blockd.h 10.5 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_BLOCKD_H_
#define AV1_COMMON_BLOCKD_H_
Jingning Han's avatar
Jingning Han committed
14

Adrian Grange's avatar
Adrian Grange committed
15
#include "./aom_config.h"
Jingning Han's avatar
Jingning Han committed
16

Adrian Grange's avatar
Adrian Grange committed
17
#include "aom_dsp/aom_dsp_common.h"
Yaowu Xu's avatar
Yaowu Xu committed
18
19
#include "aom_ports/mem.h"
#include "aom_scale/yv12config.h"
Jingning Han's avatar
Jingning Han committed
20

Yaowu Xu's avatar
Yaowu Xu committed
21
22
23
24
#include "av1/common/common_data.h"
#include "av1/common/entropy.h"
#include "av1/common/entropymode.h"
#include "av1/common/mv.h"
25
#if CONFIG_AOM_QM
Yaowu Xu's avatar
Yaowu Xu committed
26
#include "av1/common/quant_common.h"
27
#endif
Yaowu Xu's avatar
Yaowu Xu committed
28
29
30
#include "av1/common/scale.h"
#include "av1/common/seg_common.h"
#include "av1/common/tile_common.h"
Jingning Han's avatar
Jingning Han committed
31
32
33
34
35
36
37

#ifdef __cplusplus
extern "C" {
#endif

#define MAX_MB_PLANE 3

hui su's avatar
hui su committed
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
#if CONFIG_EXT_INTRA
#define MAX_ANGLE_DELTA 3
#define MAX_ANGLE_DELTA_UV 2
#define ANGLE_STEP_UV 4

static const uint8_t av1_angle_step_y[TX_SIZES][INTRA_MODES] = {
  {
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  },
  {
      0, 4, 4, 4, 4, 4, 4, 4, 4, 0,
  },
  {
      0, 3, 3, 3, 3, 3, 3, 3, 3, 0,
  },
  {
      0, 3, 3, 3, 3, 3, 3, 3, 3, 0,
  },
};
static const uint8_t av1_max_angle_delta_y[TX_SIZES][INTRA_MODES] = {
  {
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  },
  {
      0, 2, 2, 2, 2, 2, 2, 2, 2, 0,
  },
  {
      0, 3, 3, 3, 3, 3, 3, 3, 3, 0,
  },
  {
      0, 3, 3, 3, 3, 3, 3, 3, 3, 0,
  },
};
static const uint8_t mode_to_angle_map[INTRA_MODES] = {
  0, 90, 180, 45, 135, 111, 157, 203, 67, 0,
};

static INLINE int is_directional_mode(PREDICTION_MODE mode) {
  return (mode < TM_PRED && mode != DC_PRED);
}
#endif  // CONFIG_EXT_INTRA

Jingning Han's avatar
Jingning Han committed
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
typedef enum {
  KEY_FRAME = 0,
  INTER_FRAME = 1,
  FRAME_TYPES,
} FRAME_TYPE;

static INLINE int is_inter_mode(PREDICTION_MODE mode) {
  return mode >= NEARESTMV && mode <= NEWMV;
}

/* For keyframes, intra block modes are predicted by the (already decoded)
   modes for the Y blocks to the left and above us; for interframes, there
   is a single probability table. */

typedef struct {
  PREDICTION_MODE as_mode;
  int_mv as_mv[2];  // first, second inter predictor motion vectors
97
98
99
#if CONFIG_REF_MV
  int_mv pred_mv[2];
#endif
Jingning Han's avatar
Jingning Han committed
100
101
102
103
} b_mode_info;

typedef int8_t MV_REFERENCE_FRAME;

104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
#if CONFIG_PALETTE
typedef struct {
  // Number of base colors for Y (0) and UV (1)
  uint8_t palette_size[2];
// Value of base colors for Y, U, and V
#if CONFIG_AOM_HIGHBITDEPTH
  uint16_t palette_colors[3 * PALETTE_MAX_SIZE];
#else
  uint8_t palette_colors[3 * PALETTE_MAX_SIZE];
#endif  // CONFIG_AOM_HIGHBITDEPTH
  // Only used by encoder to store the color index of the top left pixel.
  // TODO(huisu): move this to encoder
  uint8_t palette_first_color_idx[2];
} PALETTE_MODE_INFO;
#endif  // CONFIG_PALETTE

120
#if CONFIG_REF_MV
121
#define MODE_CTX_REF_FRAMES (MAX_REF_FRAMES + COMP_REFS)
122
123
124
125
#else
#define MODE_CTX_REF_FRAMES MAX_REF_FRAMES
#endif

Jingning Han's avatar
Jingning Han committed
126
127
128
129
130
131
132
// This structure now relates to 8x8 block regions.
typedef struct {
  // Common for both INTER and INTRA blocks
  BLOCK_SIZE sb_type;
  PREDICTION_MODE mode;
  TX_SIZE tx_size;
  int8_t skip;
133
#if CONFIG_MISC_FIXES
134
  int8_t has_no_coeffs;
135
#endif
Jingning Han's avatar
Jingning Han committed
136
137
138
139
140
  int8_t segment_id;
  int8_t seg_id_predicted;  // valid only when temporal_update is enabled

  // Only for INTRA blocks
  PREDICTION_MODE uv_mode;
141
142
143
144
#if CONFIG_PALETTE
  PALETTE_MODE_INFO palette_mode_info;
#endif  // CONFIG_PALETTE

hui su's avatar
hui su committed
145
146
147
148
#if CONFIG_EXT_INTRA
  // The actual prediction angle is the base angle + (angle_delta * step).
  int8_t intra_angle_delta[2];
#endif  // CONFIG_EXT_INTRA
Jingning Han's avatar
Jingning Han committed
149
150

  // Only for INTER blocks
James Zern's avatar
James Zern committed
151
  InterpFilter interp_filter;
Jingning Han's avatar
Jingning Han committed
152
  MV_REFERENCE_FRAME ref_frame[2];
153
154
155
#if CONFIG_MOTION_VAR
  MOTION_MODE motion_mode;
#endif  // CONFIG_MOTION_VAR
156
  TX_TYPE tx_type;
Jingning Han's avatar
Jingning Han committed
157

158
#if CONFIG_REF_MV
159
  int_mv pred_mv[2];
160
161
  uint8_t ref_mv_idx;
#endif
Jingning Han's avatar
Jingning Han committed
162
163
  // TODO(slavarnway): Delete and use bmi[3].as_mv[] instead.
  int_mv mv[2];
164
165
  /* deringing gain *per-superblock* */
  int8_t dering_gain;
166
167
168
#if CONFIG_DELTA_Q
  int current_q_index;
#endif
Jingning Han's avatar
Jingning Han committed
169
170
171
172
173
174
175
176
} MB_MODE_INFO;

typedef struct MODE_INFO {
  MB_MODE_INFO mbmi;
  b_mode_info bmi[4];
} MODE_INFO;

static INLINE PREDICTION_MODE get_y_mode(const MODE_INFO *mi, int block) {
clang-format's avatar
clang-format committed
177
  return mi->mbmi.sb_type < BLOCK_8X8 ? mi->bmi[block].as_mode : mi->mbmi.mode;
Jingning Han's avatar
Jingning Han committed
178
179
180
181
182
183
184
185
186
187
}

static INLINE int is_inter_block(const MB_MODE_INFO *mbmi) {
  return mbmi->ref_frame[0] > INTRA_FRAME;
}

static INLINE int has_second_ref(const MB_MODE_INFO *mbmi) {
  return mbmi->ref_frame[1] > INTRA_FRAME;
}

188
PREDICTION_MODE av1_left_block_mode(const MODE_INFO *cur_mi,
clang-format's avatar
clang-format committed
189
                                    const MODE_INFO *left_mi, int b);
Jingning Han's avatar
Jingning Han committed
190

191
PREDICTION_MODE av1_above_block_mode(const MODE_INFO *cur_mi,
clang-format's avatar
clang-format committed
192
                                     const MODE_INFO *above_mi, int b);
Jingning Han's avatar
Jingning Han committed
193

clang-format's avatar
clang-format committed
194
enum mv_precision { MV_PRECISION_Q3, MV_PRECISION_Q4 };
Jingning Han's avatar
Jingning Han committed
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210

struct buf_2d {
  uint8_t *buf;
  int stride;
};

struct macroblockd_plane {
  tran_low_t *dqcoeff;
  PLANE_TYPE plane_type;
  int subsampling_x;
  int subsampling_y;
  struct buf_2d dst;
  struct buf_2d pre[2];
  ENTROPY_CONTEXT *above_context;
  ENTROPY_CONTEXT *left_context;
  int16_t seg_dequant[MAX_SEGMENTS][2];
211
212
213
#if CONFIG_PALETTE
  uint8_t *color_index_map;
#endif  // CONFIG_PALETTE
Jingning Han's avatar
Jingning Han committed
214
215
216
217
218
219

  // number of 4x4s in current block
  uint16_t n4_w, n4_h;
  // log2 of n4_w, n4_h
  uint8_t n4_wl, n4_hl;

220
221
222
#if CONFIG_AOM_QM
  const qm_val_t *seg_iqmatrix[MAX_SEGMENTS][2][TX_SIZES];
#endif
Jingning Han's avatar
Jingning Han committed
223
224
  // encoder
  const int16_t *dequant;
225
226
227
#if CONFIG_AOM_QM
  const qm_val_t *seg_qmatrix[MAX_SEGMENTS][2][TX_SIZES];
#endif
Jingning Han's avatar
Jingning Han committed
228
229
};

clang-format's avatar
clang-format committed
230
#define BLOCK_OFFSET(x, i) ((x) + (i)*16)
Jingning Han's avatar
Jingning Han committed
231
232
233

typedef struct RefBuffer {
  // TODO(dkovalev): idx is not really required and should be removed, now it
234
  // is used in av1_onyxd_if.c
Jingning Han's avatar
Jingning Han committed
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
  int idx;
  YV12_BUFFER_CONFIG *buf;
  struct scale_factors sf;
} RefBuffer;

typedef struct macroblockd {
  struct macroblockd_plane plane[MAX_MB_PLANE];
  uint8_t bmode_blocks_wl;
  uint8_t bmode_blocks_hl;

  FRAME_COUNTS *counts;
  TileInfo tile;

  int mi_stride;

  MODE_INFO **mi;
  MODE_INFO *left_mi;
  MODE_INFO *above_mi;
  MB_MODE_INFO *left_mbmi;
  MB_MODE_INFO *above_mbmi;

  int up_available;
  int left_available;

  /* Distance of MB away from frame edges */
  int mb_to_left_edge;
  int mb_to_right_edge;
  int mb_to_top_edge;
  int mb_to_bottom_edge;

Jingning Han's avatar
Jingning Han committed
265
266
  uint8_t n8_w, n8_h;

Jingning Han's avatar
Jingning Han committed
267
268
269
  FRAME_CONTEXT *fc;

  /* pointers to reference frames */
270
  const RefBuffer *block_refs[2];
Jingning Han's avatar
Jingning Han committed
271
272
273
274

  /* pointer to current frame */
  const YV12_BUFFER_CONFIG *cur_buf;

275
#if CONFIG_REF_MV
276
277
  uint8_t ref_mv_count[MODE_CTX_REF_FRAMES];
  CANDIDATE_MV ref_mv_stack[MODE_CTX_REF_FRAMES][MAX_REF_MV_STACK_SIZE];
278
  uint8_t is_sec_rect;
279
280
#endif

Jingning Han's avatar
Jingning Han committed
281
282
283
284
285
286
  ENTROPY_CONTEXT *above_context[MAX_MB_PLANE];
  ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16];

  PARTITION_CONTEXT *above_seg_context;
  PARTITION_CONTEXT left_seg_context[8];

287
#if CONFIG_AOM_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
288
289
290
291
  /* Bit depth: 8, 10, 12 */
  int bd;
#endif

292
  int lossless[MAX_SEGMENTS];
Jingning Han's avatar
Jingning Han committed
293
294
  int corrupted;

Adrian Grange's avatar
Adrian Grange committed
295
  struct aom_internal_error_info *error_info;
296
297
298
299
300
#if CONFIG_DELTA_Q
  int prev_qindex;
  int delta_qindex;
  int current_qindex;
#endif
Jingning Han's avatar
Jingning Han committed
301
302
303
304
305
306
307
} MACROBLOCKD;

static INLINE BLOCK_SIZE get_subsize(BLOCK_SIZE bsize,
                                     PARTITION_TYPE partition) {
  return subsize_lookup[partition][bsize];
}

308
static const TX_TYPE intra_mode_to_tx_type_context[INTRA_MODES] = {
Jingning Han's avatar
Jingning Han committed
309
310
311
312
313
314
315
316
317
318
319
320
  DCT_DCT,    // DC
  ADST_DCT,   // V
  DCT_ADST,   // H
  DCT_DCT,    // D45
  ADST_ADST,  // D135
  ADST_DCT,   // D117
  DCT_ADST,   // D153
  DCT_ADST,   // D207
  ADST_DCT,   // D63
  ADST_ADST,  // TM
};

hui su's avatar
hui su committed
321
322
static INLINE TX_TYPE get_tx_type(PLANE_TYPE plane_type, const MACROBLOCKD *xd,
                                  int block_idx) {
Jingning Han's avatar
Jingning Han committed
323
  const MODE_INFO *const mi = xd->mi[0];
hui su's avatar
hui su committed
324
  const MB_MODE_INFO *const mbmi = &mi->mbmi;
Jingning Han's avatar
Jingning Han committed
325

clang-format's avatar
clang-format committed
326
  (void)block_idx;
327
328
329
330
331
  if (plane_type != PLANE_TYPE_Y || xd->lossless[mbmi->segment_id] ||
      mbmi->tx_size >= TX_32X32)
    return DCT_DCT;

  return mbmi->tx_type;
Jingning Han's avatar
Jingning Han committed
332
333
}

334
void av1_setup_block_planes(MACROBLOCKD *xd, int ss_x, int ss_y);
Jingning Han's avatar
Jingning Han committed
335
336
337
338
339
340
341

static INLINE TX_SIZE get_uv_tx_size_impl(TX_SIZE y_tx_size, BLOCK_SIZE bsize,
                                          int xss, int yss) {
  if (bsize < BLOCK_8X8) {
    return TX_4X4;
  } else {
    const BLOCK_SIZE plane_bsize = ss_size_lookup[bsize][xss][yss];
Adrian Grange's avatar
Adrian Grange committed
342
    return AOMMIN(y_tx_size, max_txsize_lookup[plane_bsize]);
Jingning Han's avatar
Jingning Han committed
343
344
345
346
347
348
349
350
351
  }
}

static INLINE TX_SIZE get_uv_tx_size(const MB_MODE_INFO *mbmi,
                                     const struct macroblockd_plane *pd) {
  return get_uv_tx_size_impl(mbmi->tx_size, mbmi->sb_type, pd->subsampling_x,
                             pd->subsampling_y);
}

clang-format's avatar
clang-format committed
352
353
static INLINE BLOCK_SIZE
get_plane_block_size(BLOCK_SIZE bsize, const struct macroblockd_plane *pd) {
Jingning Han's avatar
Jingning Han committed
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
  return ss_size_lookup[bsize][pd->subsampling_x][pd->subsampling_y];
}

static INLINE void reset_skip_context(MACROBLOCKD *xd, BLOCK_SIZE bsize) {
  int i;
  for (i = 0; i < MAX_MB_PLANE; i++) {
    struct macroblockd_plane *const pd = &xd->plane[i];
    const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
    memset(pd->above_context, 0,
           sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_wide_lookup[plane_bsize]);
    memset(pd->left_context, 0,
           sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_high_lookup[plane_bsize]);
  }
}

369
370
371
372
373
374
375
376
377
378
379
380
381
382
#if CONFIG_MOTION_VAR
static INLINE int is_motion_variation_allowed_bsize(BLOCK_SIZE bsize) {
  return (bsize >= BLOCK_8X8);
}

static INLINE int is_motion_variation_allowed(const MB_MODE_INFO *mbmi) {
  return is_motion_variation_allowed_bsize(mbmi->sb_type);
}

static INLINE int is_neighbor_overlappable(const MB_MODE_INFO *mbmi) {
  return (is_inter_block(mbmi));
}
#endif  // CONFIG_MOTION_VAR

Jingning Han's avatar
Jingning Han committed
383
typedef void (*foreach_transformed_block_visitor)(int plane, int block,
384
                                                  int blk_row, int blk_col,
Jingning Han's avatar
Jingning Han committed
385
                                                  BLOCK_SIZE plane_bsize,
clang-format's avatar
clang-format committed
386
                                                  TX_SIZE tx_size, void *arg);
Jingning Han's avatar
Jingning Han committed
387

388
void av1_foreach_transformed_block_in_plane(
Jingning Han's avatar
Jingning Han committed
389
390
391
    const MACROBLOCKD *const xd, BLOCK_SIZE bsize, int plane,
    foreach_transformed_block_visitor visit, void *arg);

392
void av1_foreach_transformed_block(const MACROBLOCKD *const xd,
clang-format's avatar
clang-format committed
393
394
395
                                   BLOCK_SIZE bsize,
                                   foreach_transformed_block_visitor visit,
                                   void *arg);
Jingning Han's avatar
Jingning Han committed
396

397
void av1_set_contexts(const MACROBLOCKD *xd, struct macroblockd_plane *pd,
398
                      TX_SIZE tx_size, int has_eob, int aoff, int loff);
Jingning Han's avatar
Jingning Han committed
399
400
401
402
403

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

404
#endif  // AV1_COMMON_BLOCKD_H_