onyxc_int.h 38.4 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
35
36
37
#include "av1/common/odintrin.h"
#if CONFIG_PVQ
#include "av1/common/pvq.h"
#endif
38
39
40
#if CONFIG_CFL
#include "av1/common/cfl.h"
#endif
41
42
43
44
#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
45
46
47
48
#ifdef __cplusplus
extern "C" {
#endif

49
50
#define CDEF_MAX_STRENGTHS 16

Jingning Han's avatar
Jingning Han committed
51
52
53
54
55
56
57
58
59
60
61
#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)

62
63
64
65
66
67
68
#if CONFIG_REFERENCE_BUFFER
/* Constant values while waiting for the sequence header */
#define FRAME_ID_NUMBERS_PRESENT_FLAG 1
#define FRAME_ID_LENGTH_MINUS7 8         // Allows frame id up to 2^15-1
#define DELTA_FRAME_ID_LENGTH_MINUS2 12  // Allows frame id deltas up to 2^14-1
#endif

69
70
71
72
73
74
#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

75
76
77
#if CONFIG_EXT_REFS
#define FRAME_CONTEXTS_LOG2 3
#else
Jingning Han's avatar
Jingning Han committed
78
#define FRAME_CONTEXTS_LOG2 2
79
80
#endif

Jingning Han's avatar
Jingning Han committed
81
#define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
82
#endif  // CONFIG_NO_FRAME_CONTEXT_SIGNALING
Jingning Han's avatar
Jingning Han committed
83
84
85
86

#define NUM_PING_PONG_BUFFERS 2

typedef enum {
clang-format's avatar
clang-format committed
87
88
  SINGLE_REFERENCE = 0,
  COMPOUND_REFERENCE = 1,
Jingning Han's avatar
Jingning Han committed
89
  REFERENCE_MODE_SELECT = 2,
clang-format's avatar
clang-format committed
90
  REFERENCE_MODES = 3,
Jingning Han's avatar
Jingning Han committed
91
92
} REFERENCE_MODE;

93
#if !CONFIG_NO_FRAME_CONTEXT_SIGNALING
94
95
96
97
98
typedef enum {
  RESET_FRAME_CONTEXT_NONE = 0,
  RESET_FRAME_CONTEXT_CURRENT = 1,
  RESET_FRAME_CONTEXT_ALL = 2,
} RESET_FRAME_CONTEXT_MODE;
99
#endif
100

101
102
103
104
105
106
107
108
109
110
111
112
113
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;

Jingning Han's avatar
Jingning Han committed
114
115
typedef struct {
  int_mv mv[2];
Yaowu Xu's avatar
Yaowu Xu committed
116
  int_mv pred_mv[2];
Jingning Han's avatar
Jingning Han committed
117
118
119
120
121
122
123
124
  MV_REFERENCE_FRAME ref_frame[2];
} MV_REF;

typedef struct {
  int ref_count;
  MV_REF *mvs;
  int mi_rows;
  int mi_cols;
125
126
127
128
  // 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;
129
130
131
#if CONFIG_GLOBAL_MOTION
  WarpedMotionParams global_motion[TOTAL_REFS_PER_FRAME];
#endif  // CONFIG_GLOBAL_MOTION
Yaowu Xu's avatar
Yaowu Xu committed
132
  aom_codec_frame_buffer_t raw_frame_buffer;
Jingning Han's avatar
Jingning Han committed
133
  YV12_BUFFER_CONFIG buf;
134
135
136
#if CONFIG_HASH_ME
  hash_table hash_table;
#endif
137
138
139
#if CONFIG_TEMPMV_SIGNALING
  uint8_t intra_only;
#endif
Jingning Han's avatar
Jingning Han committed
140
141
142
143
  // 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
144
  AVxWorker *frame_worker_owner;
Jingning Han's avatar
Jingning Han committed
145
146
147
148
149
150
151
152
153

  // 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
154
155
156
// 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
157
158
159
160
161
162
163
#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
164
165
  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
166
167
168
169
170
171
172

  RefCntBuffer frame_bufs[FRAME_BUFFERS];

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

173
174
175
176
177
178
179
180
181
#if CONFIG_LV_MAP
typedef struct {
  int base_ctx_table[2 /*row*/][2 /*col*/][2 /*sig_map*/]
                    [BASE_CONTEXT_POSITION_NUM + 1];
} LV_MAP_CTX_TABLE;
typedef int BASE_CTX_TABLE[2 /*col*/][2 /*sig_map*/]
                          [BASE_CONTEXT_POSITION_NUM + 1];
#endif

Yaowu Xu's avatar
Yaowu Xu committed
182
183
184
typedef struct AV1Common {
  struct aom_internal_error_info error;
  aom_color_space_t color_space;
185
186
  aom_transfer_function_t transfer_function;
  aom_chroma_sample_position_t chroma_sample_position;
187
  int color_range;
Jingning Han's avatar
Jingning Han committed
188
189
  int width;
  int height;
190
191
  int render_width;
  int render_height;
Jingning Han's avatar
Jingning Han committed
192
193
194
195
196
197
198
199
200
  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;

201
#if CONFIG_HIGHBITDEPTH
202
203
  // Marks if we need to use 16bit frame buffers (1: yes, 0: no).
  int use_highbitdepth;
Jingning Han's avatar
Jingning Han committed
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
#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.

220
221
  // Each Inter frame can reference INTER_REFS_PER_FRAME buffers
  RefBuffer frame_refs[INTER_REFS_PER_FRAME];
Jingning Han's avatar
Jingning Han committed
222
223
224

  int new_fb_idx;

clang-format's avatar
clang-format committed
225
  FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
Jingning Han's avatar
Jingning Han committed
226
227
228
229
230
  FRAME_TYPE frame_type;

  int show_frame;
  int last_show_frame;
  int show_existing_frame;
231
#if CONFIG_EXT_REFS
232
233
  // Flag for a frame used as a reference - not written to the bitstream
  int is_reference_frame;
234
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
235
236
237
238
239
240
241

  // 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;

hui su's avatar
hui su committed
242
  int allow_screen_content_tools;
243
244
245
246
247
248
249
250
#if CONFIG_EXT_INTER
#if CONFIG_INTERINTRA
  int allow_interintra_compound;
#endif  // CONFIG_INTERINTRA
#if CONFIG_WEDGE || CONFIG_COMPOUND_SEGMENT
  int allow_masked_compound;
#endif  // CONFIG_WEDGE || CONFIG_COMPOUND_SEGMENT
#endif  // CONFIG_EXT_INTER
hui su's avatar
hui su committed
251

252
#if !CONFIG_NO_FRAME_CONTEXT_SIGNALING
253
254
  // Flag signaling which frame contexts should be reset to default values.
  RESET_FRAME_CONTEXT_MODE reset_frame_context;
255
#endif
Jingning Han's avatar
Jingning Han committed
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272

  // 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;
  int uv_dc_delta_q;
  int uv_ac_delta_q;
  int16_t y_dequant[MAX_SEGMENTS][2];
  int16_t uv_dequant[MAX_SEGMENTS][2];
273
274
275

#if CONFIG_AOM_QM
  // Global quant matrix tables
276
277
  qm_val_t *giqmatrix[NUM_QM_LEVELS][2][2][TX_SIZES_ALL];
  qm_val_t *gqmatrix[NUM_QM_LEVELS][2][2][TX_SIZES_ALL];
278
279

  // Local quant matrix tables for each frame
280
281
  qm_val_t *y_iqmatrix[MAX_SEGMENTS][2][TX_SIZES_ALL];
  qm_val_t *uv_iqmatrix[MAX_SEGMENTS][2][TX_SIZES_ALL];
282
  // Encoder
283
284
  qm_val_t *y_qmatrix[MAX_SEGMENTS][2][TX_SIZES_ALL];
  qm_val_t *uv_qmatrix[MAX_SEGMENTS][2][TX_SIZES_ALL];
285
286
287
288
289

  int using_qmatrix;
  int min_qmlevel;
  int max_qmlevel;
#endif
290
#if CONFIG_NEW_QUANT
291
292
  dequant_val_type_nuq y_dequant_nuq[MAX_SEGMENTS][QUANT_PROFILES][COEF_BANDS];
  dequant_val_type_nuq uv_dequant_nuq[MAX_SEGMENTS][QUANT_PROFILES][COEF_BANDS];
293
#endif
Jingning Han's avatar
Jingning Han committed
294
295
296
297
298
299
300
301

  /* 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
302
  // prev_mip and prev_mi will only be allocated in encoder.
Jingning Han's avatar
Jingning Han committed
303
304
305
306
  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
307
308
309
  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
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329

  // 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;

  // 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;
  int seg_map_alloc_size;

James Zern's avatar
James Zern committed
330
  InterpFilter interp_filter;
Jingning Han's avatar
Jingning Han committed
331
332

  loop_filter_info_n lf_info;
333
334
335
#if CONFIG_FRAME_SUPERRES
  // The numerator of the superres scale; the denominator is fixed.
  uint8_t superres_scale_numerator;
336
  uint8_t superres_kf_scale_numerator;
337
338
  int superres_upscaled_width;
  int superres_upscaled_height;
339
#endif  // CONFIG_FRAME_SUPERRES
340
#if CONFIG_LOOP_RESTORATION
341
  RestorationInfo rst_info[MAX_MB_PLANE];
342
  RestorationInternal rst_internal;
343
#endif  // CONFIG_LOOP_RESTORATION
Jingning Han's avatar
Jingning Han committed
344

345
346
347
  // 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
348

clang-format's avatar
clang-format committed
349
  int ref_frame_sign_bias[TOTAL_REFS_PER_FRAME]; /* Two state 0, 1 */
Jingning Han's avatar
Jingning Han committed
350
351
352

  struct loopfilter lf;
  struct segmentation seg;
353
  int all_lossless;
Jingning Han's avatar
Jingning Han committed
354
355
  int frame_parallel_decode;  // frame-based threading.

356
357
358
359
#if CONFIG_EXT_TX
  int reduced_tx_set_used;
#endif  // CONFIG_EXT_TX

clang-format's avatar
clang-format committed
360
// Context probabilities for reference frame prediction
361
#if CONFIG_EXT_REFS
362
363
364
  MV_REFERENCE_FRAME comp_fwd_ref[FWD_REFS];
  MV_REFERENCE_FRAME comp_bwd_ref[BWD_REFS];
#else
Jingning Han's avatar
Jingning Han committed
365
  MV_REFERENCE_FRAME comp_fixed_ref;
366
  MV_REFERENCE_FRAME comp_var_ref[COMP_REFS];
367
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
368
369
  REFERENCE_MODE reference_mode;

clang-format's avatar
clang-format committed
370
371
  FRAME_CONTEXT *fc;              /* this frame entropy */
  FRAME_CONTEXT *frame_contexts;  // FRAME_CONTEXTS
372
  FRAME_CONTEXT *pre_fc;          // Context referenced in this frame
373
#if !CONFIG_NO_FRAME_CONTEXT_SIGNALING
clang-format's avatar
clang-format committed
374
  unsigned int frame_context_idx; /* Context to use/update */
375
#endif
Jingning Han's avatar
Jingning Han committed
376
377
378
379
380
  FRAME_COUNTS counts;

  unsigned int current_video_frame;
  BITSTREAM_PROFILE profile;

Yaowu Xu's avatar
Yaowu Xu committed
381
382
383
  // 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
384
385
386

  int error_resilient_mode;

387
  int log2_tile_cols, log2_tile_rows;  // Used in non-large_scale_tile_coding.
388
  int tile_cols, tile_rows;
389
  int last_tile_cols, last_tile_rows;
390
  int tile_width, tile_height;  // In MI units
391
#if CONFIG_EXT_TILE
392
393
  unsigned int large_scale_tile;
  unsigned int single_tile_decoding;
394
#endif  // CONFIG_EXT_TILE
395

396
397
#if CONFIG_DEPENDENT_HORZTILES
  int dependent_horz_tiles;
398
399
400
  int tile_group_start_row[MAX_TILE_ROWS][MAX_TILE_COLS];
  int tile_group_start_col[MAX_TILE_ROWS][MAX_TILE_COLS];
#endif
401
#if CONFIG_LOOPFILTERING_ACROSS_TILES
402
  int loop_filter_across_tiles_enabled;
403
#endif  // CONFIG_LOOPFILTERING_ACROSS_TILES
404

Jingning Han's avatar
Jingning Han committed
405
406
407
408
409
  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
410
411
  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
412
413
414
415
416
417
418
419

  // Handles memory for the codec.
  InternalFrameBufferList int_frame_buffers;

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

  PARTITION_CONTEXT *above_seg_context;
420
  ENTROPY_CONTEXT *above_context[MAX_MB_PLANE];
421
422
#if CONFIG_VAR_TX
  TXFM_CONTEXT *above_txfm_context;
423
424
  TXFM_CONTEXT *top_txfm_context[MAX_MB_PLANE];
  TXFM_CONTEXT left_txfm_context[MAX_MB_PLANE][2 * MAX_MIB_SIZE];
425
#endif
Jingning Han's avatar
Jingning Han committed
426
  int above_context_alloc_cols;
427
428
429
430

  // 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
431
  aom_prob kf_y_prob[INTRA_MODES][INTRA_MODES][INTRA_MODES - 1];
432
#if CONFIG_GLOBAL_MOTION
433
  WarpedMotionParams global_motion[TOTAL_REFS_PER_FRAME];
434
#endif
435

clang-format's avatar
clang-format committed
436
437
438
  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.
439
#if CONFIG_CDEF
Steinar Midtskogen's avatar
Steinar Midtskogen committed
440
441
  int cdef_pri_damping;
  int cdef_sec_damping;
442
443
  int nb_cdef_strengths;
  int cdef_strengths[CDEF_MAX_STRENGTHS];
444
  int cdef_uv_strengths[CDEF_MAX_STRENGTHS];
445
  int cdef_bits;
Yaowu Xu's avatar
Yaowu Xu committed
446
#endif
447

448
449
#if CONFIG_DELTA_Q
  int delta_q_present_flag;
450
451
  // Resolution of delta quant
  int delta_q_res;
Fangwen Fu's avatar
Fangwen Fu committed
452
453
454
455
456
#if CONFIG_EXT_DELTA_Q
  int delta_lf_present_flag;
  // Resolution of delta lf level
  int delta_lf_res;
#endif
457
#endif
458
  int num_tg;
459
460
461
462
463
464
465
#if CONFIG_REFERENCE_BUFFER
  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;
#endif
466
467
468
#if CONFIG_ANS && ANS_MAX_SYMBOLS
  int ans_window_size_log2;
#endif
469
470
471
#if CONFIG_NCOBMC_ADAPT_WEIGHT
  NCOBMC_KERNELS ncobmc_kernels[ADAPT_OVERLAP_BLOCKS][ALL_NCOBMC_MODES];
#endif
472
473
474
#if CONFIG_LV_MAP
  LV_MAP_CTX_TABLE coeff_ctx_table;
#endif
Yaowu Xu's avatar
Yaowu Xu committed
475
} AV1_COMMON;
Jingning Han's avatar
Jingning Han committed
476

477
478
479
480
481
482
483
484
485
#if CONFIG_REFERENCE_BUFFER
/* Initial version of sequence header structure */
typedef struct SequenceHeader {
  int frame_id_numbers_present_flag;
  int frame_id_length_minus7;
  int delta_frame_id_length_minus2;
} SequenceHeader;
#endif

Jingning Han's avatar
Jingning Han committed
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
// 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
504
static INLINE YV12_BUFFER_CONFIG *get_ref_frame(AV1_COMMON *cm, int index) {
clang-format's avatar
clang-format committed
505
506
  if (index < 0 || index >= REF_FRAMES) return NULL;
  if (cm->ref_frame_map[index] < 0) return NULL;
Jingning Han's avatar
Jingning Han committed
507
508
509
510
  assert(cm->ref_frame_map[index] < FRAME_BUFFERS);
  return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf;
}

511
static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(
Yaowu Xu's avatar
Yaowu Xu committed
512
    const AV1_COMMON *const cm) {
Jingning Han's avatar
Jingning Han committed
513
514
515
  return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf;
}

Yaowu Xu's avatar
Yaowu Xu committed
516
static INLINE int get_free_fb(AV1_COMMON *cm) {
Jingning Han's avatar
Jingning Han committed
517
518
519
520
521
  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
522
    if (frame_bufs[i].ref_count == 0) break;
Jingning Han's avatar
Jingning Han committed
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545

  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++;
}

546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
#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) {
  return !cm->error_resilient_mode && !cm->intra_only;
}

// 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;
    CHECK_MEM_ERROR(
        cm, buf->mvs,
        (MV_REF *)aom_calloc(cm->mi_rows * cm->mi_cols, sizeof(*buf->mvs)));
  }
}

575
576
577
578
579
580
#if CONFIG_VAR_REFS
#define LAST_IS_VALID(cm) ((cm)->frame_refs[LAST_FRAME - 1].is_valid)
#define LAST2_IS_VALID(cm) ((cm)->frame_refs[LAST2_FRAME - 1].is_valid)
#define LAST3_IS_VALID(cm) ((cm)->frame_refs[LAST3_FRAME - 1].is_valid)
#define GOLDEN_IS_VALID(cm) ((cm)->frame_refs[GOLDEN_FRAME - 1].is_valid)
#define BWDREF_IS_VALID(cm) ((cm)->frame_refs[BWDREF_FRAME - 1].is_valid)
581
582
583
#if CONFIG_ALTREF2
#define ALTREF2_IS_VALID(cm) ((cm)->frame_refs[ALTREF2_FRAME - 1].is_valid)
#endif  // CONFIG_ALTREF2
584
585
586
587
#define ALTREF_IS_VALID(cm) ((cm)->frame_refs[ALTREF_FRAME - 1].is_valid)

#define L_OR_L2(cm) (LAST_IS_VALID(cm) || LAST2_IS_VALID(cm))
#define L_AND_L2(cm) (LAST_IS_VALID(cm) && LAST2_IS_VALID(cm))
588
589
#define L_AND_L3(cm) (LAST_IS_VALID(cm) && LAST3_IS_VALID(cm))
#define L_AND_G(cm) (LAST_IS_VALID(cm) && GOLDEN_IS_VALID(cm))
590
591
592
593

#define L3_OR_G(cm) (LAST3_IS_VALID(cm) || GOLDEN_IS_VALID(cm))
#define L3_AND_G(cm) (LAST3_IS_VALID(cm) && GOLDEN_IS_VALID(cm))

594
595
596
597
#if CONFIG_ALTREF2
#define BWD_OR_ALT2(cm) (BWDREF_IS_VALID(cm) || ALTREF2_IS_VALID(cm))
#define BWD_AND_ALT2(cm) (BWDREF_IS_VALID(cm) && ALTREF2_IS_VALID(cm))
#endif  // CONFIG_ALTREF2
598
599
600
601
#define BWD_OR_ALT(cm) (BWDREF_IS_VALID(cm) || ALTREF_IS_VALID(cm))
#define BWD_AND_ALT(cm) (BWDREF_IS_VALID(cm) && ALTREF_IS_VALID(cm))
#endif  // CONFIG_VAR_REFS

Yaowu Xu's avatar
Yaowu Xu committed
602
static INLINE int mi_cols_aligned_to_sb(const AV1_COMMON *cm) {
603
604
605
  return ALIGN_POWER_OF_TWO(cm->mi_cols, cm->mib_size_log2);
}

Yaowu Xu's avatar
Yaowu Xu committed
606
static INLINE int mi_rows_aligned_to_sb(const AV1_COMMON *cm) {
607
  return ALIGN_POWER_OF_TWO(cm->mi_rows, cm->mib_size_log2);
Jingning Han's avatar
Jingning Han committed
608
609
}

Yaowu Xu's avatar
Yaowu Xu committed
610
static INLINE int frame_is_intra_only(const AV1_COMMON *const cm) {
Jingning Han's avatar
Jingning Han committed
611
612
613
  return cm->frame_type == KEY_FRAME || cm->intra_only;
}

Yaowu Xu's avatar
Yaowu Xu committed
614
static INLINE void av1_init_macroblockd(AV1_COMMON *cm, MACROBLOCKD *xd,
615
616
#if CONFIG_PVQ
                                        tran_low_t *pvq_ref_coeff,
Luc Trudeau's avatar
Luc Trudeau committed
617
618
619
#endif
#if CONFIG_CFL
                                        CFL_CTX *cfl,
620
#endif
Yaowu Xu's avatar
Yaowu Xu committed
621
                                        tran_low_t *dqcoeff) {
622
  for (int i = 0; i < MAX_MB_PLANE; ++i) {
Jingning Han's avatar
Jingning Han committed
623
    xd->plane[i].dqcoeff = dqcoeff;
624
625
626
#if CONFIG_PVQ
    xd->plane[i].pvq_ref_coeff = pvq_ref_coeff;
#endif
627
    xd->above_context[i] = cm->above_context[i];
Jingning Han's avatar
Jingning Han committed
628
629
    if (xd->plane[i].plane_type == PLANE_TYPE_Y) {
      memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant));
630
631
632
633
#if CONFIG_AOM_QM
      memcpy(xd->plane[i].seg_iqmatrix, cm->y_iqmatrix, sizeof(cm->y_iqmatrix));
#endif

634
635
636
637
#if CONFIG_NEW_QUANT
      memcpy(xd->plane[i].seg_dequant_nuq, cm->y_dequant_nuq,
             sizeof(cm->y_dequant_nuq));
#endif
Jingning Han's avatar
Jingning Han committed
638
639
    } else {
      memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant));
640
641
642
643
#if CONFIG_AOM_QM
      memcpy(xd->plane[i].seg_iqmatrix, cm->uv_iqmatrix,
             sizeof(cm->uv_iqmatrix));
#endif
644
645
646
647
#if CONFIG_NEW_QUANT
      memcpy(xd->plane[i].seg_dequant_nuq, cm->uv_dequant_nuq,
             sizeof(cm->uv_dequant_nuq));
#endif
Jingning Han's avatar
Jingning Han committed
648
649
    }
  }
650
  xd->fc = cm->fc;
Jingning Han's avatar
Jingning Han committed
651
  xd->above_seg_context = cm->above_seg_context;
652
653
#if CONFIG_VAR_TX
  xd->above_txfm_context = cm->above_txfm_context;
654
655
656
657
#endif
#if CONFIG_CFL
  cfl_init(cfl, cm);
  xd->cfl = cfl;
658
#endif
Jingning Han's avatar
Jingning Han committed
659
660
661
662
663
664
  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
665
666
  int row_offset = mi_row;
  int col_offset = mi_col;
Jingning Han's avatar
Jingning Han committed
667
668
  for (i = 0; i < MAX_MB_PLANE; ++i) {
    struct macroblockd_plane *const pd = &xd->plane[i];
669
670
671
#if CONFIG_CHROMA_SUB8X8
    if (xd->mi[0]->mbmi.sb_type < BLOCK_8X8) {
      // Offset the buffer pointer
Jingning Han's avatar
Jingning Han committed
672
673
      if (pd->subsampling_y && (mi_row & 0x01)) row_offset = mi_row - 1;
      if (pd->subsampling_x && (mi_col & 0x01)) col_offset = mi_col - 1;
674
675
    }
#endif
Jingning Han's avatar
Jingning Han committed
676
677
    int above_idx = col_offset << (MI_SIZE_LOG2 - tx_size_wide_log2[0]);
    int left_idx = (row_offset & MAX_MIB_MASK)
678
                   << (MI_SIZE_LOG2 - tx_size_high_log2[0]);
Jingning Han's avatar
Jingning Han committed
679
680
681
682
683
684
685
    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.
686
  return len + MAX_MIB_SIZE;
Jingning Han's avatar
Jingning Han committed
687
688
}

Jingning Han's avatar
Jingning Han committed
689
static INLINE void set_plane_n4(MACROBLOCKD *const xd, int bw, int bh) {
690
691
692
693
  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
694
695
696

    xd->plane[i].width = (bw * MI_SIZE) >> xd->plane[i].subsampling_x;
    xd->plane[i].height = (bh * MI_SIZE) >> xd->plane[i].subsampling_y;
697

Jingning Han's avatar
Jingning Han committed
698
#if !CONFIG_CHROMA_2X2
699
700
    xd->plane[i].width = AOMMAX(xd->plane[i].width, 4);
    xd->plane[i].height = AOMMAX(xd->plane[i].height, 4);
Jingning Han's avatar
Jingning Han committed
701
#endif
702
703
704
  }
}

705
706
static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
                                  int mi_row, int bh, int mi_col, int bw,
707
708
709
710
#if CONFIG_DEPENDENT_HORZTILES
                                  int dependent_horz_tile_flag,
#endif  // CONFIG_DEPENDENT_HORZTILES
                                  int mi_rows, int mi_cols) {
711
712
713
714
715
  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;

716
#if CONFIG_DEPENDENT_HORZTILES
717
  if (dependent_horz_tile_flag) {
718
    xd->up_available = (mi_row > tile->mi_row_start) || !tile->tg_horz_boundary;
719
  } else {
720
#endif  // CONFIG_DEPENDENT_HORZTILES
721
722
    // Are edges available for intra prediction?
    xd->up_available = (mi_row > tile->mi_row_start);
723
#if CONFIG_DEPENDENT_HORZTILES
724
  }
725
#endif  // CONFIG_DEPENDENT_HORZTILES
726
727

  xd->left_available = (mi_col > tile->mi_col_start);
728
729
730
731
732
733
734
735
#if CONFIG_CHROMA_SUB8X8
  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;
#endif
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
  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
762
763
}

Yaowu Xu's avatar
Yaowu Xu committed
764
static INLINE const aom_prob *get_y_mode_probs(const AV1_COMMON *cm,
765
766
767
768
                                               const MODE_INFO *mi,
                                               const MODE_INFO *above_mi,
                                               const MODE_INFO *left_mi,
                                               int block) {
Yaowu Xu's avatar
Yaowu Xu committed
769
770
  const PREDICTION_MODE above = av1_above_block_mode(mi, above_mi, block);
  const PREDICTION_MODE left = av1_left_block_mode(mi, left_mi, block);
771
772
773
  return cm->kf_y_prob[above][left];
}

774
775
static INLINE aom_cdf_prob *get_y_mode_cdf(FRAME_CONTEXT *tile_ctx,
                                           const MODE_INFO *mi,
776
777
778
                                           const MODE_INFO *above_mi,
                                           const MODE_INFO *left_mi,
                                           int block) {
779
780
  const PREDICTION_MODE above = av1_above_block_mode(mi, above_mi, block);
  const PREDICTION_MODE left = av1_left_block_mode(mi, left_mi, block);
781
  return tile_ctx->kf_y_cdf[above][left];
782
783
}

clang-format's avatar
clang-format committed
784
785
static INLINE void update_partition_context(MACROBLOCKD *xd, int mi_row,
                                            int mi_col, BLOCK_SIZE subsize,
Jingning Han's avatar
Jingning Han committed
786
787
                                            BLOCK_SIZE bsize) {
  PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
788
  PARTITION_CONTEXT *const left_ctx =
clang-format's avatar
clang-format committed
789
      xd->left_seg_context + (mi_row & MAX_MIB_MASK);
Jingning Han's avatar
Jingning Han committed
790

791
#if CONFIG_EXT_PARTITION_TYPES
792
793
  const int bw = mi_size_wide[bsize];
  const int bh = mi_size_high[bsize];
794
795
796
  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
797
  // num_4x4_blocks_wide_lookup[bsize] / 2
798
  const int bs = mi_size_wide[bsize];
Jingning Han's avatar
Jingning Han committed
799
800
801
802
803
804

  // 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);
805
806
807
#endif  // CONFIG_EXT_PARTITION_TYPES
}

808
#if CONFIG_CB4X4
809
810
static INLINE int is_chroma_reference(int mi_row, int mi_col, BLOCK_SIZE bsize,
                                      int subsampling_x, int subsampling_y) {
Jingning Han's avatar
Jingning Han committed
811
812
813
#if CONFIG_CHROMA_2X2
  return 1;
#endif
814
815
816
817
818
819
820
821
822
823

#if CONFIG_CHROMA_SUB8X8
  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;
#else
824
825
826
827
828
829
  int ref_pos = !(((mi_row & 0x01) && subsampling_y) ||
                  ((mi_col & 0x01) && subsampling_x));

  if (bsize >= BLOCK_8X8) ref_pos = 1;

  return ref_pos;
830
#endif
831
}
832

833
834
835
836
837
838
839
840
841
842
843
844
845
846
#if CONFIG_SUPERTX
static INLINE int need_handle_chroma_sub8x8(BLOCK_SIZE bsize, int subsampling_x,
                                            int subsampling_y) {
  const int bw = mi_size_wide[bsize];
  const int bh = mi_size_high[bsize];

  if (bsize >= BLOCK_8X8 ||
      ((!(bh & 0x01) || !subsampling_y) && (!(bw & 0x01) || !subsampling_x)))
    return 0;
  else
    return 1;
}
#endif

847
848
static INLINE BLOCK_SIZE scale_chroma_bsize(BLOCK_SIZE bsize, int subsampling_x,
                                            int subsampling_y) {
849
850
851
852
853
854
855
856
857
858
859
860
861
  BLOCK_SIZE bs = bsize;

  if (bs < BLOCK_8X8) {
    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;
  }

  return bs;
}
862
863
#endif

864
#if CONFIG_EXT_PARTITION_TYPES
clang-format's avatar
clang-format committed
865
866
static INLINE void update_ext_partition_context(MACROBLOCKD *xd, int mi_row,
                                                int mi_col, BLOCK_SIZE subsize,
867
868
869
                                                BLOCK_SIZE bsize,
                                                PARTITION_TYPE partition) {
  if (bsize >= BLOCK_8X8) {
870
    const int hbs = mi_size_wide[bsize] / 2;
871
872
873
    BLOCK_SIZE bsize2 = get_subsize(bsize, PARTITION_SPLIT);
    switch (partition) {
      case PARTITION_SPLIT:
clang-format's avatar
clang-format committed
874
        if (bsize != BLOCK_8X8) break;
875
876
877
      case PARTITION_NONE:
      case PARTITION_HORZ:
      case PARTITION_VERT:
878
879
      case PARTITION_HORZ_4:
      case PARTITION_VERT_4:
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
        update_partition_context(xd, mi_row, mi_col, subsize, bsize);
        break;
      case PARTITION_HORZ_A:
        update_partition_context(xd, mi_row, mi_col, bsize2, subsize);
        update_partition_context(xd, mi_row + hbs, mi_col, subsize, subsize);
        break;
      case PARTITION_HORZ_B:
        update_partition_context(xd, mi_row, mi_col, subsize, subsize);
        update_partition_context(xd, mi_row + hbs, mi_col, bsize2, subsize);
        break;
      case PARTITION_VERT_A:
        update_partition_context(xd, mi_row, mi_col, bsize2, subsize);
        update_partition_context(xd, mi_row, mi_col + hbs, subsize, subsize);
        break;
      case PARTITION_VERT_B:
        update_partition_context(xd, mi_row, mi_col, subsize, subsize);
        update_partition_context(xd, mi_row, mi_col + hbs, bsize2, subsize);
        break;
clang-format's avatar
clang-format committed
898
      default: assert(0 && "Invalid partition type");
899
900
    }
  }
Jingning Han's avatar
Jingning Han committed
901
}
902
#endif  // CONFIG_EXT_PARTITION_TYPES
Jingning Han's avatar
Jingning Han committed
903

clang-format's avatar
clang-format committed
904
static INLINE int partition_plane_context(const MACROBLOCKD *xd, int mi_row,
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
                                          int mi_col,
#if CONFIG_UNPOISON_PARTITION_CTX
                                          int has_rows, int has_cols,
#endif
                                          BLOCK_SIZE bsize) {
#if CONFIG_UNPOISON_PARTITION_CTX
  const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
  const PARTITION_CONTEXT *left_ctx =
      xd->left_seg_context + (mi_row & MAX_MIB_MASK);
  // Minimum partition point is 8x8. Offset the bsl accordingly.
  const int bsl = mi_width_log2_lookup[bsize] - mi_width_log2_lookup[BLOCK_8X8];
  int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1;

  assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]);
  assert(bsl >= 0);

  if (has_rows && has_cols)
    return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
  else if (has_rows && !has_cols)
    return PARTITION_CONTEXTS_PRIMARY + bsl;
  else if (!has_rows && has_cols)
    return PARTITION_CONTEXTS_PRIMARY + PARTITION_BLOCK_SIZES + bsl;
  else
928
    return INVALID_PARTITION_CTX;  // Bogus context, forced SPLIT
929
#else
Jingning Han's avatar
Jingning Han committed
930
  const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
931
  const PARTITION_CONTEXT *left_ctx =
clang-format's avatar
clang-format committed
932
      xd->left_seg_context + (mi_row & MAX_MIB_MASK);
933
934
  // Minimum partition point is 8x8. Offset the bsl accordingly.
  const int bsl = mi_width_log2_lookup[bsize] - mi_width_log2_lookup[BLOCK_8X8];
clang-format's avatar
clang-format committed
935
  int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1;
Jingning Han's avatar
Jingning Han committed
936
937
938
939
940

  assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]);
  assert(bsl >= 0);

  return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
941
#endif
Jingning Han's avatar
Jingning Han committed
942
943
}

944
945
static INLINE int max_block_wide(const MACROBLOCKD *xd, BLOCK_SIZE bsize,
                                 int plane) {
946
947
948
949
950
951
952
953
954
955
  int max_blocks_wide = block_size_wide[bsize];
  const struct macroblockd_plane *const pd = &xd->plane[plane];

  if (xd->mb_to_right_edge < 0)
    max_blocks_wide += xd->mb_to_right_edge >> (3 + pd->subsampling_x);

  // Scale the width in the transform block unit.
  return max_blocks_wide >> tx_size_wide_log2[0];
}

956
957
static INLINE int max_block_high(const MACROBLOCKD *xd, BLOCK_SIZE bsize,
                                 int plane) {
958
959
960
961
962
963
964
965
966
967
  int max_blocks_high = block_size_high[bsize];
  const struct macroblockd_plane *const pd = &xd->plane[plane];

  if (xd->mb_to_bottom_edge < 0)
    max_blocks_high += xd->mb_to_bottom_edge >> (3 + pd->subsampling_y);

  // Scale the width in the transform block unit.
  return max_blocks_high >> tx_size_wide_log2[0];
}

968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
#if CONFIG_CFL
static INLINE int max_intra_block_width(const MACROBLOCKD *xd,
                                        BLOCK_SIZE plane_bsize, int plane,
                                        TX_SIZE tx_size) {
  const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane)
                              << tx_size_wide_log2[0];
  return ALIGN_POWER_OF_TWO(max_blocks_wide, tx_size_wide_log2[tx_size]);
}

static INLINE int max_intra_block_height(const MACROBLOCKD *xd,
                                         BLOCK_SIZE plane_bsize, int plane,
                                         TX_SIZE tx_size) {
  const int max_blocks_high = max_block_high(xd, plane_bsize, plane)
                              << tx_size_high_log2[0];
  return ALIGN_POWER_OF_TWO(max_blocks_high, tx_size_high_log2[tx_size]);
}
#endif  // CONFIG_CFL

Yaowu Xu's avatar
Yaowu Xu committed
986
987
static INLINE void av1_zero_above_context(AV1_COMMON *const cm,
                                          int mi_col_start, int mi_col_end) {
988
  const int width = mi_col_end - mi_col_start;
989
  const int aligned_width = ALIGN_POWER_OF_TWO(width, cm->mib_size_log2);
990

991
  const int offset_y = mi_col_start << (MI_SIZE_LOG2 - tx_size_wide_log2[0]);
992
  const int width_y = aligned_width << (MI_SIZE_LOG2 - tx_size_wide_log2[0]);
993
994
995
  const int offset_uv = offset_y >> cm->subsampling_x;
  const int width_uv = width_y >> cm->subsampling_x;

Yaowu Xu's avatar
Yaowu Xu committed
996
997
998
  av1_zero_array(cm->above_context[0] + offset_y, width_y);
  av1_zero_array(cm->above_context[1] + offset_uv, width_uv);
  av1_zero_array(cm->above_context[2] + offset_uv, width_uv);
999

1000
  av1_zero_array(cm->above_seg_context + mi_col_start, aligned_width);
For faster browsing, not all history is shown. View entire blame