#include <stdint.h>

Variables
static const uint8_t	tab_level [24][2]
	VLC TABLES. More...

static const uint8_t	tab_diff [33][2]

static const uint8_t	tab_run [6][2]

static const uint8_t	tab_tone_level_idx_hi1 [20][2]

static const uint8_t	tab_tone_level_idx_mid [13][2]

static const uint8_t	tab_tone_level_idx_hi2 [18][2]

static const uint8_t	tab_type30 [9][2]

static const uint8_t	tab_type34 [10][2]

static const uint8_t	tab_fft_tone_offset_sizes []

static const uint8_t	tab_fft_tone_offset [][2]

static const uint8_t	fft_level_exp_alt [28][2]
	FFT TABLES. More...

static const uint8_t	fft_level_exp [20][2]

static const uint8_t	fft_stereo_exp [7][2]

static const uint8_t	fft_stereo_phase [9][2]

static const int	fft_cutoff_index_table [4][2]

static const int16_t	fft_level_index_table [256]

static const uint8_t	last_coeff [3]

static const uint8_t	coeff_per_sb_for_avg [3][30]

static const uint32_t	dequant_table [3][10][30]

static const uint8_t	coeff_per_sb_for_dequant [3][30]

static const int8_t	tone_level_idx_offset_table [30][4]

static const int8_t	coding_method_table [5][30]

static const int	vlc_stage3_values [60]

static const float	fft_tone_sample_table [4][16][5]

static const float	fft_tone_level_table [2][64]

static const float	fft_tone_envelope_table [4][31]

static const float	sb_noise_attenuation [32]

static const uint8_t	fft_subpackets [32]

static const float	dequant_1bit [2][3]

static const float	type30_dequant [8]

static const float	type34_delta [10]

Detailed Description

Various QDM2 tables.

Definition in file qdm2data.h.

Variable Documentation

◆ tab_level

const uint8_t tab_level[24][2]

static

Initial value:

= {
    { 12,  4 }, { 17,  4 }, {  1,  6 }, {  8,  6 }, {  9,  5 }, { 20,  7 },
    {  3,  7 }, {  5,  6 }, {  6,  6 }, {  2,  7 }, { 22,  9 }, { 23, 10 },
    {  0, 10 }, { 21,  8 }, { 11,  4 }, { 19,  5 }, {  7,  6 }, {  4,  6 },
    { 16,  3 }, { 10,  4 }, { 18,  4 }, { 15,  3 }, { 13,  3 }, { 14,  3 },
}

VLC TABLES.

Definition at line 38 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ tab_diff

const uint8_t tab_diff[33][2]

static

Initial value:

= {
    {  2,  3 }, {  1,  3 }, {  5,  3 }, { 14,  8 }, { 20,  9 }, { 26, 10 },
    { 25, 12 }, { 32, 12 }, { 19, 11 }, { 16,  8 }, { 24,  9 }, { 17,  9 },
    { 12,  7 }, { 13,  7 }, {  9,  5 }, {  7,  4 }, {  3,  2 }, {  4,  3 },
    {  8,  6 }, { 11,  6 }, { 18,  8 }, { 15,  8 }, { 30, 11 }, { 36, 13 },
    { 34, 13 }, { 29, 13 }, {  0, 13 }, { 21, 10 }, { 28, 10 }, { 23, 10 },
    { 22,  8 }, { 10,  6 }, {  6,  4 },
}

Definition at line 46 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ tab_run

const uint8_t tab_run[6][2]

static

Initial value:

= {
    { 1, 1 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 0, 5 },
}

Definition at line 56 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ tab_tone_level_idx_hi1

const uint8_t tab_tone_level_idx_hi1[20][2]

static

Initial value:

= {
    {  4,  3 }, {  5,  5 }, {  9, 10 }, { 11, 11 }, { 13, 12 }, { 14, 12 },
    { 10, 10 }, { 12, 11 }, { 17, 14 }, { 16, 14 }, { 18, 15 }, {  0, 15 },
    { 19, 14 }, { 15, 12 }, {  8,  8 }, {  7,  7 }, {  6,  6 }, {  1,  4 },
    {  2,  2 }, {  3,  1 },
}

Definition at line 61 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ tab_tone_level_idx_mid

const uint8_t tab_tone_level_idx_mid[13][2]

static

Initial value:

= {
    { 18,  2 }, { 19,  4 }, { 20,  6 }, { 14,  7 }, { 21,  8 }, { 13,  9 },
    { 22, 10 }, { 12, 11 }, { 23, 12 }, {  0, 12 }, { 15,  5 }, { 16,  3 },
    { 17,  1 },
}

Definition at line 69 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ tab_tone_level_idx_hi2

const uint8_t tab_tone_level_idx_hi2[18][2]

static

Initial value:

= {
    { 14,  4 }, { 11,  6 }, { 19,  7 }, {  9,  7 }, { 13,  5 }, { 10,  6 },
    { 20,  8 }, {  8,  8 }, {  6, 10 }, { 23, 11 }, {  0, 11 }, { 21,  9 },
    {  7,  8 }, { 12,  5 }, { 18,  4 }, { 16,  2 }, { 15,  2 }, { 17,  2 },
}

Definition at line 76 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ tab_type30

const uint8_t tab_type30[9][2]

static

Initial value:

= {
    { 2, 3 }, { 6, 4 }, { 7, 5 }, { 8, 6 }, { 0, 6 }, { 5, 3 }, { 1, 3 },
    { 3, 2 }, { 4, 2 },
}

Definition at line 83 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ tab_type34

const uint8_t tab_type34[10][2]

static

Initial value:

= {
    { 1, 4 }, { 9, 5 }, { 0, 5 }, { 3, 3 }, { 7, 3 }, { 8, 3 }, { 2, 3 },
    { 4, 3 }, { 6, 3 }, { 5, 3 },
}

Definition at line 89 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ tab_fft_tone_offset_sizes

const uint8_t tab_fft_tone_offset_sizes[]

static

Initial value:

= {
    23, 28, 31, 34, 37
}

Definition at line 94 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ tab_fft_tone_offset

const uint8_t tab_fft_tone_offset[][2]

static

Definition at line 98 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ fft_level_exp_alt

const uint8_t fft_level_exp_alt[28][2]

static

Initial value:

= {
    { 18,  3 }, { 16,  3 }, { 22,  7 }, {  8, 10 }, {  4, 10 }, {  3,  9 },
    {  2,  8 }, { 23,  8 }, { 10,  8 }, { 11,  7 }, { 21,  5 }, { 20,  4 },
    {  1,  7 }, {  7, 10 }, {  5, 10 }, {  9,  9 }, {  6, 10 }, { 25, 11 },
    { 26, 12 }, { 27, 13 }, {  0, 13 }, { 24,  9 }, { 12,  6 }, { 13,  5 },
    { 14,  4 }, { 19,  3 }, { 15,  3 }, { 17,  2 },
}

FFT TABLES.

Definition at line 137 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ fft_level_exp

const uint8_t fft_level_exp[20][2]

static

Initial value:

= {
    {  3,  3 }, { 11,  6 }, { 16,  9 }, { 17, 10 }, { 18, 11 }, { 19, 12 },
    {  0, 12 }, { 15,  8 }, { 14,  7 }, {  9,  5 }, {  7,  4 }, {  2,  3 },
    {  4,  3 }, {  1,  3 }, {  5,  3 }, { 12,  6 }, { 13,  6 }, { 10,  5 },
    {  8,  4 }, {  6,  3 },
}

Definition at line 146 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ fft_stereo_exp

const uint8_t fft_stereo_exp[7][2]

static

Initial value:

= {
    { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 }, { 0, 6 }, { 1, 1 },
}

Definition at line 154 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ fft_stereo_phase

const uint8_t fft_stereo_phase[9][2]

static

Initial value:

= {
    { 2, 2 }, { 1, 2 }, { 3, 4 }, { 7, 4 }, { 6, 5 }, { 5, 6 }, { 0, 6 },
    { 4, 4 }, { 8, 2 },
}

Definition at line 159 of file qdm2data.h.

Referenced by qdm2_init_vlc().

◆ fft_cutoff_index_table

const int fft_cutoff_index_table[4][2]

static

Initial value:

= {
    { 1, 2 }, {-1, 0 }, {-1,-2 }, { 0, 0 }
}

Definition at line 164 of file qdm2data.h.

Referenced by qdm2_fft_generate_tone().

◆ fft_level_index_table

const int16_t fft_level_index_table[256]

static

Initial value:

= {
    0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,
    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
}

Definition at line 168 of file qdm2data.h.

Referenced by qdm2_fft_decode_tones().

◆ last_coeff

const uint8_t last_coeff[3]

static

Initial value:

= {
    4, 7, 10
}

Definition at line 187 of file qdm2data.h.

Referenced by calc_input_response(), and fill_tone_level_array().

◆ coeff_per_sb_for_avg

const uint8_t coeff_per_sb_for_avg[3][30]

static

Initial value:

= {
    { 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
    { 0, 1, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 },
    { 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9 }
}

Definition at line 191 of file qdm2data.h.

Referenced by average_quantized_coeffs(), and process_subpacket_9().

◆ dequant_table

const uint32_t dequant_table[3][10][30]

static

Definition at line 197 of file qdm2data.h.

◆ coeff_per_sb_for_dequant

const uint8_t coeff_per_sb_for_dequant[3][30]

static

Initial value:

= {
    { 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
    { 0, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 },
    { 0, 1, 2, 3, 4, 4, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9 }
}

Definition at line 230 of file qdm2data.h.

Referenced by fill_tone_level_array().

◆ tone_level_idx_offset_table

const int8_t tone_level_idx_offset_table[30][4]

static

Definition at line 237 of file qdm2data.h.

Referenced by fill_coding_method_array().

◆ coding_method_table

const int8_t coding_method_table[5][30]

static

Initial value:

= {
    { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,
      10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
    },
    { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,
      10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
    },
    { 34, 30, 30, 30, 24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10,
      10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
    },
    { 34, 34, 30, 30, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16,
      16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10
    },
    { 34, 34, 30, 30, 30, 30, 30, 30, 24, 24, 24, 24, 24, 24, 24,
      24, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
    },
}

Definition at line 272 of file qdm2data.h.

Referenced by fill_coding_method_array().

◆ vlc_stage3_values

const int vlc_stage3_values[60]

static

Initial value:

= {
        0,     1,     2,     3,     4,     6,     8,    10,    12,    16,    20,    24,
       28,    36,    44,    52,    60,    76,    92,   108,   124,   156,   188,   220,
      252,   316,   380,   444,   508,   636,   764,   892,  1020,  1276,  1532,  1788,
     2044,  2556,  3068,  3580,  4092,  5116,  6140,  7164,  8188, 10236, 12284, 14332,
    16380, 20476, 24572, 28668, 32764, 40956, 49148, 57340, 65532, 81916, 98300,114684
}

Definition at line 290 of file qdm2data.h.

Referenced by qdm2_get_vlc().

◆ fft_tone_sample_table

const float fft_tone_sample_table[4][16][5]

static

Definition at line 298 of file qdm2data.h.

Referenced by qdm2_fft_tone_synthesizer().

◆ fft_tone_level_table

const float fft_tone_level_table[2][64]

static

Definition at line 368 of file qdm2data.h.

Referenced by fill_tone_level_array(), and qdm2_fft_tone_synthesizer().

◆ fft_tone_envelope_table

const float fft_tone_envelope_table[4][31]

static

Initial value:

= {
    { .009607375f, .038060248f, .084265202f, .146446645f, .222214907f, .308658302f,
      .402454883f, .500000060f, .597545207f, .691341758f, .777785182f, .853553414f,
      .915734828f, .961939812f, .990392685f, 1.00000000f, .990392625f, .961939752f,
      .915734768f, .853553295f, .777785063f, .691341639f, .597545087f, .500000000f,
      .402454853f, .308658272f, .222214878f, .146446615f, .084265172f, .038060218f,
      .009607345f },
    { .038060248f, .146446645f, .308658302f, .500000060f, .691341758f, .853553414f,
      .961939812f, 1.00000000f, .961939752f, .853553295f, .691341639f, .500000000f,
      .308658272f, .146446615f, .038060218f, .000000000f, .000000000f, .000000000f,
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f },
    { .146446645f, .500000060f, .853553414f, 1.00000000f, .853553295f, .500000000f,
      .146446615f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f },
    { .500000060f, 1.00000000f, .500000000f, .000000000f, .000000000f, .000000000f,
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
      .000000000f }
}

Definition at line 406 of file qdm2data.h.

Referenced by qdm2_fft_generate_tone().

◆ sb_noise_attenuation

const float sb_noise_attenuation[32]

static

Initial value:

= {
    0.0f, 0.0f, 0.3f, 0.4f, 0.5f, 0.7f, 1.0f, 1.0f,
    1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
    1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
    1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
}

Definition at line 433 of file qdm2data.h.

◆ fft_subpackets

const uint8_t fft_subpackets[32]

static

Initial value:

= {
    0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0
}

Definition at line 440 of file qdm2data.h.

Referenced by qdm2_decode_fft_packets(), and qdm2_decode_super_block().

◆ dequant_1bit

const float dequant_1bit[2][3]

static

Initial value:

= {
    {-0.920000f, 0.000000f, 0.920000f },
    {-0.890000f, 0.000000f, 0.890000f }
}

Definition at line 446 of file qdm2data.h.

Referenced by synthfilt_build_sb_samples().

◆ type30_dequant

const float type30_dequant[8]

static

Initial value:

= {
   -1.0f,-0.625f,-0.291666656732559f,0.0f,
   0.25f,0.5f,0.75f,1.0f,
}

Definition at line 451 of file qdm2data.h.

Referenced by synthfilt_build_sb_samples().

◆ type34_delta

const float type34_delta[10]

static

Initial value:

= { 
    -1.0f,-0.60947573184967f,-0.333333343267441f,-0.138071194291115f,0.0f,
    0.138071194291115f,0.333333343267441f,0.60947573184967f,1.0f,0.0f,
}

Definition at line 456 of file qdm2data.h.

Referenced by synthfilt_build_sb_samples().

Variables

Detailed Description

Variable Documentation

◆ tab_level

◆ tab_diff

◆ tab_run

◆ tab_tone_level_idx_hi1

◆ tab_tone_level_idx_mid

◆ tab_tone_level_idx_hi2

◆ tab_type30

◆ tab_type34

◆ tab_fft_tone_offset_sizes

◆ tab_fft_tone_offset

◆ fft_level_exp_alt

◆ fft_level_exp

◆ fft_stereo_exp

◆ fft_stereo_phase

◆ fft_cutoff_index_table

◆ fft_level_index_table

◆ last_coeff

◆ coeff_per_sb_for_avg

◆ dequant_table

◆ coeff_per_sb_for_dequant

◆ tone_level_idx_offset_table

◆ coding_method_table

◆ vlc_stage3_values

◆ fft_tone_sample_table

◆ fft_tone_level_table

◆ fft_tone_envelope_table

◆ sb_noise_attenuation

◆ fft_subpackets

◆ dequant_1bit

◆ type30_dequant

◆ type34_delta