FFmpeg: libavcodec/rangecoder.h File Reference

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Data Structures | Functions

rangecoder.h File Reference

Range coder. More...

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

Go to the source code of this file.

Data Structures

struct 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.

Function Documentation

void ff_init_range_encoder ( RangeCoder * c,

uint8_t * buf,

int buf_size

)

Definition at line 42 of file rangecoder.c.

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

void ff_init_range_decoder ( RangeCoder * c,

const uint8_t * buf,

int buf_size

)

Definition at line 53 of file rangecoder.c.

Referenced by decode_frame(), and read_extra_header().

int ff_rac_terminate ( RangeCoder * c )

Definition at line 103 of file rangecoder.c.

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

void ff_build_rac_states ( RangeCoder * c,

int factor,

int max_p

)

Definition at line 62 of file rangecoder.c.

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

static void renorm_encoder ( RangeCoder * c )

inlinestatic

Definition at line 52 of file rangecoder.h.

Referenced by ff_rac_terminate(), and put_rac().

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 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_line(), decode_q_branch(), decode_slice(), decode_slice_header(), get_symbol(), get_symbol2(), get_symbol_inline(), read_extra_header(), read_header(), and unpack_coeffs().

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