51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
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/*
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Copyright (c) 2012, Dmitry Grinberg (dmitrygr@gmail.com / http://dmitrygr.com)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SBC_DEC_H_
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#define _SBC_DEC_H_
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#include <linux/types.h>
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#define SBC_MAX_SAMPLES_PER_PACKET 128
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#define SBC_MAX_PACKET_SIZE 262 /* 2 + 8 / 2 + 16 * 8 * 16 / 8 */
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/**
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* Reset the SBC audio decoder state.
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*/
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void sbc_decoder_reset(void);
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/**
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* Decode a packet of SBC audio data to PCM.
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*/
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uint32_t sbc_decode(uint8_t blocks_per_packet, uint8_t num_bits,
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const uint8_t* buf, uint16_t len,
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int16_t* outbuf); /*return num SAMPLES produced */
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#endif
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