1 | //libroarsndio.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2010 |
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5 | * The code (may) include prototypes and comments (and maybe |
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6 | * other code fragements) from EsounD. |
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7 | * They are mostly copyrighted by Eric B. Mitchell (aka 'Ricdude) |
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8 | * <ericmit@ix.netcom.com>. For more information see AUTHORS.esd. |
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9 | * |
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10 | * This file is part of libroaresd a part of RoarAudio, |
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11 | * a cross-platform sound system for both, home and professional use. |
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12 | * See README for details. |
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13 | * |
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14 | * This file is free software; you can redistribute it and/or modify |
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15 | * it under the terms of the GNU General Public License version 3 |
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16 | * as published by the Free Software Foundation. |
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17 | * |
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18 | * RoarAudio is distributed in the hope that it will be useful, |
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19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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21 | * GNU General Public License for more details. |
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22 | * |
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23 | * You should have received a copy of the GNU General Public License |
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24 | * along with this software; see the file COPYING. If not, write to |
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25 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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26 | * Boston, MA 02110-1301, USA. |
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27 | * |
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28 | * NOTE for everyone want's to change something and send patches: |
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29 | * read README and HACKING! There a addition information on |
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30 | * the license of this document you need to read before you send |
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31 | * any patches. |
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32 | */ |
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33 | |
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34 | #define ROAR_USE_OWN_SNDIO_HDL |
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35 | #include "libroarsndio.h" |
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36 | |
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37 | static char * sndio_to_roar_names (char * name) { |
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38 | char * unitoffset = NULL; |
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39 | char * optsoffset = NULL; |
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40 | int unit; |
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41 | |
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42 | if ( name == NULL ) |
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43 | return NULL; |
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44 | |
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45 | if ( !strncmp(name, "sun:", 4) ) { |
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46 | unitoffset = name + 4; |
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47 | } else if ( !strncmp(name, "aucat:", 6) ) { |
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48 | unitoffset = name + 6; |
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49 | } else if ( !strncmp(name, "rmidi:", 6) ) { |
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50 | unitoffset = name + 6; |
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51 | } else if ( !strncmp(name, "midithru:", 9) ) { |
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52 | unitoffset = name + 9; |
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53 | } else { |
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54 | return name; |
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55 | } |
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56 | |
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57 | if ( (optsoffset = strstr(unitoffset, ".")) != NULL ) { |
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58 | // TODO: add some code to strip the options of the end |
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59 | return name; |
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60 | } else { |
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61 | unit = atoi(unitoffset); |
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62 | switch (unit) { |
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63 | // use defaulst |
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64 | case 0: return NULL; break; |
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65 | // use UNIX user sock, TODO: need some code here... |
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66 | case 1: return NULL; break; |
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67 | // use UNIX global sock: |
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68 | case 2: return ROAR_DEFAULT_SOCK_GLOBAL; break; |
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69 | // use DECnet localnode: |
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70 | case 3: return "::"; break; |
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71 | // use IPv4 localhost: |
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72 | case 4: return ROAR_DEFAULT_INET4_HOST; break; |
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73 | // reserved for DECnet Phase V: |
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74 | case 5: return name; break; |
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75 | // use IPv6 localhost: |
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76 | case 6: return ROAR_DEFAULT_INET6_HOST; break; |
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77 | // default: |
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78 | default: |
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79 | return name; |
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80 | } |
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81 | } |
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82 | |
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83 | return name; |
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84 | } |
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85 | |
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86 | struct sio_hdl * sio_open(const char * name, unsigned mode, int nbio_flag) { |
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87 | struct sio_hdl * hdl = NULL; |
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88 | int is_midi = 0; |
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89 | |
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90 | if ( (hdl = malloc(sizeof(struct sio_hdl))) == NULL ) |
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91 | return NULL; |
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92 | |
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93 | memset(hdl, 0, sizeof(struct sio_hdl)); |
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94 | |
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95 | switch (mode) { |
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96 | case SIO_PLAY: |
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97 | hdl->dir = ROAR_DIR_PLAY; |
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98 | break; |
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99 | case MIO_OUT: |
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100 | is_midi = 1; |
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101 | hdl->dir = ROAR_DIR_MIDI_IN; |
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102 | break; |
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103 | case MIO_IN: |
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104 | is_midi = 1; |
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105 | hdl->dir = ROAR_DIR_MIDI_OUT; |
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106 | break; |
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107 | |
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108 | // unsupported: |
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109 | case SIO_REC: |
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110 | case SIO_PLAY|SIO_REC: |
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111 | case MIO_OUT|MIO_IN: |
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112 | |
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113 | // illigal: |
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114 | default: |
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115 | free(hdl); |
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116 | return NULL; |
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117 | } |
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118 | |
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119 | if ( name == NULL ) { |
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120 | if ( is_midi ) { |
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121 | name = getenv("MIDIDEVICE"); |
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122 | } else { |
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123 | name = getenv("AUDIODEVICE"); |
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124 | } |
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125 | } |
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126 | |
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127 | name = sndio_to_roar_names((char*) name); |
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128 | |
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129 | if ( roar_simple_connect(&(hdl->con), (char*) name, "libroarsndio") == -1 ) { |
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130 | free(hdl); |
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131 | return NULL; |
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132 | } |
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133 | |
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134 | sio_initpar(&(hdl->para)); |
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135 | |
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136 | hdl->stream_opened = 0; |
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137 | |
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138 | if ( name != NULL ) |
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139 | hdl->device = strdup(name); |
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140 | |
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141 | if ( is_midi ) { |
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142 | hdl->info.codec = ROAR_CODEC_MIDI; |
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143 | hdl->info.bits = ROAR_MIDI_BITS; |
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144 | hdl->info.channels = ROAR_MIDI_CHANNELS_DEFAULT; |
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145 | hdl->info.rate = ROAR_MIDI_TICKS_PER_BEAT; |
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146 | if ( !sio_start(hdl) ) { |
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147 | sio_close(hdl); |
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148 | return NULL; |
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149 | } |
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150 | } |
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151 | |
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152 | hdl->nonblock = nbio_flag; |
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153 | |
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154 | return hdl; |
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155 | } |
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156 | |
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157 | void sio_close (struct sio_hdl * hdl) { |
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158 | if ( hdl == NULL ) |
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159 | return; |
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160 | |
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161 | sio_stop(hdl); |
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162 | |
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163 | roar_disconnect(&(hdl->con)); |
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164 | |
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165 | free(hdl); |
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166 | } |
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167 | |
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168 | int sio_eof (struct sio_hdl * hdl) { |
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169 | return hdl->ioerror; |
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170 | } |
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171 | |
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172 | void sio_onmove (struct sio_hdl * hdl, void (*cb)(void * arg, int delta), void * arg) { |
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173 | if ( hdl == NULL ) |
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174 | return; |
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175 | |
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176 | hdl->on_move = cb; |
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177 | hdl->on_move_arg = arg; |
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178 | } |
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179 | |
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180 | //ll |
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