1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/* 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 <windows.h>
#include <mmsystem.h>
#include <conio.h> /* port functions on Win9x */
#include <Python.h>
PyDoc_STRVAR(sound_playsound_doc,
"PlaySound(sound, flags) - a wrapper around the Windows PlaySound API\n"
"\n"
"The sound argument can be a filename, data, or None.\n"
"For flag values, ored together, see module documentation.");
PyDoc_STRVAR(sound_beep_doc,
"Beep(frequency, duration) - a wrapper around the Windows Beep API\n"
"\n"
"The frequency argument specifies frequency, in hertz, of the sound.\n"
"This parameter must be in the range 37 through 32,767.\n"
"The duration argument specifies the number of milliseconds.\n"
"On WinNT and 2000, the platform Beep API is used directly. Else funky\n"
"code doing direct port manipulation is used; it's unknown whether that\n"
"will work on all systems.");
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.");
PyObject *
sound_playsound(PyObject *s, PyObject *args)
{
const char *sound;
int flags;
int length;
int ok;
if(!PyArg_ParseTuple(args,"z#i:PlaySound",&sound,&length,&flags)) {
return NULL;
}
if(flags&SND_ASYNC && flags &SND_MEMORY) {
/* Sidestep reference counting headache; unfortunately this also
prevent SND_LOOP from memory. */
PyErr_SetString(PyExc_RuntimeError,"Cannot play asynchronously from memory");
return NULL;
}
Py_BEGIN_ALLOW_THREADS
ok = PlaySound(sound,NULL,flags);
Py_END_ALLOW_THREADS
if(!ok)
{
PyErr_SetString(PyExc_RuntimeError,"Failed to play sound");
return NULL;
}
Py_INCREF(Py_None);
return Py_None;
}
enum OSType {Win9X, WinNT2000};
static enum OSType whichOS; /* set by module init */
static PyObject *
sound_beep(PyObject *self, PyObject *args)
{
int freq;
int dur;
if (!PyArg_ParseTuple(args, "ii:Beep", &freq, &dur))
return NULL;
if (freq < 37 || freq > 32767) {
PyErr_SetString(PyExc_ValueError,
"frequency must be in 37 thru 32767");
return NULL;
}
/* On NT and 2000, the SDK Beep() function does the whole job.
* But while Beep() exists before NT, it ignores its arguments and
* plays the system default sound. Sheesh ...
* The Win9X code is mondo bizarre. I (Tim) pieced it together from
* crap all over the web. The original IBM PC used some particular
* pieces of hardware (Intel 8255 and 8254 chips) hardwired to
* particular port addresses and running at particular clock speeds,
* and the poor sound card folks have been forced to emulate that in
* all particulars ever since. But NT and 2000 don't support port
* manipulation. Don't know about WinME; guessing it's like 98.
*/
if (whichOS == WinNT2000) {
BOOL ok;
Py_BEGIN_ALLOW_THREADS
ok = Beep(freq, dur);
Py_END_ALLOW_THREADS
if (!ok) {
PyErr_SetString(PyExc_RuntimeError,"Failed to beep");
return NULL;
}
}
else if (whichOS == Win9X) {
int speaker_state;
/* Force timer into oscillator mode via timer control port. */
_outp(0x43, 0xb6);
/* Compute ratio of ancient hardcoded timer frequency to
* frequency we want. Then feed that ratio (lowest byte
* first) into timer data port.
*/
freq = 1193180 / freq;
_outp(0x42, freq & 0xff);
_outp(0x42, (freq >> 8) & 0xff);
/* Get speaker control state. */
speaker_state = _inp(0x61);
/* Turn the speaker on (bit 1)
* and drive speaker from timer (bit 0).
*/
_outp(0x61, speaker_state | 0x3);
/* Let it blast in peace for the duration. */
Py_BEGIN_ALLOW_THREADS
Sleep(dur);
Py_END_ALLOW_THREADS
/* Restore speaker control to original state. */
_outp(0x61, speaker_state);
}
else {
assert(!"winsound's whichOS has insane value");
}
Py_INCREF(Py_None);
return Py_None;
}
static struct PyMethodDef sound_methods[] =
{
{"PlaySound", sound_playsound, METH_VARARGS, sound_playsound_doc},
{"Beep", sound_beep, METH_VARARGS, sound_beep_doc},
{NULL, NULL}
};
static void
add_define(PyObject *dict, const char *key, long value)
{
PyObject *k=PyString_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)
DL_EXPORT(void)
initwinsound(void)
{
OSVERSIONINFO version;
PyObject *module = Py_InitModule3("winsound",
sound_methods,
sound_module_doc);
PyObject *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);
version.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&version);
whichOS = Win9X;
if (version.dwPlatformId != VER_PLATFORM_WIN32s &&
version.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS)
whichOS = WinNT2000;
}
|
