aboutsummaryrefslogtreecommitdiff
path: root/externals/grill/py/source/modmeth.cpp
blob: b376a4fbd12e698a89a8d4ed0994b028533b7d33 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
/* 

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(V *)
{
	Lock();

	if(!thrcount) {
		// all threads have stopped
		shouldexit = false;
		stoptick = 0;
	}
	else {
		// still active threads 
		if(!--stoptick) {
			post("%s - Threads couldn't be stopped entirely - %i remaining",thisName(),thrcount);
			shouldexit = false;
		}
		else
			// continue waiting
            stoptmr.Delay(PY_STOP_TICK/1000.);
	}

	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;
        stoptmr.Delay(PY_STOP_TICK/1000.);

		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