3 * Bluetooth low-complexity, subband codec (SBC) library
5 * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26 #if __BYTE_ORDER == __LITTLE_ENDIAN
27 #define COMPOSE_ID(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24))
28 #define LE_SHORT(v) (v)
30 #define BE_SHORT(v) bswap_16(v)
31 #define BE_INT(v) bswap_32(v)
32 #elif __BYTE_ORDER == __BIG_ENDIAN
33 #define COMPOSE_ID(a,b,c,d) ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24))
34 #define LE_SHORT(v) bswap_16(v)
35 #define LE_INT(v) bswap_32(v)
36 #define BE_SHORT(v) (v)
42 #define AU_MAGIC COMPOSE_ID('.','s','n','d')
46 #define AU_FMT_LIN16 3
49 uint32_t magic; /* '.snd' */
50 uint32_t hdr_size; /* size of header (min 24) */
51 uint32_t data_size; /* size of data */
52 uint32_t encoding; /* see to AU_FMT_XXXX */
53 uint32_t sample_rate; /* sample rate */
54 uint32_t channels; /* number of channels (voices) */