📄 cabac.c
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/* 11 - 23 */ { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 }, { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 }, { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 }, { 14, 57 }, /* 24 - 39 */ { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 }, { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 }, { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 }, { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 }, /* 40 - 53 */ { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 }, { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 }, { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 }, { -3, 90 },{ -1, 101 }, /* 54 - 59 */ { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 }, { -7, 50 },{ 1, 60 }, /* 60 - 69 */ { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, { 13, 41 }, { 3, 62 }, /* 70 - 104 */ { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 }, { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 }, { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 }, { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 }, { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 }, { 3, 68 }, { -8, 71 }, { -13, 98 }, /* 105 -> 165 */ { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 }, { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 }, { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 }, { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 }, { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 }, { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 }, { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 }, { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 }, { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 }, { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 }, { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 }, { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 }, { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 }, { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 }, { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 }, { -22, 127 }, /* 166 - 226 */ { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 }, { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 }, { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 }, { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 }, { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 }, { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 }, { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 }, { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 }, { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 }, { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 }, { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 }, { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 }, { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 }, { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 }, { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 }, { -24, 127 }, /* 227 - 275 */ { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 }, { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 }, { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 }, { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 }, { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 }, { -10, 87 }, /* 276 a bit special (not used, SHU264_cabac_encode_bypass is used instead) */ { 0, 0 }, /* 277 - 337 */ { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 }, { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 }, { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 }, { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 }, { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 }, { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 }, { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 }, { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 }, { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 }, { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 }, { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 }, { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 }, { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 }, { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 }, { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 }, { 25, 42 }, /* 338 - 398 */ { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 }, { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 }, { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 }, { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 }, { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 }, { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 }, { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 }, { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 }, { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 }, { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 }, { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 }, { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 }, { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 }, { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 }, { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 }, { 25, 61 }, /* 399 -> 435 */ { 21, 33 }, { 19, 50 }, { 17, 61 }, { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 }, /* 436 -> 459 */ { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 }, }};/* FIXME could avoid this duplication by reversing the order of states * with MPS=0, but that would uglify the other tables */static const int SHU264_cabac_range_lps[128][4] ={ { 2, 2, 2, 2 }, { 6, 7, 8, 9 }, { 6, 7, 9, 10 }, { 6, 8, 9, 11 }, { 7, 8, 10, 11 }, { 7, 9, 10, 12 }, { 7, 9, 11, 12 }, { 8, 9, 11, 13 }, { 8, 10, 12, 14 }, { 9, 11, 12, 14 }, { 9, 11, 13, 15 }, { 10, 12, 14, 16 }, { 10, 12, 15, 17 }, { 11, 13, 15, 18 }, { 11, 14, 16, 19 }, { 12, 14, 17, 20 }, { 12, 15, 18, 21 }, { 13, 16, 19, 22 }, { 14, 17, 20, 23 }, { 14, 18, 21, 24 }, { 15, 19, 22, 25 }, { 16, 20, 23, 27 }, { 17, 21, 25, 28 }, { 18, 22, 26, 30 }, { 19, 23, 27, 31 }, { 20, 24, 29, 33 }, { 21, 26, 30, 35 }, { 22, 27, 32, 37 }, { 23, 28, 33, 39 }, { 24, 30, 35, 41 }, { 26, 31, 37, 43 }, { 27, 33, 39, 45 }, { 29, 35, 41, 48 }, { 30, 37, 43, 50 }, { 32, 39, 46, 53 }, { 33, 41, 48, 56 }, { 35, 43, 51, 59 }, { 37, 45, 54, 62 }, { 39, 48, 56, 65 }, { 41, 50, 59, 69 }, { 43, 53, 63, 72 }, { 46, 56, 66, 76 }, { 48, 59, 69, 80 }, { 51, 62, 73, 85 }, { 53, 65, 77, 89 }, { 56, 69, 81, 94 }, { 59, 72, 86, 99 }, { 62, 76, 90, 104 }, { 66, 80, 95, 110 }, { 69, 85, 100, 116 }, { 73, 89, 105, 122 }, { 77, 94, 111, 128 }, { 81, 99, 117, 135 }, { 85, 104, 123, 142 }, { 90, 110, 130, 150 }, { 95, 116, 137, 158 }, { 100, 122, 144, 166 }, { 105, 128, 152, 175 }, { 111, 135, 160, 185 }, { 116, 142, 169, 195 }, { 123, 150, 178, 205 }, { 128, 158, 187, 216 }, { 128, 167, 197, 227 }, { 128, 176, 208, 240 }, { 128, 176, 208, 240 }, { 128, 167, 197, 227 }, { 128, 158, 187, 216 }, { 123, 150, 178, 205 }, { 116, 142, 169, 195 }, { 111, 135, 160, 185 }, { 105, 128, 152, 175 }, { 100, 122, 144, 166 }, { 95, 116, 137, 158 }, { 90, 110, 130, 150 }, { 85, 104, 123, 142 }, { 81, 99, 117, 135 }, { 77, 94, 111, 128 }, { 73, 89, 105, 122 }, { 69, 85, 100, 116 }, { 66, 80, 95, 110 }, { 62, 76, 90, 104 }, { 59, 72, 86, 99 }, { 56, 69, 81, 94 }, { 53, 65, 77, 89 }, { 51, 62, 73, 85 }, { 48, 59, 69, 80 }, { 46, 56, 66, 76 }, { 43, 53, 63, 72 }, { 41, 50, 59, 69 }, { 39, 48, 56, 65 }, { 37, 45, 54, 62 }, { 35, 43, 51, 59 }, { 33, 41, 48, 56 }, { 32, 39, 46, 53 }, { 30, 37, 43, 50 }, { 29, 35, 41, 48 }, { 27, 33, 39, 45 }, { 26, 31, 37, 43 }, { 24, 30, 35, 41 }, { 23, 28, 33, 39 }, { 22, 27, 32, 37 }, { 21, 26, 30, 35 }, { 20, 24, 29, 33 }, { 19, 23, 27, 31 }, { 18, 22, 26, 30 }, { 17, 21, 25, 28 }, { 16, 20, 23, 27 }, { 15, 19, 22, 25 }, { 14, 18, 21, 24 }, { 14, 17, 20, 23 }, { 13, 16, 19, 22 }, { 12, 15, 18, 21 }, { 12, 14, 17, 20 }, { 11, 14, 16, 19 }, { 11, 13, 15, 18 }, { 10, 12, 15, 17 }, { 10, 12, 14, 16 }, { 9, 11, 13, 15 }, { 9, 11, 12, 14 }, { 8, 10, 12, 14 }, { 8, 9, 11, 13 }, { 7, 9, 11, 12 }, { 7, 9, 10, 12 }, { 7, 8, 10, 11 }, { 6, 8, 9, 11 }, { 6, 7, 9, 10 }, { 6, 7, 8, 9 }, { 2, 2, 2, 2 },};static const int SHU264_cabac_transition[2][128] ={{ 0, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 66, 68, 68, 69, 70, 71, 72, 73, 73, 75, 75, 76, 77, 77, 79, 79, 80, 80, 82, 82, 83, 83, 85, 85, 86, 86, 87, 88, 88, 89, 90, 90, 91, 91, 92, 93, 93, 94, 94, 94, 95, 96, 96, 97, 97, 97, 98, 98, 99, 99, 99,100,100,100,101,101,101,102,102,127,},{ 0, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 30, 30, 30, 31, 31, 32, 33, 33, 33, 34, 34, 35, 36, 36, 37, 37, 38, 39, 39, 40, 41, 41, 42, 42, 44, 44, 45, 45, 47, 47, 48, 48, 50, 50, 51, 52, 52, 54, 54, 55, 56, 57, 58, 59, 59, 61, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,112, 113,114,115,116,117,118,119,120,121,122,123,124,125,126,126,127,}};static const int SHU264_cabac_probability[128] ={ FIX8(0.9812), FIX8(0.9802), FIX8(0.9792), FIX8(0.9781), FIX8(0.9769), FIX8(0.9757), FIX8(0.9744), FIX8(0.9730), FIX8(0.9716), FIX8(0.9700), FIX8(0.9684), FIX8(0.9667), FIX8(0.9650), FIX8(0.9631), FIX8(0.9611), FIX8(0.9590), FIX8(0.9568), FIX8(0.9545), FIX8(0.9521), FIX8(0.9495), FIX8(0.9468), FIX8(0.9440), FIX8(0.9410), FIX8(0.9378), FIX8(0.9345), FIX8(0.9310), FIX8(0.9273), FIX8(0.9234), FIX8(0.9193), FIX8(0.9150), FIX8(0.9105), FIX8(0.9057), FIX8(0.9006), FIX8(0.8953), FIX8(0.8897), FIX8(0.8838), FIX8(0.8776), FIX8(0.8710), FIX8(0.8641), FIX8(0.8569), FIX8(0.8492), FIX8(0.8411), FIX8(0.8326), FIX8(0.8237), FIX8(0.8143), FIX8(0.8043), FIX8(0.7938), FIX8(0.7828), FIX8(0.7712), FIX8(0.7590), FIX8(0.7461), FIX8(0.7325), FIX8(0.7182), FIX8(0.7031), FIX8(0.6872), FIX8(0.6705), FIX8(0.6528), FIX8(0.6343), FIX8(0.6147), FIX8(0.5941), FIX8(0.5724), FIX8(0.5495), FIX8(0.5254), FIX8(0.5000), FIX8(0.5000), FIX8(0.4746), FIX8(0.4505), FIX8(0.4276), FIX8(0.4059), FIX8(0.3853), FIX8(0.3657), FIX8(0.3472), FIX8(0.3295), FIX8(0.3128), FIX8(0.2969), FIX8(0.2818), FIX8(0.2675), FIX8(0.2539), FIX8(0.2410), FIX8(0.2288), FIX8(0.2172), FIX8(0.2062), FIX8(0.1957), FIX8(0.1857), FIX8(0.1763), FIX8(0.1674), FIX8(0.1589), FIX8(0.1508), FIX8(0.1431), FIX8(0.1359), FIX8(0.1290), FIX8(0.1224), FIX8(0.1162), FIX8(0.1103), FIX8(0.1047), FIX8(0.0994), FIX8(0.0943), FIX8(0.0895), FIX8(0.0850), FIX8(0.0807), FIX8(0.0766), FIX8(0.0727), FIX8(0.0690), FIX8(0.0655), FIX8(0.0622), FIX8(0.0590), FIX8(0.0560), FIX8(0.0532), FIX8(0.0505), FIX8(0.0479), FIX8(0.0455), FIX8(0.0432), FIX8(0.0410), FIX8(0.0389), FIX8(0.0369), FIX8(0.0350), FIX8(0.0333), FIX8(0.0316), FIX8(0.0300), FIX8(0.0284), FIX8(0.0270), FIX8(0.0256), FIX8(0.0243), FIX8(0.0231), FIX8(0.0219), FIX8(0.0208), FIX8(0.0198), FIX8(0.0187)};/* -ln2(probability) */static const int SHU264_cabac_entropy[128] ={⌨️ 快捷键说明
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