1 | //stream.c: |
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2 | |
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3 | #include "libroar.h" |
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4 | |
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5 | int roar_stream_connect (struct roar_connection * con, struct roar_stream * s, int dir) { |
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6 | struct roar_message m; |
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7 | |
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8 | s->dir = dir; |
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9 | |
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10 | m.cmd = ROAR_CMD_NEW_STREAM; |
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11 | m.stream = -1; |
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12 | m.pos = 0; |
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13 | |
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14 | roar_stream_s2m(s, &m); |
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15 | |
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16 | if ( roar_req(con, &m, NULL) != 0 ) |
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17 | return -1; |
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18 | |
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19 | if ( m.cmd == ROAR_CMD_OK ) { |
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20 | s->id = m.stream; |
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21 | |
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22 | ROAR_DBG("roar_stream_connect(*) = 0"); |
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23 | return 0; |
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24 | } |
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25 | |
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26 | ROAR_ERR("roar_stream_connect(*): Connecting new stream faild!"); |
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27 | ROAR_DBG("roar_stream_connect(*) = -1"); |
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28 | return -1; |
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29 | } |
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30 | |
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31 | int roar_stream_new (struct roar_stream * s, unsigned int rate, |
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32 | unsigned int channels, unsigned int bits, unsigned int codec) { |
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33 | |
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34 | |
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35 | s->fh = -1; |
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36 | s->id = -1; |
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37 | s->pos = 0; |
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38 | s->pos_rel_id = -1; |
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39 | |
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40 | s->dir = ROAR_DIR_DEFAULT; |
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41 | |
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42 | s->datalen = 0; |
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43 | s->offset = 0; |
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44 | |
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45 | s->database = NULL; |
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46 | s->dataoff = NULL; |
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47 | |
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48 | s->info.rate = rate; |
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49 | s->info.channels = channels; |
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50 | s->info.bits = bits; |
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51 | s->info.codec = codec; |
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52 | |
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53 | if ( bits > ROAR_BITS_MAX ) |
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54 | return -1; |
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55 | |
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56 | return 0; |
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57 | } |
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58 | |
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59 | int roar_stream_exec (struct roar_connection * con, struct roar_stream * s) { |
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60 | struct roar_message m; |
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61 | |
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62 | m.cmd = ROAR_CMD_EXEC_STREAM; |
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63 | m.stream = s->id; |
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64 | m.datalen = 0; |
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65 | m.pos = 0; |
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66 | |
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67 | if ( roar_req(con, &m, NULL) == -1 ) |
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68 | return -1; |
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69 | |
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70 | if ( m.cmd == ROAR_CMD_OK ) |
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71 | return 0; |
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72 | return -1; |
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73 | } |
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74 | |
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75 | |
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76 | int roar_stream_add_data (struct roar_connection * con, struct roar_stream * s, char * data, size_t len) { |
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77 | struct roar_message m; |
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78 | |
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79 | m.cmd = ROAR_CMD_ADD_DATA; |
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80 | m.stream = s->id; |
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81 | m.datalen = len; |
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82 | |
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83 | // if ( roar_req(con, &m, (void**)&data) == -1 ) |
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84 | // return -1; |
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85 | if ( roar_send_message(con, &m, data) != 0 ) |
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86 | return -1; |
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87 | |
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88 | if ( roar_recv_message(con, &m, NULL) == -1 ) |
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89 | return -1; |
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90 | |
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91 | if ( m.cmd == ROAR_CMD_OK ) |
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92 | return 0; |
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93 | return -1; |
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94 | } |
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95 | |
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96 | |
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97 | #define _ROAR_STREAM_MESSAGE_LEN ((5+1)*4) |
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98 | |
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99 | int roar_stream_s2m (struct roar_stream * s, struct roar_message * m) { |
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100 | uint32_t * data; |
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101 | int i; |
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102 | |
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103 | if ( !(s && m) ) |
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104 | return -1; |
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105 | |
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106 | m->datalen = _ROAR_STREAM_MESSAGE_LEN; |
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107 | data = (uint32_t*) m->data; |
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108 | |
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109 | data[0] = s->dir; |
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110 | data[1] = s->pos_rel_id; |
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111 | data[2] = s->info.rate; |
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112 | data[3] = s->info.bits; |
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113 | data[4] = s->info.channels; |
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114 | data[5] = s->info.codec; |
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115 | |
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116 | for (i = 0; i < _ROAR_STREAM_MESSAGE_LEN/4; i++) |
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117 | data[i] = ROAR_HOST2NET32(data[i]); |
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118 | |
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119 | ROAR_DBG("roar_stream_s2m(*): s->info:"); |
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120 | roar_debug_audio_info_print(&s->info); |
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121 | |
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122 | return 0; |
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123 | } |
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124 | int roar_stream_m2s (struct roar_stream * s, struct roar_message * m) { |
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125 | uint32_t * data; |
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126 | int i; |
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127 | |
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128 | if ( !(s && m) ) |
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129 | return -1; |
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130 | |
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131 | if ( m->datalen != _ROAR_STREAM_MESSAGE_LEN ) |
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132 | return -1; |
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133 | |
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134 | data = (uint32_t*) m->data; |
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135 | |
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136 | for (i = 0; i < _ROAR_STREAM_MESSAGE_LEN/4; i++) |
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137 | data[i] = ROAR_NET2HOST32(data[i]); |
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138 | |
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139 | s->dir = data[0]; |
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140 | s->pos_rel_id = data[1]; |
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141 | s->info.rate = data[2]; |
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142 | s->info.bits = data[3]; |
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143 | s->info.channels = data[4]; |
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144 | s->info.codec = data[5]; |
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145 | |
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146 | ROAR_DBG("roar_stream_m2s(*): s->info:"); |
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147 | roar_debug_audio_info_print(&s->info); |
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148 | |
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149 | return 0; |
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150 | } |
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151 | |
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152 | //ll |
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