source: roaraudio/include/libroardsp/libroardsp.h @ 2187:3aa9746560f4

Last change on this file since 2187:3aa9746560f4 was 2187:3aa9746560f4, checked in by phi, 15 years ago

startetd with CELT support in libroardsp
File size: 7.7 KB
Line 
1//libroardsp.h:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - August 2008
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 "poly.h"
34#include "convert.h"
35#include "midside.h"
36#include "point.h"
37#include "remove.h"
38#include "transcode.h"
39
40#ifdef ROAR_HAVE_LIBCELT
41#include "transcode_celt.h"
42#endif
43
44// defines
45#define ROARDSP_MAX_FILTERS_PER_CHAIN 8
46
47#define ROARDSP_FILTER_NONE           0
48#define ROARDSP_FILTER_AMP            1
49#define ROARDSP_FILTER_LOWP           2
50#define ROARDSP_FILTER_HIGHP          3
51#define ROARDSP_FILTER_MODULATE       4
52#define ROARDSP_FILTER_QUANTIFY       5
53#define ROARDSP_FILTER_CLIP           6
54#define ROARDSP_FILTER_ADD            7
55#define ROARDSP_FILTER_DOWNMIX        8
56#define ROARDSP_FILTER_DCBLOCK        9
57#define ROARDSP_FILTER_SWAP          10
58
59// filter CTLs:
60
61#define ROARDSP_FCTL_FREQ             1
62#define ROARDSP_FCTL_TIME             2
63#define ROARDSP_FCTL_MUL              3
64#define ROARDSP_FCTL_DIV              4
65#define ROARDSP_FCTL_N                5
66#define ROARDSP_FCTL_LIMIT            6
67#define ROARDSP_FCTL_PHASE            7
68#define ROARDSP_FCTL_Q                8
69#define ROARDSP_FCTL_MODE             9
70
71// consts for filter(chain) reset:
72#define ROARDSP_RESET_NONE            0
73#define ROARDSP_RESET_FULL            1
74#define ROARDSP_RESET_STATE           2
75
76// filter specific constants:
77#define ROARDSP_DOWNMIX_LEFT          1
78#define ROARDSP_DOWNMIX_RIGHT         2
79#define ROARDSP_DOWNMIX_ARITHMETIC    3
80#define ROARDSP_DOWNMIX_RMS           4
81
82#define ROARDSP_DCBLOCK_NUMBLOCKS     100
83
84// types:
85
86struct roardsp_filter {
87 int    channels;
88 int    bits;
89 int    rate;
90 void * inst;
91 int (*calc  )(struct roardsp_filter * filter, void * data, size_t samples);
92 int (*uninit)(struct roardsp_filter * filter);
93 int (*ctl   )(struct roardsp_filter * filter, int cmd, void * data);
94 int (*reset )(struct roardsp_filter * filter, int what);
95};
96
97struct roardsp_filterchain {
98 int filters;
99 struct roardsp_filter * filter[ROARDSP_MAX_FILTERS_PER_CHAIN];
100};
101
102#ifdef ROAR_HAVE_LIBM
103struct roardsp_lowp {
104 uint32_t freq; // in mHz (0Hz..4MHz)
105 uint16_t a, b;
106 int32_t  old[ROAR_MAX_CHANNELS];
107};
108
109struct roardsp_highp {
110 uint32_t freq; // in mHz (0Hz..4MHz)
111 int32_t  a, b, c;
112 int32_t  oldout[ROAR_MAX_CHANNELS];
113 int32_t  oldin[ROAR_MAX_CHANNELS];
114};
115#endif
116
117struct roardsp_amp {
118 int32_t  mul;
119 int32_t  div;
120};
121
122struct roardsp_dcblock {
123 int cur;
124 int32_t dc[ROARDSP_DCBLOCK_NUMBLOCKS];
125};
126
127struct roardsp_swap {
128 int map[ROAR_MAX_CHANNELS];
129};
130
131// funcs:
132int    roardsp_filter_str2id(char * str);
133char * roardsp_filter_id2str(int id);
134int    roardsp_filter_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
135int    roardsp_filter_uninit(struct roardsp_filter * filter);
136int    roardsp_filter_calc  (struct roardsp_filter * filter, void * data, size_t len);
137int    roardsp_filter_ctl   (struct roardsp_filter * filter, int cmd, void * data);
138int    roardsp_filter_reset (struct roardsp_filter * filter, int what);
139
140int roardsp_fchain_init  (struct roardsp_filterchain * chain);
141int roardsp_fchain_uninit(struct roardsp_filterchain * chain);
142int roardsp_fchain_add   (struct roardsp_filterchain * chain, struct roardsp_filter * filter);
143int roardsp_fchain_calc  (struct roardsp_filterchain * chain, void * data, size_t len);
144int roardsp_fchain_reset (struct roardsp_filterchain * chain, int what);
145int roardsp_fchain_num   (struct roardsp_filterchain * chain);
146
147// filter:
148
149#ifdef ROAR_HAVE_LIBM
150int roardsp_lowp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
151int roardsp_lowp_uninit(struct roardsp_filter * filter);
152int roardsp_lowp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
153int roardsp_lowp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
154int roardsp_lowp_reset (struct roardsp_filter * filter, int what);
155
156int roardsp_highp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
157int roardsp_highp_uninit(struct roardsp_filter * filter);
158int roardsp_highp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
159int roardsp_highp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
160int roardsp_highp_reset (struct roardsp_filter * filter, int what);
161#endif
162
163int roardsp_amp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
164int roardsp_amp_uninit(struct roardsp_filter * filter);
165int roardsp_amp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
166int roardsp_amp_calc8 (struct roardsp_filter * filter, void * data, size_t samples);
167int roardsp_amp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
168int roardsp_amp_reset (struct roardsp_filter * filter, int what);
169
170int roardsp_add_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
171int roardsp_add_calc16(struct roardsp_filter * filter, void * data, size_t samples);
172int roardsp_add_reset (struct roardsp_filter * filter, int what);
173
174int roardsp_quantify_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
175int roardsp_quantify_uninit(struct roardsp_filter * filter);
176int roardsp_quantify_calc16(struct roardsp_filter * filter, void * data, size_t samples);
177int roardsp_quantify_ctl   (struct roardsp_filter * filter, int cmd, void * data);
178int roardsp_quantify_reset (struct roardsp_filter * filter, int what);
179
180int roardsp_clip_calc16(struct roardsp_filter * filter, void * data, size_t samples);
181int roardsp_clip_ctl   (struct roardsp_filter * filter, int cmd, void * data);
182int roardsp_clip_reset (struct roardsp_filter * filter, int what);
183
184int roardsp_downmix_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
185int roardsp_downmix_calc162(struct roardsp_filter * filter, void * data, size_t samples);
186int roardsp_downmix_ctl    (struct roardsp_filter * filter, int cmd, void * data);
187int roardsp_downmix_reset  (struct roardsp_filter * filter, int what);
188
189int roardsp_dcblock_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
190int roardsp_dcblock_uninit (struct roardsp_filter * filter);
191int roardsp_dcblock_calc16 (struct roardsp_filter * filter, void * data, size_t samples);
192int roardsp_dcblock_reset  (struct roardsp_filter * filter, int what);
193
194int roardsp_swap_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
195int roardsp_swap_uninit (struct roardsp_filter * filter);
196int roardsp_swap_calc162(struct roardsp_filter * filter, void * data, size_t samples);
197int roardsp_swap_ctl    (struct roardsp_filter * filter, int cmd, void * data);
198int roardsp_swap_reset  (struct roardsp_filter * filter, int what);
199
200// codecs:
201int roardsp_conv_alaw2pcm16 (int16_t * out, char * in, size_t len);
202int roardsp_conv_pcm162alaw (char * out, int16_t * in, size_t len);
203
204int roardsp_conv_mulaw2pcm16 (int16_t * out, char * in, size_t len);
205int roardsp_conv_pcm162mulaw (char * out, int16_t * in, size_t len);
206
207__END_DECLS
208
209#endif
210
211//ll
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