py_END_ALLOW_THREADS
114 if (view.obj) {
115 PyBuffer_Release(&view);
116 } else if (sound != Py_None) {
117 PyMem_Free(wsound);
118 }
119 if (!ok) {
120 PyErr_SetString(PyExc_RuntimeError, "Failed to play sound");
121 return NULL;
122 }
123 Py_RETURN_NONE;
124 }
125
126 /*[clinic input]
127 winsound.Beep
128
129 frequency: int
130 Frequency of the sound in hertz.
131 Must be in the range 37 through 32,767.
132 duration: int
133 How long the sound should play, in milliseconds.
134
135 A wrapper around the Windows Beep API.
136 [clinic start generated code]*/
137
138 static PyObject *
winsound_Beep_impl(PyObject * module,int frequency,int duration)139 winsound_Beep_impl(PyObject *module, int frequency, int duration)
140 /*[clinic end generated code: output=f32382e52ee9b2fb input=40e360cfa00a5cf0]*/
141 {
142 BOOL ok;
143
144 if (frequency < 37 || frequency > 32767) {
145 PyErr_SetString(PyExc_ValueError,
146 "frequency must be in 37 thru 32767");
147 return NULL;
148 }
149
150 Py_BEGIN_ALLOW_THREADS
151 ok = Beep(frequency, duration);
152 Py_END_ALLOW_THREADS
153 if (!ok) {
154 PyErr_SetString(PyExc_RuntimeError,"Failed to beep");
155 return NULL;
156 }
157
158 Py_RETURN_NONE;
159 }
160
161 /*[clinic input]
162 winsound.MessageBeep
163
164 type: int(c_default="MB_OK") = MB_OK
165
166 Call Windows MessageBeep(x).
167
168 x defaults to MB_OK.
169 [clinic start generated code]*/
170
171 static PyObject *
winsound_MessageBeep_impl(PyObject * module,int type)172 winsound_MessageBeep_impl(PyObject *module, int type)
173 /*[clinic end generated code: output=120875455121121f input=db185f741ae21401]*/
174 {
175 BOOL ok;
176
177 Py_BEGIN_ALLOW_THREADS
178 ok = MessageBeep(type);
179 Py_END_ALLOW_THREADS
180
181 if (!ok) {
182 PyErr_SetExcFromWindowsErr(PyExc_RuntimeError, 0);
183 return NULL;
184 }
185
186 Py_RETURN_NONE;
187 }
188
189 static struct PyMethodDef sound_methods[] =
190 {
191 WINSOUND_PLAYSOUND_METHODDEF
192 WINSOUND_BEEP_METHODDEF
193 WINSOUND_MESSAGEBEEP_METHODDEF
194 {NULL, NULL}
195 };
196
197 static void
add_define(PyObject * dict,const char * key,long value)198 add_define(PyObject *dict, const char *key, long value)
199 {
200 PyObject *k = PyUnicode_FromString(key);
201 PyObject *v = PyLong_FromLong(value);
202 if (v && k) {
203 PyDict_SetItem(dict, k, v);
204 }
205 Py_XDECREF(k);
206 Py_XDECREF(v);
207 }
208
209 #define ADD_DEFINE(tok) add_define(dict,#tok,tok)
210
211
212 static struct PyModuleDef winsoundmodule = {
213 PyModuleDef_HEAD_INIT,
214 "winsound",
215 sound_module_doc,
216 -1,
217 sound_methods,
218 NULL,
219 NULL,
220 NULL,
221 NULL
222 };
223
224 PyMODINIT_FUNC
PyInit_winsound(void)225 PyInit_winsound(void)
226 {
227 PyObject *dict;
228 PyObject *module = PyModule_Create(&winsoundmodule);
229 if (module == NULL)
230 return NULL;
231 dict = PyModule_GetDict(module);
232
233 ADD_DEFINE(SND_ASYNC);
234 ADD_DEFINE(SND_NODEFAULT);
235 ADD_DEFINE(SND_NOSTOP);
236 ADD_DEFINE(SND_NOWAIT);
237 ADD_DEFINE(SND_ALIAS);
238 ADD_DEFINE(SND_FILENAME);
239 ADD_DEFINE(SND_MEMORY);
240 ADD_DEFINE(SND_PURGE);
241 ADD_DEFINE(SND_LOOP);
242 ADD_DEFINE(SND_APPLICATION);
243
244 ADD_DEFINE(MB_OK);
245 ADD_DEFINE(MB_ICONASTERISK);
246 ADD_DEFINE(MB_ICONEXCLAMATION);
247 ADD_DEFINE(MB_ICONHAND);
248 ADD_DEFINE(MB_ICONQUESTION);
249 return module;
250 }
251