[2996] | 1 | //filter_speex_prep.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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| 5 | * |
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| 6 | * This file is part of libroardsp a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroardsp is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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| 25 | #include "libroardsp.h" |
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| 26 | |
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| 27 | #ifdef _SPEEX_TYPES_H |
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[3003] | 28 | |
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| 29 | #if defined(ROAR_HAVE_LIBSPEEX) && !defined(ROAR_HAVE_LIBSPEEXDSP) |
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| 30 | #define _SPEEX_API_OLD |
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[3005] | 31 | #define _SPEEX_INT int |
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[3003] | 32 | #elif defined(ROAR_HAVE_LIBSPEEX) && defined(ROAR_HAVE_LIBSPEEXDSP) |
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| 33 | #define _SPEEX_API_NEW |
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[3005] | 34 | #define _SPEEX_INT spx_int32_t |
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[3003] | 35 | #endif |
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| 36 | |
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[3005] | 37 | #define _on 1 |
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| 38 | #define _off 2 |
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| 39 | |
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| 40 | #define _CBVM(opt) (ROARDSP_SPEEX_PREP_CBV((opt), ROARDSP_SPEEX_PREP_MASK)) |
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| 41 | |
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[2996] | 42 | // TODO: check parameters we allready know: |
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| 43 | int roardsp_speex_prep_init (struct roardsp_filter * filter, struct roar_stream * stream, int id) { |
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[2997] | 44 | struct roardsp_speex_prep * self; |
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| 45 | |
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| 46 | if ( filter->channels != 1 ) |
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| 47 | return -1; |
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| 48 | |
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| 49 | if ( filter->bits != 16 ) |
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| 50 | return -1; |
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| 51 | |
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| 52 | self = roar_mm_malloc(sizeof(struct roardsp_speex_prep)); |
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[2996] | 53 | |
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| 54 | if ( self == NULL ) |
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| 55 | return -1; |
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| 56 | |
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| 57 | memset(self, 0, sizeof(struct roardsp_speex_prep)); |
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| 58 | |
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| 59 | return 0; |
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| 60 | } |
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| 61 | |
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| 62 | int roardsp_speex_prep_uninit (struct roardsp_filter * filter) { |
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| 63 | struct roardsp_speex_prep * self = filter->inst; |
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| 64 | |
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| 65 | if ( self->preprocess != NULL ) |
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| 66 | speex_preprocess_state_destroy(self->preprocess); |
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| 67 | |
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| 68 | roar_mm_free(self); |
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| 69 | |
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| 70 | return 0; |
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| 71 | } |
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| 72 | |
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[2998] | 73 | int roardsp_speex_prep_calc161(struct roardsp_filter * filter, void * data, size_t samples) { |
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[3003] | 74 | struct roardsp_speex_prep * self = filter->inst; |
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| 75 | |
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| 76 | if ( self->preprocess == NULL ) |
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| 77 | return -1; |
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| 78 | |
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| 79 | if ( samples != self->frame_size ) |
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| 80 | return -1; |
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| 81 | |
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| 82 | #ifdef _SPEEX_API_OLD |
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| 83 | speex_preprocess(self->preprocess, data, NULL); |
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| 84 | #elif defined(_SPEEX_API_NEW) |
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| 85 | speex_preprocess_run(self->preprocess, data); |
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| 86 | #else |
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[2998] | 87 | return -1; |
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[3003] | 88 | #endif |
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| 89 | |
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| 90 | return 0; |
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[2998] | 91 | } |
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| 92 | |
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[2996] | 93 | int roardsp_speex_prep_ctl (struct roardsp_filter * filter, int cmd, void * data) { |
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| 94 | struct roardsp_speex_prep * self = filter->inst; |
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[3005] | 95 | union { |
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| 96 | size_t size; |
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| 97 | int32_t i32; |
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| 98 | } * val = data; |
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| 99 | _SPEEX_INT si; |
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[2996] | 100 | |
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| 101 | switch (cmd) { |
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[3005] | 102 | case ROARDSP_FCTL_MODE: |
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| 103 | if ( self->preprocess == NULL ) |
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| 104 | return -1; |
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| 105 | |
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| 106 | if ( val->i32 & _CBVM(ROARDSP_SPEEX_PREP_DENOISE) ) { |
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| 107 | val->i32 -= val->i32 & _CBVM(ROARDSP_SPEEX_PREP_DENOISE); |
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| 108 | switch (ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)) { |
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| 109 | case ROARDSP_SPEEX_PREP_ON: si = _on; break; |
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| 110 | case ROARDSP_SPEEX_PREP_OFF: si = _off; break; |
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| 111 | default: return -1; |
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| 112 | } |
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| 113 | speex_preprocess_ctl(self->preprocess, SPEEX_PREPROCESS_SET_DENOISE, &si); |
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| 114 | } |
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| 115 | |
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| 116 | if ( val->i32 & _CBVM(ROARDSP_SPEEX_PREP_AGC) ) { |
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| 117 | val->i32 -= val->i32 & _CBVM(ROARDSP_SPEEX_PREP_AGC); |
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| 118 | switch (ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)) { |
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| 119 | case ROARDSP_SPEEX_PREP_ON: si = _on; break; |
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| 120 | case ROARDSP_SPEEX_PREP_OFF: si = _off; break; |
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| 121 | default: return -1; |
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| 122 | } |
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| 123 | speex_preprocess_ctl(self->preprocess, SPEEX_PREPROCESS_SET_AGC, &si); |
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| 124 | } |
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| 125 | |
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| 126 | if ( val->i32 & _CBVM(ROARDSP_SPEEX_PREP_VAD) ) { |
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| 127 | val->i32 -= val->i32 & _CBVM(ROARDSP_SPEEX_PREP_VAD); |
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| 128 | switch (ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)) { |
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| 129 | case ROARDSP_SPEEX_PREP_ON: si = _on; break; |
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| 130 | case ROARDSP_SPEEX_PREP_OFF: si = _off; break; |
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| 131 | default: return -1; |
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| 132 | } |
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| 133 | speex_preprocess_ctl(self->preprocess, SPEEX_PREPROCESS_SET_VAD, &si); |
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| 134 | } |
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| 135 | |
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| 136 | // any other options left? error: |
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| 137 | if ( val->i32 ) |
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| 138 | return -1; |
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| 139 | |
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| 140 | return 0; |
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| 141 | break; |
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[2996] | 142 | case ROARDSP_FCTL_PACKET_SIZE: |
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[3005] | 143 | self->frame_size = val->size; |
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[2996] | 144 | |
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| 145 | self->preprocess = speex_preprocess_state_init(self->frame_size, filter->rate); |
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| 146 | if ( self->preprocess == NULL ) |
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| 147 | return -1; |
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| 148 | |
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| 149 | return 0; |
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| 150 | break; |
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| 151 | } |
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| 152 | |
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| 153 | return -1; |
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| 154 | } |
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| 155 | |
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| 156 | int roardsp_speex_prep_reset (struct roardsp_filter * filter, int what) { |
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| 157 | if ( what == ROARDSP_RESET_NONE ) |
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| 158 | return 0; |
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| 159 | |
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| 160 | return -1; |
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| 161 | } |
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| 162 | #endif |
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| 163 | |
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| 164 | //ll |
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