1 | //driver_sndio.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 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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | * |
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23 | */ |
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24 | |
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25 | #include "roard.h" |
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26 | #ifdef ROAR_HAVE_LIBSNDIO |
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27 | |
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28 | int driver_sndio_init_vio(struct roar_vio_calls * vio, struct driver_sndio * inst) { |
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29 | if ( vio == NULL ) |
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30 | return -1; |
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31 | |
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32 | memset(vio, 0, sizeof(struct roar_vio_calls)); |
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33 | |
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34 | vio->close = driver_sndio_close_vio; |
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35 | vio->write = driver_sndio_write; |
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36 | vio->sync = driver_sndio_sync; |
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37 | vio->ctl = driver_sndio_ctl; |
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38 | |
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39 | vio->inst = (void*) inst; |
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40 | |
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41 | return 0; |
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42 | } |
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43 | |
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44 | #define er() if ( self->handle ) sio_close(self->handle); if ( self->device ) free(self->device); free(self); return -1 |
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45 | int driver_sndio_open(struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh) { |
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46 | struct driver_sndio * self = NULL; |
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47 | |
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48 | if ( (self = malloc(sizeof(struct driver_sndio))) == NULL ) { |
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49 | ROAR_ERR("driver_sndio_open(*): Can not malloc() instance data: %s", strerror(errno)); |
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50 | return -1; |
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51 | } |
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52 | |
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53 | memset(self, 0, sizeof(struct driver_sndio)); |
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54 | memcpy(&(self->info), info, sizeof(struct roar_audio_info)); |
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55 | |
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56 | self->ssid = -1; |
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57 | |
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58 | if ( device != NULL ) |
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59 | self->device = strdup(device); |
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60 | |
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61 | if ( driver_sndio_init_vio(inst, self) == -1 ) { |
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62 | ROAR_ERR("driver_sndio_open(*): Can not init vio interface"); |
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63 | er(); |
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64 | } |
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65 | |
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66 | if ( driver_sndio_open_device(self) == -1 ) { |
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67 | ROAR_ERR("driver_sndio_open(*): Can not open audio device"); |
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68 | er(); |
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69 | } |
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70 | |
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71 | ROAR_DBG("driver_sndio_open(*): OSS devices opened :)"); |
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72 | |
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73 | return 0; |
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74 | } |
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75 | #undef er |
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76 | |
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77 | int driver_sndio_close_vio (struct roar_vio_calls * vio) { |
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78 | struct driver_sndio * self = vio->inst; |
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79 | |
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80 | if ( self->handle != NULL ) |
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81 | sio_close(self->handle); |
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82 | |
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83 | if ( self->device != NULL ) |
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84 | free(self->device); |
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85 | |
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86 | free(self); |
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87 | |
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88 | return 0; |
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89 | } |
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90 | |
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91 | int driver_sndio_open_device (struct driver_sndio * self) { |
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92 | |
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93 | if ( (self->handle = sio_open(self->device, SIO_PLAY, 0)) == NULL ) { |
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94 | ROAR_ERR("driver_sndio_open_device(*): Can not open sndio audio device"); |
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95 | return -1; |
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96 | } |
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97 | |
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98 | return 0; |
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99 | } |
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100 | |
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101 | int driver_sndio_config_device(struct driver_sndio * self) { |
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102 | struct sio_par par; |
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103 | |
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104 | sio_initpar(&par); |
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105 | |
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106 | par.bits = self->info.bits; |
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107 | par.rate = self->info.rate; |
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108 | par.pchan = self->info.channels; |
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109 | |
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110 | switch (self->info.codec) { |
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111 | case ROAR_CODEC_PCM_S_LE: |
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112 | par.le = 1; |
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113 | par.sig = 1; |
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114 | break; |
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115 | case ROAR_CODEC_PCM_S_BE: |
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116 | par.le = 0; |
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117 | par.sig = 1; |
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118 | break; |
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119 | case ROAR_CODEC_PCM_U_LE: |
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120 | par.le = 1; |
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121 | par.sig = 0; |
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122 | break; |
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123 | case ROAR_CODEC_PCM_U_BE: |
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124 | par.le = 0; |
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125 | par.sig = 0; |
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126 | break; |
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127 | default: |
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128 | return -1; |
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129 | break; |
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130 | } |
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131 | |
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132 | return -1; |
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133 | } |
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134 | |
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135 | int driver_sndio_reopen_device(struct driver_sndio * self); |
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136 | ssize_t driver_sndio_write (struct roar_vio_calls * vio, void *buf, size_t count); |
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137 | int driver_sndio_sync (struct roar_vio_calls * vio); |
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138 | |
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139 | int driver_sndio_ctl (struct roar_vio_calls * vio, int cmd, void * data) { |
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140 | switch (cmd) { |
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141 | default: return -1; |
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142 | } |
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143 | |
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144 | return 0; |
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145 | } |
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146 | |
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147 | #endif |
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148 | |
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149 | //ll |
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