aacdec_fixed_dequant.h File Reference

#include "aacdec_tab.h"

Go to the source code of this file.

Functions
static void	vector_pow43 (int *coefs, int len)
static void	subband_scale (int *dst, int *src, int scale, int offset, int len, void *log_context)
static void	noise_scale (int *coefs, int scale, int band_energy, int len)
static int *	DEC_SPAIR (int *dst, unsigned idx)
static int *	DEC_SQUAD (int *dst, unsigned idx)
static int *	DEC_UPAIR (int *dst, unsigned idx, unsigned sign)
static int *	DEC_UQUAD (int *dst, unsigned idx, unsigned sign)

Variables
static const int	exp2tab [4]

Function Documentation

vector_pow43()

static void vector_pow43 ( int * coefs, int len )

inlinestatic

Definition at line 37 of file aacdec_fixed_dequant.h.

Referenced by decode_spectrum_and_dequant().

subband_scale()

static void subband_scale ( int * dst, int * src, int scale, int offset, int len, void * log_context )

inlinestatic

Definition at line 57 of file aacdec_fixed_dequant.h.

Referenced by apply_intensity_stereo(), and decode_spectrum_and_dequant().

noise_scale()

static void noise_scale ( int * coefs, int scale, int band_energy, int len )

static

Definition at line 89 of file aacdec_fixed_dequant.h.

Referenced by decode_spectrum_and_dequant().

DEC_SPAIR()

static int * DEC_SPAIR ( int * dst, unsigned idx )

inlinestatic

Definition at line 130 of file aacdec_fixed_dequant.h.

Referenced by decode_spectrum_and_dequant().

DEC_SQUAD()

static int * DEC_SQUAD ( int * dst, unsigned idx )

inlinestatic

Definition at line 138 of file aacdec_fixed_dequant.h.

Referenced by decode_spectrum_and_dequant().

DEC_UPAIR()

static int * DEC_UPAIR ( int * dst, unsigned idx, unsigned sign )

inlinestatic

Definition at line 148 of file aacdec_fixed_dequant.h.

Referenced by decode_spectrum_and_dequant().

DEC_UQUAD()

static int * DEC_UQUAD ( int * dst, unsigned idx, unsigned sign )

inlinestatic

Definition at line 156 of file aacdec_fixed_dequant.h.

Referenced by decode_spectrum_and_dequant().

Variable Documentation

exp2tab

const int exp2tab[4]

static

Initial value:

= {
    Q31(1.0000000000/2), Q31(1.1892071150/2),
    Q31(1.4142135624/2), Q31(1.6817928305/2)
}

Definition at line 52 of file aacdec_fixed_dequant.h.

Referenced by noise_scale(), and subband_scale().