/src/libwebp/src/dsp/cost.c
Line | Count | Source |
1 | | // Copyright 2014 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 | | // Author: Skal (pascal.massimino@gmail.com) |
11 | | |
12 | | #include <assert.h> |
13 | | #include <stddef.h> |
14 | | #include <stdlib.h> |
15 | | |
16 | | #include "src/dsp/cpu.h" |
17 | | #include "src/dsp/dsp.h" |
18 | | #include "src/enc/cost_enc.h" |
19 | | #include "src/enc/vp8i_enc.h" |
20 | | #include "src/webp/types.h" |
21 | | |
22 | | //------------------------------------------------------------------------------ |
23 | | // Boolean-cost cost table |
24 | | |
25 | | const uint16_t VP8EntropyCost[256] = { |
26 | | 1792, 1792, 1792, 1536, 1536, 1408, 1366, 1280, 1280, 1216, 1178, 1152, |
27 | | 1110, 1076, 1061, 1024, 1024, 992, 968, 951, 939, 911, 896, 878, |
28 | | 871, 854, 838, 820, 811, 794, 786, 768, 768, 752, 740, 732, |
29 | | 720, 709, 704, 690, 683, 672, 666, 655, 647, 640, 631, 622, |
30 | | 615, 607, 598, 592, 586, 576, 572, 564, 559, 555, 547, 541, |
31 | | 534, 528, 522, 512, 512, 504, 500, 494, 488, 483, 477, 473, |
32 | | 467, 461, 458, 452, 448, 443, 438, 434, 427, 424, 419, 415, |
33 | | 410, 406, 403, 399, 394, 390, 384, 384, 377, 374, 370, 366, |
34 | | 362, 359, 355, 351, 347, 342, 342, 336, 333, 330, 326, 323, |
35 | | 320, 316, 312, 308, 305, 302, 299, 296, 293, 288, 287, 283, |
36 | | 280, 277, 274, 272, 268, 266, 262, 256, 256, 256, 251, 248, |
37 | | 245, 242, 240, 237, 234, 232, 228, 226, 223, 221, 218, 216, |
38 | | 214, 211, 208, 205, 203, 201, 198, 196, 192, 191, 188, 187, |
39 | | 183, 181, 179, 176, 175, 171, 171, 168, 165, 163, 160, 159, |
40 | | 156, 154, 152, 150, 148, 146, 144, 142, 139, 138, 135, 133, |
41 | | 131, 128, 128, 125, 123, 121, 119, 117, 115, 113, 111, 110, |
42 | | 107, 105, 103, 102, 100, 98, 96, 94, 92, 91, 89, 86, |
43 | | 86, 83, 82, 80, 77, 76, 74, 73, 71, 69, 67, 66, |
44 | | 64, 63, 61, 59, 57, 55, 54, 52, 51, 49, 47, 46, |
45 | | 44, 43, 41, 40, 38, 36, 35, 33, 32, 30, 29, 27, |
46 | | 25, 24, 22, 21, 19, 18, 16, 15, 13, 12, 10, 9, |
47 | | 7, 6, 4, 3}; |
48 | | |
49 | | //------------------------------------------------------------------------------ |
50 | | // Level cost tables |
51 | | |
52 | | // fixed costs for coding levels, deduce from the coding tree. |
53 | | // This is only the part that doesn't depend on the probability state. |
54 | | const uint16_t VP8LevelFixedCosts[MAX_LEVEL + 1] = { |
55 | | 0, 256, 256, 256, 256, 432, 618, 630, 731, 640, 640, 828, |
56 | | 901, 948, 1021, 1101, 1174, 1221, 1294, 1042, 1085, 1115, 1158, 1202, |
57 | | 1245, 1275, 1318, 1337, 1380, 1410, 1453, 1497, 1540, 1570, 1613, 1280, |
58 | | 1295, 1317, 1332, 1358, 1373, 1395, 1410, 1454, 1469, 1491, 1506, 1532, |
59 | | 1547, 1569, 1584, 1601, 1616, 1638, 1653, 1679, 1694, 1716, 1731, 1775, |
60 | | 1790, 1812, 1827, 1853, 1868, 1890, 1905, 1727, 1733, 1742, 1748, 1759, |
61 | | 1765, 1774, 1780, 1800, 1806, 1815, 1821, 1832, 1838, 1847, 1853, 1878, |
62 | | 1884, 1893, 1899, 1910, 1916, 1925, 1931, 1951, 1957, 1966, 1972, 1983, |
63 | | 1989, 1998, 2004, 2027, 2033, 2042, 2048, 2059, 2065, 2074, 2080, 2100, |
64 | | 2106, 2115, 2121, 2132, 2138, 2147, 2153, 2178, 2184, 2193, 2199, 2210, |
65 | | 2216, 2225, 2231, 2251, 2257, 2266, 2272, 2283, 2289, 2298, 2304, 2168, |
66 | | 2174, 2183, 2189, 2200, 2206, 2215, 2221, 2241, 2247, 2256, 2262, 2273, |
67 | | 2279, 2288, 2294, 2319, 2325, 2334, 2340, 2351, 2357, 2366, 2372, 2392, |
68 | | 2398, 2407, 2413, 2424, 2430, 2439, 2445, 2468, 2474, 2483, 2489, 2500, |
69 | | 2506, 2515, 2521, 2541, 2547, 2556, 2562, 2573, 2579, 2588, 2594, 2619, |
70 | | 2625, 2634, 2640, 2651, 2657, 2666, 2672, 2692, 2698, 2707, 2713, 2724, |
71 | | 2730, 2739, 2745, 2540, 2546, 2555, 2561, 2572, 2578, 2587, 2593, 2613, |
72 | | 2619, 2628, 2634, 2645, 2651, 2660, 2666, 2691, 2697, 2706, 2712, 2723, |
73 | | 2729, 2738, 2744, 2764, 2770, 2779, 2785, 2796, 2802, 2811, 2817, 2840, |
74 | | 2846, 2855, 2861, 2872, 2878, 2887, 2893, 2913, 2919, 2928, 2934, 2945, |
75 | | 2951, 2960, 2966, 2991, 2997, 3006, 3012, 3023, 3029, 3038, 3044, 3064, |
76 | | 3070, 3079, 3085, 3096, 3102, 3111, 3117, 2981, 2987, 2996, 3002, 3013, |
77 | | 3019, 3028, 3034, 3054, 3060, 3069, 3075, 3086, 3092, 3101, 3107, 3132, |
78 | | 3138, 3147, 3153, 3164, 3170, 3179, 3185, 3205, 3211, 3220, 3226, 3237, |
79 | | 3243, 3252, 3258, 3281, 3287, 3296, 3302, 3313, 3319, 3328, 3334, 3354, |
80 | | 3360, 3369, 3375, 3386, 3392, 3401, 3407, 3432, 3438, 3447, 3453, 3464, |
81 | | 3470, 3479, 3485, 3505, 3511, 3520, 3526, 3537, 3543, 3552, 3558, 2816, |
82 | | 2822, 2831, 2837, 2848, 2854, 2863, 2869, 2889, 2895, 2904, 2910, 2921, |
83 | | 2927, 2936, 2942, 2967, 2973, 2982, 2988, 2999, 3005, 3014, 3020, 3040, |
84 | | 3046, 3055, 3061, 3072, 3078, 3087, 3093, 3116, 3122, 3131, 3137, 3148, |
85 | | 3154, 3163, 3169, 3189, 3195, 3204, 3210, 3221, 3227, 3236, 3242, 3267, |
86 | | 3273, 3282, 3288, 3299, 3305, 3314, 3320, 3340, 3346, 3355, 3361, 3372, |
87 | | 3378, 3387, 3393, 3257, 3263, 3272, 3278, 3289, 3295, 3304, 3310, 3330, |
88 | | 3336, 3345, 3351, 3362, 3368, 3377, 3383, 3408, 3414, 3423, 3429, 3440, |
89 | | 3446, 3455, 3461, 3481, 3487, 3496, 3502, 3513, 3519, 3528, 3534, 3557, |
90 | | 3563, 3572, 3578, 3589, 3595, 3604, 3610, 3630, 3636, 3645, 3651, 3662, |
91 | | 3668, 3677, 3683, 3708, 3714, 3723, 3729, 3740, 3746, 3755, 3761, 3781, |
92 | | 3787, 3796, 3802, 3813, 3819, 3828, 3834, 3629, 3635, 3644, 3650, 3661, |
93 | | 3667, 3676, 3682, 3702, 3708, 3717, 3723, 3734, 3740, 3749, 3755, 3780, |
94 | | 3786, 3795, 3801, 3812, 3818, 3827, 3833, 3853, 3859, 3868, 3874, 3885, |
95 | | 3891, 3900, 3906, 3929, 3935, 3944, 3950, 3961, 3967, 3976, 3982, 4002, |
96 | | 4008, 4017, 4023, 4034, 4040, 4049, 4055, 4080, 4086, 4095, 4101, 4112, |
97 | | 4118, 4127, 4133, 4153, 4159, 4168, 4174, 4185, 4191, 4200, 4206, 4070, |
98 | | 4076, 4085, 4091, 4102, 4108, 4117, 4123, 4143, 4149, 4158, 4164, 4175, |
99 | | 4181, 4190, 4196, 4221, 4227, 4236, 4242, 4253, 4259, 4268, 4274, 4294, |
100 | | 4300, 4309, 4315, 4326, 4332, 4341, 4347, 4370, 4376, 4385, 4391, 4402, |
101 | | 4408, 4417, 4423, 4443, 4449, 4458, 4464, 4475, 4481, 4490, 4496, 4521, |
102 | | 4527, 4536, 4542, 4553, 4559, 4568, 4574, 4594, 4600, 4609, 4615, 4626, |
103 | | 4632, 4641, 4647, 3515, 3521, 3530, 3536, 3547, 3553, 3562, 3568, 3588, |
104 | | 3594, 3603, 3609, 3620, 3626, 3635, 3641, 3666, 3672, 3681, 3687, 3698, |
105 | | 3704, 3713, 3719, 3739, 3745, 3754, 3760, 3771, 3777, 3786, 3792, 3815, |
106 | | 3821, 3830, 3836, 3847, 3853, 3862, 3868, 3888, 3894, 3903, 3909, 3920, |
107 | | 3926, 3935, 3941, 3966, 3972, 3981, 3987, 3998, 4004, 4013, 4019, 4039, |
108 | | 4045, 4054, 4060, 4071, 4077, 4086, 4092, 3956, 3962, 3971, 3977, 3988, |
109 | | 3994, 4003, 4009, 4029, 4035, 4044, 4050, 4061, 4067, 4076, 4082, 4107, |
110 | | 4113, 4122, 4128, 4139, 4145, 4154, 4160, 4180, 4186, 4195, 4201, 4212, |
111 | | 4218, 4227, 4233, 4256, 4262, 4271, 4277, 4288, 4294, 4303, 4309, 4329, |
112 | | 4335, 4344, 4350, 4361, 4367, 4376, 4382, 4407, 4413, 4422, 4428, 4439, |
113 | | 4445, 4454, 4460, 4480, 4486, 4495, 4501, 4512, 4518, 4527, 4533, 4328, |
114 | | 4334, 4343, 4349, 4360, 4366, 4375, 4381, 4401, 4407, 4416, 4422, 4433, |
115 | | 4439, 4448, 4454, 4479, 4485, 4494, 4500, 4511, 4517, 4526, 4532, 4552, |
116 | | 4558, 4567, 4573, 4584, 4590, 4599, 4605, 4628, 4634, 4643, 4649, 4660, |
117 | | 4666, 4675, 4681, 4701, 4707, 4716, 4722, 4733, 4739, 4748, 4754, 4779, |
118 | | 4785, 4794, 4800, 4811, 4817, 4826, 4832, 4852, 4858, 4867, 4873, 4884, |
119 | | 4890, 4899, 4905, 4769, 4775, 4784, 4790, 4801, 4807, 4816, 4822, 4842, |
120 | | 4848, 4857, 4863, 4874, 4880, 4889, 4895, 4920, 4926, 4935, 4941, 4952, |
121 | | 4958, 4967, 4973, 4993, 4999, 5008, 5014, 5025, 5031, 5040, 5046, 5069, |
122 | | 5075, 5084, 5090, 5101, 5107, 5116, 5122, 5142, 5148, 5157, 5163, 5174, |
123 | | 5180, 5189, 5195, 5220, 5226, 5235, 5241, 5252, 5258, 5267, 5273, 5293, |
124 | | 5299, 5308, 5314, 5325, 5331, 5340, 5346, 4604, 4610, 4619, 4625, 4636, |
125 | | 4642, 4651, 4657, 4677, 4683, 4692, 4698, 4709, 4715, 4724, 4730, 4755, |
126 | | 4761, 4770, 4776, 4787, 4793, 4802, 4808, 4828, 4834, 4843, 4849, 4860, |
127 | | 4866, 4875, 4881, 4904, 4910, 4919, 4925, 4936, 4942, 4951, 4957, 4977, |
128 | | 4983, 4992, 4998, 5009, 5015, 5024, 5030, 5055, 5061, 5070, 5076, 5087, |
129 | | 5093, 5102, 5108, 5128, 5134, 5143, 5149, 5160, 5166, 5175, 5181, 5045, |
130 | | 5051, 5060, 5066, 5077, 5083, 5092, 5098, 5118, 5124, 5133, 5139, 5150, |
131 | | 5156, 5165, 5171, 5196, 5202, 5211, 5217, 5228, 5234, 5243, 5249, 5269, |
132 | | 5275, 5284, 5290, 5301, 5307, 5316, 5322, 5345, 5351, 5360, 5366, 5377, |
133 | | 5383, 5392, 5398, 5418, 5424, 5433, 5439, 5450, 5456, 5465, 5471, 5496, |
134 | | 5502, 5511, 5517, 5528, 5534, 5543, 5549, 5569, 5575, 5584, 5590, 5601, |
135 | | 5607, 5616, 5622, 5417, 5423, 5432, 5438, 5449, 5455, 5464, 5470, 5490, |
136 | | 5496, 5505, 5511, 5522, 5528, 5537, 5543, 5568, 5574, 5583, 5589, 5600, |
137 | | 5606, 5615, 5621, 5641, 5647, 5656, 5662, 5673, 5679, 5688, 5694, 5717, |
138 | | 5723, 5732, 5738, 5749, 5755, 5764, 5770, 5790, 5796, 5805, 5811, 5822, |
139 | | 5828, 5837, 5843, 5868, 5874, 5883, 5889, 5900, 5906, 5915, 5921, 5941, |
140 | | 5947, 5956, 5962, 5973, 5979, 5988, 5994, 5858, 5864, 5873, 5879, 5890, |
141 | | 5896, 5905, 5911, 5931, 5937, 5946, 5952, 5963, 5969, 5978, 5984, 6009, |
142 | | 6015, 6024, 6030, 6041, 6047, 6056, 6062, 6082, 6088, 6097, 6103, 6114, |
143 | | 6120, 6129, 6135, 6158, 6164, 6173, 6179, 6190, 6196, 6205, 6211, 6231, |
144 | | 6237, 6246, 6252, 6263, 6269, 6278, 6284, 6309, 6315, 6324, 6330, 6341, |
145 | | 6347, 6356, 6362, 6382, 6388, 6397, 6403, 6414, 6420, 6429, 6435, 3515, |
146 | | 3521, 3530, 3536, 3547, 3553, 3562, 3568, 3588, 3594, 3603, 3609, 3620, |
147 | | 3626, 3635, 3641, 3666, 3672, 3681, 3687, 3698, 3704, 3713, 3719, 3739, |
148 | | 3745, 3754, 3760, 3771, 3777, 3786, 3792, 3815, 3821, 3830, 3836, 3847, |
149 | | 3853, 3862, 3868, 3888, 3894, 3903, 3909, 3920, 3926, 3935, 3941, 3966, |
150 | | 3972, 3981, 3987, 3998, 4004, 4013, 4019, 4039, 4045, 4054, 4060, 4071, |
151 | | 4077, 4086, 4092, 3956, 3962, 3971, 3977, 3988, 3994, 4003, 4009, 4029, |
152 | | 4035, 4044, 4050, 4061, 4067, 4076, 4082, 4107, 4113, 4122, 4128, 4139, |
153 | | 4145, 4154, 4160, 4180, 4186, 4195, 4201, 4212, 4218, 4227, 4233, 4256, |
154 | | 4262, 4271, 4277, 4288, 4294, 4303, 4309, 4329, 4335, 4344, 4350, 4361, |
155 | | 4367, 4376, 4382, 4407, 4413, 4422, 4428, 4439, 4445, 4454, 4460, 4480, |
156 | | 4486, 4495, 4501, 4512, 4518, 4527, 4533, 4328, 4334, 4343, 4349, 4360, |
157 | | 4366, 4375, 4381, 4401, 4407, 4416, 4422, 4433, 4439, 4448, 4454, 4479, |
158 | | 4485, 4494, 4500, 4511, 4517, 4526, 4532, 4552, 4558, 4567, 4573, 4584, |
159 | | 4590, 4599, 4605, 4628, 4634, 4643, 4649, 4660, 4666, 4675, 4681, 4701, |
160 | | 4707, 4716, 4722, 4733, 4739, 4748, 4754, 4779, 4785, 4794, 4800, 4811, |
161 | | 4817, 4826, 4832, 4852, 4858, 4867, 4873, 4884, 4890, 4899, 4905, 4769, |
162 | | 4775, 4784, 4790, 4801, 4807, 4816, 4822, 4842, 4848, 4857, 4863, 4874, |
163 | | 4880, 4889, 4895, 4920, 4926, 4935, 4941, 4952, 4958, 4967, 4973, 4993, |
164 | | 4999, 5008, 5014, 5025, 5031, 5040, 5046, 5069, 5075, 5084, 5090, 5101, |
165 | | 5107, 5116, 5122, 5142, 5148, 5157, 5163, 5174, 5180, 5189, 5195, 5220, |
166 | | 5226, 5235, 5241, 5252, 5258, 5267, 5273, 5293, 5299, 5308, 5314, 5325, |
167 | | 5331, 5340, 5346, 4604, 4610, 4619, 4625, 4636, 4642, 4651, 4657, 4677, |
168 | | 4683, 4692, 4698, 4709, 4715, 4724, 4730, 4755, 4761, 4770, 4776, 4787, |
169 | | 4793, 4802, 4808, 4828, 4834, 4843, 4849, 4860, 4866, 4875, 4881, 4904, |
170 | | 4910, 4919, 4925, 4936, 4942, 4951, 4957, 4977, 4983, 4992, 4998, 5009, |
171 | | 5015, 5024, 5030, 5055, 5061, 5070, 5076, 5087, 5093, 5102, 5108, 5128, |
172 | | 5134, 5143, 5149, 5160, 5166, 5175, 5181, 5045, 5051, 5060, 5066, 5077, |
173 | | 5083, 5092, 5098, 5118, 5124, 5133, 5139, 5150, 5156, 5165, 5171, 5196, |
174 | | 5202, 5211, 5217, 5228, 5234, 5243, 5249, 5269, 5275, 5284, 5290, 5301, |
175 | | 5307, 5316, 5322, 5345, 5351, 5360, 5366, 5377, 5383, 5392, 5398, 5418, |
176 | | 5424, 5433, 5439, 5450, 5456, 5465, 5471, 5496, 5502, 5511, 5517, 5528, |
177 | | 5534, 5543, 5549, 5569, 5575, 5584, 5590, 5601, 5607, 5616, 5622, 5417, |
178 | | 5423, 5432, 5438, 5449, 5455, 5464, 5470, 5490, 5496, 5505, 5511, 5522, |
179 | | 5528, 5537, 5543, 5568, 5574, 5583, 5589, 5600, 5606, 5615, 5621, 5641, |
180 | | 5647, 5656, 5662, 5673, 5679, 5688, 5694, 5717, 5723, 5732, 5738, 5749, |
181 | | 5755, 5764, 5770, 5790, 5796, 5805, 5811, 5822, 5828, 5837, 5843, 5868, |
182 | | 5874, 5883, 5889, 5900, 5906, 5915, 5921, 5941, 5947, 5956, 5962, 5973, |
183 | | 5979, 5988, 5994, 5858, 5864, 5873, 5879, 5890, 5896, 5905, 5911, 5931, |
184 | | 5937, 5946, 5952, 5963, 5969, 5978, 5984, 6009, 6015, 6024, 6030, 6041, |
185 | | 6047, 6056, 6062, 6082, 6088, 6097, 6103, 6114, 6120, 6129, 6135, 6158, |
186 | | 6164, 6173, 6179, 6190, 6196, 6205, 6211, 6231, 6237, 6246, 6252, 6263, |
187 | | 6269, 6278, 6284, 6309, 6315, 6324, 6330, 6341, 6347, 6356, 6362, 6382, |
188 | | 6388, 6397, 6403, 6414, 6420, 6429, 6435, 5303, 5309, 5318, 5324, 5335, |
189 | | 5341, 5350, 5356, 5376, 5382, 5391, 5397, 5408, 5414, 5423, 5429, 5454, |
190 | | 5460, 5469, 5475, 5486, 5492, 5501, 5507, 5527, 5533, 5542, 5548, 5559, |
191 | | 5565, 5574, 5580, 5603, 5609, 5618, 5624, 5635, 5641, 5650, 5656, 5676, |
192 | | 5682, 5691, 5697, 5708, 5714, 5723, 5729, 5754, 5760, 5769, 5775, 5786, |
193 | | 5792, 5801, 5807, 5827, 5833, 5842, 5848, 5859, 5865, 5874, 5880, 5744, |
194 | | 5750, 5759, 5765, 5776, 5782, 5791, 5797, 5817, 5823, 5832, 5838, 5849, |
195 | | 5855, 5864, 5870, 5895, 5901, 5910, 5916, 5927, 5933, 5942, 5948, 5968, |
196 | | 5974, 5983, 5989, 6000, 6006, 6015, 6021, 6044, 6050, 6059, 6065, 6076, |
197 | | 6082, 6091, 6097, 6117, 6123, 6132, 6138, 6149, 6155, 6164, 6170, 6195, |
198 | | 6201, 6210, 6216, 6227, 6233, 6242, 6248, 6268, 6274, 6283, 6289, 6300, |
199 | | 6306, 6315, 6321, 6116, 6122, 6131, 6137, 6148, 6154, 6163, 6169, 6189, |
200 | | 6195, 6204, 6210, 6221, 6227, 6236, 6242, 6267, 6273, 6282, 6288, 6299, |
201 | | 6305, 6314, 6320, 6340, 6346, 6355, 6361, 6372, 6378, 6387, 6393, 6416, |
202 | | 6422, 6431, 6437, 6448, 6454, 6463, 6469, 6489, 6495, 6504, 6510, 6521, |
203 | | 6527, 6536, 6542, 6567, 6573, 6582, 6588, 6599, 6605, 6614, 6620, 6640, |
204 | | 6646, 6655, 6661, 6672, 6678, 6687, 6693, 6557, 6563, 6572, 6578, 6589, |
205 | | 6595, 6604, 6610, 6630, 6636, 6645, 6651, 6662, 6668, 6677, 6683, 6708, |
206 | | 6714, 6723, 6729, 6740, 6746, 6755, 6761, 6781, 6787, 6796, 6802, 6813, |
207 | | 6819, 6828, 6834, 6857, 6863, 6872, 6878, 6889, 6895, 6904, 6910, 6930, |
208 | | 6936, 6945, 6951, 6962, 6968, 6977, 6983, 7008, 7014, 7023, 7029, 7040, |
209 | | 7046, 7055, 7061, 7081, 7087, 7096, 7102, 7113, 7119, 7128, 7134, 6392, |
210 | | 6398, 6407, 6413, 6424, 6430, 6439, 6445, 6465, 6471, 6480, 6486, 6497, |
211 | | 6503, 6512, 6518, 6543, 6549, 6558, 6564, 6575, 6581, 6590, 6596, 6616, |
212 | | 6622, 6631, 6637, 6648, 6654, 6663, 6669, 6692, 6698, 6707, 6713, 6724, |
213 | | 6730, 6739, 6745, 6765, 6771, 6780, 6786, 6797, 6803, 6812, 6818, 6843, |
214 | | 6849, 6858, 6864, 6875, 6881, 6890, 6896, 6916, 6922, 6931, 6937, 6948, |
215 | | 6954, 6963, 6969, 6833, 6839, 6848, 6854, 6865, 6871, 6880, 6886, 6906, |
216 | | 6912, 6921, 6927, 6938, 6944, 6953, 6959, 6984, 6990, 6999, 7005, 7016, |
217 | | 7022, 7031, 7037, 7057, 7063, 7072, 7078, 7089, 7095, 7104, 7110, 7133, |
218 | | 7139, 7148, 7154, 7165, 7171, 7180, 7186, 7206, 7212, 7221, 7227, 7238, |
219 | | 7244, 7253, 7259, 7284, 7290, 7299, 7305, 7316, 7322, 7331, 7337, 7357, |
220 | | 7363, 7372, 7378, 7389, 7395, 7404, 7410, 7205, 7211, 7220, 7226, 7237, |
221 | | 7243, 7252, 7258, 7278, 7284, 7293, 7299, 7310, 7316, 7325, 7331, 7356, |
222 | | 7362, 7371, 7377, 7388, 7394, 7403, 7409, 7429, 7435, 7444, 7450, 7461, |
223 | | 7467, 7476, 7482, 7505, 7511, 7520, 7526, 7537, 7543, 7552, 7558, 7578, |
224 | | 7584, 7593, 7599, 7610, 7616, 7625, 7631, 7656, 7662, 7671, 7677, 7688, |
225 | | 7694, 7703, 7709, 7729, 7735, 7744, 7750, 7761}; |
226 | | |
227 | | //------------------------------------------------------------------------------ |
228 | | // Tables for level coding |
229 | | |
230 | | const uint8_t VP8EncBands[16 + 1] = { |
231 | | 0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, |
232 | | 0 // sentinel |
233 | | }; |
234 | | |
235 | | //------------------------------------------------------------------------------ |
236 | | // Mode costs |
237 | | |
238 | 0 | static int GetResidualCost_C(int ctx0, const VP8Residual* const res) { |
239 | 0 | int n = res->first; |
240 | | // should be prob[VP8EncBands[n]], but it's equivalent for n=0 or 1 |
241 | 0 | const int p0 = res->prob[n][ctx0][0]; |
242 | 0 | CostArrayPtr const costs = res->costs; |
243 | 0 | const uint16_t* t = costs[n][ctx0]; |
244 | | // bit_cost(1, p0) is already incorporated in t[] tables, but only if ctx != 0 |
245 | | // (as required by the syntax). For ctx0 == 0, we need to add it here or it'll |
246 | | // be missing during the loop. |
247 | 0 | int cost = (ctx0 == 0) ? VP8BitCost(1, p0) : 0; |
248 | |
|
249 | 0 | if (res->last < 0) { |
250 | 0 | return VP8BitCost(0, p0); |
251 | 0 | } |
252 | 0 | for (; n < res->last; ++n) { |
253 | 0 | const int v = abs(res->coeffs[n]); |
254 | 0 | const int ctx = (v >= 2) ? 2 : v; |
255 | 0 | cost += VP8LevelCost(t, v); |
256 | 0 | t = costs[n + 1][ctx]; |
257 | 0 | } |
258 | | // Last coefficient is always non-zero |
259 | 0 | { |
260 | 0 | const int v = abs(res->coeffs[n]); |
261 | 0 | assert(v != 0); |
262 | 0 | cost += VP8LevelCost(t, v); |
263 | 0 | if (n < 15) { |
264 | 0 | const int b = VP8EncBands[n + 1]; |
265 | 0 | const int ctx = (v == 1) ? 1 : 2; |
266 | 0 | const int last_p0 = res->prob[b][ctx][0]; |
267 | 0 | cost += VP8BitCost(0, last_p0); |
268 | 0 | } |
269 | 0 | } |
270 | 0 | return cost; |
271 | 0 | } |
272 | | |
273 | | static void SetResidualCoeffs_C(const int16_t* WEBP_RESTRICT const coeffs, |
274 | 0 | VP8Residual* WEBP_RESTRICT const res) { |
275 | 0 | int n; |
276 | 0 | res->last = -1; |
277 | 0 | assert(res->first == 0 || coeffs[0] == 0); |
278 | 0 | for (n = 15; n >= 0; --n) { |
279 | 0 | if (coeffs[n]) { |
280 | 0 | res->last = n; |
281 | 0 | break; |
282 | 0 | } |
283 | 0 | } |
284 | 0 | res->coeffs = coeffs; |
285 | 0 | } |
286 | | |
287 | | //------------------------------------------------------------------------------ |
288 | | // init function |
289 | | |
290 | | VP8GetResidualCostFunc VP8GetResidualCost; |
291 | | VP8SetResidualCoeffsFunc VP8SetResidualCoeffs; |
292 | | |
293 | | extern VP8CPUInfo VP8GetCPUInfo; |
294 | | extern void VP8EncDspCostInitMIPS32(void); |
295 | | extern void VP8EncDspCostInitMIPSdspR2(void); |
296 | | extern void VP8EncDspCostInitSSE2(void); |
297 | | extern void VP8EncDspCostInitNEON(void); |
298 | | |
299 | 1 | WEBP_DSP_INIT_FUNC(VP8EncDspCostInit) { |
300 | 1 | VP8GetResidualCost = GetResidualCost_C; |
301 | 1 | VP8SetResidualCoeffs = SetResidualCoeffs_C; |
302 | | |
303 | | // If defined, use CPUInfo() to overwrite some pointers with faster versions. |
304 | 1 | if (VP8GetCPUInfo != NULL) { |
305 | | #if defined(WEBP_USE_MIPS32) |
306 | | if (VP8GetCPUInfo(kMIPS32)) { |
307 | | VP8EncDspCostInitMIPS32(); |
308 | | } |
309 | | #endif |
310 | | #if defined(WEBP_USE_MIPS_DSP_R2) |
311 | | if (VP8GetCPUInfo(kMIPSdspR2)) { |
312 | | VP8EncDspCostInitMIPSdspR2(); |
313 | | } |
314 | | #endif |
315 | 1 | #if defined(WEBP_HAVE_SSE2) |
316 | 1 | if (VP8GetCPUInfo(kSSE2)) { |
317 | 1 | VP8EncDspCostInitSSE2(); |
318 | 1 | } |
319 | 1 | #endif |
320 | | #if defined(WEBP_HAVE_NEON) |
321 | | if (VP8GetCPUInfo(kNEON)) { |
322 | | VP8EncDspCostInitNEON(); |
323 | | } |
324 | | #endif |
325 | 1 | } |
326 | 1 | } |
327 | | |
328 | | //------------------------------------------------------------------------------ |