g728data.h File Reference

#include <stdint.h>
#include "libavutil/macros.h"

Go to the source code of this file.

Macros
#define	IDIM   5 /* Vector dimension (excitation block size) */
#define	LPC   50 /* Synthesis filter order */
#define	LPCLG   10 /* Log-gain predictor order */
#define	NFRSZ   20 /* Frame size (adaptation cycle size in samples */
#define	NONR   35 /* Number of non-recursive window samples for synthesis filter */
#define	NONRLG   20 /* Number of non-recursive window samples for log-gain predictor */
#define	NUPDATE   4 /* Predictor update period (in terms of vectors) */
#define	NSBSZ   (LPC + NONR + NFRSZ)
#define	NSBGSZ   (LPCLG + NONRLG + NUPDATE)

Variables
static const uint16_t	g728_wnr [NSBSZ]
static const uint16_t	g728_wnrg [NSBGSZ]
static const uint16_t	g728_facv [LPC]

Macro Definition Documentation

IDIM

#define IDIM   5 /* Vector dimension (excitation block size) */

Definition at line 27 of file g728data.h.

Referenced by decode_frame(), and g728_init_static_data().

LPC

#define LPC   50 /* Synthesis filter order */

Definition at line 28 of file g728data.h.

Referenced by decode_frame(), and g728_init_static_data().

LPCLG

#define LPCLG   10 /* Log-gain predictor order */

Definition at line 29 of file g728data.h.

Referenced by decode_frame().

NFRSZ

#define NFRSZ   20 /* Frame size (adaptation cycle size in samples */

Definition at line 30 of file g728data.h.

Referenced by decode_frame().

NONR

#define NONR   35 /* Number of non-recursive window samples for synthesis filter */

Definition at line 31 of file g728data.h.

Referenced by decode_frame().

NONRLG

#define NONRLG   20 /* Number of non-recursive window samples for log-gain predictor */

Definition at line 32 of file g728data.h.

Referenced by decode_frame().

NUPDATE

#define NUPDATE   4 /* Predictor update period (in terms of vectors) */

Definition at line 33 of file g728data.h.

Referenced by decode_frame(), and g728_decode_init().

NSBSZ

#define NSBSZ   (LPC + NONR + NFRSZ)

Definition at line 35 of file g728data.h.

Referenced by decode_frame(), and g728_init_static_data().

NSBGSZ

#define NSBGSZ   (LPCLG + NONRLG + NUPDATE)

Definition at line 36 of file g728data.h.

Referenced by decode_frame(), g728_decode_init(), and g728_init_static_data().

Variable Documentation

g728_wnr

const uint16_t g728_wnr[NSBSZ]

static

Initial value:

= {
     1565,  3127,  4681,  6225,  7755,  9266, 10757, 12223, 13661, 15068,
    16441, 17776, 19071, 20322, 21526, 22682, 23786, 24835, 25828, 26761,
    27634, 28444, 29188, 29866, 30476, 31016, 31486, 31884, 32208, 32460,
    32637, 32739, 32767, 32721, 32599, 32403, 32171, 31940, 31711, 31484,
    31259, 31034, 30812, 30591, 30372, 30154, 29938, 29724, 29511, 29299,
    29089, 28881, 28674, 28468, 28264, 28062, 27861, 27661, 27463, 27266,
    27071, 26877, 26684, 26493, 26303, 26114, 25927, 25742, 25557, 25374,
    25192, 25012, 24832, 24654, 24478, 24302, 24128, 23955, 23784, 23613,
    23444, 23276, 23109, 22943, 22779, 22616, 22454, 22293, 22133, 21974,
    21817, 21661, 21505, 21351, 21198, 21046, 20896, 20746, 20597, 20450,
    20303, 20157, 20013, 19870, 19727
}

Definition at line 39 of file g728data.h.

Referenced by g728_init_static_data().

g728_wnrg

const uint16_t g728_wnrg[NSBGSZ]

static

Initial value:

= {
     3026,  6025,  8973, 11845, 14615, 17261, 19759, 22088, 24228, 26162,
    27872, 29344, 30565, 31525, 32216, 32631, 32767, 32625, 32203, 31506,
    30540, 29461, 28420, 27416, 26448, 25514, 24613, 23743, 22905, 22096,
    21315, 20562, 19836, 19135
}

Definition at line 54 of file g728data.h.

Referenced by g728_init_static_data().

g728_facv

const uint16_t g728_facv[LPC]

static

Initial value:

= {
    16192, 16002, 15815, 15629, 15446, 15265, 15086, 14910, 14735, 14562,
    14391, 14223, 14056, 13891, 13729, 13568, 13409, 13252, 13096, 12943,
    12791, 12641, 12493, 12347, 12202, 12059, 11918, 11778, 11640, 11504,
    11369, 11236, 11104, 10974, 10845, 10718, 10593, 10468, 10346, 10225,
    10105,  9986,  9869,  9754,  9639,  9526,  9415,  9304,  9195,  9088
}

Definition at line 62 of file g728data.h.

Referenced by g728_init_static_data().