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