6316627fd92299094e26db2bf616a45569cfc8cd
[libav.git] / 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 #include <stdint.h>
24
25 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};
26 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};
27 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};
28 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};
29 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};
30
31 static const float mpc_CC[18] = {
32 65536.0000, 21845.3333, 13107.2000, 9362.2857, 7281.7778, 4369.0667, 2114.0645,
33 1040.2539, 516.0315, 257.0039, 128.2505, 64.0626, 32.0156, 16.0039, 8.0010,
34 4.0002, 2.0001, 1.0000
35 };
36
37 #define MPC7_SCFI_SIZE 4
38 #define MPC7_SCFI_BITS 3
39 static const uint8_t mpc7_scfi[MPC7_SCFI_SIZE * 2] = {
40 0x2, 3, 0x1, 1, 0x3, 3, 0x0, 2
41 };
42
43 #define MPC7_DSCF_SIZE 16
44 #define MPC7_DSCF_BITS 6
45 static const uint8_t mpc7_dscf[MPC7_DSCF_SIZE * 2] = {
46 0x20, 6, 0x04, 5, 0x11, 5, 0x1E, 5, 0x0D, 4, 0x00, 3, 0x03, 3, 0x09, 4,
47 0x05, 3, 0x02, 3, 0x0E, 4, 0x03, 4, 0x1F, 5, 0x05, 5, 0x21, 6, 0x0C, 4
48 };
49
50 #define MPC7_HDR_SIZE 10
51 #define MPC7_HDR_BITS 9
52 static const uint8_t mpc7_hdr[MPC7_HDR_SIZE * 2] = {
53 0x5C, 8, 0x2F, 7, 0x0A, 5, 0x04, 4, 0x00, 2,
54 0x01, 1, 0x03, 3, 0x16, 6, 0xBB, 9, 0xBA, 9
55 };
56
57 #define MPC7_QUANT_VLC_TABLES 7
58 static const uint8_t mpc7_quant_vlc_sizes[MPC7_QUANT_VLC_TABLES * 2] = {
59 27, 25, 7, 9, 15, 31, 63
60 };
61
62 static const uint8_t mpc7_quant_vlc_off[MPC7_QUANT_VLC_TABLES] = {
63 0, 0, 3, 4, 7, 15, 31
64 };
65
66 static const uint16_t mpc7_quant_vlc[MPC7_QUANT_VLC_TABLES][2][64 * 2] = {
67 {
68 {
69 0x0036, 6, 0x0009, 5, 0x0020, 6, 0x0005, 5, 0x000A, 4, 0x0007, 5,
70 0x0034, 6, 0x0000, 5, 0x0023, 6, 0x000A, 5, 0x0006, 4, 0x0004, 5,
71 0x000B, 4, 0x0007, 3, 0x000C, 4, 0x0003, 5, 0x0007, 4, 0x000B, 5,
72 0x0022, 6, 0x0001, 5, 0x0035, 6, 0x0006, 5, 0x0009, 4, 0x0002, 5,
73 0x0021, 6, 0x0008, 5, 0x0037, 6
74 },
75 {
76 0x0067, 8, 0x003E, 7, 0x00E1, 9, 0x0037, 7, 0x0003, 4, 0x0034, 7,
77 0x0065, 8, 0x003C, 7, 0x00E3, 9, 0x0018, 6, 0x0000, 4, 0x003D, 7,
78 0x0004, 4, 0x0001, 1, 0x0005, 4, 0x003F, 7, 0x0001, 4, 0x003B, 7,
79 0x00E2, 9, 0x0039, 7, 0x0064, 8, 0x0035, 7, 0x0002, 4, 0x0036, 7,
80 0x00E0, 9, 0x003A, 7, 0x0066, 8
81 }
82 },
83 {
84 {
85 0x0059, 7, 0x002F, 6, 0x000F, 5, 0x0000, 5, 0x005B, 7, 0x0004, 5,
86 0x0006, 4, 0x000D, 4, 0x0004, 4, 0x0005, 5, 0x0014, 5, 0x000C, 4,
87 0x0004, 3, 0x000F, 4, 0x000E, 5, 0x0003, 5, 0x0003, 4, 0x000E, 4,
88 0x0005, 4, 0x0001, 5, 0x005A, 7, 0x0002, 5, 0x0015, 5, 0x002E, 6,
89 0x0058, 7
90 },
91 {
92 0x0399, 10, 0x0071, 7, 0x0033, 6, 0x00E7, 8, 0x039A, 10, 0x0068, 7,
93 0x001E, 5, 0x0000, 3, 0x001D, 5, 0x0069, 7, 0x0032, 6, 0x0001, 3,
94 0x0002, 2, 0x0003, 3, 0x0031, 6, 0x006B, 7, 0x001B, 5, 0x0002, 3,
95 0x001F, 5, 0x0070, 7, 0x0398, 10, 0x006A, 7, 0x0030, 6, 0x0072, 7,
96 0x039B, 10
97 }
98 },
99 {
100 {
101 0x000C, 4, 0x0004, 3, 0x0000, 2, 0x0001, 2, 0x0007, 3, 0x0005, 3, 0x000D, 4
102 },
103 {
104 0x0004, 5, 0x0003, 4, 0x0002, 2, 0x0003, 2, 0x0001, 2, 0x0000, 3, 0x0005, 5
105 }
106 },
107 {
108 {
109 0x0005, 4, 0x0000, 3, 0x0004, 3, 0x0006, 3, 0x0007, 3, 0x0005, 3, 0x0003, 3, 0x0001, 3, 0x0004, 4
110 },
111 {
112 0x0009, 5, 0x000C, 4, 0x0003, 3, 0x0000, 2, 0x0002, 2, 0x0007, 3, 0x000D, 4, 0x0005, 4, 0x0008, 5
113 }
114 },
115 {
116 {
117 0x0039, 6, 0x0017, 5, 0x0008, 4, 0x000A, 4, 0x000D, 4, 0x0000, 3,
118 0x0002, 3, 0x0003, 3, 0x0001, 3, 0x000F, 4, 0x000C, 4, 0x0009, 4,
119 0x001D, 5, 0x0016, 5, 0x0038, 6,
120 },
121 {
122 0x00E5, 8, 0x0038, 6, 0x0007, 5, 0x0002, 4, 0x0000, 3, 0x0003, 3,
123 0x0005, 3, 0x0006, 3, 0x0004, 3, 0x0002, 3, 0x000F, 4, 0x001D, 5,
124 0x0006, 5, 0x0073, 7, 0x00E4, 8,
125 },
126 },
127 {
128 {
129 0x0041, 7, 0x0006, 6, 0x002C, 6, 0x002D, 6, 0x003B, 6, 0x000D, 5,
130 0x0011, 5, 0x0013, 5, 0x0017, 5, 0x0015, 5, 0x001A, 5, 0x001E, 5,
131 0x0000, 4, 0x0002, 4, 0x0005, 4, 0x0007, 4, 0x0003, 4, 0x0004, 4,
132 0x001F, 5, 0x001C, 5, 0x0019, 5, 0x001B, 5, 0x0018, 5, 0x0014, 5,
133 0x0012, 5, 0x000C, 5, 0x0002, 5, 0x003A, 6, 0x0021, 6, 0x0007, 6,
134 0x0040, 7
135 },
136 {
137 0x1948, 13, 0x194A, 13, 0x0328, 10, 0x0195, 9, 0x00CB, 8, 0x0066, 7,
138 0x0031, 6, 0x0009, 5, 0x000F, 5, 0x001F, 5, 0x0002, 4, 0x0006, 4,
139 0x0008, 4, 0x000B, 4, 0x000D, 4, 0x0000, 3, 0x000E, 4, 0x000A, 4,
140 0x0009, 4, 0x0005, 4, 0x0003, 4, 0x001E, 5, 0x000E, 5, 0x0008, 5,
141 0x0030, 6, 0x0067, 7, 0x00C9, 8, 0x00C8, 8, 0x0653, 11, 0x1949, 13,
142 0x194B, 13
143 }
144 },
145 {
146 {
147 0x0067, 8, 0x0099, 8, 0x00B5, 8, 0x00E9, 8, 0x0040, 7, 0x0041, 7,
148 0x004D, 7, 0x0051, 7, 0x005B, 7, 0x0071, 7, 0x0070, 7, 0x0018, 6,
149 0x001D, 6, 0x0023, 6, 0x0025, 6, 0x0029, 6, 0x002C, 6, 0x002E, 6,
150 0x0033, 6, 0x0031, 6, 0x0036, 6, 0x0037, 6, 0x0039, 6, 0x003C, 6,
151 0x0000, 5, 0x0002, 5, 0x000A, 5, 0x0005, 5, 0x0009, 5, 0x0006, 5,
152 0x000D, 5, 0x0007, 5, 0x000B, 5, 0x000F, 5, 0x0008, 5, 0x0004, 5,
153 0x0003, 5, 0x0001, 5, 0x003F, 6, 0x003E, 6, 0x003D, 6, 0x0035, 6,
154 0x003B, 6, 0x0034, 6, 0x0030, 6, 0x002F, 6, 0x002B, 6, 0x002A, 6,
155 0x0027, 6, 0x0024, 6, 0x0021, 6, 0x001C, 6, 0x0075, 7, 0x0065, 7,
156 0x0064, 7, 0x0050, 7, 0x0045, 7, 0x0044, 7, 0x0032, 7, 0x00E8, 8,
157 0x00B4, 8, 0x0098, 8, 0x0066, 8
158 },
159 {
160 0x37A4, 14, 0x37AD, 14, 0x37A6, 14, 0x37AE, 14, 0x0DEA, 12, 0x02F0, 10,
161 0x02F1, 10, 0x00A0, 9, 0x00A2, 9, 0x01BC, 9, 0x007A, 8, 0x00DF, 8,
162 0x003C, 7, 0x0049, 7, 0x006E, 7, 0x000E, 6, 0x0018, 6, 0x0019, 6,
163 0x0022, 6, 0x0025, 6, 0x0036, 6, 0x0003, 5, 0x0009, 5, 0x000B, 5,
164 0x0010, 5, 0x0013, 5, 0x0015, 5, 0x0018, 5, 0x001A, 5, 0x001D, 5,
165 0x001F, 5, 0x0002, 4, 0x0000, 4, 0x001E, 5, 0x001C, 5, 0x0019, 5,
166 0x0016, 5, 0x0014, 5, 0x000E, 5, 0x000D, 5, 0x0008, 5, 0x0006, 5,
167 0x0002, 5, 0x002E, 6, 0x0023, 6, 0x001F, 6, 0x0015, 6, 0x000F, 6,
168 0x005F, 7, 0x0048, 7, 0x0029, 7, 0x00BD, 8, 0x007B, 8, 0x0179, 9,
169 0x00A1, 9, 0x037B, 10, 0x0147, 10, 0x0146, 10, 0x0DE8, 12, 0x37AF, 14,
170 0x37A7, 14, 0x37AC, 14, 0x37A5, 14
171 }
172 }
173 };
174
175 static const float mpc7_SCF[128] = {
176 307.330047607421875000, 255.999984741210937500, 213.243041992187500000, 177.627334594726562500,
177 147.960128784179687500, 123.247924804687500000, 102.663139343261718750, 85.516410827636718750,
178 71.233520507812500000, 59.336143493652343750, 49.425861358642578125, 41.170787811279296875,
179 34.294471740722656250, 28.566631317138671875, 23.795452117919921875, 19.821151733398437500,
180 16.510635375976562500, 13.753040313720703125, 11.456016540527343750, 9.542640686035156250,
181 7.948835372924804688, 6.621226310729980469, 5.515353679656982422, 4.594182968139648438,
182 3.826865673065185547, 3.187705039978027344, 2.655296564102172852, 2.211810588836669922,
183 1.842395424842834473, 1.534679770469665527, 1.278358578681945801, 1.064847946166992188,
184 0.886997759342193604, 0.738851964473724365, 0.615449428558349609, 0.512657463550567627,
185 0.427033752202987671, 0.355710864067077637, 0.296300262212753296, 0.246812388300895691,
186 0.205589950084686279, 0.171252459287643433, 0.142649993300437927, 0.118824683129787445,
187 0.098978661000728607, 0.082447312772274017, 0.068677015602588654, 0.057206626981496811,
188 0.047652013599872589, 0.039693206548690796, 0.033063672482967377, 0.027541399002075195,
189 0.022941453382372856, 0.019109787419438362, 0.015918083488941193, 0.013259455561637878,
190 0.011044870130717754, 0.009200163185596466, 0.007663558237254620, 0.006383595988154411,
191 0.005317411851137877, 0.004429301247000694, 0.003689522389322519, 0.003073300700634718,
192 0.002560000168159604, 0.002132430672645569, 0.001776273478753865, 0.001479601487517357,
193 0.001232479466125369, 0.001026631565764546, 0.000855164253152907, 0.000712335284333676,
194 0.000593361502978951, 0.000494258652906865, 0.000411707907915115, 0.000342944724252447,
195 0.000285666319541633, 0.000237954518524930, 0.000198211506358348, 0.000165106350323185,
196 0.000137530398205854, 0.000114560163638089, 0.000095426403277088, 0.000079488345363643,
197 0.000066212254751008, 0.000055153526773211, 0.000045941822463647, 0.000038268648495432,
198 0.000031877043511486, 0.000026552961571724, 0.000022118103515822, 0.000018423952496960,
199 0.000015346795407822, 0.000012783583770215, 0.000010648477655195, 0.000008869976227288,
200 0.000007388518497464, 0.000006154492893984, 0.000005126573796588, 0.000004270336830814,
201 0.000003557107902452, 0.000002963002089018, 0.000002468123511790, 0.000002055899130937,
202 0.000001712524181130, 0.000001426499579793, 0.000001188246528727, 0.000000989786371974,
203 0.000000824472920158, 0.000000686770022185, 0.000000572066142013, 0.000000476520028769,
204 0.000000396931966407, 0.000000330636652279, 0.000000275413924555, 0.000000229414467867,
205 0.000000191097811353, 0.000000159180785886, 0.000000132594522029, 0.000000110448674207,
206 0.000000092001613439, 0.000000076635565449, 0.000000063835940978, 0.000000053174105119,
207 0.000000044293003043, 0.000000036895215771, 0.000000030733001921, 0.000000025599996789
208 };