1 | //sources.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
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5 | * |
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6 | * This file is part of roard a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * RoarAudio is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 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 | */ |
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25 | |
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26 | #include "roard.h" |
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27 | |
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28 | #ifndef ROAR_WITHOUT_DCOMP_SOURCES |
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29 | |
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30 | static int g_source_client = -1; |
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31 | |
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32 | #define ROAR_SOURCE_DEFAULT "cf" |
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33 | |
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34 | struct roar_source g_source[] = { |
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35 | {"raw", "DSTR source", "/some/file", SRC_FLAG_FHSEC, ROAR_SUBSYS_WAVEFORM, NULL, sources_add_dstr}, |
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36 | {"cf", "Old CF source", "/some/file.ext", SRC_FLAG_NONE, ROAR_SUBSYS_WAVEFORM, sources_add_cf, NULL}, |
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37 | {"roar", "New simple RoarAudio source", "some.host", SRC_FLAG_NONE, ROAR_SUBSYS_WAVEFORM, NULL, sources_add_roar}, |
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38 | #ifndef ROAR_WITHOUT_DCOMP_CDRIVER |
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39 | {"oss", "OSS CDriver", "/dev/audio", SRC_FLAG_NONE, ROAR_SUBSYS_WAVEFORM, NULL, sources_add_cdriver}, |
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40 | #endif |
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41 | {"radionoise", "Noise source at -102dB", NULL, SRC_FLAG_NONE, ROAR_SUBSYS_WAVEFORM, NULL, sources_add_radionoise}, |
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42 | {NULL, NULL, NULL, SRC_FLAG_NONE, 0, NULL, NULL} // EOL |
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43 | }; |
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44 | |
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45 | int sources_init (void) { |
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46 | return 0; |
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47 | } |
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48 | |
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49 | void print_sourcelist (void) { |
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50 | int i; |
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51 | char subsys[7] = " "; |
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52 | |
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53 | printf(" Source Flag Subsys - Description (devices)\n"); |
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54 | printf("-------------------------------------------------------\n"); |
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55 | |
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56 | for (i = 0; g_source[i].name != NULL; i++) { |
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57 | strncpy(subsys, " ", 6); |
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58 | |
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59 | if ( g_source[i].subsystems & ROAR_SUBSYS_WAVEFORM ) |
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60 | subsys[0] = 'W'; |
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61 | if ( g_source[i].subsystems & ROAR_SUBSYS_MIDI ) |
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62 | subsys[1] = 'M'; |
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63 | if ( g_source[i].subsystems & ROAR_SUBSYS_CB ) |
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64 | subsys[2] = 'C'; |
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65 | if ( g_source[i].subsystems & ROAR_SUBSYS_LIGHT ) |
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66 | subsys[3] = 'L'; |
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67 | if ( g_source[i].subsystems & ROAR_SUBSYS_RAW ) |
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68 | subsys[4] = 'R'; |
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69 | if ( g_source[i].subsystems & ROAR_SUBSYS_COMPLEX ) |
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70 | subsys[5] = 'X'; |
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71 | |
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72 | if ( g_source[i].devices != NULL ) { |
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73 | printf(" %-10s %c%c%c %6s - %s (devices: %s)\n", g_source[i].name, |
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74 | g_source[i].flags & SRC_FLAG_FHSEC ? 's' : ' ', |
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75 | g_source[i].old_open != NULL ? 'S' : ' ', |
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76 | g_source[i].new_open != NULL ? 'N' : ' ', |
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77 | subsys, |
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78 | g_source[i].desc, g_source[i].devices); |
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79 | } else { |
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80 | printf(" %-9s %c%c%c %6s - %s\n", g_source[i].name, |
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81 | g_source[i].flags & SRC_FLAG_FHSEC ? 's' : ' ', |
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82 | g_source[i].old_open != NULL ? 'S' : ' ', |
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83 | g_source[i].new_open != NULL ? 'N' : ' ', |
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84 | subsys, |
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85 | g_source[i].desc); |
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86 | } |
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87 | } |
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88 | } |
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89 | |
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90 | |
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91 | int sources_set_client (int client) { |
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92 | if ( client >= 0 ) { |
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93 | g_source_client = client; |
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94 | return 0; |
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95 | } else { |
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96 | return -1; |
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97 | } |
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98 | } |
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99 | |
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100 | int sources_free (void) { |
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101 | return 0; |
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102 | } |
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103 | |
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104 | int sources_add (char * driver, char * device, char * container, char * options, int primary) { |
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105 | int i; |
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106 | |
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107 | if ( driver == NULL ) |
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108 | driver = ROAR_SOURCE_DEFAULT; |
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109 | |
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110 | for (i = 0; g_source[i].name != NULL; i++) { |
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111 | if ( !strcmp(g_source[i].name, driver) ) { |
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112 | if ( g_source[i].new_open != NULL ) { |
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113 | return sources_add_new(&(g_source[i]), driver, device, container, options, primary); |
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114 | } else if ( g_source[i].old_open != NULL ) { |
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115 | return g_source[i].old_open(driver, device, container, options, primary); |
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116 | } else { |
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117 | ROAR_ERR("sources_add(driver='%s', ...): Found source but did not find any open rutine", driver); |
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118 | return -1; |
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119 | } |
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120 | } |
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121 | } |
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122 | |
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123 | ROAR_ERR("sources_add(driver='%s', ...): Source not found", driver); |
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124 | return -1; |
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125 | } |
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126 | |
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127 | int sources_add_new (struct roar_source * source, |
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128 | char * driver, char * device, |
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129 | char * container, |
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130 | char * options, int primary) { |
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131 | int stream; |
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132 | int fh = -1; |
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133 | struct roar_stream * s; |
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134 | struct roar_stream_server * ss; |
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135 | char * k, * v; |
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136 | int error = 0; |
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137 | int f_sync = 0, f_mmap = 0; |
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138 | int codec; |
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139 | char * strtok_store; |
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140 | |
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141 | if ( source == NULL ) |
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142 | return -1; |
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143 | |
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144 | if ( (stream = streams_new()) == -1 ) { |
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145 | return -1; |
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146 | } |
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147 | |
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148 | if ( streams_get(stream, &ss) == -1 ) { |
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149 | streams_delete(stream); |
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150 | return -1; |
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151 | } |
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152 | |
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153 | s = ROAR_STREAM(ss); |
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154 | |
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155 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
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156 | |
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157 | codec = s->info.codec; |
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158 | |
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159 | if ( streams_set_dir(stream, ROAR_DIR_PLAY, 1) == -1 ) { |
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160 | streams_delete(stream); |
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161 | return -1; |
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162 | } |
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163 | |
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164 | s->pos_rel_id = -1; |
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165 | |
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166 | if ( options == NULL ) { |
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167 | k = NULL; |
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168 | } else { |
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169 | k = roar_mm_strtok_r(options, ",", &strtok_store); |
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170 | } |
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171 | while (k != NULL) { |
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172 | if ( (v = strstr(k, "=")) != NULL ) { |
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173 | *v++ = 0; |
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174 | } |
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175 | |
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176 | if ( strcmp(k, "rate") == 0 ) { |
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177 | s->info.rate = roar_str2rate(v); |
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178 | } else if ( strcmp(k, "channels") == 0 ) { |
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179 | s->info.channels = roar_str2channels(v); |
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180 | } else if ( strcmp(k, "bits") == 0 ) { |
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181 | s->info.bits = roar_str2bits(v); |
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182 | } else if ( strcmp(k, "codec") == 0 ) { |
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183 | if ( (codec = roar_str2codec(v)) == -1 ) { |
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184 | ROAR_ERR("sources_add_new(*): unknown codec '%s'", v); |
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185 | error++; |
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186 | } |
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187 | |
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188 | } else if ( strcmp(k, "name") == 0 ) { |
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189 | if ( streams_set_name(stream, v) == -1 ) { |
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190 | ROAR_ERR("add_output(*): Can not set Stream name"); |
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191 | error++; |
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192 | } |
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193 | |
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194 | } else if ( strcmp(k, "mmap") == 0 ) { |
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195 | f_mmap = 1; |
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196 | } else if ( strcmp(k, "sync") == 0 ) { |
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197 | f_sync = 1; |
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198 | } else if ( strcmp(k, "primary") == 0 ) { |
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199 | primary = 1; |
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200 | } else if ( strcmp(k, "meta") == 0 ) { |
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201 | streams_set_flag(stream, ROAR_FLAG_META); |
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202 | } else if ( strcmp(k, "cleanmeta") == 0 ) { |
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203 | streams_set_flag(stream, ROAR_FLAG_CLEANMETA); |
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204 | } else if ( strcmp(k, "autoconf") == 0 ) { |
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205 | streams_set_flag(stream, ROAR_FLAG_AUTOCONF); |
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206 | |
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207 | } else { |
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208 | ROAR_ERR("sources_add_new(*): unknown option '%s'", k); |
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209 | error++; |
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210 | } |
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211 | |
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212 | if ( error ) { |
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213 | streams_delete(stream); |
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214 | if ( primary ) alive = 0; |
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215 | return -1; |
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216 | } |
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217 | |
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218 | k = roar_mm_strtok_r(NULL, ",", &strtok_store); |
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219 | } |
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220 | |
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221 | if ( primary ) |
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222 | streams_mark_primary(stream); |
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223 | |
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224 | streams_set_flag(stream, ROAR_FLAG_SOURCE); |
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225 | client_stream_add(g_source_client, stream); |
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226 | |
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227 | if ( codec == ROAR_CODEC_ALAW || codec == ROAR_CODEC_MULAW ) |
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228 | s->info.bits = 8; // needed to open OSS driver, will be overriden by codecfilter |
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229 | |
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230 | s->info.codec = codec; |
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231 | ROAR_STREAM_SERVER(s)->codec_orgi = codec; |
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232 | |
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233 | if ( source->new_open(stream, device, fh, driver) == -1 ) { |
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234 | streams_delete(stream); |
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235 | return -1; |
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236 | } |
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237 | |
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238 | _LIBROAR_IGNORE_RET(roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_SET_SSTREAMID, &stream)); // ignore errors here |
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239 | _LIBROAR_IGNORE_RET(roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_SET_SSTREAM, s)); // ignore errors here |
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240 | |
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241 | if ( f_sync ) { |
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242 | streams_set_flag(stream, ROAR_FLAG_SYNC); |
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243 | } else { |
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244 | streams_reset_flag(stream, ROAR_FLAG_SYNC); |
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245 | } |
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246 | |
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247 | if ( f_mmap ) |
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248 | streams_set_flag(stream, ROAR_FLAG_MMAP); |
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249 | |
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250 | return 0; |
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251 | } |
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252 | |
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253 | int sources_add_dstr (int stream , const char * device, int fh, const char * driver) { |
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254 | struct roar_stream_server * ss; |
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255 | struct roar_vio_defaults def; |
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256 | |
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257 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_NONE, O_RDONLY, 0644) == -1 ) |
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258 | return -1; |
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259 | |
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260 | streams_get(stream, &ss); |
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261 | |
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262 | if ( fh > -1 ) { |
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263 | if ( roar_vio_open_fh(&(ss->vio), fh) == -1 ) |
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264 | return -1; |
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265 | } else { |
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266 | if ( roar_vio_open_dstr(&(ss->vio), device, &def, 1) == -1 ) |
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267 | return -1; |
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268 | } |
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269 | |
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270 | return streams_set_fh(stream, -2); |
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271 | } |
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272 | |
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273 | #define _ret(x) streams_delete(stream); return (x) |
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274 | |
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275 | int sources_add_cf (const char * driver, const char * device, const char * container, const char * options, int primary) { |
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276 | int stream; |
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277 | int codec; |
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278 | int len; |
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279 | char buf[64]; |
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280 | struct roar_stream * s; |
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281 | struct roar_vio_calls * vio; |
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282 | struct roar_vio_defaults def; |
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283 | |
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284 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_NONE, O_RDONLY, 0644) == -1 ) |
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285 | return -1; |
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286 | |
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287 | if ( (stream = streams_new()) == -1 ) { |
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288 | return -1; |
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289 | } |
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290 | |
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291 | streams_get_clientobj(stream, &s); |
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292 | |
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293 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
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294 | |
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295 | if ( streams_set_dir(stream, ROAR_DIR_PLAY, 1) == -1 ) { |
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296 | streams_delete(stream); |
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297 | return -1; |
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298 | } |
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299 | |
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300 | s->pos_rel_id = -1; |
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301 | |
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302 | /* |
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303 | if ( (fh = open(device, O_RDONLY, 0644)) == -1 ) { |
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304 | return -1; |
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305 | } |
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306 | */ |
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307 | |
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308 | vio = &(ROAR_STREAM_SERVER(s)->vio); |
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309 | |
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310 | //if ( roar_vio_open_file(vio, device, O_RDONLY, 0644) == -1 ) { |
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311 | if ( roar_vio_open_dstr(vio, device, &def, 1) == -1 ) { |
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312 | roar_vio_clear_calls(vio); // clear the VIO object again |
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313 | // from things roar_vio_open_dstr() left. |
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314 | _ret(-1); |
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315 | } |
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316 | |
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317 | ROAR_DBG("sources_add_cf(*) = ?"); |
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318 | |
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319 | // TODO: find out a better way of doing auto detetion without need for seek! |
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320 | if ( options == NULL ) { |
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321 | if ( (len = roar_vio_read(vio, buf, 64)) < 1 ) { |
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322 | _ret(-1); |
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323 | } |
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324 | |
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325 | if ( roar_vio_lseek(vio, -len, SEEK_CUR) == (off_t)-1 ) { |
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326 | _ret(-1); |
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327 | } |
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328 | |
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329 | if ( (codec = roar_file_codecdetect(buf, len)) == -1 ) { |
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330 | _ret(-1); |
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331 | } |
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332 | } else { |
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333 | if ( !strncmp(options, "codec=", 6) ) |
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334 | options += 6; |
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335 | |
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336 | if ( (codec = roar_str2codec(options)) == -1 ) { |
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337 | _ret(-1); |
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338 | } |
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339 | } |
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340 | |
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341 | s->info.codec = codec; |
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342 | |
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343 | ROAR_STREAM_SERVER(s)->codec_orgi = codec; |
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344 | |
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345 | ROAR_DBG("sources_add_cf(*) = ?"); |
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346 | streams_set_fh(stream, -2); |
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347 | ROAR_DBG("sources_add_cf(*) = ?"); |
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348 | streams_set_socktype(stream, ROAR_SOCKET_TYPE_FILE); |
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349 | |
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350 | if ( primary ) |
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351 | streams_mark_primary(stream); |
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352 | |
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353 | streams_set_flag(stream, ROAR_FLAG_SOURCE); |
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354 | client_stream_add(g_source_client, stream); |
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355 | |
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356 | return 0; |
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357 | } |
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358 | |
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359 | #undef _ret |
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360 | |
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361 | #ifndef ROAR_WITHOUT_DCOMP_CDRIVER |
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362 | int sources_add_cdriver (int stream , const char * device, int fh, const char * driver) { |
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363 | struct roar_stream_server * ss; |
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364 | |
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365 | if ( fh > -1 ) |
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366 | return -1; |
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367 | |
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368 | if ( streams_get(stream, &ss) == -1 ) |
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369 | return -1; |
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370 | |
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371 | if ( !strncmp(driver, "cdriver:", 8) ) |
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372 | driver += 8; |
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373 | |
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374 | ROAR_DBG("sources_add_cdriver(stream=%i, device='%s', fh=%i, driver='%s') = ?", stream, device, fh, driver); |
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375 | |
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376 | if ( roar_cdriver_open(&(ss->vio), driver, device, &(ROAR_STREAM(ss)->info), ROAR_DIR_RECORD) == -1 ) |
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377 | return -1; |
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378 | |
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379 | return streams_set_fh(stream, -2); |
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380 | } |
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381 | #endif |
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382 | |
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383 | static ssize_t sources_radionoise_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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384 | int32_t * pcm = buf; |
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385 | int16_t noise; |
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386 | size_t len, i; |
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387 | |
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388 | ROAR_DBG("sources_radionoise_read(vio=%p, buf=%p, count=%llu) = 0", vio, buf, (long long unsigned int)count); |
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389 | |
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390 | // ensure size is a multiple of 4. |
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391 | count -= count & 0x03LLU; |
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392 | |
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393 | if ( count == 0 ) |
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394 | return 0; |
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395 | |
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396 | if ( buf == NULL ) |
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397 | return -1; |
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398 | |
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399 | roar_random_gen_nonce(buf, count); |
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400 | |
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401 | len = count / 4; |
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402 | |
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403 | for (i = 0; i < len; i++) { |
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404 | noise = pcm[i] & 0xFFFF; |
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405 | pcm[i] = ((int32_t)noise << 16) >> 17; |
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406 | } |
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407 | |
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408 | ROAR_DBG("sources_radionoise_read(vio=%p, buf=%p, count=?) = %llu", vio, buf, (long long unsigned int)count); |
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409 | return count; |
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410 | } |
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411 | |
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412 | static int sources_radionoise_return_zero (struct roar_vio_calls * vio) { |
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413 | (void)vio; |
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414 | |
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415 | ROAR_DBG("sources_radionoise_return_zero(vio=%p) = 0", vio); |
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416 | |
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417 | return 0; |
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418 | } |
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419 | |
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420 | int sources_add_radionoise (int stream, const char * device, int fh, const char * driver) { |
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421 | struct roar_stream_server * ss; |
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422 | struct roar_audio_info * info; |
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423 | |
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424 | if ( fh > -1 ) |
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425 | return -1; |
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426 | |
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427 | if ( streams_get(stream, &ss) == -1 ) |
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428 | return -1; |
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429 | |
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430 | info = &(ROAR_STREAM(ss)->info); |
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431 | |
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432 | info->codec = ROAR_CODEC_DEFAULT; |
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433 | info->bits = 32; |
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434 | |
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435 | memset(&(ss->vio), 0, sizeof(struct roar_vio_calls)); |
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436 | ss->vio.read = sources_radionoise_read; |
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437 | ss->vio.close = sources_radionoise_return_zero; |
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438 | ss->vio.sync = sources_radionoise_return_zero; |
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439 | ss->vio.nonblock = (int (*)(struct roar_vio_calls * vio, int state))sources_radionoise_return_zero; |
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440 | |
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441 | return streams_set_fh(stream, -2); |
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442 | } |
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443 | |
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444 | int sources_add_roar (int stream, const char * device, int fh, const char * driver) { |
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445 | struct roar_stream_server * ss; |
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446 | struct roar_stream * s; |
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447 | |
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448 | if ( fh > -1 ) |
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449 | return -1; |
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450 | |
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451 | if ( streams_get(stream, &ss) == -1 ) |
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452 | return -1; |
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453 | |
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454 | s = ROAR_STREAM(ss); |
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455 | |
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456 | if ( roar_vio_simple_stream(&(ss->vio), s->info.rate, s->info.channels, s->info.bits, s->info.codec, |
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457 | device, ROAR_DIR_MONITOR, "roard") == -1 ) |
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458 | return -1; |
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459 | |
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460 | return streams_set_fh(stream, -2); |
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461 | } |
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462 | |
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463 | #endif |
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464 | |
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465 | //ll |
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