onyxc_int.h 16.5 KB
Newer Older
Jingning Han's avatar
Jingning Han committed
1
/*
2
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
Jingning Han's avatar
Jingning Han committed
3
 *
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
#ifndef AV1_COMMON_ONYXC_INT_H_
#define AV1_COMMON_ONYXC_INT_H_
Jingning Han's avatar
Jingning Han committed
14

Adrian Grange's avatar
Adrian Grange committed
15
#include "./aom_config.h"
16
#include "./av1_rtcd.h"
Adrian Grange's avatar
Adrian Grange committed
17 18
#include "aom/internal/aom_codec_internal.h"
#include "aom_util/aom_thread.h"
Yaowu Xu's avatar
Yaowu Xu committed
19 20 21
#include "av1/common/alloccommon.h"
#include "av1/common/entropy.h"
#include "av1/common/entropymode.h"
22
#include "av1/common/entropymv.h"
Yaowu Xu's avatar
Yaowu Xu committed
23
#include "av1/common/frame_buffers.h"
24
#include "av1/common/loopfilter.h"
Yaowu Xu's avatar
Yaowu Xu committed
25
#include "av1/common/tile_common.h"
Jingning Han's avatar
Jingning Han committed
26 27 28 29 30

#ifdef __cplusplus
extern "C" {
#endif

31
#define REFS_PER_FRAME (ALTREF_FRAME - LAST_FRAME + 1)
Jingning Han's avatar
Jingning Han committed
32 33 34 35 36 37 38 39 40 41 42 43

#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)

44 45 46
#if CONFIG_EXT_REFS
#define FRAME_CONTEXTS_LOG2 3
#else
Jingning Han's avatar
Jingning Han committed
47
#define FRAME_CONTEXTS_LOG2 2
48 49
#endif

Jingning Han's avatar
Jingning Han committed
50 51 52 53 54
#define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)

#define NUM_PING_PONG_BUFFERS 2

typedef enum {
clang-format's avatar
clang-format committed
55 56
  SINGLE_REFERENCE = 0,
  COMPOUND_REFERENCE = 1,
Jingning Han's avatar
Jingning Han committed
57
  REFERENCE_MODE_SELECT = 2,
clang-format's avatar
clang-format committed
58
  REFERENCE_MODES = 3,
Jingning Han's avatar
Jingning Han committed
59 60
} REFERENCE_MODE;

61 62 63 64 65 66
typedef enum {
  RESET_FRAME_CONTEXT_NONE = 0,
  RESET_FRAME_CONTEXT_CURRENT = 1,
  RESET_FRAME_CONTEXT_ALL = 2,
} RESET_FRAME_CONTEXT_MODE;

67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
typedef enum {
  /**
   * Don't update frame context
   */
  REFRESH_FRAME_CONTEXT_OFF,
  /**
   * 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
84 85
typedef struct {
  int_mv mv[2];
86 87 88
#if CONFIG_REF_MV
  int_mv pred_mv[2];
#endif
Jingning Han's avatar
Jingning Han committed
89 90 91 92 93 94 95 96
  MV_REFERENCE_FRAME ref_frame[2];
} MV_REF;

typedef struct {
  int ref_count;
  MV_REF *mvs;
  int mi_rows;
  int mi_cols;
Adrian Grange's avatar
Adrian Grange committed
97
  aom_codec_frame_buffer_t raw_frame_buffer;
Jingning Han's avatar
Jingning Han committed
98 99 100 101 102 103
  YV12_BUFFER_CONFIG buf;

  // 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.
Adrian Grange's avatar
Adrian Grange committed
104
  AVxWorker *frame_worker_owner;
Jingning Han's avatar
Jingning Han committed
105 106 107 108 109 110 111 112 113

  // 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
114 115 116
// 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
117 118 119 120 121 122 123
#if CONFIG_MULTITHREAD
  pthread_mutex_t pool_mutex;
#endif

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

Adrian Grange's avatar
Adrian Grange committed
124 125
  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
126 127 128 129 130 131 132

  RefCntBuffer frame_bufs[FRAME_BUFFERS];

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

133
typedef struct AV1Common {
Adrian Grange's avatar
Adrian Grange committed
134 135
  struct aom_internal_error_info error;
  aom_color_space_t color_space;
136
  int color_range;
Jingning Han's avatar
Jingning Han committed
137 138
  int width;
  int height;
139 140
  int render_width;
  int render_height;
Jingning Han's avatar
Jingning Han committed
141 142 143 144 145 146 147 148 149
  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;

150
#if CONFIG_AOM_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
151 152 153
  int use_highbitdepth;  // Marks if we need to use 16bit frame buffers.
#endif

Steinar Midtskogen's avatar
Steinar Midtskogen committed
154
#if CONFIG_CLPF
155 156 157 158
  int clpf_numblocks;
  int clpf_size;
  int clpf_strength;
  uint8_t *clpf_blocks;
Steinar Midtskogen's avatar
Steinar Midtskogen committed
159 160
#endif

Jingning Han's avatar
Jingning Han committed
161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180
  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.

  // Each frame can reference REFS_PER_FRAME buffers
  RefBuffer frame_refs[REFS_PER_FRAME];

  int new_fb_idx;

clang-format's avatar
clang-format committed
181
  FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
Jingning Han's avatar
Jingning Han committed
182 183 184 185 186
  FRAME_TYPE frame_type;

  int show_frame;
  int last_show_frame;
  int show_existing_frame;
187 188 189 190
#if CONFIG_EXT_REFS
  // Flag for a frame used as a reference - not written to the bitstream
  int is_reference_frame;
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
191 192 193 194 195 196 197

  // 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;

198 199
  // Flag signaling which frame contexts should be reset to default values.
  RESET_FRAME_CONTEXT_MODE reset_frame_context;
Jingning Han's avatar
Jingning Han committed
200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217

  // 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];

218 219 220 221 222 223 224 225 226 227 228 229
#if CONFIG_AOM_QM
  // Global quant matrix tables
  qm_val_t *giqmatrix[NUM_QM_LEVELS][2][2][TX_SIZES];
  qm_val_t *gqmatrix[NUM_QM_LEVELS][2][2][TX_SIZES];

  // Local quant matrix tables for each frame
  qm_val_t *y_iqmatrix[MAX_SEGMENTS][2][TX_SIZES];
  qm_val_t *uv_iqmatrix[MAX_SEGMENTS][2][TX_SIZES];
  // Encoder
  qm_val_t *y_qmatrix[MAX_SEGMENTS][2][TX_SIZES];
  qm_val_t *uv_qmatrix[MAX_SEGMENTS][2][TX_SIZES];

230
  int using_qmatrix;
231 232
  int min_qmlevel;
  int max_qmlevel;
233 234
#endif

Jingning Han's avatar
Jingning Han committed
235 236 237 238 239 240 241
  /* 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.
242
  // prev_mip and prev_mi will only be allocated in encoder.
Jingning Han's avatar
Jingning Han committed
243 244 245 246
  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.
247 248 249
  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
250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269

  // 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
270
  InterpFilter interp_filter;
Jingning Han's avatar
Jingning Han committed
271 272 273

  loop_filter_info_n lf_info;

274 275 276
  // 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
277

clang-format's avatar
clang-format committed
278
  int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
Jingning Han's avatar
Jingning Han committed
279 280 281

  struct loopfilter lf;
  struct segmentation seg;
282 283 284
#if !CONFIG_MISC_FIXES
  struct segmentation_probs segp;
#endif
Jingning Han's avatar
Jingning Han committed
285 286 287

  int frame_parallel_decode;  // frame-based threading.

288 289 290 291 292
// Context probabilities for reference frame prediction
#if CONFIG_EXT_REFS
  MV_REFERENCE_FRAME comp_fwd_ref[FWD_REFS];
  MV_REFERENCE_FRAME comp_bwd_ref[BWD_REFS];
#else
Jingning Han's avatar
Jingning Han committed
293 294
  MV_REFERENCE_FRAME comp_fixed_ref;
  MV_REFERENCE_FRAME comp_var_ref[2];
295
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
296 297
  REFERENCE_MODE reference_mode;

clang-format's avatar
clang-format committed
298 299 300
  FRAME_CONTEXT *fc;              /* this frame entropy */
  FRAME_CONTEXT *frame_contexts;  // FRAME_CONTEXTS
  unsigned int frame_context_idx; /* Context to use/update */
Jingning Han's avatar
Jingning Han committed
301 302 303 304 305
  FRAME_COUNTS counts;

  unsigned int current_video_frame;
  BITSTREAM_PROFILE profile;

Adrian Grange's avatar
Adrian Grange committed
306
  // AOM_BITS_8 in profile 0 or 1, AOM_BITS_10 or AOM_BITS_12 in profile 2 or 3.
Adrian Grange's avatar
Adrian Grange committed
307 308
  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
309 310 311 312

  int error_resilient_mode;

  int log2_tile_cols, log2_tile_rows;
313
  int tile_sz_mag;
Jingning Han's avatar
Jingning Han committed
314 315 316 317 318
  int byte_alignment;
  int skip_loop_filter;

  // Private data associated with the frame buffer callbacks.
  void *cb_priv;
Adrian Grange's avatar
Adrian Grange committed
319 320
  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
321 322 323 324 325 326 327 328 329 330

  // Handles memory for the codec.
  InternalFrameBufferList int_frame_buffers;

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

  PARTITION_CONTEXT *above_seg_context;
  ENTROPY_CONTEXT *above_context;
  int above_context_alloc_cols;
331 332 333 334

  // 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
Adrian Grange's avatar
Adrian Grange committed
335
  aom_prob kf_y_prob[INTRA_MODES][INTRA_MODES][INTRA_MODES - 1];
336 337 338
#if CONFIG_DERING
  int dering_level;
#endif
339
} AV1_COMMON;
Jingning Han's avatar
Jingning Han committed
340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358

// 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
}

359
static INLINE YV12_BUFFER_CONFIG *get_ref_frame(AV1_COMMON *cm, int index) {
clang-format's avatar
clang-format committed
360 361
  if (index < 0 || index >= REF_FRAMES) return NULL;
  if (cm->ref_frame_map[index] < 0) return NULL;
Jingning Han's avatar
Jingning Han committed
362 363 364 365
  assert(cm->ref_frame_map[index] < FRAME_BUFFERS);
  return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf;
}

366 367
static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(
    const AV1_COMMON *const cm) {
Jingning Han's avatar
Jingning Han committed
368 369 370
  return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf;
}

371
static INLINE int get_free_fb(AV1_COMMON *cm) {
Jingning Han's avatar
Jingning Han committed
372 373 374 375 376
  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
377
    if (frame_bufs[i].ref_count == 0) break;
Jingning Han's avatar
Jingning Han committed
378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401

  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++;
}

static INLINE int mi_cols_aligned_to_sb(int n_mis) {
402
  return ALIGN_POWER_OF_TWO(n_mis, MAX_MIB_SIZE_LOG2);
Jingning Han's avatar
Jingning Han committed
403 404
}

405
static INLINE int frame_is_intra_only(const AV1_COMMON *const cm) {
Jingning Han's avatar
Jingning Han committed
406 407 408
  return cm->frame_type == KEY_FRAME || cm->intra_only;
}

409
static INLINE void av1_init_macroblockd(AV1_COMMON *cm, MACROBLOCKD *xd,
clang-format's avatar
clang-format committed
410
                                        tran_low_t *dqcoeff) {
Jingning Han's avatar
Jingning Han committed
411 412 413 414
  int i;

  for (i = 0; i < MAX_MB_PLANE; ++i) {
    xd->plane[i].dqcoeff = dqcoeff;
clang-format's avatar
clang-format committed
415 416
    xd->above_context[i] =
        cm->above_context +
Jingning Han's avatar
Jingning Han committed
417 418 419 420
        i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols);

    if (xd->plane[i].plane_type == PLANE_TYPE_Y) {
      memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant));
421 422 423
#if CONFIG_AOM_QM
      memcpy(xd->plane[i].seg_iqmatrix, cm->y_iqmatrix, sizeof(cm->y_iqmatrix));
#endif
Jingning Han's avatar
Jingning Han committed
424 425
    } else {
      memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant));
426 427 428 429
#if CONFIG_AOM_QM
      memcpy(xd->plane[i].seg_iqmatrix, cm->uv_iqmatrix,
             sizeof(cm->uv_iqmatrix));
#endif
Jingning Han's avatar
Jingning Han committed
430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451
    }
    xd->fc = cm->fc;
  }

  xd->above_seg_context = cm->above_seg_context;
  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) {
  const int above_idx = mi_col * 2;
  const int left_idx = (mi_row * 2) & 15;
  int i;
  for (i = 0; i < MAX_MB_PLANE; ++i) {
    struct macroblockd_plane *const pd = &xd->plane[i];
    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.
452
  return len + MAX_MIB_SIZE;
Jingning Han's avatar
Jingning Han committed
453 454
}

455 456 457 458 459 460 461 462 463 464 465
static void set_plane_n4(MACROBLOCKD *const xd, int bw, int bh, int bwl,
                         int bhl) {
  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;
    xd->plane[i].n4_wl = bwl - xd->plane[i].subsampling_x;
    xd->plane[i].n4_hl = bhl - xd->plane[i].subsampling_y;
  }
}

Jingning Han's avatar
Jingning Han committed
466
static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
clang-format's avatar
clang-format committed
467
                                  int mi_row, int bh, int mi_col, int bw,
Jingning Han's avatar
Jingning Han committed
468
                                  int mi_rows, int mi_cols) {
clang-format's avatar
clang-format committed
469
  xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
Jingning Han's avatar
Jingning Han committed
470
  xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
clang-format's avatar
clang-format committed
471 472
  xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
  xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
Jingning Han's avatar
Jingning Han committed
473 474

  // Are edges available for intra prediction?
clang-format's avatar
clang-format committed
475 476
  xd->up_available = (mi_row != 0);
  xd->left_available = (mi_col > tile->mi_col_start);
Jingning Han's avatar
Jingning Han committed
477 478
  if (xd->up_available) {
    xd->above_mi = xd->mi[-xd->mi_stride];
479
    // above_mi may be NULL in encoder's first pass.
Jingning Han's avatar
Jingning Han committed
480 481 482 483 484 485 486 487
    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];
488
    // left_mi may be NULL in encoder's first pass.
Jingning Han's avatar
Jingning Han committed
489 490 491 492 493
    xd->left_mbmi = xd->left_mi ? &xd->left_mi->mbmi : NULL;
  } else {
    xd->left_mi = NULL;
    xd->left_mbmi = NULL;
  }
Jingning Han's avatar
Jingning Han committed
494 495 496

  xd->n8_h = bh;
  xd->n8_w = bw;
497 498 499 500

#if CONFIG_REF_MV
  xd->is_sec_rect = 0;
  if (xd->n8_w < xd->n8_h)
clang-format's avatar
clang-format committed
501
    if (mi_col & (xd->n8_h - 1)) xd->is_sec_rect = 1;
502 503

  if (xd->n8_w > xd->n8_h)
clang-format's avatar
clang-format committed
504
    if (mi_row & (xd->n8_w - 1)) xd->is_sec_rect = 1;
505
#endif
Jingning Han's avatar
Jingning Han committed
506 507
}

508
static INLINE const aom_prob *get_y_mode_probs(const AV1_COMMON *cm,
509 510 511 512
                                               const MODE_INFO *mi,
                                               const MODE_INFO *above_mi,
                                               const MODE_INFO *left_mi,
                                               int block) {
513 514
  const PREDICTION_MODE above = av1_above_block_mode(mi, above_mi, block);
  const PREDICTION_MODE left = av1_left_block_mode(mi, left_mi, block);
515 516 517
  return cm->kf_y_prob[above][left];
}

clang-format's avatar
clang-format committed
518 519
static INLINE void update_partition_context(MACROBLOCKD *xd, int mi_row,
                                            int mi_col, BLOCK_SIZE subsize,
Jingning Han's avatar
Jingning Han committed
520 521
                                            BLOCK_SIZE bsize) {
  PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
522 523
  PARTITION_CONTEXT *const left_ctx =
      xd->left_seg_context + (mi_row & MAX_MIB_MASK);
Jingning Han's avatar
Jingning Han committed
524 525 526 527 528 529 530 531 532 533 534

  // num_4x4_blocks_wide_lookup[bsize] / 2
  const int bs = num_8x8_blocks_wide_lookup[bsize];

  // 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);
}

clang-format's avatar
clang-format committed
535 536
static INLINE int partition_plane_context(const MACROBLOCKD *xd, int mi_row,
                                          int mi_col, BLOCK_SIZE bsize) {
Jingning Han's avatar
Jingning Han committed
537
  const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
538 539
  const PARTITION_CONTEXT *left_ctx =
      xd->left_seg_context + (mi_row & MAX_MIB_MASK);
Jingning Han's avatar
Jingning Han committed
540
  const int bsl = mi_width_log2_lookup[bsize];
clang-format's avatar
clang-format committed
541
  int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1;
Jingning Han's avatar
Jingning Han committed
542 543 544 545 546 547 548 549 550 551 552

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

  return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
}

#ifdef __cplusplus
}  // extern "C"
#endif

553
#endif  // AV1_COMMON_ONYXC_INT_H_