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libavcodec
cabac.h
Go to the documentation of this file.
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/*
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* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
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* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_CABAC_H
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#define AVCODEC_CABAC_H
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#include <stdint.h>
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#include "
put_bits.h
"
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#define CABAC_BITS 16
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#define CABAC_MASK ((1<<CABAC_BITS)-1)
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typedef
struct
CABACContext
{
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int
low
;
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int
range
;
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int
outstanding_count
;
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const
uint8_t *
bytestream_start
;
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const
uint8_t *
bytestream
;
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const
uint8_t *
bytestream_end
;
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PutBitContext
pb
;
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}
CABACContext
;
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void
ff_init_cabac_encoder
(
CABACContext
*c, uint8_t *buf,
int
buf_size);
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void
ff_init_cabac_decoder
(
CABACContext
*c,
const
uint8_t *buf,
int
buf_size);
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void
ff_init_cabac_states
(
CABACContext
*c);
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#endif
/* AVCODEC_CABAC_H */