[0] | 1 | //stream.c: |
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| 2 | |
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[690] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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| 5 | * |
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| 6 | * This file is part of libroar 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 | * libroar 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 | * NOTE for everyone want's to change something and send patches: |
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| 24 | * read README and HACKING! There a addition information on |
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| 25 | * the license of this document you need to read before you send |
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| 26 | * any patches. |
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| 27 | * |
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| 28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 29 | * or libpulse*: |
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| 30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 31 | * and are therefore GPL. Because of this it may be illigal to use |
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| 32 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 33 | */ |
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| 34 | |
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[0] | 35 | #include "libroar.h" |
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| 36 | |
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| 37 | int roar_stream_connect (struct roar_connection * con, struct roar_stream * s, int dir) { |
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| 38 | struct roar_message m; |
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| 39 | |
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| 40 | s->dir = dir; |
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| 41 | |
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| 42 | m.cmd = ROAR_CMD_NEW_STREAM; |
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| 43 | m.stream = -1; |
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| 44 | m.pos = 0; |
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| 45 | |
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| 46 | roar_stream_s2m(s, &m); |
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| 47 | |
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| 48 | if ( roar_req(con, &m, NULL) != 0 ) |
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| 49 | return -1; |
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| 50 | |
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| 51 | if ( m.cmd == ROAR_CMD_OK ) { |
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| 52 | s->id = m.stream; |
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| 53 | |
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| 54 | ROAR_DBG("roar_stream_connect(*) = 0"); |
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| 55 | return 0; |
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| 56 | } |
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| 57 | |
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| 58 | ROAR_ERR("roar_stream_connect(*): Connecting new stream faild!"); |
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| 59 | ROAR_DBG("roar_stream_connect(*) = -1"); |
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| 60 | return -1; |
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| 61 | } |
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| 62 | |
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| 63 | int roar_stream_new (struct roar_stream * s, unsigned int rate, |
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| 64 | unsigned int channels, unsigned int bits, unsigned int codec) { |
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| 65 | |
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| 66 | |
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| 67 | s->fh = -1; |
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| 68 | s->id = -1; |
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| 69 | s->pos = 0; |
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| 70 | s->pos_rel_id = -1; |
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| 71 | |
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| 72 | s->dir = ROAR_DIR_DEFAULT; |
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| 73 | |
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| 74 | s->datalen = 0; |
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| 75 | s->offset = 0; |
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| 76 | |
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| 77 | s->database = NULL; |
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| 78 | s->dataoff = NULL; |
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| 79 | |
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| 80 | s->info.rate = rate; |
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| 81 | s->info.channels = channels; |
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| 82 | s->info.bits = bits; |
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| 83 | s->info.codec = codec; |
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| 84 | |
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| 85 | if ( bits > ROAR_BITS_MAX ) |
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| 86 | return -1; |
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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 roar_stream_exec (struct roar_connection * con, struct roar_stream * s) { |
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| 92 | struct roar_message m; |
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| 93 | |
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| 94 | m.cmd = ROAR_CMD_EXEC_STREAM; |
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| 95 | m.stream = s->id; |
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| 96 | m.datalen = 0; |
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| 97 | m.pos = 0; |
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| 98 | |
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| 99 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 100 | return -1; |
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| 101 | |
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| 102 | if ( m.cmd == ROAR_CMD_OK ) |
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| 103 | return 0; |
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| 104 | return -1; |
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| 105 | } |
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| 106 | |
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[81] | 107 | int roar_stream_connect_to (struct roar_connection * con, struct roar_stream * s, int type, char * host, int port) { |
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| 108 | struct roar_message m; |
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[82] | 109 | |
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| 110 | if ( roar_stream_connect_to_ask(con, s, type, host, port) == -1 ) |
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| 111 | return -1; |
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| 112 | |
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| 113 | if ( roar_recv_message(con, &m, NULL) == -1 ) |
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| 114 | return -1; |
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| 115 | |
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| 116 | if ( m.cmd == ROAR_CMD_OK ) |
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| 117 | return 0; |
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| 118 | return -1; |
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| 119 | } |
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| 120 | |
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| 121 | int roar_stream_connect_to_ask (struct roar_connection * con, struct roar_stream * s, int type, char * host, int port) { |
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| 122 | struct roar_message m; |
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[81] | 123 | int len = 0; |
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| 124 | |
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| 125 | if ( host == NULL ) |
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| 126 | return -1; |
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| 127 | |
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[487] | 128 | ROAR_DBG("roar_stream_connect_to_ask(*): Ask the server to connect to: %s:%i", host, port); |
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| 129 | |
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[81] | 130 | m.cmd = ROAR_CMD_CON_STREAM; |
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| 131 | m.stream = s->id; |
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| 132 | m.pos = 0; |
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| 133 | |
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| 134 | m.data[0] = 0; |
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| 135 | m.data[1] = type; |
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| 136 | ((uint16_t*)&(m.data))[1] = ROAR_HOST2NET16(port); |
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| 137 | |
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| 138 | len = strlen(host); |
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| 139 | |
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| 140 | if ( len > 76 ) |
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| 141 | return -1; |
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| 142 | |
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| 143 | strncpy(&(m.data[4]), host, len); |
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| 144 | |
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| 145 | m.datalen = len + 4; |
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| 146 | |
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[82] | 147 | if ( roar_send_message(con, &m, NULL) == -1 ) |
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[81] | 148 | return -1; |
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| 149 | |
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[82] | 150 | return 0; |
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[81] | 151 | } |
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[0] | 152 | |
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| 153 | int roar_stream_add_data (struct roar_connection * con, struct roar_stream * s, char * data, size_t len) { |
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| 154 | struct roar_message m; |
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| 155 | |
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| 156 | m.cmd = ROAR_CMD_ADD_DATA; |
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| 157 | m.stream = s->id; |
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[134] | 158 | m.pos = 0; |
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[0] | 159 | m.datalen = len; |
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| 160 | |
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| 161 | // if ( roar_req(con, &m, (void**)&data) == -1 ) |
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| 162 | // return -1; |
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| 163 | if ( roar_send_message(con, &m, data) != 0 ) |
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| 164 | return -1; |
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| 165 | |
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| 166 | if ( roar_recv_message(con, &m, NULL) == -1 ) |
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| 167 | return -1; |
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| 168 | |
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| 169 | if ( m.cmd == ROAR_CMD_OK ) |
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| 170 | return 0; |
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| 171 | return -1; |
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| 172 | } |
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| 173 | |
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[506] | 174 | int roar_stream_send_data (struct roar_connection * con, struct roar_stream * s, char * data, size_t len) { |
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| 175 | if ( ! s ) |
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| 176 | return -1; |
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| 177 | |
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| 178 | if ( s->fh == -1 ) { |
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| 179 | if ( !con ) |
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| 180 | return -1; |
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| 181 | |
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| 182 | if ( roar_stream_add_data(con, s, data, len) == -1 ) |
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| 183 | return -1; |
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| 184 | |
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| 185 | return len; |
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| 186 | } |
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| 187 | |
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| 188 | return write(s->fh, data, len); |
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| 189 | } |
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| 190 | |
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[465] | 191 | int roar_stream_get_info (struct roar_connection * con, struct roar_stream * s, struct roar_stream_info * info) { |
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| 192 | struct roar_message m; |
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| 193 | uint16_t * data = (uint16_t *) m.data; |
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| 194 | int i; |
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| 195 | |
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| 196 | m.cmd = ROAR_CMD_GET_STREAM_PARA; |
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| 197 | m.stream = s->id; |
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| 198 | m.datalen = 4; |
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| 199 | m.pos = 0; |
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| 200 | |
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| 201 | data[0] = 0; // Version and reserved |
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| 202 | data[1] = 1; // stream |
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| 203 | |
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| 204 | for (i = 0; i < m.datalen/2; i++) { |
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| 205 | data[i] = ROAR_HOST2NET16(data[i]); |
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| 206 | } |
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| 207 | |
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| 208 | if ( roar_req(con, &m, NULL) == -1 ) |
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| 209 | return -1; |
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| 210 | |
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| 211 | if ( m.cmd != ROAR_CMD_OK ) |
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| 212 | return -1; |
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| 213 | |
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| 214 | for (i = 0; i < m.datalen/2; i++) { |
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| 215 | data[i] = ROAR_NET2HOST16(data[i]); |
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| 216 | } |
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| 217 | |
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[540] | 218 | if ( m.datalen < 6*2 ) |
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[465] | 219 | return -1; |
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| 220 | |
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| 221 | if ( data[0] != 0 || data[1] != 1 ) |
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| 222 | return -1; |
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| 223 | |
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[496] | 224 | info->block_size = data[2]; |
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| 225 | info->pre_underruns = data[3]; |
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| 226 | info->post_underruns = data[4]; |
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[540] | 227 | info->codec = data[5]; |
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[465] | 228 | |
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| 229 | return 0; |
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| 230 | } |
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[0] | 231 | |
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| 232 | #define _ROAR_STREAM_MESSAGE_LEN ((5+1)*4) |
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| 233 | |
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| 234 | int roar_stream_s2m (struct roar_stream * s, struct roar_message * m) { |
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| 235 | uint32_t * data; |
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| 236 | int i; |
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| 237 | |
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| 238 | if ( !(s && m) ) |
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| 239 | return -1; |
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| 240 | |
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| 241 | m->datalen = _ROAR_STREAM_MESSAGE_LEN; |
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| 242 | data = (uint32_t*) m->data; |
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| 243 | |
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| 244 | data[0] = s->dir; |
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| 245 | data[1] = s->pos_rel_id; |
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| 246 | data[2] = s->info.rate; |
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| 247 | data[3] = s->info.bits; |
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| 248 | data[4] = s->info.channels; |
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| 249 | data[5] = s->info.codec; |
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| 250 | |
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| 251 | for (i = 0; i < _ROAR_STREAM_MESSAGE_LEN/4; i++) |
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| 252 | data[i] = ROAR_HOST2NET32(data[i]); |
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| 253 | |
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| 254 | ROAR_DBG("roar_stream_s2m(*): s->info:"); |
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| 255 | roar_debug_audio_info_print(&s->info); |
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| 256 | |
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| 257 | return 0; |
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| 258 | } |
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| 259 | int roar_stream_m2s (struct roar_stream * s, struct roar_message * m) { |
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| 260 | uint32_t * data; |
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| 261 | int i; |
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| 262 | |
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| 263 | if ( !(s && m) ) |
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| 264 | return -1; |
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| 265 | |
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| 266 | if ( m->datalen != _ROAR_STREAM_MESSAGE_LEN ) |
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| 267 | return -1; |
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| 268 | |
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| 269 | data = (uint32_t*) m->data; |
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| 270 | |
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| 271 | for (i = 0; i < _ROAR_STREAM_MESSAGE_LEN/4; i++) |
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| 272 | data[i] = ROAR_NET2HOST32(data[i]); |
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| 273 | |
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[465] | 274 | s->id = m->stream; |
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[0] | 275 | s->dir = data[0]; |
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| 276 | s->pos_rel_id = data[1]; |
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| 277 | s->info.rate = data[2]; |
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| 278 | s->info.bits = data[3]; |
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| 279 | s->info.channels = data[4]; |
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| 280 | s->info.codec = data[5]; |
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| 281 | |
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| 282 | ROAR_DBG("roar_stream_m2s(*): s->info:"); |
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| 283 | roar_debug_audio_info_print(&s->info); |
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| 284 | |
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| 285 | return 0; |
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| 286 | } |
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| 287 | |
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[537] | 288 | |
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| 289 | // codec funcs: |
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| 290 | |
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| 291 | /* |
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| 292 | #define roar_codec2str(x) ((x) == ROAR_CODEC_PCM_S_LE ? "pcm_s_le" : (x) == ROAR_CODEC_PCM_S_BE ? "pcm_s_be" : \ |
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| 293 | (x) == ROAR_CODEC_PCM_S_PDP ? "pcm_s_pdp" : (x) == ROAR_CODEC_MIDI_FILE ? "midi_file" : \ |
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| 294 | "unknown" ) |
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| 295 | */ |
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| 296 | |
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| 297 | struct { |
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| 298 | int codec; |
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| 299 | char * name; |
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| 300 | } _libroar_codec[] = { |
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| 301 | // PCM: |
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| 302 | {ROAR_CODEC_PCM_S_LE, "pcm_s_le" }, |
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| 303 | {ROAR_CODEC_PCM_S_BE, "pcm_s_be" }, |
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| 304 | {ROAR_CODEC_PCM_S_PDP, "pcm_s_pdp" }, |
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| 305 | {ROAR_CODEC_PCM_U_LE, "pcm_u_le" }, |
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| 306 | {ROAR_CODEC_PCM_U_BE, "pcm_u_be" }, |
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| 307 | {ROAR_CODEC_PCM_U_PDP, "pcm_u_pdp" }, |
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| 308 | {ROAR_CODEC_DEFAULT, "default" }, // alias |
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| 309 | {ROAR_CODEC_DEFAULT, "pcm" }, // alias |
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[557] | 310 | {ROAR_CODEC_DEFAULT, "raw" }, // alias |
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[537] | 311 | |
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| 312 | // MIDI: |
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| 313 | {ROAR_CODEC_MIDI_FILE, "midi_file" }, |
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| 314 | |
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| 315 | // XIPH: |
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| 316 | {ROAR_CODEC_OGG_VORBIS, "ogg_vorbis" }, |
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| 317 | {ROAR_CODEC_OGG_VORBIS, "vorbis" }, // alias |
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| 318 | {ROAR_CODEC_FLAC, "flac" }, |
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| 319 | {ROAR_CODEC_OGG_SPEEX, "ogg_speex" }, |
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| 320 | {ROAR_CODEC_OGG_SPEEX, "speex" }, // alias |
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| 321 | {ROAR_CODEC_OGG_FLAC, "ogg_flac" }, |
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| 322 | {ROAR_CODEC_OGG_GENERAL, "ogg_general"}, |
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| 323 | {ROAR_CODEC_ROAR_CELT, "roar_celt" }, |
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| 324 | {ROAR_CODEC_ROAR_SPEEX, "roar_speex" }, |
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[560] | 325 | |
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| 326 | // RIFF/WAVE like: |
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| 327 | {ROAR_CODEC_RIFF_WAVE, "riff_wave" }, |
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| 328 | {ROAR_CODEC_RIFF_WAVE, "wave" }, // alias |
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| 329 | {ROAR_CODEC_RIFF_WAVE, "wav" }, // alias |
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| 330 | |
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[733] | 331 | //Log codecs: |
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| 332 | {ROAR_CODEC_ALAW, "alaw" }, |
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| 333 | {ROAR_CODEC_MULAW, "mulaw" }, |
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| 334 | {ROAR_CODEC_MULAW, "ulaw" }, // alias |
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| 335 | |
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[537] | 336 | {-1, NULL} |
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| 337 | }; |
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| 338 | |
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| 339 | int roar_str2codec(char * codec) { |
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| 340 | int i; |
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[549] | 341 | int guess; |
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[537] | 342 | |
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[549] | 343 | if ( codec == NULL || *codec == 0 ) |
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| 344 | return ROAR_CODEC_DEFAULT; |
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| 345 | |
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| 346 | if ( (guess = atoi(codec)) > 0 ) |
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[537] | 347 | return guess; |
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| 348 | |
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| 349 | if ( codec == NULL || *codec == 0 ) |
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| 350 | return ROAR_CODEC_DEFAULT; |
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| 351 | |
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| 352 | for (i = 0; _libroar_codec[i].codec != -1; i++) |
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| 353 | if ( strcasecmp(_libroar_codec[i].name, codec) == 0 ) |
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| 354 | return _libroar_codec[i].codec; |
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| 355 | |
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| 356 | return -1; |
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| 357 | } |
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| 358 | |
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| 359 | |
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| 360 | char * roar_codec2str (int codec) { |
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| 361 | int i; |
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| 362 | |
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| 363 | for (i = 0; _libroar_codec[i].codec != -1; i++) |
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| 364 | if ( _libroar_codec[i].codec == codec ) |
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| 365 | return _libroar_codec[i].name; |
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| 366 | |
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| 367 | return "unknown"; |
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| 368 | } |
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| 369 | |
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[0] | 370 | //ll |
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