mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
e986a5d10d
* qatar/master: FATE: add tests for targa ARM: fix Thumb-mode simple_idct_arm ARM: 4-byte align start of all asm functions rgb2rgb: rgb12to15() swscale-test: fix stack overread. swscale: fix invalid conversions and memory problems. cabac: split cabac.h into declarations and function definitions cabac: Mark ff_h264_mps_state array as static, it is only used within cabac.c. cabac: Remove ff_h264_lps_state array. Conflicts: libswscale/rgb2rgb.h libswscale/swscale_unscaled.c tests/fate/image.mak Merged-by: Michael Niedermayer <michaelni@gmx.at>
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
|
|
* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
|
|
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* Context Adaptive Binary Arithmetic Coder.
|
|
*/
|
|
|
|
#ifndef AVCODEC_CABAC_H
|
|
#define AVCODEC_CABAC_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "put_bits.h"
|
|
|
|
#define CABAC_BITS 16
|
|
#define CABAC_MASK ((1<<CABAC_BITS)-1)
|
|
|
|
typedef struct CABACContext{
|
|
int low;
|
|
int range;
|
|
int outstanding_count;
|
|
const uint8_t *bytestream_start;
|
|
const uint8_t *bytestream;
|
|
const uint8_t *bytestream_end;
|
|
PutBitContext pb;
|
|
}CABACContext;
|
|
|
|
void ff_init_cabac_encoder(CABACContext *c, uint8_t *buf, int buf_size);
|
|
void ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size);
|
|
void ff_init_cabac_states(CABACContext *c);
|
|
|
|
#endif /* AVCODEC_CABAC_H */
|