source: roaraudio/include/libroardsp/libroardsp.h @ 3034:01472131e78b

Last change on this file since 3034:01472131e78b was 3034:01472131e78b, checked in by phi, 14 years ago

added libroardsp/interleave.[ch]
File size: 10.8 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// enable Speex preprocessing and better type handling if speex > 1.1.8
33#ifdef ROAR_HAVE_LIBSPEEX
34#include <speex/speex.h>
35#ifdef _SPEEX_TYPES_H
36#include <speex/speex_preprocess.h>
37#endif
38#endif
39
40#include "interleave.h"
41#include "midi.h"
42#include "synth.h"
43#include "poly.h"
44#include "fader.h"
45#include "mixer.h"
46#include "amp.h"
47#include "convert.h"
48#include "midside.h"
49#include "point.h"
50#include "remove.h"
51#include "rms.h"
52#include "transcode.h"
53#include "vio_transcode.h"
54
55#ifdef ROAR_HAVE_LIBCELT
56#include "transcode_celt.h"
57#endif
58#ifdef ROAR_HAVE_LIBSPEEX
59#include "transcode_speex.h"
60#endif
61
62#ifdef ROAR_HAVE_LIBSAMPLERATE
63#include <samplerate.h>
64#endif
65
66// defines
67#define ROARDSP_MAX_FILTERS_PER_CHAIN 8
68
69#define ROARDSP_FILTER_NONE           0
70#define ROARDSP_FILTER_AMP            1
71#define ROARDSP_FILTER_LOWP           2
72#define ROARDSP_FILTER_HIGHP          3
73#define ROARDSP_FILTER_MODULATE       4
74#define ROARDSP_FILTER_QUANTIFY       5
75#define ROARDSP_FILTER_CLIP           6
76#define ROARDSP_FILTER_ADD            7
77#define ROARDSP_FILTER_DOWNMIX        8
78#define ROARDSP_FILTER_DCBLOCK        9
79#define ROARDSP_FILTER_SWAP          10
80#define ROARDSP_FILTER_SPEEX_PREP    11
81#define ROARDSP_FILTER_AGC           12
82
83// filter CTLs:
84
85#define ROARDSP_FCTL_FREQ             1 /* float */
86#define ROARDSP_FCTL_TIME             2
87#define ROARDSP_FCTL_MUL              3 /* int32_t */
88#define ROARDSP_FCTL_DIV              4 /* int32_t */
89#define ROARDSP_FCTL_N                5 /* int32_t */
90#define ROARDSP_FCTL_LIMIT            6 /* int32_t */
91#define ROARDSP_FCTL_PHASE            7
92#define ROARDSP_FCTL_Q                8 /* int32_t */
93#define ROARDSP_FCTL_MODE             9 /* int32_t */
94#define ROARDSP_FCTL_PACKET_SIZE     10 /* size_t */
95
96// consts for filter flags:
97#define ROARDSP_FFLAG_NONE            0x0000
98#define ROARDSP_FFLAG_FREE            0x0001
99
100// consts for filter(chain) reset:
101#define ROARDSP_RESET_NONE            0
102#define ROARDSP_RESET_FULL            1
103#define ROARDSP_RESET_STATE           2
104
105// filter specific constants:
106#define ROARDSP_DOWNMIX_LEFT          1
107#define ROARDSP_DOWNMIX_RIGHT         2
108#define ROARDSP_DOWNMIX_ARITHMETIC    3
109#define ROARDSP_DOWNMIX_RMS           4
110
111#define ROARDSP_DCBLOCK_NUMBLOCKS     100
112
113
114#define ROARDSP_SPEEX_PREP_ON          0x0001
115#define ROARDSP_SPEEX_PREP_OFF         0x0002
116#define ROARDSP_SPEEX_PREP_MASK        (ROARDSP_SPEEX_PREP_ON|ROARDSP_SPEEX_PREP_OFF)
117
118// Config Bit Vector
119#define ROARDSP_SPEEX_PREP_CBV(opt,sw) ((sw)<<((opt)*2))
120#define ROARDSP_SPEEX_PREP_CTB(opt,val) (((val) & ROARDSP_SPEEX_PREP_CBV((opt),ROARDSP_SPEEX_PREP_MASK)) >> ((opt)*2))
121
122#define ROARDSP_SPEEX_PREP_DENOISE     0
123#define ROARDSP_SPEEX_PREP_AGC         1
124#define ROARDSP_SPEEX_PREP_VAD         2
125
126#define ROARDSP_SPEEX_PREP_DENOISE_ON  ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_DENOISE, ROARDSP_SPEEX_PREP_ON)
127#define ROARDSP_SPEEX_PREP_DENOISE_OFF ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_DENOISE, ROARDSP_SPEEX_PREP_OFF)
128#define ROARDSP_SPEEX_PREP_AGC_ON      ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_AGC, ROARDSP_SPEEX_PREP_ON)
129#define ROARDSP_SPEEX_PREP_AGC_OFF     ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_AGC, ROARDSP_SPEEX_PREP_OFF)
130#define ROARDSP_SPEEX_PREP_VAD_ON      ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_VAD, ROARDSP_SPEEX_PREP_ON)
131#define ROARDSP_SPEEX_PREP_VAD_OFF     ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_VAD, ROARDSP_SPEEX_PREP_OFF)
132
133
134// types:
135
136struct roardsp_filter {
137 int    channels;
138 int    bits;
139 int    rate;
140 void * inst;
141 uint_least16_t flags;
142 int (*calc  )(struct roardsp_filter * filter, void * data, size_t samples);
143 int (*uninit)(struct roardsp_filter * filter);
144 int (*ctl   )(struct roardsp_filter * filter, int cmd, void * data);
145 int (*reset )(struct roardsp_filter * filter, int what);
146};
147
148struct roardsp_filterchain {
149 int filters;
150 struct roardsp_filter * filter[ROARDSP_MAX_FILTERS_PER_CHAIN];
151};
152
153#ifdef ROAR_HAVE_LIBM
154struct roardsp_lowp {
155 uint32_t freq; // in mHz (0Hz..4MHz)
156 uint16_t a, b;
157 int32_t  old[ROAR_MAX_CHANNELS];
158};
159
160struct roardsp_highp {
161 uint32_t freq; // in mHz (0Hz..4MHz)
162 int32_t  a, b, c;
163 int32_t  oldout[ROAR_MAX_CHANNELS];
164 int32_t  oldin[ROAR_MAX_CHANNELS];
165};
166#endif
167
168struct roardsp_amp {
169 int32_t  mul;
170 int32_t  div;
171};
172
173struct roardsp_dcblock {
174 int cur;
175 int32_t dc[ROARDSP_DCBLOCK_NUMBLOCKS];
176};
177
178struct roardsp_swap {
179 int map[ROAR_MAX_CHANNELS];
180};
181
182struct roardsp_agc {
183 struct roardsp_filter * amp;
184 uint32_t target_amp;
185};
186
187struct roardsp_speex_prep {
188#ifdef _SPEEX_TYPES_H
189 SpeexPreprocessState *preprocess;
190 int frame_size;
191#else
192 char dummy[8];
193#endif
194};
195
196// funcs:
197int    roardsp_filter_str2id(char * str);
198char * roardsp_filter_id2str(int id);
199int    roardsp_filter_new   (struct roardsp_filter ** filter, struct roar_stream * stream, int id);
200#define roardsp_filter_free(x) roardsp_filter_uninit((x))
201int    roardsp_filter_init  (struct roardsp_filter *  filter, struct roar_stream * stream, int id);
202int    roardsp_filter_uninit(struct roardsp_filter *  filter);
203int    roardsp_filter_calc  (struct roardsp_filter *  filter, void * data, size_t len);
204int    roardsp_filter_ctl   (struct roardsp_filter *  filter, int cmd, void * data);
205int    roardsp_filter_reset (struct roardsp_filter *  filter, int what);
206
207int roardsp_fchain_init  (struct roardsp_filterchain * chain);
208int roardsp_fchain_uninit(struct roardsp_filterchain * chain);
209int roardsp_fchain_add   (struct roardsp_filterchain * chain, struct roardsp_filter * filter);
210int roardsp_fchain_calc  (struct roardsp_filterchain * chain, void * data, size_t len);
211int roardsp_fchain_reset (struct roardsp_filterchain * chain, int what);
212int roardsp_fchain_num   (struct roardsp_filterchain * chain);
213
214// filter:
215
216#ifdef ROAR_HAVE_LIBM
217int roardsp_lowp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
218int roardsp_lowp_uninit(struct roardsp_filter * filter);
219int roardsp_lowp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
220int roardsp_lowp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
221int roardsp_lowp_reset (struct roardsp_filter * filter, int what);
222
223int roardsp_highp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
224int roardsp_highp_uninit(struct roardsp_filter * filter);
225int roardsp_highp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
226int roardsp_highp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
227int roardsp_highp_reset (struct roardsp_filter * filter, int what);
228#endif
229
230int roardsp_amp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
231int roardsp_amp_uninit(struct roardsp_filter * filter);
232int roardsp_amp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
233int roardsp_amp_calc8 (struct roardsp_filter * filter, void * data, size_t samples);
234int roardsp_amp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
235int roardsp_amp_reset (struct roardsp_filter * filter, int what);
236
237int roardsp_add_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
238int roardsp_add_calc16(struct roardsp_filter * filter, void * data, size_t samples);
239int roardsp_add_reset (struct roardsp_filter * filter, int what);
240
241int roardsp_quantify_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
242int roardsp_quantify_uninit(struct roardsp_filter * filter);
243int roardsp_quantify_calc16(struct roardsp_filter * filter, void * data, size_t samples);
244int roardsp_quantify_ctl   (struct roardsp_filter * filter, int cmd, void * data);
245int roardsp_quantify_reset (struct roardsp_filter * filter, int what);
246
247int roardsp_clip_calc16(struct roardsp_filter * filter, void * data, size_t samples);
248int roardsp_clip_ctl   (struct roardsp_filter * filter, int cmd, void * data);
249int roardsp_clip_reset (struct roardsp_filter * filter, int what);
250
251int roardsp_downmix_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
252int roardsp_downmix_calc162(struct roardsp_filter * filter, void * data, size_t samples);
253int roardsp_downmix_ctl    (struct roardsp_filter * filter, int cmd, void * data);
254int roardsp_downmix_reset  (struct roardsp_filter * filter, int what);
255
256int roardsp_dcblock_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
257int roardsp_dcblock_uninit (struct roardsp_filter * filter);
258int roardsp_dcblock_calc16 (struct roardsp_filter * filter, void * data, size_t samples);
259int roardsp_dcblock_reset  (struct roardsp_filter * filter, int what);
260
261int roardsp_swap_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
262int roardsp_swap_uninit (struct roardsp_filter * filter);
263int roardsp_swap_calc162(struct roardsp_filter * filter, void * data, size_t samples);
264int roardsp_swap_ctl    (struct roardsp_filter * filter, int cmd, void * data);
265int roardsp_swap_reset  (struct roardsp_filter * filter, int what);
266
267int roardsp_agc_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
268int roardsp_agc_uninit (struct roardsp_filter * filter);
269int roardsp_agc_ctl    (struct roardsp_filter * filter, int cmd, void * data);
270int roardsp_agc_reset  (struct roardsp_filter * filter, int what);
271
272#ifdef _SPEEX_TYPES_H
273#define ROAR_HAVE_SPEEX_FILTER
274int roardsp_speex_prep_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
275int roardsp_speex_prep_uninit (struct roardsp_filter * filter);
276int roardsp_speex_prep_calc161(struct roardsp_filter * filter, void * data, size_t samples);
277int roardsp_speex_prep_ctl    (struct roardsp_filter * filter, int cmd, void * data);
278int roardsp_speex_prep_reset  (struct roardsp_filter * filter, int what);
279#endif
280
281// codecs:
282int roardsp_conv_alaw2pcm16 (int16_t * out, char * in, size_t len);
283int roardsp_conv_pcm162alaw (char * out, int16_t * in, size_t len);
284
285int roardsp_conv_mulaw2pcm16 (int16_t * out, char * in, size_t len);
286int roardsp_conv_pcm162mulaw (char * out, int16_t * in, size_t len);
287
288__END_DECLS
289
290#endif
291
292//ll
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