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lib/virtual_oss/bt/sbc_encode.h
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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_ */ | |||||