github.com/cellofellow/gopkg@v0.0.0-20140722061823-eec0544a62ad/image/webp/libwebp/src/enc/cost.c (about) 1 // Copyright 2011 Google Inc. All Rights Reserved. 2 // 3 // Use of this source code is governed by a BSD-style license 4 // that can be found in the COPYING file in the root of the source 5 // tree. An additional intellectual property rights grant can be found 6 // in the file PATENTS. All contributing project authors may 7 // be found in the AUTHORS file in the root of the source tree. 8 // ----------------------------------------------------------------------------- 9 // 10 // Cost tables for level and modes 11 // 12 // Author: Skal (pascal.massimino@gmail.com) 13 14 #include "./cost.h" 15 16 //------------------------------------------------------------------------------ 17 // Boolean-cost cost table 18 19 const uint16_t VP8EntropyCost[256] = { 20 1792, 1792, 1792, 1536, 1536, 1408, 1366, 1280, 1280, 1216, 21 1178, 1152, 1110, 1076, 1061, 1024, 1024, 992, 968, 951, 22 939, 911, 896, 878, 871, 854, 838, 820, 811, 794, 23 786, 768, 768, 752, 740, 732, 720, 709, 704, 690, 24 683, 672, 666, 655, 647, 640, 631, 622, 615, 607, 25 598, 592, 586, 576, 572, 564, 559, 555, 547, 541, 26 534, 528, 522, 512, 512, 504, 500, 494, 488, 483, 27 477, 473, 467, 461, 458, 452, 448, 443, 438, 434, 28 427, 424, 419, 415, 410, 406, 403, 399, 394, 390, 29 384, 384, 377, 374, 370, 366, 362, 359, 355, 351, 30 347, 342, 342, 336, 333, 330, 326, 323, 320, 316, 31 312, 308, 305, 302, 299, 296, 293, 288, 287, 283, 32 280, 277, 274, 272, 268, 266, 262, 256, 256, 256, 33 251, 248, 245, 242, 240, 237, 234, 232, 228, 226, 34 223, 221, 218, 216, 214, 211, 208, 205, 203, 201, 35 198, 196, 192, 191, 188, 187, 183, 181, 179, 176, 36 175, 171, 171, 168, 165, 163, 160, 159, 156, 154, 37 152, 150, 148, 146, 144, 142, 139, 138, 135, 133, 38 131, 128, 128, 125, 123, 121, 119, 117, 115, 113, 39 111, 110, 107, 105, 103, 102, 100, 98, 96, 94, 40 92, 91, 89, 86, 86, 83, 82, 80, 77, 76, 41 74, 73, 71, 69, 67, 66, 64, 63, 61, 59, 42 57, 55, 54, 52, 51, 49, 47, 46, 44, 43, 43 41, 40, 38, 36, 35, 33, 32, 30, 29, 27, 44 25, 24, 22, 21, 19, 18, 16, 15, 13, 12, 45 10, 9, 7, 6, 4, 3 46 }; 47 48 //------------------------------------------------------------------------------ 49 // Level cost tables 50 51 // For each given level, the following table gives the pattern of contexts to 52 // use for coding it (in [][0]) as well as the bit value to use for each 53 // context (in [][1]). 54 const uint16_t VP8LevelCodes[MAX_VARIABLE_LEVEL][2] = { 55 {0x001, 0x000}, {0x007, 0x001}, {0x00f, 0x005}, 56 {0x00f, 0x00d}, {0x033, 0x003}, {0x033, 0x003}, {0x033, 0x023}, 57 {0x033, 0x023}, {0x033, 0x023}, {0x033, 0x023}, {0x0d3, 0x013}, 58 {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, 59 {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x093}, 60 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, 61 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, 62 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, 63 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x153, 0x053}, 64 {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, 65 {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, 66 {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, 67 {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, 68 {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, 69 {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, 70 {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, 71 {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x153} 72 }; 73 74 // fixed costs for coding levels, deduce from the coding tree. 75 // This is only the part that doesn't depend on the probability state. 76 const uint16_t VP8LevelFixedCosts[MAX_LEVEL + 1] = { 77 0, 256, 256, 256, 256, 432, 618, 630, 78 731, 640, 640, 828, 901, 948, 1021, 1101, 79 1174, 1221, 1294, 1042, 1085, 1115, 1158, 1202, 80 1245, 1275, 1318, 1337, 1380, 1410, 1453, 1497, 81 1540, 1570, 1613, 1280, 1295, 1317, 1332, 1358, 82 1373, 1395, 1410, 1454, 1469, 1491, 1506, 1532, 83 1547, 1569, 1584, 1601, 1616, 1638, 1653, 1679, 84 1694, 1716, 1731, 1775, 1790, 1812, 1827, 1853, 85 1868, 1890, 1905, 1727, 1733, 1742, 1748, 1759, 86 1765, 1774, 1780, 1800, 1806, 1815, 1821, 1832, 87 1838, 1847, 1853, 1878, 1884, 1893, 1899, 1910, 88 1916, 1925, 1931, 1951, 1957, 1966, 1972, 1983, 89 1989, 1998, 2004, 2027, 2033, 2042, 2048, 2059, 90 2065, 2074, 2080, 2100, 2106, 2115, 2121, 2132, 91 2138, 2147, 2153, 2178, 2184, 2193, 2199, 2210, 92 2216, 2225, 2231, 2251, 2257, 2266, 2272, 2283, 93 2289, 2298, 2304, 2168, 2174, 2183, 2189, 2200, 94 2206, 2215, 2221, 2241, 2247, 2256, 2262, 2273, 95 2279, 2288, 2294, 2319, 2325, 2334, 2340, 2351, 96 2357, 2366, 2372, 2392, 2398, 2407, 2413, 2424, 97 2430, 2439, 2445, 2468, 2474, 2483, 2489, 2500, 98 2506, 2515, 2521, 2541, 2547, 2556, 2562, 2573, 99 2579, 2588, 2594, 2619, 2625, 2634, 2640, 2651, 100 2657, 2666, 2672, 2692, 2698, 2707, 2713, 2724, 101 2730, 2739, 2745, 2540, 2546, 2555, 2561, 2572, 102 2578, 2587, 2593, 2613, 2619, 2628, 2634, 2645, 103 2651, 2660, 2666, 2691, 2697, 2706, 2712, 2723, 104 2729, 2738, 2744, 2764, 2770, 2779, 2785, 2796, 105 2802, 2811, 2817, 2840, 2846, 2855, 2861, 2872, 106 2878, 2887, 2893, 2913, 2919, 2928, 2934, 2945, 107 2951, 2960, 2966, 2991, 2997, 3006, 3012, 3023, 108 3029, 3038, 3044, 3064, 3070, 3079, 3085, 3096, 109 3102, 3111, 3117, 2981, 2987, 2996, 3002, 3013, 110 3019, 3028, 3034, 3054, 3060, 3069, 3075, 3086, 111 3092, 3101, 3107, 3132, 3138, 3147, 3153, 3164, 112 3170, 3179, 3185, 3205, 3211, 3220, 3226, 3237, 113 3243, 3252, 3258, 3281, 3287, 3296, 3302, 3313, 114 3319, 3328, 3334, 3354, 3360, 3369, 3375, 3386, 115 3392, 3401, 3407, 3432, 3438, 3447, 3453, 3464, 116 3470, 3479, 3485, 3505, 3511, 3520, 3526, 3537, 117 3543, 3552, 3558, 2816, 2822, 2831, 2837, 2848, 118 2854, 2863, 2869, 2889, 2895, 2904, 2910, 2921, 119 2927, 2936, 2942, 2967, 2973, 2982, 2988, 2999, 120 3005, 3014, 3020, 3040, 3046, 3055, 3061, 3072, 121 3078, 3087, 3093, 3116, 3122, 3131, 3137, 3148, 122 3154, 3163, 3169, 3189, 3195, 3204, 3210, 3221, 123 3227, 3236, 3242, 3267, 3273, 3282, 3288, 3299, 124 3305, 3314, 3320, 3340, 3346, 3355, 3361, 3372, 125 3378, 3387, 3393, 3257, 3263, 3272, 3278, 3289, 126 3295, 3304, 3310, 3330, 3336, 3345, 3351, 3362, 127 3368, 3377, 3383, 3408, 3414, 3423, 3429, 3440, 128 3446, 3455, 3461, 3481, 3487, 3496, 3502, 3513, 129 3519, 3528, 3534, 3557, 3563, 3572, 3578, 3589, 130 3595, 3604, 3610, 3630, 3636, 3645, 3651, 3662, 131 3668, 3677, 3683, 3708, 3714, 3723, 3729, 3740, 132 3746, 3755, 3761, 3781, 3787, 3796, 3802, 3813, 133 3819, 3828, 3834, 3629, 3635, 3644, 3650, 3661, 134 3667, 3676, 3682, 3702, 3708, 3717, 3723, 3734, 135 3740, 3749, 3755, 3780, 3786, 3795, 3801, 3812, 136 3818, 3827, 3833, 3853, 3859, 3868, 3874, 3885, 137 3891, 3900, 3906, 3929, 3935, 3944, 3950, 3961, 138 3967, 3976, 3982, 4002, 4008, 4017, 4023, 4034, 139 4040, 4049, 4055, 4080, 4086, 4095, 4101, 4112, 140 4118, 4127, 4133, 4153, 4159, 4168, 4174, 4185, 141 4191, 4200, 4206, 4070, 4076, 4085, 4091, 4102, 142 4108, 4117, 4123, 4143, 4149, 4158, 4164, 4175, 143 4181, 4190, 4196, 4221, 4227, 4236, 4242, 4253, 144 4259, 4268, 4274, 4294, 4300, 4309, 4315, 4326, 145 4332, 4341, 4347, 4370, 4376, 4385, 4391, 4402, 146 4408, 4417, 4423, 4443, 4449, 4458, 4464, 4475, 147 4481, 4490, 4496, 4521, 4527, 4536, 4542, 4553, 148 4559, 4568, 4574, 4594, 4600, 4609, 4615, 4626, 149 4632, 4641, 4647, 3515, 3521, 3530, 3536, 3547, 150 3553, 3562, 3568, 3588, 3594, 3603, 3609, 3620, 151 3626, 3635, 3641, 3666, 3672, 3681, 3687, 3698, 152 3704, 3713, 3719, 3739, 3745, 3754, 3760, 3771, 153 3777, 3786, 3792, 3815, 3821, 3830, 3836, 3847, 154 3853, 3862, 3868, 3888, 3894, 3903, 3909, 3920, 155 3926, 3935, 3941, 3966, 3972, 3981, 3987, 3998, 156 4004, 4013, 4019, 4039, 4045, 4054, 4060, 4071, 157 4077, 4086, 4092, 3956, 3962, 3971, 3977, 3988, 158 3994, 4003, 4009, 4029, 4035, 4044, 4050, 4061, 159 4067, 4076, 4082, 4107, 4113, 4122, 4128, 4139, 160 4145, 4154, 4160, 4180, 4186, 4195, 4201, 4212, 161 4218, 4227, 4233, 4256, 4262, 4271, 4277, 4288, 162 4294, 4303, 4309, 4329, 4335, 4344, 4350, 4361, 163 4367, 4376, 4382, 4407, 4413, 4422, 4428, 4439, 164 4445, 4454, 4460, 4480, 4486, 4495, 4501, 4512, 165 4518, 4527, 4533, 4328, 4334, 4343, 4349, 4360, 166 4366, 4375, 4381, 4401, 4407, 4416, 4422, 4433, 167 4439, 4448, 4454, 4479, 4485, 4494, 4500, 4511, 168 4517, 4526, 4532, 4552, 4558, 4567, 4573, 4584, 169 4590, 4599, 4605, 4628, 4634, 4643, 4649, 4660, 170 4666, 4675, 4681, 4701, 4707, 4716, 4722, 4733, 171 4739, 4748, 4754, 4779, 4785, 4794, 4800, 4811, 172 4817, 4826, 4832, 4852, 4858, 4867, 4873, 4884, 173 4890, 4899, 4905, 4769, 4775, 4784, 4790, 4801, 174 4807, 4816, 4822, 4842, 4848, 4857, 4863, 4874, 175 4880, 4889, 4895, 4920, 4926, 4935, 4941, 4952, 176 4958, 4967, 4973, 4993, 4999, 5008, 5014, 5025, 177 5031, 5040, 5046, 5069, 5075, 5084, 5090, 5101, 178 5107, 5116, 5122, 5142, 5148, 5157, 5163, 5174, 179 5180, 5189, 5195, 5220, 5226, 5235, 5241, 5252, 180 5258, 5267, 5273, 5293, 5299, 5308, 5314, 5325, 181 5331, 5340, 5346, 4604, 4610, 4619, 4625, 4636, 182 4642, 4651, 4657, 4677, 4683, 4692, 4698, 4709, 183 4715, 4724, 4730, 4755, 4761, 4770, 4776, 4787, 184 4793, 4802, 4808, 4828, 4834, 4843, 4849, 4860, 185 4866, 4875, 4881, 4904, 4910, 4919, 4925, 4936, 186 4942, 4951, 4957, 4977, 4983, 4992, 4998, 5009, 187 5015, 5024, 5030, 5055, 5061, 5070, 5076, 5087, 188 5093, 5102, 5108, 5128, 5134, 5143, 5149, 5160, 189 5166, 5175, 5181, 5045, 5051, 5060, 5066, 5077, 190 5083, 5092, 5098, 5118, 5124, 5133, 5139, 5150, 191 5156, 5165, 5171, 5196, 5202, 5211, 5217, 5228, 192 5234, 5243, 5249, 5269, 5275, 5284, 5290, 5301, 193 5307, 5316, 5322, 5345, 5351, 5360, 5366, 5377, 194 5383, 5392, 5398, 5418, 5424, 5433, 5439, 5450, 195 5456, 5465, 5471, 5496, 5502, 5511, 5517, 5528, 196 5534, 5543, 5549, 5569, 5575, 5584, 5590, 5601, 197 5607, 5616, 5622, 5417, 5423, 5432, 5438, 5449, 198 5455, 5464, 5470, 5490, 5496, 5505, 5511, 5522, 199 5528, 5537, 5543, 5568, 5574, 5583, 5589, 5600, 200 5606, 5615, 5621, 5641, 5647, 5656, 5662, 5673, 201 5679, 5688, 5694, 5717, 5723, 5732, 5738, 5749, 202 5755, 5764, 5770, 5790, 5796, 5805, 5811, 5822, 203 5828, 5837, 5843, 5868, 5874, 5883, 5889, 5900, 204 5906, 5915, 5921, 5941, 5947, 5956, 5962, 5973, 205 5979, 5988, 5994, 5858, 5864, 5873, 5879, 5890, 206 5896, 5905, 5911, 5931, 5937, 5946, 5952, 5963, 207 5969, 5978, 5984, 6009, 6015, 6024, 6030, 6041, 208 6047, 6056, 6062, 6082, 6088, 6097, 6103, 6114, 209 6120, 6129, 6135, 6158, 6164, 6173, 6179, 6190, 210 6196, 6205, 6211, 6231, 6237, 6246, 6252, 6263, 211 6269, 6278, 6284, 6309, 6315, 6324, 6330, 6341, 212 6347, 6356, 6362, 6382, 6388, 6397, 6403, 6414, 213 6420, 6429, 6435, 3515, 3521, 3530, 3536, 3547, 214 3553, 3562, 3568, 3588, 3594, 3603, 3609, 3620, 215 3626, 3635, 3641, 3666, 3672, 3681, 3687, 3698, 216 3704, 3713, 3719, 3739, 3745, 3754, 3760, 3771, 217 3777, 3786, 3792, 3815, 3821, 3830, 3836, 3847, 218 3853, 3862, 3868, 3888, 3894, 3903, 3909, 3920, 219 3926, 3935, 3941, 3966, 3972, 3981, 3987, 3998, 220 4004, 4013, 4019, 4039, 4045, 4054, 4060, 4071, 221 4077, 4086, 4092, 3956, 3962, 3971, 3977, 3988, 222 3994, 4003, 4009, 4029, 4035, 4044, 4050, 4061, 223 4067, 4076, 4082, 4107, 4113, 4122, 4128, 4139, 224 4145, 4154, 4160, 4180, 4186, 4195, 4201, 4212, 225 4218, 4227, 4233, 4256, 4262, 4271, 4277, 4288, 226 4294, 4303, 4309, 4329, 4335, 4344, 4350, 4361, 227 4367, 4376, 4382, 4407, 4413, 4422, 4428, 4439, 228 4445, 4454, 4460, 4480, 4486, 4495, 4501, 4512, 229 4518, 4527, 4533, 4328, 4334, 4343, 4349, 4360, 230 4366, 4375, 4381, 4401, 4407, 4416, 4422, 4433, 231 4439, 4448, 4454, 4479, 4485, 4494, 4500, 4511, 232 4517, 4526, 4532, 4552, 4558, 4567, 4573, 4584, 233 4590, 4599, 4605, 4628, 4634, 4643, 4649, 4660, 234 4666, 4675, 4681, 4701, 4707, 4716, 4722, 4733, 235 4739, 4748, 4754, 4779, 4785, 4794, 4800, 4811, 236 4817, 4826, 4832, 4852, 4858, 4867, 4873, 4884, 237 4890, 4899, 4905, 4769, 4775, 4784, 4790, 4801, 238 4807, 4816, 4822, 4842, 4848, 4857, 4863, 4874, 239 4880, 4889, 4895, 4920, 4926, 4935, 4941, 4952, 240 4958, 4967, 4973, 4993, 4999, 5008, 5014, 5025, 241 5031, 5040, 5046, 5069, 5075, 5084, 5090, 5101, 242 5107, 5116, 5122, 5142, 5148, 5157, 5163, 5174, 243 5180, 5189, 5195, 5220, 5226, 5235, 5241, 5252, 244 5258, 5267, 5273, 5293, 5299, 5308, 5314, 5325, 245 5331, 5340, 5346, 4604, 4610, 4619, 4625, 4636, 246 4642, 4651, 4657, 4677, 4683, 4692, 4698, 4709, 247 4715, 4724, 4730, 4755, 4761, 4770, 4776, 4787, 248 4793, 4802, 4808, 4828, 4834, 4843, 4849, 4860, 249 4866, 4875, 4881, 4904, 4910, 4919, 4925, 4936, 250 4942, 4951, 4957, 4977, 4983, 4992, 4998, 5009, 251 5015, 5024, 5030, 5055, 5061, 5070, 5076, 5087, 252 5093, 5102, 5108, 5128, 5134, 5143, 5149, 5160, 253 5166, 5175, 5181, 5045, 5051, 5060, 5066, 5077, 254 5083, 5092, 5098, 5118, 5124, 5133, 5139, 5150, 255 5156, 5165, 5171, 5196, 5202, 5211, 5217, 5228, 256 5234, 5243, 5249, 5269, 5275, 5284, 5290, 5301, 257 5307, 5316, 5322, 5345, 5351, 5360, 5366, 5377, 258 5383, 5392, 5398, 5418, 5424, 5433, 5439, 5450, 259 5456, 5465, 5471, 5496, 5502, 5511, 5517, 5528, 260 5534, 5543, 5549, 5569, 5575, 5584, 5590, 5601, 261 5607, 5616, 5622, 5417, 5423, 5432, 5438, 5449, 262 5455, 5464, 5470, 5490, 5496, 5505, 5511, 5522, 263 5528, 5537, 5543, 5568, 5574, 5583, 5589, 5600, 264 5606, 5615, 5621, 5641, 5647, 5656, 5662, 5673, 265 5679, 5688, 5694, 5717, 5723, 5732, 5738, 5749, 266 5755, 5764, 5770, 5790, 5796, 5805, 5811, 5822, 267 5828, 5837, 5843, 5868, 5874, 5883, 5889, 5900, 268 5906, 5915, 5921, 5941, 5947, 5956, 5962, 5973, 269 5979, 5988, 5994, 5858, 5864, 5873, 5879, 5890, 270 5896, 5905, 5911, 5931, 5937, 5946, 5952, 5963, 271 5969, 5978, 5984, 6009, 6015, 6024, 6030, 6041, 272 6047, 6056, 6062, 6082, 6088, 6097, 6103, 6114, 273 6120, 6129, 6135, 6158, 6164, 6173, 6179, 6190, 274 6196, 6205, 6211, 6231, 6237, 6246, 6252, 6263, 275 6269, 6278, 6284, 6309, 6315, 6324, 6330, 6341, 276 6347, 6356, 6362, 6382, 6388, 6397, 6403, 6414, 277 6420, 6429, 6435, 5303, 5309, 5318, 5324, 5335, 278 5341, 5350, 5356, 5376, 5382, 5391, 5397, 5408, 279 5414, 5423, 5429, 5454, 5460, 5469, 5475, 5486, 280 5492, 5501, 5507, 5527, 5533, 5542, 5548, 5559, 281 5565, 5574, 5580, 5603, 5609, 5618, 5624, 5635, 282 5641, 5650, 5656, 5676, 5682, 5691, 5697, 5708, 283 5714, 5723, 5729, 5754, 5760, 5769, 5775, 5786, 284 5792, 5801, 5807, 5827, 5833, 5842, 5848, 5859, 285 5865, 5874, 5880, 5744, 5750, 5759, 5765, 5776, 286 5782, 5791, 5797, 5817, 5823, 5832, 5838, 5849, 287 5855, 5864, 5870, 5895, 5901, 5910, 5916, 5927, 288 5933, 5942, 5948, 5968, 5974, 5983, 5989, 6000, 289 6006, 6015, 6021, 6044, 6050, 6059, 6065, 6076, 290 6082, 6091, 6097, 6117, 6123, 6132, 6138, 6149, 291 6155, 6164, 6170, 6195, 6201, 6210, 6216, 6227, 292 6233, 6242, 6248, 6268, 6274, 6283, 6289, 6300, 293 6306, 6315, 6321, 6116, 6122, 6131, 6137, 6148, 294 6154, 6163, 6169, 6189, 6195, 6204, 6210, 6221, 295 6227, 6236, 6242, 6267, 6273, 6282, 6288, 6299, 296 6305, 6314, 6320, 6340, 6346, 6355, 6361, 6372, 297 6378, 6387, 6393, 6416, 6422, 6431, 6437, 6448, 298 6454, 6463, 6469, 6489, 6495, 6504, 6510, 6521, 299 6527, 6536, 6542, 6567, 6573, 6582, 6588, 6599, 300 6605, 6614, 6620, 6640, 6646, 6655, 6661, 6672, 301 6678, 6687, 6693, 6557, 6563, 6572, 6578, 6589, 302 6595, 6604, 6610, 6630, 6636, 6645, 6651, 6662, 303 6668, 6677, 6683, 6708, 6714, 6723, 6729, 6740, 304 6746, 6755, 6761, 6781, 6787, 6796, 6802, 6813, 305 6819, 6828, 6834, 6857, 6863, 6872, 6878, 6889, 306 6895, 6904, 6910, 6930, 6936, 6945, 6951, 6962, 307 6968, 6977, 6983, 7008, 7014, 7023, 7029, 7040, 308 7046, 7055, 7061, 7081, 7087, 7096, 7102, 7113, 309 7119, 7128, 7134, 6392, 6398, 6407, 6413, 6424, 310 6430, 6439, 6445, 6465, 6471, 6480, 6486, 6497, 311 6503, 6512, 6518, 6543, 6549, 6558, 6564, 6575, 312 6581, 6590, 6596, 6616, 6622, 6631, 6637, 6648, 313 6654, 6663, 6669, 6692, 6698, 6707, 6713, 6724, 314 6730, 6739, 6745, 6765, 6771, 6780, 6786, 6797, 315 6803, 6812, 6818, 6843, 6849, 6858, 6864, 6875, 316 6881, 6890, 6896, 6916, 6922, 6931, 6937, 6948, 317 6954, 6963, 6969, 6833, 6839, 6848, 6854, 6865, 318 6871, 6880, 6886, 6906, 6912, 6921, 6927, 6938, 319 6944, 6953, 6959, 6984, 6990, 6999, 7005, 7016, 320 7022, 7031, 7037, 7057, 7063, 7072, 7078, 7089, 321 7095, 7104, 7110, 7133, 7139, 7148, 7154, 7165, 322 7171, 7180, 7186, 7206, 7212, 7221, 7227, 7238, 323 7244, 7253, 7259, 7284, 7290, 7299, 7305, 7316, 324 7322, 7331, 7337, 7357, 7363, 7372, 7378, 7389, 325 7395, 7404, 7410, 7205, 7211, 7220, 7226, 7237, 326 7243, 7252, 7258, 7278, 7284, 7293, 7299, 7310, 327 7316, 7325, 7331, 7356, 7362, 7371, 7377, 7388, 328 7394, 7403, 7409, 7429, 7435, 7444, 7450, 7461, 329 7467, 7476, 7482, 7505, 7511, 7520, 7526, 7537, 330 7543, 7552, 7558, 7578, 7584, 7593, 7599, 7610, 331 7616, 7625, 7631, 7656, 7662, 7671, 7677, 7688, 332 7694, 7703, 7709, 7729, 7735, 7744, 7750, 7761 333 }; 334 335 static int VariableLevelCost(int level, const uint8_t probas[NUM_PROBAS]) { 336 int pattern = VP8LevelCodes[level - 1][0]; 337 int bits = VP8LevelCodes[level - 1][1]; 338 int cost = 0; 339 int i; 340 for (i = 2; pattern; ++i) { 341 if (pattern & 1) { 342 cost += VP8BitCost(bits & 1, probas[i]); 343 } 344 bits >>= 1; 345 pattern >>= 1; 346 } 347 return cost; 348 } 349 350 //------------------------------------------------------------------------------ 351 // Pre-calc level costs once for all 352 353 void VP8CalculateLevelCosts(VP8Proba* const proba) { 354 int ctype, band, ctx; 355 356 if (!proba->dirty_) return; // nothing to do. 357 358 for (ctype = 0; ctype < NUM_TYPES; ++ctype) { 359 for (band = 0; band < NUM_BANDS; ++band) { 360 for (ctx = 0; ctx < NUM_CTX; ++ctx) { 361 const uint8_t* const p = proba->coeffs_[ctype][band][ctx]; 362 uint16_t* const table = proba->level_cost_[ctype][band][ctx]; 363 const int cost_base = VP8BitCost(1, p[1]); 364 int v; 365 table[0] = VP8BitCost(0, p[1]); 366 for (v = 1; v <= MAX_VARIABLE_LEVEL; ++v) { 367 table[v] = cost_base + VariableLevelCost(v, p); 368 } 369 // Starting at level 67 and up, the variable part of the cost is 370 // actually constant. 371 } 372 } 373 } 374 proba->dirty_ = 0; 375 } 376 377 //------------------------------------------------------------------------------ 378 // Mode cost tables. 379 380 // These are the fixed probabilities (in the coding trees) turned into bit-cost 381 // by calling VP8BitCost(). 382 const uint16_t VP8FixedCostsUV[4] = { 302, 984, 439, 642 }; 383 // note: these values include the fixed VP8BitCost(1, 145) mode selection cost. 384 const uint16_t VP8FixedCostsI16[4] = { 663, 919, 872, 919 }; 385 const uint16_t VP8FixedCostsI4[NUM_BMODES][NUM_BMODES][NUM_BMODES] = { 386 { { 40, 1151, 1723, 1874, 2103, 2019, 1628, 1777, 2226, 2137 }, 387 { 192, 469, 1296, 1308, 1849, 1794, 1781, 1703, 1713, 1522 }, 388 { 142, 910, 762, 1684, 1849, 1576, 1460, 1305, 1801, 1657 }, 389 { 559, 641, 1370, 421, 1182, 1569, 1612, 1725, 863, 1007 }, 390 { 299, 1059, 1256, 1108, 636, 1068, 1581, 1883, 869, 1142 }, 391 { 277, 1111, 707, 1362, 1089, 672, 1603, 1541, 1545, 1291 }, 392 { 214, 781, 1609, 1303, 1632, 2229, 726, 1560, 1713, 918 }, 393 { 152, 1037, 1046, 1759, 1983, 2174, 1358, 742, 1740, 1390 }, 394 { 512, 1046, 1420, 753, 752, 1297, 1486, 1613, 460, 1207 }, 395 { 424, 827, 1362, 719, 1462, 1202, 1199, 1476, 1199, 538 } }, 396 { { 240, 402, 1134, 1491, 1659, 1505, 1517, 1555, 1979, 2099 }, 397 { 467, 242, 960, 1232, 1714, 1620, 1834, 1570, 1676, 1391 }, 398 { 500, 455, 463, 1507, 1699, 1282, 1564, 982, 2114, 2114 }, 399 { 672, 643, 1372, 331, 1589, 1667, 1453, 1938, 996, 876 }, 400 { 458, 783, 1037, 911, 738, 968, 1165, 1518, 859, 1033 }, 401 { 504, 815, 504, 1139, 1219, 719, 1506, 1085, 1268, 1268 }, 402 { 333, 630, 1445, 1239, 1883, 3672, 799, 1548, 1865, 598 }, 403 { 399, 644, 746, 1342, 1856, 1350, 1493, 613, 1855, 1015 }, 404 { 622, 749, 1205, 608, 1066, 1408, 1290, 1406, 546, 971 }, 405 { 500, 753, 1041, 668, 1230, 1617, 1297, 1425, 1383, 523 } }, 406 { { 394, 553, 523, 1502, 1536, 981, 1608, 1142, 1666, 2181 }, 407 { 655, 430, 375, 1411, 1861, 1220, 1677, 1135, 1978, 1553 }, 408 { 690, 640, 245, 1954, 2070, 1194, 1528, 982, 1972, 2232 }, 409 { 559, 834, 741, 867, 1131, 980, 1225, 852, 1092, 784 }, 410 { 690, 875, 516, 959, 673, 894, 1056, 1190, 1528, 1126 }, 411 { 740, 951, 384, 1277, 1177, 492, 1579, 1155, 1846, 1513 }, 412 { 323, 775, 1062, 1776, 3062, 1274, 813, 1188, 1372, 655 }, 413 { 488, 971, 484, 1767, 1515, 1775, 1115, 503, 1539, 1461 }, 414 { 740, 1006, 998, 709, 851, 1230, 1337, 788, 741, 721 }, 415 { 522, 1073, 573, 1045, 1346, 887, 1046, 1146, 1203, 697 } }, 416 { { 105, 864, 1442, 1009, 1934, 1840, 1519, 1920, 1673, 1579 }, 417 { 534, 305, 1193, 683, 1388, 2164, 1802, 1894, 1264, 1170 }, 418 { 305, 518, 877, 1108, 1426, 3215, 1425, 1064, 1320, 1242 }, 419 { 683, 732, 1927, 257, 1493, 2048, 1858, 1552, 1055, 947 }, 420 { 394, 814, 1024, 660, 959, 1556, 1282, 1289, 893, 1047 }, 421 { 528, 615, 996, 940, 1201, 635, 1094, 2515, 803, 1358 }, 422 { 347, 614, 1609, 1187, 3133, 1345, 1007, 1339, 1017, 667 }, 423 { 218, 740, 878, 1605, 3650, 3650, 1345, 758, 1357, 1617 }, 424 { 672, 750, 1541, 558, 1257, 1599, 1870, 2135, 402, 1087 }, 425 { 592, 684, 1161, 430, 1092, 1497, 1475, 1489, 1095, 822 } }, 426 { { 228, 1056, 1059, 1368, 752, 982, 1512, 1518, 987, 1782 }, 427 { 494, 514, 818, 942, 965, 892, 1610, 1356, 1048, 1363 }, 428 { 512, 648, 591, 1042, 761, 991, 1196, 1454, 1309, 1463 }, 429 { 683, 749, 1043, 676, 841, 1396, 1133, 1138, 654, 939 }, 430 { 622, 1101, 1126, 994, 361, 1077, 1203, 1318, 877, 1219 }, 431 { 631, 1068, 857, 1650, 651, 477, 1650, 1419, 828, 1170 }, 432 { 555, 727, 1068, 1335, 3127, 1339, 820, 1331, 1077, 429 }, 433 { 504, 879, 624, 1398, 889, 889, 1392, 808, 891, 1406 }, 434 { 683, 1602, 1289, 977, 578, 983, 1280, 1708, 406, 1122 }, 435 { 399, 865, 1433, 1070, 1072, 764, 968, 1477, 1223, 678 } }, 436 { { 333, 760, 935, 1638, 1010, 529, 1646, 1410, 1472, 2219 }, 437 { 512, 494, 750, 1160, 1215, 610, 1870, 1868, 1628, 1169 }, 438 { 572, 646, 492, 1934, 1208, 603, 1580, 1099, 1398, 1995 }, 439 { 786, 789, 942, 581, 1018, 951, 1599, 1207, 731, 768 }, 440 { 690, 1015, 672, 1078, 582, 504, 1693, 1438, 1108, 2897 }, 441 { 768, 1267, 571, 2005, 1243, 244, 2881, 1380, 1786, 1453 }, 442 { 452, 899, 1293, 903, 1311, 3100, 465, 1311, 1319, 813 }, 443 { 394, 927, 942, 1103, 1358, 1104, 946, 593, 1363, 1109 }, 444 { 559, 1005, 1007, 1016, 658, 1173, 1021, 1164, 623, 1028 }, 445 { 564, 796, 632, 1005, 1014, 863, 2316, 1268, 938, 764 } }, 446 { { 266, 606, 1098, 1228, 1497, 1243, 948, 1030, 1734, 1461 }, 447 { 366, 585, 901, 1060, 1407, 1247, 876, 1134, 1620, 1054 }, 448 { 452, 565, 542, 1729, 1479, 1479, 1016, 886, 2938, 1150 }, 449 { 555, 1088, 1533, 950, 1354, 895, 834, 1019, 1021, 496 }, 450 { 704, 815, 1193, 971, 973, 640, 1217, 2214, 832, 578 }, 451 { 672, 1245, 579, 871, 875, 774, 872, 1273, 1027, 949 }, 452 { 296, 1134, 2050, 1784, 1636, 3425, 442, 1550, 2076, 722 }, 453 { 342, 982, 1259, 1846, 1848, 1848, 622, 568, 1847, 1052 }, 454 { 555, 1064, 1304, 828, 746, 1343, 1075, 1329, 1078, 494 }, 455 { 288, 1167, 1285, 1174, 1639, 1639, 833, 2254, 1304, 509 } }, 456 { { 342, 719, 767, 1866, 1757, 1270, 1246, 550, 1746, 2151 }, 457 { 483, 653, 694, 1509, 1459, 1410, 1218, 507, 1914, 1266 }, 458 { 488, 757, 447, 2979, 1813, 1268, 1654, 539, 1849, 2109 }, 459 { 522, 1097, 1085, 851, 1365, 1111, 851, 901, 961, 605 }, 460 { 709, 716, 841, 728, 736, 945, 941, 862, 2845, 1057 }, 461 { 512, 1323, 500, 1336, 1083, 681, 1342, 717, 1604, 1350 }, 462 { 452, 1155, 1372, 1900, 1501, 3290, 311, 944, 1919, 922 }, 463 { 403, 1520, 977, 2132, 1733, 3522, 1076, 276, 3335, 1547 }, 464 { 559, 1374, 1101, 615, 673, 2462, 974, 795, 984, 984 }, 465 { 547, 1122, 1062, 812, 1410, 951, 1140, 622, 1268, 651 } }, 466 { { 165, 982, 1235, 938, 1334, 1366, 1659, 1578, 964, 1612 }, 467 { 592, 422, 925, 847, 1139, 1112, 1387, 2036, 861, 1041 }, 468 { 403, 837, 732, 770, 941, 1658, 1250, 809, 1407, 1407 }, 469 { 896, 874, 1071, 381, 1568, 1722, 1437, 2192, 480, 1035 }, 470 { 640, 1098, 1012, 1032, 684, 1382, 1581, 2106, 416, 865 }, 471 { 559, 1005, 819, 914, 710, 770, 1418, 920, 838, 1435 }, 472 { 415, 1258, 1245, 870, 1278, 3067, 770, 1021, 1287, 522 }, 473 { 406, 990, 601, 1009, 1265, 1265, 1267, 759, 1017, 1277 }, 474 { 968, 1182, 1329, 788, 1032, 1292, 1705, 1714, 203, 1403 }, 475 { 732, 877, 1279, 471, 901, 1161, 1545, 1294, 755, 755 } }, 476 { { 111, 931, 1378, 1185, 1933, 1648, 1148, 1714, 1873, 1307 }, 477 { 406, 414, 1030, 1023, 1910, 1404, 1313, 1647, 1509, 793 }, 478 { 342, 640, 575, 1088, 1241, 1349, 1161, 1350, 1756, 1502 }, 479 { 559, 766, 1185, 357, 1682, 1428, 1329, 1897, 1219, 802 }, 480 { 473, 909, 1164, 771, 719, 2508, 1427, 1432, 722, 782 }, 481 { 342, 892, 785, 1145, 1150, 794, 1296, 1550, 973, 1057 }, 482 { 208, 1036, 1326, 1343, 1606, 3395, 815, 1455, 1618, 712 }, 483 { 228, 928, 890, 1046, 3499, 1711, 994, 829, 1720, 1318 }, 484 { 768, 724, 1058, 636, 991, 1075, 1319, 1324, 616, 825 }, 485 { 305, 1167, 1358, 899, 1587, 1587, 987, 1988, 1332, 501 } } 486 }; 487 488 //------------------------------------------------------------------------------ 489