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
|
/*
spectra.h:
Copyright (C) 1995 Barry Vercoe
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
/* SPECTRA.H */
#ifndef __SPECTRA_H
#define __SPECTRA_H
#define MAXFRQS 120
typedef struct {
OPDS h;
SPECDAT *wsig;
MYFLT *signal,*iprd,*iocts,*ifrqs,*iq,*ihann;
MYFLT *idbout,*idisprd,*idsines;
int32_t nfreqs, hanning, ncoefs, dbout, nsmps, scountdown;
uint32_t timcount;
MYFLT curq, *sinp, *cosp, *linbufp;
int32_t disprd, dcountdown, winlen[MAXFRQS], offset[MAXFRQS];
DOWNDAT downsig;
WINDAT sinwindow, octwindow;
AUXCH auxch1, auxch2;
} SPECTRUM;
#if 0
typedef struct {
OPDS h;
SPECDAT *wsig;
DOWNDAT *dsig;
MYFLT *iprd, *ifrqs, *iq, *ihann, *idbout, *idsines;
int32_t nfreqs, hanning, ncoefs, dbout;
MYFLT curq, *sinp, *cosp, *linbufp;
int32_t countdown, timcount, winlen[MAXFRQS];
WINDAT dwindow;
AUXCH auxch;
} NOCTDFT;
#endif
typedef struct {
OPDS h;
SPECDAT *wsig;
MYFLT *iprd, *iwtflg;
int32_t countdown, timcount;
WINDAT dwindow;
} SPECDISP;
#define MAXPTL 10
typedef struct {
OPDS h;
MYFLT *koct, *kamp;
SPECDAT *wsig;
MYFLT *kvar, *ilo, *ihi, *istrt, *idbthresh, *inptls, *irolloff;
MYFLT *iodd, *iconf, *interp, *ifprd, *iwtflg;
int32_t pdist[MAXPTL], nptls, rolloff, kinterp, ftimcnt;
MYFLT pmult[MAXPTL], confact, kvalsav, kval, kavl, kinc, kanc;
MYFLT *flop, *fhip, *fundp, *oct0p, threshon, threshoff;
int32_t winpts, jmpcount, playing;
SPECDAT wfund;
SPECDISP fdisplay;
} SPECPTRK;
typedef struct {
OPDS h;
MYFLT *ksum;
SPECDAT *wsig;
MYFLT *interp;
int32_t kinterp;
MYFLT kval, kinc;
} SPECSUM;
typedef struct {
OPDS h;
SPECDAT *waddm;
SPECDAT *wsig1, *wsig2;
MYFLT *imul2;
MYFLT mul2;
} SPECADDM;
typedef struct {
OPDS h;
SPECDAT *wdiff;
SPECDAT *wsig;
SPECDAT specsave;
} SPECDIFF;
typedef struct {
OPDS h;
SPECDAT *wscaled;
SPECDAT *wsig;
MYFLT *ifscale, *ifthresh;
int32_t thresh;
MYFLT *fscale, *fthresh;
AUXCH auxch;
} SPECSCAL;
typedef struct {
OPDS h;
SPECDAT *wacout;
SPECDAT *wsig;
SPECDAT accumer;
} SPECHIST;
typedef struct {
OPDS h;
SPECDAT *wfil;
SPECDAT *wsig;
MYFLT *ifhtim;
MYFLT *coefs, *states;
AUXCH auxch;
} SPECFILT;
extern void DOWNset(CSOUND *, DOWNDAT *, int32);
extern void SPECset(CSOUND *, SPECDAT *, int32);
#endif
|
