/* * *  Bluetooth low-complexity, subband codec (SBC) library * *  Copyright (C) 2004-2008  Marcel Holtmann <marcel@holtmann.org> * * *  This program is free software; you can redistribute it and/or modify *  it under the terms of the GNU General Public License as published by *  the Free Software Foundation; either version 2 of the License, or *  (at your option) any later version. * *  This program is distributed in the hope that it will be useful, *  but WITHOUT ANY WARRANTY; without even the implied warranty of *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *  GNU General Public License for more details. * *  You should have received a copy of the GNU General Public License *  along with this program; if not, write to the Free Software *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA * */#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		3struct 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) */};