source: roaraudio/include/libroardsp/libroardsp.h @ 2638:44b5cbce99a7

Last change on this file since 2638:44b5cbce99a7 was 2638:44b5cbce99a7, checked in by phi, 15 years ago

added vio_transcode.h
File size: 7.9 KB
Line 
1//libroardsp.h:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008, 2009
5 *
6 *  This file is part of libroardsp a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  libroardsp is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 */
24
25#ifndef _LIBROARDSP_H_
26#define _LIBROARDSP_H_
27
28#include <roaraudio.h>
29
30__BEGIN_DECLS
31
32#include "midi.h"
33#include "synth.h"
34#include "poly.h"
35#include "fader.h"
36#include "convert.h"
37#include "midside.h"
38#include "point.h"
39#include "remove.h"
40#include "rms.h"
41#include "transcode.h"
42#include "vio_transcode.h"
43
44#ifdef ROAR_HAVE_LIBCELT
45#include "transcode_celt.h"
46#endif
47#ifdef ROAR_HAVE_LIBSPEEX
48#include "transcode_speex.h"
49#endif
50
51#ifdef ROAR_HAVE_LIBSAMPLERATE
52#include <samplerate.h>
53#endif
54
55// defines
56#define ROARDSP_MAX_FILTERS_PER_CHAIN 8
57
58#define ROARDSP_FILTER_NONE           0
59#define ROARDSP_FILTER_AMP            1
60#define ROARDSP_FILTER_LOWP           2
61#define ROARDSP_FILTER_HIGHP          3
62#define ROARDSP_FILTER_MODULATE       4
63#define ROARDSP_FILTER_QUANTIFY       5
64#define ROARDSP_FILTER_CLIP           6
65#define ROARDSP_FILTER_ADD            7
66#define ROARDSP_FILTER_DOWNMIX        8
67#define ROARDSP_FILTER_DCBLOCK        9
68#define ROARDSP_FILTER_SWAP          10
69
70// filter CTLs:
71
72#define ROARDSP_FCTL_FREQ             1
73#define ROARDSP_FCTL_TIME             2
74#define ROARDSP_FCTL_MUL              3
75#define ROARDSP_FCTL_DIV              4
76#define ROARDSP_FCTL_N                5
77#define ROARDSP_FCTL_LIMIT            6
78#define ROARDSP_FCTL_PHASE            7
79#define ROARDSP_FCTL_Q                8
80#define ROARDSP_FCTL_MODE             9
81
82// consts for filter(chain) reset:
83#define ROARDSP_RESET_NONE            0
84#define ROARDSP_RESET_FULL            1
85#define ROARDSP_RESET_STATE           2
86
87// filter specific constants:
88#define ROARDSP_DOWNMIX_LEFT          1
89#define ROARDSP_DOWNMIX_RIGHT         2
90#define ROARDSP_DOWNMIX_ARITHMETIC    3
91#define ROARDSP_DOWNMIX_RMS           4
92
93#define ROARDSP_DCBLOCK_NUMBLOCKS     100
94
95// types:
96
97struct roardsp_filter {
98 int    channels;
99 int    bits;
100 int    rate;
101 void * inst;
102 int (*calc  )(struct roardsp_filter * filter, void * data, size_t samples);
103 int (*uninit)(struct roardsp_filter * filter);
104 int (*ctl   )(struct roardsp_filter * filter, int cmd, void * data);
105 int (*reset )(struct roardsp_filter * filter, int what);
106};
107
108struct roardsp_filterchain {
109 int filters;
110 struct roardsp_filter * filter[ROARDSP_MAX_FILTERS_PER_CHAIN];
111};
112
113#ifdef ROAR_HAVE_LIBM
114struct roardsp_lowp {
115 uint32_t freq; // in mHz (0Hz..4MHz)
116 uint16_t a, b;
117 int32_t  old[ROAR_MAX_CHANNELS];
118};
119
120struct roardsp_highp {
121 uint32_t freq; // in mHz (0Hz..4MHz)
122 int32_t  a, b, c;
123 int32_t  oldout[ROAR_MAX_CHANNELS];
124 int32_t  oldin[ROAR_MAX_CHANNELS];
125};
126#endif
127
128struct roardsp_amp {
129 int32_t  mul;
130 int32_t  div;
131};
132
133struct roardsp_dcblock {
134 int cur;
135 int32_t dc[ROARDSP_DCBLOCK_NUMBLOCKS];
136};
137
138struct roardsp_swap {
139 int map[ROAR_MAX_CHANNELS];
140};
141
142// funcs:
143int    roardsp_filter_str2id(char * str);
144char * roardsp_filter_id2str(int id);
145int    roardsp_filter_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
146int    roardsp_filter_uninit(struct roardsp_filter * filter);
147int    roardsp_filter_calc  (struct roardsp_filter * filter, void * data, size_t len);
148int    roardsp_filter_ctl   (struct roardsp_filter * filter, int cmd, void * data);
149int    roardsp_filter_reset (struct roardsp_filter * filter, int what);
150
151int roardsp_fchain_init  (struct roardsp_filterchain * chain);
152int roardsp_fchain_uninit(struct roardsp_filterchain * chain);
153int roardsp_fchain_add   (struct roardsp_filterchain * chain, struct roardsp_filter * filter);
154int roardsp_fchain_calc  (struct roardsp_filterchain * chain, void * data, size_t len);
155int roardsp_fchain_reset (struct roardsp_filterchain * chain, int what);
156int roardsp_fchain_num   (struct roardsp_filterchain * chain);
157
158// filter:
159
160#ifdef ROAR_HAVE_LIBM
161int roardsp_lowp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
162int roardsp_lowp_uninit(struct roardsp_filter * filter);
163int roardsp_lowp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
164int roardsp_lowp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
165int roardsp_lowp_reset (struct roardsp_filter * filter, int what);
166
167int roardsp_highp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
168int roardsp_highp_uninit(struct roardsp_filter * filter);
169int roardsp_highp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
170int roardsp_highp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
171int roardsp_highp_reset (struct roardsp_filter * filter, int what);
172#endif
173
174int roardsp_amp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
175int roardsp_amp_uninit(struct roardsp_filter * filter);
176int roardsp_amp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
177int roardsp_amp_calc8 (struct roardsp_filter * filter, void * data, size_t samples);
178int roardsp_amp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
179int roardsp_amp_reset (struct roardsp_filter * filter, int what);
180
181int roardsp_add_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
182int roardsp_add_calc16(struct roardsp_filter * filter, void * data, size_t samples);
183int roardsp_add_reset (struct roardsp_filter * filter, int what);
184
185int roardsp_quantify_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
186int roardsp_quantify_uninit(struct roardsp_filter * filter);
187int roardsp_quantify_calc16(struct roardsp_filter * filter, void * data, size_t samples);
188int roardsp_quantify_ctl   (struct roardsp_filter * filter, int cmd, void * data);
189int roardsp_quantify_reset (struct roardsp_filter * filter, int what);
190
191int roardsp_clip_calc16(struct roardsp_filter * filter, void * data, size_t samples);
192int roardsp_clip_ctl   (struct roardsp_filter * filter, int cmd, void * data);
193int roardsp_clip_reset (struct roardsp_filter * filter, int what);
194
195int roardsp_downmix_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
196int roardsp_downmix_calc162(struct roardsp_filter * filter, void * data, size_t samples);
197int roardsp_downmix_ctl    (struct roardsp_filter * filter, int cmd, void * data);
198int roardsp_downmix_reset  (struct roardsp_filter * filter, int what);
199
200int roardsp_dcblock_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
201int roardsp_dcblock_uninit (struct roardsp_filter * filter);
202int roardsp_dcblock_calc16 (struct roardsp_filter * filter, void * data, size_t samples);
203int roardsp_dcblock_reset  (struct roardsp_filter * filter, int what);
204
205int roardsp_swap_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
206int roardsp_swap_uninit (struct roardsp_filter * filter);
207int roardsp_swap_calc162(struct roardsp_filter * filter, void * data, size_t samples);
208int roardsp_swap_ctl    (struct roardsp_filter * filter, int cmd, void * data);
209int roardsp_swap_reset  (struct roardsp_filter * filter, int what);
210
211// codecs:
212int roardsp_conv_alaw2pcm16 (int16_t * out, char * in, size_t len);
213int roardsp_conv_pcm162alaw (char * out, int16_t * in, size_t len);
214
215int roardsp_conv_mulaw2pcm16 (int16_t * out, char * in, size_t len);
216int roardsp_conv_pcm162mulaw (char * out, int16_t * in, size_t len);
217
218__END_DECLS
219
220#endif
221
222//ll
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