// Copyright 2011 Google Inc. // // This code is licensed under the same terms as WebM: // Software License Agreement: http://www.webmproject.org/license/software/ // Additional IP Rights Grant: http://www.webmproject.org/license/additional/ // ----------------------------------------------------------------------------- // // Cost tables for level and modes // // Author: Skal (pascal.massimino@gmail.com) #include #include "cost.h" #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif //----------------------------------------------------------------------------- // Boolean-cost cost table const uint16_t VP8EntropyCost[256] = { 1792, 1792, 1792, 1536, 1536, 1408, 1366, 1280, 1280, 1216, 1178, 1152, 1110, 1076, 1061, 1024, 1024, 992, 968, 951, 939, 911, 896, 878, 871, 854, 838, 820, 811, 794, 786, 768, 768, 752, 740, 732, 720, 709, 704, 690, 683, 672, 666, 655, 647, 640, 631, 622, 615, 607, 598, 592, 586, 576, 572, 564, 559, 555, 547, 541, 534, 528, 522, 512, 512, 504, 500, 494, 488, 483, 477, 473, 467, 461, 458, 452, 448, 443, 438, 434, 427, 424, 419, 415, 410, 406, 403, 399, 394, 390, 384, 384, 377, 374, 370, 366, 362, 359, 355, 351, 347, 342, 342, 336, 333, 330, 326, 323, 320, 316, 312, 308, 305, 302, 299, 296, 293, 288, 287, 283, 280, 277, 274, 272, 268, 266, 262, 256, 256, 256, 251, 248, 245, 242, 240, 237, 234, 232, 228, 226, 223, 221, 218, 216, 214, 211, 208, 205, 203, 201, 198, 196, 192, 191, 188, 187, 183, 181, 179, 176, 175, 171, 171, 168, 165, 163, 160, 159, 156, 154, 152, 150, 148, 146, 144, 142, 139, 138, 135, 133, 131, 128, 128, 125, 123, 121, 119, 117, 115, 113, 111, 110, 107, 105, 103, 102, 100, 98, 96, 94, 92, 91, 89, 86, 86, 83, 82, 80, 77, 76, 74, 73, 71, 69, 67, 66, 64, 63, 61, 59, 57, 55, 54, 52, 51, 49, 47, 46, 44, 43, 41, 40, 38, 36, 35, 33, 32, 30, 29, 27, 25, 24, 22, 21, 19, 18, 16, 15, 13, 12, 10, 9, 7, 6, 4, 3 }; //----------------------------------------------------------------------------- // Level cost tables // For each given level, the following table given the pattern of contexts // to use for coding it (in [][0]) as well as the bit value to use for // each context (in [][1]). const uint16_t VP8LevelCodes[MAX_VARIABLE_LEVEL][2] = { {0x001, 0x000}, {0x007, 0x001}, {0x00f, 0x005}, {0x00f, 0x00d}, {0x033, 0x003}, {0x033, 0x003}, {0x033, 0x023}, {0x033, 0x023}, {0x033, 0x023}, {0x033, 0x023}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x153} }; // fixed costs for coding levels, deduce from the coding tree. // This is only the part that doesn't depend on the probability state. const uint16_t VP8LevelFixedCosts[2048] = { 0, 256, 256, 256, 256, 432, 618, 630, 731, 640, 640, 828, 901, 948, 1021, 1101, 1174, 1221, 1294, 1042, 1085, 1115, 1158, 1202, 1245, 1275, 1318, 1337, 1380, 1410, 1453, 1497, 1540, 1570, 1613, 1280, 1295, 1317, 1332, 1358, 1373, 1395, 1410, 1454, 1469, 1491, 1506, 1532, 1547, 1569, 1584, 1601, 1616, 1638, 1653, 1679, 1694, 1716, 1731, 1775, 1790, 1812, 1827, 1853, 1868, 1890, 1905, 1727, 1733, 1742, 1748, 1759, 1765, 1774, 1780, 1800, 1806, 1815, 1821, 1832, 1838, 1847, 1853, 1878, 1884, 1893, 1899, 1910, 1916, 1925, 1931, 1951, 1957, 1966, 1972, 1983, 1989, 1998, 2004, 2027, 2033, 2042, 2048, 2059, 2065, 2074, 2080, 2100, 2106, 2115, 2121, 2132, 2138, 2147, 2153, 2178, 2184, 2193, 2199, 2210, 2216, 2225, 2231, 2251, 2257, 2266, 2272, 2283, 2289, 2298, 2304, 2168, 2174, 2183, 2189, 2200, 2206, 2215, 2221, 2241, 2247, 2256, 2262, 2273, 2279, 2288, 2294, 2319, 2325, 2334, 2340, 2351, 2357, 2366, 2372, 2392, 2398, 2407, 2413, 2424, 2430, 2439, 2445, 2468, 2474, 2483, 2489, 2500, 2506, 2515, 2521, 2541, 2547, 2556, 2562, 2573, 2579, 2588, 2594, 2619, 2625, 2634, 2640, 2651, 2657, 2666, 2672, 2692, 2698, 2707, 2713, 2724, 2730, 2739, 2745, 2540, 2546, 2555, 2561, 2572, 2578, 2587, 2593, 2613, 2619, 2628, 2634, 2645, 2651, 2660, 2666, 2691, 2697, 2706, 2712, 2723, 2729, 2738, 2744, 2764, 2770, 2779, 2785, 2796, 2802, 2811, 2817, 2840, 2846, 2855, 2861, 2872, 2878, 2887, 2893, 2913, 2919, 2928, 2934, 2945, 2951, 2960, 2966, 2991, 2997, 3006, 3012, 3023, 3029, 3038, 3044, 3064, 3070, 3079, 3085, 3096, 3102, 3111, 3117, 2981, 2987, 2996, 3002, 3013, 3019, 3028, 3034, 3054, 3060, 3069, 3075, 3086, 3092, 3101, 3107, 3132, 3138, 3147, 3153, 3164, 3170, 3179, 3185, 3205, 3211, 3220, 3226, 3237, 3243, 3252, 3258, 3281, 3287, 3296, 3302, 3313, 3319, 3328, 3334, 3354, 3360, 3369, 3375, 3386, 3392, 3401, 3407, 3432, 3438, 3447, 3453, 3464, 3470, 3479, 3485, 3505, 3511, 3520, 3526, 3537, 3543, 3552, 3558, 2816, 2822, 2831, 2837, 2848, 2854, 2863, 2869, 2889, 2895, 2904, 2910, 2921, 2927, 2936, 2942, 2967, 2973, 2982, 2988, 2999, 3005, 3014, 3020, 3040, 3046, 3055, 3061, 3072, 3078, 3087, 3093, 3116, 3122, 3131, 3137, 3148, 3154, 3163, 3169, 3189, 3195, 3204, 3210, 3221, 3227, 3236, 3242, 3267, 3273, 3282, 3288, 3299, 3305, 3314, 3320, 3340, 3346, 3355, 3361, 3372, 3378, 3387, 3393, 3257, 3263, 3272, 3278, 3289, 3295, 3304, 3310, 3330, 3336, 3345, 3351, 3362, 3368, 3377, 3383, 3408, 3414, 3423, 3429, 3440, 3446, 3455, 3461, 3481, 3487, 3496, 3502, 3513, 3519, 3528, 3534, 3557, 3563, 3572, 3578, 3589, 3595, 3604, 3610, 3630, 3636, 3645, 3651, 3662, 3668, 3677, 3683, 3708, 3714, 3723, 3729, 3740, 3746, 3755, 3761, 3781, 3787, 3796, 3802, 3813, 3819, 3828, 3834, 3629, 3635, 3644, 3650, 3661, 3667, 3676, 3682, 3702, 3708, 3717, 3723, 3734, 3740, 3749, 3755, 3780, 3786, 3795, 3801, 3812, 3818, 3827, 3833, 3853, 3859, 3868, 3874, 3885, 3891, 3900, 3906, 3929, 3935, 3944, 3950, 3961, 3967, 3976, 3982, 4002, 4008, 4017, 4023, 4034, 4040, 4049, 4055, 4080, 4086, 4095, 4101, 4112, 4118, 4127, 4133, 4153, 4159, 4168, 4174, 4185, 4191, 4200, 4206, 4070, 4076, 4085, 4091, 4102, 4108, 4117, 4123, 4143, 4149, 4158, 4164, 4175, 4181, 4190, 4196, 4221, 4227, 4236, 4242, 4253, 4259, 4268, 4274, 4294, 4300, 4309, 4315, 4326, 4332, 4341, 4347, 4370, 4376, 4385, 4391, 4402, 4408, 4417, 4423, 4443, 4449, 4458, 4464, 4475, 4481, 4490, 4496, 4521, 4527, 4536, 4542, 4553, 4559, 4568, 4574, 4594, 4600, 4609, 4615, 4626, 4632, 4641, 4647, 3515, 3521, 3530, 3536, 3547, 3553, 3562, 3568, 3588, 3594, 3603, 3609, 3620, 3626, 3635, 3641, 3666, 3672, 3681, 3687, 3698, 3704, 3713, 3719, 3739, 3745, 3754, 3760, 3771, 3777, 3786, 3792, 3815, 3821, 3830, 3836, 3847, 3853, 3862, 3868, 3888, 3894, 3903, 3909, 3920, 3926, 3935, 3941, 3966, 3972, 3981, 3987, 3998, 4004, 4013, 4019, 4039, 4045, 4054, 4060, 4071, 4077, 4086, 4092, 3956, 3962, 3971, 3977, 3988, 3994, 4003, 4009, 4029, 4035, 4044, 4050, 4061, 4067, 4076, 4082, 4107, 4113, 4122, 4128, 4139, 4145, 4154, 4160, 4180, 4186, 4195, 4201, 4212, 4218, 4227, 4233, 4256, 4262, 4271, 4277, 4288, 4294, 4303, 4309, 4329, 4335, 4344, 4350, 4361, 4367, 4376, 4382, 4407, 4413, 4422, 4428, 4439, 4445, 4454, 4460, 4480, 4486, 4495, 4501, 4512, 4518, 4527, 4533, 4328, 4334, 4343, 4349, 4360, 4366, 4375, 4381, 4401, 4407, 4416, 4422, 4433, 4439, 4448, 4454, 4479, 4485, 4494, 4500, 4511, 4517, 4526, 4532, 4552, 4558, 4567, 4573, 4584, 4590, 4599, 4605, 4628, 4634, 4643, 4649, 4660, 4666, 4675, 4681, 4701, 4707, 4716, 4722, 4733, 4739, 4748, 4754, 4779, 4785, 4794, 4800, 4811, 4817, 4826, 4832, 4852, 4858, 4867, 4873, 4884, 4890, 4899, 4905, 4769, 4775, 4784, 4790, 4801, 4807, 4816, 4822, 4842, 4848, 4857, 4863, 4874, 4880, 4889, 4895, 4920, 4926, 4935, 4941, 4952, 4958, 4967, 4973, 4993, 4999, 5008, 5014, 5025, 5031, 5040, 5046, 5069, 5075, 5084, 5090, 5101, 5107, 5116, 5122, 5142, 5148, 5157, 5163, 5174, 5180, 5189, 5195, 5220, 5226, 5235, 5241, 5252, 5258, 5267, 5273, 5293, 5299, 5308, 5314, 5325, 5331, 5340, 5346, 4604, 4610, 4619, 4625, 4636, 4642, 4651, 4657, 4677, 4683, 4692, 4698, 4709, 4715, 4724, 4730, 4755, 4761, 4770, 4776, 4787, 4793, 4802, 4808, 4828, 4834, 4843, 4849, 4860, 4866, 4875, 4881, 4904, 4910, 4919, 4925, 4936, 4942, 4951, 4957, 4977, 4983, 4992, 4998, 5009, 5015, 5024, 5030, 5055, 5061, 5070, 5076, 5087, 5093, 5102, 5108, 5128, 5134, 5143, 5149, 5160, 5166, 5175, 5181, 5045, 5051, 5060, 5066, 5077, 5083, 5092, 5098, 5118, 5124, 5133, 5139, 5150, 5156, 5165, 5171, 5196, 5202, 5211, 5217, 5228, 5234, 5243, 5249, 5269, 5275, 5284, 5290, 5301, 5307, 5316, 5322, 5345, 5351, 5360, 5366, 5377, 5383, 5392, 5398, 5418, 5424, 5433, 5439, 5450, 5456, 5465, 5471, 5496, 5502, 5511, 5517, 5528, 5534, 5543, 5549, 5569, 5575, 5584, 5590, 5601, 5607, 5616, 5622, 5417, 5423, 5432, 5438, 5449, 5455, 5464, 5470, 5490, 5496, 5505, 5511, 5522, 5528, 5537, 5543, 5568, 5574, 5583, 5589, 5600, 5606, 5615, 5621, 5641, 5647, 5656, 5662, 5673, 5679, 5688, 5694, 5717, 5723, 5732, 5738, 5749, 5755, 5764, 5770, 5790, 5796, 5805, 5811, 5822, 5828, 5837, 5843, 5868, 5874, 5883, 5889, 5900, 5906, 5915, 5921, 5941, 5947, 5956, 5962, 5973, 5979, 5988, 5994, 5858, 5864, 5873, 5879, 5890, 5896, 5905, 5911, 5931, 5937, 5946, 5952, 5963, 5969, 5978, 5984, 6009, 6015, 6024, 6030, 6041, 6047, 6056, 6062, 6082, 6088, 6097, 6103, 6114, 6120, 6129, 6135, 6158, 6164, 6173, 6179, 6190, 6196, 6205, 6211, 6231, 6237, 6246, 6252, 6263, 6269, 6278, 6284, 6309, 6315, 6324, 6330, 6341, 6347, 6356, 6362, 6382, 6388, 6397, 6403, 6414, 6420, 6429, 6435, 3515, 3521, 3530, 3536, 3547, 3553, 3562, 3568, 3588, 3594, 3603, 3609, 3620, 3626, 3635, 3641, 3666, 3672, 3681, 3687, 3698, 3704, 3713, 3719, 3739, 3745, 3754, 3760, 3771, 3777, 3786, 3792, 3815, 3821, 3830, 3836, 3847, 3853, 3862, 3868, 3888, 3894, 3903, 3909, 3920, 3926, 3935, 3941, 3966, 3972, 3981, 3987, 3998, 4004, 4013, 4019, 4039, 4045, 4054, 4060, 4071, 4077, 4086, 4092, 3956, 3962, 3971, 3977, 3988, 3994, 4003, 4009, 4029, 4035, 4044, 4050, 4061, 4067, 4076, 4082, 4107, 4113, 4122, 4128, 4139, 4145, 4154, 4160, 4180, 4186, 4195, 4201, 4212, 4218, 4227, 4233, 4256, 4262, 4271, 4277, 4288, 4294, 4303, 4309, 4329, 4335, 4344, 4350, 4361, 4367, 4376, 4382, 4407, 4413, 4422, 4428, 4439, 4445, 4454, 4460, 4480, 4486, 4495, 4501, 4512, 4518, 4527, 4533, 4328, 4334, 4343, 4349, 4360, 4366, 4375, 4381, 4401, 4407, 4416, 4422, 4433, 4439, 4448, 4454, 4479, 4485, 4494, 4500, 4511, 4517, 4526, 4532, 4552, 4558, 4567, 4573, 4584, 4590, 4599, 4605, 4628, 4634, 4643, 4649, 4660, 4666, 4675, 4681, 4701, 4707, 4716, 4722, 4733, 4739, 4748, 4754, 4779, 4785, 4794, 4800, 4811, 4817, 4826, 4832, 4852, 4858, 4867, 4873, 4884, 4890, 4899, 4905, 4769, 4775, 4784, 4790, 4801, 4807, 4816, 4822, 4842, 4848, 4857, 4863, 4874, 4880, 4889, 4895, 4920, 4926, 4935, 4941, 4952, 4958, 4967, 4973, 4993, 4999, 5008, 5014, 5025, 5031, 5040, 5046, 5069, 5075, 5084, 5090, 5101, 5107, 5116, 5122, 5142, 5148, 5157, 5163, 5174, 5180, 5189, 5195, 5220, 5226, 5235, 5241, 5252, 5258, 5267, 5273, 5293, 5299, 5308, 5314, 5325, 5331, 5340, 5346, 4604, 4610, 4619, 4625, 4636, 4642, 4651, 4657, 4677, 4683, 4692, 4698, 4709, 4715, 4724, 4730, 4755, 4761, 4770, 4776, 4787, 4793, 4802, 4808, 4828, 4834, 4843, 4849, 4860, 4866, 4875, 4881, 4904, 4910, 4919, 4925, 4936, 4942, 4951, 4957, 4977, 4983, 4992, 4998, 5009, 5015, 5024, 5030, 5055, 5061, 5070, 5076, 5087, 5093, 5102, 5108, 5128, 5134, 5143, 5149, 5160, 5166, 5175, 5181, 5045, 5051, 5060, 5066, 5077, 5083, 5092, 5098, 5118, 5124, 5133, 5139, 5150, 5156, 5165, 5171, 5196, 5202, 5211, 5217, 5228, 5234, 5243, 5249, 5269, 5275, 5284, 5290, 5301, 5307, 5316, 5322, 5345, 5351, 5360, 5366, 5377, 5383, 5392, 5398, 5418, 5424, 5433, 5439, 5450, 5456, 5465, 5471, 5496, 5502, 5511, 5517, 5528, 5534, 5543, 5549, 5569, 5575, 5584, 5590, 5601, 5607, 5616, 5622, 5417, 5423, 5432, 5438, 5449, 5455, 5464, 5470, 5490, 5496, 5505, 5511, 5522, 5528, 5537, 5543, 5568, 5574, 5583, 5589, 5600, 5606, 5615, 5621, 5641, 5647, 5656, 5662, 5673, 5679, 5688, 5694, 5717, 5723, 5732, 5738, 5749, 5755, 5764, 5770, 5790, 5796, 5805, 5811, 5822, 5828, 5837, 5843, 5868, 5874, 5883, 5889, 5900, 5906, 5915, 5921, 5941, 5947, 5956, 5962, 5973, 5979, 5988, 5994, 5858, 5864, 5873, 5879, 5890, 5896, 5905, 5911, 5931, 5937, 5946, 5952, 5963, 5969, 5978, 5984, 6009, 6015, 6024, 6030, 6041, 6047, 6056, 6062, 6082, 6088, 6097, 6103, 6114, 6120, 6129, 6135, 6158, 6164, 6173, 6179, 6190, 6196, 6205, 6211, 6231, 6237, 6246, 6252, 6263, 6269, 6278, 6284, 6309, 6315, 6324, 6330, 6341, 6347, 6356, 6362, 6382, 6388, 6397, 6403, 6414, 6420, 6429, 6435, 5303, 5309, 5318, 5324, 5335, 5341, 5350, 5356, 5376, 5382, 5391, 5397, 5408, 5414, 5423, 5429, 5454, 5460, 5469, 5475, 5486, 5492, 5501, 5507, 5527, 5533, 5542, 5548, 5559, 5565, 5574, 5580, 5603, 5609, 5618, 5624, 5635, 5641, 5650, 5656, 5676, 5682, 5691, 5697, 5708, 5714, 5723, 5729, 5754, 5760, 5769, 5775, 5786, 5792, 5801, 5807, 5827, 5833, 5842, 5848, 5859, 5865, 5874, 5880, 5744, 5750, 5759, 5765, 5776, 5782, 5791, 5797, 5817, 5823, 5832, 5838, 5849, 5855, 5864, 5870, 5895, 5901, 5910, 5916, 5927, 5933, 5942, 5948, 5968, 5974, 5983, 5989, 6000, 6006, 6015, 6021, 6044, 6050, 6059, 6065, 6076, 6082, 6091, 6097, 6117, 6123, 6132, 6138, 6149, 6155, 6164, 6170, 6195, 6201, 6210, 6216, 6227, 6233, 6242, 6248, 6268, 6274, 6283, 6289, 6300, 6306, 6315, 6321, 6116, 6122, 6131, 6137, 6148, 6154, 6163, 6169, 6189, 6195, 6204, 6210, 6221, 6227, 6236, 6242, 6267, 6273, 6282, 6288, 6299, 6305, 6314, 6320, 6340, 6346, 6355, 6361, 6372, 6378, 6387, 6393, 6416, 6422, 6431, 6437, 6448, 6454, 6463, 6469, 6489, 6495, 6504, 6510, 6521, 6527, 6536, 6542, 6567, 6573, 6582, 6588, 6599, 6605, 6614, 6620, 6640, 6646, 6655, 6661, 6672, 6678, 6687, 6693, 6557, 6563, 6572, 6578, 6589, 6595, 6604, 6610, 6630, 6636, 6645, 6651, 6662, 6668, 6677, 6683, 6708, 6714, 6723, 6729, 6740, 6746, 6755, 6761, 6781, 6787, 6796, 6802, 6813, 6819, 6828, 6834, 6857, 6863, 6872, 6878, 6889, 6895, 6904, 6910, 6930, 6936, 6945, 6951, 6962, 6968, 6977, 6983, 7008, 7014, 7023, 7029, 7040, 7046, 7055, 7061, 7081, 7087, 7096, 7102, 7113, 7119, 7128, 7134, 6392, 6398, 6407, 6413, 6424, 6430, 6439, 6445, 6465, 6471, 6480, 6486, 6497, 6503, 6512, 6518, 6543, 6549, 6558, 6564, 6575, 6581, 6590, 6596, 6616, 6622, 6631, 6637, 6648, 6654, 6663, 6669, 6692, 6698, 6707, 6713, 6724, 6730, 6739, 6745, 6765, 6771, 6780, 6786, 6797, 6803, 6812, 6818, 6843, 6849, 6858, 6864, 6875, 6881, 6890, 6896, 6916, 6922, 6931, 6937, 6948, 6954, 6963, 6969, 6833, 6839, 6848, 6854, 6865, 6871, 6880, 6886, 6906, 6912, 6921, 6927, 6938, 6944, 6953, 6959, 6984, 6990, 6999, 7005, 7016, 7022, 7031, 7037, 7057, 7063, 7072, 7078, 7089, 7095, 7104, 7110, 7133, 7139, 7148, 7154, 7165, 7171, 7180, 7186, 7206, 7212, 7221, 7227, 7238, 7244, 7253, 7259, 7284, 7290, 7299, 7305, 7316, 7322, 7331, 7337, 7357, 7363, 7372, 7378, 7389, 7395, 7404, 7410, 7205, 7211, 7220, 7226, 7237, 7243, 7252, 7258, 7278, 7284, 7293, 7299, 7310, 7316, 7325, 7331, 7356, 7362, 7371, 7377, 7388, 7394, 7403, 7409, 7429, 7435, 7444, 7450, 7461, 7467, 7476, 7482, 7505, 7511, 7520, 7526, 7537, 7543, 7552, 7558, 7578, 7584, 7593, 7599, 7610, 7616, 7625, 7631, 7656, 7662, 7671, 7677, 7688, 7694, 7703, 7709, 7729, 7735, 7744, 7750, 7761 }; static int VariableLevelCost(int level, const uint8_t probas[NUM_PROBAS]) { int pattern = VP8LevelCodes[level - 1][0]; int bits = VP8LevelCodes[level - 1][1]; int cost = 0; int i; for (i = 2; pattern; ++i) { if (pattern & 1) { cost += VP8BitCost(bits & 1, probas[i]); } bits >>= 1; pattern >>= 1; } return cost; } //----------------------------------------------------------------------------- // Pre-calc level costs once for all void VP8CalculateLevelCosts(VP8Proba* const proba) { int ctype, band, ctx; for (ctype = 0; ctype < NUM_TYPES; ++ctype) { for (band = 0; band < NUM_BANDS; ++band) { for(ctx = 0; ctx < NUM_CTX; ++ctx) { const uint8_t* const p = proba->coeffs_[ctype][band][ctx]; uint16_t* const table = proba->level_cost_[ctype][band][ctx]; const int cost_base = VP8BitCost(1, p[1]); int v; table[0] = VP8BitCost(0, p[1]); for (v = 1; v <= MAX_VARIABLE_LEVEL; ++v) { table[v] = cost_base + VariableLevelCost(v, p); } // Starting at level 67 and up, the variable part of the cost is // actually constant. } } } } //----------------------------------------------------------------------------- // Mode cost tables. // These are the fixed probabilities (in the coding trees) turned into bit-cost // by calling VP8BitCost(). const uint16_t VP8FixedCostsUV[4] = { 302, 984, 439, 642 }; const uint16_t VP8FixedCostsI16[4] = { 663, 919, 872, 919 }; const uint16_t VP8FixedCostsI4[NUM_BMODES][NUM_BMODES][NUM_BMODES] = { { { 251, 1362, 1934, 2085, 2314, 2230, 1839, 1988, 2437, 2348 }, { 403, 680, 1507, 1519, 2060, 2005, 1992, 1914, 1924, 1733 }, { 353, 1121, 973, 1895, 2060, 1787, 1671, 1516, 2012, 1868 }, { 770, 852, 1581, 632, 1393, 1780, 1823, 1936, 1074, 1218 }, { 510, 1270, 1467, 1319, 847, 1279, 1792, 2094, 1080, 1353 }, { 488, 1322, 918, 1573, 1300, 883, 1814, 1752, 1756, 1502 }, { 425, 992, 1820, 1514, 1843, 2440, 937, 1771, 1924, 1129 }, { 363, 1248, 1257, 1970, 2194, 2385, 1569, 953, 1951, 1601 }, { 723, 1257, 1631, 964, 963, 1508, 1697, 1824, 671, 1418 }, { 635, 1038, 1573, 930, 1673, 1413, 1410, 1687, 1410, 749 } }, { { 451, 613, 1345, 1702, 1870, 1716, 1728, 1766, 2190, 2310 }, { 678, 453, 1171, 1443, 1925, 1831, 2045, 1781, 1887, 1602 }, { 711, 666, 674, 1718, 1910, 1493, 1775, 1193, 2325, 2325 }, { 883, 854, 1583, 542, 1800, 1878, 1664, 2149, 1207, 1087 }, { 669, 994, 1248, 1122, 949, 1179, 1376, 1729, 1070, 1244 }, { 715, 1026, 715, 1350, 1430, 930, 1717, 1296, 1479, 1479 }, { 544, 841, 1656, 1450, 2094, 3883, 1010, 1759, 2076, 809 }, { 610, 855, 957, 1553, 2067, 1561, 1704, 824, 2066, 1226 }, { 833, 960, 1416, 819, 1277, 1619, 1501, 1617, 757, 1182 }, { 711, 964, 1252, 879, 1441, 1828, 1508, 1636, 1594, 734 } }, { { 605, 764, 734, 1713, 1747, 1192, 1819, 1353, 1877, 2392 }, { 866, 641, 586, 1622, 2072, 1431, 1888, 1346, 2189, 1764 }, { 901, 851, 456, 2165, 2281, 1405, 1739, 1193, 2183, 2443 }, { 770, 1045, 952, 1078, 1342, 1191, 1436, 1063, 1303, 995 }, { 901, 1086, 727, 1170, 884, 1105, 1267, 1401, 1739, 1337 }, { 951, 1162, 595, 1488, 1388, 703, 1790, 1366, 2057, 1724 }, { 534, 986, 1273, 1987, 3273, 1485, 1024, 1399, 1583, 866 }, { 699, 1182, 695, 1978, 1726, 1986, 1326, 714, 1750, 1672 }, { 951, 1217, 1209, 920, 1062, 1441, 1548, 999, 952, 932 }, { 733, 1284, 784, 1256, 1557, 1098, 1257, 1357, 1414, 908 } }, { { 316, 1075, 1653, 1220, 2145, 2051, 1730, 2131, 1884, 1790 }, { 745, 516, 1404, 894, 1599, 2375, 2013, 2105, 1475, 1381 }, { 516, 729, 1088, 1319, 1637, 3426, 1636, 1275, 1531, 1453 }, { 894, 943, 2138, 468, 1704, 2259, 2069, 1763, 1266, 1158 }, { 605, 1025, 1235, 871, 1170, 1767, 1493, 1500, 1104, 1258 }, { 739, 826, 1207, 1151, 1412, 846, 1305, 2726, 1014, 1569 }, { 558, 825, 1820, 1398, 3344, 1556, 1218, 1550, 1228, 878 }, { 429, 951, 1089, 1816, 3861, 3861, 1556, 969, 1568, 1828 }, { 883, 961, 1752, 769, 1468, 1810, 2081, 2346, 613, 1298 }, { 803, 895, 1372, 641, 1303, 1708, 1686, 1700, 1306, 1033 } }, { { 439, 1267, 1270, 1579, 963, 1193, 1723, 1729, 1198, 1993 }, { 705, 725, 1029, 1153, 1176, 1103, 1821, 1567, 1259, 1574 }, { 723, 859, 802, 1253, 972, 1202, 1407, 1665, 1520, 1674 }, { 894, 960, 1254, 887, 1052, 1607, 1344, 1349, 865, 1150 }, { 833, 1312, 1337, 1205, 572, 1288, 1414, 1529, 1088, 1430 }, { 842, 1279, 1068, 1861, 862, 688, 1861, 1630, 1039, 1381 }, { 766, 938, 1279, 1546, 3338, 1550, 1031, 1542, 1288, 640 }, { 715, 1090, 835, 1609, 1100, 1100, 1603, 1019, 1102, 1617 }, { 894, 1813, 1500, 1188, 789, 1194, 1491, 1919, 617, 1333 }, { 610, 1076, 1644, 1281, 1283, 975, 1179, 1688, 1434, 889 } }, { { 544, 971, 1146, 1849, 1221, 740, 1857, 1621, 1683, 2430 }, { 723, 705, 961, 1371, 1426, 821, 2081, 2079, 1839, 1380 }, { 783, 857, 703, 2145, 1419, 814, 1791, 1310, 1609, 2206 }, { 997, 1000, 1153, 792, 1229, 1162, 1810, 1418, 942, 979 }, { 901, 1226, 883, 1289, 793, 715, 1904, 1649, 1319, 3108 }, { 979, 1478, 782, 2216, 1454, 455, 3092, 1591, 1997, 1664 }, { 663, 1110, 1504, 1114, 1522, 3311, 676, 1522, 1530, 1024 }, { 605, 1138, 1153, 1314, 1569, 1315, 1157, 804, 1574, 1320 }, { 770, 1216, 1218, 1227, 869, 1384, 1232, 1375, 834, 1239 }, { 775, 1007, 843, 1216, 1225, 1074, 2527, 1479, 1149, 975 } }, { { 477, 817, 1309, 1439, 1708, 1454, 1159, 1241, 1945, 1672 }, { 577, 796, 1112, 1271, 1618, 1458, 1087, 1345, 1831, 1265 }, { 663, 776, 753, 1940, 1690, 1690, 1227, 1097, 3149, 1361 }, { 766, 1299, 1744, 1161, 1565, 1106, 1045, 1230, 1232, 707 }, { 915, 1026, 1404, 1182, 1184, 851, 1428, 2425, 1043, 789 }, { 883, 1456, 790, 1082, 1086, 985, 1083, 1484, 1238, 1160 }, { 507, 1345, 2261, 1995, 1847, 3636, 653, 1761, 2287, 933 }, { 553, 1193, 1470, 2057, 2059, 2059, 833, 779, 2058, 1263 }, { 766, 1275, 1515, 1039, 957, 1554, 1286, 1540, 1289, 705 }, { 499, 1378, 1496, 1385, 1850, 1850, 1044, 2465, 1515, 720 } }, { { 553, 930, 978, 2077, 1968, 1481, 1457, 761, 1957, 2362 }, { 694, 864, 905, 1720, 1670, 1621, 1429, 718, 2125, 1477 }, { 699, 968, 658, 3190, 2024, 1479, 1865, 750, 2060, 2320 }, { 733, 1308, 1296, 1062, 1576, 1322, 1062, 1112, 1172, 816 }, { 920, 927, 1052, 939, 947, 1156, 1152, 1073, 3056, 1268 }, { 723, 1534, 711, 1547, 1294, 892, 1553, 928, 1815, 1561 }, { 663, 1366, 1583, 2111, 1712, 3501, 522, 1155, 2130, 1133 }, { 614, 1731, 1188, 2343, 1944, 3733, 1287, 487, 3546, 1758 }, { 770, 1585, 1312, 826, 884, 2673, 1185, 1006, 1195, 1195 }, { 758, 1333, 1273, 1023, 1621, 1162, 1351, 833, 1479, 862 } }, { { 376, 1193, 1446, 1149, 1545, 1577, 1870, 1789, 1175, 1823 }, { 803, 633, 1136, 1058, 1350, 1323, 1598, 2247, 1072, 1252 }, { 614, 1048, 943, 981, 1152, 1869, 1461, 1020, 1618, 1618 }, { 1107, 1085, 1282, 592, 1779, 1933, 1648, 2403, 691, 1246 }, { 851, 1309, 1223, 1243, 895, 1593, 1792, 2317, 627, 1076 }, { 770, 1216, 1030, 1125, 921, 981, 1629, 1131, 1049, 1646 }, { 626, 1469, 1456, 1081, 1489, 3278, 981, 1232, 1498, 733 }, { 617, 1201, 812, 1220, 1476, 1476, 1478, 970, 1228, 1488 }, { 1179, 1393, 1540, 999, 1243, 1503, 1916, 1925, 414, 1614 }, { 943, 1088, 1490, 682, 1112, 1372, 1756, 1505, 966, 966 } }, { { 322, 1142, 1589, 1396, 2144, 1859, 1359, 1925, 2084, 1518 }, { 617, 625, 1241, 1234, 2121, 1615, 1524, 1858, 1720, 1004 }, { 553, 851, 786, 1299, 1452, 1560, 1372, 1561, 1967, 1713 }, { 770, 977, 1396, 568, 1893, 1639, 1540, 2108, 1430, 1013 }, { 684, 1120, 1375, 982, 930, 2719, 1638, 1643, 933, 993 }, { 553, 1103, 996, 1356, 1361, 1005, 1507, 1761, 1184, 1268 }, { 419, 1247, 1537, 1554, 1817, 3606, 1026, 1666, 1829, 923 }, { 439, 1139, 1101, 1257, 3710, 1922, 1205, 1040, 1931, 1529 }, { 979, 935, 1269, 847, 1202, 1286, 1530, 1535, 827, 1036 }, { 516, 1378, 1569, 1110, 1798, 1798, 1198, 2199, 1543, 712 } }, }; //----------------------------------------------------------------------------- #if defined(__cplusplus) || defined(c_plusplus) } // extern "C" #endif