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
|
/*
flext - C++ layer for Max/MSP and pd (pure data) externals
Copyright (c) 2001-2005 Thomas Grill (gr@grrrr.org)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
/*! \file fldsp.h
\brief Declares the flext dsp class
*/
#ifndef __FLDSP_H
#define __FLDSP_H
// include the header file declaring the base classes
#include "flext.h"
// === flext_dsp ==================================================
class FLEXT_SHARE FLEXT_CLASSDEF(flext_dsp);
typedef class FLEXT_SHARE FLEXT_CLASSDEF(flext_dsp) flext_dsp;
/*! \brief Flext dsp enabled base object
*/
class FLEXT_SHARE FLEXT_CLASSDEF(flext_dsp):
public flext_base
{
FLEXT_HEADER_S(FLEXT_CLASSDEF(flext_dsp),flext_base,Setup)
public:
/*! \defgroup FLEXT_DSP Flext dsp class
@{
*/
/*! \defgroup FLEXT_C_DSP Basic dsp functionality
@{
*/
//! returns current sample rate
float Samplerate() const { return srate; }
//! returns current block (aka vector) size
int Blocksize() const { return blksz; }
//! typedef describing a signal vector
#if FLEXT_SYS == FLEXT_SYS_JMAX
typedef fts_symbol_t t_signalvec;
#else
typedef t_sample *t_signalvec;
#endif
//! @}
// --- inheritable virtual methods --------------------------------
/*! \defgroup FLEXT_C_DSP_VIRTUAL Flext virtual dsp functions
@{
*/
/*! \brief Called on every dsp init.
\note Don't expect any valid data in the signal vectors!
\param n: frames (aka samples) in one signal vector
\param insigs: array of input vectors (get number with function CntInSig())
\param outsigs: array of output vectors (get number with function CntOutSig())
*/
virtual void m_dsp(int n,t_signalvec const *insigs,t_signalvec const *outsigs);
/*! \brief Called with every signal vector - here you do the dsp calculation
\param n: frames (aka samples) in one signal vector
\param insigs: array of input vectors (get number with function CntInSig())
\param outsigs: array of output vectors (get number with function CntOutSig())
*/
virtual void m_signal(int n,t_sample *const *insigs,t_sample *const *outsigs);
//! @}
/*! \defgroup FLEXT_C_DSP_INOUT Flext dsp in-/outlet functions
\note These must be called in the class' constructor
@{
*/
// --- inlet/outlet stuff -----------------------------------------
/*! \brief Add signal inlet(s)
\param m Number of inlets to add
*/
void AddInSignal(int m = 1) { AddInlet(xlet::tp_sig,m); }
/*! \brief Add signal inlet (with description)
\param desc Description of inlet
*/
void AddInSignal(const char *desc) { AddInlet(xlet::tp_sig,1,desc); }
/*! \brief Add signal outlet(s)
\param m Number of inlets to add
*/
void AddOutSignal(int m = 1) { AddOutlet(xlet::tp_sig,m); }
/*! \brief Add signal outlet (with description)
\param desc Description of outlet
*/
void AddOutSignal(const char *desc) { AddOutlet(xlet::tp_sig,1,desc); }
//! @}
//! @}
protected:
FLEXT_CLASSDEF(flext_dsp)();
virtual ~FLEXT_CLASSDEF(flext_dsp)();
private:
// not static, could be different in different patchers..
float srate;
int blksz;
int chnsin,chnsout;
// setup function
static void Setup(t_classid c);
// callback functions
#if FLEXT_SYS == FLEXT_SYS_JMAX
static void cb_dsp(fts_object_t *o, int winlet, fts_symbol_t s, int ac, const fts_atom_t *at);
// static void cb_dsp_init(fts_object_t *o, int winlet, fts_symbol_t *s, int ac, const fts_atom_t *at);
// static void cb_dsp_delete(fts_object_t *o, int winlet, fts_symbol_t *s, int ac, const fts_atom_t *at);
#elif FLEXT_SYS == FLEXT_SYS_MAX
static void cb_dsp(t_class *c,t_signal **s,short *count);
#else
static void cb_dsp(t_class *c,t_signal **s);
#endif
#if FLEXT_SYS != FLEXT_SYS_MAX
#if FLEXT_SYS == FLEXT_SYS_JMAX
static void cb_enable(fts_object_t *o, int winlet, fts_symbol_t s, int ac, const fts_atom_t *at);
#else
static void cb_enable(t_class *c,t_float on);
#endif
bool dspon;
#endif
// dsp stuff
#if FLEXT_SYS == FLEXT_SYS_JMAX
static void dspmeth(fts_word_t *);
static const t_symbol *dspsym;
#else
static t_int *dspmeth(t_int *w);
#endif
t_signalvec *invecs,*outvecs;
};
#endif
|
