1 | //ctl.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2010 |
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5 | * |
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6 | * This file is part of libroar 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 | * libroar is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | * NOTE for everyone want's to change something and send patches: |
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25 | * read README and HACKING! There a addition information on |
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26 | * the license of this document you need to read before you send |
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27 | * any patches. |
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28 | * |
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29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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30 | * or libpulse*: |
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31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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32 | * and are therefore GPL. Because of this it may be illigal to use |
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33 | * them with any software that uses libesd, libartsc or libpulse*. |
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34 | */ |
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35 | |
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36 | #include "libroar.h" |
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37 | |
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38 | int roar_get_clientid (struct roar_connection * con) { |
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39 | struct roar_message mes; |
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40 | |
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41 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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42 | |
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43 | mes.cmd = ROAR_CMD_WHOAMI; |
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44 | mes.datalen = 0; |
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45 | |
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46 | if ( roar_req(con, &mes, NULL) == -1 ) |
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47 | return -1; |
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48 | |
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49 | if ( mes.cmd != ROAR_CMD_OK ) |
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50 | return -1; |
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51 | |
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52 | if ( mes.datalen != 1 ) |
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53 | return -1; |
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54 | |
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55 | return mes.data[0]; |
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56 | } |
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57 | |
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58 | int roar_server_oinfo (struct roar_connection * con, struct roar_stream * sa) { |
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59 | struct roar_message mes; |
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60 | |
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61 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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62 | |
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63 | mes.cmd = ROAR_CMD_SERVER_OINFO; |
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64 | mes.datalen = 0; |
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65 | |
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66 | if ( roar_req(con, &mes, NULL) == -1 ) |
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67 | return -1; |
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68 | |
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69 | if ( mes.cmd != ROAR_CMD_OK ) |
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70 | return -1; |
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71 | |
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72 | if ( roar_stream_m2s(sa, &mes) == -1 ) |
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73 | return -1; |
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74 | |
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75 | return 0; |
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76 | } |
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77 | |
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78 | int roar_get_standby (struct roar_connection * con) { |
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79 | struct roar_message mes; |
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80 | |
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81 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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82 | |
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83 | mes.cmd = ROAR_CMD_GET_STANDBY; |
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84 | mes.datalen = 0; |
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85 | |
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86 | if ( roar_req(con, &mes, NULL) == -1 ) |
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87 | return -1; |
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88 | |
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89 | if ( mes.cmd != ROAR_CMD_OK ) |
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90 | return -1; |
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91 | |
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92 | return ROAR_NET2HOST16(*((uint16_t*)mes.data)); |
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93 | } |
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94 | |
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95 | int roar_set_standby (struct roar_connection * con, int state) { |
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96 | struct roar_message mes; |
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97 | |
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98 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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99 | |
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100 | mes.cmd = ROAR_CMD_SET_STANDBY; |
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101 | mes.datalen = 2; |
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102 | |
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103 | *((uint16_t*)mes.data) = ROAR_HOST2NET16((unsigned) state); |
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104 | |
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105 | if ( roar_req(con, &mes, NULL) == -1 ) |
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106 | return -1; |
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107 | |
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108 | if ( mes.cmd != ROAR_CMD_OK ) |
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109 | return -1; |
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110 | |
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111 | return 0; |
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112 | } |
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113 | |
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114 | int roar_exit (struct roar_connection * con) { |
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115 | return roar_terminate(con, 0); |
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116 | } |
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117 | |
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118 | int roar_terminate (struct roar_connection * con, int terminate) { |
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119 | struct roar_message mes; |
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120 | |
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121 | memset(&mes, 0, sizeof(struct roar_message)); // make valgrind happy! |
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122 | |
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123 | mes.cmd = ROAR_CMD_EXIT; |
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124 | mes.datalen = 1; |
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125 | mes.data[0] = terminate; |
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126 | |
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127 | if ( roar_req(con, &mes, NULL) == -1 ) |
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128 | return -1; |
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129 | |
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130 | if ( mes.cmd != ROAR_CMD_OK ) |
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131 | return -1; |
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132 | |
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133 | return 0; |
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134 | } |
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135 | |
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136 | int roar_list_filtered(struct roar_connection * con, int * items, int max, int cmd, unsigned char filter, unsigned char cmp, uint32_t id) { |
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137 | struct roar_message m; |
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138 | |
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139 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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140 | |
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141 | roar_ctl_f2m(&m, filter, cmp, id); |
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142 | m.cmd = cmd; |
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143 | |
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144 | if ( roar_req(con, &m, NULL) == -1 ) |
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145 | return -1; |
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146 | |
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147 | return roar_ctl_m2ia(&m, items, max); |
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148 | } |
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149 | |
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150 | int roar_list (struct roar_connection * con, int * items, int max, int cmd) { |
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151 | return roar_list_filtered(con, items, max, cmd, ROAR_CTL_FILTER_ANY, ROAR_CTL_CMP_ANY, ROAR_CTL_FILTER_ANY); |
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152 | } |
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153 | |
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154 | int roar_get_client (struct roar_connection * con, struct roar_client * client, int id) { |
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155 | struct roar_message m; |
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156 | |
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157 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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158 | |
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159 | m.cmd = ROAR_CMD_GET_CLIENT; |
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160 | m.datalen = 1; |
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161 | m.data[0] = id; |
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162 | |
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163 | ROAR_DBG("roar_get_client(*): id = %i", id); |
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164 | |
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165 | if ( roar_req(con, &m, NULL) == -1 ) |
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166 | return -1; |
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167 | |
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168 | if ( m.cmd != ROAR_CMD_OK ) |
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169 | return -1; |
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170 | |
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171 | ROAR_DBG("roar_get_client(*): got ok"); |
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172 | |
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173 | return roar_ctl_m2c(&m, client); |
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174 | } |
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175 | |
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176 | int roar_get_stream (struct roar_connection * con, struct roar_stream * stream, int id) { |
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177 | struct roar_message m; |
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178 | |
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179 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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180 | |
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181 | m.cmd = ROAR_CMD_GET_STREAM; |
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182 | m.datalen = 1; |
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183 | m.data[0] = id; |
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184 | |
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185 | roar_errno = ROAR_ERROR_UNKNOWN; |
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186 | |
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187 | if ( roar_req(con, &m, NULL) == -1 ) { |
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188 | roar_errno = ROAR_ERROR_PROTO; |
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189 | return -1; |
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190 | } |
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191 | |
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192 | if ( m.cmd != ROAR_CMD_OK ) |
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193 | return -1; |
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194 | |
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195 | return roar_stream_m2s(stream, &m); |
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196 | } |
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197 | |
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198 | int roar_kick (struct roar_connection * con, int type, int id) { |
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199 | struct roar_message m; |
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200 | uint16_t * info = (uint16_t *) m.data; |
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201 | |
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202 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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203 | |
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204 | m.cmd = ROAR_CMD_KICK; |
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205 | m.datalen = 4; |
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206 | info[0] = ROAR_HOST2NET16(type); |
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207 | info[1] = ROAR_HOST2NET16(id); |
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208 | |
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209 | if ( roar_req(con, &m, NULL) == -1 ) |
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210 | return -1; |
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211 | |
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212 | if ( m.cmd != ROAR_CMD_OK ) |
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213 | return -1; |
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214 | |
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215 | return 0; |
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216 | } |
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217 | |
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218 | int roar_set_vol (struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int channels) { |
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219 | struct roar_message m; |
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220 | uint16_t * info = (uint16_t *) m.data; |
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221 | int i; |
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222 | |
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223 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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224 | |
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225 | m.cmd = ROAR_CMD_SET_VOL; |
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226 | m.datalen = (3 + channels) * 2; |
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227 | m.stream = id; |
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228 | info[0] = ROAR_HOST2NET16(1); |
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229 | info[1] = ROAR_HOST2NET16(mixer->scale); |
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230 | info[2] = ROAR_HOST2NET16(ROAR_SET_VOL_ALL); |
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231 | |
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232 | for (i = 0; i < channels; i++) |
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233 | info[i+3] = ROAR_HOST2NET16(mixer->mixer[i]); |
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234 | |
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235 | if ( roar_req(con, &m, NULL) == -1 ) |
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236 | return -1; |
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237 | |
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238 | if ( m.cmd != ROAR_CMD_OK ) |
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239 | return -1; |
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240 | |
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241 | return 0; |
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242 | } |
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243 | |
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244 | int roar_get_vol (struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int * channels) { |
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245 | struct roar_message m; |
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246 | uint16_t * info = (uint16_t *) m.data; |
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247 | int i; |
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248 | |
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249 | memset(&m, 0, sizeof(struct roar_message)); // make valgrind happy! |
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250 | |
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251 | m.cmd = ROAR_CMD_GET_VOL; |
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252 | m.datalen = 2*2; |
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253 | m.stream = id; |
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254 | |
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255 | info[0] = ROAR_HOST2NET16(1); |
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256 | |
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257 | if ( roar_req(con, &m, NULL) == -1 ) |
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258 | return -1; |
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259 | |
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260 | if ( m.cmd != ROAR_CMD_OK ) |
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261 | return -1; |
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262 | |
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263 | if ( ROAR_NET2HOST16(info[0]) != 1 ) |
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264 | return -1; |
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265 | |
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266 | info[1] = ROAR_NET2HOST16(info[1]); |
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267 | |
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268 | if ( channels != NULL ) |
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269 | *channels = info[1]; |
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270 | |
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271 | if ( info[1] > ROAR_MAX_CHANNELS ) |
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272 | return -1; |
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273 | |
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274 | mixer->scale = ROAR_NET2HOST16(info[2]); |
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275 | mixer->rpg_mul = ROAR_NET2HOST16(info[3]); |
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276 | mixer->rpg_div = ROAR_NET2HOST16(info[4]); |
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277 | |
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278 | for (i = 0; i < info[1]; i++) |
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279 | mixer->mixer[i] = ROAR_NET2HOST16(info[i+5]); |
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280 | |
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281 | return 0; |
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282 | } |
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283 | |
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284 | // converts: *_m2*, *_*2m |
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285 | |
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286 | int roar_ctl_f2m (struct roar_message * m, unsigned char filter, unsigned char cmp, uint32_t id) { |
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287 | |
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288 | m->datalen = 7; |
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289 | |
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290 | m->data[0] = 0; |
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291 | m->data[1] = filter; |
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292 | m->data[2] = cmp; |
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293 | *((uint32_t*)&(m->data[3])) = ROAR_HOST2NET32(id); |
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294 | |
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295 | return 0; |
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296 | } |
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297 | int roar_ctl_m2f (struct roar_message * m, unsigned char * filter, unsigned char * cmp, uint32_t * id) { |
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298 | |
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299 | if ( m->datalen != 7 ) |
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300 | return -1; |
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301 | |
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302 | if ( m->data[0] != 0 ) { |
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303 | ROAR_ERR("roar_ctl_m2f(*): version %i not supported!", (int)m->data[0]); |
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304 | return -1; |
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305 | } |
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306 | |
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307 | *filter = m->data[1]; |
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308 | *cmp = m->data[2]; |
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309 | |
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310 | *id = ROAR_NET2HOST32(*((uint32_t*)&(m->data[3]))); |
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311 | |
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312 | return 0; |
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313 | } |
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314 | |
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315 | int roar_filter_match (const unsigned cmp, const uint32_t a, const uint32_t b) { |
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316 | switch (cmp) { |
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317 | case ROAR_CTL_CMP_ANY: |
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318 | return 1; |
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319 | break; |
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320 | case ROAR_CTL_CMP_EQ: |
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321 | return a == b; |
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322 | break; |
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323 | case ROAR_CTL_CMP_NE: |
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324 | return a != b; |
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325 | break; |
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326 | default: |
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327 | return -1; |
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328 | } |
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329 | } |
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330 | |
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331 | int roar_ctl_ia2m (struct roar_message * m, int * data, int len) { |
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332 | int i; |
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333 | |
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334 | if ( len > LIBROAR_BUFFER_MSGDATA ) |
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335 | return -1; |
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336 | |
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337 | m->datalen = len; |
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338 | |
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339 | for (i = 0; i < len; i++) |
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340 | m->data[i] = data[i]; |
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341 | |
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342 | return 0; |
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343 | } |
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344 | int roar_ctl_m2ia (struct roar_message * m, int * data, int len) { |
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345 | int i; |
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346 | |
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347 | if ( m->datalen > len ) |
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348 | return -1; |
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349 | |
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350 | for (i = 0; i < m->datalen; i++) |
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351 | data[i] = m->data[i]; |
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352 | |
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353 | return m->datalen; |
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354 | } |
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355 | |
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356 | int roar_ctl_c2m (struct roar_message * m, struct roar_client * c) { |
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357 | int cur = 0; |
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358 | int h; |
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359 | int i; |
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360 | int max_len; |
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361 | uint32_t pid; |
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362 | size_t len_rest; |
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363 | |
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364 | if ( c == NULL ) |
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365 | return -1; |
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366 | |
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367 | m->data[cur++] = 0; // 0: Version |
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368 | m->data[cur++] = c->execed; // 1: execed |
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369 | |
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370 | h = 0; |
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371 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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372 | if ( c->streams[i] != -1 ) |
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373 | m->data[cur+1+h++] = c->streams[i]; |
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374 | } |
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375 | |
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376 | m->data[cur++] = h; // 2: num of streams |
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377 | cur += h; |
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378 | |
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379 | max_len = strlen(c->name); |
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380 | |
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381 | // TODO: add some code to check if this fits in the pkg |
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382 | // NOTE: add this code after we are sure how long this pkg will be |
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383 | // and fully decieded about this function. |
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384 | |
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385 | m->data[cur++] = max_len; |
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386 | |
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387 | strncpy((m->data)+cur, c->name, max_len); |
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388 | |
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389 | cur += max_len; |
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390 | |
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391 | pid = ROAR_HOST2NET32(c->pid); |
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392 | memcpy(&(m->data[cur]), &pid, 4); |
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393 | cur += 4; |
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394 | |
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395 | pid = ROAR_HOST2NET32(c->uid); |
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396 | memcpy(&(m->data[cur]), &pid, 4); |
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397 | cur += 4; |
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398 | |
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399 | pid = ROAR_HOST2NET32(c->gid); |
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400 | memcpy(&(m->data[cur]), &pid, 4); |
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401 | cur += 4; |
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402 | |
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403 | pid = ROAR_HOST2NET32(c->proto); |
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404 | memcpy(&(m->data[cur]), &pid, 4); |
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405 | cur += 4; |
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406 | |
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407 | pid = ROAR_HOST2NET32(c->byteorder); |
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408 | memcpy(&(m->data[cur]), &pid, 4); |
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409 | cur += 4; |
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410 | |
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411 | len_rest = sizeof(m->data) - cur; |
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412 | if ( roar_nnode_to_blob(&(c->nnode), &(m->data[cur]), &len_rest) == 0 ) { |
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413 | cur += len_rest; |
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414 | } |
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415 | |
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416 | m->datalen = cur; |
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417 | |
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418 | return 0; |
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419 | } |
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420 | |
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421 | int roar_ctl_m2c (struct roar_message * m, struct roar_client * c) { |
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422 | int i; |
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423 | int cur; |
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424 | uint32_t pid; |
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425 | size_t len; |
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426 | |
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427 | if ( m == NULL || c == NULL ) |
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428 | return -1; |
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429 | |
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430 | if ( m->datalen == 0 ) |
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431 | return -1; |
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432 | |
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433 | ROAR_DBG("roar_ctl_m2c(*): got data!, len = %i", m->datalen); |
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434 | |
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435 | if ( m->data[0] != 0 ) { |
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436 | ROAR_DBG("roar_ctl_m2c(*): wrong version!"); |
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437 | return -1; |
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438 | } |
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439 | |
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440 | if ( m->datalen < 3 ) |
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441 | return -1; |
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442 | |
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443 | ROAR_DBG("roar_ctl_m2c(*): have usable data!"); |
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444 | |
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445 | c->execed = m->data[1]; |
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446 | |
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447 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) |
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448 | c->streams[i] = -1; |
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449 | |
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450 | for (i = 0; i < m->data[2]; i++) |
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451 | c->streams[i] = m->data[3+i]; |
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452 | |
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453 | cur = 3 + m->data[2]; |
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454 | |
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455 | strncpy(c->name, (m->data)+cur+1, m->data[cur]); |
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456 | c->name[(int)m->data[cur]] = 0; |
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457 | |
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458 | cur += m->data[cur] + 1; |
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459 | |
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460 | memcpy(&pid, &(m->data[cur]), 4); |
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461 | c->pid = ROAR_NET2HOST32(pid); |
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462 | cur += 4; |
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463 | |
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464 | memcpy(&pid, &(m->data[cur]), 4); |
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465 | c->uid = ROAR_NET2HOST32(pid); |
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466 | cur += 4; |
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467 | |
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468 | memcpy(&pid, &(m->data[cur]), 4); |
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469 | c->gid = ROAR_NET2HOST32(pid); |
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470 | cur += 4; |
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471 | |
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472 | if ( m->datalen >= cur+4 ) { |
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473 | memcpy(&pid, &(m->data[cur]), 4); |
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474 | c->proto = ROAR_NET2HOST32(pid); |
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475 | cur += 4; |
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476 | } else { |
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477 | c->proto = ROAR_PROTO_NONE; |
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478 | } |
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479 | |
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480 | if ( m->datalen >= cur+4 ) { |
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481 | memcpy(&pid, &(m->data[cur]), 4); |
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482 | c->byteorder = ROAR_NET2HOST32(pid); |
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483 | cur += 4; |
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484 | } else { |
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485 | c->byteorder = ROAR_BYTEORDER_UNKNOWN; |
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486 | } |
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487 | |
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488 | if ( m->datalen > cur ) { |
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489 | len = m->datalen - cur; |
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490 | if ( roar_nnode_from_blob(&(c->nnode), &(m->data[cur]), &len) == 0 ) { |
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491 | cur += len; |
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492 | } else { |
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493 | if ( roar_nnode_new(&(c->nnode), ROAR_SOCKET_TYPE_UNKNOWN) == -1 ) |
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494 | return -1; |
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495 | } |
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496 | } else { |
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497 | if ( roar_nnode_new(&(c->nnode), ROAR_SOCKET_TYPE_UNKNOWN) == -1 ) |
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498 | return -1; |
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499 | } |
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500 | |
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501 | return 0; |
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502 | } |
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503 | |
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504 | int roar_str2proto (char * proto) { |
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505 | if ( !strcasecmp(proto, "roar") ) { |
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506 | return ROAR_PROTO_ROARAUDIO; |
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507 | } else if ( !strcasecmp(proto, "roaraudio") ) { |
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508 | return ROAR_PROTO_ROARAUDIO; |
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509 | } else if ( !strcasecmp(proto, "esd") ) { |
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510 | return ROAR_PROTO_ESOUND; |
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511 | } else if ( !strcasecmp(proto, "esound") ) { |
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512 | return ROAR_PROTO_ESOUND; |
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513 | } else if ( !strcasecmp(proto, "auto") ) { |
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514 | return ROAR_PROTO_AUTO; |
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515 | } else if ( !strcasecmp(proto, "(auto)") ) { |
---|
516 | return ROAR_PROTO_AUTO; |
---|
517 | } else if ( !strcasecmp(proto, "http") ) { |
---|
518 | return ROAR_PROTO_HTTP; |
---|
519 | } else if ( !strcasecmp(proto, "gopher") ) { |
---|
520 | return ROAR_PROTO_GOPHER; |
---|
521 | } else if ( !strcasecmp(proto, "icy") ) { |
---|
522 | return ROAR_PROTO_ICY; |
---|
523 | } else if ( !strcasecmp(proto, "simple") ) { |
---|
524 | return ROAR_PROTO_SIMPLE; |
---|
525 | } else if ( !strcasecmp(proto, "rsound") ) { |
---|
526 | return ROAR_PROTO_RSOUND; |
---|
527 | } else if ( !strcasecmp(proto, "rplay") ) { |
---|
528 | return ROAR_PROTO_RPLAY; |
---|
529 | } |
---|
530 | |
---|
531 | return -1; |
---|
532 | } |
---|
533 | |
---|
534 | char * roar_proto2str (int proto) { |
---|
535 | switch (proto) { |
---|
536 | case ROAR_PROTO_ROARAUDIO: return "RoarAudio"; break; |
---|
537 | case ROAR_PROTO_ESOUND: return "EsounD"; break; |
---|
538 | case ROAR_PROTO_AUTO: return "(auto)"; break; |
---|
539 | case ROAR_PROTO_HTTP: return "http"; break; |
---|
540 | case ROAR_PROTO_GOPHER: return "gopher"; break; |
---|
541 | case ROAR_PROTO_ICY: return "ICY"; break; |
---|
542 | case ROAR_PROTO_SIMPLE: return "Simple"; break; |
---|
543 | case ROAR_PROTO_RSOUND: return "RSound"; break; |
---|
544 | case ROAR_PROTO_RPLAY: return "RPlay"; break; |
---|
545 | default: |
---|
546 | return "(unknown)"; |
---|
547 | } |
---|
548 | } |
---|
549 | |
---|
550 | int roar_str2byteorder (char * byteorder) { |
---|
551 | if ( !strcasecmp(byteorder, "le") || !strcasecmp(byteorder, "little") || |
---|
552 | !strcasecmp(byteorder, "little endian") || !strcasecmp(byteorder, "1234") ) { |
---|
553 | return ROAR_BYTEORDER_LE; |
---|
554 | } else if ( !strcasecmp(byteorder, "be") || !strcasecmp(byteorder, "big") || |
---|
555 | !strcasecmp(byteorder, "big endian") || !strcasecmp(byteorder, "4321") ) { |
---|
556 | return ROAR_BYTEORDER_BE; |
---|
557 | } else if ( !strcasecmp(byteorder, "pdp") || |
---|
558 | !strcasecmp(byteorder, "pdp endian") ) { |
---|
559 | return ROAR_BYTEORDER_PDP; |
---|
560 | } else if ( !strcasecmp(byteorder, "network") || |
---|
561 | !strcasecmp(byteorder, "network byteorder") ) { |
---|
562 | return ROAR_BYTEORDER_NETWORK; |
---|
563 | } |
---|
564 | |
---|
565 | return -1; |
---|
566 | } |
---|
567 | |
---|
568 | char * roar_byteorder2str (int byteorder) { |
---|
569 | switch (byteorder) { |
---|
570 | case ROAR_BYTEORDER_LE: return "little endian"; break; |
---|
571 | case ROAR_BYTEORDER_BE: return "big endian"; break; |
---|
572 | case ROAR_BYTEORDER_PDP: return "pdp endian"; break; |
---|
573 | // case ROAR_BYTEORDER_NETWORK: return "network"; break; |
---|
574 | default: |
---|
575 | return "(unknown)"; |
---|
576 | } |
---|
577 | } |
---|
578 | |
---|
579 | // grep '^#define ROAR_OT_' roaraudio/proto.h | cut -d' ' -f2 | sed 's/^\(ROAR_OT_\)\(.*\)$/ {\1\2, "\2"},/' |
---|
580 | static struct { |
---|
581 | const int ot; |
---|
582 | const char * name; |
---|
583 | } _libroar_ot[] = { |
---|
584 | {ROAR_OT_CLIENT, "client"}, |
---|
585 | {ROAR_OT_STREAM, "stream"}, |
---|
586 | {ROAR_OT_SOURCE, "source"}, |
---|
587 | {ROAR_OT_SAMPLE, "sample"}, |
---|
588 | {ROAR_OT_OUTPUT, "output"}, |
---|
589 | {ROAR_OT_MIXER, "mixer"}, |
---|
590 | {ROAR_OT_BRIDGE, "bridge"}, |
---|
591 | {ROAR_OT_LISTEN, "listen"}, |
---|
592 | {ROAR_OT_ACTION, "action"}, |
---|
593 | {ROAR_OT_MSGQUEUE, "msgqueue"}, |
---|
594 | {ROAR_OT_MSGBUS, "msgbus"}, |
---|
595 | {-1, NULL} |
---|
596 | }; |
---|
597 | |
---|
598 | int roar_str2ot (const char * ot) { |
---|
599 | int i; |
---|
600 | |
---|
601 | for (i = 0; _libroar_ot[i].ot != -1; i++) |
---|
602 | if ( !strcasecmp(ot, _libroar_ot[i].name) ) |
---|
603 | return _libroar_ot[i].ot; |
---|
604 | |
---|
605 | return -1; |
---|
606 | } |
---|
607 | |
---|
608 | const char * roar_ot2str (const int ot) { |
---|
609 | int i; |
---|
610 | |
---|
611 | for (i = 0; _libroar_ot[i].ot != -1; i++) |
---|
612 | if ( _libroar_ot[i].ot == ot ) |
---|
613 | return _libroar_ot[i].name; |
---|
614 | |
---|
615 | return NULL; |
---|
616 | } |
---|
617 | |
---|
618 | int roar_conv_volume (struct roar_mixer_settings * dst, struct roar_mixer_settings * src, int dstchans, int srcchans) { |
---|
619 | struct roar_mixer_settings lsrc; |
---|
620 | int i; |
---|
621 | uint_least32_t s; |
---|
622 | |
---|
623 | if ( dst == NULL || src == NULL || dstchans < 0 || srcchans < 0 ) |
---|
624 | return -1; |
---|
625 | |
---|
626 | if ( dstchans == srcchans ) { |
---|
627 | if ( dst == src ) |
---|
628 | return 0; |
---|
629 | |
---|
630 | memcpy(dst, src, sizeof(struct roar_mixer_settings)); |
---|
631 | return 0; |
---|
632 | } |
---|
633 | |
---|
634 | if ( dst == src ) { |
---|
635 | memcpy(&lsrc, src, sizeof(lsrc)); |
---|
636 | src = &lsrc; |
---|
637 | } |
---|
638 | |
---|
639 | // sepcal handling for N->1: |
---|
640 | if ( dstchans == 1 ) { |
---|
641 | s = 0; |
---|
642 | |
---|
643 | for (i = 0; i < srcchans; i++) |
---|
644 | s += src->mixer[i]; |
---|
645 | |
---|
646 | dst->mixer[0] = s / srcchans; |
---|
647 | } else { |
---|
648 | switch (srcchans) { |
---|
649 | case 1: |
---|
650 | for (i = 0; i < dstchans; i++) |
---|
651 | dst->mixer[i] = src->mixer[0]; |
---|
652 | break; |
---|
653 | case 2: |
---|
654 | switch (dstchans) { |
---|
655 | case 3: |
---|
656 | dst->mixer[0] = src->mixer[0]; |
---|
657 | dst->mixer[1] = src->mixer[1]; |
---|
658 | dst->mixer[2] = (src->mixer[0] + src->mixer[1]) / 2; |
---|
659 | break; |
---|
660 | case 4: |
---|
661 | dst->mixer[0] = src->mixer[0]; |
---|
662 | dst->mixer[1] = src->mixer[1]; |
---|
663 | dst->mixer[2] = src->mixer[0]; |
---|
664 | dst->mixer[3] = src->mixer[1]; |
---|
665 | break; |
---|
666 | case 5: |
---|
667 | dst->mixer[0] = src->mixer[0]; |
---|
668 | dst->mixer[1] = src->mixer[1]; |
---|
669 | dst->mixer[2] = (src->mixer[0] + src->mixer[1]) / 2; |
---|
670 | dst->mixer[3] = src->mixer[0]; |
---|
671 | dst->mixer[4] = src->mixer[1]; |
---|
672 | break; |
---|
673 | case 6: |
---|
674 | dst->mixer[0] = src->mixer[0]; |
---|
675 | dst->mixer[1] = src->mixer[1]; |
---|
676 | dst->mixer[2] = (src->mixer[0] + src->mixer[1]) / 2; |
---|
677 | dst->mixer[3] = dst->mixer[2]; |
---|
678 | dst->mixer[4] = src->mixer[0]; |
---|
679 | dst->mixer[5] = src->mixer[1]; |
---|
680 | break; |
---|
681 | default: |
---|
682 | return -1; |
---|
683 | break; |
---|
684 | } |
---|
685 | break; |
---|
686 | case 3: |
---|
687 | switch (dstchans) { |
---|
688 | case 2: |
---|
689 | dst->mixer[0] = src->mixer[0]; |
---|
690 | dst->mixer[1] = src->mixer[1]; |
---|
691 | break; |
---|
692 | case 4: |
---|
693 | dst->mixer[0] = src->mixer[0]; |
---|
694 | dst->mixer[1] = src->mixer[1]; |
---|
695 | dst->mixer[2] = src->mixer[0]; |
---|
696 | dst->mixer[3] = src->mixer[1]; |
---|
697 | break; |
---|
698 | case 5: |
---|
699 | dst->mixer[0] = src->mixer[0]; |
---|
700 | dst->mixer[1] = src->mixer[1]; |
---|
701 | dst->mixer[2] = src->mixer[2]; |
---|
702 | dst->mixer[3] = src->mixer[0]; |
---|
703 | dst->mixer[4] = src->mixer[1]; |
---|
704 | break; |
---|
705 | case 6: |
---|
706 | dst->mixer[0] = src->mixer[0]; |
---|
707 | dst->mixer[1] = src->mixer[1]; |
---|
708 | dst->mixer[2] = src->mixer[2]; |
---|
709 | dst->mixer[3] = src->mixer[2]; |
---|
710 | dst->mixer[4] = src->mixer[0]; |
---|
711 | dst->mixer[5] = src->mixer[1]; |
---|
712 | break; |
---|
713 | default: |
---|
714 | return -1; |
---|
715 | break; |
---|
716 | } |
---|
717 | break; |
---|
718 | case 4: |
---|
719 | switch (dstchans) { |
---|
720 | case 2: |
---|
721 | dst->mixer[0] = (src->mixer[0] + src->mixer[2]) / 2; |
---|
722 | dst->mixer[1] = (src->mixer[1] + src->mixer[3]) / 2; |
---|
723 | break; |
---|
724 | case 3: |
---|
725 | dst->mixer[0] = (src->mixer[0] + src->mixer[2]) / 2; |
---|
726 | dst->mixer[1] = (src->mixer[1] + src->mixer[3]) / 2; |
---|
727 | dst->mixer[2] = (dst->mixer[0] + dst->mixer[1]) / 2; |
---|
728 | break; |
---|
729 | case 5: |
---|
730 | dst->mixer[0] = src->mixer[0]; |
---|
731 | dst->mixer[1] = src->mixer[1]; |
---|
732 | dst->mixer[2] = (src->mixer[0] + src->mixer[2] + src->mixer[1] + src->mixer[3]) / 4; |
---|
733 | dst->mixer[3] = src->mixer[2]; |
---|
734 | dst->mixer[4] = src->mixer[3]; |
---|
735 | break; |
---|
736 | case 6: |
---|
737 | dst->mixer[0] = src->mixer[0]; |
---|
738 | dst->mixer[1] = src->mixer[1]; |
---|
739 | dst->mixer[2] = (src->mixer[0] + src->mixer[2] + src->mixer[1] + src->mixer[3]) / 4; |
---|
740 | dst->mixer[3] = dst->mixer[2]; |
---|
741 | dst->mixer[4] = src->mixer[2]; |
---|
742 | dst->mixer[5] = src->mixer[3]; |
---|
743 | break; |
---|
744 | default: |
---|
745 | return -1; |
---|
746 | break; |
---|
747 | } |
---|
748 | break; |
---|
749 | case 5: |
---|
750 | switch (dstchans) { |
---|
751 | case 2: |
---|
752 | dst->mixer[0] = (src->mixer[0] + src->mixer[3]) / 2; |
---|
753 | dst->mixer[1] = (src->mixer[1] + src->mixer[4]) / 2; |
---|
754 | break; |
---|
755 | case 3: |
---|
756 | dst->mixer[0] = (src->mixer[0] + src->mixer[3]) / 2; |
---|
757 | dst->mixer[1] = (src->mixer[1] + src->mixer[4]) / 2; |
---|
758 | dst->mixer[2] = src->mixer[2]; |
---|
759 | break; |
---|
760 | case 4: |
---|
761 | dst->mixer[0] = src->mixer[0]; |
---|
762 | dst->mixer[1] = src->mixer[1]; |
---|
763 | dst->mixer[2] = src->mixer[3]; |
---|
764 | dst->mixer[3] = src->mixer[4]; |
---|
765 | break; |
---|
766 | case 6: |
---|
767 | dst->mixer[0] = src->mixer[0]; |
---|
768 | dst->mixer[1] = src->mixer[1]; |
---|
769 | dst->mixer[2] = src->mixer[2]; |
---|
770 | dst->mixer[3] = src->mixer[2]; |
---|
771 | dst->mixer[4] = src->mixer[3]; |
---|
772 | dst->mixer[5] = src->mixer[4]; |
---|
773 | break; |
---|
774 | default: |
---|
775 | return -1; |
---|
776 | break; |
---|
777 | } |
---|
778 | break; |
---|
779 | case 6: |
---|
780 | switch (dstchans) { |
---|
781 | case 2: |
---|
782 | dst->mixer[0] = (src->mixer[0] + src->mixer[4]) / 2; |
---|
783 | dst->mixer[1] = (src->mixer[1] + src->mixer[5]) / 2; |
---|
784 | break; |
---|
785 | case 3: |
---|
786 | dst->mixer[0] = (src->mixer[0] + src->mixer[4]) / 2; |
---|
787 | dst->mixer[1] = (src->mixer[1] + src->mixer[5]) / 2; |
---|
788 | dst->mixer[2] = src->mixer[2]; |
---|
789 | break; |
---|
790 | case 4: |
---|
791 | dst->mixer[0] = src->mixer[0]; |
---|
792 | dst->mixer[1] = src->mixer[1]; |
---|
793 | dst->mixer[2] = src->mixer[4]; |
---|
794 | dst->mixer[3] = src->mixer[5]; |
---|
795 | break; |
---|
796 | case 5: |
---|
797 | dst->mixer[0] = src->mixer[0]; |
---|
798 | dst->mixer[1] = src->mixer[1]; |
---|
799 | dst->mixer[2] = src->mixer[2]; |
---|
800 | dst->mixer[3] = src->mixer[4]; |
---|
801 | dst->mixer[4] = src->mixer[5]; |
---|
802 | break; |
---|
803 | default: |
---|
804 | return -1; |
---|
805 | break; |
---|
806 | } |
---|
807 | break; |
---|
808 | default: |
---|
809 | return -1; |
---|
810 | break; |
---|
811 | } |
---|
812 | } |
---|
813 | |
---|
814 | dst->scale = src->scale; |
---|
815 | dst->rpg_mul = src->rpg_mul; |
---|
816 | dst->rpg_div = src->rpg_div; |
---|
817 | |
---|
818 | return 0; |
---|
819 | } |
---|
820 | |
---|
821 | //ll |
---|