rdopt.c 466 KB
Newer Older
Jingning Han's avatar
Jingning Han committed
1
/*
Yaowu Xu's avatar
Yaowu Xu committed
2
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
Jingning Han's avatar
Jingning Han committed
3
 *
Yaowu Xu's avatar
Yaowu Xu committed
4
5
6
7
8
9
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
Jingning Han's avatar
Jingning Han committed
10
11
12
13
14
 */

#include <assert.h>
#include <math.h>

Yaowu Xu's avatar
Yaowu Xu committed
15
#include "./aom_dsp_rtcd.h"
Jingning Han's avatar
Jingning Han committed
16
#include "./av1_rtcd.h"
Jingning Han's avatar
Jingning Han committed
17

Yaowu Xu's avatar
Yaowu Xu committed
18
#include "aom_dsp/aom_dsp_common.h"
19
#include "aom_dsp/blend.h"
Yaowu Xu's avatar
Yaowu Xu committed
20
#include "aom_mem/aom_mem.h"
21
22
#include "aom_ports/mem.h"
#include "aom_ports/system_state.h"
Jingning Han's avatar
Jingning Han committed
23

24
25
26
27
28
29
30
31
32
33
34
35
#include "av1/common/common.h"
#include "av1/common/common_data.h"
#include "av1/common/entropy.h"
#include "av1/common/entropymode.h"
#include "av1/common/idct.h"
#include "av1/common/mvref_common.h"
#include "av1/common/pred_common.h"
#include "av1/common/quant_common.h"
#include "av1/common/reconinter.h"
#include "av1/common/reconintra.h"
#include "av1/common/scan.h"
#include "av1/common/seg_common.h"
36
37
38
#if CONFIG_LV_MAP
#include "av1/common/txb_common.h"
#endif
Yue Chen's avatar
Yue Chen committed
39
40
41
#if CONFIG_WARPED_MOTION
#include "av1/common/warped_motion.h"
#endif  // CONFIG_WARPED_MOTION
Jingning Han's avatar
Jingning Han committed
42

Jingning Han's avatar
Jingning Han committed
43
#include "av1/encoder/aq_variance.h"
44
#include "av1/encoder/av1_quantize.h"
45
46
47
48
#include "av1/encoder/cost.h"
#include "av1/encoder/encodemb.h"
#include "av1/encoder/encodemv.h"
#include "av1/encoder/encoder.h"
49
50
51
#if CONFIG_LV_MAP
#include "av1/encoder/encodetxb.h"
#endif
52
53
#include "av1/encoder/hybrid_fwd_txfm.h"
#include "av1/encoder/mcomp.h"
54
#if CONFIG_PALETTE
55
#include "av1/encoder/palette.h"
56
#endif  // CONFIG_PALETTE
57
58
59
#include "av1/encoder/ratectrl.h"
#include "av1/encoder/rd.h"
#include "av1/encoder/rdopt.h"
60
#include "av1/encoder/tokenize.h"
61
62
#if CONFIG_PVQ
#include "av1/encoder/pvq_encoder.h"
63
#endif  // CONFIG_PVQ
Yushin Cho's avatar
Yushin Cho committed
64
65
#if CONFIG_PVQ || CONFIG_DAALA_DIST
#include "av1/common/pvq.h"
66
#endif  // CONFIG_PVQ || CONFIG_DAALA_DIST
67
#if CONFIG_DUAL_FILTER
Angie Chiang's avatar
Angie Chiang committed
68
69
#define DUAL_FILTER_SET_SIZE (SWITCHABLE_FILTERS * SWITCHABLE_FILTERS)
static const int filter_sets[DUAL_FILTER_SET_SIZE][2] = {
70
71
72
  { 0, 0 }, { 0, 1 }, { 0, 2 }, { 0, 3 }, { 1, 0 }, { 1, 1 },
  { 1, 2 }, { 1, 3 }, { 2, 0 }, { 2, 1 }, { 2, 2 }, { 2, 3 },
  { 3, 0 }, { 3, 1 }, { 3, 2 }, { 3, 3 },
73
};
Angie Chiang's avatar
Angie Chiang committed
74
#endif  // CONFIG_DUAL_FILTER
75

76
77
#if CONFIG_EXT_REFS

78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
#define LAST_FRAME_MODE_MASK                                      \
  ((1 << INTRA_FRAME) | (1 << LAST2_FRAME) | (1 << LAST3_FRAME) | \
   (1 << GOLDEN_FRAME) | (1 << BWDREF_FRAME) | (1 << ALTREF_FRAME))
#define LAST2_FRAME_MODE_MASK                                    \
  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST3_FRAME) | \
   (1 << GOLDEN_FRAME) | (1 << BWDREF_FRAME) | (1 << ALTREF_FRAME))
#define LAST3_FRAME_MODE_MASK                                    \
  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST2_FRAME) | \
   (1 << GOLDEN_FRAME) | (1 << BWDREF_FRAME) | (1 << ALTREF_FRAME))
#define GOLDEN_FRAME_MODE_MASK                                   \
  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST2_FRAME) | \
   (1 << LAST3_FRAME) | (1 << BWDREF_FRAME) | (1 << ALTREF_FRAME))
#define BWDREF_FRAME_MODE_MASK                                   \
  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST2_FRAME) | \
   (1 << LAST3_FRAME) | (1 << GOLDEN_FRAME) | (1 << ALTREF_FRAME))
#define ALTREF_FRAME_MODE_MASK                                   \
  ((1 << INTRA_FRAME) | (1 << LAST_FRAME) | (1 << LAST2_FRAME) | \
   (1 << LAST3_FRAME) | (1 << GOLDEN_FRAME) | (1 << BWDREF_FRAME))

#else

#define LAST_FRAME_MODE_MASK \
  ((1 << GOLDEN_FRAME) | (1 << ALTREF_FRAME) | (1 << INTRA_FRAME))
#define GOLDEN_FRAME_MODE_MASK \
  ((1 << LAST_FRAME) | (1 << ALTREF_FRAME) | (1 << INTRA_FRAME))
#define ALTREF_FRAME_MODE_MASK \
  ((1 << LAST_FRAME) | (1 << GOLDEN_FRAME) | (1 << INTRA_FRAME))
Jingning Han's avatar
Jingning Han committed
105

106
107
#endif  // CONFIG_EXT_REFS

108
#if CONFIG_EXT_REFS
109
#define SECOND_REF_FRAME_MASK ((1 << ALTREF_FRAME) | (1 << BWDREF_FRAME) | 0x01)
110
#else
111
#define SECOND_REF_FRAME_MASK ((1 << ALTREF_FRAME) | 0x01)
112
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
113

114
115
#define MIN_EARLY_TERM_INDEX 3
#define NEW_MV_DISCOUNT_FACTOR 8
Jingning Han's avatar
Jingning Han committed
116

117
118
119
120
121
#if CONFIG_EXT_INTRA
#define ANGLE_SKIP_THRESH 10
#define FILTER_FAST_SEARCH 1
#endif  // CONFIG_EXT_INTRA

122
123
const double ADST_FLIP_SVM[8] = { -6.6623, -2.8062, -3.2531, 3.1671,    // vert
                                  -7.7051, -3.2234, -3.6193, 3.4533 };  // horz
124

Jingning Han's avatar
Jingning Han committed
125
126
127
128
129
typedef struct {
  PREDICTION_MODE mode;
  MV_REFERENCE_FRAME ref_frame[2];
} MODE_DEFINITION;

130
typedef struct { MV_REFERENCE_FRAME ref_frame[2]; } REF_DEFINITION;
Jingning Han's avatar
Jingning Han committed
131
132

struct rdcost_block_args {
Yaowu Xu's avatar
Yaowu Xu committed
133
  const AV1_COMP *cpi;
Jingning Han's avatar
Jingning Han committed
134
  MACROBLOCK *x;
135
136
  ENTROPY_CONTEXT t_above[2 * MAX_MIB_SIZE];
  ENTROPY_CONTEXT t_left[2 * MAX_MIB_SIZE];
137
  RD_STATS rd_stats;
Jingning Han's avatar
Jingning Han committed
138
139
140
141
142
143
144
  int64_t this_rd;
  int64_t best_rd;
  int exit_early;
  int use_fast_coef_costing;
};

#define LAST_NEW_MV_INDEX 6
Yaowu Xu's avatar
Yaowu Xu committed
145
static const MODE_DEFINITION av1_mode_order[MAX_MODES] = {
Emil Keyder's avatar
Emil Keyder committed
146
  { NEARESTMV, { LAST_FRAME, NONE_FRAME } },
147
#if CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
148
149
150
  { NEARESTMV, { LAST2_FRAME, NONE_FRAME } },
  { NEARESTMV, { LAST3_FRAME, NONE_FRAME } },
  { NEARESTMV, { BWDREF_FRAME, NONE_FRAME } },
151
#endif  // CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
152
153
  { NEARESTMV, { ALTREF_FRAME, NONE_FRAME } },
  { NEARESTMV, { GOLDEN_FRAME, NONE_FRAME } },
Jingning Han's avatar
Jingning Han committed
154

Emil Keyder's avatar
Emil Keyder committed
155
  { DC_PRED, { INTRA_FRAME, NONE_FRAME } },
Jingning Han's avatar
Jingning Han committed
156

Emil Keyder's avatar
Emil Keyder committed
157
  { NEWMV, { LAST_FRAME, NONE_FRAME } },
158
#if CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
159
160
161
  { NEWMV, { LAST2_FRAME, NONE_FRAME } },
  { NEWMV, { LAST3_FRAME, NONE_FRAME } },
  { NEWMV, { BWDREF_FRAME, NONE_FRAME } },
162
#endif  // CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
163
164
  { NEWMV, { ALTREF_FRAME, NONE_FRAME } },
  { NEWMV, { GOLDEN_FRAME, NONE_FRAME } },
Jingning Han's avatar
Jingning Han committed
165

Emil Keyder's avatar
Emil Keyder committed
166
  { NEARMV, { LAST_FRAME, NONE_FRAME } },
167
#if CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
168
169
170
  { NEARMV, { LAST2_FRAME, NONE_FRAME } },
  { NEARMV, { LAST3_FRAME, NONE_FRAME } },
  { NEARMV, { BWDREF_FRAME, NONE_FRAME } },
171
#endif  // CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
172
173
  { NEARMV, { ALTREF_FRAME, NONE_FRAME } },
  { NEARMV, { GOLDEN_FRAME, NONE_FRAME } },
Jingning Han's avatar
Jingning Han committed
174

Emil Keyder's avatar
Emil Keyder committed
175
  { ZEROMV, { LAST_FRAME, NONE_FRAME } },
176
#if CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
177
178
179
  { ZEROMV, { LAST2_FRAME, NONE_FRAME } },
  { ZEROMV, { LAST3_FRAME, NONE_FRAME } },
  { ZEROMV, { BWDREF_FRAME, NONE_FRAME } },
180
#endif  // CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
181
182
  { ZEROMV, { GOLDEN_FRAME, NONE_FRAME } },
  { ZEROMV, { ALTREF_FRAME, NONE_FRAME } },
Jingning Han's avatar
Jingning Han committed
183

184
// TODO(zoeliu): May need to reconsider the order on the modes to check
185

186
#if CONFIG_EXT_INTER
187
  { NEAREST_NEARESTMV, { LAST_FRAME, ALTREF_FRAME } },
188
#if CONFIG_EXT_REFS
189
190
  { NEAREST_NEARESTMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEAREST_NEARESTMV, { LAST3_FRAME, ALTREF_FRAME } },
191
#endif  // CONFIG_EXT_REFS
192
  { NEAREST_NEARESTMV, { GOLDEN_FRAME, ALTREF_FRAME } },
193
#if CONFIG_EXT_REFS
194
195
196
197
  { NEAREST_NEARESTMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEAREST_NEARESTMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEAREST_NEARESTMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEAREST_NEARESTMV, { GOLDEN_FRAME, BWDREF_FRAME } },
198
#endif  // CONFIG_EXT_REFS
199

200
#else  // CONFIG_EXT_INTER
201

202
  { NEARESTMV, { LAST_FRAME, ALTREF_FRAME } },
203
#if CONFIG_EXT_REFS
204
205
  { NEARESTMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEARESTMV, { LAST3_FRAME, ALTREF_FRAME } },
206
#endif  // CONFIG_EXT_REFS
207
  { NEARESTMV, { GOLDEN_FRAME, ALTREF_FRAME } },
208
#if CONFIG_EXT_REFS
209
210
211
212
  { NEARESTMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEARESTMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEARESTMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEARESTMV, { GOLDEN_FRAME, BWDREF_FRAME } },
213
#endif  // CONFIG_EXT_REFS
214
#endif  // CONFIG_EXT_INTER
Jingning Han's avatar
Jingning Han committed
215

Emil Keyder's avatar
Emil Keyder committed
216
  { TM_PRED, { INTRA_FRAME, NONE_FRAME } },
Jingning Han's avatar
Jingning Han committed
217

218
#if CONFIG_ALT_INTRA
Emil Keyder's avatar
Emil Keyder committed
219
  { SMOOTH_PRED, { INTRA_FRAME, NONE_FRAME } },
Urvang Joshi's avatar
Urvang Joshi committed
220
221
222
223
#if CONFIG_SMOOTH_HV
  { SMOOTH_V_PRED, { INTRA_FRAME, NONE_FRAME } },
  { SMOOTH_H_PRED, { INTRA_FRAME, NONE_FRAME } },
#endif  // CONFIG_SMOOTH_HV
224
225
#endif  // CONFIG_ALT_INTRA

226
#if CONFIG_EXT_INTER
227
228
229
230
231
232
233
234
235
  { NEAR_NEARESTMV, { LAST_FRAME, ALTREF_FRAME } },
  { NEAREST_NEARMV, { LAST_FRAME, ALTREF_FRAME } },
  { NEAR_NEARMV, { LAST_FRAME, ALTREF_FRAME } },
  { NEW_NEARESTMV, { LAST_FRAME, ALTREF_FRAME } },
  { NEAREST_NEWMV, { LAST_FRAME, ALTREF_FRAME } },
  { NEW_NEARMV, { LAST_FRAME, ALTREF_FRAME } },
  { NEAR_NEWMV, { LAST_FRAME, ALTREF_FRAME } },
  { NEW_NEWMV, { LAST_FRAME, ALTREF_FRAME } },
  { ZERO_ZEROMV, { LAST_FRAME, ALTREF_FRAME } },
236

237
#if CONFIG_EXT_REFS
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
  { NEAR_NEARESTMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEAREST_NEARMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEAR_NEARMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEW_NEARESTMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEAREST_NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEW_NEARMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEAR_NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEW_NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
  { ZERO_ZEROMV, { LAST2_FRAME, ALTREF_FRAME } },

  { NEAR_NEARESTMV, { LAST3_FRAME, ALTREF_FRAME } },
  { NEAREST_NEARMV, { LAST3_FRAME, ALTREF_FRAME } },
  { NEAR_NEARMV, { LAST3_FRAME, ALTREF_FRAME } },
  { NEW_NEARESTMV, { LAST3_FRAME, ALTREF_FRAME } },
  { NEAREST_NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
  { NEW_NEARMV, { LAST3_FRAME, ALTREF_FRAME } },
  { NEAR_NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
  { NEW_NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
  { ZERO_ZEROMV, { LAST3_FRAME, ALTREF_FRAME } },
257
#endif  // CONFIG_EXT_REFS
258

259
260
261
262
263
264
265
266
267
  { NEAR_NEARESTMV, { GOLDEN_FRAME, ALTREF_FRAME } },
  { NEAREST_NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } },
  { NEAR_NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } },
  { NEW_NEARESTMV, { GOLDEN_FRAME, ALTREF_FRAME } },
  { NEAREST_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
  { NEW_NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } },
  { NEAR_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
  { NEW_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
  { ZERO_ZEROMV, { GOLDEN_FRAME, ALTREF_FRAME } },
268
269

#if CONFIG_EXT_REFS
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
  { NEAR_NEARESTMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEAREST_NEARMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEAR_NEARMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEW_NEARESTMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEAREST_NEWMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEW_NEARMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEAR_NEWMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEW_NEWMV, { LAST_FRAME, BWDREF_FRAME } },
  { ZERO_ZEROMV, { LAST_FRAME, BWDREF_FRAME } },

  { NEAR_NEARESTMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEAREST_NEARMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEAR_NEARMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEW_NEARESTMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEAREST_NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEW_NEARMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEAR_NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEW_NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
  { ZERO_ZEROMV, { LAST2_FRAME, BWDREF_FRAME } },

  { NEAR_NEARESTMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEAREST_NEARMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEAR_NEARMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEW_NEARESTMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEAREST_NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEW_NEARMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEAR_NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEW_NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
  { ZERO_ZEROMV, { LAST3_FRAME, BWDREF_FRAME } },

  { NEAR_NEARESTMV, { GOLDEN_FRAME, BWDREF_FRAME } },
  { NEAREST_NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } },
  { NEAR_NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } },
  { NEW_NEARESTMV, { GOLDEN_FRAME, BWDREF_FRAME } },
  { NEAREST_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
  { NEW_NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } },
  { NEAR_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
  { NEW_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
  { ZERO_ZEROMV, { GOLDEN_FRAME, BWDREF_FRAME } },
309
#endif  // CONFIG_EXT_REFS
310
311
312

#else  // CONFIG_EXT_INTER

313
314
  { NEARMV, { LAST_FRAME, ALTREF_FRAME } },
  { NEWMV, { LAST_FRAME, ALTREF_FRAME } },
315
#if CONFIG_EXT_REFS
316
317
318
319
  { NEARMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
  { NEARMV, { LAST3_FRAME, ALTREF_FRAME } },
  { NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
320
#endif  // CONFIG_EXT_REFS
321
322
  { NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } },
  { NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
323
324

#if CONFIG_EXT_REFS
325
326
327
328
329
330
331
332
  { NEARMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEWMV, { LAST_FRAME, BWDREF_FRAME } },
  { NEARMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
  { NEARMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
  { NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } },
  { NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
333
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
334

335
  { ZEROMV, { LAST_FRAME, ALTREF_FRAME } },
336
#if CONFIG_EXT_REFS
337
338
  { ZEROMV, { LAST2_FRAME, ALTREF_FRAME } },
  { ZEROMV, { LAST3_FRAME, ALTREF_FRAME } },
339
#endif  // CONFIG_EXT_REFS
340
  { ZEROMV, { GOLDEN_FRAME, ALTREF_FRAME } },
341
342

#if CONFIG_EXT_REFS
343
344
345
346
  { ZEROMV, { LAST_FRAME, BWDREF_FRAME } },
  { ZEROMV, { LAST2_FRAME, BWDREF_FRAME } },
  { ZEROMV, { LAST3_FRAME, BWDREF_FRAME } },
  { ZEROMV, { GOLDEN_FRAME, BWDREF_FRAME } },
347
#endif  // CONFIG_EXT_REFS
348

349
#endif  // CONFIG_EXT_INTER
Jingning Han's avatar
Jingning Han committed
350

Emil Keyder's avatar
Emil Keyder committed
351
352
353
354
355
356
357
358
  { H_PRED, { INTRA_FRAME, NONE_FRAME } },
  { V_PRED, { INTRA_FRAME, NONE_FRAME } },
  { D135_PRED, { INTRA_FRAME, NONE_FRAME } },
  { D207_PRED, { INTRA_FRAME, NONE_FRAME } },
  { D153_PRED, { INTRA_FRAME, NONE_FRAME } },
  { D63_PRED, { INTRA_FRAME, NONE_FRAME } },
  { D117_PRED, { INTRA_FRAME, NONE_FRAME } },
  { D45_PRED, { INTRA_FRAME, NONE_FRAME } },
359
360

#if CONFIG_EXT_INTER
361
362
363
364
  { ZEROMV, { LAST_FRAME, INTRA_FRAME } },
  { NEARESTMV, { LAST_FRAME, INTRA_FRAME } },
  { NEARMV, { LAST_FRAME, INTRA_FRAME } },
  { NEWMV, { LAST_FRAME, INTRA_FRAME } },
365
366

#if CONFIG_EXT_REFS
367
368
369
370
371
372
373
374
375
  { ZEROMV, { LAST2_FRAME, INTRA_FRAME } },
  { NEARESTMV, { LAST2_FRAME, INTRA_FRAME } },
  { NEARMV, { LAST2_FRAME, INTRA_FRAME } },
  { NEWMV, { LAST2_FRAME, INTRA_FRAME } },

  { ZEROMV, { LAST3_FRAME, INTRA_FRAME } },
  { NEARESTMV, { LAST3_FRAME, INTRA_FRAME } },
  { NEARMV, { LAST3_FRAME, INTRA_FRAME } },
  { NEWMV, { LAST3_FRAME, INTRA_FRAME } },
376
377
#endif  // CONFIG_EXT_REFS

378
379
380
381
  { ZEROMV, { GOLDEN_FRAME, INTRA_FRAME } },
  { NEARESTMV, { GOLDEN_FRAME, INTRA_FRAME } },
  { NEARMV, { GOLDEN_FRAME, INTRA_FRAME } },
  { NEWMV, { GOLDEN_FRAME, INTRA_FRAME } },
382

383
#if CONFIG_EXT_REFS
384
385
386
387
  { ZEROMV, { BWDREF_FRAME, INTRA_FRAME } },
  { NEARESTMV, { BWDREF_FRAME, INTRA_FRAME } },
  { NEARMV, { BWDREF_FRAME, INTRA_FRAME } },
  { NEWMV, { BWDREF_FRAME, INTRA_FRAME } },
388
389
#endif  // CONFIG_EXT_REFS

390
391
392
393
  { ZEROMV, { ALTREF_FRAME, INTRA_FRAME } },
  { NEARESTMV, { ALTREF_FRAME, INTRA_FRAME } },
  { NEARMV, { ALTREF_FRAME, INTRA_FRAME } },
  { NEWMV, { ALTREF_FRAME, INTRA_FRAME } },
394
#endif  // CONFIG_EXT_INTER
Jingning Han's avatar
Jingning Han committed
395
396
};

Yaowu Xu's avatar
Yaowu Xu committed
397
static const REF_DEFINITION av1_ref_order[MAX_REFS] = {
Emil Keyder's avatar
Emil Keyder committed
398
  { { LAST_FRAME, NONE_FRAME } },
399
#if CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
400
401
  { { LAST2_FRAME, NONE_FRAME } },    { { LAST3_FRAME, NONE_FRAME } },
  { { BWDREF_FRAME, NONE_FRAME } },
402
#endif  // CONFIG_EXT_REFS
Emil Keyder's avatar
Emil Keyder committed
403
  { { GOLDEN_FRAME, NONE_FRAME } },   { { ALTREF_FRAME, NONE_FRAME } },
404

405
  { { LAST_FRAME, ALTREF_FRAME } },
406
#if CONFIG_EXT_REFS
407
  { { LAST2_FRAME, ALTREF_FRAME } },  { { LAST3_FRAME, ALTREF_FRAME } },
408
#endif  // CONFIG_EXT_REFS
409
  { { GOLDEN_FRAME, ALTREF_FRAME } },
410
411

#if CONFIG_EXT_REFS
412
413
  { { LAST_FRAME, BWDREF_FRAME } },   { { LAST2_FRAME, BWDREF_FRAME } },
  { { LAST3_FRAME, BWDREF_FRAME } },  { { GOLDEN_FRAME, BWDREF_FRAME } },
414
#endif  // CONFIG_EXT_REFS
415

Emil Keyder's avatar
Emil Keyder committed
416
  { { INTRA_FRAME, NONE_FRAME } },
Jingning Han's avatar
Jingning Han committed
417
418
};

419
#if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA || CONFIG_PALETTE
hui su's avatar
hui su committed
420
static INLINE int write_uniform_cost(int n, int v) {
421
422
  const int l = get_unsigned_bits(n);
  const int m = (1 << l) - n;
423
  if (l == 0) return 0;
hui su's avatar
hui su committed
424
  if (v < m)
Yaowu Xu's avatar
Yaowu Xu committed
425
    return (l - 1) * av1_cost_bit(128, 0);
hui su's avatar
hui su committed
426
  else
Yaowu Xu's avatar
Yaowu Xu committed
427
    return l * av1_cost_bit(128, 0);
hui su's avatar
hui su committed
428
}
429
#endif  // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA || CONFIG_PALETTE
hui su's avatar
hui su committed
430

431
432
433
// constants for prune 1 and prune 2 decision boundaries
#define FAST_EXT_TX_CORR_MID 0.0
#define FAST_EXT_TX_EDST_MID 0.1
434
435
436
437
#define FAST_EXT_TX_CORR_MARGIN 0.5
#define FAST_EXT_TX_EDST_MARGIN 0.3

static const TX_TYPE_1D vtx_tab[TX_TYPES] = {
438
  DCT_1D,      ADST_1D, DCT_1D,      ADST_1D,
439
#if CONFIG_EXT_TX
440
441
  FLIPADST_1D, DCT_1D,  FLIPADST_1D, ADST_1D, FLIPADST_1D, IDTX_1D,
  DCT_1D,      IDTX_1D, ADST_1D,     IDTX_1D, FLIPADST_1D, IDTX_1D,
442
443
444
445
#endif  // CONFIG_EXT_TX
};

static const TX_TYPE_1D htx_tab[TX_TYPES] = {
446
  DCT_1D,  DCT_1D,      ADST_1D,     ADST_1D,
447
#if CONFIG_EXT_TX
448
449
  DCT_1D,  FLIPADST_1D, FLIPADST_1D, FLIPADST_1D, ADST_1D, IDTX_1D,
  IDTX_1D, DCT_1D,      IDTX_1D,     ADST_1D,     IDTX_1D, FLIPADST_1D,
450
451
#endif  // CONFIG_EXT_TX
};
452

Yushin Cho's avatar
Yushin Cho committed
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
#if CONFIG_DAALA_DIST
static int od_compute_var_4x4(od_coeff *x, int stride) {
  int sum;
  int s2;
  int i;
  sum = 0;
  s2 = 0;
  for (i = 0; i < 4; i++) {
    int j;
    for (j = 0; j < 4; j++) {
      int t;

      t = x[i * stride + j];
      sum += t;
      s2 += t * t;
    }
  }
  // TODO(yushin) : Check wheter any changes are required for high bit depth.
  return (s2 - (sum * sum >> 4)) >> 4;
}

474
475
476
477
478
479
480
/* OD_DIST_LP_MID controls the frequency weighting filter used for computing
   the distortion. For a value X, the filter is [1 X 1]/(X + 2) and
   is applied both horizontally and vertically. For X=5, the filter is
   a good approximation for the OD_QM8_Q4_HVS quantization matrix. */
#define OD_DIST_LP_MID (5)
#define OD_DIST_LP_NORM (OD_DIST_LP_MID + 2)

Yushin Cho's avatar
Yushin Cho committed
481
static double od_compute_dist_8x8(int qm, int use_activity_masking, od_coeff *x,
482
                                  od_coeff *y, od_coeff *e_lp, int stride) {
Yushin Cho's avatar
Yushin Cho committed
483
484
485
486
487
488
489
490
491
492
493
494
  double sum;
  int min_var;
  double mean_var;
  double var_stat;
  double activity;
  double calibration;
  int i;
  int j;
  double vardist;

  vardist = 0;
  OD_ASSERT(qm != OD_FLAT_QM);
495
  (void)qm;
Yushin Cho's avatar
Yushin Cho committed
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
#if 1
  min_var = INT_MAX;
  mean_var = 0;
  for (i = 0; i < 3; i++) {
    for (j = 0; j < 3; j++) {
      int varx;
      int vary;
      varx = od_compute_var_4x4(x + 2 * i * stride + 2 * j, stride);
      vary = od_compute_var_4x4(y + 2 * i * stride + 2 * j, stride);
      min_var = OD_MINI(min_var, varx);
      mean_var += 1. / (1 + varx);
      /* The cast to (double) is to avoid an overflow before the sqrt.*/
      vardist += varx - 2 * sqrt(varx * (double)vary) + vary;
    }
  }
  /* We use a different variance statistic depending on whether activity
     masking is used, since the harmonic mean appeared slghtly worse with
     masking off. The calibration constant just ensures that we preserve the
     rate compared to activity=1. */
  if (use_activity_masking) {
    calibration = 1.95;
    var_stat = 9. / mean_var;
  } else {
    calibration = 1.62;
    var_stat = min_var;
  }
  /* 1.62 is a calibration constant, 0.25 is a noise floor and 1/6 is the
     activity masking constant. */
  activity = calibration * pow(.25 + var_stat, -1. / 6);
#else
  activity = 1;
527
#endif  // 1
Yushin Cho's avatar
Yushin Cho committed
528
529
530
  sum = 0;
  for (i = 0; i < 8; i++) {
    for (j = 0; j < 8; j++)
531
      sum += e_lp[i * stride + j] * (double)e_lp[i * stride + j];
Yushin Cho's avatar
Yushin Cho committed
532
  }
533
534
535
  /* Normalize the filter to unit DC response. */
  sum *= 1. / (OD_DIST_LP_NORM * OD_DIST_LP_NORM * OD_DIST_LP_NORM *
               OD_DIST_LP_NORM);
Yushin Cho's avatar
Yushin Cho committed
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
  return activity * activity * (sum + vardist);
}

// Note : Inputs x and y are in a pixel domain
static double od_compute_dist(int qm, int activity_masking, od_coeff *x,
                              od_coeff *y, int bsize_w, int bsize_h,
                              int qindex) {
  int i;
  double sum;
  sum = 0;

  assert(bsize_w >= 8 && bsize_h >= 8);

  if (qm == OD_FLAT_QM) {
    for (i = 0; i < bsize_w * bsize_h; i++) {
      double tmp;
      tmp = x[i] - y[i];
      sum += tmp * tmp;
    }
  } else {
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
    int j;
    DECLARE_ALIGNED(16, od_coeff, e[MAX_TX_SQUARE]);
    DECLARE_ALIGNED(16, od_coeff, tmp[MAX_TX_SQUARE]);
    DECLARE_ALIGNED(16, od_coeff, e_lp[MAX_TX_SQUARE]);
    int mid = OD_DIST_LP_MID;
    for (i = 0; i < bsize_h; i++) {
      for (j = 0; j < bsize_w; j++) {
        e[i * bsize_w + j] = x[i * bsize_w + j] - y[i * bsize_w + j];
      }
    }
    for (i = 0; i < bsize_h; i++) {
      tmp[i * bsize_w] = mid * e[i * bsize_w] + 2 * e[i * bsize_w + 1];
      tmp[i * bsize_w + bsize_w - 1] =
          mid * e[i * bsize_w + bsize_w - 1] + 2 * e[i * bsize_w + bsize_w - 2];
      for (j = 1; j < bsize_w - 1; j++) {
        tmp[i * bsize_w + j] = mid * e[i * bsize_w + j] +
                               e[i * bsize_w + j - 1] + e[i * bsize_w + j + 1];
      }
    }
    for (j = 0; j < bsize_w; j++) {
      e_lp[j] = mid * tmp[j] + 2 * tmp[bsize_w + j];
      e_lp[(bsize_h - 1) * bsize_w + j] =
          mid * tmp[(bsize_h - 1) * bsize_w + j] +
          2 * tmp[(bsize_h - 2) * bsize_w + j];
    }
    for (i = 1; i < bsize_h - 1; i++) {
      for (j = 0; j < bsize_w; j++) {
        e_lp[i * bsize_w + j] = mid * tmp[i * bsize_w + j] +
                                tmp[(i - 1) * bsize_w + j] +
                                tmp[(i + 1) * bsize_w + j];
      }
    }
Yushin Cho's avatar
Yushin Cho committed
588
589
590
    for (i = 0; i < bsize_h; i += 8) {
      for (j = 0; j < bsize_w; j += 8) {
        sum += od_compute_dist_8x8(qm, activity_masking, &x[i * bsize_w + j],
591
592
                                   &y[i * bsize_w + j], &e_lp[i * bsize_w + j],
                                   bsize_w);
Yushin Cho's avatar
Yushin Cho committed
593
594
      }
    }
595
596
597
598
599
600
601
602
603
604
605
    /* Scale according to linear regression against SSE, for 8x8 blocks. */
    if (activity_masking) {
      sum *= 2.2 + (1.7 - 2.2) * (qindex - 99) / (210 - 99) +
             (qindex < 99 ? 2.5 * (qindex - 99) / 99 * (qindex - 99) / 99 : 0);
    } else {
      sum *= qindex >= 128
                 ? 1.4 + (0.9 - 1.4) * (qindex - 128) / (209 - 128)
                 : qindex <= 43
                       ? 1.5 + (2.0 - 1.5) * (qindex - 43) / (16 - 43)
                       : 1.5 + (1.4 - 1.5) * (qindex - 43) / (128 - 43);
    }
Yushin Cho's avatar
Yushin Cho committed
606
607
608
609
610
  }
  return sum;
}

static int64_t av1_daala_dist(const uint8_t *src, int src_stride,
611
612
613
                              const uint8_t *dst, int dst_stride, int bsw,
                              int bsh, int qm, int use_activity_masking,
                              int qindex) {
Yushin Cho's avatar
Yushin Cho committed
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
  int i, j;
  int64_t d;
  DECLARE_ALIGNED(16, od_coeff, orig[MAX_TX_SQUARE]);
  DECLARE_ALIGNED(16, od_coeff, rec[MAX_TX_SQUARE]);

  assert(qm == OD_HVS_QM);

  for (j = 0; j < bsh; j++)
    for (i = 0; i < bsw; i++) orig[j * bsw + i] = src[j * src_stride + i];

  for (j = 0; j < bsh; j++)
    for (i = 0; i < bsw; i++) rec[j * bsw + i] = dst[j * dst_stride + i];

  d = (int64_t)od_compute_dist(qm, use_activity_masking, orig, rec, bsw, bsh,
                               qindex);
  return d;
}
631
#endif  // CONFIG_DAALA_DIST
Yushin Cho's avatar
Yushin Cho committed
632

Yaowu Xu's avatar
Yaowu Xu committed
633
static void get_energy_distribution_fine(const AV1_COMP *cpi, BLOCK_SIZE bsize,
634
635
                                         const uint8_t *src, int src_stride,
                                         const uint8_t *dst, int dst_stride,
636
                                         double *hordist, double *verdist) {
637
638
  const int bw = block_size_wide[bsize];
  const int bh = block_size_high[bsize];
639
  unsigned int esq[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
640

641
  const int f_index = bsize - BLOCK_16X16;
642
  if (f_index < 0) {
643
644
    const int w_shift = bw == 8 ? 1 : 2;
    const int h_shift = bh == 8 ? 1 : 2;
645
#if CONFIG_HIGHBITDEPTH
646
    if (cpi->common.use_highbitdepth) {
647
648
649
650
651
      const uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
      const uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
      for (int i = 0; i < bh; ++i)
        for (int j = 0; j < bw; ++j) {
          const int index = (j >> w_shift) + ((i >> h_shift) << 2);
652
653
654
          esq[index] +=
              (src16[j + i * src_stride] - dst16[j + i * dst_stride]) *
              (src16[j + i * src_stride] - dst16[j + i * dst_stride]);
655
656
        }
    } else {
657
#endif  // CONFIG_HIGHBITDEPTH
658

659
660
661
      for (int i = 0; i < bh; ++i)
        for (int j = 0; j < bw; ++j) {
          const int index = (j >> w_shift) + ((i >> h_shift) << 2);
662
663
664
          esq[index] += (src[j + i * src_stride] - dst[j + i * dst_stride]) *
                        (src[j + i * src_stride] - dst[j + i * dst_stride]);
        }
665
#if CONFIG_HIGHBITDEPTH
666
    }
667
#endif  // CONFIG_HIGHBITDEPTH
668
  } else {
669
670
671
672
673
674
675
    cpi->fn_ptr[f_index].vf(src, src_stride, dst, dst_stride, &esq[0]);
    cpi->fn_ptr[f_index].vf(src + bw / 4, src_stride, dst + bw / 4, dst_stride,
                            &esq[1]);
    cpi->fn_ptr[f_index].vf(src + bw / 2, src_stride, dst + bw / 2, dst_stride,
                            &esq[2]);
    cpi->fn_ptr[f_index].vf(src + 3 * bw / 4, src_stride, dst + 3 * bw / 4,
                            dst_stride, &esq[3]);
676
677
678
    src += bh / 4 * src_stride;
    dst += bh / 4 * dst_stride;

679
680
681
682
683
684
685
    cpi->fn_ptr[f_index].vf(src, src_stride, dst, dst_stride, &esq[4]);
    cpi->fn_ptr[f_index].vf(src + bw / 4, src_stride, dst + bw / 4, dst_stride,
                            &esq[5]);
    cpi->fn_ptr[f_index].vf(src + bw / 2, src_stride, dst + bw / 2, dst_stride,
                            &esq[6]);
    cpi->fn_ptr[f_index].vf(src + 3 * bw / 4, src_stride, dst + 3 * bw / 4,
                            dst_stride, &esq[7]);
686
687
688
    src += bh / 4 * src_stride;
    dst += bh / 4 * dst_stride;

689
690
691
692
693
694
695
    cpi->fn_ptr[f_index].vf(src, src_stride, dst, dst_stride, &esq[8]);
    cpi->fn_ptr[f_index].vf(src + bw / 4, src_stride, dst + bw / 4, dst_stride,
                            &esq[9]);
    cpi->fn_ptr[f_index].vf(src + bw / 2, src_stride, dst + bw / 2, dst_stride,
                            &esq[10]);
    cpi->fn_ptr[f_index].vf(src + 3 * bw / 4, src_stride, dst + 3 * bw / 4,
                            dst_stride, &esq[11]);
696
697
698
    src += bh / 4 * src_stride;
    dst += bh / 4 * dst_stride;

699
700
701
702
703
704
705
    cpi->fn_ptr[f_index].vf(src, src_stride, dst, dst_stride, &esq[12]);
    cpi->fn_ptr[f_index].vf(src + bw / 4, src_stride, dst + bw / 4, dst_stride,
                            &esq[13]);
    cpi->fn_ptr[f_index].vf(src + bw / 2, src_stride, dst + bw / 2, dst_stride,
                            &esq[14]);
    cpi->fn_ptr[f_index].vf(src + 3 * bw / 4, src_stride, dst + 3 * bw / 4,
                            dst_stride, &esq[15]);
706
707
  }

708
709
710
  double total = (double)esq[0] + esq[1] + esq[2] + esq[3] + esq[4] + esq[5] +
                 esq[6] + esq[7] + esq[8] + esq[9] + esq[10] + esq[11] +
                 esq[12] + esq[13] + esq[14] + esq[15];
711
712
  if (total > 0) {
    const double e_recip = 1.0 / total;
713
714
715
716
717
718
    hordist[0] = ((double)esq[0] + esq[4] + esq[8] + esq[12]) * e_recip;
    hordist[1] = ((double)esq[1] + esq[5] + esq[9] + esq[13]) * e_recip;
    hordist[2] = ((double)esq[2] + esq[6] + esq[10] + esq[14]) * e_recip;
    verdist[0] = ((double)esq[0] + esq[1] + esq[2] + esq[3]) * e_recip;
    verdist[1] = ((double)esq[4] + esq[5] + esq[6] + esq[7]) * e_recip;
    verdist[2] = ((double)esq[8] + esq[9] + esq[10] + esq[11]) * e_recip;
719
720
721
722
723
724
725
  } else {
    hordist[0] = verdist[0] = 0.25;
    hordist[1] = verdist[1] = 0.25;
    hordist[2] = verdist[2] = 0.25;
  }
}

Urvang Joshi's avatar
Urvang Joshi committed
726
727
728
static int adst_vs_flipadst(const AV1_COMP *cpi, BLOCK_SIZE bsize,
                            const uint8_t *src, int src_stride,
                            const uint8_t *dst, int dst_stride) {
729
730
  int prune_bitmask = 0;
  double svm_proj_h = 0, svm_proj_v = 0;
Alex Converse's avatar
Alex Converse committed
731
  double hdist[3] = { 0, 0, 0 }, vdist[3] = { 0, 0, 0 };
732
733
  get_energy_distribution_fine(cpi, bsize, src, src_stride, dst, dst_stride,
                               hdist, vdist);
734

735
  svm_proj_v = vdist[0] * ADST_FLIP_SVM[0] + vdist[1] * ADST_FLIP_SVM[1] +
736
               vdist[2] * ADST_FLIP_SVM[2] + ADST_FLIP_SVM[3];
737
  svm_proj_h = hdist[0] * ADST_FLIP_SVM[4] + hdist[1] * ADST_FLIP_SVM[5] +
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
               hdist[2] * ADST_FLIP_SVM[6] + ADST_FLIP_SVM[7];
  if (svm_proj_v > FAST_EXT_TX_EDST_MID + FAST_EXT_TX_EDST_MARGIN)
    prune_bitmask |= 1 << FLIPADST_1D;
  else if (svm_proj_v < FAST_EXT_TX_EDST_MID - FAST_EXT_TX_EDST_MARGIN)
    prune_bitmask |= 1 << ADST_1D;

  if (svm_proj_h > FAST_EXT_TX_EDST_MID + FAST_EXT_TX_EDST_MARGIN)
    prune_bitmask |= 1 << (FLIPADST_1D + 8);
  else if (svm_proj_h < FAST_EXT_TX_EDST_MID - FAST_EXT_TX_EDST_MARGIN)
    prune_bitmask |= 1 << (ADST_1D + 8);

  return prune_bitmask;
}

#if CONFIG_EXT_TX
Alex Converse's avatar
Alex Converse committed
753
754
static void get_horver_correlation(const int16_t *diff, int stride, int w,
                                   int h, double *hcorr, double *vcorr) {
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
  // Returns hor/ver correlation coefficient
  const int num = (h - 1) * (w - 1);
  double num_r;
  int i, j;
  int64_t xy_sum = 0, xz_sum = 0;
  int64_t x_sum = 0, y_sum = 0, z_sum = 0;
  int64_t x2_sum = 0, y2_sum = 0, z2_sum = 0;
  double x_var_n, y_var_n, z_var_n, xy_var_n, xz_var_n;
  *hcorr = *vcorr = 1;

  assert(num > 0);
  num_r = 1.0 / num;
  for (i = 1; i < h; ++i) {
    for (j = 1; j < w; ++j) {
      const int16_t x = diff[i * stride + j];
      const int16_t y = diff[i * stride + j - 1];
      const int16_t z = diff[(i - 1) * stride + j];
      xy_sum += x * y;
      xz_sum += x * z;
      x_sum += x;
      y_sum += y;
      z_sum += z;
      x2_sum += x * x;
      y2_sum += y * y;
      z2_sum += z * z;
    }
  }
782
783
784
  x_var_n = x2_sum - (x_sum * x_sum) * num_r;
  y_var_n = y2_sum - (y_sum * y_sum) * num_r;
  z_var_n = z2_sum - (z_sum * z_sum) * num_r;
785
786
787
788
789
790
791
792
793
794
795
796
  xy_var_n = xy_sum - (x_sum * y_sum) * num_r;
  xz_var_n = xz_sum - (x_sum * z_sum) * num_r;
  if (x_var_n > 0 && y_var_n > 0) {
    *hcorr = xy_var_n / sqrt(x_var_n * y_var_n);
    *hcorr = *hcorr < 0 ? 0 : *hcorr;
  }
  if (x_var_n > 0 && z_var_n > 0) {
    *vcorr = xz_var_n / sqrt(x_var_n * z_var_n);
    *vcorr = *vcorr < 0 ? 0 : *vcorr;
  }
}

Alex Converse's avatar
Alex Converse committed
797
798
int dct_vs_idtx(const int16_t *diff, int stride, int w, int h) {
  double hcorr, vcorr;
799
  int prune_bitmask = 0;
Alex Converse's avatar
Alex Converse committed
800
  get_horver_correlation(diff, stride, w, h, &hcorr, &vcorr);
801

Alex Converse's avatar
Alex Converse committed
802
  if (vcorr > FAST_EXT_TX_CORR_MID + FAST_EXT_TX_CORR_MARGIN)
803
    prune_bitmask |= 1 << IDTX_1D;
Alex Converse's avatar
Alex Converse committed
804
  else if (vcorr < FAST_EXT_TX_CORR_MID - FAST_EXT_TX_CORR_MARGIN)
805
806
    prune_bitmask |= 1 << DCT_1D;

Alex Converse's avatar
Alex Converse committed
807
  if (hcorr > FAST_EXT_TX_CORR_MID + FAST_EXT_TX_CORR_MARGIN)
808
    prune_bitmask |= 1 << (IDTX_1D + 8);
Alex Converse's avatar
Alex Converse committed
809
  else if (hcorr < FAST_EXT_TX_CORR_MID - FAST_EXT_TX_CORR_MARGIN)
810
811
812
813
814
    prune_bitmask |= 1 << (DCT_1D + 8);
  return prune_bitmask;
}

// Performance drop: 0.5%, Speed improvement: 24%
Yaowu Xu's avatar
Yaowu Xu committed
815
static int prune_two_for_sby(const AV1_COMP *cpi, BLOCK_SIZE bsize,
Alex Converse's avatar
Alex Converse committed
816
817
                             MACROBLOCK *x, const MACROBLOCKD *xd,
                             int adst_flipadst, int dct_idtx) {
818
  int prune = 0;
819

Alex Converse's avatar
Alex Converse committed
820
821
822
  if (adst_flipadst) {
    const struct macroblock_plane *const p = &x->plane[0];
    const struct macroblockd_plane *const pd = &xd->plane[0];
823
    prune |= adst_vs_flipadst(cpi, bsize, p->src.buf, p->src.stride,
Alex Converse's avatar
Alex Converse committed
824
825
826
827
828
829
830
831
832
                              pd->dst.buf, pd->dst.stride);
  }
  if (dct_idtx) {
    av1_subtract_plane(x, bsize, 0);
    const struct macroblock_plane *const p = &x->plane[0];
    const int bw = 4 << (b_width_log2_lookup[bsize]);
    const int bh = 4 << (b_height_log2_lookup[bsize]);
    prune |= dct_vs_idtx(p->src_diff, bw, bw, bh);
  }
833
834
835

  return prune;
}
836
837
#endif  // CONFIG_EXT_TX

838
// Performance drop: 0.3%, Speed improvement: 5%
Yaowu Xu's avatar
Yaowu Xu committed
839
static int prune_one_for_sby(const AV1_COMP *cpi, BLOCK_SIZE bsize,
Alex Converse's avatar
Alex Converse committed
840
841
842
                             const MACROBLOCK *x, const MACROBLOCKD *xd) {
  const struct macroblock_plane *const p = &x->plane[0];
  const struct macroblockd_plane *const pd = &xd->plane[0];
843
  return adst_vs_flipadst(cpi, bsize, p->src.buf, p->src.stride, pd->dst.buf,
Alex Converse's avatar
Alex Converse committed
844
                          pd->dst.stride);
845
846
}

Yaowu Xu's avatar
Yaowu Xu committed
847
static int prune_tx_types(const AV1_COMP *cpi, BLOCK_SIZE bsize, MACROBLOCK *x,
Urvang Joshi's avatar
Urvang Joshi committed
848
                          const MACROBLOCKD *const xd, int tx_set) {
849
#if CONFIG_EXT_TX
Yaowu Xu's avatar
Yaowu Xu committed
850
  const int *tx_set_1D = tx_set >= 0 ? ext_tx_used_inter_1D[tx_set] : NULL;
851
#else
852
  const int tx_set_1D[TX_TYPES_1D] = { 0 };
853
#endif  // CONFIG_EXT_TX
854

855
  switch (cpi->sf.tx_type_search.prune_mode) {
856
857
    case NO_PRUNE: return 0; break;
    case PRUNE_ONE:
858
      if ((tx_set >= 0) && !(tx_set_1D[FLIPADST_1D] & tx_set_1D[ADST_1D]))
859
        return 0;
860
861
      return prune_one_for_sby(cpi, bsize, x, xd);
      break;
862
863
#if CONFIG_EXT_TX
    case PRUNE_TWO:
864
      if ((tx_set >= 0) && !(tx_set_1D[FLIPADST_1D] & tx_set_1D[ADST_1D])) {
865
        if (!(tx_set_1D[DCT_1D] & tx_set_1D[IDTX_1D])) return 0;
866
867
        return prune_two_for_sby(cpi, bsize, x, xd, 0, 1);
      }
868
      if ((tx_set >= 0) && !(tx_set_1D[DCT_1D] & tx_set_1D[IDTX_1D]))
869
870
        return prune_two_for_sby(cpi, bsize, x, xd, 1, 0);
      return prune_two_for_sby(cpi, bsize, x, xd, 1, 1);
871
      break;
872
#endif  // CONFIG_EXT_TX
873
874
875
876
877
  }
  assert(0);
  return 0;
}

878
static int do_tx_type_search(TX_TYPE tx_type, int prune) {
879
880
881
// TODO(sarahparker) implement for non ext tx
#if CONFIG_EXT_TX
  return !(((prune >> vtx_tab[tx_type]) & 1) |
882
           ((prune >> (htx_tab[tx_type] + 8)) & 1));
883
884
#else
  // temporary to avoid compiler warnings
885
886
887
888
  (void)vtx_tab;
  (void)htx_tab;
  (void)tx_type;
  (void)prune;
889
  return 1;
890
#endif  // CONFIG_EXT_TX
891
892
}

Yaowu Xu's avatar
Yaowu Xu committed
893
static void model_rd_from_sse(const AV1_COMP *const cpi,
894
895
                              const MACROBLOCKD *const xd, BLOCK_SIZE bsize,
                              int plane, int64_t sse, int *rate,
Geza Lore's avatar
Geza Lore committed
896
897
898
                              int64_t *dist) {
  const struct macroblockd_plane *const pd = &xd->plane[plane];
  const int dequant_shift =
899
#if CONFIG_HIGHBITDEPTH
900
      (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? xd->bd - 5 :
901
#endif  // CONFIG_HIGHBITDEPTH
902
                                                    3;
Geza Lore's avatar
Geza Lore committed
903
904
905
906
907
908
909

  // Fast approximate the modelling function.
  if (cpi->sf.simple_model_rd_from_var) {
    const int64_t square_error = sse;
    int quantizer = (pd->dequant[1] >> dequant_shift);

    if (quantizer < 120)
Yaowu Xu's avatar
Yaowu Xu committed
910
      *rate = (int)((square_error * (280 - quantizer)) >>
Yaowu Xu's avatar
Yaowu Xu committed
911
                    (16 - AV1_PROB_COST_SHIFT));
Geza Lore's avatar
Geza Lore committed
912
913
914
915
    else
      *rate = 0;
    *dist = (square_error * quantizer) >> 8;
  } else {
Yaowu Xu's avatar
Yaowu Xu committed
916
917
    av1_model_rd_from_var_lapndz(sse, num_pels_log2_lookup[bsize],
                                 pd->dequant[1] >> dequant_shift, rate, dist);
Geza Lore's avatar
Geza Lore committed
918
919
920
921
922
  }

  *dist <<= 4;
}

Yaowu Xu's avatar
Yaowu Xu committed
923
static void model_rd_for_sb(const AV1_COMP *const cpi, BLOCK_SIZE bsize,
924
925
926
927
                            MACROBLOCK *x, MACROBLOCKD *xd, int plane_from,
                            int plane_to, int *out_rate_sum,
                            int64_t *out_dist_sum, int *skip_txfm_sb,
                            int64_t *skip_sse_sb) {
Jingning Han's avatar
Jingning Han committed
928
929
930
  // Note our transform coeffs are 8 times an orthogonal transform.
  // Hence quantizer step is also 8 times. To get effective quantizer
  // we need to divide by 8 before sending to modeling function.
Geza Lore's avatar
Geza Lore committed
931
932
933
  int plane;
  const int ref = xd->mi[0]->mbmi.ref_frame[0];

Jingning Han's avatar
Jingning Han committed
934
935
936
937
938
939
  int64_t rate_sum = 0;
  int64_t dist_sum = 0;
  int64_t total_sse = 0;

  x->pred_sse[ref] = 0;

Geza Lore's avatar
Geza Lore committed
940
941
942
  for (plane = plane_from; plane <= plane_to; ++plane) {
    struct macroblock_plane *const p = &x->plane[plane];
    struct macroblockd_plane *const pd = &xd->plane[plane];
Jingning Han's avatar
Jingning Han committed
943
#if CONFIG_CB4X4 && !CONFIG_CHROMA_2X2
944
945
    const BLOCK_SIZE bs = AOMMAX(BLOCK_4X4, get_plane_block_size(bsize, pd));
#else
Jingning Han's avatar
Jingning Han committed
946
    const BLOCK_SIZE bs = get_plane_block_size(bsize, pd);
947
#endif  // CONFIG_CB4X4 && !CONFIG_CHROMA_2X2
Jingning Han's avatar
Jingning Han committed
948

Geza Lore's avatar
Geza Lore committed
949
950
951
    unsigned int sse;
    int rate;
    int64_t dist;
Jingning Han's avatar
Jingning Han committed
952

953
954
#if CONFIG_CB4X4
    if (x->skip_chroma_rd && plane) continue;
955
#endif  // CONFIG_CB4X4
956

Geza Lore's avatar
Geza Lore committed
957
958
    // TODO(geza): Write direct sse functions that do not compute
    // variance as well.
959
960
    cpi->fn_ptr[bs].vf(p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride,
                       &sse);
Jingning Han's avatar
Jingning Han committed
961

962
    if (plane == 0) x->pred_sse[ref] = sse;
Jingning Han's avatar
Jingning Han committed
963

Geza Lore's avatar
Geza Lore committed
964
    total_sse += sse;
Jingning Han's avatar
Jingning Han committed
965

Geza Lore's avatar
Geza Lore committed
966
    model_rd_from_sse(cpi, xd, bs, plane, sse, &rate, &dist);
Geza Lore's avatar
Geza Lore committed
967
968
969

    rate_sum += rate;
    dist_sum += dist;
Jingning Han's avatar
Jingning Han committed
970
971
  }

Geza Lore's avatar
Geza Lore committed
972
  *skip_txfm_sb = total_sse == 0;
Jingning Han's avatar
Jingning Han committed
973
974
  *skip_sse_sb = total_sse << 4;
  *out_rate_sum = (int)rate_sum;
Geza Lore's avatar
Geza Lore committed
975
  *out_dist_sum = dist_sum;
Jingning Han's avatar
Jingning Han committed
976
977
}

Yaowu Xu's avatar
Yaowu Xu committed
978
979
int64_t av1_block_error_c(const tran_low_t *coeff, const tran_low_t *dqcoeff,
                          intptr_t block_size, int64_t *ssz) {
Jingning Han's avatar
Jingning Han committed
980
981
982
983
984
  int i;
  int64_t error = 0, sqcoeff = 0;

  for (i = 0; i < block_size; i++) {
    const int diff = coeff[i] - dqcoeff[i];
985
    error += diff * diff;
Jingning Han's avatar
Jingning Han committed
986
987
988
989
990
991
992
    sqcoeff += coeff[i] * coeff[i];
  }

  *ssz = sqcoeff;
  return error;
}

Yaowu Xu's avatar
Yaowu Xu committed
993
994
int64_t av1_block_error_fp_c(const int16_t *coeff, const int16_t *dqcoeff,
                             int block_size) {
Jingning Han's avatar
Jingning Han committed
995
996
997
998
999
  int i;
  int64_t error = 0;

  for (i = 0; i < block_size; i++) {
    const int diff = coeff[i] - dqcoeff[i];
1000
    error += diff * diff;
For faster browsing, not all history is shown. View entire blame