FFmpeg
Variables
aacsbrdata.h File Reference
#include <stdint.h>
#include "libavutil/mem_internal.h"
#include "aac_defines.h"

Go to the source code of this file.

Variables

static const int8_t sbr_offset [6][16]
 window coefficients for analysis/synthesis QMF banks More...
 
static const INTFLOAT sbr_qmf_window_ds [320]
 
static const INTFLOAT sbr_qmf_window_us [640]
 

Detailed Description

AAC Spectral Band Replication decoding data

Author
Robert Swain ( rob opendot cl )

Definition in file aacsbrdata.h.

Variable Documentation

◆ sbr_offset

const int8_t sbr_offset[6][16]
static
Initial value:
= {
{-8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7},
{-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13},
{-5, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16},
{-6, -4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16},
{-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16, 20},
{-2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 11, 13, 16, 20, 24},
}

window coefficients for analysis/synthesis QMF banks

Definition at line 35 of file aacsbrdata.h.

Referenced by sbr_make_f_master().

◆ sbr_qmf_window_ds

const INTFLOAT sbr_qmf_window_ds[320]
static

Definition at line 45 of file aacsbrdata.h.

Referenced by sbr_qmf_analysis(), and sbr_qmf_synthesis().

◆ sbr_qmf_window_us

const INTFLOAT sbr_qmf_window_us[640]
static

Definition at line 210 of file aacsbrdata.h.

Referenced by sbr_qmf_synthesis().