[0] | 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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[81] | 75 | int roar_stream_connect_to (struct roar_connection * con, struct roar_stream * s, int type, char * host, int port) { |
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| 76 | struct roar_message m; |
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[82] | 77 | |
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| 78 | if ( roar_stream_connect_to_ask(con, s, type, host, port) == -1 ) |
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| 79 | return -1; |
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| 80 | |
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| 81 | if ( roar_recv_message(con, &m, NULL) == -1 ) |
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| 82 | return -1; |
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| 83 | |
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| 84 | if ( m.cmd == ROAR_CMD_OK ) |
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| 85 | return 0; |
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| 86 | return -1; |
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| 87 | } |
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| 88 | |
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| 89 | int roar_stream_connect_to_ask (struct roar_connection * con, struct roar_stream * s, int type, char * host, int port) { |
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| 90 | struct roar_message m; |
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[81] | 91 | int len = 0; |
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| 92 | |
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| 93 | if ( host == NULL ) |
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| 94 | return -1; |
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| 95 | |
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| 96 | m.cmd = ROAR_CMD_CON_STREAM; |
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| 97 | m.stream = s->id; |
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| 98 | m.pos = 0; |
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| 99 | |
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| 100 | m.data[0] = 0; |
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| 101 | m.data[1] = type; |
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| 102 | ((uint16_t*)&(m.data))[1] = ROAR_HOST2NET16(port); |
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| 103 | |
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| 104 | len = strlen(host); |
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| 105 | |
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| 106 | if ( len > 76 ) |
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| 107 | return -1; |
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| 108 | |
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| 109 | strncpy(&(m.data[4]), host, len); |
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| 110 | |
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| 111 | m.datalen = len + 4; |
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| 112 | |
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[82] | 113 | if ( roar_send_message(con, &m, NULL) == -1 ) |
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[81] | 114 | return -1; |
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| 115 | |
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[82] | 116 | return 0; |
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[81] | 117 | } |
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[0] | 118 | |
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| 119 | int roar_stream_add_data (struct roar_connection * con, struct roar_stream * s, char * data, size_t len) { |
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| 120 | struct roar_message m; |
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| 121 | |
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| 122 | m.cmd = ROAR_CMD_ADD_DATA; |
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| 123 | m.stream = s->id; |
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| 124 | m.datalen = len; |
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| 125 | |
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| 126 | // if ( roar_req(con, &m, (void**)&data) == -1 ) |
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| 127 | // return -1; |
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| 128 | if ( roar_send_message(con, &m, data) != 0 ) |
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| 129 | return -1; |
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| 130 | |
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| 131 | if ( roar_recv_message(con, &m, NULL) == -1 ) |
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| 132 | return -1; |
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| 133 | |
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| 134 | if ( m.cmd == ROAR_CMD_OK ) |
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| 135 | return 0; |
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| 136 | return -1; |
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| 137 | } |
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| 138 | |
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| 139 | |
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| 140 | #define _ROAR_STREAM_MESSAGE_LEN ((5+1)*4) |
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| 141 | |
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| 142 | int roar_stream_s2m (struct roar_stream * s, struct roar_message * m) { |
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| 143 | uint32_t * data; |
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| 144 | int i; |
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| 145 | |
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| 146 | if ( !(s && m) ) |
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| 147 | return -1; |
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| 148 | |
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| 149 | m->datalen = _ROAR_STREAM_MESSAGE_LEN; |
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| 150 | data = (uint32_t*) m->data; |
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| 151 | |
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| 152 | data[0] = s->dir; |
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| 153 | data[1] = s->pos_rel_id; |
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| 154 | data[2] = s->info.rate; |
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| 155 | data[3] = s->info.bits; |
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| 156 | data[4] = s->info.channels; |
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| 157 | data[5] = s->info.codec; |
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| 158 | |
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| 159 | for (i = 0; i < _ROAR_STREAM_MESSAGE_LEN/4; i++) |
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| 160 | data[i] = ROAR_HOST2NET32(data[i]); |
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| 161 | |
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| 162 | ROAR_DBG("roar_stream_s2m(*): s->info:"); |
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| 163 | roar_debug_audio_info_print(&s->info); |
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| 164 | |
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| 165 | return 0; |
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| 166 | } |
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| 167 | int roar_stream_m2s (struct roar_stream * s, struct roar_message * m) { |
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| 168 | uint32_t * data; |
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| 169 | int i; |
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| 170 | |
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| 171 | if ( !(s && m) ) |
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| 172 | return -1; |
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| 173 | |
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| 174 | if ( m->datalen != _ROAR_STREAM_MESSAGE_LEN ) |
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| 175 | return -1; |
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| 176 | |
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| 177 | data = (uint32_t*) m->data; |
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| 178 | |
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| 179 | for (i = 0; i < _ROAR_STREAM_MESSAGE_LEN/4; i++) |
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| 180 | data[i] = ROAR_NET2HOST32(data[i]); |
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| 181 | |
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| 182 | s->dir = data[0]; |
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| 183 | s->pos_rel_id = data[1]; |
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| 184 | s->info.rate = data[2]; |
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| 185 | s->info.bits = data[3]; |
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| 186 | s->info.channels = data[4]; |
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| 187 | s->info.codec = data[5]; |
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| 188 | |
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| 189 | ROAR_DBG("roar_stream_m2s(*): s->info:"); |
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| 190 | roar_debug_audio_info_print(&s->info); |
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| 191 | |
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| 192 | return 0; |
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| 193 | } |
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| 194 | |
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| 195 | //ll |
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