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ffmpeg / libavcodec / qdm2data.h @ bb54f6ab

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/*
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 * QDM2 compatible decoder
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 * Copyright (c) 2003 Ewald Snel
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 * Copyright (c) 2005 Benjamin Larsson
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 * Copyright (c) 2005 Alex Beregszaszi
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 * Copyright (c) 2005 Roberto Togni
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 *
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 */
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 /**
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 * @file qdm2data.h
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 * Various QDM2 tables.
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 */
30

    
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#ifndef QDM2DATA_H
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#define QDM2DATA_H
33

    
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/** VLC TABLES **/
35

    
36
/* values in this table range from -1..23; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_level_huffcodes[24] = {
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    0x037c, 0x0004, 0x003c, 0x004c, 0x003a, 0x002c, 0x001c, 0x001a,
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    0x0024, 0x0014, 0x0001, 0x0002, 0x0000, 0x0003, 0x0007, 0x0005,
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    0x0006, 0x0008, 0x0009, 0x000a, 0x000c, 0x00fc, 0x007c, 0x017c
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};
42

    
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static const uint8_t vlc_tab_level_huffbits[24] = {
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    10, 6, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 4, 4, 5, 7, 8, 9, 10
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};
46

    
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/* values in this table range from -1..36; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_diff_huffcodes[37] = {
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    0x1c57, 0x0004, 0x0000, 0x0001, 0x0003, 0x0002, 0x000f, 0x000e,
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    0x0007, 0x0016, 0x0037, 0x0027, 0x0026, 0x0066, 0x0006, 0x0097,
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    0x0046, 0x01c6, 0x0017, 0x0786, 0x0086, 0x0257, 0x00d7, 0x0357,
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    0x00c6, 0x0386, 0x0186, 0x0000, 0x0157, 0x0c57, 0x0057, 0x0000,
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    0x0b86, 0x0000, 0x1457, 0x0000, 0x0457
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};
55

    
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static const uint8_t vlc_tab_diff_huffbits[37] = {
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    13, 3, 3, 2, 3, 3, 4, 4, 6, 5, 6, 6, 7, 7, 8, 8,
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    8, 9, 8, 11, 9, 10, 8, 10, 9, 12, 10, 0, 10, 13, 11, 0,
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    12, 0, 13, 0, 13
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};
61

    
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/* values in this table range from -1..5; adjust retrieved value by -1 */
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static const uint8_t vlc_tab_run_huffcodes[6] = {
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    0x1f, 0x00, 0x01, 0x03, 0x07, 0x0f
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};
66

    
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static const uint8_t vlc_tab_run_huffbits[6] = {
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    5, 1, 2, 3, 4, 5
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};
70

    
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/* values in this table range from -1..19; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_tone_level_idx_hi1_huffcodes[20] = {
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    0x5714, 0x000c, 0x0002, 0x0001, 0x0000, 0x0004, 0x0034, 0x0054,
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    0x0094, 0x0014, 0x0114, 0x0214, 0x0314, 0x0614, 0x0e14, 0x0f14,
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    0x2714, 0x0714, 0x1714, 0x3714
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};
77

    
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static const uint8_t vlc_tab_tone_level_idx_hi1_huffbits[20] = {
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    15, 4, 2, 1, 3, 5, 6, 7, 8, 10, 10, 11, 11, 12, 12, 12, 14, 14, 15, 14
80
};
81

    
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/* values in this table range from -1..23; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_tone_level_idx_mid_huffcodes[24] = {
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    0x0fea, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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    0x0000, 0x0000, 0x0000, 0x0000, 0x03ea, 0x00ea, 0x002a, 0x001a,
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    0x0006, 0x0001, 0x0000, 0x0002, 0x000a, 0x006a, 0x01ea, 0x07ea
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};
88

    
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static const uint8_t vlc_tab_tone_level_idx_mid_huffbits[24] = {
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    12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 9, 7, 5, 3, 1, 2, 4, 6, 8, 10, 12
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};
92

    
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/* values in this table range from -1..23; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_tone_level_idx_hi2_huffcodes[24] = {
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    0x0664, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0064, 0x00e4,
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    0x00a4, 0x0068, 0x0004, 0x0008, 0x0014, 0x0018, 0x0000, 0x0001,
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    0x0002, 0x0003, 0x000c, 0x0028, 0x0024, 0x0164, 0x0000, 0x0264
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};
99

    
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static const uint8_t vlc_tab_tone_level_idx_hi2_huffbits[24] = {
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    11, 0, 0, 0, 0, 0, 10, 8, 8, 7, 6, 6, 5, 5, 4, 2, 2, 2, 4, 7, 8, 9, 0, 11
102
};
103

    
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/* values in this table range from -1..8; adjust retrieved value by -1 */
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static const uint8_t vlc_tab_type30_huffcodes[9] = {
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    0x3c, 0x06, 0x00, 0x01, 0x03, 0x02, 0x04, 0x0c, 0x1c
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};
108

    
109
static const uint8_t vlc_tab_type30_huffbits[9] = {
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    6, 3, 3, 2, 2, 3, 4, 5, 6
111
};
112

    
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/* values in this table range from -1..9; adjust retrieved value by -1 */
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static const uint8_t vlc_tab_type34_huffcodes[10] = {
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    0x18, 0x00, 0x01, 0x04, 0x05, 0x07, 0x03, 0x02, 0x06, 0x08
116
};
117

    
118
static const uint8_t vlc_tab_type34_huffbits[10] = {
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    5, 4, 3, 3, 3, 3, 3, 3, 3, 5
120
};
121

    
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/* values in this table range from -1..22; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_fft_tone_offset_0_huffcodes[23] = {
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    0x038e, 0x0001, 0x0000, 0x0022, 0x000a, 0x0006, 0x0012, 0x0002,
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    0x001e, 0x003e, 0x0056, 0x0016, 0x000e, 0x0032, 0x0072, 0x0042,
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    0x008e, 0x004e, 0x00f2, 0x002e, 0x0036, 0x00c2, 0x018e
127
};
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static const uint8_t vlc_tab_fft_tone_offset_0_huffbits[23] = {
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    10, 1, 2, 6, 4, 5, 6, 7, 6, 6, 7, 7, 8, 7, 8, 8, 9, 7, 8, 6, 6, 8, 10
131
};
132

    
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/* values in this table range from -1..27; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_fft_tone_offset_1_huffcodes[28] = {
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    0x07a4, 0x0001, 0x0020, 0x0012, 0x001c, 0x0008, 0x0006, 0x0010,
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    0x0000, 0x0014, 0x0004, 0x0032, 0x0070, 0x000c, 0x0002, 0x003a,
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    0x001a, 0x002c, 0x002a, 0x0022, 0x0024, 0x000a, 0x0064, 0x0030,
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    0x0062, 0x00a4, 0x01a4, 0x03a4
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};
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static const uint8_t vlc_tab_fft_tone_offset_1_huffbits[28] = {
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    11, 1, 6, 6, 5, 4, 3, 6, 6, 5, 6, 6, 7, 6, 6, 6,
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    6, 6, 6, 7, 8, 6, 7, 7, 7, 9, 10, 11
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};
145

    
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/* values in this table range from -1..31; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_fft_tone_offset_2_huffcodes[32] = {
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    0x1760, 0x0001, 0x0000, 0x0082, 0x000c, 0x0006, 0x0003, 0x0007,
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    0x0008, 0x0004, 0x0010, 0x0012, 0x0022, 0x001a, 0x0000, 0x0020,
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    0x000a, 0x0040, 0x004a, 0x006a, 0x002a, 0x0042, 0x0002, 0x0060,
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    0x00aa, 0x00e0, 0x00c2, 0x01c2, 0x0160, 0x0360, 0x0760, 0x0f60
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};
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static const uint8_t vlc_tab_fft_tone_offset_2_huffbits[32] = {
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    13, 2, 0, 8, 4, 3, 3, 3, 4, 4, 5, 5, 6, 5, 7, 7,
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    7, 7, 7, 7, 8, 8, 8, 9, 8, 8, 9, 9, 10, 11, 13, 12
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};
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/* values in this table range from -1..34; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_fft_tone_offset_3_huffcodes[35] = {
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    0x33ea, 0x0005, 0x0000, 0x000c, 0x0000, 0x0006, 0x0003, 0x0008,
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    0x0002, 0x0001, 0x0004, 0x0007, 0x001a, 0x000f, 0x001c, 0x002c,
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    0x000a, 0x001d, 0x002d, 0x002a, 0x000d, 0x004c, 0x008c, 0x006a,
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    0x00cd, 0x004d, 0x00ea, 0x020c, 0x030c, 0x010c, 0x01ea, 0x07ea,
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    0x0bea, 0x03ea, 0x13ea
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};
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static const uint8_t vlc_tab_fft_tone_offset_3_huffbits[35] = {
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    14, 4, 0, 10, 4, 3, 3, 4, 4, 3, 4, 4, 5, 4, 5, 6,
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    6, 5, 6, 7, 7, 7, 8, 8, 8, 8, 9, 10, 10, 10, 10, 11,
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    12, 13, 14
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};
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/* values in this table range from -1..37; adjust retrieved value by -1 */
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static const uint16_t vlc_tab_fft_tone_offset_4_huffcodes[38] = {
176
    0x5282, 0x0016, 0x0000, 0x0136, 0x0004, 0x0000, 0x0007, 0x000a,
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    0x000e, 0x0003, 0x0001, 0x000d, 0x0006, 0x0009, 0x0012, 0x0005,
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    0x0025, 0x0022, 0x0015, 0x0002, 0x0076, 0x0035, 0x0042, 0x00c2,
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    0x0182, 0x00b6, 0x0036, 0x03c2, 0x0482, 0x01c2, 0x0682, 0x0882,
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    0x0a82, 0x0082, 0x0282, 0x1282, 0x3282, 0x2282
181
};
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static const uint8_t vlc_tab_fft_tone_offset_4_huffbits[38] = {
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    15, 6, 0, 9, 3, 3, 3, 4, 4, 3, 4, 4, 5, 4, 5, 6,
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    6, 6, 6, 8, 7, 6, 8, 9, 9, 8, 9, 10, 11, 10, 11, 12,
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    12, 12, 14, 15, 14, 14
187
};
188

    
189
/** FFT TABLES **/
190

    
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/* values in this table range from -1..27; adjust retrieved value by -1 */
192
static const uint16_t fft_level_exp_alt_huffcodes[28] = {
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    0x1ec6, 0x0006, 0x00c2, 0x0142, 0x0242, 0x0246, 0x00c6, 0x0046,
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    0x0042, 0x0146, 0x00a2, 0x0062, 0x0026, 0x0016, 0x000e, 0x0005,
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    0x0004, 0x0003, 0x0000, 0x0001, 0x000a, 0x0012, 0x0002, 0x0022,
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    0x01c6, 0x02c6, 0x06c6, 0x0ec6
197
};
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199
static const uint8_t fft_level_exp_alt_huffbits[28] = {
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    13, 7, 8, 9, 10, 10, 10, 10, 10, 9, 8, 7, 6, 5, 4, 3,
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    3, 2, 3, 3, 4, 5, 7, 8, 9, 11, 12, 13
202
};
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/* values in this table range from -1..19; adjust retrieved value by -1 */
205
static const uint16_t fft_level_exp_huffcodes[20] = {
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    0x0f24, 0x0001, 0x0002, 0x0000, 0x0006, 0x0005, 0x0007, 0x000c,
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    0x000b, 0x0014, 0x0013, 0x0004, 0x0003, 0x0023, 0x0064, 0x00a4,
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    0x0024, 0x0124, 0x0324, 0x0724
209
};
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211
static const uint8_t fft_level_exp_huffbits[20] = {
212
    12, 3, 3, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 8, 9, 10, 11, 12
213
};
214

    
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/* values in this table range from -1..6; adjust retrieved value by -1 */
216
static const uint8_t fft_stereo_exp_huffcodes[7] = {
217
    0x3e, 0x01, 0x00, 0x02, 0x06, 0x0e, 0x1e
218
};
219

    
220
static const uint8_t fft_stereo_exp_huffbits[7] = {
221
    6, 1, 2, 3, 4, 5, 6
222
};
223

    
224
/* values in this table range from -1..8; adjust retrieved value by -1 */
225
static const uint8_t fft_stereo_phase_huffcodes[9] = {
226
    0x35, 0x02, 0x00, 0x01, 0x0d, 0x15, 0x05, 0x09, 0x03
227
};
228

    
229
static const uint8_t fft_stereo_phase_huffbits[9] = {
230
    6, 2, 2, 4, 4, 6, 5, 4, 2
231
};
232

    
233
static const int fft_cutoff_index_table[4][2] = {
234
    { 1, 2 }, {-1, 0 }, {-1,-2 }, { 0, 0 }
235
};
236

    
237
static const int16_t fft_level_index_table[256] = {
238
    0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,
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    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
240
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
241
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
242
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
243
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
244
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
245
    4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
246
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
247
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
248
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
249
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
250
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
251
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
252
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
253
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
254
};
255

    
256
static uint8_t last_coeff[3] = {
257
    4, 7, 10
258
};
259

    
260
static uint8_t coeff_per_sb_for_avg[3][30] = {
261
    { 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 },
262
    { 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 },
263
    { 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 }
264
};
265

    
266
static uint32_t dequant_table[3][10][30] = {
267
    { { 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 },
268
      { 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 },
269
      { 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 },
270
      { 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 },
271
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
272
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
273
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
274
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
275
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
276
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
277
    { { 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 },
278
      { 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 },
279
      { 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 },
280
      { 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 },
281
      { 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 },
282
      { 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 },
283
      { 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 },
284
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
285
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
286
      { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
287
    { { 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 },
288
      { 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 },
289
      { 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 },
290
      { 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 },
291
      { 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 },
292
      { 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 },
293
      { 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 },
294
      { 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 },
295
      { 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 },
296
      { 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 } }
297
};
298

    
299
static uint8_t coeff_per_sb_for_dequant[3][30] = {
300
    { 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 },
301
    { 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 },
302
    { 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 }
303
};
304

    
305
/* first index is subband, 2nd index is 0, 1 or 3 (2 is unused) */
306
static int8_t tone_level_idx_offset_table[30][4] = {
307
    { -50, -50,  0, -50 },
308
    { -50, -50,  0, -50 },
309
    { -50,  -9,  0, -19 },
310
    { -16,  -6,  0, -12 },
311
    { -11,  -4,  0,  -8 },
312
    {  -8,  -3,  0,  -6 },
313
    {  -7,  -3,  0,  -5 },
314
    {  -6,  -2,  0,  -4 },
315
    {  -5,  -2,  0,  -3 },
316
    {  -4,  -1,  0,  -3 },
317
    {  -4,  -1,  0,  -2 },
318
    {  -3,  -1,  0,  -2 },
319
    {  -3,  -1,  0,  -2 },
320
    {  -3,  -1,  0,  -2 },
321
    {  -2,  -1,  0,  -1 },
322
    {  -2,  -1,  0,  -1 },
323
    {  -2,  -1,  0,  -1 },
324
    {  -2,   0,  0,  -1 },
325
    {  -2,   0,  0,  -1 },
326
    {  -1,   0,  0,  -1 },
327
    {  -1,   0,  0,  -1 },
328
    {  -1,   0,  0,  -1 },
329
    {  -1,   0,  0,  -1 },
330
    {  -1,   0,  0,  -1 },
331
    {  -1,   0,  0,  -1 },
332
    {  -1,   0,  0,  -1 },
333
    {  -1,   0,  0,   0 },
334
    {  -1,   0,  0,   0 },
335
    {  -1,   0,  0,   0 },
336
    {  -1,   0,  0,   0 }
337
};
338

    
339
/* all my samples have 1st index 0 or 1 */
340
/* second index is subband, only indexes 0-29 seem to be used */
341
static int8_t coding_method_table[5][30] = {
342
    { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,
343
      10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
344
    },
345
    { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,
346
      10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
347
    },
348
    { 34, 30, 30, 30, 24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10,
349
      10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
350
    },
351
    { 34, 34, 30, 30, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16,
352
      16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10
353
    },
354
    { 34, 34, 30, 30, 30, 30, 30, 30, 24, 24, 24, 24, 24, 24, 24,
355
      24, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
356
    },
357
};
358

    
359
static const int vlc_stage3_values[60] = {
360
        0,     1,     2,     3,     4,     6,     8,    10,    12,    16,    20,    24,
361
       28,    36,    44,    52,    60,    76,    92,   108,   124,   156,   188,   220,
362
      252,   316,   380,   444,   508,   636,   764,   892,  1020,  1276,  1532,  1788,
363
     2044,  2556,  3068,  3580,  4092,  5116,  6140,  7164,  8188, 10236, 12284, 14332,
364
    16380, 20476, 24572, 28668, 32764, 40956, 49148, 57340, 65532, 81916, 98300,114684
365
};
366

    
367
static const float fft_tone_sample_table[4][16][5] = {
368
    { { .0100000000f,-.0037037037f,-.0020000000f,-.0069444444f,-.0018416207f },
369
      { .0416666667f, .0000000000f, .0000000000f,-.0208333333f,-.0123456791f },
370
      { .1250000000f, .0558035709f, .0330687836f,-.0164473690f,-.0097465888f },
371
      { .1562500000f, .0625000000f, .0370370370f,-.0062500000f,-.0037037037f },
372
      { .1996007860f, .0781250000f, .0462962948f, .0022727272f, .0013468013f },
373
      { .2000000000f, .0625000000f, .0370370373f, .0208333333f, .0074074073f },
374
      { .2127659619f, .0555555556f, .0329218097f, .0208333333f, .0123456791f },
375
      { .2173913121f, .0473484844f, .0280583613f, .0347222239f, .0205761325f },
376
      { .2173913121f, .0347222239f, .0205761325f, .0473484844f, .0280583613f },
377
      { .2127659619f, .0208333333f, .0123456791f, .0555555556f, .0329218097f },
378
      { .2000000000f, .0208333333f, .0074074073f, .0625000000f, .0370370370f },
379
      { .1996007860f, .0022727272f, .0013468013f, .0781250000f, .0462962948f },
380
      { .1562500000f,-.0062500000f,-.0037037037f, .0625000000f, .0370370370f },
381
      { .1250000000f,-.0164473690f,-.0097465888f, .0558035709f, .0330687836f },
382
      { .0416666667f,-.0208333333f,-.0123456791f, .0000000000f, .0000000000f },
383
      { .0100000000f,-.0069444444f,-.0018416207f,-.0037037037f,-.0020000000f } },
384

    
385
    { { .0050000000f,-.0200000000f, .0125000000f,-.3030303030f, .0020000000f },
386
      { .1041666642f, .0400000000f,-.0250000000f, .0333333333f,-.0200000000f },
387
      { .1250000000f, .0100000000f, .0142857144f,-.0500000007f,-.0200000000f },
388
      { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },
389
      { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },
390
      { .1250000000f,-.0500000000f,-.0200000000f, .0100000000f, .0142857144f },
391
      { .1041666667f, .0333333333f,-.0200000000f, .0400000000f,-.0250000000f },
392
      { .0050000000f,-.3030303030f, .0020000001f,-.0200000000f, .0125000000f },
393
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
394
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
395
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
396
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
397
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
398
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
399
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
400
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },
401

    
402
    { { .1428571492f, .1250000000f,-.0285714287f,-.0357142873f, .0208333333f },
403
      { .1818181818f, .0588235296f, .0333333333f, .0212765951f, .0100000000f },
404
      { .1818181818f, .0212765951f, .0100000000f, .0588235296f, .0333333333f },
405
      { .1428571492f,-.0357142873f, .0208333333f, .1250000000f,-.0285714287f },
406
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
407
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
408
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
409
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
410
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
411
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
412
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
413
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
414
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
415
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
416
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
417
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },
418

    
419
    { { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
420
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
421
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
422
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
423
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
424
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
425
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
426
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
427
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
428
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
429
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
430
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
431
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
432
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
433
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
434
      { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } }
435
};
436

    
437
static const float fft_tone_level_table[2][64] = { {
438
/* pow ~ (i > 46) ? 0 : (((((i & 1) ? 431 : 304) << (i >> 1))) / 1024.0); */
439
    0.17677669f, 0.42677650f, 0.60355347f, 0.85355347f,
440
    1.20710683f, 1.68359375f, 2.37500000f, 3.36718750f,
441
    4.75000000f, 6.73437500f, 9.50000000f, 13.4687500f,
442
    19.0000000f, 26.9375000f, 38.0000000f, 53.8750000f,
443
    76.0000000f, 107.750000f, 152.000000f, 215.500000f,
444
    304.000000f, 431.000000f, 608.000000f, 862.000000f,
445
    1216.00000f, 1724.00000f, 2432.00000f, 3448.00000f,
446
    4864.00000f, 6896.00000f, 9728.00000f, 13792.0000f,
447
    19456.0000f, 27584.0000f, 38912.0000f, 55168.0000f,
448
    77824.0000f, 110336.000f, 155648.000f, 220672.000f,
449
    311296.000f, 441344.000f, 622592.000f, 882688.000f,
450
    1245184.00f, 1765376.00f, 2490368.00f, 0.00000000f,
451
    0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
452
    0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
453
    0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
454
    0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
455
  }, {
456
/* pow = (i > 45) ? 0 : ((((i & 1) ? 431 : 304) << (i >> 1)) / 512.0); */
457
    0.59375000f, 0.84179688f, 1.18750000f, 1.68359375f,
458
    2.37500000f, 3.36718750f, 4.75000000f, 6.73437500f,
459
    9.50000000f, 13.4687500f, 19.0000000f, 26.9375000f,
460
    38.0000000f, 53.8750000f, 76.0000000f, 107.750000f,
461
    152.000000f, 215.500000f, 304.000000f, 431.000000f,
462
    608.000000f, 862.000000f, 1216.00000f, 1724.00000f,
463
    2432.00000f, 3448.00000f, 4864.00000f, 6896.00000f,
464
    9728.00000f, 13792.0000f, 19456.0000f, 27584.0000f,
465
    38912.0000f, 55168.0000f, 77824.0000f, 110336.000f,
466
    155648.000f, 220672.000f, 311296.000f, 441344.000f,
467
    622592.000f, 882688.000f, 1245184.00f, 1765376.00f,
468
    2490368.00f, 3530752.00f, 0.00000000f, 0.00000000f,
469
    0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
470
    0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
471
    0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
472
    0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f
473
} };
474

    
475
static const float fft_tone_envelope_table[4][31] = {
476
    { .009607375f, .038060248f, .084265202f, .146446645f, .222214907f, .308658302f,
477
      .402454883f, .500000060f, .597545207f, .691341758f, .777785182f, .853553414f,
478
      .915734828f, .961939812f, .990392685f, 1.00000000f, .990392625f, .961939752f,
479
      .915734768f, .853553295f, .777785063f, .691341639f, .597545087f, .500000000f,
480
      .402454853f, .308658272f, .222214878f, .146446615f, .084265172f, .038060218f,
481
      .009607345f },
482
    { .038060248f, .146446645f, .308658302f, .500000060f, .691341758f, .853553414f,
483
      .961939812f, 1.00000000f, .961939752f, .853553295f, .691341639f, .500000000f,
484
      .308658272f, .146446615f, .038060218f, .000000000f, .000000000f, .000000000f,
485
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
486
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
487
      .000000000f },
488
    { .146446645f, .500000060f, .853553414f, 1.00000000f, .853553295f, .500000000f,
489
      .146446615f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
490
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
491
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
492
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
493
      .000000000f },
494
    { .500000060f, 1.00000000f, .500000000f, .000000000f, .000000000f, .000000000f,
495
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
496
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
497
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
498
      .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
499
      .000000000f }
500
};
501

    
502
static const float sb_noise_attenuation[32] = {
503
    0.0f, 0.0f, 0.3f, 0.4f, 0.5f, 0.7f, 1.0f, 1.0f,
504
    1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
505
    1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
506
    1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
507
};
508

    
509
static const uint8_t fft_subpackets[32] = {
510
    0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0,
511
    0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0
512
};
513

    
514
/* first index is joined_stereo, second index is 0 or 2 (1 is unused) */
515
static float dequant_1bit[2][3] = {
516
    {-0.920000f, 0.000000f, 0.920000f },
517
    {-0.890000f, 0.000000f, 0.890000f }
518
};
519

    
520
static const float type30_dequant[8] = {
521
   -1.0f,-0.625f,-0.291666656732559f,0.0f,
522
   0.25f,0.5f,0.75f,1.0f,
523
};
524

    
525
static const float type34_delta[10] = { // FIXME: covers 8 entries..
526
    -1.0f,-0.60947573184967f,-0.333333343267441f,-0.138071194291115f,0.0f,
527
    0.138071194291115f,0.333333343267441f,0.60947573184967f,1.0f,0.0f,
528
};
529

    
530
#endif /* QDM2DATA_H */