rangecoder.h File Reference

Range coder. More...

#include <stdint.h>
#include "libavutil/common.h"
#include "libavutil/avassert.h"

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Data Structures
struct	RangeCoder

Typedefs
typedef struct RangeCoder	RangeCoder

Functions
void	ff_init_range_encoder (RangeCoder *c, uint8_t *buf, int buf_size)
void	ff_init_range_decoder (RangeCoder *c, const uint8_t *buf, int buf_size)
int	ff_rac_terminate (RangeCoder *c)
void	ff_build_rac_states (RangeCoder *c, int factor, int max_p)
static void	renorm_encoder (RangeCoder *c)
static int	get_rac_count (RangeCoder *c)
static void	put_rac (RangeCoder *c, uint8_t *const state, int bit)
static void	refill (RangeCoder *c)
static int	get_rac (RangeCoder *c, uint8_t *const state)

Detailed Description

Range coder.

Definition in file rangecoder.h.

Typedef Documentation

typedef struct RangeCoder RangeCoder

Function Documentation

void ff_build_rac_states	(	RangeCoder *	c,
		int	factor,
		int	max_p
	)

Definition at line 60 of file rangecoder.c.

Referenced by decode_frame(), encode_frame(), ff_rac_terminate(), read_extra_header(), and write_extradata().

void ff_init_range_decoder	(	RangeCoder *	c,
		const uint8_t *	buf,
		int	buf_size
	)

Definition at line 52 of file rangecoder.c.

Referenced by decode_frame(), ff_rac_terminate(), and read_extra_header().

void ff_init_range_encoder	(	RangeCoder *	c,
		uint8_t *	buf,
		int	buf_size
	)

Definition at line 41 of file rangecoder.c.

Referenced by encode_frame(), ff_init_range_decoder(), ff_rac_terminate(), and write_extradata().

int ff_rac_terminate

(

RangeCoder *

c

)

Definition at line 101 of file rangecoder.c.

Referenced by encode_frame(), encode_slice(), ff_rac_terminate(), and write_extradata().

static int get_rac ( RangeCoder *  c, uint8_t *const  state  )

inlinestatic

Definition at line 115 of file rangecoder.h.

Referenced by decode_frame(), decode_header(), decode_q_branch(), decode_slice(), ff_rac_terminate(), get_symbol(), get_symbol2(), get_symbol_inline(), read_extra_header(), read_header(), and unpack_coeffs().

static int get_rac_count ( RangeCoder *  c )

inlinestatic

Definition at line 77 of file rangecoder.h.

Referenced by encode_q_branch().

static void put_rac ( RangeCoder *  c, uint8_t *const  state, int  bit  )

inlinestatic

Definition at line 85 of file rangecoder.h.

static void refill ( RangeCoder *  c )

inlinestatic

Definition at line 104 of file rangecoder.h.

Referenced by get_rac().

static void renorm_encoder ( RangeCoder *  c )

inlinestatic

Definition at line 52 of file rangecoder.h.

Referenced by ff_rac_terminate(), and put_rac().