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comparison: media/libvpx/vp9/common/vp9_entropymode.c

media/libvpx/vp9/common/vp9_entropymode.c

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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 "vpx_mem/vpx_mem.h"
12
13 #include "vp9/common/vp9_alloccommon.h"
14 #include "vp9/common/vp9_onyxc_int.h"
15 #include "vp9/common/vp9_seg_common.h"
16
17 const vp9_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES][INTRA_MODES - 1] = {
18 { // above = dc
19 { 137, 30, 42, 148, 151, 207, 70, 52, 91 }, // left = dc
20 { 92, 45, 102, 136, 116, 180, 74, 90, 100 }, // left = v
21 { 73, 32, 19, 187, 222, 215, 46, 34, 100 }, // left = h
22 { 91, 30, 32, 116, 121, 186, 93, 86, 94 }, // left = d45
23 { 72, 35, 36, 149, 68, 206, 68, 63, 105 }, // left = d135
24 { 73, 31, 28, 138, 57, 124, 55, 122, 151 }, // left = d117
25 { 67, 23, 21, 140, 126, 197, 40, 37, 171 }, // left = d153
26 { 86, 27, 28, 128, 154, 212, 45, 43, 53 }, // left = d207
27 { 74, 32, 27, 107, 86, 160, 63, 134, 102 }, // left = d63
28 { 59, 67, 44, 140, 161, 202, 78, 67, 119 } // left = tm
29 }, { // above = v
30 { 63, 36, 126, 146, 123, 158, 60, 90, 96 }, // left = dc
31 { 43, 46, 168, 134, 107, 128, 69, 142, 92 }, // left = v
32 { 44, 29, 68, 159, 201, 177, 50, 57, 77 }, // left = h
33 { 58, 38, 76, 114, 97, 172, 78, 133, 92 }, // left = d45
34 { 46, 41, 76, 140, 63, 184, 69, 112, 57 }, // left = d135
35 { 38, 32, 85, 140, 46, 112, 54, 151, 133 }, // left = d117
36 { 39, 27, 61, 131, 110, 175, 44, 75, 136 }, // left = d153
37 { 52, 30, 74, 113, 130, 175, 51, 64, 58 }, // left = d207
38 { 47, 35, 80, 100, 74, 143, 64, 163, 74 }, // left = d63
39 { 36, 61, 116, 114, 128, 162, 80, 125, 82 } // left = tm
40 }, { // above = h
41 { 82, 26, 26, 171, 208, 204, 44, 32, 105 }, // left = dc
42 { 55, 44, 68, 166, 179, 192, 57, 57, 108 }, // left = v
43 { 42, 26, 11, 199, 241, 228, 23, 15, 85 }, // left = h
44 { 68, 42, 19, 131, 160, 199, 55, 52, 83 }, // left = d45
45 { 58, 50, 25, 139, 115, 232, 39, 52, 118 }, // left = d135
46 { 50, 35, 33, 153, 104, 162, 64, 59, 131 }, // left = d117
47 { 44, 24, 16, 150, 177, 202, 33, 19, 156 }, // left = d153
48 { 55, 27, 12, 153, 203, 218, 26, 27, 49 }, // left = d207
49 { 53, 49, 21, 110, 116, 168, 59, 80, 76 }, // left = d63
50 { 38, 72, 19, 168, 203, 212, 50, 50, 107 } // left = tm
51 }, { // above = d45
52 { 103, 26, 36, 129, 132, 201, 83, 80, 93 }, // left = dc
53 { 59, 38, 83, 112, 103, 162, 98, 136, 90 }, // left = v
54 { 62, 30, 23, 158, 200, 207, 59, 57, 50 }, // left = h
55 { 67, 30, 29, 84, 86, 191, 102, 91, 59 }, // left = d45
56 { 60, 32, 33, 112, 71, 220, 64, 89, 104 }, // left = d135
57 { 53, 26, 34, 130, 56, 149, 84, 120, 103 }, // left = d117
58 { 53, 21, 23, 133, 109, 210, 56, 77, 172 }, // left = d153
59 { 77, 19, 29, 112, 142, 228, 55, 66, 36 }, // left = d207
60 { 61, 29, 29, 93, 97, 165, 83, 175, 162 }, // left = d63
61 { 47, 47, 43, 114, 137, 181, 100, 99, 95 } // left = tm
62 }, { // above = d135
63 { 69, 23, 29, 128, 83, 199, 46, 44, 101 }, // left = dc
64 { 53, 40, 55, 139, 69, 183, 61, 80, 110 }, // left = v
65 { 40, 29, 19, 161, 180, 207, 43, 24, 91 }, // left = h
66 { 60, 34, 19, 105, 61, 198, 53, 64, 89 }, // left = d45
67 { 52, 31, 22, 158, 40, 209, 58, 62, 89 }, // left = d135
68 { 44, 31, 29, 147, 46, 158, 56, 102, 198 }, // left = d117
69 { 35, 19, 12, 135, 87, 209, 41, 45, 167 }, // left = d153
70 { 55, 25, 21, 118, 95, 215, 38, 39, 66 }, // left = d207
71 { 51, 38, 25, 113, 58, 164, 70, 93, 97 }, // left = d63
72 { 47, 54, 34, 146, 108, 203, 72, 103, 151 } // left = tm
73 }, { // above = d117
74 { 64, 19, 37, 156, 66, 138, 49, 95, 133 }, // left = dc
75 { 46, 27, 80, 150, 55, 124, 55, 121, 135 }, // left = v
76 { 36, 23, 27, 165, 149, 166, 54, 64, 118 }, // left = h
77 { 53, 21, 36, 131, 63, 163, 60, 109, 81 }, // left = d45
78 { 40, 26, 35, 154, 40, 185, 51, 97, 123 }, // left = d135
79 { 35, 19, 34, 179, 19, 97, 48, 129, 124 }, // left = d117
80 { 36, 20, 26, 136, 62, 164, 33, 77, 154 }, // left = d153
81 { 45, 18, 32, 130, 90, 157, 40, 79, 91 }, // left = d207
82 { 45, 26, 28, 129, 45, 129, 49, 147, 123 }, // left = d63
83 { 38, 44, 51, 136, 74, 162, 57, 97, 121 } // left = tm
84 }, { // above = d153
85 { 75, 17, 22, 136, 138, 185, 32, 34, 166 }, // left = dc
86 { 56, 39, 58, 133, 117, 173, 48, 53, 187 }, // left = v
87 { 35, 21, 12, 161, 212, 207, 20, 23, 145 }, // left = h
88 { 56, 29, 19, 117, 109, 181, 55, 68, 112 }, // left = d45
89 { 47, 29, 17, 153, 64, 220, 59, 51, 114 }, // left = d135
90 { 46, 16, 24, 136, 76, 147, 41, 64, 172 }, // left = d117
91 { 34, 17, 11, 108, 152, 187, 13, 15, 209 }, // left = d153
92 { 51, 24, 14, 115, 133, 209, 32, 26, 104 }, // left = d207
93 { 55, 30, 18, 122, 79, 179, 44, 88, 116 }, // left = d63
94 { 37, 49, 25, 129, 168, 164, 41, 54, 148 } // left = tm
95 }, { // above = d207
96 { 82, 22, 32, 127, 143, 213, 39, 41, 70 }, // left = dc
97 { 62, 44, 61, 123, 105, 189, 48, 57, 64 }, // left = v
98 { 47, 25, 17, 175, 222, 220, 24, 30, 86 }, // left = h
99 { 68, 36, 17, 106, 102, 206, 59, 74, 74 }, // left = d45
100 { 57, 39, 23, 151, 68, 216, 55, 63, 58 }, // left = d135
101 { 49, 30, 35, 141, 70, 168, 82, 40, 115 }, // left = d117
102 { 51, 25, 15, 136, 129, 202, 38, 35, 139 }, // left = d153
103 { 68, 26, 16, 111, 141, 215, 29, 28, 28 }, // left = d207
104 { 59, 39, 19, 114, 75, 180, 77, 104, 42 }, // left = d63
105 { 40, 61, 26, 126, 152, 206, 61, 59, 93 } // left = tm
106 }, { // above = d63
107 { 78, 23, 39, 111, 117, 170, 74, 124, 94 }, // left = dc
108 { 48, 34, 86, 101, 92, 146, 78, 179, 134 }, // left = v
109 { 47, 22, 24, 138, 187, 178, 68, 69, 59 }, // left = h
110 { 56, 25, 33, 105, 112, 187, 95, 177, 129 }, // left = d45
111 { 48, 31, 27, 114, 63, 183, 82, 116, 56 }, // left = d135
112 { 43, 28, 37, 121, 63, 123, 61, 192, 169 }, // left = d117
113 { 42, 17, 24, 109, 97, 177, 56, 76, 122 }, // left = d153
114 { 58, 18, 28, 105, 139, 182, 70, 92, 63 }, // left = d207
115 { 46, 23, 32, 74, 86, 150, 67, 183, 88 }, // left = d63
116 { 36, 38, 48, 92, 122, 165, 88, 137, 91 } // left = tm
117 }, { // above = tm
118 { 65, 70, 60, 155, 159, 199, 61, 60, 81 }, // left = dc
119 { 44, 78, 115, 132, 119, 173, 71, 112, 93 }, // left = v
120 { 39, 38, 21, 184, 227, 206, 42, 32, 64 }, // left = h
121 { 58, 47, 36, 124, 137, 193, 80, 82, 78 }, // left = d45
122 { 49, 50, 35, 144, 95, 205, 63, 78, 59 }, // left = d135
123 { 41, 53, 52, 148, 71, 142, 65, 128, 51 }, // left = d117
124 { 40, 36, 28, 143, 143, 202, 40, 55, 137 }, // left = d153
125 { 52, 34, 29, 129, 183, 227, 42, 35, 43 }, // left = d207
126 { 42, 44, 44, 104, 105, 164, 64, 130, 80 }, // left = d63
127 { 43, 81, 53, 140, 169, 204, 68, 84, 72 } // left = tm
128 }
129 };
130
131 const vp9_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1] = {
132 { 144, 11, 54, 157, 195, 130, 46, 58, 108 }, // y = dc
133 { 118, 15, 123, 148, 131, 101, 44, 93, 131 }, // y = v
134 { 113, 12, 23, 188, 226, 142, 26, 32, 125 }, // y = h
135 { 120, 11, 50, 123, 163, 135, 64, 77, 103 }, // y = d45
136 { 113, 9, 36, 155, 111, 157, 32, 44, 161 }, // y = d135
137 { 116, 9, 55, 176, 76, 96, 37, 61, 149 }, // y = d117
138 { 115, 9, 28, 141, 161, 167, 21, 25, 193 }, // y = d153
139 { 120, 12, 32, 145, 195, 142, 32, 38, 86 }, // y = d207
140 { 116, 12, 64, 120, 140, 125, 49, 115, 121 }, // y = d63
141 { 102, 19, 66, 162, 182, 122, 35, 59, 128 } // y = tm
142 };
143
144 static const vp9_prob default_if_y_probs[BLOCK_SIZE_GROUPS][INTRA_MODES - 1] = {
145 { 65, 32, 18, 144, 162, 194, 41, 51, 98 }, // block_size < 8x8
146 { 132, 68, 18, 165, 217, 196, 45, 40, 78 }, // block_size < 16x16
147 { 173, 80, 19, 176, 240, 193, 64, 35, 46 }, // block_size < 32x32
148 { 221, 135, 38, 194, 248, 121, 96, 85, 29 } // block_size >= 32x32
149 };
150
151 static const vp9_prob default_if_uv_probs[INTRA_MODES][INTRA_MODES - 1] = {
152 { 120, 7, 76, 176, 208, 126, 28, 54, 103 }, // y = dc
153 { 48, 12, 154, 155, 139, 90, 34, 117, 119 }, // y = v
154 { 67, 6, 25, 204, 243, 158, 13, 21, 96 }, // y = h
155 { 97, 5, 44, 131, 176, 139, 48, 68, 97 }, // y = d45
156 { 83, 5, 42, 156, 111, 152, 26, 49, 152 }, // y = d135
157 { 80, 5, 58, 178, 74, 83, 33, 62, 145 }, // y = d117
158 { 86, 5, 32, 154, 192, 168, 14, 22, 163 }, // y = d153
159 { 85, 5, 32, 156, 216, 148, 19, 29, 73 }, // y = d207
160 { 77, 7, 64, 116, 132, 122, 37, 126, 120 }, // y = d63
161 { 101, 21, 107, 181, 192, 103, 19, 67, 125 } // y = tm
162 };
163
164 const vp9_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]
165 [PARTITION_TYPES - 1] = {
166 // 8x8 -> 4x4
167 { 158, 97, 94 }, // a/l both not split
168 { 93, 24, 99 }, // a split, l not split
169 { 85, 119, 44 }, // l split, a not split
170 { 62, 59, 67 }, // a/l both split
171 // 16x16 -> 8x8
172 { 149, 53, 53 }, // a/l both not split
173 { 94, 20, 48 }, // a split, l not split
174 { 83, 53, 24 }, // l split, a not split
175 { 52, 18, 18 }, // a/l both split
176 // 32x32 -> 16x16
177 { 150, 40, 39 }, // a/l both not split
178 { 78, 12, 26 }, // a split, l not split
179 { 67, 33, 11 }, // l split, a not split
180 { 24, 7, 5 }, // a/l both split
181 // 64x64 -> 32x32
182 { 174, 35, 49 }, // a/l both not split
183 { 68, 11, 27 }, // a split, l not split
184 { 57, 15, 9 }, // l split, a not split
185 { 12, 3, 3 }, // a/l both split
186 };
187
188 static const vp9_prob default_partition_probs[PARTITION_CONTEXTS]
189 [PARTITION_TYPES - 1] = {
190 // 8x8 -> 4x4
191 { 199, 122, 141 }, // a/l both not split
192 { 147, 63, 159 }, // a split, l not split
193 { 148, 133, 118 }, // l split, a not split
194 { 121, 104, 114 }, // a/l both split
195 // 16x16 -> 8x8
196 { 174, 73, 87 }, // a/l both not split
197 { 92, 41, 83 }, // a split, l not split
198 { 82, 99, 50 }, // l split, a not split
199 { 53, 39, 39 }, // a/l both split
200 // 32x32 -> 16x16
201 { 177, 58, 59 }, // a/l both not split
202 { 68, 26, 63 }, // a split, l not split
203 { 52, 79, 25 }, // l split, a not split
204 { 17, 14, 12 }, // a/l both split
205 // 64x64 -> 32x32
206 { 222, 34, 30 }, // a/l both not split
207 { 72, 16, 44 }, // a split, l not split
208 { 58, 32, 12 }, // l split, a not split
209 { 10, 7, 6 }, // a/l both split
210 };
211
212 static const vp9_prob default_inter_mode_probs[INTER_MODE_CONTEXTS]
213 [INTER_MODES - 1] = {
214 {2, 173, 34}, // 0 = both zero mv
215 {7, 145, 85}, // 1 = one zero mv + one a predicted mv
216 {7, 166, 63}, // 2 = two predicted mvs
217 {7, 94, 66}, // 3 = one predicted/zero and one new mv
218 {8, 64, 46}, // 4 = two new mvs
219 {17, 81, 31}, // 5 = one intra neighbour + x
220 {25, 29, 30}, // 6 = two intra neighbours
221 };
222
223 /* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
224 const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)] = {
225 -DC_PRED, 2, /* 0 = DC_NODE */
226 -TM_PRED, 4, /* 1 = TM_NODE */
227 -V_PRED, 6, /* 2 = V_NODE */
228 8, 12, /* 3 = COM_NODE */
229 -H_PRED, 10, /* 4 = H_NODE */
230 -D135_PRED, -D117_PRED, /* 5 = D135_NODE */
231 -D45_PRED, 14, /* 6 = D45_NODE */
232 -D63_PRED, 16, /* 7 = D63_NODE */
233 -D153_PRED, -D207_PRED /* 8 = D153_NODE */
234 };
235 struct vp9_token vp9_intra_mode_encodings[INTRA_MODES];
236
237 const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)] = {
238 -INTER_OFFSET(ZEROMV), 2,
239 -INTER_OFFSET(NEARESTMV), 4,
240 -INTER_OFFSET(NEARMV), -INTER_OFFSET(NEWMV)
241 };
242 struct vp9_token vp9_inter_mode_encodings[INTER_MODES];
243
244 const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)] = {
245 -PARTITION_NONE, 2,
246 -PARTITION_HORZ, 4,
247 -PARTITION_VERT, -PARTITION_SPLIT
248 };
249 struct vp9_token vp9_partition_encodings[PARTITION_TYPES];
250
251 static const vp9_prob default_intra_inter_p[INTRA_INTER_CONTEXTS] = {
252 9, 102, 187, 225
253 };
254
255 static const vp9_prob default_comp_inter_p[COMP_INTER_CONTEXTS] = {
256 239, 183, 119, 96, 41
257 };
258
259 static const vp9_prob default_comp_ref_p[REF_CONTEXTS] = {
260 50, 126, 123, 221, 226
261 };
262
263 static const vp9_prob default_single_ref_p[REF_CONTEXTS][2] = {
264 { 33, 16 },
265 { 77, 74 },
266 { 142, 142 },
267 { 172, 170 },
268 { 238, 247 }
269 };
270
271 static const struct tx_probs default_tx_probs = {
272 { { 3, 136, 37 },
273 { 5, 52, 13 } },
274
275 { { 20, 152 },
276 { 15, 101 } },
277
278 { { 100 },
279 { 66 } }
280 };
281
282 void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p,
283 unsigned int (*ct_32x32p)[2]) {
284 ct_32x32p[0][0] = tx_count_32x32p[TX_4X4];
285 ct_32x32p[0][1] = tx_count_32x32p[TX_8X8] +
286 tx_count_32x32p[TX_16X16] +
287 tx_count_32x32p[TX_32X32];
288 ct_32x32p[1][0] = tx_count_32x32p[TX_8X8];
289 ct_32x32p[1][1] = tx_count_32x32p[TX_16X16] +
290 tx_count_32x32p[TX_32X32];
291 ct_32x32p[2][0] = tx_count_32x32p[TX_16X16];
292 ct_32x32p[2][1] = tx_count_32x32p[TX_32X32];
293 }
294
295 void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
296 unsigned int (*ct_16x16p)[2]) {
297 ct_16x16p[0][0] = tx_count_16x16p[TX_4X4];
298 ct_16x16p[0][1] = tx_count_16x16p[TX_8X8] + tx_count_16x16p[TX_16X16];
299 ct_16x16p[1][0] = tx_count_16x16p[TX_8X8];
300 ct_16x16p[1][1] = tx_count_16x16p[TX_16X16];
301 }
302
303 void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
304 unsigned int (*ct_8x8p)[2]) {
305 ct_8x8p[0][0] = tx_count_8x8p[TX_4X4];
306 ct_8x8p[0][1] = tx_count_8x8p[TX_8X8];
307 }
308
309 static const vp9_prob default_mbskip_probs[MBSKIP_CONTEXTS] = {
310 192, 128, 64
311 };
312
313 static const vp9_prob default_switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
314 [SWITCHABLE_FILTERS - 1] = {
315 { 235, 162, },
316 { 36, 255, },
317 { 34, 3, },
318 { 149, 144, },
319 };
320
321 void vp9_init_mbmode_probs(VP9_COMMON *cm) {
322 vp9_copy(cm->fc.uv_mode_prob, default_if_uv_probs);
323 vp9_copy(cm->fc.y_mode_prob, default_if_y_probs);
324 vp9_copy(cm->fc.switchable_interp_prob, default_switchable_interp_prob);
325 vp9_copy(cm->fc.partition_prob, default_partition_probs);
326 vp9_copy(cm->fc.intra_inter_prob, default_intra_inter_p);
327 vp9_copy(cm->fc.comp_inter_prob, default_comp_inter_p);
328 vp9_copy(cm->fc.comp_ref_prob, default_comp_ref_p);
329 vp9_copy(cm->fc.single_ref_prob, default_single_ref_p);
330 cm->fc.tx_probs = default_tx_probs;
331 vp9_copy(cm->fc.mbskip_probs, default_mbskip_probs);
332 }
333
334 const vp9_tree_index vp9_switchable_interp_tree
335 [TREE_SIZE(SWITCHABLE_FILTERS)] = {
336 -EIGHTTAP, 2,
337 -EIGHTTAP_SMOOTH, -EIGHTTAP_SHARP
338 };
339 struct vp9_token vp9_switchable_interp_encodings[SWITCHABLE_FILTERS];
340
341 void vp9_entropy_mode_init() {
342 vp9_tokens_from_tree(vp9_intra_mode_encodings, vp9_intra_mode_tree);
343 vp9_tokens_from_tree(vp9_switchable_interp_encodings,
344 vp9_switchable_interp_tree);
345 vp9_tokens_from_tree(vp9_partition_encodings, vp9_partition_tree);
346 vp9_tokens_from_tree(vp9_inter_mode_encodings, vp9_inter_mode_tree);
347 }
348
349 #define COUNT_SAT 20
350 #define MAX_UPDATE_FACTOR 128
351
352 static int adapt_prob(vp9_prob pre_prob, const unsigned int ct[2]) {
353 return merge_probs(pre_prob, ct, COUNT_SAT, MAX_UPDATE_FACTOR);
354 }
355
356 static void adapt_probs(const vp9_tree_index *tree,
357 const vp9_prob *pre_probs, const unsigned int *counts,
358 vp9_prob *probs) {
359 tree_merge_probs(tree, pre_probs, counts, COUNT_SAT, MAX_UPDATE_FACTOR,
360 probs);
361 }
362
363 void vp9_adapt_mode_probs(VP9_COMMON *cm) {
364 int i, j;
365 FRAME_CONTEXT *fc = &cm->fc;
366 const FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx];
367 const FRAME_COUNTS *counts = &cm->counts;
368
369 for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
370 fc->intra_inter_prob[i] = adapt_prob(pre_fc->intra_inter_prob[i],
371 counts->intra_inter[i]);
372 for (i = 0; i < COMP_INTER_CONTEXTS; i++)
373 fc->comp_inter_prob[i] = adapt_prob(pre_fc->comp_inter_prob[i],
374 counts->comp_inter[i]);
375 for (i = 0; i < REF_CONTEXTS; i++)
376 fc->comp_ref_prob[i] = adapt_prob(pre_fc->comp_ref_prob[i],
377 counts->comp_ref[i]);
378 for (i = 0; i < REF_CONTEXTS; i++)
379 for (j = 0; j < 2; j++)
380 fc->single_ref_prob[i][j] = adapt_prob(pre_fc->single_ref_prob[i][j],
381 counts->single_ref[i][j]);
382
383 for (i = 0; i < INTER_MODE_CONTEXTS; i++)
384 adapt_probs(vp9_inter_mode_tree, pre_fc->inter_mode_probs[i],
385 counts->inter_mode[i], fc->inter_mode_probs[i]);
386
387 for (i = 0; i < BLOCK_SIZE_GROUPS; i++)
388 adapt_probs(vp9_intra_mode_tree, pre_fc->y_mode_prob[i],
389 counts->y_mode[i], fc->y_mode_prob[i]);
390
391 for (i = 0; i < INTRA_MODES; ++i)
392 adapt_probs(vp9_intra_mode_tree, pre_fc->uv_mode_prob[i],
393 counts->uv_mode[i], fc->uv_mode_prob[i]);
394
395 for (i = 0; i < PARTITION_CONTEXTS; i++)
396 adapt_probs(vp9_partition_tree, pre_fc->partition_prob[i],
397 counts->partition[i], fc->partition_prob[i]);
398
399 if (cm->mcomp_filter_type == SWITCHABLE) {
400 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++)
401 adapt_probs(vp9_switchable_interp_tree, pre_fc->switchable_interp_prob[i],
402 counts->switchable_interp[i], fc->switchable_interp_prob[i]);
403 }
404
405 if (cm->tx_mode == TX_MODE_SELECT) {
406 int j;
407 unsigned int branch_ct_8x8p[TX_SIZES - 3][2];
408 unsigned int branch_ct_16x16p[TX_SIZES - 2][2];
409 unsigned int branch_ct_32x32p[TX_SIZES - 1][2];
410
411 for (i = 0; i < TX_SIZE_CONTEXTS; ++i) {
412 tx_counts_to_branch_counts_8x8(counts->tx.p8x8[i], branch_ct_8x8p);
413 for (j = 0; j < TX_SIZES - 3; ++j)
414 fc->tx_probs.p8x8[i][j] = adapt_prob(pre_fc->tx_probs.p8x8[i][j],
415 branch_ct_8x8p[j]);
416
417 tx_counts_to_branch_counts_16x16(counts->tx.p16x16[i], branch_ct_16x16p);
418 for (j = 0; j < TX_SIZES - 2; ++j)
419 fc->tx_probs.p16x16[i][j] = adapt_prob(pre_fc->tx_probs.p16x16[i][j],
420 branch_ct_16x16p[j]);
421
422 tx_counts_to_branch_counts_32x32(counts->tx.p32x32[i], branch_ct_32x32p);
423 for (j = 0; j < TX_SIZES - 1; ++j)
424 fc->tx_probs.p32x32[i][j] = adapt_prob(pre_fc->tx_probs.p32x32[i][j],
425 branch_ct_32x32p[j]);
426 }
427 }
428
429 for (i = 0; i < MBSKIP_CONTEXTS; ++i)
430 fc->mbskip_probs[i] = adapt_prob(pre_fc->mbskip_probs[i],
431 counts->mbskip[i]);
432 }
433
434 static void set_default_lf_deltas(struct loopfilter *lf) {
435 lf->mode_ref_delta_enabled = 1;
436 lf->mode_ref_delta_update = 1;
437
438 lf->ref_deltas[INTRA_FRAME] = 1;
439 lf->ref_deltas[LAST_FRAME] = 0;
440 lf->ref_deltas[GOLDEN_FRAME] = -1;
441 lf->ref_deltas[ALTREF_FRAME] = -1;
442
443 lf->mode_deltas[0] = 0;
444 lf->mode_deltas[1] = 0;
445 }
446
447 void vp9_setup_past_independence(VP9_COMMON *cm) {
448 // Reset the segment feature data to the default stats:
449 // Features disabled, 0, with delta coding (Default state).
450 struct loopfilter *const lf = &cm->lf;
451
452 int i;
453 vp9_clearall_segfeatures(&cm->seg);
454 cm->seg.abs_delta = SEGMENT_DELTADATA;
455 if (cm->last_frame_seg_map)
456 vpx_memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols));
457
458 // Reset the mode ref deltas for loop filter
459 vp9_zero(lf->last_ref_deltas);
460 vp9_zero(lf->last_mode_deltas);
461 set_default_lf_deltas(lf);
462
463 // To force update of the sharpness
464 lf->last_sharpness_level = -1;
465
466 vp9_default_coef_probs(cm);
467 vp9_init_mbmode_probs(cm);
468 vp9_init_mv_probs(cm);
469 vp9_copy(cm->fc.inter_mode_probs, default_inter_mode_probs);
470
471 if (cm->frame_type == KEY_FRAME ||
472 cm->error_resilient_mode || cm->reset_frame_context == 3) {
473 // Reset all frame contexts.
474 for (i = 0; i < NUM_FRAME_CONTEXTS; ++i)
475 cm->frame_contexts[i] = cm->fc;
476 } else if (cm->reset_frame_context == 2) {
477 // Reset only the frame context specified in the frame header.
478 cm->frame_contexts[cm->frame_context_idx] = cm->fc;
479 }
480
481 vpx_memset(cm->prev_mip, 0,
482 cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
483 vpx_memset(cm->mip, 0,
484 cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
485
486 vp9_update_mode_info_border(cm, cm->mip);
487 vp9_update_mode_info_border(cm, cm->prev_mip);
488
489 vp9_zero(cm->ref_frame_sign_bias);
490
491 cm->frame_context_idx = 0;
492 }

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