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 - 2009-2010 |
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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, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | */ |
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25 | |
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26 | #include "libroardsp.h" |
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27 | |
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28 | #ifdef _SPEEX_TYPES_H |
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29 | |
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30 | #if defined(ROAR_HAVE_LIBSPEEX) && !defined(ROAR_HAVE_LIBSPEEXDSP) |
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31 | #define _SPEEX_API_OLD |
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32 | #define _SPEEX_INT int |
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33 | #elif defined(ROAR_HAVE_LIBSPEEX) && defined(ROAR_HAVE_LIBSPEEXDSP) |
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34 | #define _SPEEX_API_NEW |
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35 | #define _SPEEX_INT spx_int32_t |
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36 | #endif |
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37 | |
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38 | #define _on 1 |
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39 | #define _off 2 |
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40 | |
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41 | #define _CBVM(opt) (ROARDSP_SPEEX_PREP_CBV((opt), ROARDSP_SPEEX_PREP_MASK)) |
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42 | |
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43 | // TODO: check parameters we allready know: |
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44 | int roardsp_speex_prep_init (struct roardsp_filter * filter, struct roar_stream * stream, int id) { |
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45 | struct roardsp_speex_prep * self; |
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46 | |
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47 | if ( filter->channels != 1 ) |
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48 | return -1; |
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49 | |
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50 | if ( filter->bits != 16 ) |
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51 | return -1; |
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52 | |
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53 | self = roar_mm_malloc(sizeof(struct roardsp_speex_prep)); |
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54 | |
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55 | if ( self == NULL ) |
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56 | return -1; |
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57 | |
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58 | memset(self, 0, sizeof(struct roardsp_speex_prep)); |
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59 | |
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60 | filter->inst = self; |
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61 | |
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62 | return 0; |
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63 | } |
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64 | |
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65 | int roardsp_speex_prep_uninit (struct roardsp_filter * filter) { |
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66 | struct roardsp_speex_prep * self = filter->inst; |
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67 | |
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68 | if ( self->preprocess != NULL ) |
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69 | speex_preprocess_state_destroy(self->preprocess); |
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70 | |
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71 | roar_mm_free(self); |
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72 | |
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73 | return 0; |
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74 | } |
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75 | |
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76 | int roardsp_speex_prep_calc161(struct roardsp_filter * filter, void * data, size_t samples) { |
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77 | struct roardsp_speex_prep * self = filter->inst; |
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78 | |
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79 | if ( self->preprocess == NULL ) |
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80 | return -1; |
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81 | |
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82 | if ( samples != ((self->frame_size * filter->bits) / 8) ) |
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83 | return -1; |
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84 | |
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85 | #ifdef _SPEEX_API_OLD |
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86 | speex_preprocess(self->preprocess, data, NULL); |
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87 | #elif defined(_SPEEX_API_NEW) |
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88 | speex_preprocess_run(self->preprocess, data); |
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89 | #else |
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90 | return -1; |
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91 | #endif |
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92 | |
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93 | return 0; |
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94 | } |
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95 | |
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96 | int roardsp_speex_prep_ctl (struct roardsp_filter * filter, int cmd, void * data) { |
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97 | struct roardsp_speex_prep * self = filter->inst; |
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98 | union { |
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99 | size_t size; |
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100 | int32_t i32; |
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101 | } * val = data; |
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102 | _SPEEX_INT si; |
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103 | |
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104 | switch (cmd) { |
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105 | case ROARDSP_FCTL_MODE: |
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106 | if ( self->preprocess == NULL ) |
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107 | return -1; |
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108 | |
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109 | ROAR_DBG("roardsp_speex_prep_ctl(*): val->i32 = 0x%.8x", val->i32); |
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110 | ROAR_DBG("roardsp_speex_prep_ctl(*): _CBVM(ROARDSP_SPEEX_PREP_DENOISE) = 0x%.8x", _CBVM(ROARDSP_SPEEX_PREP_DENOISE)); |
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111 | |
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112 | if ( val->i32 & _CBVM(ROARDSP_SPEEX_PREP_DENOISE) ) { |
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113 | ROAR_DBG("roardsp_speex_prep_ctl(*): ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32) = 0x%.8x", ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)); |
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114 | switch (ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)) { |
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115 | case ROARDSP_SPEEX_PREP_ON: si = _on; break; |
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116 | case ROARDSP_SPEEX_PREP_OFF: si = _off; break; |
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117 | default: return -1; |
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118 | } |
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119 | speex_preprocess_ctl(self->preprocess, SPEEX_PREPROCESS_SET_DENOISE, &si); |
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120 | val->i32 -= val->i32 & _CBVM(ROARDSP_SPEEX_PREP_DENOISE); |
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121 | } |
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122 | |
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123 | if ( val->i32 & _CBVM(ROARDSP_SPEEX_PREP_AGC) ) { |
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124 | switch (ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)) { |
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125 | case ROARDSP_SPEEX_PREP_ON: si = _on; break; |
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126 | case ROARDSP_SPEEX_PREP_OFF: si = _off; break; |
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127 | default: return -1; |
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128 | } |
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129 | speex_preprocess_ctl(self->preprocess, SPEEX_PREPROCESS_SET_AGC, &si); |
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130 | val->i32 -= val->i32 & _CBVM(ROARDSP_SPEEX_PREP_AGC); |
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131 | } |
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132 | |
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133 | if ( val->i32 & _CBVM(ROARDSP_SPEEX_PREP_VAD) ) { |
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134 | switch (ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)) { |
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135 | case ROARDSP_SPEEX_PREP_ON: si = _on; break; |
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136 | case ROARDSP_SPEEX_PREP_OFF: si = _off; break; |
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137 | default: return -1; |
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138 | } |
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139 | speex_preprocess_ctl(self->preprocess, SPEEX_PREPROCESS_SET_VAD, &si); |
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140 | val->i32 -= val->i32 & _CBVM(ROARDSP_SPEEX_PREP_VAD); |
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141 | } |
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142 | |
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143 | // any other options left? error: |
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144 | if ( val->i32 ) |
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145 | return -1; |
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146 | |
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147 | return 0; |
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148 | break; |
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149 | case ROARDSP_FCTL_PACKET_SIZE: |
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150 | self->frame_size = val->size; |
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151 | |
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152 | self->preprocess = speex_preprocess_state_init(self->frame_size, filter->rate); |
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153 | if ( self->preprocess == NULL ) |
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154 | return -1; |
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155 | |
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156 | return 0; |
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157 | break; |
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158 | } |
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159 | |
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160 | return -1; |
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161 | } |
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162 | |
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163 | int roardsp_speex_prep_reset (struct roardsp_filter * filter, int what) { |
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164 | if ( what == ROARDSP_RESET_NONE ) |
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165 | return 0; |
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166 | |
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167 | return -1; |
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168 | } |
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169 | #endif |
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170 | |
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171 | //ll |
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