1 | //roarphone.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 roarclients 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 | * RoarAudio 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 <roaraudio.h> |
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26 | #include <libroardsp/libroardsp.h> |
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27 | #include <libroareio/libroareio.h> |
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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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31 | #elif defined(ROAR_HAVE_LIBSPEEX) && defined(ROAR_HAVE_LIBSPEEXDSP) |
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32 | #define _SPEEX_API_NEW |
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33 | #endif |
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34 | |
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35 | #ifdef _SPEEX_API_OLD |
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36 | #include <speex/speex_echo.h> |
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37 | #endif |
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38 | |
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39 | #define TIMEDIV 100 |
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40 | |
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41 | #define DRIVER "oss" |
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42 | |
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43 | // anti echo: |
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44 | #define AE_NONE 0 |
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45 | #define AE_SIMPLE 1 |
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46 | #define AE_SPEEX 2 |
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47 | #define AE_ROARD 3 |
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48 | |
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49 | #define DTX_F 25 |
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50 | |
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51 | #define CON_NONE 0x00 |
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52 | #define CON_CON 0x01 |
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53 | #define CON_STREAM 0x02 |
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54 | |
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55 | struct { |
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56 | int antiecho; |
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57 | int samples; |
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58 | int transcode; |
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59 | int64_t dtx_threshold; |
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60 | } g_conf; |
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61 | |
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62 | int dtx_counter = 0; |
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63 | |
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64 | struct { |
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65 | int state; |
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66 | struct roar_connection con; |
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67 | struct roar_stream stream; |
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68 | struct roar_vio_calls * svio; |
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69 | } g_cons; |
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70 | |
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71 | struct roar_bixcoder transcoder[1]; |
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72 | |
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73 | struct { |
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74 | struct { |
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75 | char key[ROAR_META_MAX_NAMELEN]; |
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76 | char value[LIBROAR_BUFFER_MSGDATA]; |
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77 | } tmp; |
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78 | char * rn; |
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79 | char * nick; |
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80 | char * org; |
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81 | char * email; |
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82 | char * hp; |
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83 | char * loc; |
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84 | char * thumbnail; |
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85 | } g_meta; |
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86 | |
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87 | void usage (void) { |
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88 | printf("roarphone [OPTIONS]...\n"); |
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89 | |
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90 | printf("\nServer Options:\n\n"); |
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91 | |
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92 | printf(" --server SERVER - Set server hostname\n" |
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93 | ); |
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94 | |
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95 | printf("\nAudio Options:\n\n"); |
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96 | printf(" --rate RATE - Set sample rate\n" |
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97 | " --bits BITS - Set bits per sample\n" |
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98 | " --chans CHANNELS - Set number of channels\n" |
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99 | ); |
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100 | |
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101 | printf("\nCodec Options:\n\n"); |
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102 | printf(" --codec CODEC - Set the codec\n" |
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103 | " --transcode - Use local transcodeing\n" |
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104 | ); |
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105 | |
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106 | printf("\nDriver Options:\n\n"); |
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107 | printf(" --driver DRIVER - Set the driver\n" |
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108 | " --device DEVICE - Set the device\n" |
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109 | ); |
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110 | |
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111 | printf("\nGeneral Options:\n\n"); |
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112 | printf(" --antiecho AEMODE - Set the anti echo mode\n" |
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113 | " --threshold DTXTHRES - Set the DTX threshold, disabled by default\n" |
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114 | " --help - Show this help\n" |
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115 | ); |
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116 | |
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117 | printf("\nMeta Data Options:\n\n"); |
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118 | printf(" --m-rn REALNAME - Sets the real name\n" |
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119 | " --m-nick NICK - Sets the nick name\n" |
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120 | " --m-email EMAIL - Sets the email address\n" |
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121 | " --m-hp HOMEPAGE - Sets the homepage URL\n" |
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122 | " --m-thumbn THUMBNAIL - Sets a URL to a thumbnail\n" |
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123 | " --m-loc LOCATION - Sets the location (room number)\n" |
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124 | " --m-org ORGANIZATION - Sets the organization/company name\n" |
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125 | ); |
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126 | } |
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127 | |
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128 | int open_stream (struct roar_vio_calls * vio, char * server, struct roar_audio_info * info) { |
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129 | int fh; |
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130 | |
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131 | g_cons.svio = vio; |
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132 | |
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133 | if ( !(g_cons.state & CON_CON) ) |
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134 | if ( roar_simple_connect(&(g_cons.con), server, "roarphone") == -1 ) |
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135 | return -1; |
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136 | |
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137 | g_cons.state |= CON_CON; |
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138 | |
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139 | // TODO: find out if this can be done more nicely by using VIOs |
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140 | |
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141 | if ( (fh = roar_simple_new_stream_obj(&(g_cons.con), &(g_cons.stream), |
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142 | info->rate, info->channels, info->bits, info->codec, |
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143 | ROAR_DIR_BIDIR |
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144 | )) == -1 ) |
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145 | return -1; |
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146 | |
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147 | roar_vio_open_fh_socket(vio, fh); |
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148 | |
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149 | g_cons.state |= CON_STREAM; |
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150 | |
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151 | return 0; |
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152 | } |
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153 | |
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154 | #define _SET_META(ivar,itype) if ( (ivar) != NULL ) { \ |
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155 | meta.value = (ivar); \ |
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156 | meta.type = (itype); \ |
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157 | roar_stream_meta_set(&(g_cons.con), &(g_cons.stream), ROAR_META_MODE_SET, &meta); \ |
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158 | } |
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159 | int set_meta (void) { |
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160 | struct roar_meta meta; |
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161 | |
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162 | meta.value = g_meta.tmp.value; |
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163 | meta.key[0] = 0; |
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164 | meta.type = ROAR_META_TYPE_NONE; |
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165 | |
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166 | roar_stream_meta_set(&(g_cons.con), &(g_cons.stream), ROAR_META_MODE_CLEAR, &meta); |
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167 | |
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168 | _SET_META(g_meta.thumbnail, ROAR_META_TYPE_THUMBNAIL); |
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169 | _SET_META(g_meta.loc, ROAR_META_TYPE_LOCATION); |
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170 | _SET_META(g_meta.hp, ROAR_META_TYPE_HOMEPAGE); |
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171 | _SET_META(g_meta.org, ROAR_META_TYPE_ORGANIZATION); |
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172 | |
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173 | if ( g_meta.nick != NULL ) { |
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174 | if ( g_meta.rn != NULL ) { |
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175 | snprintf(g_meta.tmp.value, LIBROAR_BUFFER_MSGDATA-1, "%s (%s)", g_meta.rn, g_meta.nick); |
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176 | g_meta.tmp.value[LIBROAR_BUFFER_MSGDATA-1] = 0; |
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177 | _SET_META(g_meta.tmp.value, ROAR_META_TYPE_AUTHOR); |
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178 | } else { |
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179 | _SET_META(g_meta.nick, ROAR_META_TYPE_AUTHOR); |
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180 | } |
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181 | } else { |
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182 | if ( g_meta.rn != NULL ) { |
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183 | _SET_META(g_meta.rn, ROAR_META_TYPE_AUTHOR); |
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184 | } |
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185 | } |
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186 | |
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187 | // TODO: make this more nice... |
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188 | if ( g_meta.email != NULL ) { |
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189 | if ( g_meta.nick != NULL ) { |
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190 | if ( g_meta.rn != NULL ) { |
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191 | snprintf(g_meta.tmp.value, LIBROAR_BUFFER_MSGDATA-1, "%s (%s) <%s>", g_meta.rn, g_meta.nick, g_meta.email); |
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192 | } else { |
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193 | snprintf(g_meta.tmp.value, LIBROAR_BUFFER_MSGDATA-1, "%s <%s>", g_meta.nick, g_meta.email); |
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194 | } |
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195 | } else { |
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196 | if ( g_meta.rn != NULL ) { |
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197 | snprintf(g_meta.tmp.value, LIBROAR_BUFFER_MSGDATA-1, "%s <%s>", g_meta.rn, g_meta.email); |
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198 | } else { |
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199 | snprintf(g_meta.tmp.value, LIBROAR_BUFFER_MSGDATA-1, "<%s>", g_meta.email); |
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200 | } |
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201 | } |
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202 | g_meta.tmp.value[LIBROAR_BUFFER_MSGDATA-1] = 0; |
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203 | _SET_META(g_meta.tmp.value, ROAR_META_TYPE_CONTACT); |
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204 | } |
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205 | |
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206 | return 0; |
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207 | } |
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208 | |
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209 | #ifdef _SPEEX_API_OLD |
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210 | int anti_echo_speex16(int16_t * buf, int16_t * aebuf, size_t len, struct roar_audio_info * info) { |
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211 | static SpeexEchoState * state = NULL; |
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212 | size_t samples = info->rate / TIMEDIV; |
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213 | static int16_t * obuf = NULL; |
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214 | |
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215 | if ( info->channels != 1 ) |
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216 | return -1; |
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217 | |
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218 | if (len != samples) |
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219 | return -1; |
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220 | |
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221 | ROAR_DBG("anti_echo_speex16(*) = ?"); |
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222 | |
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223 | if ( state == NULL ) { |
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224 | if ( (state = speex_echo_state_init(samples, 100*samples)) == NULL ) |
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225 | return -1; |
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226 | |
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227 | // todo: set sample rate. |
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228 | } |
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229 | |
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230 | ROAR_DBG("anti_echo_speex16(*) = ?"); |
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231 | |
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232 | if ( obuf == NULL ) { |
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233 | if ( (obuf = malloc(2*samples)) == NULL ) |
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234 | return -1; |
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235 | } |
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236 | |
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237 | ROAR_DBG("anti_echo_speex16(*) = ?"); |
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238 | |
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239 | /* |
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240 | speex_echo_cancellation(state, buf, aebuf, obuf); |
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241 | */ |
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242 | |
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243 | speex_echo_cancel(state, buf, aebuf, obuf, NULL); |
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244 | |
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245 | memcpy(buf, obuf, 2*samples); |
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246 | |
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247 | ROAR_DBG("anti_echo_speex16(*) = 0"); |
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248 | |
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249 | return 0; |
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250 | } |
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251 | #endif |
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252 | |
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253 | int anti_echo16(int16_t * buf, int16_t * aebuf, size_t len, struct roar_audio_info * info) { |
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254 | size_t i; |
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255 | |
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256 | switch (g_conf.antiecho) { |
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257 | case AE_NONE: |
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258 | return 0; |
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259 | break; |
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260 | case AE_SIMPLE: |
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261 | for (i = 0; i < len; i++) |
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262 | buf[i] -= aebuf[i]; |
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263 | return 0; |
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264 | break; |
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265 | #ifdef _SPEEX_API_OLD |
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266 | case AE_SPEEX: |
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267 | return anti_echo_speex16(buf, aebuf, len, info); |
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268 | break; |
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269 | #endif |
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270 | case AE_ROARD: |
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271 | return 0; |
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272 | break; |
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273 | default: |
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274 | return -1; |
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275 | break; |
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276 | } |
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277 | |
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278 | return -1; |
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279 | } |
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280 | |
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281 | int zero_if_noise16 (int16_t * data, size_t samples) { |
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282 | int64_t rms = roar_rms2_1_16(data, samples); |
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283 | |
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284 | if ( rms < g_conf.dtx_threshold ) { |
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285 | if ( dtx_counter ) { |
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286 | dtx_counter--; |
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287 | } else { |
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288 | memset(data, 0, samples*2); |
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289 | } |
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290 | } else { |
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291 | dtx_counter = DTX_F; |
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292 | } |
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293 | |
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294 | return 0; |
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295 | } |
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296 | |
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297 | int run_stream (struct roar_vio_calls * s0, struct roar_vio_calls * s1, struct roar_audio_info * info) { |
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298 | size_t len; |
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299 | void * outbuf, * micbuf; |
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300 | ssize_t outlen, miclen; |
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301 | |
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302 | ROAR_DBG("run_stream(*): g_conf.samples = %i, info->bits = %i", g_conf.samples, info->bits); |
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303 | len = g_conf.samples * info->bits / 8; |
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304 | ROAR_DBG("run_stream(*): len=%lu", (unsigned long) len); |
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305 | |
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306 | if ( (outbuf = malloc(2*len)) == NULL ) |
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307 | return -1; |
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308 | |
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309 | micbuf = outbuf + len; |
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310 | |
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311 | while (1) { |
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312 | if ( (miclen = roar_vio_read(s0, micbuf, len)) <= 0 ) |
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313 | break; |
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314 | |
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315 | if ( g_conf.dtx_threshold > 0 ) |
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316 | if ( info->bits == 16 ) |
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317 | zero_if_noise16(micbuf, miclen/2); |
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318 | |
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319 | if ( g_conf.transcode ) { |
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320 | if ( roar_bixcoder_write_packet(transcoder, micbuf, miclen) == -1 ) |
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321 | break; |
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322 | } else { |
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323 | if ( roar_vio_write(s1, micbuf, miclen) != miclen ) |
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324 | break; |
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325 | } |
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326 | |
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327 | if ( g_conf.transcode ) { |
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328 | ROAR_DBG("run_stream(*): outbuf=%p, len=%lu", outbuf, (unsigned long) len); |
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329 | if ( roar_bixcoder_read_packet(transcoder, outbuf, len) == -1 ) |
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330 | break; |
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331 | |
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332 | outlen = len; |
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333 | } else { |
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334 | if ( (outlen = roar_vio_read(s1, outbuf, len)) <= 0 ) |
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335 | break; |
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336 | } |
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337 | |
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338 | if ( g_conf.antiecho != AE_NONE && info->bits == 16 ) |
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339 | anti_echo16(outbuf, micbuf, ROAR_MIN(miclen, outlen)/2, info); |
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340 | |
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341 | if ( roar_vio_write(s0, outbuf, outlen) != outlen ) |
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342 | break; |
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343 | } |
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344 | |
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345 | free(outbuf); |
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346 | |
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347 | return 0; |
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348 | } |
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349 | |
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350 | int main (int argc, char * argv[]) { |
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351 | struct roar_audio_info info = {.rate = ROAR_RATE_DEFAULT, |
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352 | .bits = ROAR_BITS_DEFAULT, |
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353 | .channels = ROAR_CHANNELS_DEFAULT, |
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354 | .codec = ROAR_CODEC_DEFAULT |
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355 | }; |
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356 | struct roar_audio_info dinfo; |
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357 | struct roar_vio_calls dvio, svio, svio_real; |
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358 | char * driver = DRIVER; |
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359 | char * device = NULL; |
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360 | char * server = NULL; |
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361 | char * k; |
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362 | int i; |
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363 | |
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364 | memset(&g_conf, 0, sizeof(g_conf)); |
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365 | |
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366 | g_conf.antiecho = AE_ROARD; |
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367 | g_conf.dtx_threshold = -1; |
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368 | |
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369 | memset(&g_cons, 0, sizeof(g_cons)); |
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370 | g_cons.state = CON_NONE; |
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371 | |
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372 | memset(&g_meta, 0, sizeof(g_meta)); |
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373 | |
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374 | for (i = 1; i < argc; i++) { |
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375 | k = argv[i]; |
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376 | |
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377 | if ( strcmp(k, "--server") == 0 ) { |
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378 | server = argv[++i]; |
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379 | } else if ( strcmp(k, "--rate") == 0 ) { |
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380 | info.rate = atoi(argv[++i]); |
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381 | } else if ( strcmp(k, "--bits") == 0 ) { |
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382 | info.bits = atoi(argv[++i]); |
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383 | } else if ( strcmp(k, "--channels") == 0 || strcmp(k, "--chans") == 0 ) { |
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384 | info.channels = atoi(argv[++i]); |
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385 | } else if ( strcmp(k, "--codec") == 0 ) { |
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386 | info.codec = roar_str2codec(argv[++i]); |
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387 | } else if ( strcmp(k, "--driver") == 0 ) { |
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388 | driver = argv[++i]; |
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389 | } else if ( strcmp(k, "--device") == 0 ) { |
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390 | device = argv[++i]; |
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391 | } else if ( strcmp(k, "--antiecho") == 0 ) { |
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392 | k = argv[++i]; |
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393 | if ( !strcmp(k, "none") ) { |
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394 | g_conf.antiecho = AE_NONE; |
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395 | } else if ( !strcmp(k, "simple") ) { |
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396 | g_conf.antiecho = AE_SIMPLE; |
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397 | } else if ( !strcmp(k, "speex") ) { |
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398 | g_conf.antiecho = AE_SPEEX; |
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399 | } else if ( !strcmp(k, "roard") ) { |
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400 | g_conf.antiecho = AE_ROARD; |
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401 | } else { |
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402 | fprintf(stderr, "Error: unknown mode: %s\n", k); |
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403 | return 1; |
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404 | } |
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405 | } else if ( strcmp(k, "--threshold") == 0 ) { |
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406 | g_conf.dtx_threshold = atol(argv[++i]); |
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407 | |
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408 | // use threshold^2 or threshold < 0 for not using DTX |
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409 | if ( g_conf.dtx_threshold > 0 ) |
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410 | g_conf.dtx_threshold *= g_conf.dtx_threshold; |
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411 | } else if ( strcmp(k, "--transcode") == 0 ) { |
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412 | g_conf.transcode = 1; |
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413 | |
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414 | // META DATA: |
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415 | } else if ( strcmp(k, "--m-rn") == 0 ) { |
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416 | g_meta.rn = argv[++i]; |
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417 | } else if ( strcmp(k, "--m-nick") == 0 ) { |
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418 | g_meta.nick = argv[++i]; |
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419 | } else if ( strcmp(k, "--m-email") == 0 ) { |
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420 | g_meta.email = argv[++i]; |
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421 | } else if ( strcmp(k, "--m-hp") == 0 ) { |
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422 | g_meta.hp = argv[++i]; |
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423 | } else if ( strcmp(k, "--m-thumbn") == 0 ) { |
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424 | g_meta.thumbnail = argv[++i]; |
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425 | } else if ( strcmp(k, "--m-loc") == 0 ) { |
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426 | g_meta.loc = argv[++i]; |
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427 | } else if ( strcmp(k, "--m-org") == 0 ) { |
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428 | g_meta.org = argv[++i]; |
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429 | |
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430 | |
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431 | } else if ( strcmp(k, "--help") == 0 ) { |
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432 | usage(); |
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433 | return 0; |
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434 | } else { |
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435 | fprintf(stderr, "Error: unknown argument: %s\n", k); |
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436 | usage(); |
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437 | return 1; |
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438 | } |
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439 | } |
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440 | |
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441 | // ignore errors, maybe it will work even if this fails |
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442 | // (btw. it will never fail without crashing the rest of the app ;) |
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443 | roar_libroar_set_server(server); |
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444 | |
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445 | if ( g_conf.antiecho == AE_SPEEX ) { |
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446 | ROAR_WARN("Speex Antiecho is obsolete and may be removed in future versions. Use --antiecho roard"); |
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447 | } |
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448 | |
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449 | g_conf.samples = info.channels * info.rate / TIMEDIV; |
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450 | |
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451 | memcpy(&dinfo, &info, sizeof(dinfo)); |
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452 | |
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453 | if ( g_conf.transcode ) { |
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454 | dinfo.bits = 16; |
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455 | dinfo.codec = ROAR_CODEC_DEFAULT; |
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456 | |
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457 | switch (info.codec) { |
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458 | case ROAR_CODEC_ALAW: |
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459 | case ROAR_CODEC_MULAW: |
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460 | info.bits = 8; |
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461 | break; |
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462 | case ROAR_CODEC_ROAR_CELT: |
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463 | info.bits = 16; |
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464 | break; |
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465 | case ROAR_CODEC_ROAR_SPEEX: |
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466 | info.bits = 16; |
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467 | break; |
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468 | } |
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469 | } |
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470 | |
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471 | if ( roar_cdriver_open(&dvio, driver, device, &dinfo, ROAR_DIR_BIDIR) == -1 ) { |
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472 | ROAR_ERR("Can not open sound card."); |
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473 | return 1; |
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474 | } |
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475 | |
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476 | ROAR_DBG("main(*): CALL open_stream(&svio, server, &info)"); |
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477 | if ( open_stream(&svio_real, server, &info) == -1 ) { |
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478 | ROAR_ERR("Can not open connection to server."); |
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479 | roar_vio_close(&dvio); |
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480 | return 2; |
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481 | } |
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482 | ROAR_DBG("main(*): RET"); |
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483 | |
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484 | if ( roar_vio_open_re(&svio, &svio_real) == -1 ) { |
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485 | ROAR_ERR("Can not open connection to server (RE VIO)."); |
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486 | roar_vio_close(&dvio); |
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487 | return 2; |
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488 | } |
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489 | |
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490 | set_meta(); |
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491 | |
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492 | if ( g_conf.transcode ) { |
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493 | dinfo.codec = info.codec; |
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494 | |
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495 | if ( roar_bixcoder_init(transcoder, &dinfo, &svio) == -1 ) { |
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496 | roar_vio_close(&svio); |
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497 | roar_vio_close(&dvio); |
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498 | return 10; |
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499 | } |
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500 | |
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501 | g_conf.samples = 8 * roar_bixcoder_packet_size(transcoder, -1) / dinfo.bits; |
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502 | } |
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503 | |
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504 | ROAR_DBG("main(*): CALL run_stream(&dvio, &svio, &info);"); |
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505 | run_stream(&dvio, &svio, &info); |
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506 | ROAR_DBG("main(*): RET"); |
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507 | |
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508 | roar_bixcoder_close(transcoder); |
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509 | |
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510 | roar_vio_close(&svio); |
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511 | roar_vio_close(&dvio); |
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512 | |
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513 | roar_disconnect(&(g_cons.con)); |
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514 | |
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515 | return 0; |
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516 | } |
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517 | |
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518 | //ll |
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