onyxc_int.h 47.3 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
 */

Yaowu Xu's avatar
Yaowu Xu committed
12
13
#ifndef AV1_COMMON_ONYXC_INT_H_
#define AV1_COMMON_ONYXC_INT_H_
Jingning Han's avatar
Jingning Han committed
14

Yaowu Xu's avatar
Yaowu Xu committed
15
#include "./aom_config.h"
Yaowu Xu's avatar
Yaowu Xu committed
16
#include "./av1_rtcd.h"
Yaowu Xu's avatar
Yaowu Xu committed
17
18
#include "aom/internal/aom_codec_internal.h"
#include "aom_util/aom_thread.h"
19
20
21
#if CONFIG_ANS
#include "aom_dsp/ans.h"
#endif
22
#include "av1/common/alloccommon.h"
23
#include "av1/common/av1_loopfilter.h"
24
25
#include "av1/common/entropy.h"
#include "av1/common/entropymode.h"
Yaowu Xu's avatar
Yaowu Xu committed
26
#include "av1/common/entropymv.h"
27
#include "av1/common/frame_buffers.h"
Yaowu Xu's avatar
Yaowu Xu committed
28
#include "av1/common/mv.h"
29
#include "av1/common/quant_common.h"
30
#if CONFIG_LOOP_RESTORATION
31
#include "av1/common/restoration.h"
32
#endif  // CONFIG_LOOP_RESTORATION
Yaowu Xu's avatar
Yaowu Xu committed
33
#include "av1/common/tile_common.h"
34
#include "av1/common/odintrin.h"
Luc Trudeau's avatar
Luc Trudeau committed
35
36
37
#if CONFIG_CFL
#include "av1/common/cfl.h"
#endif
38
39
40
41
#if CONFIG_HASH_ME
// TODO(youzhou@microsoft.com): Encoder only. Move it out of common
#include "av1/encoder/hash_motion.h"
#endif
Jingning Han's avatar
Jingning Han committed
42
43
44
45
#ifdef __cplusplus
extern "C" {
#endif

46
47
48
49
50
#if defined(__clang__) && defined(__has_warning)
#if __has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough")
#define AOM_FALLTHROUGH_INTENDED [[clang::fallthrough]]  // NOLINT
#endif
#elif defined(__GNUC__) && __GNUC__ >= 7
51
#define AOM_FALLTHROUGH_INTENDED __attribute__((fallthrough))  // NOLINT
52
53
54
55
56
57
58
59
#endif

#ifndef AOM_FALLTHROUGH_INTENDED
#define AOM_FALLTHROUGH_INTENDED \
  do {                           \
  } while (0)
#endif

60
61
#define CDEF_MAX_STRENGTHS 16

Jingning Han's avatar
Jingning Han committed
62
63
64
65
66
67
68
69
70
71
72
#define REF_FRAMES_LOG2 3
#define REF_FRAMES (1 << REF_FRAMES_LOG2)

// 4 scratch frames for the new frames to support a maximum of 4 cores decoding
// in parallel, 3 for scaled references on the encoder.
// TODO(hkuang): Add ondemand frame buffers instead of hardcoding the number
// of framebuffers.
// TODO(jkoleszar): These 3 extra references could probably come from the
// normal reference pool.
#define FRAME_BUFFERS (REF_FRAMES + 7)

73
74
75
#if CONFIG_REFERENCE_BUFFER
/* Constant values while waiting for the sequence header */
#define FRAME_ID_NUMBERS_PRESENT_FLAG 1
76
77
78
#define FRAME_ID_LENGTH 15
#define DELTA_FRAME_ID_LENGTH 14
#endif  // CONFIG_REFERENCE_BUFFER
79

80
81
82
83
84
85
#if CONFIG_NO_FRAME_CONTEXT_SIGNALING
#define FRAME_CONTEXTS (FRAME_BUFFERS + 1)
// Extra frame context which is always kept at default values
#define FRAME_CONTEXT_DEFAULTS (FRAME_CONTEXTS - 1)
#else

86
87
#define FRAME_CONTEXTS_LOG2 3

Jingning Han's avatar
Jingning Han committed
88
#define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
89
#endif  // CONFIG_NO_FRAME_CONTEXT_SIGNALING
Jingning Han's avatar
Jingning Han committed
90
91
92
93

#define NUM_PING_PONG_BUFFERS 2

typedef enum {
clang-format's avatar
clang-format committed
94
95
  SINGLE_REFERENCE = 0,
  COMPOUND_REFERENCE = 1,
Jingning Han's avatar
Jingning Han committed
96
  REFERENCE_MODE_SELECT = 2,
clang-format's avatar
clang-format committed
97
  REFERENCE_MODES = 3,
Jingning Han's avatar
Jingning Han committed
98
99
} REFERENCE_MODE;

100
#if !CONFIG_NO_FRAME_CONTEXT_SIGNALING
101
102
103
104
105
typedef enum {
  RESET_FRAME_CONTEXT_NONE = 0,
  RESET_FRAME_CONTEXT_CURRENT = 1,
  RESET_FRAME_CONTEXT_ALL = 2,
} RESET_FRAME_CONTEXT_MODE;
106
#endif
107

108
109
110
111
112
113
114
115
116
117
118
119
120
typedef enum {
  /**
   * Update frame context to values resulting from forward probability
   * updates signaled in the frame header
   */
  REFRESH_FRAME_CONTEXT_FORWARD,
  /**
   * Update frame context to values resulting from backward probability
   * updates based on entropy/counts in the decoded frame
   */
  REFRESH_FRAME_CONTEXT_BACKWARD,
} REFRESH_FRAME_CONTEXT_MODE;

121
#if CONFIG_MFMV
122
#define MFMV_STACK_SIZE 3
123
124
125
126
127
128

typedef struct {
  int_mv mfmv[INTER_REFS_PER_FRAME][MFMV_STACK_SIZE];
} TPL_MV_REF;
#endif

Jingning Han's avatar
Jingning Han committed
129
130
typedef struct {
  int_mv mv[2];
Yaowu Xu's avatar
Yaowu Xu committed
131
  int_mv pred_mv[2];
Jingning Han's avatar
Jingning Han committed
132
133
134
135
136
  MV_REFERENCE_FRAME ref_frame[2];
} MV_REF;

typedef struct {
  int ref_count;
137

138
#if CONFIG_FRAME_MARKER
139
140
141
142
143
144
145
146
  unsigned int cur_frame_offset;
  unsigned int lst_frame_offset;
  unsigned int alt_frame_offset;
  unsigned int gld_frame_offset;
  unsigned int lst2_frame_offset;
  unsigned int lst3_frame_offset;
  unsigned int bwd_frame_offset;
  unsigned int alt2_frame_offset;
147
148
#endif  // CONFIG_FRAME_MARKER

Jingning Han's avatar
Jingning Han committed
149
150
151
  MV_REF *mvs;
  int mi_rows;
  int mi_cols;
152
153
154
155
  // Width and height give the size of the buffer (before any upscaling, unlike
  // the sizes that can be derived from the buf structure)
  int width;
  int height;
156
  WarpedMotionParams global_motion[TOTAL_REFS_PER_FRAME];
Yaowu Xu's avatar
Yaowu Xu committed
157
  aom_codec_frame_buffer_t raw_frame_buffer;
Jingning Han's avatar
Jingning Han committed
158
  YV12_BUFFER_CONFIG buf;
159
160
161
#if CONFIG_HASH_ME
  hash_table hash_table;
#endif
162
163
164
#if CONFIG_TEMPMV_SIGNALING
  uint8_t intra_only;
#endif
Jingning Han's avatar
Jingning Han committed
165
166
167
168
  // The Following variables will only be used in frame parallel decode.

  // frame_worker_owner indicates which FrameWorker owns this buffer. NULL means
  // that no FrameWorker owns, or is decoding, this buffer.
Yaowu Xu's avatar
Yaowu Xu committed
169
  AVxWorker *frame_worker_owner;
Jingning Han's avatar
Jingning Han committed
170
171
172
173
174
175
176
177
178

  // row and col indicate which position frame has been decoded to in real
  // pixel unit. They are reset to -1 when decoding begins and set to INT_MAX
  // when the frame is fully decoded.
  int row;
  int col;
} RefCntBuffer;

typedef struct BufferPool {
clang-format's avatar
clang-format committed
179
180
181
// Protect BufferPool from being accessed by several FrameWorkers at
// the same time during frame parallel decode.
// TODO(hkuang): Try to use atomic variable instead of locking the whole pool.
Jingning Han's avatar
Jingning Han committed
182
183
184
185
186
187
188
#if CONFIG_MULTITHREAD
  pthread_mutex_t pool_mutex;
#endif

  // Private data associated with the frame buffer callbacks.
  void *cb_priv;

Yaowu Xu's avatar
Yaowu Xu committed
189
190
  aom_get_frame_buffer_cb_fn_t get_fb_cb;
  aom_release_frame_buffer_cb_fn_t release_fb_cb;
Jingning Han's avatar
Jingning Han committed
191
192
193
194
195
196
197

  RefCntBuffer frame_bufs[FRAME_BUFFERS];

  // Frame buffers allocated internally by the codec.
  InternalFrameBufferList int_frame_buffers;
} BufferPool;

198
199
#if CONFIG_LV_MAP
typedef struct {
200
  int base_ctx_table[2 /*row*/][2 /*col*/][3 /*sig_map*/]
201
202
                    [BASE_CONTEXT_POSITION_NUM + 1];
} LV_MAP_CTX_TABLE;
203
typedef int BASE_CTX_TABLE[2 /*col*/][3 /*sig_map*/]
204
205
206
                          [BASE_CONTEXT_POSITION_NUM + 1];
#endif

207
208
209
#if CONFIG_REFERENCE_BUFFER
/* Initial version of sequence header structure */
typedef struct SequenceHeader {
210
211
212
213
214
215
#if CONFIG_FRAME_SIZE
  int num_bits_width;
  int num_bits_height;
  int max_frame_width;
  int max_frame_height;
#endif
216
  int frame_id_numbers_present_flag;
217
218
  int frame_id_length;
  int delta_frame_id_length;
219
220
221
#if CONFIG_MONO_VIDEO
  int monochrome;
#endif  // CONFIG_MONO_VIDEO
222
223
224
} SequenceHeader;
#endif  // CONFIG_REFERENCE_BUFFER

Yaowu Xu's avatar
Yaowu Xu committed
225
226
227
typedef struct AV1Common {
  struct aom_internal_error_info error;
  aom_color_space_t color_space;
228
229
  aom_transfer_function_t transfer_function;
  aom_chroma_sample_position_t chroma_sample_position;
230
  int color_range;
Jingning Han's avatar
Jingning Han committed
231
232
  int width;
  int height;
233
234
  int render_width;
  int render_height;
Jingning Han's avatar
Jingning Han committed
235
236
237
238
239
240
241
242
  int last_width;
  int last_height;

  // TODO(jkoleszar): this implies chroma ss right now, but could vary per
  // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
  // support additional planes.
  int subsampling_x;
  int subsampling_y;
243
244
245
#if CONFIG_SIMPLE_BWD_ADAPT
  int largest_tile_id;
#endif
Jingning Han's avatar
Jingning Han committed
246

247
#if CONFIG_HIGHBITDEPTH
248
249
  // Marks if we need to use 16bit frame buffers (1: yes, 0: no).
  int use_highbitdepth;
Jingning Han's avatar
Jingning Han committed
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
#endif
  YV12_BUFFER_CONFIG *frame_to_show;
  RefCntBuffer *prev_frame;

  // TODO(hkuang): Combine this with cur_buf in macroblockd.
  RefCntBuffer *cur_frame;

  int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */

  // Prepare ref_frame_map for the next frame.
  // Only used in frame parallel decode.
  int next_ref_frame_map[REF_FRAMES];

  // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
  // roll new_fb_idx into it.

266
267
  // Each Inter frame can reference INTER_REFS_PER_FRAME buffers
  RefBuffer frame_refs[INTER_REFS_PER_FRAME];
Zoe Liu's avatar
Zoe Liu committed
268
269
270
271
272
#if CONFIG_EXT_SKIP
  int is_skip_mode_allowed;
  int ref_frame_idx_0;
  int ref_frame_idx_1;
#endif  // CONFIG_EXT_SKIP
Jingning Han's avatar
Jingning Han committed
273
274
275

  int new_fb_idx;

clang-format's avatar
clang-format committed
276
  FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
Jingning Han's avatar
Jingning Han committed
277
278
279
280
281
  FRAME_TYPE frame_type;

  int show_frame;
  int last_show_frame;
  int show_existing_frame;
282
283
  // Flag for a frame used as a reference - not written to the bitstream
  int is_reference_frame;
Jingning Han's avatar
Jingning Han committed
284
285
286
287
288
289

  // Flag signaling that the frame is encoded using only INTRA modes.
  uint8_t intra_only;
  uint8_t last_intra_only;

  int allow_high_precision_mv;
RogerZhou's avatar
RogerZhou committed
290
#if CONFIG_AMVR
291
292
293
294
  int seq_force_integer_mv;        // 0 - Not to force. MV can be in 1/4 or 1/8
                                   // 1 - force to integer
                                   // 2 - adaptive
  int cur_frame_force_integer_mv;  // 0 the default in AOM, 1 only integer
RogerZhou's avatar
RogerZhou committed
295
#endif
Jingning Han's avatar
Jingning Han committed
296

hui su's avatar
hui su committed
297
  int allow_screen_content_tools;
298
299
300
#if CONFIG_INTRABC
  int allow_intrabc;
#endif  // CONFIG_INTRABC
301
302
  int allow_interintra_compound;
  int allow_masked_compound;
hui su's avatar
hui su committed
303

304
#if !CONFIG_NO_FRAME_CONTEXT_SIGNALING
305
306
  // Flag signaling which frame contexts should be reset to default values.
  RESET_FRAME_CONTEXT_MODE reset_frame_context;
307
#endif
Jingning Han's avatar
Jingning Han committed
308
309
310
311
312
313
314
315
316
317
318
319
320

  // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
  // MODE_INFO (8-pixel) units.
  int MBs;
  int mb_rows, mi_rows;
  int mb_cols, mi_cols;
  int mi_stride;

  /* profile settings */
  TX_MODE tx_mode;

  int base_qindex;
  int y_dc_delta_q;
321
322
323
324
  int u_dc_delta_q;
  int v_dc_delta_q;
  int u_ac_delta_q;
  int v_ac_delta_q;
325
326
327
328
  // The dequantizers below are true dequntizers used only in the
  // dequantization process.  They have the same coefficient
  // shift/scale as TX.
  int16_t y_dequant_QTX[MAX_SEGMENTS][2];
329
330
  int16_t u_dequant_QTX[MAX_SEGMENTS][2];
  int16_t v_dequant_QTX[MAX_SEGMENTS][2];
331
332
333

#if CONFIG_AOM_QM
  // Global quant matrix tables
334
335
  qm_val_t *giqmatrix[NUM_QM_LEVELS][2][TX_SIZES_ALL];
  qm_val_t *gqmatrix[NUM_QM_LEVELS][2][TX_SIZES_ALL];
336
337

  // Local quant matrix tables for each frame
338
339
  qm_val_t *y_iqmatrix[MAX_SEGMENTS][TX_SIZES_ALL];
  qm_val_t *uv_iqmatrix[MAX_SEGMENTS][TX_SIZES_ALL];
340

341
  // Encoder
342
343
  qm_val_t *y_qmatrix[MAX_SEGMENTS][TX_SIZES_ALL];
  qm_val_t *uv_qmatrix[MAX_SEGMENTS][TX_SIZES_ALL];
344
345
346
347
348

  int using_qmatrix;
  int min_qmlevel;
  int max_qmlevel;
#endif
349
#if CONFIG_NEW_QUANT
350
351
  dequant_val_type_nuq y_dequant_nuq_QTX[MAX_SEGMENTS][QUANT_PROFILES]
                                        [COEF_BANDS];
352
353
354
355
  dequant_val_type_nuq u_dequant_nuq_QTX[MAX_SEGMENTS][QUANT_PROFILES]
                                        [COEF_BANDS];
  dequant_val_type_nuq v_dequant_nuq_QTX[MAX_SEGMENTS][QUANT_PROFILES]
                                        [COEF_BANDS];
356
#endif
Jingning Han's avatar
Jingning Han committed
357
358
359
360
361
362
363
364

  /* We allocate a MODE_INFO struct for each macroblock, together with
     an extra row on top and column on the left to simplify prediction. */
  int mi_alloc_size;
  MODE_INFO *mip; /* Base of allocated array */
  MODE_INFO *mi;  /* Corresponds to upper left visible macroblock */

  // TODO(agrange): Move prev_mi into encoder structure.
Yaowu Xu's avatar
Yaowu Xu committed
365
  // prev_mip and prev_mi will only be allocated in encoder.
Jingning Han's avatar
Jingning Han committed
366
367
368
369
  MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
  MODE_INFO *prev_mi;  /* 'mi' from last frame (points into prev_mip) */

  // Separate mi functions between encoder and decoder.
Yaowu Xu's avatar
Yaowu Xu committed
370
371
372
  int (*alloc_mi)(struct AV1Common *cm, int mi_size);
  void (*free_mi)(struct AV1Common *cm);
  void (*setup_mi)(struct AV1Common *cm);
Jingning Han's avatar
Jingning Han committed
373
374
375
376
377
378
379
380
381
382
383

  // Grid of pointers to 8x8 MODE_INFO structs.  Any 8x8 not in the visible
  // area will be NULL.
  MODE_INFO **mi_grid_base;
  MODE_INFO **mi_grid_visible;
  MODE_INFO **prev_mi_grid_base;
  MODE_INFO **prev_mi_grid_visible;

  // Whether to use previous frame's motion vectors for prediction.
  int use_prev_frame_mvs;

384
385
  int use_ref_frame_mvs;

Jingning Han's avatar
Jingning Han committed
386
387
388
389
390
391
392
  // Persistent mb segment id map used in prediction.
  int seg_map_idx;
  int prev_seg_map_idx;

  uint8_t *seg_map_array[NUM_PING_PONG_BUFFERS];
  uint8_t *last_frame_seg_map;
  uint8_t *current_frame_seg_map;
393
394
395
#if CONFIG_Q_SEGMENTATION
  uint8_t *q_seg_map;
#endif
Jingning Han's avatar
Jingning Han committed
396
397
  int seg_map_alloc_size;

James Zern's avatar
James Zern committed
398
  InterpFilter interp_filter;
Jingning Han's avatar
Jingning Han committed
399
400

  loop_filter_info_n lf_info;
401
#if CONFIG_FRAME_SUPERRES
402
403
  // The denominator of the superres scale; the numerator is fixed.
  uint8_t superres_scale_denominator;
404
405
  int superres_upscaled_width;
  int superres_upscaled_height;
406
#endif  // CONFIG_FRAME_SUPERRES
407
#if CONFIG_LOOP_RESTORATION
408
  RestorationInfo rst_info[MAX_MB_PLANE];
409
410
411
412
413
414

  // rst_end_stripe[i] is one more than the index of the bottom stripe
  // for tile row i.
  int rst_end_stripe[MAX_TILE_ROWS];

  // Pointer to a scratch buffer used by self-guided restoration
415
  int32_t *rst_tmpbuf;
416
#endif  // CONFIG_LOOP_RESTORATION
Jingning Han's avatar
Jingning Han committed
417

418
419
420
  // Flag signaling how frame contexts should be updated at the end of
  // a frame decode
  REFRESH_FRAME_CONTEXT_MODE refresh_frame_context;
Jingning Han's avatar
Jingning Han committed
421

clang-format's avatar
clang-format committed
422
  int ref_frame_sign_bias[TOTAL_REFS_PER_FRAME]; /* Two state 0, 1 */
Jingning Han's avatar
Jingning Han committed
423
424
425

  struct loopfilter lf;
  struct segmentation seg;
426
  int all_lossless;
Jingning Han's avatar
Jingning Han committed
427
428
  int frame_parallel_decode;  // frame-based threading.

429
430
  int reduced_tx_set_used;

431
  // Context probabilities for reference frame prediction
432
433
  MV_REFERENCE_FRAME comp_fwd_ref[FWD_REFS];
  MV_REFERENCE_FRAME comp_bwd_ref[BWD_REFS];
Jingning Han's avatar
Jingning Han committed
434
435
  REFERENCE_MODE reference_mode;

clang-format's avatar
clang-format committed
436
437
  FRAME_CONTEXT *fc;              /* this frame entropy */
  FRAME_CONTEXT *frame_contexts;  // FRAME_CONTEXTS
438
  FRAME_CONTEXT *pre_fc;          // Context referenced in this frame
439
#if !CONFIG_NO_FRAME_CONTEXT_SIGNALING
clang-format's avatar
clang-format committed
440
  unsigned int frame_context_idx; /* Context to use/update */
441
#endif
Jingning Han's avatar
Jingning Han committed
442
443
  FRAME_COUNTS counts;

444
#if CONFIG_FRAME_MARKER
445
446
447
  unsigned int frame_offset;
#endif

Jingning Han's avatar
Jingning Han committed
448
449
450
  unsigned int current_video_frame;
  BITSTREAM_PROFILE profile;

Yaowu Xu's avatar
Yaowu Xu committed
451
452
453
  // AOM_BITS_8 in profile 0 or 1, AOM_BITS_10 or AOM_BITS_12 in profile 2 or 3.
  aom_bit_depth_t bit_depth;
  aom_bit_depth_t dequant_bit_depth;  // bit_depth of current dequantizer
Jingning Han's avatar
Jingning Han committed
454
455
456

  int error_resilient_mode;

457
  int tile_cols, tile_rows;
458
  int last_tile_cols, last_tile_rows;
459
460
461
462
463
464
465
466
467
468
469
470
471
472

#if CONFIG_MAX_TILE
  int min_log2_tile_cols;
  int max_log2_tile_cols;
  int max_log2_tile_rows;
  int min_log2_tile_rows;
  int min_log2_tiles;
  int max_tile_width_sb;
  int max_tile_height_sb;
  int uniform_tile_spacing_flag;
  int log2_tile_cols;                        // only valid for uniform tiles
  int log2_tile_rows;                        // only valid for uniform tiles
  int tile_col_start_sb[MAX_TILE_COLS + 1];  // valid for 0 <= i <= tile_cols
  int tile_row_start_sb[MAX_TILE_ROWS + 1];  // valid for 0 <= i <= tile_rows
473
474
475
#if CONFIG_DEPENDENT_HORZTILES
  int tile_row_independent[MAX_TILE_ROWS];  // valid for 0 <= i <  tile_rows
#endif
476
477
478
479
480
#else
  int log2_tile_cols, log2_tile_rows;  // Used in non-large_scale_tile_coding.
  int tile_width, tile_height;         // In MI units
#endif  // CONFIG_MAX_TILE

481
#if CONFIG_EXT_TILE
482
483
  unsigned int large_scale_tile;
  unsigned int single_tile_decoding;
484
#endif  // CONFIG_EXT_TILE
485

486
487
488
489
#if CONFIG_MONO_VIDEO
  int monochrome;
#endif  // CONFIG_MONO_VIDEO

490
491
#if CONFIG_DEPENDENT_HORZTILES
  int dependent_horz_tiles;
492
493
494
  int tile_group_start_row[MAX_TILE_ROWS][MAX_TILE_COLS];
  int tile_group_start_col[MAX_TILE_ROWS][MAX_TILE_COLS];
#endif
495
#if CONFIG_LOOPFILTERING_ACROSS_TILES
496
  int loop_filter_across_tiles_enabled;
497
#endif  // CONFIG_LOOPFILTERING_ACROSS_TILES
498

Jingning Han's avatar
Jingning Han committed
499
500
501
502
503
  int byte_alignment;
  int skip_loop_filter;

  // Private data associated with the frame buffer callbacks.
  void *cb_priv;
Yaowu Xu's avatar
Yaowu Xu committed
504
505
  aom_get_frame_buffer_cb_fn_t get_fb_cb;
  aom_release_frame_buffer_cb_fn_t release_fb_cb;
Jingning Han's avatar
Jingning Han committed
506
507
508
509
510
511
512
513

  // Handles memory for the codec.
  InternalFrameBufferList int_frame_buffers;

  // External BufferPool passed from outside.
  BufferPool *buffer_pool;

  PARTITION_CONTEXT *above_seg_context;
514
  ENTROPY_CONTEXT *above_context[MAX_MB_PLANE];
515
  TXFM_CONTEXT *above_txfm_context;
516
517
  TXFM_CONTEXT *top_txfm_context[MAX_MB_PLANE];
  TXFM_CONTEXT left_txfm_context[MAX_MB_PLANE][2 * MAX_MIB_SIZE];
Jingning Han's avatar
Jingning Han committed
518
  int above_context_alloc_cols;
519
520
521
522

  // scratch memory for intraonly/keyframe forward updates from default tables
  // - this is intentionally not placed in FRAME_CONTEXT since it's reset upon
  // each keyframe and not used afterwards
Yaowu Xu's avatar
Yaowu Xu committed
523
  aom_prob kf_y_prob[INTRA_MODES][INTRA_MODES][INTRA_MODES - 1];
524
  WarpedMotionParams global_motion[TOTAL_REFS_PER_FRAME];
525

clang-format's avatar
clang-format committed
526
527
528
  BLOCK_SIZE sb_size;  // Size of the superblock used for this frame
  int mib_size;        // Size of the superblock in units of MI blocks
  int mib_size_log2;   // Log 2 of above.
529
#if CONFIG_CDEF
Steinar Midtskogen's avatar
Steinar Midtskogen committed
530
531
  int cdef_pri_damping;
  int cdef_sec_damping;
532
533
  int nb_cdef_strengths;
  int cdef_strengths[CDEF_MAX_STRENGTHS];
534
  int cdef_uv_strengths[CDEF_MAX_STRENGTHS];
535
  int cdef_bits;
Yaowu Xu's avatar
Yaowu Xu committed
536
#endif
537

538
  int delta_q_present_flag;
539
540
  // Resolution of delta quant
  int delta_q_res;
Fangwen Fu's avatar
Fangwen Fu committed
541
542
543
544
#if CONFIG_EXT_DELTA_Q
  int delta_lf_present_flag;
  // Resolution of delta lf level
  int delta_lf_res;
545
546
547
548
549
550
#if CONFIG_LOOPFILTER_LEVEL
  // This is a flag for number of deltas of loop filter level
  // 0: use 1 delta, for y_vertical, y_horizontal, u, and v
  // 1: use separate deltas for each filter level
  int delta_lf_multi;
#endif  // CONFIG_LOOPFILTER_LEVEL
551
#endif
552
  int num_tg;
553
#if CONFIG_REFERENCE_BUFFER
554
  SequenceHeader seq_params;
555
556
557
558
559
  int current_frame_id;
  int ref_frame_id[REF_FRAMES];
  int valid_for_referencing[REF_FRAMES];
  int refresh_mask;
  int invalid_delta_frame_id_minus1;
560
#endif  // CONFIG_REFERENCE_BUFFER
561
562
563
#if CONFIG_ANS && ANS_MAX_SYMBOLS
  int ans_window_size_log2;
#endif
564
565
566
#if CONFIG_LV_MAP
  LV_MAP_CTX_TABLE coeff_ctx_table;
#endif
567
568
569
#if CONFIG_LPF_SB
  int final_lpf_encode;
#endif
570
571
572
#if CONFIG_ADAPT_SCAN
  int use_adapt_scan;
#endif
Jingning Han's avatar
Jingning Han committed
573
574
575
#if CONFIG_MFMV
  TPL_MV_REF *tpl_mvs;
#endif
Yaowu Xu's avatar
Yaowu Xu committed
576
} AV1_COMMON;
Jingning Han's avatar
Jingning Han committed
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595

// TODO(hkuang): Don't need to lock the whole pool after implementing atomic
// frame reference count.
static void lock_buffer_pool(BufferPool *const pool) {
#if CONFIG_MULTITHREAD
  pthread_mutex_lock(&pool->pool_mutex);
#else
  (void)pool;
#endif
}

static void unlock_buffer_pool(BufferPool *const pool) {
#if CONFIG_MULTITHREAD
  pthread_mutex_unlock(&pool->pool_mutex);
#else
  (void)pool;
#endif
}

Yaowu Xu's avatar
Yaowu Xu committed
596
static INLINE YV12_BUFFER_CONFIG *get_ref_frame(AV1_COMMON *cm, int index) {
clang-format's avatar
clang-format committed
597
598
  if (index < 0 || index >= REF_FRAMES) return NULL;
  if (cm->ref_frame_map[index] < 0) return NULL;
Jingning Han's avatar
Jingning Han committed
599
600
601
602
  assert(cm->ref_frame_map[index] < FRAME_BUFFERS);
  return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf;
}

603
static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(
Yaowu Xu's avatar
Yaowu Xu committed
604
    const AV1_COMMON *const cm) {
Jingning Han's avatar
Jingning Han committed
605
606
607
  return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf;
}

Yaowu Xu's avatar
Yaowu Xu committed
608
static INLINE int get_free_fb(AV1_COMMON *cm) {
Jingning Han's avatar
Jingning Han committed
609
610
611
612
613
  RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
  int i;

  lock_buffer_pool(cm->buffer_pool);
  for (i = 0; i < FRAME_BUFFERS; ++i)
clang-format's avatar
clang-format committed
614
    if (frame_bufs[i].ref_count == 0) break;
Jingning Han's avatar
Jingning Han committed
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637

  if (i != FRAME_BUFFERS) {
    frame_bufs[i].ref_count = 1;
  } else {
    // Reset i to be INVALID_IDX to indicate no free buffer found.
    i = INVALID_IDX;
  }

  unlock_buffer_pool(cm->buffer_pool);
  return i;
}

static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
  const int ref_index = *idx;

  if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
    bufs[ref_index].ref_count--;

  *idx = new_idx;

  bufs[new_idx].ref_count++;
}

638
639
640
641
642
#if CONFIG_TEMPMV_SIGNALING
// Returns 1 if this frame might use mvs from some previous frame. This
// function doesn't consider whether prev_frame is actually suitable (see
// frame_can_use_prev_frame_mvs for that)
static INLINE int frame_might_use_prev_frame_mvs(const AV1_COMMON *cm) {
643
644
645
646
647
  return !cm->error_resilient_mode &&
#if CONFIG_EXT_TILE
         !cm->large_scale_tile &&
#endif  // CONFIG_EXT_TILE
         !cm->intra_only;
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
}

// Returns 1 if this frame really can use MVs from some previous frame.
static INLINE int frame_can_use_prev_frame_mvs(const AV1_COMMON *cm) {
  return (frame_might_use_prev_frame_mvs(cm) && cm->last_show_frame &&
          cm->prev_frame && !cm->prev_frame->intra_only &&
          cm->width == cm->prev_frame->width &&
          cm->height == cm->prev_frame->height);
}
#endif

static INLINE void ensure_mv_buffer(RefCntBuffer *buf, AV1_COMMON *cm) {
  if (buf->mvs == NULL || buf->mi_rows < cm->mi_rows ||
      buf->mi_cols < cm->mi_cols) {
    aom_free(buf->mvs);
    buf->mi_rows = cm->mi_rows;
    buf->mi_cols = cm->mi_cols;
665
#if CONFIG_TMV || CONFIG_MFMV
666
667
668
669
670
    CHECK_MEM_ERROR(cm, buf->mvs,
                    (MV_REF *)aom_calloc(
                        ((cm->mi_rows + 1) >> 1) * ((cm->mi_cols + 1) >> 1),
                        sizeof(*buf->mvs)));
#else
671
672
673
    CHECK_MEM_ERROR(
        cm, buf->mvs,
        (MV_REF *)aom_calloc(cm->mi_rows * cm->mi_cols, sizeof(*buf->mvs)));
674
#endif  // CONFIG_TMV
Jingning Han's avatar
Jingning Han committed
675
  }
676
677

#if CONFIG_MFMV
Jingning Han's avatar
Jingning Han committed
678
679
680
681
682
683
684
  if (cm->tpl_mvs == NULL || buf->mi_rows < cm->mi_rows ||
      buf->mi_cols < cm->mi_cols) {
    aom_free(cm->tpl_mvs);
    CHECK_MEM_ERROR(cm, cm->tpl_mvs, (TPL_MV_REF *)aom_calloc(
                                         ((cm->mi_rows + MAX_MIB_SIZE) >> 1) *
                                             (cm->mi_stride >> 1),
                                         sizeof(*cm->tpl_mvs)));
685
  }
Jingning Han's avatar
Jingning Han committed
686
#endif
687
688
}

Yaowu Xu's avatar
Yaowu Xu committed
689
static INLINE int mi_cols_aligned_to_sb(const AV1_COMMON *cm) {
690
691
692
  return ALIGN_POWER_OF_TWO(cm->mi_cols, cm->mib_size_log2);
}

Yaowu Xu's avatar
Yaowu Xu committed
693
static INLINE int mi_rows_aligned_to_sb(const AV1_COMMON *cm) {
694
  return ALIGN_POWER_OF_TWO(cm->mi_rows, cm->mib_size_log2);
Jingning Han's avatar
Jingning Han committed
695
696
}

Yaowu Xu's avatar
Yaowu Xu committed
697
static INLINE int frame_is_intra_only(const AV1_COMMON *const cm) {
Jingning Han's avatar
Jingning Han committed
698
699
700
  return cm->frame_type == KEY_FRAME || cm->intra_only;
}

701
#if CONFIG_CFL
702
#if CONFIG_DEBUG
Luc Trudeau's avatar
Luc Trudeau committed
703
704
705
static INLINE void cfl_clear_sub8x8_val(CFL_CTX *cfl) {
  memset(cfl->sub8x8_val, 0, sizeof(cfl->sub8x8_val));
}
706
#endif  // CONFIG_DEBUG
707
void cfl_init(CFL_CTX *cfl, AV1_COMMON *cm);
Luc Trudeau's avatar
Luc Trudeau committed
708
#endif  // CONFIG_CFL
709

Yaowu Xu's avatar
Yaowu Xu committed
710
static INLINE void av1_init_macroblockd(AV1_COMMON *cm, MACROBLOCKD *xd,
Luc Trudeau's avatar
Luc Trudeau committed
711
712
#if CONFIG_CFL
                                        CFL_CTX *cfl,
713
#endif
Yaowu Xu's avatar
Yaowu Xu committed
714
                                        tran_low_t *dqcoeff) {
715
  for (int i = 0; i < MAX_MB_PLANE; ++i) {
Jingning Han's avatar
Jingning Han committed
716
    xd->plane[i].dqcoeff = dqcoeff;
717
    xd->above_context[i] = cm->above_context[i];
Jingning Han's avatar
Jingning Han committed
718
    if (xd->plane[i].plane_type == PLANE_TYPE_Y) {
719
720
      memcpy(xd->plane[i].seg_dequant_QTX, cm->y_dequant_QTX,
             sizeof(cm->y_dequant_QTX));
721
722
723
724
#if CONFIG_AOM_QM
      memcpy(xd->plane[i].seg_iqmatrix, cm->y_iqmatrix, sizeof(cm->y_iqmatrix));
#endif

725
#if CONFIG_NEW_QUANT
726
727
      memcpy(xd->plane[i].seg_dequant_nuq_QTX, cm->y_dequant_nuq_QTX,
             sizeof(cm->y_dequant_nuq_QTX));
728
729
730
731
732
733
734
735
736
737
738
#endif
    } else if (xd->plane[i].plane_type == 1) {
      memcpy(xd->plane[i].seg_dequant_QTX, cm->u_dequant_QTX,
             sizeof(cm->u_dequant_QTX));
#if CONFIG_AOM_QM
      memcpy(xd->plane[i].seg_iqmatrix, cm->uv_iqmatrix,
             sizeof(cm->uv_iqmatrix));
#endif
#if CONFIG_NEW_QUANT
      memcpy(xd->plane[i].seg_dequant_nuq_QTX, cm->u_dequant_nuq_QTX,
             sizeof(cm->u_dequant_nuq_QTX));
739
#endif
Jingning Han's avatar
Jingning Han committed
740
    } else {
741
742
      memcpy(xd->plane[i].seg_dequant_QTX, cm->v_dequant_QTX,
             sizeof(cm->v_dequant_QTX));
743
744
745
746
#if CONFIG_AOM_QM
      memcpy(xd->plane[i].seg_iqmatrix, cm->uv_iqmatrix,
             sizeof(cm->uv_iqmatrix));
#endif
747
#if CONFIG_NEW_QUANT
748
749
      memcpy(xd->plane[i].seg_dequant_nuq_QTX, cm->v_dequant_nuq_QTX,
             sizeof(cm->v_dequant_nuq_QTX));
750
#endif
Jingning Han's avatar
Jingning Han committed
751
752
    }
  }
753
  xd->fc = cm->fc;
Jingning Han's avatar
Jingning Han committed
754
  xd->above_seg_context = cm->above_seg_context;
755
  xd->above_txfm_context = cm->above_txfm_context;
756
757
758
#if CONFIG_CFL
  cfl_init(cfl, cm);
  xd->cfl = cfl;
759
#endif
Jingning Han's avatar
Jingning Han committed
760
761
762
763
764
765
  xd->mi_stride = cm->mi_stride;
  xd->error_info = &cm->error;
}

static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) {
  int i;
Jingning Han's avatar
Jingning Han committed
766
767
  int row_offset = mi_row;
  int col_offset = mi_col;
Jingning Han's avatar
Jingning Han committed
768
769
  for (i = 0; i < MAX_MB_PLANE; ++i) {
    struct macroblockd_plane *const pd = &xd->plane[i];
770
771
772
773
774
775
    // Offset the buffer pointer
    const BLOCK_SIZE bsize = xd->mi[0]->mbmi.sb_type;
    if (pd->subsampling_y && (mi_row & 0x01) && (mi_size_high[bsize] == 1))
      row_offset = mi_row - 1;
    if (pd->subsampling_x && (mi_col & 0x01) && (mi_size_wide[bsize] == 1))
      col_offset = mi_col - 1;
Jingning Han's avatar
Jingning Han committed
776
777
    int above_idx = col_offset << (MI_SIZE_LOG2 - tx_size_wide_log2[0]);
    int left_idx = (row_offset & MAX_MIB_MASK)
778
                   << (MI_SIZE_LOG2 - tx_size_high_log2[0]);
Jingning Han's avatar
Jingning Han committed
779
780
781
782
783
784
785
    pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x];
    pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y];
  }
}

static INLINE int calc_mi_size(int len) {
  // len is in mi units.
786
  return len + MAX_MIB_SIZE;
Jingning Han's avatar
Jingning Han committed
787
788
}

Jingning Han's avatar
Jingning Han committed
789
static INLINE void set_plane_n4(MACROBLOCKD *const xd, int bw, int bh) {
790
791
792
793
  int i;
  for (i = 0; i < MAX_MB_PLANE; i++) {
    xd->plane[i].n4_w = (bw << 1) >> xd->plane[i].subsampling_x;
    xd->plane[i].n4_h = (bh << 1) >> xd->plane[i].subsampling_y;
Jingning Han's avatar
Jingning Han committed
794
795
796

    xd->plane[i].width = (bw * MI_SIZE) >> xd->plane[i].subsampling_x;
    xd->plane[i].height = (bh * MI_SIZE) >> xd->plane[i].subsampling_y;
797
798
799

    xd->plane[i].width = AOMMAX(xd->plane[i].width, 4);
    xd->plane[i].height = AOMMAX(xd->plane[i].height, 4);
800
801
802
  }
}

803
804
static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
                                  int mi_row, int bh, int mi_col, int bw,
805
806
807
808
#if CONFIG_DEPENDENT_HORZTILES
                                  int dependent_horz_tile_flag,
#endif  // CONFIG_DEPENDENT_HORZTILES
                                  int mi_rows, int mi_cols) {
809
810
811
812
813
  xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
  xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
  xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
  xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;

814
#if CONFIG_DEPENDENT_HORZTILES
815
  if (dependent_horz_tile_flag) {
816
    xd->up_available = (mi_row > tile->mi_row_start) || !tile->tg_horz_boundary;
817
  } else {
818
#endif  // CONFIG_DEPENDENT_HORZTILES
819
820
    // Are edges available for intra prediction?
    xd->up_available = (mi_row > tile->mi_row_start);
821
#if CONFIG_DEPENDENT_HORZTILES
822
  }
823
#endif  // CONFIG_DEPENDENT_HORZTILES
824
825

  xd->left_available = (mi_col > tile->mi_col_start);
826
827
828
829
830
831
  xd->chroma_up_available = xd->up_available;
  xd->chroma_left_available = xd->left_available;
  if (xd->plane[1].subsampling_x && bw < mi_size_wide[BLOCK_8X8])
    xd->chroma_left_available = (mi_col - 1) > tile->mi_col_start;
  if (xd->plane[1].subsampling_y && bh < mi_size_high[BLOCK_8X8])
    xd->chroma_up_available = (mi_row - 1) > tile->mi_row_start;
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
  if (xd->up_available) {
    xd->above_mi = xd->mi[-xd->mi_stride];
    // above_mi may be NULL in encoder's first pass.
    xd->above_mbmi = xd->above_mi ? &xd->above_mi->mbmi : NULL;
  } else {
    xd->above_mi = NULL;
    xd->above_mbmi = NULL;
  }

  if (xd->left_available) {
    xd->left_mi = xd->mi[-1];
    // left_mi may be NULL in encoder's first pass.
    xd->left_mbmi = xd->left_mi ? &xd->left_mi->mbmi : NULL;
  } else {
    xd->left_mi = NULL;
    xd->left_mbmi = NULL;
  }

  xd->n8_h = bh;
  xd->n8_w = bw;
  xd->is_sec_rect = 0;
  if (xd->n8_w < xd->n8_h)
    if (mi_col & (xd->n8_h - 1)) xd->is_sec_rect = 1;

  if (xd->n8_w > xd->n8_h)
    if (mi_row & (xd->n8_w - 1)) xd->is_sec_rect = 1;
Jingning Han's avatar
Jingning Han committed
858
859
}

Yaowu Xu's avatar
Yaowu Xu committed
860
static INLINE const aom_prob *get_y_mode_probs(const AV1_COMMON *cm,
861
862
863
864
                                               const MODE_INFO *mi,
                                               const MODE_INFO *above_mi,
                                               const MODE_INFO *left_mi,
                                               int block) {
Yaowu Xu's avatar
Yaowu Xu committed
865
866
  const PREDICTION_MODE above = av1_above_block_mode(mi, above_mi, block);
  const PREDICTION_MODE left = av1_left_block_mode(mi, left_mi, block);
867
868
869
  return cm->kf_y_prob[above][left];
}

870
871
static INLINE aom_cdf_prob *get_y_mode_cdf(FRAME_CONTEXT *tile_ctx,
                                           const MODE_INFO *mi,
872
873
874
                                           const MODE_INFO *above_mi,
                                           const MODE_INFO *left_mi,
                                           int block) {
875
876
  const PREDICTION_MODE above = av1_above_block_mode(mi, above_mi, block);
  const PREDICTION_MODE left = av1_left_block_mode(mi, left_mi, block);
877
878
879
880
881
882

#if CONFIG_KF_CTX
  int above_ctx = intra_mode_context[above];
  int left_ctx = intra_mode_context[left];
  return tile_ctx->kf_y_cdf[above_ctx][left_ctx];
#else
883
  return tile_ctx->kf_y_cdf[above][left];
884
#endif
885
886
}

clang-format's avatar
clang-format committed
887
888
static INLINE void update_partition_context(MACROBLOCKD *xd, int mi_row,
                                            int mi_col, BLOCK_SIZE subsize,
Jingning Han's avatar
Jingning Han committed
889
890
                                            BLOCK_SIZE bsize) {
  PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
891
  PARTITION_CONTEXT *const left_ctx =
clang-format's avatar
clang-format committed
892
      xd->left_seg_context + (mi_row & MAX_MIB_MASK);
Jingning Han's avatar
Jingning Han committed
893

894
#if CONFIG_EXT_PARTITION_TYPES
895
896
  const int bw = mi_size_wide[bsize];
  const int bh = mi_size_high[bsize];
897
898
899
  memset(above_ctx, partition_context_lookup[subsize].above, bw);
  memset(left_ctx, partition_context_lookup[subsize].left, bh);
#else
Jingning Han's avatar
Jingning Han committed
900
  // num_4x4_blocks_wide_lookup[bsize] / 2
901
  const int bs = mi_size_wide[bsize];
Jingning Han's avatar
Jingning Han committed
902
903
904
905
906
907

  // update the partition context at the end notes. set partition bits
  // of block sizes larger than the current one to be one, and partition
  // bits of smaller block sizes to be zero.
  memset(above_ctx, partition_context_lookup[subsize].above, bs);
  memset(left_ctx, partition_context_lookup[subsize].left, bs);
908
909
910
#endif  // CONFIG_EXT_PARTITION_TYPES
}

911
912
static INLINE int is_chroma_reference(int mi_row, int mi_col, BLOCK_SIZE bsize,
                                      int subsampling_x, int subsampling_y) {
913
914
915
916
917
  const int bw = mi_size_wide[bsize];
  const int bh = mi_size_high[bsize];
  int ref_pos = ((mi_row & 0x01) || !(bh & 0x01) || !subsampling_y) &&
                ((mi_col & 0x01) || !(bw & 0x01) || !subsampling_x);
  return ref_pos;
918
}
919

920
921
static INLINE BLOCK_SIZE scale_chroma_bsize(BLOCK_SIZE bsize, int subsampling_x,
                                            int subsampling_y) {
922
  BLOCK_SIZE bs = bsize;
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
  switch (bsize) {
    case BLOCK_4X4:
      if (subsampling_x == 1 && subsampling_y == 1)
        bs = BLOCK_8X8;
      else if (subsampling_x == 1)
        bs = BLOCK_8X4;
      else if (subsampling_y == 1)
        bs = BLOCK_4X8;
      break;
    case BLOCK_4X8:
      if (subsampling_x == 1 && subsampling_y == 1)
        bs = BLOCK_8X8;
      else if (subsampling_x == 1)
        bs = BLOCK_8X8;
      else if (subsampling_y == 1)
        bs = BLOCK_4X8;
      break;
    case BLOCK_8X4:
      if (subsampling_x == 1 && subsampling_y == 1)
        bs = BLOCK_8X8;
      else if (subsampling_x == 1)
        bs = BLOCK_8X4;
      else if (subsampling_y == 1)
        bs = BLOCK_8X8;
      break;
    case BLOCK_4X16:
      if (subsampling_x == 1 && subsampling_y == 1)
        bs = BLOCK_8X16;
      else if (subsampling_x == 1)
        bs = BLOCK_8X16;
      else if (subsampling_y == 1)
        bs = BLOCK_4X16;
      break;
    case BLOCK_16X4:
      if (subsampling_x == 1 && subsampling_y == 1)
        bs = BLOCK_16X8;
      else if (subsampling_x == 1)
        bs = BLOCK_16X4;
      else if (subsampling_y == 1)
        bs = BLOCK_16X8;
      break;
    default: break;
965
966
967
  }
  return bs;
}
968

969
970
static INLINE aom_cdf_prob cdf_element_prob(const aom_cdf_prob *cdf,
                                            size_t element) {
971
  assert(cdf != NULL);
972
#if !CONFIG_ANS
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
  return (element > 0 ? cdf[element - 1] : CDF_PROB_TOP) - cdf[element];
#else
  return cdf[element] - (element > 0 ? cdf[element - 1] : 0);
#endif
}

static INLINE void partition_gather_horz_alike(aom_cdf_prob *out,
                                               const aom_cdf_prob *const in) {
  out[0] = CDF_PROB_TOP;
  out[0] -= cdf_element_prob(in, PARTITION_HORZ);
  out[0] -= cdf_element_prob(in, PARTITION_SPLIT);
#if CONFIG_EXT_PARTITION_TYPES
  out[0] -= cdf_element_prob(in, PARTITION_HORZ_A);
  out[0] -= cdf_element_prob(in, PARTITION_HORZ_B);
  out[0] -= cdf_element_prob(in, PARTITION_VERT_A);
988
  out[0] -= cdf_element_prob(in, PARTITION_HORZ_4);
989
990
991
992
993
994
995
996
997
998
999
1000
#endif
  out[0] = AOM_ICDF(out[0]);
  out[1] = AOM_ICDF(CDF_PROB_TOP);
}

static INLINE void partition_gather_vert_alike(aom_cdf_prob *out,
                                               const aom_cdf_prob *const in) {
  out[0] = CDF_PROB_TOP;
  out[0] -= cdf_element_prob(in, PARTITION_VERT);
  out[0] -= cdf_element_prob(in, PARTITION_SPLIT);
#if CONFIG_EXT_PARTITION_TYPES
  out[0] -= cdf_element_prob(in, PARTITION_HORZ_A);
For faster browsing, not all history is shown. View entire blame