1 | //esdctl.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2015 |
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5 | * The code (may) include prototypes and comments (and maybe |
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6 | * other code fragements) from EsounD. |
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7 | * They are mostly copyrighted by Eric B. Mitchell (aka 'Ricdude) |
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8 | * <ericmit@ix.netcom.com>. For more information see AUTHORS.esd. |
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9 | * |
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10 | * This file is part of libroaresd a part of RoarAudio, |
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11 | * a cross-platform sound system for both, home and professional use. |
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12 | * See README for details. |
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13 | * |
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14 | * This file is free software; you can redistribute it and/or modify |
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15 | * it under the terms of the GNU General Public License version 3 |
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16 | * as published by the Free Software Foundation. |
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17 | * |
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18 | * RoarAudio is distributed in the hope that it will be useful, |
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19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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21 | * GNU General Public License for more details. |
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22 | * |
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23 | * You should have received a copy of the GNU General Public License |
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24 | * along with this software; see the file COPYING. If not, write to |
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25 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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26 | * Boston, MA 02110-1301, USA. |
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27 | * |
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28 | * NOTE for everyone want's to change something and send patches: |
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29 | * read README and HACKING! There a addition information on |
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30 | * the license of this document you need to read before you send |
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31 | * any patches. |
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32 | * |
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33 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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34 | * or libpulse*: |
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35 | * The libs libroaresd, libroararts and libroarpulse link this libroar |
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36 | * and are therefore GPL. Because of this it may be illigal to use |
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37 | * them with any software that uses libesd, libartsc or libpulse*. |
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38 | */ |
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39 | |
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40 | #include "libroaresd.h" |
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41 | |
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42 | /* lock/unlock will disable/enable foreign clients from connecting */ |
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43 | |
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44 | // we do not have such a thing at the moment... |
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45 | // so always return -1 |
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46 | int esd_lock( int esd ) { |
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47 | (void)esd; |
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48 | errno = ENOSYS; |
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49 | return -1; |
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50 | } |
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51 | int esd_unlock( int esd ) { |
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52 | (void)esd; |
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53 | errno = ENOSYS; |
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54 | return -1; |
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55 | } |
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56 | |
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57 | /* standby/resume will free/reclaim audio device so others may use it */ |
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58 | int esd_standby( int esd ) { |
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59 | struct roar_connection con; |
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60 | |
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61 | roar_connect_fh(&con, esd); |
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62 | |
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63 | return roar_set_standby(&con, ROAR_STANDBY_ACTIVE); |
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64 | } |
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65 | |
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66 | int esd_resume( int esd ) { |
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67 | struct roar_connection con; |
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68 | |
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69 | roar_connect_fh(&con, esd); |
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70 | |
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71 | return roar_set_standby(&con, ROAR_STANDBY_INACTIVE); |
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72 | } |
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73 | |
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74 | static void _format2str(char * buf, size_t len, esd_format_t format) { |
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75 | |
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76 | if ( (format & ESD_BITS16) == ESD_BITS16 ) { |
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77 | roar_mm_strlcat(buf, "16 bit ", len); |
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78 | } else { |
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79 | roar_mm_strlcat(buf, "8 bit ", len); |
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80 | } |
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81 | |
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82 | if ( (format & ESD_STEREO) == ESD_STEREO ) { |
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83 | roar_mm_strlcat(buf, "stereo ", len); |
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84 | } else { |
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85 | roar_mm_strlcat(buf, "mono ", len); |
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86 | } |
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87 | } |
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88 | |
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89 | /* print server into to stdout */ |
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90 | void esd_print_server_info(esd_server_info_t *server_info ) { |
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91 | char buf[80] = ""; |
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92 | |
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93 | _format2str(buf, sizeof(buf), server_info->format); |
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94 | |
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95 | printf("server version = %i\n", server_info->version); |
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96 | printf("server format = 0x%08x %s\n", server_info->format, buf); |
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97 | printf("server rate = %i\n", server_info->rate); |
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98 | } |
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99 | |
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100 | void esd_print_player_info( esd_player_info_t *player_info ) { |
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101 | char buf[80] = ""; |
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102 | |
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103 | _format2str(buf, sizeof(buf), player_info->format); |
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104 | |
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105 | printf("player %i name = %s\n", player_info->source_id, player_info->name); |
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106 | printf("player %i format = 0x%08x %s\n", player_info->source_id, player_info->format, buf); |
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107 | printf("player %i rate = %i\n", player_info->source_id, player_info->rate); |
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108 | printf("player %i left = %i\n", player_info->source_id, player_info->left_vol_scale ); |
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109 | printf("player %i right = %i\n", player_info->source_id, player_info->right_vol_scale ); |
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110 | } |
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111 | |
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112 | void esd_print_sample_info( esd_sample_info_t *sample_info ) { |
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113 | char buf[80] = ""; |
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114 | |
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115 | _format2str(buf, sizeof(buf), sample_info->format); |
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116 | |
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117 | printf("sample %i name = %s\n", sample_info->sample_id, sample_info->name); |
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118 | printf("sample %i format = 0x%08x %s\n", sample_info->sample_id, sample_info->format, buf); |
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119 | printf("sample %i rate = %i\n", sample_info->sample_id, sample_info->rate); |
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120 | printf("sample %i left = %i\n", sample_info->sample_id, sample_info->left_vol_scale); |
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121 | printf("sample %i right = %i\n", sample_info->sample_id, sample_info->right_vol_scale); |
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122 | printf("sample %i length = %i\n", sample_info->sample_id, sample_info->length); |
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123 | } |
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124 | |
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125 | /* print all info to stdout */ |
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126 | void esd_print_all_info( esd_info_t *all_info ) { |
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127 | esd_player_info_t *player; |
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128 | esd_sample_info_t *sample; |
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129 | |
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130 | |
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131 | esd_print_server_info(all_info->server); |
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132 | |
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133 | player = all_info->player_list; |
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134 | |
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135 | while (player) { |
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136 | esd_print_player_info(player); |
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137 | player = player->next; |
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138 | } |
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139 | |
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140 | sample = all_info->sample_list; |
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141 | |
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142 | while (sample) { |
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143 | esd_print_sample_info(sample); |
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144 | sample = sample->next; |
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145 | } |
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146 | |
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147 | } |
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148 | |
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149 | /* retrieve server properties (sample rate, format, version number) */ |
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150 | esd_server_info_t *esd_get_server_info( int esd ) { |
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151 | esd_server_info_t * r; |
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152 | struct roar_stream s; |
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153 | struct roar_connection con; |
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154 | struct roar_message m; |
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155 | |
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156 | r = roar_mm_malloc(sizeof(esd_server_info_t)); |
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157 | |
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158 | if ( r == NULL ) |
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159 | return NULL; |
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160 | |
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161 | r->version = 0; // seems to be static |
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162 | |
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163 | roar_connect_fh(&con, esd); |
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164 | |
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165 | memset(&m, 0, sizeof(m)); |
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166 | |
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167 | m.cmd = ROAR_CMD_SERVER_OINFO; |
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168 | m.datalen = 0; |
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169 | |
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170 | if ( roar_req(&con, &m, NULL) == -1 ) { |
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171 | roar_mm_free(r); |
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172 | return NULL; |
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173 | } |
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174 | |
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175 | if ( m.cmd != ROAR_CMD_OK ) { |
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176 | roar_mm_free(r); |
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177 | return NULL; |
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178 | } |
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179 | |
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180 | if ( roar_stream_m2s(&s, &m) == -1 ) { |
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181 | roar_mm_free(r); |
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182 | return NULL; |
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183 | } |
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184 | |
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185 | r->rate = s.info.rate; |
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186 | r->format = 0; |
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187 | |
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188 | if ( s.info.channels == 1 ) |
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189 | r->format |= ESD_MONO; |
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190 | else |
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191 | r->format |= ESD_STEREO; |
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192 | |
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193 | if ( s.info.bits == 8 ) |
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194 | r->format |= ESD_BITS8; |
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195 | else |
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196 | r->format |= ESD_BITS16; |
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197 | |
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198 | return r; |
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199 | } |
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200 | /* release all memory allocated for the server properties structure */ |
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201 | void esd_free_server_info( esd_server_info_t *server_info ) { |
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202 | if (server_info != NULL) |
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203 | roar_mm_free(server_info); |
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204 | } |
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205 | |
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206 | /* retrieve all information from server */ |
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207 | esd_info_t *esd_get_all_info( int esd ) { |
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208 | esd_info_t * r; |
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209 | int i; |
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210 | int num; |
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211 | int clients[ROAR_CLIENTS_MAX]; |
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212 | struct roar_client c; |
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213 | struct roar_stream s; |
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214 | struct roar_connection con[1]; |
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215 | struct roar_mixer_settings mixer; |
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216 | int channels; |
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217 | float fs; |
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218 | esd_player_info_t * new_player, * cur = NULL; // = NULL to avoid gcc warning |
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219 | |
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220 | roar_connect_fh(con, esd); |
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221 | |
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222 | r = roar_mm_malloc(sizeof(esd_info_t)); |
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223 | |
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224 | if ( r == NULL ) |
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225 | return NULL; |
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226 | |
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227 | r->server = esd_get_server_info(esd); |
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228 | r->player_list = NULL; |
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229 | r->sample_list = NULL; |
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230 | |
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231 | if ( (num = roar_list_clients(con, clients, ROAR_CLIENTS_MAX)) == -1 ) { |
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232 | ROAR_ERR("esd_get_all_info(*): can not get client list"); |
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233 | num = 0; |
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234 | } |
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235 | |
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236 | for (i = 0; i < num; i++) { |
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237 | if ( roar_get_client(con, &c, clients[i]) == -1 ) { |
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238 | ROAR_ERR("esd_get_all_info(*): can not get client info"); |
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239 | continue; |
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240 | } |
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241 | |
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242 | if ( c.execed != -1 ) { |
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243 | if ( roar_get_stream(con, &s, c.execed) == -1 ) { |
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244 | ROAR_ERR("esd_get_all_info(*): can not get stream info"); |
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245 | continue; |
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246 | } |
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247 | |
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248 | if ( (new_player = roar_mm_malloc(sizeof(esd_player_info_t))) == NULL ) { |
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249 | ROAR_ERR("esd_get_all_info(*): can not alloc memory for new player! BAD"); |
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250 | continue; |
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251 | } |
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252 | |
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253 | new_player->next = NULL; |
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254 | |
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255 | new_player->source_id = c.execed; |
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256 | new_player->rate = s.info.rate; |
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257 | |
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258 | new_player->format = ROAR_S2ESD(&s); |
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259 | // sprintf(new_player->name, "roar stream %i", c.execed); |
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260 | strncpy(new_player->name, c.name, ESD_NAME_MAX < ROAR_BUFFER_NAME ? ESD_NAME_MAX : ESD_NAME_MAX); |
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261 | |
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262 | new_player->server = r->server; |
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263 | |
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264 | if ( roar_get_vol(con, c.execed, &mixer, &channels) == -1 ) { |
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265 | ROAR_ERR("esd_get_all_info(*): can not get stream mixer info"); |
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266 | new_player->left_vol_scale = new_player->right_vol_scale = 256; |
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267 | } else { |
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268 | fs = mixer.scale / 257; |
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269 | if ( channels == 1 ) { |
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270 | new_player->left_vol_scale = new_player->right_vol_scale = mixer.mixer[0] == mixer.scale ? 256 : mixer.mixer[0] / fs; |
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271 | } else { |
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272 | if ( channels != 2 ) { |
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273 | ROAR_ERR("esd_get_all_info(*): server seems to run in > 2 channel mode. ignoring any but the first two channels!"); |
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274 | } |
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275 | new_player->left_vol_scale = mixer.mixer[0] == mixer.scale ? 256 : mixer.mixer[0] / fs; |
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276 | new_player->right_vol_scale = mixer.mixer[1] == mixer.scale ? 256 : mixer.mixer[1] / fs; |
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277 | } |
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278 | } |
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279 | |
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280 | |
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281 | if ( r->player_list == NULL ) { |
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282 | r->player_list = cur = new_player; |
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283 | } else { |
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284 | cur->next = new_player; // add to old player |
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285 | cur = new_player; // hop to next player |
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286 | } |
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287 | |
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288 | } |
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289 | } |
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290 | |
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291 | return r; |
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292 | } |
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293 | |
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294 | /* retrieve all information from server, and update until unsubsribed or closed */ |
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295 | esd_info_t *esd_subscribe_all_info( int esd ) { |
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296 | (void)esd; |
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297 | errno = ENOSYS; |
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298 | return NULL; // Not yet implemented in upstream esd |
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299 | } |
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300 | |
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301 | /* call to update the info structure with new information, and call callbacks */ |
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302 | esd_info_t *esd_update_info( int esd, esd_info_t *info, |
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303 | esd_update_info_callbacks_t *callbacks ) { |
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304 | (void)esd, (void)info, (void)callbacks; |
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305 | errno = ENOSYS; |
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306 | return NULL; // Not yet implemented in upstream esd |
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307 | } |
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308 | |
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309 | esd_info_t *esd_unsubscribe_info( int esd ) { |
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310 | (void)esd; |
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311 | errno = ENOSYS; |
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312 | return NULL; // Not yet implemented in upstream esd |
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313 | } |
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314 | |
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315 | /* release all memory allocated for the esd info structure */ |
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316 | void esd_free_all_info( esd_info_t *info ) { |
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317 | esd_player_info_t *player, *oplayer; |
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318 | esd_sample_info_t *sample, *osample; |
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319 | |
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320 | if ( info != NULL ) { |
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321 | |
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322 | /* |
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323 | if ( info->server ) |
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324 | free(info->server); |
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325 | */ |
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326 | esd_free_server_info(info->server); |
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327 | |
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328 | |
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329 | /* |
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330 | // TODO: do we need to free more? |
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331 | if ( info->player_list ) |
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332 | free(info->player_list); |
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333 | |
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334 | if ( info->sample_list ) |
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335 | free(info->sample_list); |
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336 | */ |
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337 | |
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338 | player = info->player_list; |
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339 | |
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340 | while (player != NULL) { |
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341 | oplayer = player; |
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342 | player = player->next; |
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343 | |
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344 | roar_mm_free(oplayer); |
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345 | } |
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346 | |
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347 | sample = info->sample_list; |
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348 | |
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349 | while (sample) { |
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350 | osample = sample; |
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351 | sample = sample->next; |
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352 | |
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353 | roar_mm_free(osample); |
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354 | } |
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355 | |
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356 | roar_mm_free(info); |
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357 | } |
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358 | } |
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359 | |
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360 | |
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361 | /* reset the volume panning for a stream */ |
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362 | int esd_set_stream_pan( int esd, int stream_id, |
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363 | int left_scale, int right_scale ) { |
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364 | struct roar_connection con; |
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365 | struct roar_mixer_settings mixer; |
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366 | |
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367 | roar_connect_fh(&con, esd); |
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368 | |
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369 | mixer.scale = 256; |
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370 | mixer.mixer[0] = left_scale; |
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371 | mixer.mixer[1] = right_scale; |
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372 | |
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373 | ROAR_DBG("esd_set_stream_pan(esd=%i, stream_id=%i, left_scale=%i, right_scale=%i) = ?", |
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374 | esd, stream_id, left_scale, right_scale); |
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375 | |
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376 | return roar_set_vol(&con, stream_id, &mixer, 2, ROAR_SET_VOL_UNMAPPED); |
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377 | } |
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378 | |
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379 | /* reset the default volume panning for a sample */ |
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380 | int esd_set_default_sample_pan( int esd, int sample_id, |
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381 | int left_scale, int right_scale ) { |
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382 | // this is not yet implemented by the RA protocol. |
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383 | (void)esd, (void)sample_id, (void)left_scale, (void)right_scale; |
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384 | errno = ENOSYS; |
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385 | return -1; |
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386 | } |
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387 | |
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388 | /* see if the server is in stnaby, autostandby, etc */ |
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389 | esd_standby_mode_t esd_get_standby_mode( int esd ) { |
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390 | struct roar_connection con; |
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391 | |
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392 | if ( roar_connect_fh(&con, esd) == -1 ) |
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393 | return -1; |
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394 | |
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395 | return roar_get_standby(&con); |
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396 | } |
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397 | |
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398 | //ll |
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