Add winsound -- by Toby Dickenson with permission.

1 files changed, 128 insertions, 0 deletions

diff --git a/PC/winsound.c b/PC/winsound.c
new file mode 100644
index 00000000000..26541728093
--- /dev/null
+++ b/PC/winsound.c
@@ -0,0 +1,128 @@
+/* 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 */
+
+/* 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 <Python.h>
+
+static char 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.\n";
+
+static char sound_module_doc[] =
+"PlaySound(sound, flags) - play a sound\n"
+"SND_FILENAME - sound is a wav file name\n"
+"SND_ALIAS - sound is a control panel 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
+;
+
+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;
+}
+
+static struct PyMethodDef sound_methods[] =
+{
+    {"PlaySound", sound_playsound, 1, sound_playsound_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()
+{
+    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);
+}