#include <stdint.h>
#include "put_bits.h"

Data Structures
struct	CABACContext

Macros
#define	H264_NORM_SHIFT_OFFSET 0

#define	H264_LPS_RANGE_OFFSET 512

#define	H264_MLPS_STATE_OFFSET 1024

#define	H264_LAST_COEFF_FLAG_OFFSET_8x8_OFFSET 1280

#define	CABAC_BITS 16

#define	CABAC_MASK ((1<<CABAC_BITS)-1)

Functions
void	ff_init_cabac_encoder (CABACContext c, uint8_t buf, int buf_size)

int	ff_init_cabac_decoder (CABACContext c, const uint8_t buf, int buf_size)

Variables
const uint8_t	ff_h264_cabac_tables [512+4 2 64+4 *64+63]

Detailed Description

Context Adaptive Binary Arithmetic Coder.

Definition in file cabac.h.

Macro Definition Documentation

◆ H264_NORM_SHIFT_OFFSET

#define H264_NORM_SHIFT_OFFSET 0

Definition at line 35 of file cabac.h.

◆ H264_LPS_RANGE_OFFSET

#define H264_LPS_RANGE_OFFSET 512

Definition at line 36 of file cabac.h.

◆ H264_MLPS_STATE_OFFSET

#define H264_MLPS_STATE_OFFSET 1024

Definition at line 37 of file cabac.h.

◆ H264_LAST_COEFF_FLAG_OFFSET_8x8_OFFSET

#define H264_LAST_COEFF_FLAG_OFFSET_8x8_OFFSET 1280

Definition at line 38 of file cabac.h.

◆ CABAC_BITS

#define CABAC_BITS 16

Definition at line 40 of file cabac.h.

◆ CABAC_MASK

#define CABAC_MASK ((1<<CABAC_BITS)-1)

Definition at line 41 of file cabac.h.

Function Documentation

◆ ff_init_cabac_encoder()

void ff_init_cabac_encoder	(	CABACContext *	c,
		uint8_t *	buf,
		int	buf_size
	)

Parameters

buf_size size of buf in bits

Definition at line 163 of file cabac.c.

Referenced by main().

◆ ff_init_cabac_decoder()

int ff_init_cabac_decoder	(	CABACContext *	c,
		const uint8_t *	buf,
		int	buf_size
	)

Parameters

buf_size size of buf in bits

Definition at line 176 of file cabac.c.

Referenced by cabac_init_decoder(), decode_slice(), ff_h264_decode_mb_cabac(), hls_decode_entry_wpp(), main(), and skip_bytes().

Variable Documentation

◆ ff_h264_cabac_tables

const uint8_t ff_h264_cabac_tables[512+4 *2 *64+4 *64+63]

Referenced by get_cabac_inline_mips().

Data Structures

Macros

Functions

Variables