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
|
/*
flext - C++ layer for Max/MSP and pd (pure data) externals
Copyright (c) 2001-2003 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 "flext.h"
#include "flstk.h"
flext_stk::flext_stk():
inobjs(0),outobjs(0),
inobj(NULL),outobj(NULL),
smprt(0),blsz(0)
{}
bool flext_stk::Init()
{
bool ret = flext_dsp::Init();
inobjs = CntInSig();
outobjs = CntOutSig();
return ret;
}
void flext_stk::Exit()
{
ClearObjs();
flext_dsp::Exit();
}
void flext_stk::ClearObjs()
{
FreeObjs();
if(inobj) {
for(int i = 0; i < inobjs; ++i) delete inobj[i];
delete[] inobj; inobj = NULL;
}
if(outobj) {
for(int i = 0; i < outobjs; ++i) delete outobj[i];
delete[] outobj; outobj = NULL;
}
}
void flext_stk::m_dsp(int n,t_sample *const *in,t_sample *const *out)
{
// called on every rebuild of the dsp chain
int i;
if(Blocksize() != blsz || Samplerate() != smprt) {
// block size or sample rate has changed... rebuild all objects
ClearObjs();
smprt = Samplerate();
blsz = Blocksize();
Stk::setSampleRate(smprt);
// set up sndobjs for inlets and outlets
if(inobjs) {
inobj = new Input *[inobjs];
for(i = 0; i < inobjs; ++i)
inobj[i] = new Input(in[i],blsz);
}
if(outobjs) {
outobj = new Output *[outobjs];
for(i = 0; i < outobjs; ++i)
outobj[i] = new Output(out[i],blsz);
}
if(!NewObjs()) ClearObjs();
}
else {
// assign changed input/output vectors
for(i = 0; i < inobjs; ++i) inobj[i]->SetBuf(in[i]);
for(i = 0; i < outobjs; ++i) outobj[i]->SetBuf(out[i]);
}
}
void flext_stk::m_signal(int n,t_sample *const *in,t_sample *const *out)
{
if(inobjs || outobjs) ProcessObjs(blsz);
}
// inlet class
flext_stk::Input::Input(const t_sample *b,int v):
buf(b),vecsz(v),
index(0)
{}
MY_FLOAT flext_stk::Input::tick()
{
if(++index >= vecsz) index = 0;
return lastOut();
}
MY_FLOAT *flext_stk::Input::tick(MY_FLOAT *vector,unsigned int vectorSize)
{
for(unsigned int i = 0; i < vectorSize; i++) vector[i] = tick();
return vector;
}
// outlet class
flext_stk::Output::Output(t_sample *b,int v):
buf(b),vecsz(v),
index(0)
{}
void flext_stk::Output::tick(MY_FLOAT s)
{
buf[index] = (t_sample)s;
if(++index >= vecsz) index = 0;
}
void flext_stk::Output::tick(const MY_FLOAT *vector,unsigned int vectorSize)
{
for(unsigned int i = 0; i < vectorSize; i++) tick(vector[i]);
}
|
