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Mark Hammond writes: 

Attached is a context diff to winsound.c that adds a Beep() function
to play a sound through the PC speaker.  Seems to make sense to have
this added, so I just went and did it!
This commit is contained in:
Guido van Rossum 1999-10-01 14:29:17 +00:00
parent 91cae85c32
commit 99eb7a1255
1 changed files with 31 additions and 1 deletions
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32
PC/winsound.c
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@ -8,6 +8,7 @@
*/ */
/* Modified by Guido van Rossum */ /* Modified by Guido van Rossum */
/* Beep added by Mark Hammond */
/* Example: /* Example:
@ -43,6 +44,13 @@ static char sound_playsound_doc[] =
"The sound argument can be a filename, data, or None.\n" "The sound argument can be a filename, data, or None.\n"
"For flag values, ored together, see module documentation.\n"; "For flag values, ored together, see module documentation.\n";
static char 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 (0x25 through 0x7FFF).\n"
"The duration argument specifies the number of milli-seconds.\n";
static char sound_module_doc[] = static char sound_module_doc[] =
"PlaySound(sound, flags) - play a sound\n" "PlaySound(sound, flags) - play a sound\n"
"SND_FILENAME - sound is a wav file name\n" "SND_FILENAME - sound is a wav file name\n"
@ -54,7 +62,8 @@ static char sound_module_doc[] =
"SND_NODEFAULT - Do not play a default beep if the sound can not be found\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_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 "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";
PyObject *sound_playsound(PyObject *s, PyObject *args) PyObject *sound_playsound(PyObject *s, PyObject *args)
{ {
@ -89,9 +98,30 @@ PyObject *sound_playsound(PyObject *s, PyObject *args)
return Py_None; return Py_None;
} }
static PyObject *sound_beep( PyObject *self, PyObject *args )
{
int freq;
int dur;
BOOL ok;
if (!PyArg_ParseTuple(args, "ii:Beep", &freq, &dur))
return NULL;
Py_BEGIN_ALLOW_THREADS
ok = Beep(freq,dur);
Py_END_ALLOW_THREADS
if(!ok)
{
PyErr_SetString(PyExc_RuntimeError,"Failed to beep");
return NULL;
}
Py_INCREF(Py_None);
return Py_None;
}
static struct PyMethodDef sound_methods[] = static struct PyMethodDef sound_methods[] =
{ {
{"PlaySound", sound_playsound, 1, sound_playsound_doc}, {"PlaySound", sound_playsound, 1, sound_playsound_doc},
{"Beep", sound_beep, 1, sound_beep_doc},
{NULL, NULL} {NULL, NULL}
}; };