aacps_fixed_tablegen.h File Reference

#include <math.h>
#include <stdint.h>
#include "libavutil/common.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem_internal.h"
#include "aac_defines.h"
#include "libavutil/softfloat.h"

Go to the source code of this file.

Macros
#define	NR_ALLPASS_BANDS20   30
#define	NR_ALLPASS_BANDS34   50
#define	PS_AP_LINKS   3
#define	TABLE_CONST

Functions
static void	make_filters_from_proto (int(*filter)[8][2], const int *proto, int bands)
static void	ps_tableinit (void)

Variables
static int	pd_re_smooth [8 *8 *8]
static int	pd_im_smooth [8 *8 *8]
static int	HA [46][8][4]
static int	HB [46][8][4]
static int	f20_0_8 [8][8][2]
static int	f34_0_12 [12][8][2]
static int	f34_1_8 [8][8][2]
static int	f34_2_4 [4][8][2]
static TABLE_CONST int	Q_fract_allpass [2][50][3][2]
static int	phi_fract [2][50][2]
static const int	g0_Q8 []
static const int	g0_Q12 []
static const int	g1_Q8 []
static const int	g2_Q4 []
static const int	sintbl_4 [4] = { 0, 1073741824, 0, -1073741824 }
static const int	costbl_4 [4] = { 1073741824, 0, -1073741824, 0 }
static const int	sintbl_8 [8]
static const int	costbl_8 [8]
static const int	sintbl_12 [12]
static const int	costbl_12 [12]

Macro Definition Documentation

NR_ALLPASS_BANDS20

#define NR_ALLPASS_BANDS20   30

Definition at line 48 of file aacps_fixed_tablegen.h.

NR_ALLPASS_BANDS34

#define NR_ALLPASS_BANDS34   50

Definition at line 49 of file aacps_fixed_tablegen.h.

PS_AP_LINKS

#define PS_AP_LINKS   3

Definition at line 50 of file aacps_fixed_tablegen.h.

TABLE_CONST

#define TABLE_CONST

Definition at line 51 of file aacps_fixed_tablegen.h.

Function Documentation

make_filters_from_proto()

static void make_filters_from_proto ( int(*)  filter[8][2], const int *  proto, int  bands  )

static

Definition at line 96 of file aacps_fixed_tablegen.h.

Referenced by ps_tableinit().

ps_tableinit()

static void ps_tableinit ( void  )

static

Definition at line 140 of file aacps_fixed_tablegen.h.

Referenced by ff_ps_init(), and main().

Variable Documentation

pd_re_smooth

int pd_re_smooth[8 *8 *8]

static

Definition at line 52 of file aacps_fixed_tablegen.h.

Referenced by main(), ps_tableinit(), and stereo_processing().

pd_im_smooth

int pd_im_smooth[8 *8 *8]

static

Definition at line 53 of file aacps_fixed_tablegen.h.

Referenced by main(), ps_tableinit(), and stereo_processing().

HA

int HA[46][8][4]

static

Definition at line 54 of file aacps_fixed_tablegen.h.

Referenced by main(), ps_tableinit(), and stereo_processing().

HB

int HB[46][8][4]

static

Definition at line 55 of file aacps_fixed_tablegen.h.

Referenced by main(), ps_tableinit(), and stereo_processing().

f20_0_8

int f20_0_8[8][8][2]

static

Definition at line 56 of file aacps_fixed_tablegen.h.

Referenced by hybrid_analysis(), main(), and ps_tableinit().

f34_0_12

int f34_0_12[12][8][2]

static

Definition at line 57 of file aacps_fixed_tablegen.h.

Referenced by hybrid_analysis(), main(), and ps_tableinit().

f34_1_8

int f34_1_8[8][8][2]

static

Definition at line 58 of file aacps_fixed_tablegen.h.

Referenced by hybrid_analysis(), main(), and ps_tableinit().

f34_2_4

int f34_2_4[4][8][2]

static

Definition at line 59 of file aacps_fixed_tablegen.h.

Referenced by hybrid_analysis(), main(), and ps_tableinit().

Q_fract_allpass

TABLE_CONST int Q_fract_allpass[2][50][3][2]

static

Definition at line 60 of file aacps_fixed_tablegen.h.

Referenced by decorrelation(), main(), and ps_tableinit().

phi_fract

int phi_fract[2][50][2]

static

Definition at line 61 of file aacps_fixed_tablegen.h.

Referenced by decorrelation(), main(), ps_decorrelate_c(), and ps_tableinit().

g0_Q8

const int g0_Q8[]

static

Initial value:

= {
    Q31(0.00746082949812f), Q31(0.02270420949825f), Q31(0.04546865930473f), Q31(0.07266113929591f),
    Q31(0.09885108575264f), Q31(0.11793710567217f), Q31(0.125f)
}

Definition at line 63 of file aacps_fixed_tablegen.h.

Referenced by ps_tableinit().

g0_Q12

const int g0_Q12[]

static

Initial value:

= {
    Q31(0.04081179924692f), Q31(0.03812810994926f), Q31(0.05144908135699f), Q31(0.06399831151592f),
    Q31(0.07428313801106f), Q31(0.08100347892914f), Q31(0.08333333333333f)
}

Definition at line 68 of file aacps_fixed_tablegen.h.

Referenced by ps_tableinit().

g1_Q8

const int g1_Q8[]

static

Initial value:

= {
    Q31(0.01565675600122f), Q31(0.03752716391991f), Q31(0.05417891378782f), Q31(0.08417044116767f),
    Q31(0.10307344158036f), Q31(0.12222452249753f), Q31(0.125f)
}

Definition at line 73 of file aacps_fixed_tablegen.h.

Referenced by ps_tableinit().

g2_Q4

const int g2_Q4[]

static

Initial value:

= {
    Q31(-0.05908211155639f), Q31(-0.04871498374946f), Q31(0.0f),   Q31(0.07778723915851f),
    Q31( 0.16486303567403f), Q31( 0.23279856662996f), Q31(0.25f)
}

Definition at line 78 of file aacps_fixed_tablegen.h.

Referenced by ps_tableinit().

sintbl_4

const int sintbl_4[4] = { 0, 1073741824, 0, -1073741824 }

static

Definition at line 83 of file aacps_fixed_tablegen.h.

Referenced by make_filters_from_proto().

costbl_4

const int costbl_4[4] = { 1073741824, 0, -1073741824, 0 }

static

Definition at line 84 of file aacps_fixed_tablegen.h.

Referenced by make_filters_from_proto().

sintbl_8

const int sintbl_8[8]

static

Initial value:

= {           0,   759250125,  1073741824,   759250125,
                                             0,  -759250125, -1073741824,  -759250125 }

Definition at line 85 of file aacps_fixed_tablegen.h.

Referenced by make_filters_from_proto().

costbl_8

const int costbl_8[8]

static

Initial value:

= {  1073741824,   759250125,           0,  -759250125,
                                   -1073741824,  -759250125,           0,   759250125 }

Definition at line 87 of file aacps_fixed_tablegen.h.

Referenced by make_filters_from_proto().

sintbl_12

const int sintbl_12[12]

static

Initial value:

= {           0,   536870912,   929887697,  1073741824,
                                     929887697,   536870912,           0,  -536870912,
                                    -929887697, -1073741824,  -929887697,  -536870912 }

Definition at line 89 of file aacps_fixed_tablegen.h.

Referenced by make_filters_from_proto().

costbl_12

const int costbl_12[12]

static

Initial value:

= {  1073741824,   929887697,   536870912,           0,
                                    -536870912,  -929887697, -1073741824,  -929887697,
                                    -536870912,           0,   536870912,   929887697 }

Definition at line 92 of file aacps_fixed_tablegen.h.

Referenced by make_filters_from_proto().