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			473 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			473 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /***********************************************************
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| Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
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| Amsterdam, The Netherlands.
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| 
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|                         All Rights Reserved
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| 
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| Permission to use, copy, modify, and distribute this software and its 
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| documentation for any purpose and without fee is hereby granted, 
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| provided that the above copyright notice appear in all copies and that
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| both that copyright notice and this permission notice appear in 
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| supporting documentation, and that the names of Stichting Mathematisch
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| Centrum or CWI not be used in advertising or publicity pertaining to
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| distribution of the software without specific, written prior permission.
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| 
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| STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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| FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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| FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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| WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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| ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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| OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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| 
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| ******************************************************************/
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| 
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| /* Macintosh OS-specific interface */
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| 
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| #include "Python.h"
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| 
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| #include <stdio.h>
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| #include <string.h>
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| #include <errno.h>
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| 
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| #include <OSUtils.h> /* for Set(Current)A5 */
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| #include <Resources.h>
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| #include <Sound.h>
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| 
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| /*----------------------------------------------------------------------*/
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| /* General tools */
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| 
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| static PyObject *MacOS_Error; /* Exception MacOS.Error */
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| 
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| /* Set a MAC-specific error from errno, and return NULL; return None if no error */
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| static PyObject * 
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| Err(OSErr err)
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| {
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| 	char buf[100];
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| 	PyObject *v;
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| 	if (err == 0) {
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| 		Py_INCREF(Py_None);
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| 		return Py_None;
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| 	}
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| 	sprintf(buf, "Mac OS error code %d", (int)err);
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| 	v = Py_BuildValue("(is)", (int)err, buf);
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| 	PyErr_SetObject(MacOS_Error, v);
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| 	Py_DECREF(v);
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| 	return NULL;
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| }
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| 
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| /* Check for a ResType argument */
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| static int
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| GetOSType(PyObject *v, ResType *pr)
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| {
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| 	if (!PyString_Check(v) || PyString_Size(v) != 4) {
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| 		PyErr_SetString(MacOS_Error,
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| 			"OSType arg must be string of 4 chars");
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| 		return 0;
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| 	}
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| 	memcpy((char *)pr, PyString_AsString(v), 4);
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| 	return 1;
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| }
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| 
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| /* Check for a Str255 argument */
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| static int
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| GetStr255(PyObject *v, Str255 pbuf)
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| {
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| 	int len;
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| 	if (!PyString_Check(v) || (len = PyString_Size(v)) > 255) {
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| 		PyErr_SetString(MacOS_Error,
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| 			"Str255 arg must be string <= 255 chars");
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| 		return 0;
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| 	}
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| 	pbuf[0] = len;
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| 	memcpy((char *)(pbuf+1), PyString_AsString(v), len);
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| 	return 1;
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| }
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| 
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| /*----------------------------------------------------------------------*/
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| /* Resource objects */
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| 
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| typedef struct {
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| 	OB_HEAD
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| 	Handle h;
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| } RsrcObject;
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| 
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| staticforward PyTypeObject RsrcType;
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| 
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| #define RsrcObject_Check(r) ((r)->ob_type == &RsrcType)
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| 
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| static RsrcObject *
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| Rsrc_FromHandle(Handle h)
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| {
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| 	RsrcObject *r;
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| 	if (h == NULL)
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| 		return (RsrcObject *)Err(ResError());
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| 	r = PyObject_NEW(RsrcObject, &RsrcType);
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| 	if (r != NULL)
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| 		r->h = h;
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| 	return r;
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| }
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| 
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| static void
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| Rsrc_Dealloc(RsrcObject *r)
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| {
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| 	PyMem_DEL(r);
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| }
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| 
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| static PyObject *
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| Rsrc_GetResInfo(RsrcObject *r, PyObject *args)
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| {
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| 	short id;
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| 	ResType type;
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| 	Str255 name;
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| 	if (!PyArg_Parse(args, "()"))
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| 		return NULL;
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| 	GetResInfo(r->h, &id, &type, name);
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| 	return Py_BuildValue("(is#s#)",
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| 		(int)id, (char *)&type, 4, name+1, (int)name[0]);
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| }
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| 
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| static PyMethodDef Rsrc_Methods[] = {
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| 	{"GetResInfo",	(PyCFunction)Rsrc_GetResInfo, 1},
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| 	{NULL,			NULL}		 /* Sentinel */
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| };
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| 
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| static PyObject *
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| Rsrc_GetAttr(PyObject *r, char *name)
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| {
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| 	return Py_FindMethod(Rsrc_Methods, r, name);
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| }
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| 
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| static PyTypeObject RsrcType = {
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| 	PyObject_HEAD_INIT(&PyType_Type)
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| 	0,
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| 	"Resource",			/*tp_name*/
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| 	sizeof(RsrcObject),	/*tp_basicsize*/
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| 	0,			/*tp_itemsize*/
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| 	/* methods */
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| 	(destructor)Rsrc_Dealloc, /*tp_dealloc*/
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| 	0,			/*tp_print*/
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| 	(getattrfunc)Rsrc_GetAttr, /*tp_getattr*/
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| 	0,			/*tp_setattr*/
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| 	0,			/*tp_compare*/
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| 	0,			/*tp_repr*/
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| 	0,			/*tp_as_number*/
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| 	0,			/*tp_as_sequence*/
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| 	0,			/*tp_as_mapping*/
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| 	0,			/*tp_hash*/
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| };
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| 
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| static PyObject *
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| MacOS_GetResource(PyObject *self, PyObject *args)
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| {
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| 	ResType rt;
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| 	int id;
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| 	Handle h;
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| 	if (!PyArg_Parse(args, "(O&i)", GetOSType, &rt, &id))
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| 		return NULL;
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| 	h = GetResource(rt, id);
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| 	return (PyObject *)Rsrc_FromHandle(h);
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| }
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| 
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| static PyObject *
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| MacOS_GetNamedResource(PyObject *self, PyObject *args)
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| {
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| 	ResType rt;
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| 	Str255 name;
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| 	Handle h;
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| 	if (!PyArg_Parse(args, "(O&O&)", GetOSType, &rt, GetStr255, &name))
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| 		return NULL;
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| 	h = GetNamedResource(rt, name);
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| 	return (PyObject *)Rsrc_FromHandle(h);
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| }
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| 
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| /*----------------------------------------------------------------------*/
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| /* SoundChannel objects */
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| 
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| /* Check for a SndCommand argument */
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| static int
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| GetSndCommand(PyObject *v, SndCommand *pc)
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| {
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| 	int len;
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| 	pc->param1 = 0;
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| 	pc->param2 = 0;
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| 	if (PyArg_Parse(v, "h", &pc->cmd))
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| 		return 1;
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| 	PyErr_Clear();
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| 	if (PyArg_Parse(v, "(h)", &pc->cmd))
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| 		return 1;
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| 	PyErr_Clear();
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| 	if (PyArg_Parse(v, "(hh)", &pc->cmd, &pc->param1))
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| 		return 1;
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| 	PyErr_Clear();
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| 	if (PyArg_Parse(v, "(hhl)",
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| 			&pc->cmd, &pc->param1, &pc->param2))
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| 		return 1;
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| 	PyErr_Clear();
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| 	if (PyArg_Parse(v, "(hhs#);SndCommand arg must be 1-3 ints or 2 ints + string",
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| 			&pc->cmd, &pc->param1, &pc->param2, &len))
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| 		return 1;
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| 	return 0;
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| }
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| 
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| typedef struct {
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| 	OB_HEAD
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| 	SndChannelPtr chan;
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| } SndChObject;
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| 
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| staticforward PyTypeObject SndChType;
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| 
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| #define SndChObject_Check(s) ((s)->ob_type == &SndChType)
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| 
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| static SndChObject *
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| SndCh_FromSndChannelPtr(SndChannelPtr chan)
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| {
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| 	SndChObject *s = PyObject_NEW(SndChObject, &SndChType);
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| 	if (s != NULL)
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| 		s->chan = chan;
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| 	return s;
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| }
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| 
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| static void
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| SndCh_Dealloc(SndChObject *s)
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| {
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| 	if (s->chan != NULL) {
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| 		SndDisposeChannel(s->chan, 1);
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| 		if (s->chan->userInfo != 0)
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| 			DEL((void *)s->chan->userInfo);
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| 		s->chan = NULL;
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| 	}
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| 	PyMem_DEL(s);
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| }
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| 
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| static PyObject *
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| SndCh_Close(SndChObject *s, PyObject *args)
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| {
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| 	int quietNow = 1;
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| 	if (args != NULL) {
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| 		if (!PyArg_Parse(args, "i", &quietNow))
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| 			return NULL;
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| 	}
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| 	if (s->chan != NULL) {
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| 		SndDisposeChannel(s->chan, quietNow);
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| 		if (s->chan->userInfo != 0)
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| 			DEL((void *)s->chan->userInfo);
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| 		s->chan = NULL;
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| 	}
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 
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| static PyObject *
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| SndCh_SndPlay(SndChObject *s, PyObject *args)
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| {
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| 	RsrcObject *r;
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| 	int async = 0;
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| 	if (!PyArg_Parse(args, "(O)", &r)) {
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| 		PyErr_Clear();
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| 		if (!PyArg_Parse(args, "(Oi)", &r, &async))
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| 			return NULL;
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| 	}
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| 	if (!RsrcObject_Check(r)) {
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| 		PyErr_SetString(MacOS_Error,
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| 			"SndPlay argument must be resource");
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| 		return NULL;
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| 	}
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| 	SndPlay(s->chan, r->h, async);
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| 	Py_INCREF(Py_None);
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| 	return Py_None;
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| }
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| 
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| static PyObject *
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| SndCh_SndDoCommand(SndChObject *s, PyObject *args)
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| {
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| 	SndCommand c;
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| 	int noWait = 0;
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| 	OSErr err;
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| 	if (!PyArg_Parse(args, "(O&)", GetSndCommand, &c)) {
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| 		PyErr_Clear();
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| 		if (!PyArg_Parse(args, "(O&i)", GetSndCommand, &c, &noWait))
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| 			return 0;
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| 	}
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| 	err = SndDoCommand(s->chan, &c, noWait);
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| 	return Err(err);
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| }
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| 
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| static PyObject *
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| SndCh_SndDoImmediate(SndChObject *s, PyObject *args)
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| {
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| 	SndCommand c;
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| 	OSErr err;
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| 	if (!PyArg_Parse(args, "(O&)", GetSndCommand, &c))
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| 		return 0;
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| 	err = SndDoImmediate(s->chan, &c);
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| 	return Err(err);
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| }
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| 
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| static PyMethodDef SndCh_Methods[] = {
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| 	{"close",				(PyCFunction)SndCh_Close},
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| 	{"SndDisposeChannel",	(PyCFunction)SndCh_Close},
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| 	{"SndPlay",				(PyCFunction)SndCh_SndPlay, 1},
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| 	{"SndDoCommand",		(PyCFunction)SndCh_SndDoCommand, 1},
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| 	{"SndDoImmediate",		(PyCFunction)SndCh_SndDoImmediate, 1},
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| 	{NULL,					NULL}		 /* Sentinel */
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| };
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| 
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| static PyObject *
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| SndCh_GetAttr(PyObject *s, char *name)
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| {
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| 	return Py_FindMethod(SndCh_Methods, s, name);
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| }
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| 
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| static PyTypeObject SndChType = {
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| 	PyObject_HEAD_INIT(&PyType_Type)
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| 	0,
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| 	"SoundChannel",			/*tp_name*/
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| 	sizeof(SndChObject),	/*tp_basicsize*/
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| 	0,			/*tp_itemsize*/
 | |
| 	/* methods */
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| 	(destructor)SndCh_Dealloc, /*tp_dealloc*/
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| 	0,			/*tp_print*/
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| 	(getattrfunc)SndCh_GetAttr, /*tp_getattr*/
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| 	0,			/*tp_setattr*/
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| 	0,			/*tp_compare*/
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| 	0,			/*tp_repr*/
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| 	0,			/*tp_as_number*/
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| 	0,			/*tp_as_sequence*/
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| 	0,			/*tp_as_mapping*/
 | |
| 	0,			/*tp_hash*/
 | |
| };
 | |
| 
 | |
| /*----------------------------------------------------------------------*/
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| /* Module */
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| 
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| typedef struct {
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| 	long A5;
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| 	PyObject *callback;
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| 	PyObject *channel;
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| 	SndCommand cmd;
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| } cbinfo;
 | |
| 
 | |
| static int
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| MySafeCallback(arg)
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| 	void *arg;
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| {
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| 	cbinfo *p = (cbinfo *)arg;
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| 	PyObject *args;
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| 	PyObject *res;
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| 	args = Py_BuildValue("(O(hhl))",
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| 			     p->channel,
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| 			     p->cmd.cmd, p->cmd.param1, p->cmd.param2);
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| 	res = PyEval_CallObject(p->callback, args);
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| 	Py_DECREF(args);
 | |
| 	if (res == NULL)
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| 		return -1;
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| 	DECREF(res);
 | |
| 	return 0;
 | |
| }
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| 
 | |
| static pascal void
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| MyUserRoutine(SndChannelPtr chan, SndCommand cmd)
 | |
| {
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| 	cbinfo *p = (cbinfo *)chan->userInfo;
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| 	long A5 = SetA5(p->A5);
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| 	p->cmd = cmd;
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| 	Py_AddPendingCall(MySafeCallback, (void *)p);
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| 	SetA5(A5);
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| }
 | |
| 
 | |
| static PyObject *
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| MacOS_SndNewChannel(PyObject *self, PyObject *args)
 | |
| {
 | |
| 	SndChannelPtr chan;
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| 	short synth;
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| 	long init = 0;
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| 	PyObject *callback = NULL;
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| 	cbinfo *p = NULL;
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| 	SndCallBackProcPtr userroutine = 0;
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| 	OSErr err;
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| 	PyObject *res;
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| 	if (!PyArg_Parse(args, "(h)", &synth)) {
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| 		PyErr_Clear();
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| 		if (!PyArg_Parse(args, "(hl)", &synth, &init)) {
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| 			PyErr_Clear();
 | |
| 			if (!PyArg_Parse(args, "(hlO)",
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| 					 &synth, &init, &callback))
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| 				return NULL;
 | |
| 		}
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| 	}
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| 	if (callback != NULL) {
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| 		p = NEW(cbinfo, 1);
 | |
| 		if (p == NULL)
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| 			return PyErr_NoMemory();
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| 		p->A5 = SetCurrentA5();
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| 		p->callback = callback;
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| 		userroutine = MyUserRoutine;
 | |
| 	}
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| 	chan = NULL;
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| 	err = SndNewChannel(&chan, synth, init, userroutine);
 | |
| 	if (err) {
 | |
| 		if (p)
 | |
| 			DEL(p);
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| 		return Err(err);
 | |
| 	}
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| 	chan->userInfo = (long)p;
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| 	res = (PyObject *)SndCh_FromSndChannelPtr(chan);
 | |
| 	if (res == NULL) {
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| 		SndDisposeChannel(chan, 1);
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| 		DEL(p);
 | |
| 	}
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| 	else
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| 		p->channel = res;
 | |
| 	return res;
 | |
| }
 | |
| 
 | |
| static PyObject *
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| MacOS_SndPlay(PyObject *self, PyObject *args)
 | |
| {
 | |
| 	RsrcObject *r;
 | |
| 	OSErr err;
 | |
| 	if (!PyArg_Parse(args, "(O!)", &RsrcType, &r))
 | |
| 		return NULL;
 | |
| 	err = SndPlay((SndChannelPtr)NULL, r->h, 0);
 | |
| 	return Err(err);
 | |
| }
 | |
| 
 | |
| static PyObject *
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| MacOS_SndControl(PyObject *self, PyObject *args)
 | |
| {
 | |
| 	int id;
 | |
| 	SndCommand c;
 | |
| 	OSErr err;
 | |
| 	if (!PyArg_Parse(args, "(iO&)", &id, GetSndCommand, &c))
 | |
| 		return NULL;
 | |
| 	err = SndControl(id, &c);
 | |
| 	if (err)
 | |
| 		return Err(err);
 | |
| 	return Py_BuildValue("(hhl)", c.cmd, c.param1, c.param2);
 | |
| }
 | |
| 
 | |
| static PyMethodDef MacOS_Methods[] = {
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| 	{"GetResource",			MacOS_GetResource, 1},
 | |
| 	{"GetNamedResource",	MacOS_GetNamedResource, 1},
 | |
| 	{"SndNewChannel",		MacOS_SndNewChannel, 1},
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| 	{"SndPlay",				MacOS_SndPlay, 1},
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| 	{"SndControl",			MacOS_SndControl, 1},
 | |
| 	{NULL,					NULL}		 /* Sentinel */
 | |
| };
 | |
| 
 | |
| 
 | |
| void
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| MacOS_Init()
 | |
| {
 | |
| 	PyObject *m, *d;
 | |
| 	
 | |
| 	m = Py_InitModule("MacOS", MacOS_Methods);
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| 	d = PyModule_GetDict(m);
 | |
| 	
 | |
| 	/* Initialize MacOS.Error exception */
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| 	MacOS_Error = PyString_FromString("MacOS.Error");
 | |
| 	if (MacOS_Error == NULL ||
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| 	    PyDict_SetItemString(d, "Error", MacOS_Error) != 0)
 | |
| 		Py_FatalError("can't define MacOS.Error");
 | |
| }
 | 
