1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "vp9/common/vp9_entropy.h"
12 #include "vp9/common/vp9_blockd.h"
13 #include "vp9/common/vp9_onyxc_int.h"
14 #include "vp9/common/vp9_entropymode.h"
15 #include "vpx_mem/vpx_mem.h"
16 #include "vpx/vpx_integer.h"
17
18
19 const uint8_t vp9_coefband_trans_8x8plus[1024] = {
20 0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4,
21 4, 4, 4, 4, 4, 5,
22 // beyond MAXBAND_INDEX+1 all values are filled as 5
23 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
24 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
25 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
26 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
27 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
28 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
29 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
30 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
31 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
32 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
33 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
34 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
35 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
36 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
37 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
38 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
39 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
40 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
41 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
42 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
43 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
44 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
45 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
46 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
47 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
48 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
49 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
50 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
51 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
52 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
53 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
54 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
55 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
56 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
57 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
58 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
59 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
60 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
61 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
62 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
63 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
64 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
65 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
66 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
67 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
68 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
69 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
70 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
71 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
72 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
73 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
74 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
75 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
76 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
77 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
78 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
79 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
80 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
81 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
82 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
83 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
84 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
85 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
86 };
87
88 const uint8_t vp9_coefband_trans_4x4[16] = {
89 0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 5, 5, 5,
90 };
91
92 const uint8_t vp9_pt_energy_class[ENTROPY_TOKENS] = {
93 0, 1, 2, 3, 3, 4, 4, 5, 5, 5, 5, 5
94 };
95
96 const vp9_tree_index vp9_coefmodel_tree[TREE_SIZE(UNCONSTRAINED_NODES + 1)] = {
97 -EOB_MODEL_TOKEN, 2,
98 -ZERO_TOKEN, 4,
99 -ONE_TOKEN, -TWO_TOKEN,
100 };
101
102 // Model obtained from a 2-sided zero-centerd distribuition derived
103 // from a Pareto distribution. The cdf of the distribution is:
104 // cdf(x) = 0.5 + 0.5 * sgn(x) * [1 - {alpha/(alpha + |x|)} ^ beta]
105 //
106 // For a given beta and a given probablity of the 1-node, the alpha
107 // is first solved, and then the {alpha, beta} pair is used to generate
108 // the probabilities for the rest of the nodes.
109
110 // beta = 8
111
112 // Every odd line in this table can be generated from the even lines
113 // by averaging :
114 // vp9_pareto8_full[l][node] = (vp9_pareto8_full[l-1][node] +
115 // vp9_pareto8_full[l+1][node] ) >> 1;
116 const vp9_prob vp9_pareto8_full[COEFF_PROB_MODELS][MODEL_NODES] = {
117 { 3, 86, 128, 6, 86, 23, 88, 29},
118 { 6, 86, 128, 11, 87, 42, 91, 52},
119 { 9, 86, 129, 17, 88, 61, 94, 76},
120 { 12, 86, 129, 22, 88, 77, 97, 93},
121 { 15, 87, 129, 28, 89, 93, 100, 110},
122 { 17, 87, 129, 33, 90, 105, 103, 123},
123 { 20, 88, 130, 38, 91, 118, 106, 136},
124 { 23, 88, 130, 43, 91, 128, 108, 146},
125 { 26, 89, 131, 48, 92, 139, 111, 156},
126 { 28, 89, 131, 53, 93, 147, 114, 163},
127 { 31, 90, 131, 58, 94, 156, 117, 171},
128 { 34, 90, 131, 62, 94, 163, 119, 177},
129 { 37, 90, 132, 66, 95, 171, 122, 184},
130 { 39, 90, 132, 70, 96, 177, 124, 189},
131 { 42, 91, 132, 75, 97, 183, 127, 194},
132 { 44, 91, 132, 79, 97, 188, 129, 198},
133 { 47, 92, 133, 83, 98, 193, 132, 202},
134 { 49, 92, 133, 86, 99, 197, 134, 205},
135 { 52, 93, 133, 90, 100, 201, 137, 208},
136 { 54, 93, 133, 94, 100, 204, 139, 211},
137 { 57, 94, 134, 98, 101, 208, 142, 214},
138 { 59, 94, 134, 101, 102, 211, 144, 216},
139 { 62, 94, 135, 105, 103, 214, 146, 218},
140 { 64, 94, 135, 108, 103, 216, 148, 220},
141 { 66, 95, 135, 111, 104, 219, 151, 222},
142 { 68, 95, 135, 114, 105, 221, 153, 223},
143 { 71, 96, 136, 117, 106, 224, 155, 225},
144 { 73, 96, 136, 120, 106, 225, 157, 226},
145 { 76, 97, 136, 123, 107, 227, 159, 228},
146 { 78, 97, 136, 126, 108, 229, 160, 229},
147 { 80, 98, 137, 129, 109, 231, 162, 231},
148 { 82, 98, 137, 131, 109, 232, 164, 232},
149 { 84, 98, 138, 134, 110, 234, 166, 233},
150 { 86, 98, 138, 137, 111, 235, 168, 234},
151 { 89, 99, 138, 140, 112, 236, 170, 235},
152 { 91, 99, 138, 142, 112, 237, 171, 235},
153 { 93, 100, 139, 145, 113, 238, 173, 236},
154 { 95, 100, 139, 147, 114, 239, 174, 237},
155 { 97, 101, 140, 149, 115, 240, 176, 238},
156 { 99, 101, 140, 151, 115, 241, 177, 238},
157 {101, 102, 140, 154, 116, 242, 179, 239},
158 {103, 102, 140, 156, 117, 242, 180, 239},
159 {105, 103, 141, 158, 118, 243, 182, 240},
160 {107, 103, 141, 160, 118, 243, 183, 240},
161 {109, 104, 141, 162, 119, 244, 185, 241},
162 {111, 104, 141, 164, 119, 244, 186, 241},
163 {113, 104, 142, 166, 120, 245, 187, 242},
164 {114, 104, 142, 168, 121, 245, 188, 242},
165 {116, 105, 143, 170, 122, 246, 190, 243},
166 {118, 105, 143, 171, 122, 246, 191, 243},
167 {120, 106, 143, 173, 123, 247, 192, 244},
168 {121, 106, 143, 175, 124, 247, 193, 244},
169 {123, 107, 144, 177, 125, 248, 195, 244},
170 {125, 107, 144, 178, 125, 248, 196, 244},
171 {127, 108, 145, 180, 126, 249, 197, 245},
172 {128, 108, 145, 181, 127, 249, 198, 245},
173 {130, 109, 145, 183, 128, 249, 199, 245},
174 {132, 109, 145, 184, 128, 249, 200, 245},
175 {134, 110, 146, 186, 129, 250, 201, 246},
176 {135, 110, 146, 187, 130, 250, 202, 246},
177 {137, 111, 147, 189, 131, 251, 203, 246},
178 {138, 111, 147, 190, 131, 251, 204, 246},
179 {140, 112, 147, 192, 132, 251, 205, 247},
180 {141, 112, 147, 193, 132, 251, 206, 247},
181 {143, 113, 148, 194, 133, 251, 207, 247},
182 {144, 113, 148, 195, 134, 251, 207, 247},
183 {146, 114, 149, 197, 135, 252, 208, 248},
184 {147, 114, 149, 198, 135, 252, 209, 248},
185 {149, 115, 149, 199, 136, 252, 210, 248},
186 {150, 115, 149, 200, 137, 252, 210, 248},
187 {152, 115, 150, 201, 138, 252, 211, 248},
188 {153, 115, 150, 202, 138, 252, 212, 248},
189 {155, 116, 151, 204, 139, 253, 213, 249},
190 {156, 116, 151, 205, 139, 253, 213, 249},
191 {158, 117, 151, 206, 140, 253, 214, 249},
192 {159, 117, 151, 207, 141, 253, 215, 249},
193 {161, 118, 152, 208, 142, 253, 216, 249},
194 {162, 118, 152, 209, 142, 253, 216, 249},
195 {163, 119, 153, 210, 143, 253, 217, 249},
196 {164, 119, 153, 211, 143, 253, 217, 249},
197 {166, 120, 153, 212, 144, 254, 218, 250},
198 {167, 120, 153, 212, 145, 254, 219, 250},
199 {168, 121, 154, 213, 146, 254, 220, 250},
200 {169, 121, 154, 214, 146, 254, 220, 250},
201 {171, 122, 155, 215, 147, 254, 221, 250},
202 {172, 122, 155, 216, 147, 254, 221, 250},
203 {173, 123, 155, 217, 148, 254, 222, 250},
204 {174, 123, 155, 217, 149, 254, 222, 250},
205 {176, 124, 156, 218, 150, 254, 223, 250},
206 {177, 124, 156, 219, 150, 254, 223, 250},
207 {178, 125, 157, 220, 151, 254, 224, 251},
208 {179, 125, 157, 220, 151, 254, 224, 251},
209 {180, 126, 157, 221, 152, 254, 225, 251},
210 {181, 126, 157, 221, 152, 254, 225, 251},
211 {183, 127, 158, 222, 153, 254, 226, 251},
212 {184, 127, 158, 223, 154, 254, 226, 251},
213 {185, 128, 159, 224, 155, 255, 227, 251},
214 {186, 128, 159, 224, 155, 255, 227, 251},
215 {187, 129, 160, 225, 156, 255, 228, 251},
216 {188, 130, 160, 225, 156, 255, 228, 251},
217 {189, 131, 160, 226, 157, 255, 228, 251},
218 {190, 131, 160, 226, 158, 255, 228, 251},
219 {191, 132, 161, 227, 159, 255, 229, 251},
220 {192, 132, 161, 227, 159, 255, 229, 251},
221 {193, 133, 162, 228, 160, 255, 230, 252},
222 {194, 133, 162, 229, 160, 255, 230, 252},
223 {195, 134, 163, 230, 161, 255, 231, 252},
224 {196, 134, 163, 230, 161, 255, 231, 252},
225 {197, 135, 163, 231, 162, 255, 231, 252},
226 {198, 135, 163, 231, 162, 255, 231, 252},
227 {199, 136, 164, 232, 163, 255, 232, 252},
228 {200, 136, 164, 232, 164, 255, 232, 252},
229 {201, 137, 165, 233, 165, 255, 233, 252},
230 {201, 137, 165, 233, 165, 255, 233, 252},
231 {202, 138, 166, 233, 166, 255, 233, 252},
232 {203, 138, 166, 233, 166, 255, 233, 252},
233 {204, 139, 166, 234, 167, 255, 234, 252},
234 {205, 139, 166, 234, 167, 255, 234, 252},
235 {206, 140, 167, 235, 168, 255, 235, 252},
236 {206, 140, 167, 235, 168, 255, 235, 252},
237 {207, 141, 168, 236, 169, 255, 235, 252},
238 {208, 141, 168, 236, 170, 255, 235, 252},
239 {209, 142, 169, 237, 171, 255, 236, 252},
240 {209, 143, 169, 237, 171, 255, 236, 252},
241 {210, 144, 169, 237, 172, 255, 236, 252},
242 {211, 144, 169, 237, 172, 255, 236, 252},
243 {212, 145, 170, 238, 173, 255, 237, 252},
244 {213, 145, 170, 238, 173, 255, 237, 252},
245 {214, 146, 171, 239, 174, 255, 237, 253},
246 {214, 146, 171, 239, 174, 255, 237, 253},
247 {215, 147, 172, 240, 175, 255, 238, 253},
248 {215, 147, 172, 240, 175, 255, 238, 253},
249 {216, 148, 173, 240, 176, 255, 238, 253},
250 {217, 148, 173, 240, 176, 255, 238, 253},
251 {218, 149, 173, 241, 177, 255, 239, 253},
252 {218, 149, 173, 241, 178, 255, 239, 253},
253 {219, 150, 174, 241, 179, 255, 239, 253},
254 {219, 151, 174, 241, 179, 255, 239, 253},
255 {220, 152, 175, 242, 180, 255, 240, 253},
256 {221, 152, 175, 242, 180, 255, 240, 253},
257 {222, 153, 176, 242, 181, 255, 240, 253},
258 {222, 153, 176, 242, 181, 255, 240, 253},
259 {223, 154, 177, 243, 182, 255, 240, 253},
260 {223, 154, 177, 243, 182, 255, 240, 253},
261 {224, 155, 178, 244, 183, 255, 241, 253},
262 {224, 155, 178, 244, 183, 255, 241, 253},
263 {225, 156, 178, 244, 184, 255, 241, 253},
264 {225, 157, 178, 244, 184, 255, 241, 253},
265 {226, 158, 179, 244, 185, 255, 242, 253},
266 {227, 158, 179, 244, 185, 255, 242, 253},
267 {228, 159, 180, 245, 186, 255, 242, 253},
268 {228, 159, 180, 245, 186, 255, 242, 253},
269 {229, 160, 181, 245, 187, 255, 242, 253},
270 {229, 160, 181, 245, 187, 255, 242, 253},
271 {230, 161, 182, 246, 188, 255, 243, 253},
272 {230, 162, 182, 246, 188, 255, 243, 253},
273 {231, 163, 183, 246, 189, 255, 243, 253},
274 {231, 163, 183, 246, 189, 255, 243, 253},
275 {232, 164, 184, 247, 190, 255, 243, 253},
276 {232, 164, 184, 247, 190, 255, 243, 253},
277 {233, 165, 185, 247, 191, 255, 244, 253},
278 {233, 165, 185, 247, 191, 255, 244, 253},
279 {234, 166, 185, 247, 192, 255, 244, 253},
280 {234, 167, 185, 247, 192, 255, 244, 253},
281 {235, 168, 186, 248, 193, 255, 244, 253},
282 {235, 168, 186, 248, 193, 255, 244, 253},
283 {236, 169, 187, 248, 194, 255, 244, 253},
284 {236, 169, 187, 248, 194, 255, 244, 253},
285 {236, 170, 188, 248, 195, 255, 245, 253},
286 {236, 170, 188, 248, 195, 255, 245, 253},
287 {237, 171, 189, 249, 196, 255, 245, 254},
288 {237, 172, 189, 249, 196, 255, 245, 254},
289 {238, 173, 190, 249, 197, 255, 245, 254},
290 {238, 173, 190, 249, 197, 255, 245, 254},
291 {239, 174, 191, 249, 198, 255, 245, 254},
292 {239, 174, 191, 249, 198, 255, 245, 254},
293 {240, 175, 192, 249, 199, 255, 246, 254},
294 {240, 176, 192, 249, 199, 255, 246, 254},
295 {240, 177, 193, 250, 200, 255, 246, 254},
296 {240, 177, 193, 250, 200, 255, 246, 254},
297 {241, 178, 194, 250, 201, 255, 246, 254},
298 {241, 178, 194, 250, 201, 255, 246, 254},
299 {242, 179, 195, 250, 202, 255, 246, 254},
300 {242, 180, 195, 250, 202, 255, 246, 254},
301 {242, 181, 196, 250, 203, 255, 247, 254},
302 {242, 181, 196, 250, 203, 255, 247, 254},
303 {243, 182, 197, 251, 204, 255, 247, 254},
304 {243, 183, 197, 251, 204, 255, 247, 254},
305 {244, 184, 198, 251, 205, 255, 247, 254},
306 {244, 184, 198, 251, 205, 255, 247, 254},
307 {244, 185, 199, 251, 206, 255, 247, 254},
308 {244, 185, 199, 251, 206, 255, 247, 254},
309 {245, 186, 200, 251, 207, 255, 247, 254},
310 {245, 187, 200, 251, 207, 255, 247, 254},
311 {246, 188, 201, 252, 207, 255, 248, 254},
312 {246, 188, 201, 252, 207, 255, 248, 254},
313 {246, 189, 202, 252, 208, 255, 248, 254},
314 {246, 190, 202, 252, 208, 255, 248, 254},
315 {247, 191, 203, 252, 209, 255, 248, 254},
316 {247, 191, 203, 252, 209, 255, 248, 254},
317 {247, 192, 204, 252, 210, 255, 248, 254},
318 {247, 193, 204, 252, 210, 255, 248, 254},
319 {248, 194, 205, 252, 211, 255, 248, 254},
320 {248, 194, 205, 252, 211, 255, 248, 254},
321 {248, 195, 206, 252, 212, 255, 249, 254},
322 {248, 196, 206, 252, 212, 255, 249, 254},
323 {249, 197, 207, 253, 213, 255, 249, 254},
324 {249, 197, 207, 253, 213, 255, 249, 254},
325 {249, 198, 208, 253, 214, 255, 249, 254},
326 {249, 199, 209, 253, 214, 255, 249, 254},
327 {250, 200, 210, 253, 215, 255, 249, 254},
328 {250, 200, 210, 253, 215, 255, 249, 254},
329 {250, 201, 211, 253, 215, 255, 249, 254},
330 {250, 202, 211, 253, 215, 255, 249, 254},
331 {250, 203, 212, 253, 216, 255, 249, 254},
332 {250, 203, 212, 253, 216, 255, 249, 254},
333 {251, 204, 213, 253, 217, 255, 250, 254},
334 {251, 205, 213, 253, 217, 255, 250, 254},
335 {251, 206, 214, 254, 218, 255, 250, 254},
336 {251, 206, 215, 254, 218, 255, 250, 254},
337 {252, 207, 216, 254, 219, 255, 250, 254},
338 {252, 208, 216, 254, 219, 255, 250, 254},
339 {252, 209, 217, 254, 220, 255, 250, 254},
340 {252, 210, 217, 254, 220, 255, 250, 254},
341 {252, 211, 218, 254, 221, 255, 250, 254},
342 {252, 212, 218, 254, 221, 255, 250, 254},
343 {253, 213, 219, 254, 222, 255, 250, 254},
344 {253, 213, 220, 254, 222, 255, 250, 254},
345 {253, 214, 221, 254, 223, 255, 250, 254},
346 {253, 215, 221, 254, 223, 255, 250, 254},
347 {253, 216, 222, 254, 224, 255, 251, 254},
348 {253, 217, 223, 254, 224, 255, 251, 254},
349 {253, 218, 224, 254, 225, 255, 251, 254},
350 {253, 219, 224, 254, 225, 255, 251, 254},
351 {254, 220, 225, 254, 225, 255, 251, 254},
352 {254, 221, 226, 254, 225, 255, 251, 254},
353 {254, 222, 227, 255, 226, 255, 251, 254},
354 {254, 223, 227, 255, 226, 255, 251, 254},
355 {254, 224, 228, 255, 227, 255, 251, 254},
356 {254, 225, 229, 255, 227, 255, 251, 254},
357 {254, 226, 230, 255, 228, 255, 251, 254},
358 {254, 227, 230, 255, 229, 255, 251, 254},
359 {255, 228, 231, 255, 230, 255, 251, 254},
360 {255, 229, 232, 255, 230, 255, 251, 254},
361 {255, 230, 233, 255, 231, 255, 252, 254},
362 {255, 231, 234, 255, 231, 255, 252, 254},
363 {255, 232, 235, 255, 232, 255, 252, 254},
364 {255, 233, 236, 255, 232, 255, 252, 254},
365 {255, 235, 237, 255, 233, 255, 252, 254},
366 {255, 236, 238, 255, 234, 255, 252, 254},
367 {255, 238, 240, 255, 235, 255, 252, 255},
368 {255, 239, 241, 255, 235, 255, 252, 254},
369 {255, 241, 243, 255, 236, 255, 252, 254},
370 {255, 243, 245, 255, 237, 255, 252, 254},
371 {255, 246, 247, 255, 239, 255, 253, 255},
372 {255, 246, 247, 255, 239, 255, 253, 255},
373 };
374
375 static const vp9_coeff_probs_model default_coef_probs_4x4[PLANE_TYPES] = {
376 { // Y plane
377 { // Intra
378 { // Band 0
379 { 195, 29, 183 }, { 84, 49, 136 }, { 8, 42, 71 }
380 }, { // Band 1
381 { 31, 107, 169 }, { 35, 99, 159 }, { 17, 82, 140 },
382 { 8, 66, 114 }, { 2, 44, 76 }, { 1, 19, 32 }
383 }, { // Band 2
384 { 40, 132, 201 }, { 29, 114, 187 }, { 13, 91, 157 },
385 { 7, 75, 127 }, { 3, 58, 95 }, { 1, 28, 47 }
386 }, { // Band 3
387 { 69, 142, 221 }, { 42, 122, 201 }, { 15, 91, 159 },
388 { 6, 67, 121 }, { 1, 42, 77 }, { 1, 17, 31 }
389 }, { // Band 4
390 { 102, 148, 228 }, { 67, 117, 204 }, { 17, 82, 154 },
391 { 6, 59, 114 }, { 2, 39, 75 }, { 1, 15, 29 }
392 }, { // Band 5
393 { 156, 57, 233 }, { 119, 57, 212 }, { 58, 48, 163 },
394 { 29, 40, 124 }, { 12, 30, 81 }, { 3, 12, 31 }
395 }
396 }, { // Inter
397 { // Band 0
398 { 191, 107, 226 }, { 124, 117, 204 }, { 25, 99, 155 }
399 }, { // Band 1
400 { 29, 148, 210 }, { 37, 126, 194 }, { 8, 93, 157 },
401 { 2, 68, 118 }, { 1, 39, 69 }, { 1, 17, 33 }
402 }, { // Band 2
403 { 41, 151, 213 }, { 27, 123, 193 }, { 3, 82, 144 },
404 { 1, 58, 105 }, { 1, 32, 60 }, { 1, 13, 26 }
405 }, { // Band 3
406 { 59, 159, 220 }, { 23, 126, 198 }, { 4, 88, 151 },
407 { 1, 66, 114 }, { 1, 38, 71 }, { 1, 18, 34 }
408 }, { // Band 4
409 { 114, 136, 232 }, { 51, 114, 207 }, { 11, 83, 155 },
410 { 3, 56, 105 }, { 1, 33, 65 }, { 1, 17, 34 }
411 }, { // Band 5
412 { 149, 65, 234 }, { 121, 57, 215 }, { 61, 49, 166 },
413 { 28, 36, 114 }, { 12, 25, 76 }, { 3, 16, 42 }
414 }
415 }
416 }, { // UV plane
417 { // Intra
418 { // Band 0
419 { 214, 49, 220 }, { 132, 63, 188 }, { 42, 65, 137 }
420 }, { // Band 1
421 { 85, 137, 221 }, { 104, 131, 216 }, { 49, 111, 192 },
422 { 21, 87, 155 }, { 2, 49, 87 }, { 1, 16, 28 }
423 }, { // Band 2
424 { 89, 163, 230 }, { 90, 137, 220 }, { 29, 100, 183 },
425 { 10, 70, 135 }, { 2, 42, 81 }, { 1, 17, 33 }
426 }, { // Band 3
427 { 108, 167, 237 }, { 55, 133, 222 }, { 15, 97, 179 },
428 { 4, 72, 135 }, { 1, 45, 85 }, { 1, 19, 38 }
429 }, { // Band 4
430 { 124, 146, 240 }, { 66, 124, 224 }, { 17, 88, 175 },
431 { 4, 58, 122 }, { 1, 36, 75 }, { 1, 18, 37 }
432 }, { // Band 5
433 { 141, 79, 241 }, { 126, 70, 227 }, { 66, 58, 182 },
434 { 30, 44, 136 }, { 12, 34, 96 }, { 2, 20, 47 }
435 }
436 }, { // Inter
437 { // Band 0
438 { 229, 99, 249 }, { 143, 111, 235 }, { 46, 109, 192 }
439 }, { // Band 1
440 { 82, 158, 236 }, { 94, 146, 224 }, { 25, 117, 191 },
441 { 9, 87, 149 }, { 3, 56, 99 }, { 1, 33, 57 }
442 }, { // Band 2
443 { 83, 167, 237 }, { 68, 145, 222 }, { 10, 103, 177 },
444 { 2, 72, 131 }, { 1, 41, 79 }, { 1, 20, 39 }
445 }, { // Band 3
446 { 99, 167, 239 }, { 47, 141, 224 }, { 10, 104, 178 },
447 { 2, 73, 133 }, { 1, 44, 85 }, { 1, 22, 47 }
448 }, { // Band 4
449 { 127, 145, 243 }, { 71, 129, 228 }, { 17, 93, 177 },
450 { 3, 61, 124 }, { 1, 41, 84 }, { 1, 21, 52 }
451 }, { // Band 5
452 { 157, 78, 244 }, { 140, 72, 231 }, { 69, 58, 184 },
453 { 31, 44, 137 }, { 14, 38, 105 }, { 8, 23, 61 }
454 }
455 }
456 }
457 };
458
459 static const vp9_coeff_probs_model default_coef_probs_8x8[PLANE_TYPES] = {
460 { // Y plane
461 { // Intra
462 { // Band 0
463 { 125, 34, 187 }, { 52, 41, 133 }, { 6, 31, 56 }
464 }, { // Band 1
465 { 37, 109, 153 }, { 51, 102, 147 }, { 23, 87, 128 },
466 { 8, 67, 101 }, { 1, 41, 63 }, { 1, 19, 29 }
467 }, { // Band 2
468 { 31, 154, 185 }, { 17, 127, 175 }, { 6, 96, 145 },
469 { 2, 73, 114 }, { 1, 51, 82 }, { 1, 28, 45 }
470 }, { // Band 3
471 { 23, 163, 200 }, { 10, 131, 185 }, { 2, 93, 148 },
472 { 1, 67, 111 }, { 1, 41, 69 }, { 1, 14, 24 }
473 }, { // Band 4
474 { 29, 176, 217 }, { 12, 145, 201 }, { 3, 101, 156 },
475 { 1, 69, 111 }, { 1, 39, 63 }, { 1, 14, 23 }
476 }, { // Band 5
477 { 57, 192, 233 }, { 25, 154, 215 }, { 6, 109, 167 },
478 { 3, 78, 118 }, { 1, 48, 69 }, { 1, 21, 29 }
479 }
480 }, { // Inter
481 { // Band 0
482 { 202, 105, 245 }, { 108, 106, 216 }, { 18, 90, 144 }
483 }, { // Band 1
484 { 33, 172, 219 }, { 64, 149, 206 }, { 14, 117, 177 },
485 { 5, 90, 141 }, { 2, 61, 95 }, { 1, 37, 57 }
486 }, { // Band 2
487 { 33, 179, 220 }, { 11, 140, 198 }, { 1, 89, 148 },
488 { 1, 60, 104 }, { 1, 33, 57 }, { 1, 12, 21 }
489 }, { // Band 3
490 { 30, 181, 221 }, { 8, 141, 198 }, { 1, 87, 145 },
491 { 1, 58, 100 }, { 1, 31, 55 }, { 1, 12, 20 }
492 }, { // Band 4
493 { 32, 186, 224 }, { 7, 142, 198 }, { 1, 86, 143 },
494 { 1, 58, 100 }, { 1, 31, 55 }, { 1, 12, 22 }
495 }, { // Band 5
496 { 57, 192, 227 }, { 20, 143, 204 }, { 3, 96, 154 },
497 { 1, 68, 112 }, { 1, 42, 69 }, { 1, 19, 32 }
498 }
499 }
500 }, { // UV plane
501 { // Intra
502 { // Band 0
503 { 212, 35, 215 }, { 113, 47, 169 }, { 29, 48, 105 }
504 }, { // Band 1
505 { 74, 129, 203 }, { 106, 120, 203 }, { 49, 107, 178 },
506 { 19, 84, 144 }, { 4, 50, 84 }, { 1, 15, 25 }
507 }, { // Band 2
508 { 71, 172, 217 }, { 44, 141, 209 }, { 15, 102, 173 },
509 { 6, 76, 133 }, { 2, 51, 89 }, { 1, 24, 42 }
510 }, { // Band 3
511 { 64, 185, 231 }, { 31, 148, 216 }, { 8, 103, 175 },
512 { 3, 74, 131 }, { 1, 46, 81 }, { 1, 18, 30 }
513 }, { // Band 4
514 { 65, 196, 235 }, { 25, 157, 221 }, { 5, 105, 174 },
515 { 1, 67, 120 }, { 1, 38, 69 }, { 1, 15, 30 }
516 }, { // Band 5
517 { 65, 204, 238 }, { 30, 156, 224 }, { 7, 107, 177 },
518 { 2, 70, 124 }, { 1, 42, 73 }, { 1, 18, 34 }
519 }
520 }, { // Inter
521 { // Band 0
522 { 225, 86, 251 }, { 144, 104, 235 }, { 42, 99, 181 }
523 }, { // Band 1
524 { 85, 175, 239 }, { 112, 165, 229 }, { 29, 136, 200 },
525 { 12, 103, 162 }, { 6, 77, 123 }, { 2, 53, 84 }
526 }, { // Band 2
527 { 75, 183, 239 }, { 30, 155, 221 }, { 3, 106, 171 },
528 { 1, 74, 128 }, { 1, 44, 76 }, { 1, 17, 28 }
529 }, { // Band 3
530 { 73, 185, 240 }, { 27, 159, 222 }, { 2, 107, 172 },
531 { 1, 75, 127 }, { 1, 42, 73 }, { 1, 17, 29 }
532 }, { // Band 4
533 { 62, 190, 238 }, { 21, 159, 222 }, { 2, 107, 172 },
534 { 1, 72, 122 }, { 1, 40, 71 }, { 1, 18, 32 }
535 }, { // Band 5
536 { 61, 199, 240 }, { 27, 161, 226 }, { 4, 113, 180 },
537 { 1, 76, 129 }, { 1, 46, 80 }, { 1, 23, 41 }
538 }
539 }
540 }
541 };
542
543 static const vp9_coeff_probs_model default_coef_probs_16x16[PLANE_TYPES] = {
544 { // Y plane
545 { // Intra
546 { // Band 0
547 { 7, 27, 153 }, { 5, 30, 95 }, { 1, 16, 30 }
548 }, { // Band 1
549 { 50, 75, 127 }, { 57, 75, 124 }, { 27, 67, 108 },
550 { 10, 54, 86 }, { 1, 33, 52 }, { 1, 12, 18 }
551 }, { // Band 2
552 { 43, 125, 151 }, { 26, 108, 148 }, { 7, 83, 122 },
553 { 2, 59, 89 }, { 1, 38, 60 }, { 1, 17, 27 }
554 }, { // Band 3
555 { 23, 144, 163 }, { 13, 112, 154 }, { 2, 75, 117 },
556 { 1, 50, 81 }, { 1, 31, 51 }, { 1, 14, 23 }
557 }, { // Band 4
558 { 18, 162, 185 }, { 6, 123, 171 }, { 1, 78, 125 },
559 { 1, 51, 86 }, { 1, 31, 54 }, { 1, 14, 23 }
560 }, { // Band 5
561 { 15, 199, 227 }, { 3, 150, 204 }, { 1, 91, 146 },
562 { 1, 55, 95 }, { 1, 30, 53 }, { 1, 11, 20 }
563 }
564 }, { // Inter
565 { // Band 0
566 { 19, 55, 240 }, { 19, 59, 196 }, { 3, 52, 105 }
567 }, { // Band 1
568 { 41, 166, 207 }, { 104, 153, 199 }, { 31, 123, 181 },
569 { 14, 101, 152 }, { 5, 72, 106 }, { 1, 36, 52 }
570 }, { // Band 2
571 { 35, 176, 211 }, { 12, 131, 190 }, { 2, 88, 144 },
572 { 1, 60, 101 }, { 1, 36, 60 }, { 1, 16, 28 }
573 }, { // Band 3
574 { 28, 183, 213 }, { 8, 134, 191 }, { 1, 86, 142 },
575 { 1, 56, 96 }, { 1, 30, 53 }, { 1, 12, 20 }
576 }, { // Band 4
577 { 20, 190, 215 }, { 4, 135, 192 }, { 1, 84, 139 },
578 { 1, 53, 91 }, { 1, 28, 49 }, { 1, 11, 20 }
579 }, { // Band 5
580 { 13, 196, 216 }, { 2, 137, 192 }, { 1, 86, 143 },
581 { 1, 57, 99 }, { 1, 32, 56 }, { 1, 13, 24 }
582 }
583 }
584 }, { // UV plane
585 { // Intra
586 { // Band 0
587 { 211, 29, 217 }, { 96, 47, 156 }, { 22, 43, 87 }
588 }, { // Band 1
589 { 78, 120, 193 }, { 111, 116, 186 }, { 46, 102, 164 },
590 { 15, 80, 128 }, { 2, 49, 76 }, { 1, 18, 28 }
591 }, { // Band 2
592 { 71, 161, 203 }, { 42, 132, 192 }, { 10, 98, 150 },
593 { 3, 69, 109 }, { 1, 44, 70 }, { 1, 18, 29 }
594 }, { // Band 3
595 { 57, 186, 211 }, { 30, 140, 196 }, { 4, 93, 146 },
596 { 1, 62, 102 }, { 1, 38, 65 }, { 1, 16, 27 }
597 }, { // Band 4
598 { 47, 199, 217 }, { 14, 145, 196 }, { 1, 88, 142 },
599 { 1, 57, 98 }, { 1, 36, 62 }, { 1, 15, 26 }
600 }, { // Band 5
601 { 26, 219, 229 }, { 5, 155, 207 }, { 1, 94, 151 },
602 { 1, 60, 104 }, { 1, 36, 62 }, { 1, 16, 28 }
603 }
604 }, { // Inter
605 { // Band 0
606 { 233, 29, 248 }, { 146, 47, 220 }, { 43, 52, 140 }
607 }, { // Band 1
608 { 100, 163, 232 }, { 179, 161, 222 }, { 63, 142, 204 },
609 { 37, 113, 174 }, { 26, 89, 137 }, { 18, 68, 97 }
610 }, { // Band 2
611 { 85, 181, 230 }, { 32, 146, 209 }, { 7, 100, 164 },
612 { 3, 71, 121 }, { 1, 45, 77 }, { 1, 18, 30 }
613 }, { // Band 3
614 { 65, 187, 230 }, { 20, 148, 207 }, { 2, 97, 159 },
615 { 1, 68, 116 }, { 1, 40, 70 }, { 1, 14, 29 }
616 }, { // Band 4
617 { 40, 194, 227 }, { 8, 147, 204 }, { 1, 94, 155 },
618 { 1, 65, 112 }, { 1, 39, 66 }, { 1, 14, 26 }
619 }, { // Band 5
620 { 16, 208, 228 }, { 3, 151, 207 }, { 1, 98, 160 },
621 { 1, 67, 117 }, { 1, 41, 74 }, { 1, 17, 31 }
622 }
623 }
624 }
625 };
626
627 static const vp9_coeff_probs_model default_coef_probs_32x32[PLANE_TYPES] = {
628 { // Y plane
629 { // Intra
630 { // Band 0
631 { 17, 38, 140 }, { 7, 34, 80 }, { 1, 17, 29 }
632 }, { // Band 1
633 { 37, 75, 128 }, { 41, 76, 128 }, { 26, 66, 116 },
634 { 12, 52, 94 }, { 2, 32, 55 }, { 1, 10, 16 }
635 }, { // Band 2
636 { 50, 127, 154 }, { 37, 109, 152 }, { 16, 82, 121 },
637 { 5, 59, 85 }, { 1, 35, 54 }, { 1, 13, 20 }
638 }, { // Band 3
639 { 40, 142, 167 }, { 17, 110, 157 }, { 2, 71, 112 },
640 { 1, 44, 72 }, { 1, 27, 45 }, { 1, 11, 17 }
641 }, { // Band 4
642 { 30, 175, 188 }, { 9, 124, 169 }, { 1, 74, 116 },
643 { 1, 48, 78 }, { 1, 30, 49 }, { 1, 11, 18 }
644 }, { // Band 5
645 { 10, 222, 223 }, { 2, 150, 194 }, { 1, 83, 128 },
646 { 1, 48, 79 }, { 1, 27, 45 }, { 1, 11, 17 }
647 }
648 }, { // Inter
649 { // Band 0
650 { 36, 41, 235 }, { 29, 36, 193 }, { 10, 27, 111 }
651 }, { // Band 1
652 { 85, 165, 222 }, { 177, 162, 215 }, { 110, 135, 195 },
653 { 57, 113, 168 }, { 23, 83, 120 }, { 10, 49, 61 }
654 }, { // Band 2
655 { 85, 190, 223 }, { 36, 139, 200 }, { 5, 90, 146 },
656 { 1, 60, 103 }, { 1, 38, 65 }, { 1, 18, 30 }
657 }, { // Band 3
658 { 72, 202, 223 }, { 23, 141, 199 }, { 2, 86, 140 },
659 { 1, 56, 97 }, { 1, 36, 61 }, { 1, 16, 27 }
660 }, { // Band 4
661 { 55, 218, 225 }, { 13, 145, 200 }, { 1, 86, 141 },
662 { 1, 57, 99 }, { 1, 35, 61 }, { 1, 13, 22 }
663 }, { // Band 5
664 { 15, 235, 212 }, { 1, 132, 184 }, { 1, 84, 139 },
665 { 1, 57, 97 }, { 1, 34, 56 }, { 1, 14, 23 }
666 }
667 }
668 }, { // UV plane
669 { // Intra
670 { // Band 0
671 { 181, 21, 201 }, { 61, 37, 123 }, { 10, 38, 71 }
672 }, { // Band 1
673 { 47, 106, 172 }, { 95, 104, 173 }, { 42, 93, 159 },
674 { 18, 77, 131 }, { 4, 50, 81 }, { 1, 17, 23 }
675 }, { // Band 2
676 { 62, 147, 199 }, { 44, 130, 189 }, { 28, 102, 154 },
677 { 18, 75, 115 }, { 2, 44, 65 }, { 1, 12, 19 }
678 }, { // Band 3
679 { 55, 153, 210 }, { 24, 130, 194 }, { 3, 93, 146 },
680 { 1, 61, 97 }, { 1, 31, 50 }, { 1, 10, 16 }
681 }, { // Band 4
682 { 49, 186, 223 }, { 17, 148, 204 }, { 1, 96, 142 },
683 { 1, 53, 83 }, { 1, 26, 44 }, { 1, 11, 17 }
684 }, { // Band 5
685 { 13, 217, 212 }, { 2, 136, 180 }, { 1, 78, 124 },
686 { 1, 50, 83 }, { 1, 29, 49 }, { 1, 14, 23 }
687 }
688 }, { // Inter
689 { // Band 0
690 { 197, 13, 247 }, { 82, 17, 222 }, { 25, 17, 162 }
691 }, { // Band 1
692 { 126, 186, 247 }, { 234, 191, 243 }, { 176, 177, 234 },
693 { 104, 158, 220 }, { 66, 128, 186 }, { 55, 90, 137 }
694 }, { // Band 2
695 { 111, 197, 242 }, { 46, 158, 219 }, { 9, 104, 171 },
696 { 2, 65, 125 }, { 1, 44, 80 }, { 1, 17, 91 }
697 }, { // Band 3
698 { 104, 208, 245 }, { 39, 168, 224 }, { 3, 109, 162 },
699 { 1, 79, 124 }, { 1, 50, 102 }, { 1, 43, 102 }
700 }, { // Band 4
701 { 84, 220, 246 }, { 31, 177, 231 }, { 2, 115, 180 },
702 { 1, 79, 134 }, { 1, 55, 77 }, { 1, 60, 79 }
703 }, { // Band 5
704 { 43, 243, 240 }, { 8, 180, 217 }, { 1, 115, 166 },
705 { 1, 84, 121 }, { 1, 51, 67 }, { 1, 16, 6 }
706 }
707 }
708 }
709 };
710
extend_to_full_distribution(vp9_prob * probs,vp9_prob p)711 static void extend_to_full_distribution(vp9_prob *probs, vp9_prob p) {
712 vpx_memcpy(probs, vp9_pareto8_full[p = 0 ? 0 : p - 1],
713 MODEL_NODES * sizeof(vp9_prob));
714 }
715
vp9_model_to_full_probs(const vp9_prob * model,vp9_prob * full)716 void vp9_model_to_full_probs(const vp9_prob *model, vp9_prob *full) {
717 if (full != model)
718 vpx_memcpy(full, model, sizeof(vp9_prob) * UNCONSTRAINED_NODES);
719 extend_to_full_distribution(&full[UNCONSTRAINED_NODES], model[PIVOT_NODE]);
720 }
721
vp9_default_coef_probs(VP9_COMMON * cm)722 void vp9_default_coef_probs(VP9_COMMON *cm) {
723 vp9_copy(cm->fc.coef_probs[TX_4X4], default_coef_probs_4x4);
724 vp9_copy(cm->fc.coef_probs[TX_8X8], default_coef_probs_8x8);
725 vp9_copy(cm->fc.coef_probs[TX_16X16], default_coef_probs_16x16);
726 vp9_copy(cm->fc.coef_probs[TX_32X32], default_coef_probs_32x32);
727 }
728
729 #define COEF_COUNT_SAT 24
730 #define COEF_MAX_UPDATE_FACTOR 112
731 #define COEF_COUNT_SAT_KEY 24
732 #define COEF_MAX_UPDATE_FACTOR_KEY 112
733 #define COEF_COUNT_SAT_AFTER_KEY 24
734 #define COEF_MAX_UPDATE_FACTOR_AFTER_KEY 128
735
adapt_coef_probs(VP9_COMMON * cm,TX_SIZE tx_size,unsigned int count_sat,unsigned int update_factor)736 static void adapt_coef_probs(VP9_COMMON *cm, TX_SIZE tx_size,
737 unsigned int count_sat,
738 unsigned int update_factor) {
739 const FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx];
740 vp9_coeff_probs_model *const probs = cm->fc.coef_probs[tx_size];
741 const vp9_coeff_probs_model *const pre_probs = pre_fc->coef_probs[tx_size];
742 vp9_coeff_count_model *counts = cm->counts.coef[tx_size];
743 unsigned int (*eob_counts)[REF_TYPES][COEF_BANDS][COEFF_CONTEXTS] =
744 cm->counts.eob_branch[tx_size];
745 int i, j, k, l, m;
746
747 for (i = 0; i < PLANE_TYPES; ++i)
748 for (j = 0; j < REF_TYPES; ++j)
749 for (k = 0; k < COEF_BANDS; ++k)
750 for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) {
751 const int n0 = counts[i][j][k][l][ZERO_TOKEN];
752 const int n1 = counts[i][j][k][l][ONE_TOKEN];
753 const int n2 = counts[i][j][k][l][TWO_TOKEN];
754 const int neob = counts[i][j][k][l][EOB_MODEL_TOKEN];
755 const unsigned int branch_ct[UNCONSTRAINED_NODES][2] = {
756 { neob, eob_counts[i][j][k][l] - neob },
757 { n0, n1 + n2 },
758 { n1, n2 }
759 };
760 for (m = 0; m < UNCONSTRAINED_NODES; ++m)
761 probs[i][j][k][l][m] = merge_probs(pre_probs[i][j][k][l][m],
762 branch_ct[m],
763 count_sat, update_factor);
764 }
765 }
766
vp9_adapt_coef_probs(VP9_COMMON * cm)767 void vp9_adapt_coef_probs(VP9_COMMON *cm) {
768 TX_SIZE t;
769 unsigned int count_sat, update_factor;
770
771 if (frame_is_intra_only(cm)) {
772 update_factor = COEF_MAX_UPDATE_FACTOR_KEY;
773 count_sat = COEF_COUNT_SAT_KEY;
774 } else if (cm->last_frame_type == KEY_FRAME) {
775 update_factor = COEF_MAX_UPDATE_FACTOR_AFTER_KEY; /* adapt quickly */
776 count_sat = COEF_COUNT_SAT_AFTER_KEY;
777 } else {
778 update_factor = COEF_MAX_UPDATE_FACTOR;
779 count_sat = COEF_COUNT_SAT;
780 }
781 for (t = TX_4X4; t <= TX_32X32; t++)
782 adapt_coef_probs(cm, t, count_sat, update_factor);
783 }
784