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authorJack Jansen <jack.jansen@cwi.nl>1998-04-15 14:08:51 (GMT)
committerJack Jansen <jack.jansen@cwi.nl>1998-04-15 14:08:51 (GMT)
commit75c5ef978b78193c13c08149322bd0e5421d312f (patch)
tree0d578fde0ec55c0b78eb575bf74efcfc8f3f2ab2
parenta239a92e102bd0bb1f98fda5fd45371755d66d41 (diff)
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Module with hooks for sound input
-rw-r--r--Mac/Modules/snd/Sndihooks.c514
1 files changed, 514 insertions, 0 deletions
diff --git a/Mac/Modules/snd/Sndihooks.c b/Mac/Modules/snd/Sndihooks.c
new file mode 100644
index 0000000..5c152d7
--- /dev/null
+++ b/Mac/Modules/snd/Sndihooks.c
@@ -0,0 +1,514 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+#include "Python.h"
+#include "macglue.h"
+#include <Sound.h>
+
+#pragma options align=mac68k
+struct SampleRateAvailable_arg {
+ short numrates;
+ Handle rates;
+};
+
+struct SampleSizeAvailable_arg {
+ short numsizes;
+ Handle sizes;
+};
+
+#pragma options align=reset
+
+extern PyObject *ResObj_New(Handle);
+
+static PyObject *ErrorObject;
+
+
+/* Convert Python object to unsigned Fixed */
+static int
+PyMac_GetUFixed(PyObject *v, Fixed *f)
+{
+ double d;
+ unsigned long uns;
+
+ if( !PyArg_Parse(v, "d", &d))
+ return 0;
+ uns = (unsigned long)(d * 0x10000);
+ *f = (Fixed)uns;
+ return 1;
+}
+
+/* Convert a Point to a Python object */
+static PyObject *
+PyMac_BuildUFixed(Fixed f)
+{
+ double d;
+ unsigned long funs;
+
+ funs = (unsigned long)f;
+
+ d = funs;
+ d = d / 0x10000;
+ return Py_BuildValue("d", d);
+}
+
+
+/* ----------------------------------------------------- */
+
+static char sndih_getChannelAvailable__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getChannelAvailable(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short nchannel;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siChannelAvailable, (Ptr)&nchannel)) != noErr )
+ return PyMac_Error(err);
+ return Py_BuildValue("h", nchannel);
+}
+
+static char sndih_getNumberChannels__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getNumberChannels(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short nchannel;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siNumberChannels, (Ptr)&nchannel)) != noErr )
+ return PyMac_Error(err);
+ return Py_BuildValue("h", nchannel);
+}
+
+static char sndih_setNumberChannels__doc__[] =
+""
+;
+
+static PyObject *
+sndih_setNumberChannels(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short nchannel;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "lh", &inRefNum, &nchannel))
+ return NULL;
+
+ if( (err=SPBSetDeviceInfo(inRefNum, siNumberChannels, (Ptr)&nchannel)) != noErr )
+ return PyMac_Error(err);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static char sndih_getContinuous__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getContinuous(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short onoff;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siContinuous, (Ptr)&onoff)) != noErr )
+ return PyMac_Error(err);
+ return Py_BuildValue("h", onoff);
+}
+
+static char sndih_setContinuous__doc__[] =
+""
+;
+
+static PyObject *
+sndih_setContinuous(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short onoff;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "lh", &inRefNum, &onoff))
+ return NULL;
+
+ if( (err=SPBSetDeviceInfo(inRefNum, siContinuous, (Ptr)&onoff)) != noErr )
+ return PyMac_Error(err);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static char sndih_getInputSourceNames__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getInputSourceNames(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ Handle names;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siInputSourceNames, (Ptr)&names)) != noErr )
+ return PyMac_Error(err);
+ return Py_BuildValue("O&", ResObj_New, names);
+}
+
+static char sndih_getInputSource__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getInputSource(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short source;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siInputSource, (Ptr)&source)) != noErr )
+ return PyMac_Error(err);
+ return Py_BuildValue("h", source);
+}
+
+static char sndih_setInputSource__doc__[] =
+""
+;
+
+static PyObject *
+sndih_setInputSource(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short source;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "lh", &inRefNum, &source))
+ return NULL;
+
+ if( (err=SPBSetDeviceInfo(inRefNum, siInputSource, (Ptr)&source)) != noErr )
+ return PyMac_Error(err);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static char sndih_getPlayThruOnOff__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getPlayThruOnOff(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short onoff;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siPlayThruOnOff, (Ptr)&onoff)) != noErr )
+ return PyMac_Error(err);
+ return Py_BuildValue("h", onoff);
+}
+
+static char sndih_setPlayThruOnOff__doc__[] =
+""
+;
+
+static PyObject *
+sndih_setPlayThruOnOff(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short onoff;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "lh", &inRefNum, &onoff))
+ return NULL;
+
+ if( (err=SPBSetDeviceInfo(inRefNum, siPlayThruOnOff, (Ptr)&onoff)) != noErr )
+ return PyMac_Error(err);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static char sndih_getSampleRate__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getSampleRate(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ Fixed sample_rate;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siSampleRate, (Ptr)&sample_rate)) != noErr )
+ return PyMac_Error(err);
+ return Py_BuildValue("O&", PyMac_BuildUFixed, sample_rate);
+}
+
+static char sndih_setSampleRate__doc__[] =
+""
+;
+
+static PyObject *
+sndih_setSampleRate(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ Fixed sample_rate;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "lO&", &inRefNum, PyMac_GetUFixed, &sample_rate))
+ return NULL;
+
+ if( (err=SPBSetDeviceInfo(inRefNum, siSampleRate, (Ptr)&sample_rate)) != noErr )
+ return PyMac_Error(err);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static char sndih_getSampleSize__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getSampleSize(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short bits;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siSampleSize, (Ptr)&bits)) != noErr )
+ return PyMac_Error(err);
+ return Py_BuildValue("h", bits);
+}
+
+static char sndih_setSampleSize__doc__[] =
+""
+;
+
+static PyObject *
+sndih_setSampleSize(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ short size;
+ OSErr err;
+
+ if (!PyArg_ParseTuple(args, "lh", &inRefNum, &size))
+ return NULL;
+
+ if( (err=SPBSetDeviceInfo(inRefNum, siSampleSize, (Ptr)&size)) != noErr )
+ return PyMac_Error(err);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static char sndih_getSampleSizeAvailable__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getSampleSizeAvailable(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ struct SampleSizeAvailable_arg arg;
+ OSErr err;
+ PyObject *rsizes;
+ short *fsizes;
+ int i;
+
+ arg.sizes = NULL;
+ rsizes = NULL;
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siSampleSizeAvailable, (Ptr)&arg)) != noErr ) {
+ return PyMac_Error(err);
+ }
+ fsizes = (short *)*(arg.sizes);
+ /* Handle contains a list of rates */
+ if( (rsizes = PyTuple_New(arg.numsizes)) == NULL)
+ return NULL;
+ for( i=0; i<arg.numsizes; i++ )
+ PyTuple_SetItem(rsizes, i, PyInt_FromLong((long)fsizes[i]));
+ return rsizes;
+}
+
+static char sndih_getSampleRateAvailable__doc__[] =
+""
+;
+
+static PyObject *
+sndih_getSampleRateAvailable(self, args)
+ PyObject *self; /* Not used */
+ PyObject *args;
+{
+ long inRefNum;
+ struct SampleRateAvailable_arg arg;
+ OSErr err;
+ PyObject *rrates, *obj;
+ Fixed *frates;
+ int i;
+
+ arg.rates = NULL;
+ rrates = NULL;
+ if (!PyArg_ParseTuple(args, "l", &inRefNum))
+ return NULL;
+
+ if( (err=SPBGetDeviceInfo(inRefNum, siSampleRateAvailable, (Ptr)&arg)) != noErr ) {
+ return PyMac_Error(err);
+ }
+ frates = (Fixed *)*(arg.rates);
+ if( arg.numrates == 0 ) {
+ /* The handle contains upper and lowerbound */
+ rrates = Py_BuildValue("O&O&", frates[0], frates[1]);
+ if (rrates == NULL) return NULL;
+ } else {
+ /* Handle contains a list of rates */
+ if( (rrates = PyTuple_New(arg.numrates)) == NULL)
+ return NULL;
+ for( i=0; i<arg.numrates; i++ ) {
+ if( (obj = Py_BuildValue("O&", PyMac_BuildUFixed, frates[i]))==NULL)
+ goto out;
+ PyTuple_SetItem(rrates, i, obj);
+ }
+ }
+ return Py_BuildValue("hO", arg.numrates, rrates);
+out:
+ Py_XDECREF(rrates);
+ return NULL;
+}
+
+/* List of methods defined in the module */
+
+static struct PyMethodDef sndih_methods[] = {
+ {"getChannelAvailable", (PyCFunction)sndih_getChannelAvailable, METH_VARARGS, sndih_getChannelAvailable__doc__},
+ {"getNumberChannels", (PyCFunction)sndih_getNumberChannels, METH_VARARGS, sndih_getNumberChannels__doc__},
+ {"setNumberChannels", (PyCFunction)sndih_setNumberChannels, METH_VARARGS, sndih_setNumberChannels__doc__},
+ {"getContinuous", (PyCFunction)sndih_getContinuous, METH_VARARGS, sndih_getContinuous__doc__},
+ {"setContinuous", (PyCFunction)sndih_setContinuous, METH_VARARGS, sndih_setContinuous__doc__},
+ {"getInputSourceNames", (PyCFunction)sndih_getInputSourceNames, METH_VARARGS, sndih_getInputSourceNames__doc__},
+ {"getInputSource", (PyCFunction)sndih_getInputSource, METH_VARARGS, sndih_getInputSource__doc__},
+ {"setInputSource", (PyCFunction)sndih_setInputSource, METH_VARARGS, sndih_setInputSource__doc__},
+ {"getPlayThruOnOff", (PyCFunction)sndih_getPlayThruOnOff, METH_VARARGS, sndih_getPlayThruOnOff__doc__},
+ {"setPlayThruOnOff", (PyCFunction)sndih_setPlayThruOnOff, METH_VARARGS, sndih_setPlayThruOnOff__doc__},
+ {"getSampleRate", (PyCFunction)sndih_getSampleRate, METH_VARARGS, sndih_getSampleRate__doc__},
+ {"setSampleRate", (PyCFunction)sndih_setSampleRate, METH_VARARGS, sndih_setSampleRate__doc__},
+ {"getSampleSize", (PyCFunction)sndih_getSampleSize, METH_VARARGS, sndih_getSampleSize__doc__},
+ {"setSampleSize", (PyCFunction)sndih_setSampleSize, METH_VARARGS, sndih_setSampleSize__doc__},
+ {"getSampleSizeAvailable", (PyCFunction)sndih_getSampleSizeAvailable, METH_VARARGS, sndih_getSampleSizeAvailable__doc__},
+ {"getSampleRateAvailable", (PyCFunction)sndih_getSampleRateAvailable, METH_VARARGS, sndih_getSampleRateAvailable__doc__},
+
+ {NULL, (PyCFunction)NULL, 0, NULL} /* sentinel */
+};
+
+
+/* Initialization function for the module (*must* be called initSndihooks) */
+
+static char Sndihooks_module_documentation[] =
+""
+;
+
+void
+initSndihooks()
+{
+ PyObject *m, *d;
+
+ /* Create the module and add the functions */
+ m = Py_InitModule4("Sndihooks", sndih_methods,
+ Sndihooks_module_documentation,
+ (PyObject*)NULL,PYTHON_API_VERSION);
+
+ /* Add some symbolic constants to the module */
+ d = PyModule_GetDict(m);
+ ErrorObject = PyString_FromString("Sndihooks.error");
+ PyDict_SetItemString(d, "error", ErrorObject);
+
+ /* XXXX Add constants here */
+
+ /* Check for errors */
+ if (PyErr_Occurred())
+ Py_FatalError("can't initialize module Sndihooks");
+}
+