[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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| 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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