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 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

INTFLOAT sbr_qmf_window_ds[320]

static

Definition at line 45 of file aacsbrdata.h.

Referenced by aacsbr_tableinit(), sbr_qmf_analysis(), and sbr_qmf_synthesis().

sbr_qmf_window_us

const INTFLOAT sbr_qmf_window_us[640]

static

Definition at line 48 of file aacsbrdata.h.

Referenced by aacsbr_tableinit(), and sbr_qmf_synthesis().