1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libjpeg/jaricom.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,153 @@
1.4 +/*
1.5 + * jaricom.c
1.6 + *
1.7 + * Developed 1997-2009 by Guido Vollbeding.
1.8 + * This file is part of the Independent JPEG Group's software.
1.9 + * For conditions of distribution and use, see the accompanying README file.
1.10 + *
1.11 + * This file contains probability estimation tables for common use in
1.12 + * arithmetic entropy encoding and decoding routines.
1.13 + *
1.14 + * This data represents Table D.2 in the JPEG spec (ISO/IEC IS 10918-1
1.15 + * and CCITT Recommendation ITU-T T.81) and Table 24 in the JBIG spec
1.16 + * (ISO/IEC IS 11544 and CCITT Recommendation ITU-T T.82).
1.17 + */
1.18 +
1.19 +#define JPEG_INTERNALS
1.20 +#include "jinclude.h"
1.21 +#include "jpeglib.h"
1.22 +
1.23 +/* The following #define specifies the packing of the four components
1.24 + * into the compact INT32 representation.
1.25 + * Note that this formula must match the actual arithmetic encoder
1.26 + * and decoder implementation. The implementation has to be changed
1.27 + * if this formula is changed.
1.28 + * The current organization is leaned on Markus Kuhn's JBIG
1.29 + * implementation (jbig_tab.c).
1.30 + */
1.31 +
1.32 +#define V(i,a,b,c,d) (((INT32)a << 16) | ((INT32)c << 8) | ((INT32)d << 7) | b)
1.33 +
1.34 +const INT32 jpeg_aritab[113+1] = {
1.35 +/*
1.36 + * Index, Qe_Value, Next_Index_LPS, Next_Index_MPS, Switch_MPS
1.37 + */
1.38 + V( 0, 0x5a1d, 1, 1, 1 ),
1.39 + V( 1, 0x2586, 14, 2, 0 ),
1.40 + V( 2, 0x1114, 16, 3, 0 ),
1.41 + V( 3, 0x080b, 18, 4, 0 ),
1.42 + V( 4, 0x03d8, 20, 5, 0 ),
1.43 + V( 5, 0x01da, 23, 6, 0 ),
1.44 + V( 6, 0x00e5, 25, 7, 0 ),
1.45 + V( 7, 0x006f, 28, 8, 0 ),
1.46 + V( 8, 0x0036, 30, 9, 0 ),
1.47 + V( 9, 0x001a, 33, 10, 0 ),
1.48 + V( 10, 0x000d, 35, 11, 0 ),
1.49 + V( 11, 0x0006, 9, 12, 0 ),
1.50 + V( 12, 0x0003, 10, 13, 0 ),
1.51 + V( 13, 0x0001, 12, 13, 0 ),
1.52 + V( 14, 0x5a7f, 15, 15, 1 ),
1.53 + V( 15, 0x3f25, 36, 16, 0 ),
1.54 + V( 16, 0x2cf2, 38, 17, 0 ),
1.55 + V( 17, 0x207c, 39, 18, 0 ),
1.56 + V( 18, 0x17b9, 40, 19, 0 ),
1.57 + V( 19, 0x1182, 42, 20, 0 ),
1.58 + V( 20, 0x0cef, 43, 21, 0 ),
1.59 + V( 21, 0x09a1, 45, 22, 0 ),
1.60 + V( 22, 0x072f, 46, 23, 0 ),
1.61 + V( 23, 0x055c, 48, 24, 0 ),
1.62 + V( 24, 0x0406, 49, 25, 0 ),
1.63 + V( 25, 0x0303, 51, 26, 0 ),
1.64 + V( 26, 0x0240, 52, 27, 0 ),
1.65 + V( 27, 0x01b1, 54, 28, 0 ),
1.66 + V( 28, 0x0144, 56, 29, 0 ),
1.67 + V( 29, 0x00f5, 57, 30, 0 ),
1.68 + V( 30, 0x00b7, 59, 31, 0 ),
1.69 + V( 31, 0x008a, 60, 32, 0 ),
1.70 + V( 32, 0x0068, 62, 33, 0 ),
1.71 + V( 33, 0x004e, 63, 34, 0 ),
1.72 + V( 34, 0x003b, 32, 35, 0 ),
1.73 + V( 35, 0x002c, 33, 9, 0 ),
1.74 + V( 36, 0x5ae1, 37, 37, 1 ),
1.75 + V( 37, 0x484c, 64, 38, 0 ),
1.76 + V( 38, 0x3a0d, 65, 39, 0 ),
1.77 + V( 39, 0x2ef1, 67, 40, 0 ),
1.78 + V( 40, 0x261f, 68, 41, 0 ),
1.79 + V( 41, 0x1f33, 69, 42, 0 ),
1.80 + V( 42, 0x19a8, 70, 43, 0 ),
1.81 + V( 43, 0x1518, 72, 44, 0 ),
1.82 + V( 44, 0x1177, 73, 45, 0 ),
1.83 + V( 45, 0x0e74, 74, 46, 0 ),
1.84 + V( 46, 0x0bfb, 75, 47, 0 ),
1.85 + V( 47, 0x09f8, 77, 48, 0 ),
1.86 + V( 48, 0x0861, 78, 49, 0 ),
1.87 + V( 49, 0x0706, 79, 50, 0 ),
1.88 + V( 50, 0x05cd, 48, 51, 0 ),
1.89 + V( 51, 0x04de, 50, 52, 0 ),
1.90 + V( 52, 0x040f, 50, 53, 0 ),
1.91 + V( 53, 0x0363, 51, 54, 0 ),
1.92 + V( 54, 0x02d4, 52, 55, 0 ),
1.93 + V( 55, 0x025c, 53, 56, 0 ),
1.94 + V( 56, 0x01f8, 54, 57, 0 ),
1.95 + V( 57, 0x01a4, 55, 58, 0 ),
1.96 + V( 58, 0x0160, 56, 59, 0 ),
1.97 + V( 59, 0x0125, 57, 60, 0 ),
1.98 + V( 60, 0x00f6, 58, 61, 0 ),
1.99 + V( 61, 0x00cb, 59, 62, 0 ),
1.100 + V( 62, 0x00ab, 61, 63, 0 ),
1.101 + V( 63, 0x008f, 61, 32, 0 ),
1.102 + V( 64, 0x5b12, 65, 65, 1 ),
1.103 + V( 65, 0x4d04, 80, 66, 0 ),
1.104 + V( 66, 0x412c, 81, 67, 0 ),
1.105 + V( 67, 0x37d8, 82, 68, 0 ),
1.106 + V( 68, 0x2fe8, 83, 69, 0 ),
1.107 + V( 69, 0x293c, 84, 70, 0 ),
1.108 + V( 70, 0x2379, 86, 71, 0 ),
1.109 + V( 71, 0x1edf, 87, 72, 0 ),
1.110 + V( 72, 0x1aa9, 87, 73, 0 ),
1.111 + V( 73, 0x174e, 72, 74, 0 ),
1.112 + V( 74, 0x1424, 72, 75, 0 ),
1.113 + V( 75, 0x119c, 74, 76, 0 ),
1.114 + V( 76, 0x0f6b, 74, 77, 0 ),
1.115 + V( 77, 0x0d51, 75, 78, 0 ),
1.116 + V( 78, 0x0bb6, 77, 79, 0 ),
1.117 + V( 79, 0x0a40, 77, 48, 0 ),
1.118 + V( 80, 0x5832, 80, 81, 1 ),
1.119 + V( 81, 0x4d1c, 88, 82, 0 ),
1.120 + V( 82, 0x438e, 89, 83, 0 ),
1.121 + V( 83, 0x3bdd, 90, 84, 0 ),
1.122 + V( 84, 0x34ee, 91, 85, 0 ),
1.123 + V( 85, 0x2eae, 92, 86, 0 ),
1.124 + V( 86, 0x299a, 93, 87, 0 ),
1.125 + V( 87, 0x2516, 86, 71, 0 ),
1.126 + V( 88, 0x5570, 88, 89, 1 ),
1.127 + V( 89, 0x4ca9, 95, 90, 0 ),
1.128 + V( 90, 0x44d9, 96, 91, 0 ),
1.129 + V( 91, 0x3e22, 97, 92, 0 ),
1.130 + V( 92, 0x3824, 99, 93, 0 ),
1.131 + V( 93, 0x32b4, 99, 94, 0 ),
1.132 + V( 94, 0x2e17, 93, 86, 0 ),
1.133 + V( 95, 0x56a8, 95, 96, 1 ),
1.134 + V( 96, 0x4f46, 101, 97, 0 ),
1.135 + V( 97, 0x47e5, 102, 98, 0 ),
1.136 + V( 98, 0x41cf, 103, 99, 0 ),
1.137 + V( 99, 0x3c3d, 104, 100, 0 ),
1.138 + V( 100, 0x375e, 99, 93, 0 ),
1.139 + V( 101, 0x5231, 105, 102, 0 ),
1.140 + V( 102, 0x4c0f, 106, 103, 0 ),
1.141 + V( 103, 0x4639, 107, 104, 0 ),
1.142 + V( 104, 0x415e, 103, 99, 0 ),
1.143 + V( 105, 0x5627, 105, 106, 1 ),
1.144 + V( 106, 0x50e7, 108, 107, 0 ),
1.145 + V( 107, 0x4b85, 109, 103, 0 ),
1.146 + V( 108, 0x5597, 110, 109, 0 ),
1.147 + V( 109, 0x504f, 111, 107, 0 ),
1.148 + V( 110, 0x5a10, 110, 111, 1 ),
1.149 + V( 111, 0x5522, 112, 109, 0 ),
1.150 + V( 112, 0x59eb, 112, 111, 1 ),
1.151 +/*
1.152 + * This last entry is used for fixed probability estimate of 0.5
1.153 + * as recommended in Section 10.3 Table 5 of ITU-T Rec. T.851.
1.154 + */
1.155 + V( 113, 0x5a1d, 113, 113, 0 )
1.156 +};
