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FFmpeg/libavcodec/qdm2data.h
Andreas Rheinhardt bcdf67c7fa avcodec/qdm2: Initialize array of VLCs in a loop 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-12-08 17:51:46 +01:00

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/*
* QDM2 compatible decoder
* Copyright (c) 2003 Ewald Snel
* Copyright (c) 2005 Benjamin Larsson
* Copyright (c) 2005 Alex Beregszaszi
* Copyright (c) 2005 Roberto Togni
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Various QDM2 tables.
*/
#ifndef AVCODEC_QDM2DATA_H
#define AVCODEC_QDM2DATA_H
#include <stdint.h>
/** VLC TABLES **/
/* values in this table range from -1..23; adjust retrieved value by -1 */
static const uint8_t tab_level[24][2] = {
{ 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 },
};
/* values in this table range from -1..36; adjust retrieved value by -1 */
static const uint8_t tab_diff[33][2] = {
{ 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 },
};
/* values in this table range from -1..5; adjust retrieved value by -1 */
static const uint8_t tab_run[6][2] = {
{ 1, 1 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 0, 5 },
};
/* values in this table range from -1..19; adjust retrieved value by -1 */
static const uint8_t tab_tone_level_idx_hi1[20][2] = {
{ 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 },
};
/* values in this table range from -1..23; adjust retrieved value by -1 */
static const uint8_t tab_tone_level_idx_mid[13][2] = {
{ 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 },
};
/* values in this table range from -1..23; adjust retrieved value by -1 */
static const uint8_t tab_tone_level_idx_hi2[18][2] = {
{ 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 },
};
/* values in this table range from -1..8; adjust retrieved value by -1 */
static const uint8_t tab_type30[9][2] = {
{ 2, 3 }, { 6, 4 }, { 7, 5 }, { 8, 6 }, { 0, 6 }, { 5, 3 }, { 1, 3 },
{ 3, 2 }, { 4, 2 },
};
/* values in this table range from -1..9; adjust retrieved value by -1 */
static const uint8_t tab_type34[10][2] = {
{ 1, 4 }, { 9, 5 }, { 0, 5 }, { 3, 3 }, { 7, 3 }, { 8, 3 }, { 2, 3 },
{ 4, 3 }, { 6, 3 }, { 5, 3 },
};
static const uint8_t tab_fft_tone_offset_sizes[] = {
23, 28, 31, 34, 37
};
static const uint8_t tab_fft_tone_offset[][2] = {
/* First table - 23 entries with range -1..21 */
{ 2, 2 }, { 7, 7 }, { 15, 8 }, { 21, 8 }, { 3, 6 }, { 6, 6 },
{ 13, 7 }, { 14, 8 }, { 18, 8 }, { 4, 4 }, { 5, 5 }, { 11, 7 },
{ 10, 7 }, { 20, 6 }, { 12, 8 }, { 16, 9 }, { 22, 10 }, { 0, 10 },
{ 17, 7 }, { 19, 6 }, { 8, 6 }, { 9, 6 }, { 1, 1 },
/* Second table - 28 entries with range -1..26 */
{ 8, 6 }, { 2, 6 }, { 7, 6 }, { 23, 7 }, { 12, 7 }, { 5, 4 },
{ 10, 6 }, { 20, 8 }, { 25, 9 }, { 26, 10 }, { 27, 11 }, { 0, 11 },
{ 22, 7 }, { 9, 5 }, { 13, 6 }, { 17, 6 }, { 4, 5 }, { 14, 6 },
{ 19, 7 }, { 24, 7 }, { 3, 6 }, { 11, 6 }, { 21, 6 }, { 18, 6 },
{ 16, 6 }, { 15, 6 }, { 6, 3 }, { 1, 1 },
/* Third table - 31 entries with range -1..30 (1 omitted) */
{ 14, 7 }, { 17, 7 }, { 15, 7 }, { 23, 9 }, { 28, 10 }, { 29, 11 },
{ 30, 13 }, { 0, 13 }, { 31, 12 }, { 25, 8 }, { 10, 5 }, { 8, 4 },
{ 9, 4 }, { 4, 4 }, { 22, 8 }, { 3, 8 }, { 21, 8 }, { 26, 9 },
{ 27, 9 }, { 12, 6 }, { 11, 5 }, { 16, 7 }, { 18, 7 }, { 20, 8 },
{ 24, 8 }, { 19, 7 }, { 13, 5 }, { 5, 3 }, { 1, 2 }, { 6, 3 },
{ 7, 3 },
/* Fourth table - 34 entries with range -1..33 (1 omitted) */
{ 4, 4 }, { 7, 4 }, { 10, 4 }, { 3, 10 }, { 27, 10 }, { 29, 10 },
{ 28, 10 }, { 22, 8 }, { 21, 7 }, { 15, 6 }, { 14, 5 }, { 8, 4 },
{ 16, 6 }, { 19, 7 }, { 23, 8 }, { 26, 9 }, { 30, 10 }, { 33, 13 },
{ 34, 14 }, { 0, 14 }, { 32, 12 }, { 31, 11 }, { 12, 5 }, { 5, 3 },
{ 9, 3 }, { 1, 4 }, { 20, 7 }, { 25, 8 }, { 24, 8 }, { 18, 6 },
{ 17, 5 }, { 6, 3 }, { 11, 4 }, { 13, 4 },
/* Fifth table - 37 entries with range -1..36 (1 omitted) */
{ 5, 3 }, { 4, 3 }, { 19, 8 }, { 33, 12 }, { 31, 12 }, { 28, 11 },
{ 34, 14 }, { 37, 14 }, { 35, 15 }, { 0, 15 }, { 36, 14 }, { 32, 12 },
{ 30, 11 }, { 24, 9 }, { 22, 8 }, { 23, 9 }, { 29, 10 }, { 27, 10 },
{ 17, 6 }, { 14, 5 }, { 7, 4 }, { 12, 5 }, { 1, 6 }, { 26, 9 },
{ 3, 9 }, { 25, 8 }, { 20, 7 }, { 8, 4 }, { 10, 4 }, { 13, 4 },
{ 15, 6 }, { 16, 6 }, { 18, 6 }, { 21, 6 }, { 11, 4 }, { 9, 3 },
{ 6, 3 },
};
/** FFT TABLES **/
/* values in this table range from -1..27; adjust retrieved value by -1 */
static const uint8_t fft_level_exp_alt[28][2] = {
{ 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 },
};
/* values in this table range from -1..19; adjust retrieved value by -1 */
static const uint8_t fft_level_exp[20][2] = {
{ 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 },
};
/* values in this table range from -1..6; adjust retrieved value by -1 */
static const uint8_t fft_stereo_exp[7][2] = {
{ 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 }, { 0, 6 }, { 1, 1 },
};
/* values in this table range from -1..8; adjust retrieved value by -1 */
static const uint8_t fft_stereo_phase[9][2] = {
{ 2, 2 }, { 1, 2 }, { 3, 4 }, { 7, 4 }, { 6, 5 }, { 5, 6 }, { 0, 6 },
{ 4, 4 }, { 8, 2 },
};
static const int fft_cutoff_index_table[4][2] = {
{ 1, 2 }, {-1, 0 }, {-1,-2 }, { 0, 0 }
};
static const int16_t fft_level_index_table[256] = {
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,
};
static const uint8_t last_coeff[3] = {
4, 7, 10
};
static const uint8_t coeff_per_sb_for_avg[3][30] = {
{ 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 }
};
static const uint32_t dequant_table[3][10][30] = {
{ { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 256, 256, 205, 154, 102, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 51, 102, 154, 205, 256, 238, 219, 201, 183, 165, 146, 128, 110, 91, 73, 55, 37, 18, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 18, 37, 55, 73, 91, 110, 128, 146, 165, 183, 201, 219, 238, 256, 228, 199, 171, 142, 114, 85, 57, 28 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
{ { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 85, 171, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 85, 171, 256, 219, 183, 146, 110, 73, 37, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 37, 73, 110, 146, 183, 219, 256, 228, 199, 171, 142, 114, 85, 57, 28, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 57, 85, 114, 142, 171, 199, 228, 256, 213, 171, 128, 85, 43 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
{ { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 256, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 85, 171, 256, 192, 128, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 128, 192, 256, 205, 154, 102, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 51, 102, 154, 205, 256, 213, 171, 128, 85, 43, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 85, 128, 171, 213, 256, 213, 171, 128, 85, 43 } }
};
static const uint8_t coeff_per_sb_for_dequant[3][30] = {
{ 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 }
};
/* first index is subband, 2nd index is 0, 1 or 3 (2 is unused) */
static const int8_t tone_level_idx_offset_table[30][4] = {
{ -50, -50, 0, -50 },
{ -50, -50, 0, -50 },
{ -50, -9, 0, -19 },
{ -16, -6, 0, -12 },
{ -11, -4, 0, -8 },
{ -8, -3, 0, -6 },
{ -7, -3, 0, -5 },
{ -6, -2, 0, -4 },
{ -5, -2, 0, -3 },
{ -4, -1, 0, -3 },
{ -4, -1, 0, -2 },
{ -3, -1, 0, -2 },
{ -3, -1, 0, -2 },
{ -3, -1, 0, -2 },
{ -2, -1, 0, -1 },
{ -2, -1, 0, -1 },
{ -2, -1, 0, -1 },
{ -2, 0, 0, -1 },
{ -2, 0, 0, -1 },
{ -1, 0, 0, -1 },
{ -1, 0, 0, -1 },
{ -1, 0, 0, -1 },
{ -1, 0, 0, -1 },
{ -1, 0, 0, -1 },
{ -1, 0, 0, -1 },
{ -1, 0, 0, -1 },
{ -1, 0, 0, 0 },
{ -1, 0, 0, 0 },
{ -1, 0, 0, 0 },
{ -1, 0, 0, 0 }
};
/* all my samples have 1st index 0 or 1 */
/* second index is subband, only indexes 0-29 seem to be used */
static const int8_t coding_method_table[5][30] = {
{ 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
},
};
static const int vlc_stage3_values[60] = {
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
};
static const float fft_tone_sample_table[4][16][5] = {
{ { .0100000000f,-.0037037037f,-.0020000000f,-.0069444444f,-.0018416207f },
{ .0416666667f, .0000000000f, .0000000000f,-.0208333333f,-.0123456791f },
{ .1250000000f, .0558035709f, .0330687836f,-.0164473690f,-.0097465888f },
{ .1562500000f, .0625000000f, .0370370370f,-.0062500000f,-.0037037037f },
{ .1996007860f, .0781250000f, .0462962948f, .0022727272f, .0013468013f },
{ .2000000000f, .0625000000f, .0370370373f, .0208333333f, .0074074073f },
{ .2127659619f, .0555555556f, .0329218097f, .0208333333f, .0123456791f },
{ .2173913121f, .0473484844f, .0280583613f, .0347222239f, .0205761325f },
{ .2173913121f, .0347222239f, .0205761325f, .0473484844f, .0280583613f },
{ .2127659619f, .0208333333f, .0123456791f, .0555555556f, .0329218097f },
{ .2000000000f, .0208333333f, .0074074073f, .0625000000f, .0370370370f },
{ .1996007860f, .0022727272f, .0013468013f, .0781250000f, .0462962948f },
{ .1562500000f,-.0062500000f,-.0037037037f, .0625000000f, .0370370370f },
{ .1250000000f,-.0164473690f,-.0097465888f, .0558035709f, .0330687836f },
{ .0416666667f,-.0208333333f,-.0123456791f, .0000000000f, .0000000000f },
{ .0100000000f,-.0069444444f,-.0018416207f,-.0037037037f,-.0020000000f } },
{ { .0050000000f,-.0200000000f, .0125000000f,-.3030303030f, .0020000000f },
{ .1041666642f, .0400000000f,-.0250000000f, .0333333333f,-.0200000000f },
{ .1250000000f, .0100000000f, .0142857144f,-.0500000007f,-.0200000000f },
{ .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },
{ .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },
{ .1250000000f,-.0500000000f,-.0200000000f, .0100000000f, .0142857144f },
{ .1041666667f, .0333333333f,-.0200000000f, .0400000000f,-.0250000000f },
{ .0050000000f,-.3030303030f, .0020000001f,-.0200000000f, .0125000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },
{ { .1428571492f, .1250000000f,-.0285714287f,-.0357142873f, .0208333333f },
{ .1818181818f, .0588235296f, .0333333333f, .0212765951f, .0100000000f },
{ .1818181818f, .0212765951f, .0100000000f, .0588235296f, .0333333333f },
{ .1428571492f,-.0357142873f, .0208333333f, .1250000000f,-.0285714287f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },
{ { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
{ .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } }
};
static const float fft_tone_level_table[2][64] = { {
/* pow ~ (i > 46) ? 0 : (((((i & 1) ? 431 : 304) << (i >> 1))) / 1024.0); */
0.17677669f, 0.42677650f, 0.60355347f, 0.85355347f,
1.20710683f, 1.68359375f, 2.37500000f, 3.36718750f,
4.75000000f, 6.73437500f, 9.50000000f, 13.4687500f,
19.0000000f, 26.9375000f, 38.0000000f, 53.8750000f,
76.0000000f, 107.750000f, 152.000000f, 215.500000f,
304.000000f, 431.000000f, 608.000000f, 862.000000f,
1216.00000f, 1724.00000f, 2432.00000f, 3448.00000f,
4864.00000f, 6896.00000f, 9728.00000f, 13792.0000f,
19456.0000f, 27584.0000f, 38912.0000f, 55168.0000f,
77824.0000f, 110336.000f, 155648.000f, 220672.000f,
311296.000f, 441344.000f, 622592.000f, 882688.000f,
1245184.00f, 1765376.00f, 2490368.00f, 0.00000000f,
0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
}, {
/* pow = (i > 45) ? 0 : ((((i & 1) ? 431 : 304) << (i >> 1)) / 512.0); */
0.59375000f, 0.84179688f, 1.18750000f, 1.68359375f,
2.37500000f, 3.36718750f, 4.75000000f, 6.73437500f,
9.50000000f, 13.4687500f, 19.0000000f, 26.9375000f,
38.0000000f, 53.8750000f, 76.0000000f, 107.750000f,
152.000000f, 215.500000f, 304.000000f, 431.000000f,
608.000000f, 862.000000f, 1216.00000f, 1724.00000f,
2432.00000f, 3448.00000f, 4864.00000f, 6896.00000f,
9728.00000f, 13792.0000f, 19456.0000f, 27584.0000f,
38912.0000f, 55168.0000f, 77824.0000f, 110336.000f,
155648.000f, 220672.000f, 311296.000f, 441344.000f,
622592.000f, 882688.000f, 1245184.00f, 1765376.00f,
2490368.00f, 3530752.00f, 0.00000000f, 0.00000000f,
0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f
} };
static const float fft_tone_envelope_table[4][31] = {
{ .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 }
};
static const float sb_noise_attenuation[32] = {
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,
};
static const uint8_t fft_subpackets[32] = {
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
};
/* first index is joined_stereo, second index is 0 or 2 (1 is unused) */
static const float dequant_1bit[2][3] = {
{-0.920000f, 0.000000f, 0.920000f },
{-0.890000f, 0.000000f, 0.890000f }
};
static const float type30_dequant[8] = {
-1.0f,-0.625f,-0.291666656732559f,0.0f,
0.25f,0.5f,0.75f,1.0f,
};
static const float type34_delta[10] = { // FIXME: covers 8 entries..
-1.0f,-0.60947573184967f,-0.333333343267441f,-0.138071194291115f,0.0f,
0.138071194291115f,0.333333343267441f,0.60947573184967f,1.0f,0.0f,
};
#endif /* AVCODEC_QDM2DATA_H */
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