source: roaraudio/include/libroardsp/libroardsp.h @ 3010:f853cab15d30

Last change on this file since 3010:f853cab15d30 was 3010:f853cab15d30, checked in by phi, 15 years ago

started with AGC filter
File size: 10.7 KB
RevLine 
[651]1//libroardsp.h:
2
[687]3/*
[2316]4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008, 2009
[687]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
[651]25#ifndef _LIBROARDSP_H_
26#define _LIBROARDSP_H_
27
[652]28#include <roaraudio.h>
29
[874]30__BEGIN_DECLS
31
[2992]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
[686]40#include "midi.h"
[2425]41#include "synth.h"
[1368]42#include "poly.h"
[2434]43#include "fader.h"
[2929]44#include "mixer.h"
[2934]45#include "amp.h"
[1371]46#include "convert.h"
[1626]47#include "midside.h"
[2026]48#include "point.h"
[2143]49#include "remove.h"
[2316]50#include "rms.h"
[2169]51#include "transcode.h"
[2638]52#include "vio_transcode.h"
[686]53
[2187]54#ifdef ROAR_HAVE_LIBCELT
55#include "transcode_celt.h"
56#endif
[2294]57#ifdef ROAR_HAVE_LIBSPEEX
58#include "transcode_speex.h"
59#endif
[2187]60
[2386]61#ifdef ROAR_HAVE_LIBSAMPLERATE
62#include <samplerate.h>
63#endif
64
[659]65// defines
66#define ROARDSP_MAX_FILTERS_PER_CHAIN 8
67
[662]68#define ROARDSP_FILTER_NONE           0
69#define ROARDSP_FILTER_AMP            1
70#define ROARDSP_FILTER_LOWP           2
71#define ROARDSP_FILTER_HIGHP          3
[979]72#define ROARDSP_FILTER_MODULATE       4
73#define ROARDSP_FILTER_QUANTIFY       5
74#define ROARDSP_FILTER_CLIP           6
75#define ROARDSP_FILTER_ADD            7
[1004]76#define ROARDSP_FILTER_DOWNMIX        8
[1100]77#define ROARDSP_FILTER_DCBLOCK        9
[1587]78#define ROARDSP_FILTER_SWAP          10
[2979]79#define ROARDSP_FILTER_SPEEX_PREP    11
80#define ROARDSP_FILTER_AGC           12
[662]81
[672]82// filter CTLs:
83
[2992]84#define ROARDSP_FCTL_FREQ             1 /* float */
[672]85#define ROARDSP_FCTL_TIME             2
[3004]86#define ROARDSP_FCTL_MUL              3 /* int32_t */
87#define ROARDSP_FCTL_DIV              4 /* int32_t */
88#define ROARDSP_FCTL_N                5 /* int32_t */
89#define ROARDSP_FCTL_LIMIT            6 /* int32_t */
[979]90#define ROARDSP_FCTL_PHASE            7
[3004]91#define ROARDSP_FCTL_Q                8 /* int32_t */
92#define ROARDSP_FCTL_MODE             9 /* int32_t */
[2992]93#define ROARDSP_FCTL_PACKET_SIZE     10 /* size_t */
[672]94
[2989]95// consts for filter flags:
96#define ROARDSP_FFLAG_NONE            0x0000
97#define ROARDSP_FFLAG_FREE            0x0001
98
[1131]99// consts for filter(chain) reset:
100#define ROARDSP_RESET_NONE            0
101#define ROARDSP_RESET_FULL            1
102#define ROARDSP_RESET_STATE           2
103
[1004]104// filter specific constants:
105#define ROARDSP_DOWNMIX_LEFT          1
106#define ROARDSP_DOWNMIX_RIGHT         2
107#define ROARDSP_DOWNMIX_ARITHMETIC    3
108#define ROARDSP_DOWNMIX_RMS           4
109
[1100]110#define ROARDSP_DCBLOCK_NUMBLOCKS     100
111
[3004]112
113#define ROARDSP_SPEEX_PREP_ON          0x0001
114#define ROARDSP_SPEEX_PREP_OFF         0x0002
115#define ROARDSP_SPEEX_PREP_MASK        (ROARDSP_SPEEX_PREP_ON|ROARDSP_SPEEX_PREP_OFF)
116
117// Config Bit Vector
118#define ROARDSP_SPEEX_PREP_CBV(opt,sw) ((sw)<<((opt)*2))
119#define ROARDSP_SPEEX_PREP_CTB(opt,val) (((val) & ROARDSP_SPEEX_PREP_CBV((opt),ROARDSP_SPEEX_PREP_MASK)) >> ((opt)*2))
120
121#define ROARDSP_SPEEX_PREP_DENOISE     0
122#define ROARDSP_SPEEX_PREP_AGC         1
123#define ROARDSP_SPEEX_PREP_VAD         2
124
125#define ROARDSP_SPEEX_PREP_DENOISE_ON  ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_DENOISE, ROARDSP_SPEEX_PREP_ON)
126#define ROARDSP_SPEEX_PREP_DENOISE_OFF ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_DENOISE, ROARDSP_SPEEX_PREP_OFF)
127#define ROARDSP_SPEEX_PREP_AGC_ON      ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_AGC, ROARDSP_SPEEX_PREP_ON)
128#define ROARDSP_SPEEX_PREP_AGC_OFF     ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_AGC, ROARDSP_SPEEX_PREP_OFF)
129#define ROARDSP_SPEEX_PREP_VAD_ON      ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_VAD, ROARDSP_SPEEX_PREP_ON)
130#define ROARDSP_SPEEX_PREP_VAD_OFF     ROARDSP_SPEEX_PREP_CBV(ROARDSP_SPEEX_PREP_VAD, ROARDSP_SPEEX_PREP_OFF)
131
132
[659]133// types:
134
135struct roardsp_filter {
136 int    channels;
137 int    bits;
[673]138 int    rate;
[659]139 void * inst;
[2989]140 uint_least16_t flags;
[659]141 int (*calc  )(struct roardsp_filter * filter, void * data, size_t samples);
142 int (*uninit)(struct roardsp_filter * filter);
[672]143 int (*ctl   )(struct roardsp_filter * filter, int cmd, void * data);
[1131]144 int (*reset )(struct roardsp_filter * filter, int what);
[659]145};
146
147struct roardsp_filterchain {
148 int filters;
149 struct roardsp_filter * filter[ROARDSP_MAX_FILTERS_PER_CHAIN];
150};
151
[1105]152#ifdef ROAR_HAVE_LIBM
[659]153struct roardsp_lowp {
154 uint32_t freq; // in mHz (0Hz..4MHz)
155 uint16_t a, b;
156 int32_t  old[ROAR_MAX_CHANNELS];
157};
158
[685]159struct roardsp_highp {
160 uint32_t freq; // in mHz (0Hz..4MHz)
161 int32_t  a, b, c;
162 int32_t  oldout[ROAR_MAX_CHANNELS];
163 int32_t  oldin[ROAR_MAX_CHANNELS];
164};
[1105]165#endif
[685]166
[882]167struct roardsp_amp {
168 int32_t  mul;
169 int32_t  div;
170};
171
[1100]172struct roardsp_dcblock {
173 int cur;
174 int32_t dc[ROARDSP_DCBLOCK_NUMBLOCKS];
175};
176
[1587]177struct roardsp_swap {
178 int map[ROAR_MAX_CHANNELS];
179};
180
[2980]181struct roardsp_agc {
182 struct roardsp_filter * amp;
[3010]183 uint32_t target_amp;
[2980]184};
185
186struct roardsp_speex_prep {
[2992]187#ifdef _SPEEX_TYPES_H
188 SpeexPreprocessState *preprocess;
189 int frame_size;
190#else
[2980]191 char dummy[8];
[2992]192#endif
[2980]193};
194
[659]195// funcs:
[664]196int    roardsp_filter_str2id(char * str);
197char * roardsp_filter_id2str(int id);
[2989]198int    roardsp_filter_new   (struct roardsp_filter ** filter, struct roar_stream * stream, int id);
[3010]199#define roardsp_filter_free(x) roardsp_filter_uninit((x))
[2989]200int    roardsp_filter_init  (struct roardsp_filter *  filter, struct roar_stream * stream, int id);
201int    roardsp_filter_uninit(struct roardsp_filter *  filter);
202int    roardsp_filter_calc  (struct roardsp_filter *  filter, void * data, size_t len);
203int    roardsp_filter_ctl   (struct roardsp_filter *  filter, int cmd, void * data);
204int    roardsp_filter_reset (struct roardsp_filter *  filter, int what);
[659]205
206int roardsp_fchain_init  (struct roardsp_filterchain * chain);
207int roardsp_fchain_uninit(struct roardsp_filterchain * chain);
208int roardsp_fchain_add   (struct roardsp_filterchain * chain, struct roardsp_filter * filter);
209int roardsp_fchain_calc  (struct roardsp_filterchain * chain, void * data, size_t len);
[1131]210int roardsp_fchain_reset (struct roardsp_filterchain * chain, int what);
[679]211int roardsp_fchain_num   (struct roardsp_filterchain * chain);
[659]212
[676]213// filter:
214
[1105]215#ifdef ROAR_HAVE_LIBM
[676]216int roardsp_lowp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
217int roardsp_lowp_uninit(struct roardsp_filter * filter);
218int roardsp_lowp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
219int roardsp_lowp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
[1141]220int roardsp_lowp_reset (struct roardsp_filter * filter, int what);
[676]221
[685]222int roardsp_highp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
223int roardsp_highp_uninit(struct roardsp_filter * filter);
224int roardsp_highp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
225int roardsp_highp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
[1141]226int roardsp_highp_reset (struct roardsp_filter * filter, int what);
[1105]227#endif
[676]228
[882]229int roardsp_amp_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
230int roardsp_amp_uninit(struct roardsp_filter * filter);
231int roardsp_amp_calc16(struct roardsp_filter * filter, void * data, size_t samples);
232int roardsp_amp_calc8 (struct roardsp_filter * filter, void * data, size_t samples);
233int roardsp_amp_ctl   (struct roardsp_filter * filter, int cmd, void * data);
[1141]234int roardsp_amp_reset (struct roardsp_filter * filter, int what);
[882]235
[979]236int roardsp_add_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
237int roardsp_add_calc16(struct roardsp_filter * filter, void * data, size_t samples);
[1141]238int roardsp_add_reset (struct roardsp_filter * filter, int what);
[979]239
240int roardsp_quantify_init  (struct roardsp_filter * filter, struct roar_stream * stream, int id);
241int roardsp_quantify_uninit(struct roardsp_filter * filter);
242int roardsp_quantify_calc16(struct roardsp_filter * filter, void * data, size_t samples);
243int roardsp_quantify_ctl   (struct roardsp_filter * filter, int cmd, void * data);
[1141]244int roardsp_quantify_reset (struct roardsp_filter * filter, int what);
[979]245
246int roardsp_clip_calc16(struct roardsp_filter * filter, void * data, size_t samples);
247int roardsp_clip_ctl   (struct roardsp_filter * filter, int cmd, void * data);
[1141]248int roardsp_clip_reset (struct roardsp_filter * filter, int what);
[979]249
[1004]250int roardsp_downmix_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
251int roardsp_downmix_calc162(struct roardsp_filter * filter, void * data, size_t samples);
252int roardsp_downmix_ctl    (struct roardsp_filter * filter, int cmd, void * data);
[1141]253int roardsp_downmix_reset  (struct roardsp_filter * filter, int what);
[1004]254
[1100]255int roardsp_dcblock_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
256int roardsp_dcblock_uninit (struct roardsp_filter * filter);
257int roardsp_dcblock_calc16 (struct roardsp_filter * filter, void * data, size_t samples);
[1131]258int roardsp_dcblock_reset  (struct roardsp_filter * filter, int what);
[1100]259
[1587]260int roardsp_swap_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
261int roardsp_swap_uninit (struct roardsp_filter * filter);
262int roardsp_swap_calc162(struct roardsp_filter * filter, void * data, size_t samples);
263int roardsp_swap_ctl    (struct roardsp_filter * filter, int cmd, void * data);
264int roardsp_swap_reset  (struct roardsp_filter * filter, int what);
265
[3010]266int roardsp_agc_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
267int roardsp_agc_uninit (struct roardsp_filter * filter);
268int roardsp_agc_ctl    (struct roardsp_filter * filter, int cmd, void * data);
269int roardsp_agc_reset  (struct roardsp_filter * filter, int what);
270
[2992]271#ifdef _SPEEX_TYPES_H
272int roardsp_speex_prep_init   (struct roardsp_filter * filter, struct roar_stream * stream, int id);
273int roardsp_speex_prep_uninit (struct roardsp_filter * filter);
[2998]274int roardsp_speex_prep_calc161(struct roardsp_filter * filter, void * data, size_t samples);
[2992]275int roardsp_speex_prep_ctl    (struct roardsp_filter * filter, int cmd, void * data);
276int roardsp_speex_prep_reset  (struct roardsp_filter * filter, int what);
277#endif
278
[735]279// codecs:
280int roardsp_conv_alaw2pcm16 (int16_t * out, char * in, size_t len);
[816]281int roardsp_conv_pcm162alaw (char * out, int16_t * in, size_t len);
[735]282
[922]283int roardsp_conv_mulaw2pcm16 (int16_t * out, char * in, size_t len);
284int roardsp_conv_pcm162mulaw (char * out, int16_t * in, size_t len);
285
[874]286__END_DECLS
287
[651]288#endif
289
290//ll
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