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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/*
flext - C++ layer for Max/MSP and pd (pure data) externals
Copyright (c) 2001,2002 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.
*/
/*! \file flout.cpp
\brief Implementation of the flext outlet functionality.
*/
#include "flext.h"
#include "flinternal.h"
#ifdef MAXMSP
#define CRITON() short state = lockout_set(1)
#define CRITOFF() lockout_set(state)
#else
#define CRITON()
#define CRITOFF()
#endif
#ifndef FLEXT_THREADS
void flext_base::ToOutBang(outlet *o) const { CRITON(); outlet_bang((t_outlet *)o); CRITOFF(); }
void flext_base::ToOutFloat(outlet *o,float f) const { CRITON(); outlet_float((t_outlet *)o,f); CRITOFF(); }
void flext_base::ToOutInt(outlet *o,int f) const { CRITON(); outlet_flint((t_outlet *)o,f); CRITOFF(); }
void flext_base::ToOutSymbol(outlet *o,const t_symbol *s) const { CRITON(); outlet_symbol((t_outlet *)o,const_cast<t_symbol *>(s)); CRITOFF(); }
void flext_base::ToOutList(outlet *o,int argc,const t_atom *argv) const { CRITON(); outlet_list((t_outlet *)o,gensym("list"),argc,(t_atom *)argv); CRITOFF(); }
void flext_base::ToOutAnything(outlet *o,const t_symbol *s,int argc,const t_atom *argv) const { CRITON(); outlet_anything((t_outlet *)o,const_cast<t_symbol *>(s),argc,(t_atom *)argv); CRITOFF(); }
#else
void flext_base::ToOutBang(outlet *o) const { if(IsSystemThread()) { CRITON(); outlet_bang((t_outlet *)o); CRITOFF(); } else ToQueueBang(o); }
void flext_base::ToOutFloat(outlet *o,float f) const { if(IsSystemThread()) { CRITON(); outlet_float((t_outlet *)o,f); CRITOFF(); } else ToQueueFloat(o,f); }
void flext_base::ToOutInt(outlet *o,int f) const { if(IsSystemThread()) { CRITON(); outlet_flint((t_outlet *)o,f); CRITOFF(); } else ToQueueInt(o,f); }
void flext_base::ToOutSymbol(outlet *o,const t_symbol *s) const { if(IsSystemThread()) { CRITON(); outlet_symbol((t_outlet *)o,const_cast<t_symbol *>(s)); CRITOFF(); } else ToQueueSymbol(o,s); }
void flext_base::ToOutList(outlet *o,int argc,const t_atom *argv) const { if(IsSystemThread()) { CRITON(); outlet_list((t_outlet *)o,gensym("list"),argc,(t_atom *)argv); CRITOFF(); } else ToQueueList(o,argc,(t_atom *)argv); }
void flext_base::ToOutAnything(outlet *o,const t_symbol *s,int argc,const t_atom *argv) const { if(IsSystemThread()) { CRITON(); outlet_anything((t_outlet *)o,const_cast<t_symbol *>(s),argc,(t_atom *)argv); CRITOFF(); } else ToQueueAnything(o,s,argc,(t_atom *)argv); }
#endif
class flext_base::qmsg
{
public:
qmsg(): nxt(NULL),tp(tp_none) {}
~qmsg();
qmsg *nxt;
void Clear();
void SetBang(outlet *o) { Clear(); out = o; tp = tp_bang; }
void SetFloat(outlet *o,float f) { Clear(); out = o; tp = tp_float; _float = f; }
void SetInt(outlet *o,int i) { Clear(); out = o; tp = tp_int; _int = i; }
void SetSymbol(outlet *o,const t_symbol *s) { Clear(); out = o; tp = tp_sym; _sym = s; }
void SetList(outlet *o,int argc,const t_atom *argv) { Clear(); out = o; tp = tp_list; _list.argc = argc,_list.argv = CopyList(argc,argv); }
void SetAny(outlet *o,const t_symbol *s,int argc,const t_atom *argv) { Clear(); out = o; tp = tp_any; _any.s = s,_any.argc = argc,_any.argv = CopyList(argc,argv); }
outlet *out;
enum { tp_none,tp_bang,tp_float,tp_int,tp_sym,tp_list,tp_any } tp;
union {
float _float;
int _int;
const t_symbol *_sym;
struct { int argc; t_atom *argv; } _list;
struct { const t_symbol *s; int argc; t_atom *argv; } _any;
};
// void Add(qmsg *o);
};
flext_base::qmsg::~qmsg()
{
Clear();
if(nxt) delete nxt;
}
void flext_base::qmsg::Clear()
{
if(tp == tp_list) { if(_list.argv) delete[] _list.argv; }
else if(tp == tp_any) { if(_any.argv) delete[] _any.argv; }
tp = tp_none;
}
/*
void flext_base::qmsg::Add(qmsg *o)
{
if(nxt) nxt->Add(o);
else nxt = o;
}
*/
#ifdef MAXMSP
void flext_base::YTick(flext_base *th)
{
clock_delay(th->yclk,0);
qelem_set(th->qclk);
#ifdef FLEXT_THREADS
sched_yield();
#endif
}
#endif
void flext_base::QTick(flext_base *th)
{
#ifdef DEBUG
if(!th->IsSystemThread()) {
error("flext - Queue tick called by wrong thread!");
return;
}
#endif
#ifdef FLEXT_THREADS
th->qmutex.Lock();
#endif
while(th->qhead) {
qmsg *m = th->qhead;
#ifdef MAXMSP
short state = lockout_set(1);
#endif
switch(m->tp) {
case qmsg::tp_bang: th->ToOutBang(m->out); break;
case qmsg::tp_float: th->ToOutFloat(m->out,m->_float); break;
case qmsg::tp_int: th->ToOutInt(m->out,m->_int); break;
case qmsg::tp_sym: th->ToOutSymbol(m->out,m->_sym); break;
case qmsg::tp_list: th->ToOutList(m->out,m->_list.argc,m->_list.argv); break;
case qmsg::tp_any: th->ToOutAnything(m->out,m->_any.s,m->_any.argc,m->_any.argv); break;
#ifdef DEBUG
default: ERRINTERNAL();
#endif
}
#ifdef MAXMSP
lockout_set(state);
#endif
th->qhead = m->nxt;
if(!th->qhead) th->qtail = NULL;
m->nxt = NULL;
delete m;
}
#ifdef FLEXT_THREADS
th->qmutex.Unlock();
#endif
}
void flext_base::Queue(qmsg *m)
{
#ifdef FLEXT_THREADS
qmutex.Lock();
#endif
if(qtail) qtail->nxt = m;
else qhead = m;
qtail = m;
#ifdef FLEXT_THREADS
qmutex.Unlock();
#endif
#ifdef PD
clock_delay(qclk,0);
#elif defined(MAXMSP)
clock_delay(yclk,0);
#else
#error "To implement!"
#endif
}
void flext_base::ToQueueBang(outlet *o) const
{
qmsg *m = new qmsg();
m->SetBang(o);
const_cast<flext_base &>(*this).Queue(m);
}
void flext_base::ToQueueFloat(outlet *o,float f) const
{
qmsg *m = new qmsg;
m->SetFloat(o,f);
const_cast<flext_base &>(*this).Queue(m);
}
void flext_base::ToQueueInt(outlet *o,int f) const
{
qmsg *m = new qmsg;
m->SetInt(o,f);
const_cast<flext_base &>(*this).Queue(m);
}
void flext_base::ToQueueSymbol(outlet *o,const t_symbol *s) const
{
qmsg *m = new qmsg;
m->SetSymbol(o,s);
const_cast<flext_base &>(*this).Queue(m);
}
void flext_base::ToQueueList(outlet *o,int argc,const t_atom *argv) const
{
qmsg *m = new qmsg;
m->SetList(o,argc,argv);
const_cast<flext_base &>(*this).Queue(m);
}
void flext_base::ToQueueAnything(outlet *o,const t_symbol *s,int argc,const t_atom *argv) const
{
qmsg *m = new qmsg;
m->SetAny(o,s,argc,argv);
const_cast<flext_base &>(*this).Queue(m);
}
|
