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Diffstat (limited to 'lib/virtual_oss/bt/sbc_encode.h')
-rw-r--r-- | lib/virtual_oss/bt/sbc_encode.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/lib/virtual_oss/bt/sbc_encode.h b/lib/virtual_oss/bt/sbc_encode.h new file mode 100644 index 000000000000..71f8460a242e --- /dev/null +++ b/lib/virtual_oss/bt/sbc_encode.h @@ -0,0 +1,82 @@ +/* $NetBSD$ */ + +/*- + * 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_ */ |