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/*
py/pyext - python external object for PD and MaxMSP
Copyright (c) 2002-2003 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#include "main.h"
// function table for module
PyMethodDef py::func_tbl[] =
{
{ "_send", py::py_send, METH_VARARGS,"Send message to a named object" },
#ifdef FLEXT_THREADS
{ "_priority", py::py_priority, METH_VARARGS,"Set priority of current thread" },
#endif
{ "_samplerate", py::py_samplerate, 0,"Get system sample rate" },
{ "_blocksize", py::py_blocksize, 0,"Get system block size" },
{ "_inchannels", py::py_inchannels, 0,"Get number of audio in channels" },
{ "_outchannels", py::py_outchannels, 0,"Get number of audio out channels" },
{NULL, NULL, 0, NULL} // sentinel
};
const C *py::py_doc =
"py/pyext - python external object for PD and MaxMSP, (C)2002 Thomas Grill\n"
"\n"
"This is the pyext module. Available function:\n"
"_send(args...): Send a message to a send symbol\n"
#ifdef FLEXT_THREADS
"_priority(int): Raise/lower thread priority\n"
#endif
"_samplerate(): Get system sample rate\n"
"_blocksize(): Get current blocksize\n"
"_inchannels(): Get number of audio in channels\n"
"_outchannels(): Get number of audio out channels\n"
;
V py::tick(py *th)
{
th->Lock();
if(!th->thrcount) {
// all threads have stopped
th->shouldexit = false;
th->stoptick = 0;
}
else {
// still active threads
if(!--th->stoptick) {
post("%s - Threads couldn't be stopped entirely - %i remaining",th->thisName(),th->thrcount);
th->shouldexit = false;
}
else
// continue waiting
clock_delay(th->clk,PY_STOP_TICK);
}
th->Unlock();
}
V py::m_stop(int argc,const t_atom *argv)
{
if(thrcount) {
Lock();
I wait = PY_STOP_WAIT;
if(argc >= 1 && CanbeInt(argv[0])) wait = GetAInt(argv[0]);
I ticks = wait/PY_STOP_TICK;
if(stoptick) {
// already stopping
if(ticks < stoptick) stoptick = ticks;
}
else
stoptick = ticks;
shouldexit = true;
clock_delay(clk,PY_STOP_TICK);
Unlock();
}
}
PyObject *py::py_samplerate(PyObject *self,PyObject *args)
{
return PyFloat_FromDouble(sys_getsr());
}
PyObject *py::py_blocksize(PyObject *self,PyObject *args)
{
return PyLong_FromLong(sys_getblksize());
}
PyObject *py::py_inchannels(PyObject *self,PyObject *args)
{
#if FLEXT_SYS == FLEXT_SYS_PD
I ch = sys_get_inchannels();
#elif FLEXT_SYS == FLEXT_SYS_MAX
I ch = sys_getch(); // not functioning
#else
#pragma message("Not implemented!")
ch = 0;
#endif
return PyLong_FromLong(ch);
}
PyObject *py::py_outchannels(PyObject *self,PyObject *args)
{
#if FLEXT_SYS == FLEXT_SYS_PD
I ch = sys_get_outchannels();
#elif FLEXT_SYS == FLEXT_SYS_MAX
I ch = sys_getch(); // not functioning
#else
#pragma message("Not implemented!")
ch = 0;
#endif
return PyLong_FromLong(ch);
}
PyObject *py::py_send(PyObject *,PyObject *args)
{
if(PySequence_Check(args)) {
PyObject *name = PySequence_GetItem(args,0); // borrowed
if(name && PyString_Check(name)) {
const t_symbol *recv = MakeSymbol(PyString_AsString(name));
I sz = PySequence_Size(args);
PyObject *val;
BL tp = sz == 2 && PySequence_Check(PySequence_GetItem(args,1));
if(tp)
val = PySequence_GetItem(args,1); // borrowed
else
val = PySequence_GetSlice(args,1,sz); // new ref
AtomList *lst = GetPyArgs(val);
if(lst) {
if(!Forward(recv,*lst))
#ifdef FLEXT_DEBUG
post("py/pyext - Receiver doesn't exist");
#else
{}
#endif
}
else
post("py/pyext - No data to send");
if(lst) delete lst;
if(!tp) Py_DECREF(val);
}
else
post("py/pyext - Send name is invalid");
}
Py_INCREF(Py_None);
return Py_None;
}
#ifdef FLEXT_THREADS
PyObject *py::py_priority(PyObject *self,PyObject *args)
{
int val;
if(!PyArg_ParseTuple(args, "i:py_priority", &val)) {
post("py/pyext - Syntax: _priority [int]");
}
else
RelPriority(val);
Py_INCREF(Py_None);
return Py_None;
}
#endif
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