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/* $NetBSD$ */
/*-
* 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_ */
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