1 | //config.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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5 | * |
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6 | * This file is part of 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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | * |
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23 | * NOTE for everyone want's to change something and send patches: |
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24 | * read README and HACKING! There a addition information on |
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25 | * the license of this document you need to read before you send |
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26 | * any patches. |
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27 | * |
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28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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29 | * or libpulse*: |
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30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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31 | * and are therefore GPL. Because of this it may be illigal to use |
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32 | * them with any software that uses libesd, libartsc or libpulse*. |
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33 | */ |
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34 | |
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35 | #include "libroar.h" |
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36 | |
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37 | static struct roar_libroar_config_codec * |
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38 | roar_libroar_config_codec_get_conf(int codec, int create, struct roar_libroar_config * config); |
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39 | |
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40 | |
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41 | struct roar_libroar_config * roar_libroar_get_config_ptr(void) { |
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42 | static struct roar_libroar_config config; |
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43 | static int inited = 0; |
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44 | |
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45 | if ( !inited ) { |
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46 | memset(&config, 0, sizeof(config)); |
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47 | |
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48 | config.server = NULL; |
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49 | |
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50 | inited++; |
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51 | } |
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52 | |
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53 | return &config; |
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54 | } |
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55 | |
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56 | struct roar_libroar_config * roar_libroar_get_config(void) { |
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57 | struct roar_libroar_config * config = roar_libroar_get_config_ptr(); |
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58 | static int inited = 0; |
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59 | char * next; |
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60 | |
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61 | if ( !inited ) { |
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62 | next = getenv("ROAR_OPTIONS"); |
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63 | |
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64 | if ( next != NULL ) { |
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65 | roar_libroar_config_parse(next, " "); |
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66 | } |
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67 | |
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68 | inited++; |
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69 | } |
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70 | |
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71 | return config; |
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72 | } |
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73 | |
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74 | #define _P_FP(v) ((int)(atof((v))*256.0)) |
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75 | #define _P_INT(v) (atoi((v))) |
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76 | #define _P_BOOL(v) (*(v) == 'y' || *(v) == 'j' || *(v) == 't' || *(v) == '1' ? 1 : 0) |
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77 | |
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78 | static int roar_libroar_config_parse_codec(struct roar_libroar_config * config, char * txt) { |
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79 | struct roar_libroar_config_codec * codec_cfg; |
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80 | int codec; |
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81 | char * codec_str, * option_str, * value_str; |
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82 | |
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83 | ROAR_DBG("roar_libroar_config_parse_codec(config=%p, txt='%s') = ?", config, txt); |
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84 | |
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85 | if ( config == NULL || txt == NULL ) |
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86 | return -1; |
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87 | |
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88 | ROAR_DBG("roar_libroar_config_parse_codec(config=%p, txt='%s') = ?", config, txt); |
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89 | |
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90 | codec_str = strtok(txt, ":"); |
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91 | |
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92 | if ( codec_str == NULL ) |
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93 | return -1; |
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94 | |
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95 | option_str = strtok(NULL, ":"); |
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96 | |
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97 | if ( option_str == NULL ) |
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98 | return -1; |
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99 | |
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100 | value_str = strtok(NULL, ":"); |
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101 | |
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102 | if ( value_str == NULL ) |
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103 | return -1; |
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104 | |
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105 | ROAR_DBG("roar_libroar_config_parse_codec(config=%p, txt='%s') = ?", config, txt); |
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106 | |
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107 | if ( (codec = roar_str2codec(codec_str)) == -1 ) { |
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108 | ROAR_WARN("roar_libroar_config_parse_codec(*): Unknown codec: %s", codec_str); |
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109 | return -1; |
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110 | } |
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111 | |
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112 | ROAR_DBG("roar_libroar_config_parse_codec(config=%p, txt='%s'): codec=%i", config, txt, codec); |
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113 | |
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114 | if ( (codec_cfg = roar_libroar_config_codec_get_conf(codec, 1, config)) == NULL ) |
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115 | return -1; |
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116 | |
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117 | ROAR_DBG("roar_libroar_config_parse_codec(config=%p, txt='%s'): codec=%i, codec_cfg=%p", config, txt, codec, codec_cfg); |
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118 | |
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119 | if ( !strcmp(option_str, "q") || !strcmp(option_str, "quality") ) { |
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120 | codec_cfg->para_set |= ROAR_LIBROAR_CONFIG_PSET_Q; |
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121 | codec_cfg->q = _P_FP(value_str); |
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122 | } else if ( !strcmp(option_str, "complexity") ) { |
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123 | codec_cfg->para_set |= ROAR_LIBROAR_CONFIG_PSET_COMPLEXITY; |
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124 | codec_cfg->complexity = _P_FP(value_str); |
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125 | } else if ( !strcmp(option_str, "dtx") ) { |
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126 | codec_cfg->para_set |= ROAR_LIBROAR_CONFIG_PSET_DTX; |
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127 | codec_cfg->dtx = _P_BOOL(value_str); |
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128 | } else if ( !strcmp(option_str, "cc-max") ) { |
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129 | codec_cfg->para_set |= ROAR_LIBROAR_CONFIG_PSET_MAX_CC; |
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130 | codec_cfg->max_cc = _P_INT(value_str); |
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131 | } else if ( !strcmp(option_str, "vbr") ) { |
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132 | codec_cfg->para_set |= ROAR_LIBROAR_CONFIG_PSET_VBR; |
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133 | codec_cfg->vbr = _P_BOOL(value_str); |
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134 | } else if ( !strcmp(option_str, "mode") ) { |
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135 | if ( !strcmp(value_str, "nb") ) { |
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136 | codec_cfg->para_set |= ROAR_LIBROAR_CONFIG_PSET_MODE; |
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137 | codec_cfg->mode = ROAR_LIBROAR_CONFIG_MODE_NB; |
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138 | } else if ( !strcmp(value_str, "wb") ) { |
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139 | codec_cfg->para_set |= ROAR_LIBROAR_CONFIG_PSET_MODE; |
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140 | codec_cfg->mode = ROAR_LIBROAR_CONFIG_MODE_WB; |
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141 | } else if ( !strcmp(value_str, "uwb") ) { |
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142 | codec_cfg->para_set |= ROAR_LIBROAR_CONFIG_PSET_MODE; |
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143 | codec_cfg->mode = ROAR_LIBROAR_CONFIG_MODE_UWB; |
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144 | } else { |
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145 | ROAR_WARN("roar_libroar_config_parse_codec(*): Unknown codec mode: %s", value_str); |
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146 | return -1; |
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147 | } |
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148 | } else { |
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149 | ROAR_WARN("roar_libroar_config_parse_codec(*): Unknown codec option: %s", option_str); |
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150 | return -1; |
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151 | } |
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152 | |
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153 | return 0; |
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154 | } |
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155 | |
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156 | int roar_libroar_config_parse(char * txt, char * delm) { |
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157 | struct roar_libroar_config * config = roar_libroar_get_config_ptr(); |
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158 | char * k, * v, * next = txt; |
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159 | |
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160 | while (next != NULL) { |
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161 | k = next; |
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162 | |
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163 | if ( delm == NULL ) { |
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164 | // no delm -> we have only one option |
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165 | next = NULL; |
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166 | } else { |
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167 | next = strstr(next, delm); |
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168 | } |
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169 | |
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170 | if ( next != NULL ) { |
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171 | *next = 0; |
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172 | next++; |
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173 | } |
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174 | |
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175 | ROAR_DBG("roar_libroar_config_parse(*): k='%s'", k); |
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176 | |
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177 | // strip leading spaces: |
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178 | while ( *k == ' ' ) k++; |
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179 | |
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180 | ROAR_DBG("roar_libroar_config_parse(*): k='%s'", k); |
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181 | |
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182 | // strip tailing new lions: |
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183 | v = strtok(k, "\r\n"); |
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184 | if ( v != NULL ) { |
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185 | if ( *v == '\r' || *v == '\n' ) |
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186 | *v = 0; |
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187 | } |
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188 | |
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189 | ROAR_DBG("roar_libroar_config_parse(*): k='%s'", k); |
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190 | |
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191 | // comments |
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192 | if ( *k == '#' ) |
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193 | continue; |
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194 | |
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195 | ROAR_DBG("roar_libroar_config_parse(*): k='%s'", k); |
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196 | |
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197 | // empty options: |
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198 | if ( *k == 0 ) |
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199 | continue; |
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200 | |
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201 | if ( (v = strstr(k, ":")) != NULL ) { |
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202 | *v = 0; |
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203 | v++; |
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204 | } |
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205 | |
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206 | ROAR_DBG("roar_libroar_config_parse(*): k='%s', v='%s'", k, v); |
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207 | |
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208 | if ( !strcmp(k, "workaround") ) { |
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209 | if ( !strcmp(v, "use-execed") ) { |
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210 | config->workaround.workarounds |= ROAR_LIBROAR_CONFIG_WAS_USE_EXECED; |
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211 | } else { |
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212 | ROAR_WARN("roar_libroar_config_parse(*): Unknown workaround option: %s", v); |
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213 | } |
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214 | } else if ( !strcmp(k, "warning") || !strcmp(k, "warn") ) { |
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215 | if ( !strcmp(v, "sysio") ) { |
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216 | config->warnings.sysio = ROAR_WARNING_ALWAYS; |
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217 | } else { |
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218 | ROAR_WARN("roar_libroar_config_parse(*): Unknown warning option: %s", v); |
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219 | } |
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220 | } else if ( !strcmp(k, "codec") ) { |
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221 | if ( roar_libroar_config_parse_codec(config, v) == -1 ) { |
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222 | ROAR_WARN("roar_libroar_config_parse(*): Error parsing codec config option"); |
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223 | } |
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224 | } else if ( !strcmp(k, "set-server") ) { |
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225 | if ( roar_libroar_get_server() == NULL ) |
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226 | roar_libroar_set_server(v); |
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227 | } else { |
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228 | ROAR_WARN("roar_libroar_config_parse(*): Unknown option: %s", k); |
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229 | } |
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230 | } |
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231 | |
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232 | return 0; |
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233 | } |
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234 | |
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235 | struct roar_libroar_config_codec * roar_libroar_config_codec_get(int codec, int create) { |
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236 | struct roar_libroar_config * config = roar_libroar_get_config(); |
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237 | return roar_libroar_config_codec_get_conf(codec, create, config); |
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238 | } |
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239 | |
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240 | static struct roar_libroar_config_codec * |
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241 | roar_libroar_config_codec_get_conf(int codec, int create, struct roar_libroar_config * config) { |
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242 | int i; |
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243 | int need_new = 1; |
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244 | |
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245 | ROAR_DBG("roar_libroar_config_codec_get_conf(codec=%i, create=%i, config=%p) = ?", codec, create, config); |
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246 | |
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247 | if ( codec < 0 || create < 0 ) |
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248 | return NULL; |
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249 | |
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250 | ROAR_DBG("roar_libroar_config_codec_get_conf(codec=%i, create=%i, config=%p) = ?", codec, create, config); |
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251 | |
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252 | if ( config->codecs.num == 0 ) { |
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253 | // no match case: |
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254 | if ( !create ) |
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255 | return NULL; |
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256 | } else { |
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257 | for (i = 0; i < config->codecs.num; i++) { |
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258 | if ( config->codecs.codec[i].codec == codec ) |
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259 | return &(config->codecs.codec[i]); |
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260 | if ( config->codecs.codec[i].codec == -1 ) |
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261 | need_new = 0; |
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262 | } |
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263 | } |
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264 | |
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265 | ROAR_DBG("roar_libroar_config_codec_get_conf(codec=%i, create=%i, config=%p) = ?", codec, create, config); |
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266 | |
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267 | if ( !create ) |
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268 | return NULL; |
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269 | |
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270 | if ( !need_new ) { |
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271 | for (i = 0; i < config->codecs.num; i++) { |
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272 | if ( config->codecs.codec[i].codec == -1 ) { |
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273 | memset(&(config->codecs.codec[i]), 0, sizeof(struct roar_libroar_config_codec)); |
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274 | config->codecs.codec[i].codec = codec; |
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275 | return &(config->codecs.codec[i]); |
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276 | } |
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277 | } |
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278 | } |
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279 | |
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280 | if ( config->codecs.num == 0 ) { |
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281 | config->codecs.codec = malloc(16*sizeof(struct roar_libroar_config_codec)); |
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282 | } else { |
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283 | config->codecs.codec = realloc(config->codecs.codec, (config->codecs.num+16)*sizeof(struct roar_libroar_config_codec)); |
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284 | } |
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285 | |
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286 | if ( config->codecs.codec == NULL ) |
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287 | return NULL; |
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288 | |
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289 | memset(&(config->codecs.codec[config->codecs.num]), 0, 16); |
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290 | for (i = config->codecs.num; i < (config->codecs.num+16); i++) { |
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291 | config->codecs.codec[i].codec = -1; |
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292 | } |
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293 | |
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294 | i = config->codecs.num; |
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295 | config->codecs.num += 16; |
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296 | |
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297 | memset(&(config->codecs.codec[i]), 0, sizeof(struct roar_libroar_config_codec)); |
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298 | config->codecs.codec[i].codec = codec; |
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299 | |
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300 | return &(config->codecs.codec[i]); |
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301 | } |
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302 | |
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303 | int roar_libroar_set_server(char * server) { |
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304 | roar_libroar_get_config_ptr()->server = server; |
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305 | return 0; |
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306 | } |
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307 | |
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308 | char * roar_libroar_get_server(void) { |
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309 | return roar_libroar_get_config_ptr()->server; |
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310 | } |
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311 | |
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312 | //ll |
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