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 uint8_t	t_huffman_env_1_5dB_bits [121]
	< Huffman tables for SBR More...
static const uint32_t	t_huffman_env_1_5dB_codes [121]
static const uint8_t	f_huffman_env_1_5dB_bits [121]
static const uint32_t	f_huffman_env_1_5dB_codes [121]
static const uint8_t	t_huffman_env_bal_1_5dB_bits [49]
static const uint32_t	t_huffman_env_bal_1_5dB_codes [49]
static const uint8_t	f_huffman_env_bal_1_5dB_bits [49]
static const uint32_t	f_huffman_env_bal_1_5dB_codes [49]
static const uint8_t	t_huffman_env_3_0dB_bits [63]
static const uint32_t	t_huffman_env_3_0dB_codes [63]
static const uint8_t	f_huffman_env_3_0dB_bits [63]
static const uint32_t	f_huffman_env_3_0dB_codes [63]
static const uint8_t	t_huffman_env_bal_3_0dB_bits [25]
static const uint16_t	t_huffman_env_bal_3_0dB_codes [25]
static const uint8_t	f_huffman_env_bal_3_0dB_bits [25]
static const uint16_t	f_huffman_env_bal_3_0dB_codes [25]
static const uint8_t	t_huffman_noise_3_0dB_bits [63]
static const uint16_t	t_huffman_noise_3_0dB_codes [63]
static const uint8_t	t_huffman_noise_bal_3_0dB_bits [25]
static const uint8_t	t_huffman_noise_bal_3_0dB_codes [25]
static const int8_t	sbr_offset [6][16]
const INTFLOAT	ff_sbr_noise_table [][2]
	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

t_huffman_env_1_5dB_bits

const uint8_t t_huffman_env_1_5dB_bits[121]

static

Initial value:

= {
    18, 18, 18, 18, 18, 18, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19, 19, 17, 18, 16, 17, 18, 17,
    16, 16, 16, 16, 15, 14, 14, 13,
    13, 12, 11, 10,  9,  8,  7,  6,
     5,  4,  3,  2,  2,  3,  4,  5,
     6,  7,  8,  9, 10, 12, 13, 14,
    14, 15, 16, 17, 16, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19,
}

< Huffman tables for SBR

Definition at line 37 of file aacsbrdata.h.

t_huffman_env_1_5dB_codes

const uint32_t t_huffman_env_1_5dB_codes[121]

static

Initial value:

= {
    0x3ffd6, 0x3ffd7, 0x3ffd8, 0x3ffd9, 0x3ffda, 0x3ffdb, 0x7ffb8, 0x7ffb9,
    0x7ffba, 0x7ffbb, 0x7ffbc, 0x7ffbd, 0x7ffbe, 0x7ffbf, 0x7ffc0, 0x7ffc1,
    0x7ffc2, 0x7ffc3, 0x7ffc4, 0x7ffc5, 0x7ffc6, 0x7ffc7, 0x7ffc8, 0x7ffc9,
    0x7ffca, 0x7ffcb, 0x7ffcc, 0x7ffcd, 0x7ffce, 0x7ffcf, 0x7ffd0, 0x7ffd1,
    0x7ffd2, 0x7ffd3, 0x1ffe6, 0x3ffd4, 0x0fff0, 0x1ffe9, 0x3ffd5, 0x1ffe7,
    0x0fff1, 0x0ffec, 0x0ffed, 0x0ffee, 0x07ff4, 0x03ff9, 0x03ff7, 0x01ffa,
    0x01ff9, 0x00ffb, 0x007fc, 0x003fc, 0x001fd, 0x000fd, 0x0007d, 0x0003d,
    0x0001d, 0x0000d, 0x00005, 0x00001, 0x00000, 0x00004, 0x0000c, 0x0001c,
    0x0003c, 0x0007c, 0x000fc, 0x001fc, 0x003fd, 0x00ffa, 0x01ff8, 0x03ff6,
    0x03ff8, 0x07ff5, 0x0ffef, 0x1ffe8, 0x0fff2, 0x7ffd4, 0x7ffd5, 0x7ffd6,
    0x7ffd7, 0x7ffd8, 0x7ffd9, 0x7ffda, 0x7ffdb, 0x7ffdc, 0x7ffdd, 0x7ffde,
    0x7ffdf, 0x7ffe0, 0x7ffe1, 0x7ffe2, 0x7ffe3, 0x7ffe4, 0x7ffe5, 0x7ffe6,
    0x7ffe7, 0x7ffe8, 0x7ffe9, 0x7ffea, 0x7ffeb, 0x7ffec, 0x7ffed, 0x7ffee,
    0x7ffef, 0x7fff0, 0x7fff1, 0x7fff2, 0x7fff3, 0x7fff4, 0x7fff5, 0x7fff6,
    0x7fff7, 0x7fff8, 0x7fff9, 0x7fffa, 0x7fffb, 0x7fffc, 0x7fffd, 0x7fffe,
    0x7ffff,
}

Definition at line 56 of file aacsbrdata.h.

f_huffman_env_1_5dB_bits

const uint8_t f_huffman_env_1_5dB_bits[121]

static

Initial value:

= {
    19, 19, 20, 20, 20, 20, 20, 20,
    20, 19, 20, 20, 20, 20, 19, 20,
    19, 19, 20, 18, 20, 20, 20, 19,
    20, 20, 20, 19, 20, 19, 18, 19,
    18, 18, 17, 18, 17, 17, 17, 16,
    16, 16, 15, 15, 14, 13, 13, 12,
    12, 11, 10,  9,  9,  8,  7,  6,
     5,  4,  3,  2,  2,  3,  4,  5,
     6,  8,  8,  9, 10, 11, 11, 11,
    12, 12, 13, 13, 14, 14, 16, 16,
    17, 17, 18, 18, 18, 18, 18, 18,
    18, 20, 19, 20, 20, 20, 20, 20,
    20, 19, 20, 20, 20, 20, 19, 20,
    18, 20, 20, 19, 19, 20, 20, 20,
    20, 20, 20, 20, 20, 20, 20, 20,
    20,
}

Definition at line 75 of file aacsbrdata.h.

f_huffman_env_1_5dB_codes

const uint32_t f_huffman_env_1_5dB_codes[121]

static

Initial value:

= {
    0x7ffe7, 0x7ffe8, 0xfffd2, 0xfffd3, 0xfffd4, 0xfffd5, 0xfffd6, 0xfffd7,
    0xfffd8, 0x7ffda, 0xfffd9, 0xfffda, 0xfffdb, 0xfffdc, 0x7ffdb, 0xfffdd,
    0x7ffdc, 0x7ffdd, 0xfffde, 0x3ffe4, 0xfffdf, 0xfffe0, 0xfffe1, 0x7ffde,
    0xfffe2, 0xfffe3, 0xfffe4, 0x7ffdf, 0xfffe5, 0x7ffe0, 0x3ffe8, 0x7ffe1,
    0x3ffe0, 0x3ffe9, 0x1ffef, 0x3ffe5, 0x1ffec, 0x1ffed, 0x1ffee, 0x0fff4,
    0x0fff3, 0x0fff0, 0x07ff7, 0x07ff6, 0x03ffa, 0x01ffa, 0x01ff9, 0x00ffa,
    0x00ff8, 0x007f9, 0x003fb, 0x001fc, 0x001fa, 0x000fb, 0x0007c, 0x0003c,
    0x0001c, 0x0000c, 0x00005, 0x00001, 0x00000, 0x00004, 0x0000d, 0x0001d,
    0x0003d, 0x000fa, 0x000fc, 0x001fb, 0x003fa, 0x007f8, 0x007fa, 0x007fb,
    0x00ff9, 0x00ffb, 0x01ff8, 0x01ffb, 0x03ff8, 0x03ff9, 0x0fff1, 0x0fff2,
    0x1ffea, 0x1ffeb, 0x3ffe1, 0x3ffe2, 0x3ffea, 0x3ffe3, 0x3ffe6, 0x3ffe7,
    0x3ffeb, 0xfffe6, 0x7ffe2, 0xfffe7, 0xfffe8, 0xfffe9, 0xfffea, 0xfffeb,
    0xfffec, 0x7ffe3, 0xfffed, 0xfffee, 0xfffef, 0xffff0, 0x7ffe4, 0xffff1,
    0x3ffec, 0xffff2, 0xffff3, 0x7ffe5, 0x7ffe6, 0xffff4, 0xffff5, 0xffff6,
    0xffff7, 0xffff8, 0xffff9, 0xffffa, 0xffffb, 0xffffc, 0xffffd, 0xffffe,
    0xfffff,
}

Definition at line 94 of file aacsbrdata.h.

t_huffman_env_bal_1_5dB_bits

const uint8_t t_huffman_env_bal_1_5dB_bits[49]

static

Initial value:

= {
    16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 16, 16, 16, 16, 16, 16,
    16, 16, 12, 11,  9,  7,  5,  3,
     1,  2,  4,  6,  8, 11, 12, 15,
    16, 16, 16, 16, 16, 16, 16, 17,
    17, 17, 17, 17, 17, 17, 17, 17,
    17,
}

Definition at line 113 of file aacsbrdata.h.

t_huffman_env_bal_1_5dB_codes

const uint32_t t_huffman_env_bal_1_5dB_codes[49]

static

Initial value:

= {
    0x0ffe4, 0x0ffe5, 0x0ffe6, 0x0ffe7, 0x0ffe8, 0x0ffe9, 0x0ffea, 0x0ffeb,
    0x0ffec, 0x0ffed, 0x0ffee, 0x0ffef, 0x0fff0, 0x0fff1, 0x0fff2, 0x0fff3,
    0x0fff4, 0x0ffe2, 0x00ffc, 0x007fc, 0x001fe, 0x0007e, 0x0001e, 0x00006,
    0x00000, 0x00002, 0x0000e, 0x0003e, 0x000fe, 0x007fd, 0x00ffd, 0x07ff0,
    0x0ffe3, 0x0fff5, 0x0fff6, 0x0fff7, 0x0fff8, 0x0fff9, 0x0fffa, 0x1fff6,
    0x1fff7, 0x1fff8, 0x1fff9, 0x1fffa, 0x1fffb, 0x1fffc, 0x1fffd, 0x1fffe,
    0x1ffff,
}

Definition at line 123 of file aacsbrdata.h.

f_huffman_env_bal_1_5dB_bits

const uint8_t f_huffman_env_bal_1_5dB_bits[49]

static

Initial value:

= {
    18, 18, 18, 18, 18, 18, 18, 18,
    18, 18, 18, 18, 18, 18, 18, 16,
    17, 14, 11, 11,  8,  7,  4,  2,
     1,  3,  5,  6,  9, 11, 12, 15,
    16, 18, 18, 18, 18, 18, 18, 18,
    18, 18, 18, 18, 18, 18, 18, 19,
    19,
}

Definition at line 133 of file aacsbrdata.h.

f_huffman_env_bal_1_5dB_codes

const uint32_t f_huffman_env_bal_1_5dB_codes[49]

static

Initial value:

= {
    0x3ffe2, 0x3ffe3, 0x3ffe4, 0x3ffe5, 0x3ffe6, 0x3ffe7, 0x3ffe8, 0x3ffe9,
    0x3ffea, 0x3ffeb, 0x3ffec, 0x3ffed, 0x3ffee, 0x3ffef, 0x3fff0, 0x0fff7,
    0x1fff0, 0x03ffc, 0x007fe, 0x007fc, 0x000fe, 0x0007e, 0x0000e, 0x00002,
    0x00000, 0x00006, 0x0001e, 0x0003e, 0x001fe, 0x007fd, 0x00ffe, 0x07ffa,
    0x0fff6, 0x3fff1, 0x3fff2, 0x3fff3, 0x3fff4, 0x3fff5, 0x3fff6, 0x3fff7,
    0x3fff8, 0x3fff9, 0x3fffa, 0x3fffb, 0x3fffc, 0x3fffd, 0x3fffe, 0x7fffe,
    0x7ffff,
}

Definition at line 143 of file aacsbrdata.h.

t_huffman_env_3_0dB_bits

const uint8_t t_huffman_env_3_0dB_bits[63]

static

Initial value:

= {
    18, 18, 19, 19, 19, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19, 17, 16, 16, 16, 14, 14, 14,
    13, 12, 11,  8,  6,  4,  2,  1,
     3,  5,  7,  9, 11, 13, 14, 14,
    15, 16, 17, 18, 19, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19, 19,
    19, 19, 19, 19, 19, 19, 19,
}

Definition at line 153 of file aacsbrdata.h.

t_huffman_env_3_0dB_codes

const uint32_t t_huffman_env_3_0dB_codes[63]

static

Initial value:

= {
    0x3ffed, 0x3ffee, 0x7ffde, 0x7ffdf, 0x7ffe0, 0x7ffe1, 0x7ffe2, 0x7ffe3,
    0x7ffe4, 0x7ffe5, 0x7ffe6, 0x7ffe7, 0x7ffe8, 0x7ffe9, 0x7ffea, 0x7ffeb,
    0x7ffec, 0x1fff4, 0x0fff7, 0x0fff9, 0x0fff8, 0x03ffb, 0x03ffa, 0x03ff8,
    0x01ffa, 0x00ffc, 0x007fc, 0x000fe, 0x0003e, 0x0000e, 0x00002, 0x00000,
    0x00006, 0x0001e, 0x0007e, 0x001fe, 0x007fd, 0x01ffb, 0x03ff9, 0x03ffc,
    0x07ffa, 0x0fff6, 0x1fff5, 0x3ffec, 0x7ffed, 0x7ffee, 0x7ffef, 0x7fff0,
    0x7fff1, 0x7fff2, 0x7fff3, 0x7fff4, 0x7fff5, 0x7fff6, 0x7fff7, 0x7fff8,
    0x7fff9, 0x7fffa, 0x7fffb, 0x7fffc, 0x7fffd, 0x7fffe, 0x7ffff,
}

Definition at line 164 of file aacsbrdata.h.

f_huffman_env_3_0dB_bits

const uint8_t f_huffman_env_3_0dB_bits[63]

static

Initial value:

= {
    20, 20, 20, 20, 20, 20, 20, 18,
    19, 19, 19, 19, 18, 18, 20, 19,
    17, 18, 17, 16, 16, 15, 14, 12,
    11, 10,  9,  8,  6,  4,  2,  1,
     3,  5,  8,  9, 10, 11, 12, 13,
    14, 15, 15, 16, 16, 17, 17, 18,
    18, 18, 20, 19, 19, 19, 20, 19,
    19, 20, 20, 20, 20, 20, 20,
}

Definition at line 175 of file aacsbrdata.h.

f_huffman_env_3_0dB_codes

const uint32_t f_huffman_env_3_0dB_codes[63]

static

Initial value:

= {
    0xffff0, 0xffff1, 0xffff2, 0xffff3, 0xffff4, 0xffff5, 0xffff6, 0x3fff3,
    0x7fff5, 0x7ffee, 0x7ffef, 0x7fff6, 0x3fff4, 0x3fff2, 0xffff7, 0x7fff0,
    0x1fff5, 0x3fff0, 0x1fff4, 0x0fff7, 0x0fff6, 0x07ff8, 0x03ffb, 0x00ffd,
    0x007fd, 0x003fd, 0x001fd, 0x000fd, 0x0003e, 0x0000e, 0x00002, 0x00000,
    0x00006, 0x0001e, 0x000fc, 0x001fc, 0x003fc, 0x007fc, 0x00ffc, 0x01ffc,
    0x03ffa, 0x07ff9, 0x07ffa, 0x0fff8, 0x0fff9, 0x1fff6, 0x1fff7, 0x3fff5,
    0x3fff6, 0x3fff1, 0xffff8, 0x7fff1, 0x7fff2, 0x7fff3, 0xffff9, 0x7fff7,
    0x7fff4, 0xffffa, 0xffffb, 0xffffc, 0xffffd, 0xffffe, 0xfffff,
}

Definition at line 186 of file aacsbrdata.h.

t_huffman_env_bal_3_0dB_bits

const uint8_t t_huffman_env_bal_3_0dB_bits[25]

static

Initial value:

= {
    13, 13, 13, 13, 13, 13, 13, 12,
     8,  7,  4,  3,  1,  2,  5,  6,
     9, 13, 13, 13, 13, 13, 13, 14,
    14,
}

Definition at line 197 of file aacsbrdata.h.

t_huffman_env_bal_3_0dB_codes

const uint16_t t_huffman_env_bal_3_0dB_codes[25]

static

Initial value:

= {
    0x1ff2, 0x1ff3, 0x1ff4, 0x1ff5, 0x1ff6, 0x1ff7, 0x1ff8, 0x0ff8,
    0x00fe, 0x007e, 0x000e, 0x0006, 0x0000, 0x0002, 0x001e, 0x003e,
    0x01fe, 0x1ff9, 0x1ffa, 0x1ffb, 0x1ffc, 0x1ffd, 0x1ffe, 0x3ffe,
    0x3fff,
}

Definition at line 204 of file aacsbrdata.h.

f_huffman_env_bal_3_0dB_bits

const uint8_t f_huffman_env_bal_3_0dB_bits[25]

static

Initial value:

= {
    13, 13, 13, 13, 13, 14, 14, 11,
     8,  7,  4,  2,  1,  3,  5,  6,
     9, 12, 13, 14, 14, 14, 14, 14,
    14,
}

Definition at line 211 of file aacsbrdata.h.

f_huffman_env_bal_3_0dB_codes

const uint16_t f_huffman_env_bal_3_0dB_codes[25]

static

Initial value:

= {
    0x1ff7, 0x1ff8, 0x1ff9, 0x1ffa, 0x1ffb, 0x3ff8, 0x3ff9, 0x07fc,
    0x00fe, 0x007e, 0x000e, 0x0002, 0x0000, 0x0006, 0x001e, 0x003e,
    0x01fe, 0x0ffa, 0x1ff6, 0x3ffa, 0x3ffb, 0x3ffc, 0x3ffd, 0x3ffe,
    0x3fff,
}

Definition at line 218 of file aacsbrdata.h.

t_huffman_noise_3_0dB_bits

const uint8_t t_huffman_noise_3_0dB_bits[63]

static

Initial value:

= {
    13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 11,  8,  6,  4,  3,  1,
     2,  5,  8, 10, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 13, 13, 13,
    13, 13, 13, 13, 13, 14, 14,
}

Definition at line 225 of file aacsbrdata.h.

t_huffman_noise_3_0dB_codes

const uint16_t t_huffman_noise_3_0dB_codes[63]

static

Initial value:

= {
    0x1fce, 0x1fcf, 0x1fd0, 0x1fd1, 0x1fd2, 0x1fd3, 0x1fd4, 0x1fd5,
    0x1fd6, 0x1fd7, 0x1fd8, 0x1fd9, 0x1fda, 0x1fdb, 0x1fdc, 0x1fdd,
    0x1fde, 0x1fdf, 0x1fe0, 0x1fe1, 0x1fe2, 0x1fe3, 0x1fe4, 0x1fe5,
    0x1fe6, 0x1fe7, 0x07f2, 0x00fd, 0x003e, 0x000e, 0x0006, 0x0000,
    0x0002, 0x001e, 0x00fc, 0x03f8, 0x1fcc, 0x1fe8, 0x1fe9, 0x1fea,
    0x1feb, 0x1fec, 0x1fcd, 0x1fed, 0x1fee, 0x1fef, 0x1ff0, 0x1ff1,
    0x1ff2, 0x1ff3, 0x1ff4, 0x1ff5, 0x1ff6, 0x1ff7, 0x1ff8, 0x1ff9,
    0x1ffa, 0x1ffb, 0x1ffc, 0x1ffd, 0x1ffe, 0x3ffe, 0x3fff,
}

Definition at line 236 of file aacsbrdata.h.

t_huffman_noise_bal_3_0dB_bits

const uint8_t t_huffman_noise_bal_3_0dB_bits[25]

static

Initial value:

= {
    8, 8, 8, 8, 8, 8, 8, 8,
    8, 8, 5, 2, 1, 3, 6, 8,
    8, 8, 8, 8, 8, 8, 8, 8,
    8,
}

Definition at line 247 of file aacsbrdata.h.

t_huffman_noise_bal_3_0dB_codes

const uint8_t t_huffman_noise_bal_3_0dB_codes[25]

static

Initial value:

= {
    0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3,
    0xf4, 0xf5, 0x1c, 0x02, 0x00, 0x06, 0x3a, 0xf6,
    0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe,
    0xff,
}

Definition at line 254 of file aacsbrdata.h.

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}, 
}

Definition at line 261 of file aacsbrdata.h.

Referenced by sbr_make_f_master().

ff_sbr_noise_table

const INTFLOAT ff_sbr_noise_table[][2]

window coefficients for analysis/synthesis QMF banks

Definition at line 271 of file aacsbrdata.h.

Referenced by sbr_hf_apply_noise().

sbr_qmf_window_ds

INTFLOAT sbr_qmf_window_ds[320]

static

Definition at line 536 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 539 of file aacsbrdata.h.

Referenced by aacsbr_tableinit(), and sbr_qmf_synthesis().