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   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19
  20 #ifndef AVCODEC_HCA_DATA_H
  21 #define AVCODEC_HCA_DATA_H
  22
  23 #include <stdint.h>
  24
  25 static const uint8_t max_bits_table[] = {
  26     0, 2, 3, 3, 4, 4, 4, 4, 5, 6, 7, 8, 9, 10, 11, 12,
  27 };
  28
  29 static const uint8_t quant_spectrum_bits[] =
  30 {
  31     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  32     1,1,2,2,0,0,0,0,0,0,0,0,0,0,0,0,
  33     2,2,2,2,2,2,3,3,0,0,0,0,0,0,0,0,
  34     2,2,3,3,3,3,3,3,0,0,0,0,0,0,0,0,
  35     3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,
  36     3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,
  37     3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,
  38     3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
  39 };
  40
  41 static const int8_t quant_spectrum_value[] =
  42 {
  43     +0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,
  44     +0,+0,+1,-1,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,
  45     +0,+0,+1,+1,-1,-1,+2,-2,+0,+0,+0,+0,+0,+0,+0,+0,
  46     +0,+0,+1,-1,+2,-2,+3,-3,+0,+0,+0,+0,+0,+0,+0,+0,
  47     +0,+0,+1,+1,-1,-1,+2,+2,-2,-2,+3,+3,-3,-3,+4,-4,
  48     +0,+0,+1,+1,-1,-1,+2,+2,-2,-2,+3,-3,+4,-4,+5,-5,
  49     +0,+0,+1,+1,-1,-1,+2,-2,+3,-3,+4,-4,+5,-5,+6,-6,
  50     +0,+0,+1,-1,+2,-2,+3,-3,+4,-4,+5,-5,+6,-6,+7,-7,
  51 };
  52
  53 static const uint8_t scale_table[] =
  54 {
  55     15, 14, 14, 14, 14, 14, 14, 13, 13,
  56     13, 13, 13, 13, 12, 12, 12, 12,
  57     12, 12, 11, 11, 11, 11, 11, 11,
  58     10, 10, 10, 10, 10, 10, 10,  9,
  59     9,  9,  9,  9,  9,  8,  8,  8,
  60     8,  8,  8,  7,  6,  6,  5,  4,
  61     4,  4,  3,  3,  3,  2,  2,  2,
  62     2,  1,
  63 };
  64
  65 static const float window[128] =
  66 {
  67     0.000690534, 0.00197623, 0.00367386, 0.00572424, 0.0080967, 0.0107732, 0.0137425, 0.0169979,
  68     0.0205353, 0.0243529, 0.0284505, 0.0328291, 0.0374906, 0.0424379, 0.0476744, 0.0532043,
  69     0.0590321, 0.0651629, 0.071602, 0.0783552, 0.0854285, 0.092828, 0.10056, 0.108631,
  70     0.117048, 0.125817, 0.134944, 0.144437, 0.1543, 0.164539, 0.175161, 0.186169,
  71     0.197569, 0.209363, 0.221555, 0.234145, 0.247136, 0.260526, 0.274313, 0.288493,
  72     0.303062, 0.318012, 0.333333, 0.349015, 0.365044, 0.381403, 0.398073, 0.415034,
  73     0.43226, 0.449725, 0.4674, 0.485251, 0.503245, 0.521344, 0.539509, 0.557698,
  74     0.575869, 0.593978, 0.611981, 0.629831, 0.647486, 0.6649, 0.682031, 0.698838,
  75     0.71528, 0.731323, 0.746932, 0.762077, 0.776732, 0.790873, 0.804481, 0.817542,
  76     0.830044, 0.84198, 0.853347, 0.864144, 0.874375, 0.884046, 0.893167, 0.901749,
  77     0.909806, 0.917354, 0.924409, 0.93099, 0.937117, 0.942809, 0.948087, 0.952971,
  78     0.957482, 0.961641, 0.965467, 0.968981, 0.972202, 0.975148, 0.977838, 0.980289,
  79     0.982518, 0.98454, 0.986371, 0.988024, 0.989514, 0.990853, 0.992053, 0.993126,
  80     0.994082, 0.994931, 0.995682, 0.996344, 0.996926, 0.997433, 0.997875, 0.998256,
  81     0.998584, 0.998863, 0.999099, 0.999297, 0.999461, 0.999595, 0.999703, 0.999789,
  82     0.999856, 0.999906, 0.999942, 0.999967, 0.999984, 0.999993, 0.999998, 1.0,
  83 };
  84
  85 static const float intensity_ratio_table[] =
  86 {
  87     2.0, 1.85714, 1.71429, 1.57143, 1.42857, 1.28571, 1.14286, 1.0,
  88     0.857143, 0.714286, 0.571429, 0.428571, 0.285714, 0.142857, 0.0, 0.0,
  89 };
  90
  91 static const float scale_conversion_table[] =
  92 {
  93     0, 0, 1.87066e-08, 2.49253e-08, 3.32113e-08, 4.42518e-08, 5.89626e-08, 7.85637e-08, 1.04681e-07,
  94     1.3948e-07, 1.85848e-07, 2.4763e-07, 3.2995e-07, 4.39636e-07, 5.85785e-07, 7.80519e-07, 1.03999e-06,
  95     1.38572e-06, 1.84637e-06, 2.46017e-06, 3.27801e-06, 4.36772e-06, 5.8197e-06, 7.75435e-06, 1.03321e-05,
  96     1.37669e-05, 1.83435e-05, 2.44414e-05, 3.25665e-05, 4.33927e-05, 5.78179e-05, 7.70384e-05, 0.000102648,
  97     0.000136772, 0.00018224, 0.000242822, 0.000323544, 0.000431101, 0.000574413, 0.000765366, 0.0010198,
  98     0.00135881, 0.00181053, 0.0024124, 0.00321437, 0.00428293, 0.00570671, 0.00760381, 0.0101316,
  99     0.0134996, 0.0179873, 0.0239669, 0.0319343, 0.0425503, 0.0566954, 0.0755428, 0.100656,
 100     0.134117, 0.178702, 0.238108, 0.317263, 0.422731, 0.563261, 0.750507,
 101     1.0, 1.33243, 1.77538, 2.36557, 3.15196, 4.19978, 5.59592, 7.45618,
 102     9.93486, 13.2375, 17.6381, 23.5016, 31.3143, 41.7242, 55.5947, 74.0762,
 103     98.7015, 131.513, 175.232, 233.485, 311.103, 414.524, 552.326, 735.937,
 104     980.586, 1306.56, 1740.91, 2319.64, 3090.77, 4118.24, 5487.28, 7311.43,
 105     9741.98, 12980.5, 17295.7, 23045.3, 30706.4, 40914.2, 54515.4, 72638,
 106     96785.3, 128960, 171830, 228952, 305064, 406477, 541603, 721649,
 107     961548, 1.2812e+06, 1.70711e+06, 2.27461e+06, 3.03076e+06, 4.03829e+06, 5.38075e+06, 7.16948e+06,
 108     9.55285e+06, 1.27285e+07, 1.69599e+07, 2.25979e+07, 3.01102e+07, 4.01198e+07, 5.3457e+07, 0,
 109 };
 110
 111 static const int scale_conv_bias = 64;
 112
 113 static const float dequantizer_scaling_table[] =
 114 {
 115     1.58838e-07, 2.11641e-07, 2.81998e-07, 3.75743e-07, 5.00652e-07, 6.67085e-07, 8.88846e-07, 1.18433e-06,
 116     1.57804e-06, 2.10263e-06, 2.80161e-06, 3.73296e-06, 4.97391e-06, 6.6274e-06, 8.83057e-06, 1.17661e-05,
 117     1.56776e-05, 2.08893e-05, 2.78336e-05, 3.70864e-05, 4.94151e-05, 6.58423e-05, 8.77305e-05, 0.000116895,
 118     0.000155755, 0.000207533, 0.000276523, 0.000368448, 0.000490933, 0.000654135, 0.00087159, 0.00116134,
 119     0.0015474, 0.00206181, 0.00274722, 0.00366048, 0.00487735, 0.00649874, 0.00865913, 0.0115377,
 120     0.0153732, 0.0204838, 0.0272932, 0.0363664, 0.0484558, 0.0645641, 0.0860272, 0.114626,
 121     0.152731, 0.203503, 0.271155, 0.361295, 0.481401, 0.641435, 0.854669, 1.13879,
 122     1.51736, 2.02178, 2.69388, 3.58942, 4.78266, 6.37257, 8.49102, 11.3137,
 123 };
 124
 125 static const float quant_step_size[] =
 126 {
 127     0.0, 0.666667, 0.4, 0.285714, 0.222222, 0.181818, 0.153846, 0.133333, 0.0645161,
 128     0.031746, 0.015748, 0.00784314, 0.00391389, 0.00195503, 0.00097704, 0.000488401,
 129 };
 130
 131 static const uint8_t ath_base_curve[656] =
 132 {
 133     0x78,0x5F,0x56,0x51,0x4E,0x4C,0x4B,0x49,0x48,0x48,0x47,0x46,0x46,0x45,0x45,0x45,
 134     0x44,0x44,0x44,0x44,0x43,0x43,0x43,0x43,0x43,0x43,0x42,0x42,0x42,0x42,0x42,0x42,
 135     0x42,0x42,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x40,0x40,0x40,0x40,
 136     0x40,0x40,0x40,0x40,0x40,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
 137     0x3F,0x3F,0x3F,0x3E,0x3E,0x3E,0x3E,0x3E,0x3E,0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,
 138     0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,
 139     0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,
 140     0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,
 141     0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,0x3E,0x3E,0x3E,0x3E,0x3E,0x3E,0x3E,0x3F,
 142     0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
 143     0x3F,0x3F,0x3F,0x3F,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,
 144     0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x41,0x41,0x41,0x41,0x41,0x41,0x41,
 145     0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,
 146     0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,
 147     0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x43,0x43,0x43,
 148     0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x44,0x44,
 149     0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x45,0x45,0x45,0x45,
 150     0x45,0x45,0x45,0x45,0x45,0x45,0x45,0x45,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,
 151     0x46,0x46,0x47,0x47,0x47,0x47,0x47,0x47,0x47,0x47,0x47,0x47,0x48,0x48,0x48,0x48,
 152     0x48,0x48,0x48,0x48,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0x4A,0x4A,0x4A,0x4A,
 153     0x4A,0x4A,0x4A,0x4A,0x4B,0x4B,0x4B,0x4B,0x4B,0x4B,0x4B,0x4C,0x4C,0x4C,0x4C,0x4C,
 154     0x4C,0x4D,0x4D,0x4D,0x4D,0x4D,0x4D,0x4E,0x4E,0x4E,0x4E,0x4E,0x4E,0x4F,0x4F,0x4F,
 155     0x4F,0x4F,0x4F,0x50,0x50,0x50,0x50,0x50,0x51,0x51,0x51,0x51,0x51,0x52,0x52,0x52,
 156     0x52,0x52,0x53,0x53,0x53,0x53,0x54,0x54,0x54,0x54,0x54,0x55,0x55,0x55,0x55,0x56,
 157     0x56,0x56,0x56,0x57,0x57,0x57,0x57,0x57,0x58,0x58,0x58,0x59,0x59,0x59,0x59,0x5A,
 158     0x5A,0x5A,0x5A,0x5B,0x5B,0x5B,0x5B,0x5C,0x5C,0x5C,0x5D,0x5D,0x5D,0x5D,0x5E,0x5E,
 159     0x5E,0x5F,0x5F,0x5F,0x60,0x60,0x60,0x61,0x61,0x61,0x61,0x62,0x62,0x62,0x63,0x63,
 160     0x63,0x64,0x64,0x64,0x65,0x65,0x66,0x66,0x66,0x67,0x67,0x67,0x68,0x68,0x68,0x69,
 161     0x69,0x6A,0x6A,0x6A,0x6B,0x6B,0x6B,0x6C,0x6C,0x6D,0x6D,0x6D,0x6E,0x6E,0x6F,0x6F,
 162     0x70,0x70,0x70,0x71,0x71,0x72,0x72,0x73,0x73,0x73,0x74,0x74,0x75,0x75,0x76,0x76,
 163     0x77,0x77,0x78,0x78,0x78,0x79,0x79,0x7A,0x7A,0x7B,0x7B,0x7C,0x7C,0x7D,0x7D,0x7E,
 164     0x7E,0x7F,0x7F,0x80,0x80,0x81,0x81,0x82,0x83,0x83,0x84,0x84,0x85,0x85,0x86,0x86,
 165     0x87,0x88,0x88,0x89,0x89,0x8A,0x8A,0x8B,0x8C,0x8C,0x8D,0x8D,0x8E,0x8F,0x8F,0x90,
 166     0x90,0x91,0x92,0x92,0x93,0x94,0x94,0x95,0x95,0x96,0x97,0x97,0x98,0x99,0x99,0x9A,
 167     0x9B,0x9B,0x9C,0x9D,0x9D,0x9E,0x9F,0xA0,0xA0,0xA1,0xA2,0xA2,0xA3,0xA4,0xA5,0xA5,
 168     0xA6,0xA7,0xA7,0xA8,0xA9,0xAA,0xAA,0xAB,0xAC,0xAD,0xAE,0xAE,0xAF,0xB0,0xB1,0xB1,
 169     0xB2,0xB3,0xB4,0xB5,0xB6,0xB6,0xB7,0xB8,0xB9,0xBA,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF,
 170     0xC0,0xC1,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xC9,0xCA,0xCB,0xCC,0xCD,
 171     0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,
 172     0xDE,0xDF,0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xED,0xEE,
 173     0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFF,0xFF,
 174 };
 175
 176 #endif /* AVCODEC_HCA_DATA_H */