source: src/aubio_priv.h @ 83963b3

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 83963b3 was 83963b3, checked in by Paul Brossier <piem@piem.org>, 11 years ago

strip down stable public API, defining add AUBIO_UNSTABLE to access unstable API

  • Property mode set to 100644
File size: 5.6 KB
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1/*
2  Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
3
4  This file is part of aubio.
5
6  aubio is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10
11  aubio is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15
16  You should have received a copy of the GNU General Public License
17  along with aubio.  If not, see <http://www.gnu.org/licenses/>.
18
19*/
20
21/** @file
22 * Private include file
23 *
24 * This file is for inclusion from _within_ the library only.
25 */
26
27#ifndef _AUBIO_PRIV_H
28#define _AUBIO_PRIV_H
29
30/*********************
31 *
32 * External includes
33 *
34 */
35
36#if 1 //HAVE_CONFIG_H
37#include "config.h"
38#endif
39
40#if HAVE_STDLIB_H
41#include <stdlib.h>
42#endif
43
44#if HAVE_STDIO_H
45#include <stdio.h>
46#endif
47
48/* must be included before fftw3.h */
49#if HAVE_COMPLEX_H
50#include <complex.h>
51#endif
52
53#if HAVE_FFTW3 || HAVE_FFTW3F
54#include <fftw3.h>
55#endif
56
57#if HAVE_MATH_H
58#include <math.h>
59#endif
60
61#if HAVE_STRING_H
62#include <string.h>
63#endif
64
65#if HAVE_LIMITS_H
66#include <limits.h> // for CHAR_BIT, in C99 standard
67#endif
68
69#include "types.h"
70
71#define AUBIO_UNSTABLE 1
72
73#include "mathutils.h"
74
75/****
76 *
77 * SYSTEM INTERFACE
78 *
79 */
80
81/* Memory management */
82#define AUBIO_MALLOC(_n)             malloc(_n)
83#define AUBIO_REALLOC(_p,_n)         realloc(_p,_n)
84#define AUBIO_NEW(_t)                (_t*)malloc(sizeof(_t))
85#define AUBIO_ARRAY(_t,_n)           (_t*)malloc((_n)*sizeof(_t))
86#define AUBIO_MEMCPY(_dst,_src,_n)   memcpy(_dst,_src,_n)
87#define AUBIO_MEMSET(_dst,_src,_t)   memset(_dst,_src,_t)
88#define AUBIO_FREE(_p)               free(_p)
89
90
91/* file interface */
92#define AUBIO_FOPEN(_f,_m)           fopen(_f,_m)
93#define AUBIO_FCLOSE(_f)             fclose(_f)
94#define AUBIO_FREAD(_p,_s,_n,_f)     fread(_p,_s,_n,_f)
95#define AUBIO_FSEEK(_f,_n,_set)      fseek(_f,_n,_set)
96
97/* strings */
98#define AUBIO_STRLEN(_s)             strlen(_s)
99#define AUBIO_STRCMP(_s,_t)          strcmp(_s,_t)
100#define AUBIO_STRNCMP(_s,_t,_n)      strncmp(_s,_t,_n)
101#define AUBIO_STRCPY(_dst,_src)      strcpy(_dst,_src)
102#define AUBIO_STRCHR(_s,_c)          strchr(_s,_c)
103#ifdef strdup
104#define AUBIO_STRDUP(s)              strdup(s)
105#else
106#define AUBIO_STRDUP(s)              AUBIO_STRCPY(AUBIO_MALLOC(AUBIO_STRLEN(s) + 1), s)
107#endif
108
109
110/* Error reporting */
111typedef enum {
112  AUBIO_OK = 0,
113  AUBIO_FAIL = 1
114} aubio_status;
115
116#ifdef HAVE_C99_VARARGS_MACROS
117#define AUBIO_ERR(...)               fprintf(stderr, "AUBIO ERROR: " __VA_ARGS__)
118#define AUBIO_MSG(...)               fprintf(stdout, __VA_ARGS__)
119#define AUBIO_DBG(...)               fprintf(stderr, __VA_ARGS__)
120#define AUBIO_WRN(...)               fprintf(stderr, "AUBIO WARNING: " __VA_ARGS__)
121#else
122#define AUBIO_ERR(format, args...)   fprintf(stderr, "AUBIO ERROR: " format , ##args)
123#define AUBIO_MSG(format, args...)   fprintf(stdout, format , ##args)
124#define AUBIO_DBG(format, args...)   fprintf(stderr, format , ##args)
125#define AUBIO_WRN(...)               fprintf(stderr, "AUBIO WARNING: " format, ##args)
126#endif
127
128#define AUBIO_ERROR   AUBIO_ERR
129
130#define AUBIO_QUIT(_s)               exit(_s)
131#define AUBIO_SPRINTF                sprintf
132
133/* Libc shortcuts */
134#define PI         (M_PI)
135#define TWO_PI     (PI*2.)
136
137/* aliases to math.h functions */
138#if !HAVE_AUBIO_DOUBLE
139#define EXP        expf
140#define COS        cosf
141#define SIN        sinf
142#define ABS        fabsf
143#define POW        powf
144#define SQRT       sqrtf
145#define LOG10      log10f
146#define LOG        logf
147#define FLOOR      floorf
148#define CEIL       ceilf
149#define ATAN2      atan2f
150#else
151#define EXP        exp
152#define COS        cos
153#define SIN        sin
154#define ABS        fabs
155#define POW        pow
156#define SQRT       sqrt
157#define LOG10      log10
158#define LOG        log
159#define FLOOR      floor
160#define CEIL       ceil
161#define ATAN2      atan2
162#endif
163#define ROUND(x)   FLOOR(x+.5)
164
165/* aliases to complex.h functions */
166#if HAVE_AUBIO_DOUBLE || !defined(HAVE_COMPLEX_H) || defined(WIN32)
167/* mingw32 does not know about c*f functions */
168#define EXPC      cexp
169/** complex = CEXPC(complex) */
170#define CEXPC     cexp
171/** sample = ARGC(complex) */
172#define ARGC      carg
173/** sample = ABSC(complex) norm */
174#define ABSC      cabs
175/** sample = REAL(complex) */
176#define REAL      creal
177/** sample = IMAG(complex) */
178#define IMAG      cimag
179#else
180/** sample = EXPC(complex) */
181#define EXPC      cexpf
182/** complex = CEXPC(complex) */
183#define CEXPC     cexp
184/** sample = ARGC(complex) */
185#define ARGC      cargf
186/** sample = ABSC(complex) norm */
187#define ABSC      cabsf
188/** sample = REAL(complex) */
189#define REAL      crealf
190/** sample = IMAG(complex) */
191#define IMAG      cimagf
192#endif
193
194/* handy shortcuts */
195#define DB2LIN(g) (POW(10.0,(g)*0.05f))
196#define LIN2DB(v) (20.0*LOG10(v))
197#define SQR(_a)   (_a*_a)
198
199#define MAX(a,b)  ( a > b ? a : b)
200#define MIN(a,b)  ( a < b ? a : b)
201
202#define ELEM_SWAP(a,b) { register smpl_t t=(a);(a)=(b);(b)=t; }
203
204#define VERY_SMALL_NUMBER 2.e-42 //1.e-37
205
206/** if ABS(f) < VERY_SMALL_NUMBER, returns 1, else 0 */
207#define IS_DENORMAL(f) ABS(f) < VERY_SMALL_NUMBER
208
209/** if ABS(f) < VERY_SMALL_NUMBER, returns 0., else f */
210#define KILL_DENORMAL(f)  IS_DENORMAL(f) ? 0. : f
211
212/** if f > VERY_SMALL_NUMBER, returns f, else returns VERY_SMALL_NUMBER */
213#define CEIL_DENORMAL(f)  f < VERY_SMALL_NUMBER ? VERY_SMALL_NUMBER : f
214
215#define SAFE_LOG10(f) LOG10(CEIL_DENORMAL(f))
216#define SAFE_LOG(f)   LOG(CEIL_DENORMAL(f))
217
218#define UNUSED __attribute__((unused))
219
220#endif/*_AUBIO_PRIV_H*/
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