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 |
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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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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26 | * |
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27 | * NOTE for everyone want's to change something and send patches: |
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28 | * read README and HACKING! There a addition information on |
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29 | * the license of this document you need to read before you send |
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30 | * any patches. |
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31 | * |
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32 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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33 | * or libpulse*: |
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34 | * The libs libroaresd, libroararts and libroarpulse link this libroar |
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35 | * and are therefore GPL. Because of this it may be illigal to use |
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36 | * them with any software that uses libesd, libartsc or libpulse*. |
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37 | */ |
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38 | |
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39 | #include "libroaresd.h" |
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40 | |
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41 | /* lock/unlock will disable/enable foreign clients from connecting */ |
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42 | |
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43 | // we do not have such a thing at the moment... |
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44 | // so always return -1 |
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45 | int esd_lock( int esd ) { |
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46 | return -1; |
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47 | } |
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48 | int esd_unlock( int esd ) { |
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49 | return -1; |
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50 | } |
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51 | |
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52 | /* standby/resume will free/reclaim audio device so others may use it */ |
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53 | int esd_standby( int esd ) { |
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54 | struct roar_connection con; |
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55 | |
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56 | con.fh = esd; |
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57 | |
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58 | return roar_set_standby(&con, ROAR_STANDBY_ACTIVE); |
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59 | } |
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60 | |
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61 | int esd_resume( int esd ) { |
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62 | struct roar_connection con; |
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63 | |
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64 | con.fh = esd; |
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65 | |
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66 | return roar_set_standby(&con, ROAR_STANDBY_INACTIVE); |
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67 | } |
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68 | |
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69 | /* print server into to stdout */ |
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70 | void esd_print_server_info( esd_server_info_t *server_info ) { |
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71 | char buf[80] = ""; |
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72 | |
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73 | if ( server_info->format & ESD_BITS16 ) |
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74 | strcat(buf, "16 bit "); |
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75 | else |
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76 | strcat(buf, "8 bit "); |
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77 | |
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78 | if ( server_info->format & ESD_STEREO ) |
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79 | strcat(buf, "stereo "); |
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80 | else |
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81 | strcat(buf, "mono "); |
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82 | |
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83 | printf("server version = %i\n", server_info->version); |
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84 | printf("server format = 0x%08x %s\n", server_info->format, buf); |
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85 | printf("server rate = %i\n", server_info->rate); |
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86 | } |
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87 | |
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88 | |
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89 | void esd_print_player_info( esd_player_info_t *player_info ) { |
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90 | char buf[80] = ""; |
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91 | |
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92 | if ( player_info->format & ESD_BITS16 ) |
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93 | strcat(buf, "16 bit "); |
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94 | else |
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95 | strcat(buf, "8 bit "); |
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96 | |
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97 | if ( player_info->format & ESD_MONO ) |
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98 | strcat(buf, "stereo "); |
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99 | else |
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100 | strcat(buf, "mono "); |
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101 | |
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102 | printf("player %i name = %s\n", player_info->source_id, player_info->name); |
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103 | printf("player %i format = 0x%08x %s\n", player_info->source_id, player_info->format, buf); |
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104 | printf("player %i rate = %i\n", player_info->source_id, player_info->rate); |
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105 | printf("player %i left = %i\n", player_info->source_id, player_info->left_vol_scale ); |
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106 | printf("player %i right = %i\n", player_info->source_id, player_info->right_vol_scale ); |
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107 | } |
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108 | |
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109 | void esd_print_sample_info( esd_sample_info_t *sample_info ) { |
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110 | } |
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111 | |
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112 | /* print all info to stdout */ |
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113 | void esd_print_all_info( esd_info_t *all_info ) { |
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114 | esd_player_info_t *player; |
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115 | esd_sample_info_t *sample; |
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116 | |
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117 | |
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118 | esd_print_server_info(all_info->server); |
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119 | |
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120 | player = all_info->player_list; |
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121 | |
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122 | while (player) { |
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123 | esd_print_player_info(player); |
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124 | player = player->next; |
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125 | } |
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126 | |
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127 | sample = all_info->sample_list; |
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128 | |
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129 | while (sample) { |
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130 | esd_print_sample_info(sample); |
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131 | sample = sample->next; |
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132 | } |
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133 | |
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134 | } |
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135 | |
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136 | /* retrieve server properties (sample rate, format, version number) */ |
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137 | esd_server_info_t *esd_get_server_info( int esd ) { |
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138 | esd_server_info_t * r; |
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139 | struct roar_stream s; |
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140 | struct roar_connection con; |
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141 | struct roar_message m; |
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142 | |
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143 | r = malloc(sizeof(esd_server_info_t)); |
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144 | |
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145 | if ( r == NULL ) |
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146 | return NULL; |
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147 | |
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148 | r->version = 0; // seems to be static |
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149 | |
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150 | con.fh = esd; |
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151 | m.cmd = ROAR_CMD_SERVER_OINFO; |
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152 | m.datalen = 0; |
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153 | |
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154 | if ( roar_req(&con, &m, NULL) == -1 ) { |
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155 | free(r); |
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156 | return NULL; |
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157 | } |
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158 | |
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159 | if ( m.cmd != ROAR_CMD_OK ) { |
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160 | free(r); |
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161 | return NULL; |
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162 | } |
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163 | |
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164 | if ( roar_stream_m2s(&s, &m) == -1 ) { |
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165 | free(r); |
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166 | return NULL; |
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167 | } |
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168 | |
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169 | r->rate = s.info.rate; |
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170 | r->format = 0; |
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171 | |
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172 | if ( s.info.channels == 1 ) |
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173 | r->format |= ESD_MONO; |
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174 | else |
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175 | r->format |= ESD_STEREO; |
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176 | |
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177 | if ( s.info.bits == 8 ) |
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178 | r->format |= ESD_BITS8; |
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179 | else |
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180 | r->format |= ESD_BITS16; |
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181 | |
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182 | return r; |
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183 | } |
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184 | /* release all memory allocated for the server properties structure */ |
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185 | void esd_free_server_info( esd_server_info_t *server_info ) { |
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186 | if (server_info) |
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187 | free(server_info); |
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188 | } |
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189 | |
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190 | /* retrieve all information from server */ |
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191 | esd_info_t *esd_get_all_info( int esd ) { |
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192 | esd_info_t * r; |
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193 | int i; |
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194 | int num; |
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195 | int clients[ROAR_CLIENTS_MAX]; |
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196 | struct roar_client c; |
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197 | struct roar_stream s; |
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198 | struct roar_connection con[1]; |
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199 | struct roar_mixer_settings mixer; |
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200 | int channels; |
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201 | esd_player_info_t * new_player, * cur = NULL; // = NULL to avoid gcc warning |
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202 | |
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203 | con->fh = esd; |
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204 | |
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205 | r = malloc(sizeof(esd_info_t)); |
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206 | |
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207 | if ( r == NULL ) |
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208 | return NULL; |
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209 | |
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210 | r->server = esd_get_server_info(esd); |
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211 | r->player_list = NULL; |
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212 | r->sample_list = NULL; |
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213 | |
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214 | if ( (num = roar_list_clients(con, clients, ROAR_CLIENTS_MAX)) == -1 ) { |
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215 | ROAR_ERR("esd_get_all_info(*): can not get client list"); |
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216 | num = 0; |
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217 | } |
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218 | |
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219 | for (i = 0; i < num; i++) { |
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220 | if ( roar_get_client(con, &c, clients[i]) == -1 ) { |
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221 | ROAR_ERR("esd_get_all_info(*): can not get client info"); |
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222 | continue; |
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223 | } |
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224 | |
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225 | if ( c.execed != -1 ) { |
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226 | if ( roar_get_stream(con, &s, c.execed) == -1 ) { |
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227 | ROAR_ERR("esd_get_all_info(*): can not get stream info"); |
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228 | continue; |
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229 | } |
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230 | |
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231 | if ( (new_player = malloc(sizeof(esd_player_info_t))) == NULL ) { |
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232 | ROAR_ERR("esd_get_all_info(*): can not alloc memory for new player! BAD"); |
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233 | continue; |
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234 | } |
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235 | |
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236 | new_player->next = NULL; |
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237 | |
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238 | new_player->source_id = c.execed; |
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239 | new_player->rate = s.info.rate; |
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240 | |
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241 | new_player->format = ROAR_S2ESD(&s); |
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242 | // sprintf(new_player->name, "roar stream %i", c.execed); |
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243 | strncpy(new_player->name, c.name, ESD_NAME_MAX < ROAR_BUFFER_NAME ? ESD_NAME_MAX : ESD_NAME_MAX); |
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244 | |
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245 | new_player->server = r->server; |
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246 | |
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247 | if ( roar_get_vol(con, c.execed, &mixer, &channels) == -1 ) { |
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248 | ROAR_ERR("esd_get_all_info(*): can not get stream mixer info"); |
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249 | new_player->left_vol_scale = new_player->right_vol_scale = 256; |
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250 | } else { |
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251 | if ( channels == 1 ) { |
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252 | new_player->left_vol_scale = new_player->right_vol_scale = mixer.mixer[0] == 65536 ? 256 : mixer.mixer[0] / 256; |
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253 | } else { |
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254 | if ( channels != 2 ) { |
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255 | 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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256 | } |
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257 | new_player->left_vol_scale = mixer.mixer[0] == 65536 ? 256 : mixer.mixer[0] / 256; |
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258 | new_player->right_vol_scale = mixer.mixer[1] == 65536 ? 256 : mixer.mixer[1] / 256; |
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259 | } |
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260 | } |
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261 | |
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262 | |
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263 | if ( r->player_list == NULL ) { |
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264 | r->player_list = cur = new_player; |
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265 | } else { |
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266 | cur->next = new_player; // add to old player |
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267 | cur = new_player; // hop to next player |
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268 | } |
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269 | |
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270 | } |
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271 | } |
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272 | |
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273 | return r; |
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274 | } |
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275 | |
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276 | /* retrieve all information from server, and update until unsubsribed or closed */ |
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277 | esd_info_t *esd_subscribe_all_info( int esd ); |
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278 | |
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279 | /* call to update the info structure with new information, and call callbacks */ |
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280 | esd_info_t *esd_update_info( int esd, esd_info_t *info, |
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281 | esd_update_info_callbacks_t *callbacks ); |
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282 | esd_info_t *esd_unsubscribe_info( int esd ); |
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283 | |
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284 | /* release all memory allocated for the esd info structure */ |
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285 | void esd_free_all_info( esd_info_t *info ) { |
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286 | esd_player_info_t *player, *oplayer; |
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287 | esd_sample_info_t *sample, *osample; |
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288 | |
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289 | if ( info != NULL ) { |
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290 | |
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291 | /* |
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292 | if ( info->server ) |
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293 | free(info->server); |
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294 | */ |
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295 | esd_free_server_info(info->server); |
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296 | |
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297 | |
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298 | /* |
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299 | // TODO: do we need to free more? |
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300 | if ( info->player_list ) |
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301 | free(info->player_list); |
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302 | |
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303 | if ( info->sample_list ) |
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304 | free(info->sample_list); |
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305 | */ |
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306 | |
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307 | player = info->player_list; |
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308 | |
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309 | while (player) { |
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310 | oplayer = player; |
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311 | player = player->next; |
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312 | |
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313 | free(oplayer); |
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314 | } |
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315 | |
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316 | sample = info->sample_list; |
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317 | |
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318 | while (sample) { |
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319 | osample = sample; |
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320 | sample = sample->next; |
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321 | |
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322 | free(osample); |
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323 | } |
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324 | |
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325 | free(info); |
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326 | } |
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327 | } |
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328 | |
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329 | |
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330 | /* reset the volume panning for a stream */ |
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331 | int esd_set_stream_pan( int esd, int stream_id, |
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332 | int left_scale, int right_scale ) { |
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333 | struct roar_connection con; |
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334 | struct roar_mixer_settings mixer; |
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335 | |
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336 | con.fh = esd; |
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337 | |
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338 | mixer.mixer[0] = left_scale == 256 ? 65535 : left_scale * 256; |
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339 | mixer.mixer[1] = right_scale == 256 ? 65535 : right_scale * 256; |
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340 | |
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341 | ROAR_DBG("esd_set_stream_pan(esd=%i, stream_id=%i, left_scale=%i, right_scale=%i) = ?", |
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342 | esd, stream_id, left_scale, right_scale); |
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343 | |
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344 | return roar_set_vol(&con, stream_id, &mixer, 2); |
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345 | } |
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346 | |
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347 | /* reset the default volume panning for a sample */ |
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348 | int esd_set_default_sample_pan( int esd, int sample_id, |
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349 | int left_scale, int right_scale ) { |
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350 | return -1; |
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351 | } |
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352 | |
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353 | /* see if the server is in stnaby, autostandby, etc */ |
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354 | esd_standby_mode_t esd_get_standby_mode( int esd ) { |
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355 | return roar_simple_get_standby(esd); |
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356 | } |
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357 | |
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358 | //ll |
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