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include
speex
speex_bits.h
Go to the documentation of this file.
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/* Copyright (C) 2002 Jean-Marc Valin */
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef BITS_H
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#define BITS_H
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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typedef
struct
SpeexBits
{
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char
*
chars
;
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int
nbBits
;
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int
charPtr
;
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int
bitPtr
;
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int
owner
;
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int
overflow
;
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int
buf_size
;
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int
reserved1
;
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void
*
reserved2
;
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}
SpeexBits
;
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void
speex_bits_init
(
SpeexBits
*bits);
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void
speex_bits_init_buffer
(
SpeexBits
*bits,
void
*buff,
int
buf_size);
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void
speex_bits_set_bit_buffer
(
SpeexBits
*bits,
void
*buff,
int
buf_size);
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void
speex_bits_destroy
(
SpeexBits
*bits);
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void
speex_bits_reset
(
SpeexBits
*bits);
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void
speex_bits_rewind
(
SpeexBits
*bits);
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void
speex_bits_read_from
(
SpeexBits
*bits,
char
*bytes,
int
len);
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void
speex_bits_read_whole_bytes
(
SpeexBits
*bits,
char
*bytes,
int
len);
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int
speex_bits_write
(
SpeexBits
*bits,
char
*bytes,
int
max_len);
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int
speex_bits_write_whole_bytes
(
SpeexBits
*bits,
char
*bytes,
int
max_len);
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void
speex_bits_pack
(
SpeexBits
*bits,
int
data,
int
nbBits);
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int
speex_bits_unpack_signed
(
SpeexBits
*bits,
int
nbBits);
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unsigned
int
speex_bits_unpack_unsigned
(
SpeexBits
*bits,
int
nbBits);
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int
speex_bits_nbytes
(
SpeexBits
*bits);
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unsigned
int
speex_bits_peek_unsigned
(
SpeexBits
*bits,
int
nbBits);
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int
speex_bits_peek
(
SpeexBits
*bits);
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void
speex_bits_advance
(
SpeexBits
*bits,
int
n);
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int
speex_bits_remaining
(
SpeexBits
*bits);
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void
speex_bits_insert_terminator
(
SpeexBits
*bits);
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#ifdef __cplusplus
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}
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#endif
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/* @} */
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#endif
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