FFmpeg
Data Structures | Macros | Functions
aacdec_ac.h File Reference
#include "libavcodec/get_bits.h"

Go to the source code of this file.

Data Structures

struct  AACArithState
 
struct  AACArith
 

Macros

#define FF_AAC_AC_ESCAPE   16
 

Functions

uint32_t ff_aac_ac_map_process (AACArithState *state, int reset, int len)
 
uint32_t ff_aac_ac_get_context (AACArithState *state, uint32_t old_c, int idx, int len)
 
uint32_t ff_aac_ac_get_pk (uint32_t c)
 
void ff_aac_ac_update_context (AACArithState *state, int idx, uint16_t a, uint16_t b)
 
void ff_aac_ac_init (AACArith *ac, GetBitContext *gb)
 
uint16_t ff_aac_ac_decode (AACArith *ac, GetBitContext *gb, const uint16_t *cdf, uint16_t cdf_len)
 
void ff_aac_ac_finish (AACArithState *state, int offset, int nb)
 

Macro Definition Documentation

◆ FF_AAC_AC_ESCAPE

#define FF_AAC_AC_ESCAPE   16

Definition at line 40 of file aacdec_ac.h.

Function Documentation

◆ ff_aac_ac_map_process()

uint32_t ff_aac_ac_map_process ( AACArithState state,
int  reset,
int  len 
)

Definition at line 25 of file aacdec_ac.c.

Referenced by decode_spectrum_ac().

◆ ff_aac_ac_get_context()

uint32_t ff_aac_ac_get_context ( AACArithState state,
uint32_t  old_c,
int  idx,
int  len 
)

Definition at line 57 of file aacdec_ac.c.

Referenced by decode_spectrum_ac().

◆ ff_aac_ac_get_pk()

uint32_t ff_aac_ac_get_pk ( uint32_t  c)

Definition at line 73 of file aacdec_ac.c.

Referenced by decode_spectrum_ac().

◆ ff_aac_ac_update_context()

void ff_aac_ac_update_context ( AACArithState state,
int  idx,
uint16_t  a,
uint16_t  b 
)

Definition at line 91 of file aacdec_ac.c.

Referenced by decode_spectrum_ac().

◆ ff_aac_ac_init()

void ff_aac_ac_init ( AACArith ac,
GetBitContext gb 
)

Definition at line 106 of file aacdec_ac.c.

Referenced by decode_spectrum_ac().

◆ ff_aac_ac_decode()

uint16_t ff_aac_ac_decode ( AACArith ac,
GetBitContext gb,
const uint16_t *  cdf,
uint16_t  cdf_len 
)

Definition at line 113 of file aacdec_ac.c.

Referenced by decode_spectrum_ac().

◆ ff_aac_ac_finish()

void ff_aac_ac_finish ( AACArithState state,
int  offset,
int  nb 
)

Definition at line 199 of file aacdec_ac.c.

Referenced by decode_spectrum_ac().