alsa/sbc.h

/*
 *
 *  Bluetooth low-complexity, subband codec (SBC) library
 *
 *  Copyright (C) 2004-2005  Marcel Holtmann <marcel@holtmann.org>
 *  Copyright (C) 2004-2005  Henryk Ploetz <henryk@ploetzli.ch>
 *
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifndef __SBC_H
#define __SBC_H

#ifdef __cplusplus
extern "C" {
#endif

#define SBC_NULL	0x00000001

struct sbc_struct {
	unsigned long flags;

	int rate;
	int channels;
	int blocks;
	int subbands;
	int bitpool;

	void *data;
	int size;
	int len;

	unsigned long duration;

	void *priv;
};

typedef struct sbc_struct sbc_t;

int sbc_init(sbc_t *sbc, unsigned long flags);
int sbc_decode(sbc_t *sbc, void *data, int count);
int sbc_encode(sbc_t *sbc, void *data, int count);
void sbc_finish(sbc_t *sbc);

#ifdef __cplusplus
}
#endif

#endif /* __SBC_H */