#define OLD_INTERFACE		/* define for pre-Irix 6 interface */

#include "Python.h"
#include "stringobject.h"
#include <audio.h>
#include <stdarg.h>

#ifndef AL_NO_ELEM
#ifndef OLD_INTERFACE
#define OLD_INTERFACE
#endif /* OLD_INTERFACE */
#endif /* AL_NO_ELEM */

static PyObject *ErrorObject;

/* ----------------------------------------------------- */

/* Declarations for objects of type port */

typedef struct {
	PyObject_HEAD
	/* XXXX Add your own stuff here */
	ALport port;
} alpobject;

static PyTypeObject Alptype;



/* ---------------------------------------------------------------- */

/* Declarations for objects of type config */

typedef struct {
	PyObject_HEAD
	/* XXXX Add your own stuff here */
	ALconfig config;
} alcobject;

static PyTypeObject Alctype;


static void
ErrorHandler(long code, const char *fmt, ...)
{
	va_list args;
	char buf[128];

	va_start(args, fmt);
	vsprintf(buf, fmt, args);
	va_end(args);
	PyErr_SetString(ErrorObject, buf);
}

#ifdef AL_NO_ELEM		/* IRIX 6 */

static PyObject *
param2python(int resource, int param, ALvalue value, ALparamInfo *pinfo)
{
	ALparamInfo info;

	if (pinfo == NULL) {
		pinfo = &info;
		if (alGetParamInfo(resource, param, &info) < 0)
			return NULL;
	}
	switch (pinfo->elementType) {
	case AL_PTR_ELEM:
		/* XXXX don't know how to handle this */
	case AL_NO_ELEM:
		Py_INCREF(Py_None);
		return Py_None;
	case AL_INT32_ELEM:
	case AL_RESOURCE_ELEM:
	case AL_ENUM_ELEM:
		return PyInt_FromLong((long) value.i);
	case AL_INT64_ELEM:
		return PyLong_FromLongLong(value.ll);
	case AL_FIXED_ELEM:
		return PyFloat_FromDouble(alFixedToDouble(value.ll));
	case AL_CHAR_ELEM:
		if (value.ptr == NULL) {
			Py_INCREF(Py_None);
			return Py_None;
		}
		return PyString_FromString((char *) value.ptr);
	default:
		PyErr_SetString(ErrorObject, "unknown element type");
		return NULL;
	}
}

static int
python2elem(PyObject *item, void *ptr, int elementType)
{
	switch (elementType) {
	case AL_INT32_ELEM:
	case AL_RESOURCE_ELEM:
	case AL_ENUM_ELEM:
		if (!PyInt_Check(item)) {
			PyErr_BadArgument();
			return -1;
		}
		*((int *) ptr) = PyInt_AsLong(item);
		break;
	case AL_INT64_ELEM:
		if (PyInt_Check(item))
			*((long long *) ptr) = PyInt_AsLong(item);
		else if (PyLong_Check(item))
			*((long long *) ptr) = PyLong_AsLongLong(item);
		else {
			PyErr_BadArgument();
			return -1;
		}
		break;
	case AL_FIXED_ELEM:
		if (PyInt_Check(item))
			*((long long *) ptr) = alDoubleToFixed((double) PyInt_AsLong(item));
		else if (PyFloat_Check(item))
			*((long long *) ptr) = alDoubleToFixed(PyFloat_AsDouble(item));
		else {
			PyErr_BadArgument();
			return -1;
		}
		break;
	default:
		PyErr_SetString(ErrorObject, "unknown element type");
		return -1;
	}
	return 0;
}

static int
python2param(int resource, ALpv *param, PyObject *value, ALparamInfo *pinfo)
{
	ALparamInfo info;
	int i, stepsize;
	PyObject *item;

	if (pinfo == NULL) {
		pinfo = &info;
		if (alGetParamInfo(resource, param->param, &info) < 0)
			return -1;
	}
	switch (pinfo->valueType) {
	case AL_STRING_VAL:
		if (pinfo->elementType != AL_CHAR_ELEM) {
			PyErr_SetString(ErrorObject, "unknown element type");
			return -1;
		}
		if (!PyString_Check(value)) {
			PyErr_BadArgument();
			return -1;
		}
		param->value.ptr = PyString_AS_STRING(value);
		param->sizeIn = PyString_GET_SIZE(value)+1; /*account for NUL*/
		break;
	case AL_SET_VAL:
	case AL_VECTOR_VAL:
		if (!PyList_Check(value) && !PyTuple_Check(value)) {
			PyErr_BadArgument();
			return -1;
		}
		switch (pinfo->elementType) {
		case AL_INT32_ELEM:
		case AL_RESOURCE_ELEM:
		case AL_ENUM_ELEM:
			param->sizeIn = PySequence_Size(value);
			param->value.ptr = PyMem_NEW(int, param->sizeIn);
			stepsize = sizeof(int);
			break;
		case AL_INT64_ELEM:
		case AL_FIXED_ELEM:
			param->sizeIn = PySequence_Size(value);
			param->value.ptr = PyMem_NEW(long long, param->sizeIn);
			stepsize = sizeof(long long);
			break;
		}
		for (i = 0; i < param->sizeIn; i++) {
			item = PySequence_GetItem(value, i);
			if (python2elem(item, (void *) ((char *) param->value.ptr + i*stepsize), pinfo->elementType) < 0) {
				PyMem_DEL(param->value.ptr);
				return -1;
			}
		}
		break;
	case AL_SCALAR_VAL:
		switch (pinfo->elementType) {
		case AL_INT32_ELEM:
		case AL_RESOURCE_ELEM:
		case AL_ENUM_ELEM:
			return python2elem(value, (void *) &param->value.i,
					   pinfo->elementType);
		case AL_INT64_ELEM:
		case AL_FIXED_ELEM:
			return python2elem(value, (void *) &param->value.ll,
					   pinfo->elementType);
		default:
			PyErr_SetString(ErrorObject, "unknown element type");
			return -1;
		}
	}
	return 0;
}

static int
python2params(int resource1, int resource2, PyObject *list, ALpv **pvsp, ALparamInfo **pinfop)
{
	PyObject *item;
	ALpv *pvs;
	ALparamInfo *pinfo;
	int npvs, i;

	npvs = PyList_Size(list);
	pvs = PyMem_NEW(ALpv, npvs);
	pinfo = PyMem_NEW(ALparamInfo, npvs);
	for (i = 0; i < npvs; i++) {
		item = PyList_GetItem(list, i);
		if (!PyArg_ParseTuple(item, "iO", &pvs[i].param, &item))
			goto error;
		if (alGetParamInfo(resource1, pvs[i].param, &pinfo[i]) < 0 &&
		    alGetParamInfo(resource2, pvs[i].param, &pinfo[i]) < 0)
			goto error;
		if (python2param(resource1, &pvs[i], item, &pinfo[i]) < 0)
			goto error;
	}

	*pvsp = pvs;
	*pinfop = pinfo;
	return npvs;

  error:
	/* XXXX we should clean up everything */
	if (pvs)
		PyMem_DEL(pvs);
	if (pinfo)
		PyMem_DEL(pinfo);
	return -1;
}

/* -------------------------------------------------------- */


static PyObject *
SetConfig(alcobject *self, PyObject *args, int (*func)(ALconfig, int))
{
	int par;

	if (!PyArg_ParseTuple(args, "i:SetConfig", &par))
		return NULL;

	if ((*func)(self->config, par) == -1)
		return NULL;

	Py_INCREF(Py_None);
	return Py_None;
}

static PyObject *
GetConfig(alcobject *self, PyObject *args, int (*func)(ALconfig))
{	
	int par;

	if (!PyArg_ParseTuple(args, ":GetConfig"))
		return NULL;
	
	if ((par = (*func)(self->config)) == -1)
		return NULL;

	return PyInt_FromLong((long) par);
}

PyDoc_STRVAR(alc_SetWidth__doc__,
"alSetWidth: set the wordsize for integer audio data.");

static PyObject *
alc_SetWidth(alcobject *self, PyObject *args)
{
	return SetConfig(self, args, alSetWidth);
}


PyDoc_STRVAR(alc_GetWidth__doc__,
"alGetWidth: get the wordsize for integer audio data.");

static PyObject *
alc_GetWidth(alcobject *self, PyObject *args)
{
	return GetConfig(self, args, alGetWidth);
}


PyDoc_STRVAR(alc_SetSampFmt__doc__,
"alSetSampFmt: set the sample format setting in an audio ALconfig "
"structure.");

static PyObject *
alc_SetSampFmt(alcobject *self, PyObject *args)
{
	return SetConfig(self, args, alSetSampFmt);
}


PyDoc_STRVAR(alc_GetSampFmt__doc__,
"alGetSampFmt: get the sample format setting in an audio ALconfig "
"structure.");

static PyObject *
alc_GetSampFmt(alcobject *self, PyObject *args)
{
	return GetConfig(self, args, alGetSampFmt);
}


PyDoc_STRVAR(alc_SetChannels__doc__,
"alSetChannels: set the channel settings in an audio ALconfig.");

static PyObject *
alc_SetChannels(alcobject *self, PyObject *args)
{
	return SetConfig(self, args, alSetChannels);
}


PyDoc_STRVAR(alc_GetChannels__doc__,
"alGetChannels: get the channel settings in an audio ALconfig.");

static PyObject *
alc_GetChannels(alcobject *self, PyObject *args)
{
	return GetConfig(self, args, alGetChannels);
}


PyDoc_STRVAR(alc_SetFloatMax__doc__,
"alSetFloatMax: set the maximum value of floating point sample data.");

static PyObject *
alc_SetFloatMax(alcobject *self, PyObject *args)
{
	double maximum_value;

	if (!PyArg_ParseTuple(args, "d:SetFloatMax", &maximum_value))
		return NULL;
	if (alSetFloatMax(self->config, maximum_value) < 0)
		return NULL;
	Py_INCREF(Py_None);
	return Py_None;
}


PyDoc_STRVAR(alc_GetFloatMax__doc__,
"alGetFloatMax: get the maximum value of floating point sample data.");

static PyObject *
alc_GetFloatMax(alcobject *self, PyObject *args)
{
	double maximum_value;

	if (!PyArg_ParseTuple(args, ":GetFloatMax"))
		return NULL;
	if ((maximum_value = alGetFloatMax(self->config)) == 0)
		return NULL;
	return PyFloat_FromDouble(maximum_value);
}


PyDoc_STRVAR(alc_SetDevice__doc__,
"alSetDevice: set the device setting in an audio ALconfig structure.");

static PyObject *
alc_SetDevice(alcobject *self, PyObject *args)
{
	return SetConfig(self, args, alSetDevice);
}


PyDoc_STRVAR(alc_GetDevice__doc__,
"alGetDevice: get the device setting in an audio ALconfig structure.");

static PyObject *
alc_GetDevice(alcobject *self, PyObject *args)
{
	return GetConfig(self, args, alGetDevice);
}


PyDoc_STRVAR(alc_SetQueueSize__doc__,
"alSetQueueSize: set audio port buffer size.");

static PyObject *
alc_SetQueueSize(alcobject *self, PyObject *args)
{
	return SetConfig(self, args, alSetQueueSize);
}


PyDoc_STRVAR(alc_GetQueueSize__doc__,
"alGetQueueSize: get audio port buffer size.");

static PyObject *
alc_GetQueueSize(alcobject *self, PyObject *args)
{
	return GetConfig(self, args, alGetQueueSize);
}

#endif /* AL_NO_ELEM */

static PyObject *
setconfig(alcobject *self, PyObject *args, int (*func)(ALconfig, long))
{
	long par;

	if (!PyArg_ParseTuple(args, "l:SetConfig", &par))
		return NULL;

	if ((*func)(self->config, par) == -1)
		return NULL;

	Py_INCREF(Py_None);
	return Py_None;
}

static PyObject *
getconfig(alcobject *self, PyObject *args, long (*func)(ALconfig))
{	
	long par;

	if (!PyArg_ParseTuple(args, ":GetConfig"))
		return NULL;
	
	if ((par = (*func)(self->config)) == -1)
		return NULL;

	return PyInt_FromLong((long) par);
}

static PyObject *
alc_setqueuesize (alcobject *self, PyObject *args)
{
	return setconfig(self, args, ALsetqueuesize);
}

static PyObject *
alc_getqueuesize (alcobject *self, PyObject *args)
{
	return getconfig(self, args, ALgetqueuesize);
}

static PyObject *
alc_setwidth (alcobject *self, PyObject *args)
{
	return setconfig(self, args, ALsetwidth);
}

static PyObject *
alc_getwidth (alcobject *self, PyObject *args)
{
	return getconfig(self, args, ALgetwidth);	
}

static PyObject *
alc_getchannels (alcobject *self, PyObject *args)
{
	return getconfig(self, args, ALgetchannels);	
}

static PyObject *
alc_setchannels (alcobject *self, PyObject *args)
{
	return setconfig(self, args, ALsetchannels);
}

#ifdef AL_405

static PyObject *
alc_getsampfmt (alcobject *self, PyObject *args)
{
	return getconfig(self, args, ALgetsampfmt);	
}

static PyObject *
alc_setsampfmt (alcobject *self, PyObject *args)
{
	return setconfig(self, args, ALsetsampfmt);
}

static PyObject *
alc_getfloatmax(alcobject *self, PyObject *args)
{
	double arg;

	if (!PyArg_ParseTuple(args, ":GetFloatMax"))
		return 0;
	if ((arg = ALgetfloatmax(self->config)) == 0)
		return NULL;
	return PyFloat_FromDouble(arg);
}

static PyObject *
alc_setfloatmax(alcobject *self, PyObject *args)
{
	double arg;

	if (!PyArg_ParseTuple(args, "d:SetFloatMax", &arg))
		return 0;
	if (ALsetfloatmax(self->config, arg) == -1)
		return NULL;
	Py_INCREF(Py_None);
	return Py_None;
}
#endif /* AL_405 */
	
static struct PyMethodDef alc_methods[] = {
#ifdef AL_NO_ELEM		/* IRIX 6 */
	{"SetWidth",	(PyCFunction)alc_SetWidth,	METH_VARARGS,	alc_SetWidth__doc__},
	{"GetWidth",	(PyCFunction)alc_GetWidth,	METH_VARARGS,	alc_GetWidth__doc__},
	{"SetSampFmt",	(PyCFunction)alc_SetSampFmt,	METH_VARARGS,	alc_SetSampFmt__doc__},
	{"GetSampFmt",	(PyCFunction)alc_GetSampFmt,	METH_VARARGS,	alc_GetSampFmt__doc__},
	{"SetChannels",	(PyCFunction)alc_SetChannels,	METH_VARARGS,	alc_SetChannels__doc__},
	{"GetChannels",	(PyCFunction)alc_GetChannels,	METH_VARARGS,	alc_GetChannels__doc__},
	{"SetFloatMax",	(PyCFunction)alc_SetFloatMax,	METH_VARARGS,	alc_SetFloatMax__doc__},
	{"GetFloatMax",	(PyCFunction)alc_GetFloatMax,	METH_VARARGS,	alc_GetFloatMax__doc__},
	{"SetDevice",	(PyCFunction)alc_SetDevice,	METH_VARARGS,	alc_SetDevice__doc__},
	{"GetDevice",	(PyCFunction)alc_GetDevice,	METH_VARARGS,	alc_GetDevice__doc__},
	{"SetQueueSize",	(PyCFunction)alc_SetQueueSize,	METH_VARARGS,	alc_SetQueueSize__doc__},
	{"GetQueueSize",	(PyCFunction)alc_GetQueueSize,	METH_VARARGS,	alc_GetQueueSize__doc__},
#endif /* AL_NO_ELEM */
	{"getqueuesize",	(PyCFunction)alc_getqueuesize,	METH_VARARGS},
	{"setqueuesize",	(PyCFunction)alc_setqueuesize,	METH_VARARGS},
	{"getwidth",		(PyCFunction)alc_getwidth,	METH_VARARGS},
	{"setwidth",		(PyCFunction)alc_setwidth,	METH_VARARGS},
	{"getchannels",		(PyCFunction)alc_getchannels,	METH_VARARGS},
	{"setchannels",		(PyCFunction)alc_setchannels,	METH_VARARGS},
#ifdef AL_405
	{"getsampfmt",		(PyCFunction)alc_getsampfmt,	METH_VARARGS},
	{"setsampfmt",		(PyCFunction)alc_setsampfmt,	METH_VARARGS},
	{"getfloatmax",		(PyCFunction)alc_getfloatmax,	METH_VARARGS},
	{"setfloatmax",		(PyCFunction)alc_setfloatmax,	METH_VARARGS},
#endif /* AL_405 */

	{NULL,		NULL}		/* sentinel */
};

/* ---------- */


static PyObject *
newalcobject(ALconfig config)
{
	alcobject *self;
	
	self = PyObject_New(alcobject, &Alctype);
	if (self == NULL)
		return NULL;
	/* XXXX Add your own initializers here */
	self->config = config;
	return (PyObject *) self;
}


static void
alc_dealloc(alcobject *self)
{
	/* XXXX Add your own cleanup code here */
#ifdef AL_NO_ELEM		/* IRIX 6 */
	(void) alFreeConfig(self->config);	/* ignore errors */
#else
	(void) ALfreeconfig(self->config);	/* ignore errors */
#endif
	PyObject_Del(self);
}

static PyObject *
alc_getattr(alcobject *self, char *name)
{
	/* XXXX Add your own getattr code here */
	return Py_FindMethod(alc_methods, (PyObject *)self, name);
}

PyDoc_STRVAR(Alctype__doc__, "");

static PyTypeObject Alctype = {
	PyObject_HEAD_INIT(&PyType_Type)
	0,				/*ob_size*/
	"al.config",			/*tp_name*/
	sizeof(alcobject),		/*tp_basicsize*/
	0,				/*tp_itemsize*/
	/* methods */
	(destructor)alc_dealloc,	/*tp_dealloc*/
	(printfunc)0,		/*tp_print*/
	(getattrfunc)alc_getattr,	/*tp_getattr*/
	(setattrfunc)0,	/*tp_setattr*/
	(cmpfunc)0,		/*tp_compare*/
	(reprfunc)0,		/*tp_repr*/
	0,			/*tp_as_number*/
	0,		/*tp_as_sequence*/
	0,		/*tp_as_mapping*/
	(hashfunc)0,		/*tp_hash*/
	(ternaryfunc)0,		/*tp_call*/
	(reprfunc)0,		/*tp_str*/

	/* Space for future expansion */
	0L,0L,0L,0L,
	Alctype__doc__ /* Documentation string */
};

/* End of code for config objects */
/* ---------------------------------------------------------------- */

#ifdef AL_NO_ELEM		/* IRIX 6 */

PyDoc_STRVAR(alp_SetConfig__doc__,
"alSetConfig: set the ALconfig of an audio ALport.");

static PyObject *
alp_SetConfig(alpobject *self, PyObject *args)
{
	alcobject *config;
	if (!PyArg_ParseTuple(args, "O!:SetConfig", &Alctype, &config))
		return NULL;
	if (alSetConfig(self->port, config->config) < 0)
		return NULL;
	Py_INCREF(Py_None);
	return Py_None;
}


PyDoc_STRVAR(alp_GetConfig__doc__,
"alGetConfig: get the ALconfig of an audio ALport.");

static PyObject *
alp_GetConfig(alpobject *self, PyObject *args)
{
	ALconfig config;
	if (!PyArg_ParseTuple(args, ":GetConfig"))
		return NULL;
	if ((config = alGetConfig(self->port)) == NULL)
		return NULL;
	return newalcobject(config);
}


PyDoc_STRVAR(alp_GetResource__doc__,
"alGetResource: get the resource associated with an audio port.");

static PyObject *
alp_GetResource(alpobject *self, PyObject *args)
{
	int resource;

	if (!PyArg_ParseTuple(args, ":GetResource"))
		return NULL;
	if ((resource = alGetResource(self->port)) == 0)
		return NULL;
	return PyInt_FromLong((long) resource);
}


PyDoc_STRVAR(alp_GetFD__doc__,
"alGetFD: get the file descriptor for an audio port.");

static PyObject *
alp_GetFD(alpobject *self, PyObject *args)
{
	int fd;

	if (!PyArg_ParseTuple(args, ":GetFD"))
		return NULL;

	if ((fd = alGetFD(self->port)) < 0)
		return NULL;

	return PyInt_FromLong((long) fd);
}


PyDoc_STRVAR(alp_GetFilled__doc__,
"alGetFilled: return the number of filled sample frames in "
"an audio port.");

static PyObject *
alp_GetFilled(alpobject *self, PyObject *args)
{
	int filled;

	if (!PyArg_ParseTuple(args, ":GetFilled"))
		return NULL;
	if ((filled = alGetFilled(self->port)) < 0)
		return NULL;
	return PyInt_FromLong((long) filled);
}


PyDoc_STRVAR(alp_GetFillable__doc__,
"alGetFillable: report the number of unfilled sample frames "
"in an audio port.");

static PyObject *
alp_GetFillable(alpobject *self, PyObject *args)
{
	int fillable;

	if (!PyArg_ParseTuple(args, ":GetFillable"))
		return NULL;
	if ((fillable = alGetFillable(self->port)) < 0)
		return NULL;
	return PyInt_FromLong((long) fillable);
}


PyDoc_STRVAR(alp_ReadFrames__doc__,
"alReadFrames: read sample frames from an audio port.");

static PyObject *
alp_ReadFrames(alpobject *self, PyObject *args)
{
	int framecount;
	PyObject *v;
	int size;
	int ch;
	ALconfig c;

	if (!PyArg_ParseTuple(args, "i:ReadFrames", &framecount))
		return NULL;
	if (framecount < 0) {
		PyErr_SetString(ErrorObject, "negative framecount");
		return NULL;
	}
	c = alGetConfig(self->port);
	switch (alGetSampFmt(c)) {
	case AL_SAMPFMT_TWOSCOMP:
		switch (alGetWidth(c)) {
		case AL_SAMPLE_8:
			size = 1;
			break;
		case AL_SAMPLE_16:
			size = 2;
			break;
		case AL_SAMPLE_24:
			size = 4;
			break;
		default:
			PyErr_SetString(ErrorObject, "can't determine width");
			alFreeConfig(c);
			return NULL;
		}
		break;
	case AL_SAMPFMT_FLOAT:
		size = 4;
		break;
	case AL_SAMPFMT_DOUBLE:
		size = 8;
		break;
	default:
		PyErr_SetString(ErrorObject, "can't determine format");
		alFreeConfig(c);
		return NULL;
	}
	ch = alGetChannels(c);
	alFreeConfig(c);
	if (ch < 0) {
		PyErr_SetString(ErrorObject, "can't determine # of channels");
		return NULL;
	}
	size *= ch;
	v = PyString_FromStringAndSize((char *) NULL, size * framecount);
	if (v == NULL)
		return NULL;

	Py_BEGIN_ALLOW_THREADS
	alReadFrames(self->port, (void *) PyString_AS_STRING(v), framecount);
	Py_END_ALLOW_THREADS

	return v;
}


PyDoc_STRVAR(alp_DiscardFrames__doc__,
"alDiscardFrames: discard audio from an audio port.");

static PyObject *
alp_DiscardFrames(alpobject *self, PyObject *args)
{
	int framecount;

	if (!PyArg_ParseTuple(args, "i:DiscardFrames", &framecount))
		return NULL;

	Py_BEGIN_ALLOW_THREADS
	framecount = alDiscardFrames(self->port, framecount);
	Py_END_ALLOW_THREADS

	if (framecount < 0)
		return NULL;

	return PyInt_FromLong((long) framecount);
}


PyDoc_STRVAR(alp_ZeroFrames__doc__,
"alZeroFrames: write zero-valued sample frames to an audio port.");

static PyObject *
alp_ZeroFrames(alpobject *self, PyObject *args)
{
	int framecount;

	if (!PyArg_ParseTuple(args, "i:ZeroFrames", &framecount))
		return NULL;

	if (framecount < 0) {
		PyErr_SetString(ErrorObject, "negative framecount");
		return NULL;
	}

	Py_BEGIN_ALLOW_THREADS
	alZeroFrames(self->port, framecount);
	Py_END_ALLOW_THREADS

	Py_INCREF(Py_None);
	return Py_None;
}


PyDoc_STRVAR(alp_SetFillPoint__doc__,
"alSetFillPoint: set low- or high-water mark for an audio port.");

static PyObject *
alp_SetFillPoint(alpobject *self, PyObject *args)
{
	int fillpoint;

	if (!PyArg_ParseTuple(args, "i:SetFillPoint", &fillpoint))
		return NULL;

	if (alSetFillPoint(self->port, fillpoint) < 0)
		return NULL;

	Py_INCREF(Py_None);
	return Py_None;
}


PyDoc_STRVAR(alp_GetFillPoint__doc__,
"alGetFillPoint: get low- or high-water mark for an audio port.");

static PyObject *
alp_GetFillPoint(alpobject *self, PyObject *args)
{
	int fillpoint;

	if (!PyArg_ParseTuple(args, ":GetFillPoint"))
		return NULL;

	if ((fillpoint = alGetFillPoint(self->port)) < 0)
		return NULL;

	return PyInt_FromLong((long) fillpoint);
}


PyDoc_STRVAR(alp_GetFrameNumber__doc__,
"alGetFrameNumber: get the absolute sample frame number "
"associated with a port.");

static PyObject *
alp_GetFrameNumber(alpobject *self, PyObject *args)
{
	stamp_t fnum;

	if (!PyArg_ParseTuple(args, ":GetFrameNumber"))
		return NULL;

	if (alGetFrameNumber(self->port, &fnum) < 0)
		return NULL;

	return PyLong_FromLongLong((long long) fnum);
}


PyDoc_STRVAR(alp_GetFrameTime__doc__,
"alGetFrameTime: get the time at which a sample frame came "
"in or will go out.");

static PyObject *
alp_GetFrameTime(alpobject *self, PyObject *args)
{
	stamp_t fnum, time;
	PyObject *ret, *v0, *v1;

	if (!PyArg_ParseTuple(args, ":GetFrameTime"))
		return NULL;
	if (alGetFrameTime(self->port, &fnum, &time) < 0)
		return NULL;
	v0 = PyLong_FromLongLong((long long) fnum);
	v1 = PyLong_FromLongLong((long long) time);
	if (PyErr_Occurred()) {
		Py_XDECREF(v0);
		Py_XDECREF(v1);
		return NULL;
	}
	ret = PyTuple_Pack(2, v0, v1);
	Py_DECREF(v0);
	Py_DECREF(v1);
	return ret;
}


PyDoc_STRVAR(alp_WriteFrames__doc__,
"alWriteFrames: write sample frames to an audio port.");

static PyObject *
alp_WriteFrames(alpobject *self, PyObject *args)
{
	char *samples;
	int length;
	int size, ch;
	ALconfig c;

	if (!PyArg_ParseTuple(args, "s#:WriteFrames", &samples, &length))
		return NULL;
	c = alGetConfig(self->port);
	switch (alGetSampFmt(c)) {
	case AL_SAMPFMT_TWOSCOMP:
		switch (alGetWidth(c)) {
		case AL_SAMPLE_8:
			size = 1;
			break;
		case AL_SAMPLE_16:
			size = 2;
			break;
		case AL_SAMPLE_24:
			size = 4;
			break;
		default:
			PyErr_SetString(ErrorObject, "can't determine width");
			alFreeConfig(c);
			return NULL;
		}
		break;
	case AL_SAMPFMT_FLOAT:
		size = 4;
		break;
	case AL_SAMPFMT_DOUBLE:
		size = 8;
		break;
	default:
		PyErr_SetString(ErrorObject, "can't determine format");
		alFreeConfig(c);
		return NULL;
	}
	ch = alGetChannels(c);
	alFreeConfig(c);
	if (ch < 0) {
		PyErr_SetString(ErrorObject, "can't determine # of channels");
		return NULL;
	}
	size *= ch;
	if (length % size != 0) {
		PyErr_SetString(ErrorObject,
				"buffer length not whole number of frames");
		return NULL;
	}

	Py_BEGIN_ALLOW_THREADS
	alWriteFrames(self->port, (void *) samples, length / size);
	Py_END_ALLOW_THREADS

	Py_INCREF(Py_None);
	return Py_None;
}


PyDoc_STRVAR(alp_ClosePort__doc__, "alClosePort: close an audio port.");

static PyObject *
alp_ClosePort(alpobject *self, PyObject *args)
{
	if (!PyArg_ParseTuple(args, ":ClosePort"))
		return NULL;
	if (alClosePort(self->port) < 0)
		return NULL;
	self->port = NULL;
	Py_INCREF(Py_None);
	return Py_None;
}

#endif /* AL_NO_ELEM */

#ifdef OLD_INTERFACE
static PyObject *
alp_closeport(alpobject *self, PyObject *args)
{
	if (!PyArg_ParseTuple(args, ":ClosePort"))
		return NULL;
	if (ALcloseport(self->port) < 0)
		return NULL;
	self->port = NULL;
	Py_INCREF(Py_None);
	return Py_None;
}

static PyObject *
alp_getfd(alpobject *self, PyObject *args)
{
	int fd;

	if (!PyArg_ParseTuple(args, ":GetFD"))
		return NULL;
	if ((fd = ALgetfd(self-> port)) == -1)
		return NULL;
	return PyInt_FromLong(fd);
}

static PyObject *
alp_getfilled(alpobject *self, PyObject *args)
{
	long count;

	if (!PyArg_ParseTuple(args, ":GetFilled"))
		return NULL;
	if ((count = ALgetfilled(self-> port)) == -1)
		return NULL;
	return PyInt_FromLong(count);
}

static PyObject *
alp_getfillable(alpobject *self, PyObject *args)
{
	long count;

	if (!PyArg_ParseTuple(args, ":GetFillable"))
		return NULL;
	if ((count = ALgetfillable(self-> port)) == -1)
		return NULL;
	return PyInt_FromLong (count);
}

static PyObject *
alp_readsamps(alpobject *self, PyObject *args)
{
	long count;
	PyObject *v;
	ALconfig c;
	int width;
	int ret;

	if (!PyArg_ParseTuple(args, "l:readsamps", &count))
		return NULL;

	if (count <= 0) {
		PyErr_SetString(ErrorObject, "al.readsamps : arg <= 0");
		return NULL;
	}

	c = ALgetconfig(self->port);
#ifdef AL_405
	width = ALgetsampfmt(c);
	if (width == AL_SAMPFMT_FLOAT)
		width = sizeof(float);
	else if (width == AL_SAMPFMT_DOUBLE)
		width = sizeof(double);
	else
		width = ALgetwidth(c);
#else
	width = ALgetwidth(c);
#endif /* AL_405 */
	ALfreeconfig(c);
	v = PyString_FromStringAndSize((char *)NULL, width * count);
	if (v == NULL)
		return NULL;

	Py_BEGIN_ALLOW_THREADS
	ret = ALreadsamps(self->port, (void *) PyString_AsString(v), count);
	Py_END_ALLOW_THREADS
	if (ret == -1) {
		Py_DECREF(v);
		return NULL;
	}

	return (v);
}

static PyObject *
alp_writesamps(alpobject *self, PyObject *args)
{
	char *buf;
	int size, width;
	ALconfig c;
	int ret;

	if (!PyArg_ParseTuple(args, "s#:writesamps", &buf, &size))
		return NULL;

	c = ALgetconfig(self->port);
#ifdef AL_405
	width = ALgetsampfmt(c);
	if (width == AL_SAMPFMT_FLOAT)
		width = sizeof(float);
	else if (width == AL_SAMPFMT_DOUBLE)
		width = sizeof(double);
	else
		width = ALgetwidth(c);
#else
	width = ALgetwidth(c);
#endif /* AL_405 */
	ALfreeconfig(c);
	Py_BEGIN_ALLOW_THREADS
	ret = ALwritesamps (self->port, (void *) buf, (long) size / width);
	Py_END_ALLOW_THREADS
	if (ret == -1)
		return NULL;

	Py_INCREF(Py_None);
	return Py_None;
}

static PyObject *
alp_getfillpoint(alpobject *self, PyObject *args)
{
	long count;

	if (!PyArg_ParseTuple(args, ":GetFillPoint"))
		return NULL;
	if ((count = ALgetfillpoint(self->port)) == -1)
		return NULL;
	return PyInt_FromLong(count);
}

static PyObject *
alp_setfillpoint(alpobject *self, PyObject *args)
{
	long count;

	if (!PyArg_ParseTuple(args, "l:SetFillPoint", &count))
		return NULL;
	if (ALsetfillpoint(self->port, count) == -1)
		return NULL;
	Py_INCREF(Py_None);
	return Py_None;
}

static PyObject *
alp_setconfig(alpobject *self, PyObject *args)
{
	alcobject *config;

	if (!PyArg_ParseTuple(args, "O!:SetConfig", &Alctype, &config))
		return NULL;
	if (ALsetconfig(self->port, config->config) == -1)
		return NULL;
	Py_INCREF(Py_None);
	return Py_None;
}

static PyObject *
alp_getconfig(alpobject *self, PyObject *args)
{
	ALconfig config;

	if (!PyArg_ParseTuple(args, ":GetConfig"))
		return NULL;
	config = ALgetconfig(self->port);
	if (config == NULL)
		return NULL;
	return newalcobject(config);
}

#ifdef AL_405
static PyObject *
alp_getstatus(alpobject *self, PyObject *args)
{
	PyObject *list, *v;
	long *PVbuffer;
	long length;
	int i;
	
	if (!PyArg_ParseTuple(args, "O!", &PyList_Type, &list))
		return NULL;
	length = PyList_Size(list);
	PVbuffer = PyMem_NEW(long, length);
	if (PVbuffer == NULL)
		return PyErr_NoMemory();
	for (i = 0; i < length; i++) {
		v = PyList_GetItem(list, i);
		if (!PyInt_Check(v)) {
			PyMem_DEL(PVbuffer);
			PyErr_BadArgument();
			return NULL;
		}
		PVbuffer[i] = PyInt_AsLong(v);
	}

	if (ALgetstatus(self->port, PVbuffer, length) == -1)
		return NULL;

	for (i = 0; i < length; i++)
		PyList_SetItem(list, i, PyInt_FromLong(PVbuffer[i]));

	PyMem_DEL(PVbuffer);

	Py_INCREF(Py_None);
	return Py_None;
}
#endif /* AL_405 */

#endif /* OLD_INTERFACE */

static struct PyMethodDef alp_methods[] = {
#ifdef AL_NO_ELEM		/* IRIX 6 */
	{"SetConfig",	(PyCFunction)alp_SetConfig,	METH_VARARGS,	alp_SetConfig__doc__},
	{"GetConfig",	(PyCFunction)alp_GetConfig,	METH_VARARGS,	alp_GetConfig__doc__},
	{"GetResource",	(PyCFunction)alp_GetResource,	METH_VARARGS,	alp_GetResource__doc__},
	{"GetFD",	(PyCFunction)alp_GetFD,	METH_VARARGS,	alp_GetFD__doc__},
	{"GetFilled",	(PyCFunction)alp_GetFilled,	METH_VARARGS,	alp_GetFilled__doc__},
	{"GetFillable",	(PyCFunction)alp_GetFillable,	METH_VARARGS,	alp_GetFillable__doc__},
	{"ReadFrames",	(PyCFunction)alp_ReadFrames,	METH_VARARGS,	alp_ReadFrames__doc__},
	{"DiscardFrames",	(PyCFunction)alp_DiscardFrames,	METH_VARARGS,	alp_DiscardFrames__doc__},
	{"ZeroFrames",	(PyCFunction)alp_ZeroFrames,	METH_VARARGS,	alp_ZeroFrames__doc__},
	{"SetFillPoint",	(PyCFunction)alp_SetFillPoint,	METH_VARARGS,	alp_SetFillPoint__doc__},
	{"GetFillPoint",	(PyCFunction)alp_GetFillPoint,	METH_VARARGS,	alp_GetFillPoint__doc__},
	{"GetFrameNumber",	(PyCFunction)alp_GetFrameNumber,	METH_VARARGS,	alp_GetFrameNumber__doc__},
	{"GetFrameTime",	(PyCFunction)alp_GetFrameTime,	METH_VARARGS,	alp_GetFrameTime__doc__},
	{"WriteFrames",	(PyCFunction)alp_WriteFrames,	METH_VARARGS,	alp_WriteFrames__doc__},
	{"ClosePort",	(PyCFunction)alp_ClosePort,	METH_VARARGS,	alp_ClosePort__doc__},
#endif /* AL_NO_ELEM */
#ifdef OLD_INTERFACE
	{"closeport",		(PyCFunction)alp_closeport,	METH_VARARGS},
	{"getfd",		(PyCFunction)alp_getfd,	METH_VARARGS},
        {"fileno",		(PyCFunction)alp_getfd,	METH_VARARGS},
	{"getfilled",		(PyCFunction)alp_getfilled,	METH_VARARGS},
	{"getfillable",		(PyCFunction)alp_getfillable,	METH_VARARGS},
	{"readsamps",		(PyCFunction)alp_readsamps,	METH_VARARGS},
	{"writesamps",		(PyCFunction)alp_writesamps,	METH_VARARGS},
	{"setfillpoint",	(PyCFunction)alp_setfillpoint,	METH_VARARGS},
	{"getfillpoint",	(PyCFunction)alp_getfillpoint,	METH_VARARGS},
	{"setconfig",		(PyCFunction)alp_setconfig,	METH_VARARGS},
	{"getconfig",		(PyCFunction)alp_getconfig,	METH_VARARGS},
#ifdef AL_405
	{"getstatus",		(PyCFunction)alp_getstatus,	METH_VARARGS},
#endif /* AL_405 */	    
#endif /* OLD_INTERFACE */
 
	{NULL,		NULL}		/* sentinel */
};

/* ---------- */


static PyObject *
newalpobject(ALport port)
{
	alpobject *self;
	
	self = PyObject_New(alpobject, &Alptype);
	if (self == NULL)
		return NULL;
	/* XXXX Add your own initializers here */
	self->port = port;
	return (PyObject *) self;
}


static void
alp_dealloc(alpobject *self)
{
	/* XXXX Add your own cleanup code here */
	if (self->port) {
#ifdef AL_NO_ELEM		/* IRIX 6 */
		alClosePort(self->port);
#else
		ALcloseport(self->port);
#endif
	}
	PyObject_Del(self);
}

static PyObject *
alp_getattr(alpobject *self, char *name)
{
	/* XXXX Add your own getattr code here */
	if (self->port == NULL) {
		PyErr_SetString(ErrorObject, "port already closed");
		return NULL;
	}
	return Py_FindMethod(alp_methods, (PyObject *)self, name);
}

PyDoc_STRVAR(Alptype__doc__, "");

static PyTypeObject Alptype = {
	PyObject_HEAD_INIT(&PyType_Type)
	0,				/*ob_size*/
	"al.port",			/*tp_name*/
	sizeof(alpobject),		/*tp_basicsize*/
	0,				/*tp_itemsize*/
	/* methods */
	(destructor)alp_dealloc,	/*tp_dealloc*/
	(printfunc)0,		/*tp_print*/
	(getattrfunc)alp_getattr,	/*tp_getattr*/
	(setattrfunc)0,	/*tp_setattr*/
	(cmpfunc)0,		/*tp_compare*/
	(reprfunc)0,		/*tp_repr*/
	0,			/*tp_as_number*/
	0,		/*tp_as_sequence*/
	0,		/*tp_as_mapping*/
	(hashfunc)0,		/*tp_hash*/
	(ternaryfunc)0,		/*tp_call*/
	(reprfunc)0,		/*tp_str*/

	/* Space for future expansion */
	0L,0L,0L,0L,
	Alptype__doc__ /* Documentation string */
};

/* End of code for port objects */
/* -------------------------------------------------------- */


#ifdef AL_NO_ELEM		/* IRIX 6 */

PyDoc_STRVAR(al_NewConfig__doc__,
"alNewConfig: create and initialize an audio ALconfig structure.");

static PyObject *
al_NewConfig(PyObject *self, PyObject *args)
{
	ALconfig config;

	if (!PyArg_ParseTuple(args, ":NewConfig"))
		return NULL;
	if ((config = alNewConfig()) == NULL)
		return NULL;
	return newalcobject(config);
}

PyDoc_STRVAR(al_OpenPort__doc__,
"alOpenPort: open an audio port.");

static PyObject *
al_OpenPort(PyObject *self, PyObject *args)
{
	ALport port;
	char *name, *dir;
	alcobject *config = NULL;

	if (!PyArg_ParseTuple(args, "ss|O!:OpenPort", &name, &dir, &Alctype, &config))
		return NULL;
	if ((port = alOpenPort(name, dir, config ? config->config : NULL)) == NULL)
		return NULL;
	return newalpobject(port);
}

PyDoc_STRVAR(al_Connect__doc__,
"alConnect: connect two audio I/O resources.");

static PyObject *
al_Connect(PyObject *self, PyObject *args)
{
	int source, dest, nprops = 0, id, i;
	ALpv *props = NULL;
	ALparamInfo *propinfo = NULL;
	PyObject *propobj = NULL;

	if (!PyArg_ParseTuple(args, "ii|O!:Connect", &source, &dest, &PyList_Type, &propobj))
		return NULL;
	if (propobj != NULL) {
		nprops = python2params(source, dest, propobj, &props, &propinfo);
		if (nprops < 0)
			return NULL;
	}

	id = alConnect(source, dest, props, nprops);

	if (props) {
		for (i = 0; i < nprops; i++) {
			switch (propinfo[i].valueType) {
			case AL_SET_VAL:
			case AL_VECTOR_VAL:
				PyMem_DEL(props[i].value.ptr);
				break;
			}
		}
		PyMem_DEL(props);
		PyMem_DEL(propinfo);
	}

	if (id < 0)
		return NULL;
	return PyInt_FromLong((long) id);
}

PyDoc_STRVAR(al_Disconnect__doc__,
"alDisconnect: delete a connection between two audio I/O resources.");

static PyObject *
al_Disconnect(PyObject *self, PyObject *args)
{
	int res;

	if (!PyArg_ParseTuple(args, "i:Disconnect", &res))
		return NULL;
	if (alDisconnect(res) < 0)
		return NULL;
	Py_INCREF(Py_None);
	return Py_None;
}

PyDoc_STRVAR(al_GetParams__doc__,
"alGetParams: get the values of audio resource parameters.");

static PyObject *
al_GetParams(PyObject *self, PyObject *args)
{
	int resource;
	PyObject *pvslist, *item = NULL, *v = NULL;
	ALpv *pvs;
	int i, j, npvs;
	ALparamInfo *pinfo;

	if (!PyArg_ParseTuple(args, "iO!:GetParams", &resource, &PyList_Type, &pvslist))
		return NULL;
	npvs = PyList_Size(pvslist);
	pvs = PyMem_NEW(ALpv, npvs);
	pinfo = PyMem_NEW(ALparamInfo, npvs);
	for (i = 0; i < npvs; i++) {
		item = PyList_GetItem(pvslist, i);
		if (!PyInt_Check(item)) {
			item = NULL;
			PyErr_SetString(ErrorObject, "list of integers expected");
			goto error;
		}
		pvs[i].param = (int) PyInt_AsLong(item);
		item = NULL;	/* not needed anymore */
		if (alGetParamInfo(resource, pvs[i].param, &pinfo[i]) < 0)
			goto error;
		switch (pinfo[i].valueType) {
		case AL_NO_VAL:
			break;
		case AL_MATRIX_VAL:
			pinfo[i].maxElems *= pinfo[i].maxElems2;
			/* fall through */
		case AL_STRING_VAL:
		case AL_SET_VAL:
		case AL_VECTOR_VAL:
			switch (pinfo[i].elementType) {
			case AL_INT32_ELEM:
			case AL_RESOURCE_ELEM:
			case AL_ENUM_ELEM:
				pvs[i].value.ptr = PyMem_NEW(int, pinfo[i].maxElems);
				pvs[i].sizeIn = pinfo[i].maxElems;
				break;
			case AL_INT64_ELEM:
			case AL_FIXED_ELEM:
				pvs[i].value.ptr = PyMem_NEW(long long, pinfo[i].maxElems);
				pvs[i].sizeIn = pinfo[i].maxElems;
				break;
			case AL_CHAR_ELEM:
				pvs[i].value.ptr = PyMem_NEW(char, 32);
				pvs[i].sizeIn = 32;
				break;
			case AL_NO_ELEM:
			case AL_PTR_ELEM:
			default:
				PyErr_SetString(ErrorObject, "internal error");
				goto error;
			}
			break;
		case AL_SCALAR_VAL:
			break;
		default:
			PyErr_SetString(ErrorObject, "internal error");
			goto error;
		}
		if (pinfo[i].valueType == AL_MATRIX_VAL) {
			pinfo[i].maxElems /= pinfo[i].maxElems2;
			pvs[i].sizeIn /= pinfo[i].maxElems2;
			pvs[i].size2In = pinfo[i].maxElems2;
		}
	}
	if (alGetParams(resource, pvs, npvs) < 0)
		goto error;
	if (!(v = PyList_New(npvs)))
		goto error;
	for (i = 0; i < npvs; i++) {
		if (pvs[i].sizeOut < 0) {
			char buf[32];
			PyOS_snprintf(buf, sizeof(buf),
				      "problem with param %d", i);
			PyErr_SetString(ErrorObject, buf);
			goto error;
		}
		switch (pinfo[i].valueType) {
		case AL_NO_VAL:
			item = Py_None;
			Py_INCREF(item);
			break;
		case AL_STRING_VAL:
			item = PyString_FromString(pvs[i].value.ptr);
			PyMem_DEL(pvs[i].value.ptr);
			break;
		case AL_MATRIX_VAL:
			/* XXXX this is not right */
			pvs[i].sizeOut *= pvs[i].size2Out;
			/* fall through */
		case AL_SET_VAL:
		case AL_VECTOR_VAL:
			item = PyList_New(pvs[i].sizeOut);
			for (j = 0; j < pvs[i].sizeOut; j++) {
				switch (pinfo[i].elementType) {
				case AL_INT32_ELEM:
				case AL_RESOURCE_ELEM:
				case AL_ENUM_ELEM:
					PyList_SetItem(item, j, PyInt_FromLong((long) ((int *) pvs[i].value.ptr)[j]));
					break;
				case AL_INT64_ELEM:
					PyList_SetItem(item, j, PyLong_FromLongLong(((long long *) pvs[i].value.ptr)[j]));
					break;
				case AL_FIXED_ELEM:
					PyList_SetItem(item, j, PyFloat_FromDouble(alFixedToDouble(((long long *) pvs[i].value.ptr)[j])));
					break;
				default:
					PyErr_SetString(ErrorObject, "internal error");
					goto error;
				}
			}
			PyMem_DEL(pvs[i].value.ptr);
			break;
		case AL_SCALAR_VAL:
			item = param2python(resource, pvs[i].param, pvs[i].value, &pinfo[i]);
			break;
		}
		if (PyErr_Occurred() ||
		    PyList_SetItem(v, i, Py_BuildValue("(iO)", pvs[i].param,
						       item)) < 0 ||
		    PyErr_Occurred())
			goto error;
		Py_DECREF(item);
	}
	PyMem_DEL(pvs);
	PyMem_DEL(pinfo);
	return v;

  error:
	Py_XDECREF(v);
	Py_XDECREF(item);
	if (pvs)
		PyMem_DEL(pvs);
	if (pinfo)
		PyMem_DEL(pinfo);
	return NULL;
}

PyDoc_STRVAR(al_SetParams__doc__,
"alSetParams: set the values of audio resource parameters.");

static PyObject *
al_SetParams(PyObject *self, PyObject *args)
{
	int resource;
	PyObject *pvslist;
	ALpv *pvs;
	ALparamInfo *pinfo;
	int npvs, i;

	if (!PyArg_ParseTuple(args, "iO!:SetParams", &resource, &PyList_Type, &pvslist))
		return NULL;
	npvs = python2params(resource, -1, pvslist, &pvs, &pinfo);
	if (npvs < 0)
		return NULL;

	if (alSetParams(resource, pvs, npvs) < 0)
		goto error;

	/* cleanup */
	for (i = 0; i < npvs; i++) {
		switch (pinfo[i].valueType) {
		case AL_SET_VAL:
		case AL_VECTOR_VAL:
			PyMem_DEL(pvs[i].value.ptr);
			break;
		}
	}
	PyMem_DEL(pvs);
	PyMem_DEL(pinfo);

	Py_INCREF(Py_None);
	return Py_None;

  error:
	/* XXXX we should clean up everything */
	if (pvs)
		PyMem_DEL(pvs);
	if (pinfo)
		PyMem_DEL(pinfo);
	return NULL;
}

PyDoc_STRVAR(al_QueryValues__doc__,
"alQueryValues: get the set of possible values for a parameter.");

static PyObject *
al_QueryValues(PyObject *self, PyObject *args)
{
	int resource, param;
	ALvalue *return_set = NULL;
	int setsize = 32, qualsize = 0, nvals, i;
	ALpv *quals = NULL;
	ALparamInfo pinfo;
	ALparamInfo *qualinfo = NULL;
	PyObject *qualobj = NULL;
	PyObject *res = NULL, *item;

	if (!PyArg_ParseTuple(args, "ii|O!:QueryValues", &resource, &param,
			      &PyList_Type, &qualobj))
		return NULL;
	if (qualobj != NULL) {
		qualsize = python2params(resource, param, qualobj, &quals, &qualinfo);
		if (qualsize < 0)
			return NULL;
	}
	setsize = 32;
	return_set = PyMem_NEW(ALvalue, setsize);
	if (return_set == NULL) {
		PyErr_NoMemory();
		goto cleanup;
	}

  retry:
	nvals = alQueryValues(resource, param, return_set, setsize, quals, qualsize);
	if (nvals < 0)
		goto cleanup;
	if (nvals > setsize) {
		ALvalue *old_return_set = return_set;
		setsize = nvals;
		PyMem_RESIZE(return_set, ALvalue, setsize);
		if (return_set == NULL) {
			return_set = old_return_set;
			PyErr_NoMemory();
			goto cleanup;
		}
		goto retry;
	}

	if (alGetParamInfo(resource, param, &pinfo) < 0)
		goto cleanup;

	res = PyList_New(nvals);
	if (res == NULL)
		goto cleanup;
	for (i = 0; i < nvals; i++) {
		item = param2python(resource, param, return_set[i], &pinfo);
		if (item == NULL ||
		    PyList_SetItem(res, i, item) < 0) {
			Py_DECREF(res);
			res = NULL;
			goto cleanup;
		}
	}

  cleanup:
	if (return_set)
		PyMem_DEL(return_set);
	if (quals) {
		for (i = 0; i < qualsize; i++) {
			switch (qualinfo[i].valueType) {
			case AL_SET_VAL:
			case AL_VECTOR_VAL:
				PyMem_DEL(quals[i].value.ptr);
				break;
			}
		}
		PyMem_DEL(quals);
		PyMem_DEL(qualinfo);
	}

	return res;
}

PyDoc_STRVAR(al_GetParamInfo__doc__,
"alGetParamInfo: get information about a parameter on "
"a particular audio resource.");

static PyObject *
al_GetParamInfo(PyObject *self, PyObject *args)
{
	int res, param;
	ALparamInfo pinfo;
	PyObject *v, *item;

	if (!PyArg_ParseTuple(args, "ii:GetParamInfo", &res, &param))
		return NULL;
	if (alGetParamInfo(res, param, &pinfo) < 0)
		return NULL;
	v = PyDict_New();
	if (!v) return NULL;

	item = PyInt_FromLong((long) pinfo.resource);
	PyDict_SetItemString(v, "resource", item);
	Py_DECREF(item);

	item = PyInt_FromLong((long) pinfo.param);
	PyDict_SetItemString(v, "param", item);
	Py_DECREF(item);

	item = PyInt_FromLong((long) pinfo.valueType);
	PyDict_SetItemString(v, "valueType", item);
	Py_DECREF(item);

	if (pinfo.valueType != AL_NO_VAL && pinfo.valueType != AL_SCALAR_VAL) {
		/* multiple values */
		item = PyInt_FromLong((long) pinfo.maxElems);
		PyDict_SetItemString(v, "maxElems", item);
		Py_DECREF(item);

		if (pinfo.valueType == AL_MATRIX_VAL) {
			/* 2 dimensional */
			item = PyInt_FromLong((long) pinfo.maxElems2);
			PyDict_SetItemString(v, "maxElems2", item);
			Py_DECREF(item);
		}
	}

	item = PyInt_FromLong((long) pinfo.elementType);
	PyDict_SetItemString(v, "elementType", item);
	Py_DECREF(item);

	item = PyString_FromString(pinfo.name);
	PyDict_SetItemString(v, "name", item);
	Py_DECREF(item);

	item = param2python(res, param, pinfo.initial, &pinfo);
	PyDict_SetItemString(v, "initial", item);
	Py_DECREF(item);

	if (pinfo.elementType != AL_ENUM_ELEM &&
	    pinfo.elementType != AL_RESOURCE_ELEM &&
	    pinfo.elementType != AL_CHAR_ELEM) {
		/* range param */
		item = param2python(res, param, pinfo.min, &pinfo);
		PyDict_SetItemString(v, "min", item);
		Py_DECREF(item);

		item = param2python(res, param, pinfo.max, &pinfo);
		PyDict_SetItemString(v, "max", item);
		Py_DECREF(item);

		item = param2python(res, param, pinfo.minDelta, &pinfo);
		PyDict_SetItemString(v, "minDelta", item);
		Py_DECREF(item);

		item = param2python(res, param, pinfo.maxDelta, &pinfo);
		PyDict_SetItemString(v, "maxDelta", item);
		Py_DECREF(item);

		item = PyInt_FromLong((long) pinfo.specialVals);
		PyDict_SetItemString(v, "specialVals", item);
		Py_DECREF(item);
	}

	return v;
}

PyDoc_STRVAR(al_GetResourceByName__doc__,
"alGetResourceByName: find an audio resource by name.");

static PyObject *
al_GetResourceByName(PyObject *self, PyObject *args)
{
	int res, start_res, type;
	char *name;

	if (!PyArg_ParseTuple(args, "isi:GetResourceByName", &start_res, &name, &type))
		return NULL;
	if ((res = alGetResourceByName(start_res, name, type)) == 0)
		return NULL;
	return PyInt_FromLong((long) res);
}

PyDoc_STRVAR(al_IsSubtype__doc__,
"alIsSubtype: indicate if one resource type is a subtype of another.");

static PyObject *
al_IsSubtype(PyObject *self, PyObject *args)
{
	int type, subtype;

	if (!PyArg_ParseTuple(args, "ii:IsSubtype", &type, &subtype))
		return NULL;
	return PyInt_FromLong((long) alIsSubtype(type, subtype));
}

PyDoc_STRVAR(al_SetErrorHandler__doc__, "");

static PyObject *
al_SetErrorHandler(PyObject *self, PyObject *args)
{

	if (!PyArg_ParseTuple(args, ":SetErrorHandler"))
		return NULL;
	Py_INCREF(Py_None);
	return Py_None;
}

#endif /* AL_NO_ELEM */

#ifdef OLD_INTERFACE

static PyObject *
al_openport(PyObject *self, PyObject *args)
{
	char *name, *dir;
	ALport port;
	alcobject *config = NULL;

	if (!PyArg_ParseTuple(args, "ss|O!:OpenPort", &name, &dir, &Alctype, &config))
		return NULL;
	if ((port = ALopenport(name, dir, config ? config->config : NULL)) == NULL)
		return NULL;
	return newalpobject(port);
}

static PyObject *
al_newconfig(PyObject *self, PyObject *args)
{
	ALconfig config;

	if (!PyArg_ParseTuple(args, ":NewConfig"))
		return NULL;
	if ((config = ALnewconfig ()) == NULL)
		return NULL;
	return newalcobject(config);
}

static PyObject *
al_queryparams(PyObject *self, PyObject *args)
{
	long device;
	long length;
	long *PVbuffer;
	long PVdummy[2];
	PyObject *v = NULL;
	int i;

	if (!PyArg_ParseTuple(args, "l:queryparams", &device))
		return NULL;
	if ((length = ALqueryparams(device, PVdummy, 2L)) == -1)
		return NULL;
	if ((PVbuffer = PyMem_NEW(long, length)) == NULL)
		return PyErr_NoMemory();
	if (ALqueryparams(device, PVbuffer, length) >= 0 &&
	    (v = PyList_New((int)length)) != NULL) {
		for (i = 0; i < length; i++)
			PyList_SetItem(v, i, PyInt_FromLong(PVbuffer[i]));
	}
	PyMem_DEL(PVbuffer);
	return v;
}

static PyObject *
doParams(PyObject *args, int (*func)(long, long *, long), int modified)
{
	long device;
	PyObject *list, *v;
	long *PVbuffer;
	long length;
	int i;
	
	if (!PyArg_ParseTuple(args, "lO!", &device, &PyList_Type, &list))
		return NULL;
	length = PyList_Size(list);
	PVbuffer = PyMem_NEW(long, length);
	if (PVbuffer == NULL)
		return PyErr_NoMemory();
	for (i = 0; i < length; i++) {
		v = PyList_GetItem(list, i);
		if (!PyInt_Check(v)) {
			PyMem_DEL(PVbuffer);
			PyErr_BadArgument();
			return NULL;
		}
		PVbuffer[i] = PyInt_AsLong(v);
	}

	if ((*func)(device, PVbuffer, length) == -1) {
		PyMem_DEL(PVbuffer);
		return NULL;
	}

	if (modified) {
		for (i = 0; i < length; i++)
			PyList_SetItem(list, i, PyInt_FromLong(PVbuffer[i]));
	}

	PyMem_DEL(PVbuffer);

	Py_INCREF(Py_None);
	return Py_None;
}

static PyObject *
al_getparams(PyObject *self, PyObject *args)
{
	return doParams(args, ALgetparams, 1);
}

static PyObject *
al_setparams(PyObject *self, PyObject *args)
{
	return doParams(args, ALsetparams, 0);
}

static PyObject *
al_getname(PyObject *self, PyObject *args)
{
	long device, descriptor;
	char *name;

	if (!PyArg_ParseTuple(args, "ll:getname", &device, &descriptor))
		return NULL;
	if ((name = ALgetname(device, descriptor)) == NULL)
		return NULL;
	return PyString_FromString(name);
}

static PyObject *
al_getdefault(PyObject *self, PyObject *args)
{
	long device, descriptor, value;

	if (!PyArg_ParseTuple(args, "ll:getdefault", &device, &descriptor))
		return NULL;
	if ((value = ALgetdefault(device, descriptor)) == -1)
		return NULL;
	return PyLong_FromLong(value);
}

static PyObject *
al_getminmax(PyObject *self, PyObject *args)
{
	long device, descriptor, min, max;

	if (!PyArg_ParseTuple(args, "ll:getminmax", &device, &descriptor))
		return NULL;
	min = -1;
	max = -1;
	if (ALgetminmax(device, descriptor, &min, &max) == -1)
		return NULL;
	return Py_BuildValue("ll", min, max);
}

#endif /* OLD_INTERFACE */

/* List of methods defined in the module */

static struct PyMethodDef al_methods[] = {
#ifdef AL_NO_ELEM		/* IRIX 6 */
	{"NewConfig",	(PyCFunction)al_NewConfig,	METH_VARARGS,	al_NewConfig__doc__},
	{"OpenPort",	(PyCFunction)al_OpenPort,	METH_VARARGS,	al_OpenPort__doc__},
	{"Connect",	(PyCFunction)al_Connect,	METH_VARARGS,	al_Connect__doc__},
	{"Disconnect",	(PyCFunction)al_Disconnect,	METH_VARARGS,	al_Disconnect__doc__},
	{"GetParams",	(PyCFunction)al_GetParams,	METH_VARARGS,	al_GetParams__doc__},
	{"SetParams",	(PyCFunction)al_SetParams,	METH_VARARGS,	al_SetParams__doc__},
	{"QueryValues",	(PyCFunction)al_QueryValues,	METH_VARARGS,	al_QueryValues__doc__},
	{"GetParamInfo",	(PyCFunction)al_GetParamInfo,	METH_VARARGS,	al_GetParamInfo__doc__},
	{"GetResourceByName",	(PyCFunction)al_GetResourceByName,	METH_VARARGS,	al_GetResourceByName__doc__},
	{"IsSubtype",	(PyCFunction)al_IsSubtype,	METH_VARARGS,	al_IsSubtype__doc__},
#if 0
	/* this one not supported */
	{"SetErrorHandler",	(PyCFunction)al_SetErrorHandler,	METH_VARARGS,	al_SetErrorHandler__doc__},
#endif
#endif /* AL_NO_ELEM */
#ifdef OLD_INTERFACE
	{"openport",		(PyCFunction)al_openport,	METH_VARARGS},
	{"newconfig",		(PyCFunction)al_newconfig,	METH_VARARGS},
	{"queryparams",		(PyCFunction)al_queryparams,	METH_VARARGS},
	{"getparams",		(PyCFunction)al_getparams,	METH_VARARGS},
	{"setparams",		(PyCFunction)al_setparams,	METH_VARARGS},
	{"getname",		(PyCFunction)al_getname,	METH_VARARGS},
	{"getdefault",		(PyCFunction)al_getdefault,	METH_VARARGS},
	{"getminmax",		(PyCFunction)al_getminmax,	METH_VARARGS},
#endif /* OLD_INTERFACE */

	{NULL,	 (PyCFunction)NULL, 0, NULL}		/* sentinel */
};


/* Initialization function for the module (*must* be called inital) */

PyDoc_STRVAR(al_module_documentation, "");

void
inital(void)
{
	PyObject *m, *d, *x;

	if (PyErr_WarnPy3k("the al module has been removed in "
	                   "Python 3.0", 2) < 0)
	    return;	

	/* Create the module and add the functions */
	m = Py_InitModule4("al", al_methods,
		al_module_documentation,
		(PyObject*)NULL,PYTHON_API_VERSION);
	if (m == NULL)
		return;

	/* Add some symbolic constants to the module */
	d = PyModule_GetDict(m);
	ErrorObject = PyErr_NewException("al.error", NULL, NULL);
	PyDict_SetItemString(d, "error", ErrorObject);

	/* XXXX Add constants here */
#ifdef AL_4CHANNEL
	x =  PyInt_FromLong((long) AL_4CHANNEL);
	if (x == NULL || PyDict_SetItemString(d, "FOURCHANNEL", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_ADAT_IF_TYPE
	x =  PyInt_FromLong((long) AL_ADAT_IF_TYPE);
	if (x == NULL || PyDict_SetItemString(d, "ADAT_IF_TYPE", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_ADAT_MCLK_TYPE
	x =  PyInt_FromLong((long) AL_ADAT_MCLK_TYPE);
	if (x == NULL || PyDict_SetItemString(d, "ADAT_MCLK_TYPE", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_AES_IF_TYPE
	x =  PyInt_FromLong((long) AL_AES_IF_TYPE);
	if (x == NULL || PyDict_SetItemString(d, "AES_IF_TYPE", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_AES_MCLK_TYPE
	x =  PyInt_FromLong((long) AL_AES_MCLK_TYPE);
	if (x == NULL || PyDict_SetItemString(d, "AES_MCLK_TYPE", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_ANALOG_IF_TYPE
	x =  PyInt_FromLong((long) AL_ANALOG_IF_TYPE);
	if (x == NULL || PyDict_SetItemString(d, "ANALOG_IF_TYPE", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_ASSOCIATE
	x =  PyInt_FromLong((long) AL_ASSOCIATE);
	if (x == NULL || PyDict_SetItemString(d, "ASSOCIATE", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_BAD_BUFFER_NULL
	x =  PyInt_FromLong((long) AL_BAD_BUFFER_NULL);
	if (x == NULL || PyDict_SetItemString(d, "BAD_BUFFER_NULL", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_BAD_BUFFERLENGTH
	x =  PyInt_FromLong((long) AL_BAD_BUFFERLENGTH);
	if (x == NULL || PyDict_SetItemString(d, "BAD_BUFFERLENGTH", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_BAD_BUFFERLENGTH_NEG
	x =  PyInt_FromLong((long) AL_BAD_BUFFERLENGTH_NEG);
	if (x == NULL || PyDict_SetItemString(d, "BAD_BUFFERLENGTH_NEG", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_BAD_BUFFERLENGTH_ODD
	x =  PyInt_FromLong((long) AL_BAD_BUFFERLENGTH_ODD);
	if (x == NULL || PyDict_SetItemString(d, "BAD_BUFFERLENGTH_ODD", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_BAD_CHANNELS
	x =  PyInt_FromLong((long) AL_BAD_CHANNELS);
	if (x == NULL || PyDict_SetItemString(d, "BAD_CHANNELS", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_BAD_CONFIG
	x =  PyInt_FromLong((long) AL_BAD_CONFIG);
	if (x == NULL || PyDict_SetItemString(d, "BAD_CONFIG", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_BAD_COUNT_NEG
	x =  PyInt_FromLong((long) AL_BAD_COUNT_NEG);
	if (x == NULL || PyDict_SetItemString(d, "BAD_COUNT_NEG", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_BAD_DEVICE
	x =  PyInt_FromLong((long) AL_BAD_DEVICE);
	if (x == NULL || PyDict_SetItemString(d, "BAD_DEVICE", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_BAD_DEVICE_ACCESS
	x =  PyInt_FromLong((long) AL_BAD_DEVICE_ACCESS);
	if (x == NULL || PyDict_SetItemString(d, "BAD_DEVICE_ACCESS", x) < 0)
		goto error;
	Py_DECREF(x);
#endif
#ifdef AL_…