/* $NetBSD$ */

/*-
 * Copyright (c) 2015 Nathanial Sloss <nathanialsloss@yahoo.com.au>
 *
 *              This software is dedicated to the memory of -
 *         Baron James Anlezark (Barry) - 1 Jan 1949 - 13 May 2012.
 *
 *              Barry was a man who loved his music.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _SBC_ENCODE_H_
#define _SBC_ENCODE_H_

#define MIN_BITPOOL     2
#define DEFAULT_MAXBPOOL 250

/*
 * SBC header format
 */
struct sbc_header {
        uint8_t id;
        uint8_t id2;
        uint8_t seqnumMSB;
        uint8_t seqnumLSB;
        uint8_t ts3;
        uint8_t ts2;
        uint8_t ts1;
        uint8_t ts0;
        uint8_t reserved3;
        uint8_t reserved2;
        uint8_t reserved1;
        uint8_t reserved0;
        uint8_t numFrames;
};

struct sbc_encode {
        int16_t music_data[256];
        uint8_t data[1024];
        uint8_t *rem_data_ptr;
        int     rem_data_len;
        int     rem_data_frames;
        int     bits[2][8];
        float   output[256];
        float   left[160];
        float   right[160];
        float   samples[16][2][8];
        uint32_t rem_len;
        uint32_t rem_off;
        uint32_t bitoffset;
        uint32_t maxoffset;
        uint32_t crc;
        uint16_t framesamples;
        uint8_t scalefactor[2][8];
        uint8_t channels;
        uint8_t bands;
        uint8_t blocks;
        uint8_t join;
};

#endif                                  /* _SBC_ENCODE_H_ */