libavcodec/mpcdata.h

   1 /*
   2  * Musepack decoder
   3  * Copyright (c) 2006 Konstantin Shishkov
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  *
  21  */
  22
  23 static const int8_t mpc_idx30[] = { -1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1,-1, 0, 1};
  24 static const int8_t mpc_idx31[] = { -1,-1,-1, 0, 0, 0, 1, 1, 1,-1,-1,-1, 0, 0, 0, 1, 1, 1,-1,-1,-1, 0, 0, 0, 1, 1, 1};
  25 static const int8_t mpc_idx32[] = { -1,-1,-1,-1,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1};
  26 static const int8_t mpc_idx50[] = { -2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2,-2,-1, 0, 1, 2};
  27 static const int8_t mpc_idx51[] = { -2,-2,-2,-2,-2,-1,-1,-1,-1,-1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2};
  28
  29 static const float mpc_CC[18] = {
  30     65536.0000, 21845.3333, 13107.2000, 9362.2857, 7281.7778, 4369.0667, 2114.0645,
  31     1040.2539, 516.0315, 257.0039, 128.2505, 64.0626, 32.0156, 16.0039, 8.0010,
  32     4.0002, 2.0001, 1.0000
  33 };
  34
  35 #define MPC7_SCFI_SIZE  4
  36 #define MPC7_SCFI_BITS  3
  37 static const uint8_t mpc7_scfi[MPC7_SCFI_SIZE * 2] = {
  38     0x2, 3, 0x1, 1, 0x3, 3, 0x0, 2
  39 };
  40
  41 #define MPC7_DSCF_SIZE 16
  42 #define MPC7_DSCF_BITS  6
  43 static const uint8_t mpc7_dscf[MPC7_DSCF_SIZE * 2] = {
  44     0x20, 6, 0x04, 5, 0x11, 5, 0x1E, 5, 0x0D, 4, 0x00, 3, 0x03, 3, 0x09, 4,
  45     0x05, 3, 0x02, 3, 0x0E, 4, 0x03, 4, 0x1F, 5, 0x05, 5, 0x21, 6, 0x0C, 4
  46 };
  47
  48 #define MPC7_HDR_SIZE  10
  49 #define MPC7_HDR_BITS   9
  50 static const uint8_t mpc7_hdr[MPC7_HDR_SIZE * 2] = {
  51     0x5C, 8, 0x2F, 7, 0x0A, 5, 0x04, 4, 0x00, 2,
  52     0x01, 1, 0x03, 3, 0x16, 6, 0xBB, 9, 0xBA, 9
  53 };
  54
  55 #define MPC7_QUANT_VLC_TABLES 7
  56 static const uint8_t mpc7_quant_vlc_sizes[MPC7_QUANT_VLC_TABLES * 2] = {
  57     27, 25, 7, 9, 15, 31, 63
  58 };
  59
  60 static const uint8_t mpc7_quant_vlc_off[MPC7_QUANT_VLC_TABLES] = {
  61     0, 0, 3, 4, 7, 15, 31
  62 };
  63
  64 static const uint16_t mpc7_quant_vlc[MPC7_QUANT_VLC_TABLES][2][64 * 2] = {
  65 {
  66     {
  67         0x0036,  6, 0x0009,  5, 0x0020,  6, 0x0005,  5, 0x000A,  4, 0x0007,  5,
  68         0x0034,  6, 0x0000,  5, 0x0023,  6, 0x000A,  5, 0x0006,  4, 0x0004,  5,
  69         0x000B,  4, 0x0007,  3, 0x000C,  4, 0x0003,  5, 0x0007,  4, 0x000B,  5,
  70         0x0022,  6, 0x0001,  5, 0x0035,  6, 0x0006,  5, 0x0009,  4, 0x0002,  5,
  71         0x0021,  6, 0x0008,  5, 0x0037,  6
  72     },
  73     {
  74         0x0067,  8, 0x003E,  7, 0x00E1,  9, 0x0037,  7, 0x0003,  4, 0x0034,  7,
  75         0x0065,  8, 0x003C,  7, 0x00E3,  9, 0x0018,  6, 0x0000,  4, 0x003D,  7,
  76         0x0004,  4, 0x0001,  1, 0x0005,  4, 0x003F,  7, 0x0001,  4, 0x003B,  7,
  77         0x00E2,  9, 0x0039,  7, 0x0064,  8, 0x0035,  7, 0x0002,  4, 0x0036,  7,
  78         0x00E0,  9, 0x003A,  7, 0x0066,  8
  79     }
  80 },
  81 {
  82     {
  83         0x0059,  7, 0x002F,  6, 0x000F,  5, 0x0000,  5, 0x005B,  7, 0x0004,  5,
  84         0x0006,  4, 0x000D,  4, 0x0004,  4, 0x0005,  5, 0x0014,  5, 0x000C,  4,
  85         0x0004,  3, 0x000F,  4, 0x000E,  5, 0x0003,  5, 0x0003,  4, 0x000E,  4,
  86         0x0005,  4, 0x0001,  5, 0x005A,  7, 0x0002,  5, 0x0015,  5, 0x002E,  6,
  87         0x0058,  7
  88     },
  89     {
  90         0x0399, 10, 0x0071,  7, 0x0033,  6, 0x00E7,  8, 0x039A, 10, 0x0068,  7,
  91         0x001E,  5, 0x0000,  3, 0x001D,  5, 0x0069,  7, 0x0032,  6, 0x0001,  3,
  92         0x0002,  2, 0x0003,  3, 0x0031,  6, 0x006B,  7, 0x001B,  5, 0x0002,  3,
  93         0x001F,  5, 0x0070,  7, 0x0398, 10, 0x006A,  7, 0x0030,  6, 0x0072,  7,
  94         0x039B, 10
  95     }
  96 },
  97 {
  98     {
  99         0x000C,  4, 0x0004,  3, 0x0000,  2, 0x0001,  2, 0x0007,  3, 0x0005,  3, 0x000D,  4
 100     },
 101     {
 102         0x0004,  5, 0x0003,  4, 0x0002,  2, 0x0003,  2, 0x0001,  2, 0x0000,  3, 0x0005,  5
 103     }
 104 },
 105 {
 106     {
 107         0x0005,  4, 0x0000,  3, 0x0004,  3, 0x0006,  3, 0x0007,  3, 0x0005,  3, 0x0003,  3, 0x0001,  3, 0x0004,  4
 108     },
 109     {
 110         0x0009,  5, 0x000C,  4, 0x0003,  3, 0x0000,  2, 0x0002,  2, 0x0007,  3, 0x000D,  4, 0x0005,  4, 0x0008,  5
 111     }
 112 },
 113 {
 114     {
 115         0x0039,  6, 0x0017,  5, 0x0008,  4, 0x000A,  4, 0x000D,  4, 0x0000,  3,
 116         0x0002,  3, 0x0003,  3, 0x0001,  3, 0x000F,  4, 0x000C,  4, 0x0009,  4,
 117         0x001D,  5, 0x0016,  5, 0x0038,  6,
 118     },
 119     {
 120         0x00E5,  8, 0x0038,  6, 0x0007,  5, 0x0002,  4, 0x0000,  3, 0x0003,  3,
 121         0x0005,  3, 0x0006,  3, 0x0004,  3, 0x0002,  3, 0x000F,  4, 0x001D,  5,
 122         0x0006,  5, 0x0073,  7, 0x00E4,  8,
 123     },
 124 },
 125 {
 126     {
 127         0x0041,  7, 0x0006,  6, 0x002C,  6, 0x002D,  6, 0x003B,  6, 0x000D,  5,
 128         0x0011,  5, 0x0013,  5, 0x0017,  5, 0x0015,  5, 0x001A,  5, 0x001E,  5,
 129         0x0000,  4, 0x0002,  4, 0x0005,  4, 0x0007,  4, 0x0003,  4, 0x0004,  4,
 130         0x001F,  5, 0x001C,  5, 0x0019,  5, 0x001B,  5, 0x0018,  5, 0x0014,  5,
 131         0x0012,  5, 0x000C,  5, 0x0002,  5, 0x003A,  6, 0x0021,  6, 0x0007,  6,
 132         0x0040,  7
 133     },
 134     {
 135         0x1948, 13, 0x194A, 13, 0x0328, 10, 0x0195,  9, 0x00CB,  8, 0x0066,  7,
 136         0x0031,  6, 0x0009,  5, 0x000F,  5, 0x001F,  5, 0x0002,  4, 0x0006,  4,
 137         0x0008,  4, 0x000B,  4, 0x000D,  4, 0x0000,  3, 0x000E,  4, 0x000A,  4,
 138         0x0009,  4, 0x0005,  4, 0x0003,  4, 0x001E,  5, 0x000E,  5, 0x0008,  5,
 139         0x0030,  6, 0x0067,  7, 0x00C9,  8, 0x00C8,  8, 0x0653, 11, 0x1949, 13,
 140         0x194B, 13
 141     }
 142 },
 143 {
 144     {
 145         0x0067,  8, 0x0099,  8, 0x00B5,  8, 0x00E9,  8, 0x0040,  7, 0x0041,  7,
 146         0x004D,  7, 0x0051,  7, 0x005B,  7, 0x0071,  7, 0x0070,  7, 0x0018,  6,
 147         0x001D,  6, 0x0023,  6, 0x0025,  6, 0x0029,  6, 0x002C,  6, 0x002E,  6,
 148         0x0033,  6, 0x0031,  6, 0x0036,  6, 0x0037,  6, 0x0039,  6, 0x003C,  6,
 149         0x0000,  5, 0x0002,  5, 0x000A,  5, 0x0005,  5, 0x0009,  5, 0x0006,  5,
 150         0x000D,  5, 0x0007,  5, 0x000B,  5, 0x000F,  5, 0x0008,  5, 0x0004,  5,
 151         0x0003,  5, 0x0001,  5, 0x003F,  6, 0x003E,  6, 0x003D,  6, 0x0035,  6,
 152         0x003B,  6, 0x0034,  6, 0x0030,  6, 0x002F,  6, 0x002B,  6, 0x002A,  6,
 153         0x0027,  6, 0x0024,  6, 0x0021,  6, 0x001C,  6, 0x0075,  7, 0x0065,  7,
 154         0x0064,  7, 0x0050,  7, 0x0045,  7, 0x0044,  7, 0x0032,  7, 0x00E8,  8,
 155         0x00B4,  8, 0x0098,  8, 0x0066,  8
 156     },
 157     {
 158         0x37A4, 14, 0x37AD, 14, 0x37A6, 14, 0x37AE, 14, 0x0DEA, 12, 0x02F0, 10,
 159         0x02F1, 10, 0x00A0,  9, 0x00A2,  9, 0x01BC,  9, 0x007A,  8, 0x00DF,  8,
 160         0x003C,  7, 0x0049,  7, 0x006E,  7, 0x000E,  6, 0x0018,  6, 0x0019,  6,
 161         0x0022,  6, 0x0025,  6, 0x0036,  6, 0x0003,  5, 0x0009,  5, 0x000B,  5,
 162         0x0010,  5, 0x0013,  5, 0x0015,  5, 0x0018,  5, 0x001A,  5, 0x001D,  5,
 163         0x001F,  5, 0x0002,  4, 0x0000,  4, 0x001E,  5, 0x001C,  5, 0x0019,  5,
 164         0x0016,  5, 0x0014,  5, 0x000E,  5, 0x000D,  5, 0x0008,  5, 0x0006,  5,
 165         0x0002,  5, 0x002E,  6, 0x0023,  6, 0x001F,  6, 0x0015,  6, 0x000F,  6,
 166         0x005F,  7, 0x0048,  7, 0x0029,  7, 0x00BD,  8, 0x007B,  8, 0x0179,  9,
 167         0x00A1,  9, 0x037B, 10, 0x0147, 10, 0x0146, 10, 0x0DE8, 12, 0x37AF, 14,
 168         0x37A7, 14, 0x37AC, 14, 0x37A5, 14
 169     }
 170 }
 171 };
 172
 173 static const float mpc7_SCF[128] = {
 174     307.330047607421875000, 255.999984741210937500, 213.243041992187500000, 177.627334594726562500,
 175     147.960128784179687500, 123.247924804687500000, 102.663139343261718750, 85.516410827636718750,
 176     71.233520507812500000, 59.336143493652343750, 49.425861358642578125, 41.170787811279296875,
 177     34.294471740722656250, 28.566631317138671875, 23.795452117919921875, 19.821151733398437500,
 178     16.510635375976562500, 13.753040313720703125, 11.456016540527343750, 9.542640686035156250,
 179     7.948835372924804688, 6.621226310729980469, 5.515353679656982422, 4.594182968139648438,
 180     3.826865673065185547, 3.187705039978027344, 2.655296564102172852, 2.211810588836669922,
 181     1.842395424842834473, 1.534679770469665527, 1.278358578681945801, 1.064847946166992188,
 182     0.886997759342193604, 0.738851964473724365, 0.615449428558349609, 0.512657463550567627,
 183     0.427033752202987671, 0.355710864067077637, 0.296300262212753296, 0.246812388300895691,
 184     0.205589950084686279, 0.171252459287643433, 0.142649993300437927, 0.118824683129787445,
 185     0.098978661000728607, 0.082447312772274017, 0.068677015602588654, 0.057206626981496811,
 186     0.047652013599872589, 0.039693206548690796, 0.033063672482967377, 0.027541399002075195,
 187     0.022941453382372856, 0.019109787419438362, 0.015918083488941193, 0.013259455561637878,
 188     0.011044870130717754, 0.009200163185596466, 0.007663558237254620, 0.006383595988154411,
 189     0.005317411851137877, 0.004429301247000694, 0.003689522389322519, 0.003073300700634718,
 190     0.002560000168159604, 0.002132430672645569, 0.001776273478753865, 0.001479601487517357,
 191     0.001232479466125369, 0.001026631565764546, 0.000855164253152907, 0.000712335284333676,
 192     0.000593361502978951, 0.000494258652906865, 0.000411707907915115, 0.000342944724252447,
 193     0.000285666319541633, 0.000237954518524930, 0.000198211506358348, 0.000165106350323185,
 194     0.000137530398205854, 0.000114560163638089, 0.000095426403277088, 0.000079488345363643,
 195     0.000066212254751008, 0.000055153526773211, 0.000045941822463647, 0.000038268648495432,
 196     0.000031877043511486, 0.000026552961571724, 0.000022118103515822, 0.000018423952496960,
 197     0.000015346795407822, 0.000012783583770215, 0.000010648477655195, 0.000008869976227288,
 198     0.000007388518497464, 0.000006154492893984, 0.000005126573796588, 0.000004270336830814,
 199     0.000003557107902452, 0.000002963002089018, 0.000002468123511790, 0.000002055899130937,
 200     0.000001712524181130, 0.000001426499579793, 0.000001188246528727, 0.000000989786371974,
 201     0.000000824472920158, 0.000000686770022185, 0.000000572066142013, 0.000000476520028769,
 202     0.000000396931966407, 0.000000330636652279, 0.000000275413924555, 0.000000229414467867,
 203     0.000000191097811353, 0.000000159180785886, 0.000000132594522029, 0.000000110448674207,
 204     0.000000092001613439, 0.000000076635565449, 0.000000063835940978, 0.000000053174105119,
 205     0.000000044293003043, 0.000000036895215771, 0.000000030733001921, 0.000000025599996789
 206 };