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/*
* Bluetooth low-complexity, subband codec (SBC) library
* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <byteswap.h>
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define COMPOSE_ID(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24))
#define LE_SHORT(v) (v)
#define LE_INT(v) (v)
#define BE_SHORT(v) bswap_16(v)
#define BE_INT(v) bswap_32(v)
#elif __BYTE_ORDER == __BIG_ENDIAN
#define COMPOSE_ID(a,b,c,d) ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24))
#define LE_SHORT(v) bswap_16(v)
#define LE_INT(v) bswap_32(v)
#define BE_SHORT(v) (v)
#define BE_INT(v) (v)
#else
#error "Wrong endian"
#endif
#define AU_MAGIC COMPOSE_ID('.','s','n','d')
#define AU_FMT_ULAW 1
#define AU_FMT_LIN8 2
#define AU_FMT_LIN16 3
struct au_header {
uint32_t magic; /* '.snd' */
uint32_t hdr_size; /* size of header (min 24) */
uint32_t data_size; /* size of data */
uint32_t encoding; /* see to AU_FMT_XXXX */
uint32_t sample_rate; /* sample rate */
uint32_t channels; /* number of channels (voices) */
};
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