1 | //roar.c: |
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2 | |
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3 | #include <stdio.h> |
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4 | #include <stdlib.h> |
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5 | #include <errno.h> |
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6 | #include <string.h> |
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7 | #include <unistd.h> |
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8 | #include <roaraudio.h> |
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9 | #include <signal.h> |
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10 | #include <sys/time.h> |
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11 | #include <sys/uio.h> |
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12 | #include <inttypes.h> |
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13 | |
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14 | #include <xine/xine_internal.h> |
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15 | #include <xine/xineutils.h> |
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16 | #include <xine/audio_out.h> |
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17 | #include <xine/metronom.h> |
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18 | |
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19 | #define AO_OUT_ROAR_IFACE_VERSION 8 |
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20 | |
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21 | #define GAP_TOLERANCE 5000 |
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22 | |
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23 | typedef struct esd_driver_s { |
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24 | ao_driver_t ao_driver; |
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25 | |
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26 | xine_t *xine; |
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27 | |
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28 | int capabilities; |
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29 | |
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30 | struct roar_connection con; |
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31 | struct roar_stream stream; |
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32 | int fh; |
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33 | |
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34 | } roar_driver_t; |
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35 | |
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36 | typedef struct { |
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37 | audio_driver_class_t driver_class; |
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38 | xine_t *xine; |
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39 | } roar_class_t; |
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40 | |
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41 | static int ao_roar_open(ao_driver_t *this_gen, |
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42 | uint32_t bits, uint32_t rate, int mode) { |
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43 | return -1; |
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44 | } |
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45 | static void ao_roar_close(ao_driver_t *this_gen) { |
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46 | roar_driver_t *this = (roar_driver_t *) this_gen; |
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47 | |
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48 | if ( this->fh != -1 ) |
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49 | close(this->fh); |
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50 | this->fh = -1; |
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51 | } |
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52 | |
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53 | static int ao_roar_num_channels(ao_driver_t *this_gen) { |
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54 | return -1; |
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55 | } |
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56 | |
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57 | static int ao_roar_bytes_per_frame(ao_driver_t *this_gen) { |
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58 | roar_driver_t *this = (roar_driver_t *) this_gen; |
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59 | return (this->stream.info.bits * this->stream.info.channels)/8; |
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60 | } |
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61 | |
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62 | static int ao_roar_delay(ao_driver_t *this_gen) { |
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63 | return 0; |
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64 | } |
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65 | |
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66 | static int ao_roar_write(ao_driver_t *this_gen, |
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67 | int16_t* frame_buffer, uint32_t num_frames) { |
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68 | roar_driver_t *this = (roar_driver_t *) this_gen; |
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69 | int bpf = (this->stream.info.bits * this->stream.info.channels)/8; |
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70 | return write(this->fh, frame_buffer, num_frames*bpf) / bpf; |
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71 | } |
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72 | static int ao_roar_get_gap_tolerance (ao_driver_t *this_gen) { |
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73 | return GAP_TOLERANCE; |
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74 | } |
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75 | |
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76 | static void ao_roar_exit(ao_driver_t *this_gen) { |
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77 | roar_driver_t *this = (roar_driver_t *) this_gen; |
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78 | |
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79 | ao_roar_close(this_gen); |
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80 | |
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81 | roar_disconnect(&(this->con)); |
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82 | |
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83 | free(this); |
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84 | } |
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85 | |
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86 | static int ao_roar_get_property (ao_driver_t *this_gen, int property) { |
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87 | return 0; |
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88 | } |
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89 | static int ao_roar_set_property (ao_driver_t *this_gen, int property, int value) { |
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90 | return ~value; |
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91 | } |
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92 | |
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93 | static int ao_roar_ctrl(ao_driver_t *this_gen, int cmd, ...) { |
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94 | return 0; |
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95 | } |
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96 | |
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97 | static uint32_t ao_roar_get_capabilities (ao_driver_t *this_gen) { |
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98 | roar_driver_t *this = (roar_driver_t *) this_gen; |
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99 | return this->capabilities; |
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100 | } |
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101 | |
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102 | static ao_driver_t *open_plugin (audio_driver_class_t *class_gen, |
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103 | const void *data) { |
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104 | roar_driver_t *this; |
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105 | |
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106 | this = (roar_driver_t *) xine_xmalloc(sizeof(roar_driver_t)); |
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107 | if ( !this ) |
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108 | return NULL; |
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109 | |
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110 | if ( roar_simple_connect(&(this->con), NULL, "libxine") == -1 ) { |
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111 | free(this); |
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112 | return NULL; |
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113 | } |
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114 | |
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115 | this->fh = -1; |
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116 | |
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117 | this->capabilities = AO_CAP_MODE_MONO | AO_CAP_MODE_STEREO | AO_CAP_MIXER_VOL | AO_CAP_MUTE_VOL; |
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118 | |
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119 | |
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120 | this->ao_driver.get_capabilities = ao_roar_get_capabilities; |
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121 | this->ao_driver.get_property = ao_roar_get_property; |
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122 | this->ao_driver.set_property = ao_roar_set_property; |
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123 | this->ao_driver.open = ao_roar_open; |
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124 | this->ao_driver.num_channels = ao_roar_num_channels; |
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125 | this->ao_driver.bytes_per_frame = ao_roar_bytes_per_frame; |
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126 | this->ao_driver.get_gap_tolerance = ao_roar_get_gap_tolerance; |
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127 | this->ao_driver.delay = ao_roar_delay; |
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128 | this->ao_driver.write = ao_roar_write; |
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129 | this->ao_driver.close = ao_roar_close; |
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130 | this->ao_driver.exit = ao_roar_exit; |
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131 | this->ao_driver.control = ao_roar_ctrl; |
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132 | |
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133 | return &(this->ao_driver); |
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134 | } |
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135 | |
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136 | |
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137 | static char* get_identifier (audio_driver_class_t *this_gen) { |
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138 | return "roar"; |
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139 | } |
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140 | |
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141 | static char* get_description (audio_driver_class_t *this_gen) { |
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142 | return _("xine audio output plugin using RoarAudio"); |
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143 | } |
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144 | |
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145 | static void dispose_class (audio_driver_class_t *this_gen) { |
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146 | |
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147 | roar_class_t *this = (roar_class_t *) this_gen; |
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148 | |
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149 | free (this); |
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150 | } |
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151 | |
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152 | static void *init_class (xine_t *xine, void *data) { |
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153 | |
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154 | roar_class_t *this; |
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155 | |
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156 | this = (roar_class_t *) xine_xmalloc(sizeof(roar_class_t)); |
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157 | |
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158 | this->driver_class.open_plugin = open_plugin; |
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159 | this->driver_class.get_identifier = get_identifier; |
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160 | this->driver_class.get_description = get_description; |
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161 | this->driver_class.dispose = dispose_class; |
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162 | |
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163 | this->xine = xine; |
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164 | |
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165 | return this; |
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166 | } |
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167 | |
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168 | static const ao_info_t ao_info_roar = { |
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169 | 4 |
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170 | }; |
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171 | |
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172 | const plugin_info_t xine_plugin_info[] = { |
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173 | /* type, API, "name", version, special_info, init_function */ |
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174 | { PLUGIN_AUDIO_OUT, AO_OUT_ROAR_IFACE_VERSION, "roar", XINE_VERSION_CODE, &ao_info_roar, init_class }, |
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175 | { PLUGIN_NONE, 0, "", 0, NULL, NULL } |
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176 | }; |
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177 | |
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178 | //ll |
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