FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
sipr.h File Reference
#include "acelp_pitch_delay.h"
#include "libavutil/mem_internal.h"

Go to the source code of this file.

Data Structures

struct   SiprParameters
 
struct   SiprContext
 

Macros

#define  LP_FILTER_ORDER_16k   16
 
#define  L_SUBFR_16k   80
 
#define  PITCH_MIN   30
 
#define  PITCH_MAX   281
 
#define  LSFQ_DIFF_MIN   (0.0125 * M_PI)
 
#define  LP_FILTER_ORDER   10
 
#define  L_INTERPOL   (LP_FILTER_ORDER + 1)
  Number of past samples needed for excitation interpolation. More...
 
#define  SUBFR_SIZE   48
  Subframe size for all modes except 16k. More...
 
#define  SUBFRAME_COUNT_16k   2
 

Enumerations

 

Functions

 
 

Variables

const float  ff_pow_0_5 [16]
 

Macro Definition Documentation

LP_FILTER_ORDER_16k

#define LP_FILTER_ORDER_16k   16

Definition at line 30 of file sipr.h.

L_SUBFR_16k

#define L_SUBFR_16k   80

Definition at line 31 of file sipr.h.

PITCH_MIN

#define PITCH_MIN   30

Definition at line 32 of file sipr.h.

PITCH_MAX

#define PITCH_MAX   281

Definition at line 33 of file sipr.h.

LSFQ_DIFF_MIN

#define LSFQ_DIFF_MIN   (0.0125 * M_PI)

Definition at line 35 of file sipr.h.

LP_FILTER_ORDER

#define LP_FILTER_ORDER   10

Definition at line 37 of file sipr.h.

L_INTERPOL

#define L_INTERPOL   (LP_FILTER_ORDER + 1)

Number of past samples needed for excitation interpolation.

Definition at line 40 of file sipr.h.

SUBFR_SIZE

#define SUBFR_SIZE   48

Subframe size for all modes except 16k.

Definition at line 43 of file sipr.h.

SUBFRAME_COUNT_16k

#define SUBFRAME_COUNT_16k   2

Definition at line 45 of file sipr.h.

Enumeration Type Documentation

SiprMode

enum SiprMode
Enumerator
MODE_16k 
MODE_8k5 
MODE_6k5 
MODE_5k0 
MODE_COUNT 

Definition at line 47 of file sipr.h.

Function Documentation

ff_sipr_init_16k()

void ff_sipr_init_16k ( SiprContextctx )

Definition at line 271 of file sipr16k.c.

Referenced by sipr_decoder_init().

ff_sipr_decode_frame_16k()

void ff_sipr_decode_frame_16k ( SiprContextctx,
SiprParametersparams,
floatout_data 
)

Definition at line 176 of file sipr16k.c.

Referenced by sipr_decoder_init().

Variable Documentation

ff_pow_0_5

const float ff_pow_0_5[16]

Definition at line 136 of file sipr.c.

Referenced by postfilter(), and postfilter_5k0().


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