vp9_blockd.h 25.5 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
John Koleszar's avatar
John Koleszar committed
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5 6
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
7
 *  in the file PATENTS.  All contributing project authors may
8
 *  be found in the AUTHORS file in the root of the source tree.
John Koleszar's avatar
John Koleszar committed
9 10 11
 */


12 13
#ifndef VP9_COMMON_VP9_BLOCKD_H_
#define VP9_COMMON_VP9_BLOCKD_H_
John Koleszar's avatar
John Koleszar committed
14

15
#include "./vpx_config.h"
John Koleszar's avatar
John Koleszar committed
16
#include "vpx_scale/yv12config.h"
17
#include "vp9/common/vp9_convolve.h"
18 19
#include "vp9/common/vp9_mv.h"
#include "vp9/common/vp9_treecoder.h"
John Koleszar's avatar
John Koleszar committed
20
#include "vpx_ports/mem.h"
21
#include "vp9/common/vp9_common.h"
22
#include "vp9/common/vp9_enums.h"
John Koleszar's avatar
John Koleszar committed
23 24 25 26

#define TRUE    1
#define FALSE   0

John Koleszar's avatar
John Koleszar committed
27
// #define MODE_STATS
28

John Koleszar's avatar
John Koleszar committed
29
#define MB_FEATURE_TREE_PROBS   3
30
#define PREDICTION_PROBS 3
31

32 33
#define MBSKIP_CONTEXTS 3

John Koleszar's avatar
John Koleszar committed
34 35 36 37 38
#define MAX_MB_SEGMENTS         4

#define MAX_REF_LF_DELTAS       4
#define MAX_MODE_LF_DELTAS      4

39
/* Segment Feature Masks */
John Koleszar's avatar
John Koleszar committed
40 41
#define SEGMENT_DELTADATA   0
#define SEGMENT_ABSDATA     1
Paul Wilkins's avatar
Paul Wilkins committed
42
#define MAX_MV_REFS 9
Paul Wilkins's avatar
Paul Wilkins committed
43
#define MAX_MV_REF_CANDIDATES 4
John Koleszar's avatar
John Koleszar committed
44

Dmitry Kovalev's avatar
Dmitry Kovalev committed
45
typedef enum {
46
  PLANE_TYPE_Y_WITH_DC,
47
  PLANE_TYPE_UV,
48
} PLANE_TYPE;
Scott LaVarnway's avatar
Scott LaVarnway committed
49

50
typedef char ENTROPY_CONTEXT;
John Koleszar's avatar
John Koleszar committed
51 52 53 54
typedef struct {
  ENTROPY_CONTEXT y1[4];
  ENTROPY_CONTEXT u[2];
  ENTROPY_CONTEXT v[2];
55
} ENTROPY_CONTEXT_PLANES;
John Koleszar's avatar
John Koleszar committed
56

Dmitry Kovalev's avatar
Dmitry Kovalev committed
57
#define VP9_COMBINEENTROPYCONTEXTS(Dest, A, B) \
John Koleszar's avatar
John Koleszar committed
58
  Dest = ((A)!=0) + ((B)!=0);
John Koleszar's avatar
John Koleszar committed
59

John Koleszar's avatar
John Koleszar committed
60 61 62
typedef enum {
  KEY_FRAME = 0,
  INTER_FRAME = 1
John Koleszar's avatar
John Koleszar committed
63 64
} FRAME_TYPE;

Dmitry Kovalev's avatar
Dmitry Kovalev committed
65
typedef enum {
Adrian Grange's avatar
Adrian Grange committed
66 67 68 69 70 71 72
#if CONFIG_ENABLE_6TAP
  SIXTAP,
#endif
  EIGHTTAP_SMOOTH,
  EIGHTTAP,
  EIGHTTAP_SHARP,
  BILINEAR,
73 74 75
  SWITCHABLE  /* should be the last one */
} INTERPOLATIONFILTERTYPE;

Dmitry Kovalev's avatar
Dmitry Kovalev committed
76
typedef enum {
John Koleszar's avatar
John Koleszar committed
77 78 79 80 81 82 83 84 85 86
  DC_PRED,            /* average of above and left pixels */
  V_PRED,             /* vertical prediction */
  H_PRED,             /* horizontal prediction */
  D45_PRED,           /* Directional 45 deg prediction  [anti-clockwise from 0 deg hor] */
  D135_PRED,          /* Directional 135 deg prediction [anti-clockwise from 0 deg hor] */
  D117_PRED,          /* Directional 112 deg prediction [anti-clockwise from 0 deg hor] */
  D153_PRED,          /* Directional 157 deg prediction [anti-clockwise from 0 deg hor] */
  D27_PRED,           /* Directional 22 deg prediction  [anti-clockwise from 0 deg hor] */
  D63_PRED,           /* Directional 67 deg prediction  [anti-clockwise from 0 deg hor] */
  TM_PRED,            /* Truemotion prediction */
Yaowu Xu's avatar
Yaowu Xu committed
87 88
  I8X8_PRED,          /* 8x8 based prediction, each 8x8 has its own mode */
  I4X4_PRED,          /* 4x4 based prediction, each 4x4 has its own mode */
John Koleszar's avatar
John Koleszar committed
89 90 91 92 93 94
  NEARESTMV,
  NEARMV,
  ZEROMV,
  NEWMV,
  SPLITMV,
  MB_MODE_COUNT
John Koleszar's avatar
John Koleszar committed
95 96
} MB_PREDICTION_MODE;

Paul Wilkins's avatar
Paul Wilkins committed
97
// Segment level features.
John Koleszar's avatar
John Koleszar committed
98 99 100 101
typedef enum {
  SEG_LVL_ALT_Q = 0,               // Use alternate Quantizer ....
  SEG_LVL_ALT_LF = 1,              // Use alternate loop filter value...
  SEG_LVL_REF_FRAME = 2,           // Optional Segment reference frame
Paul Wilkins's avatar
Paul Wilkins committed
102
  SEG_LVL_SKIP = 3,                // Optional Segment (0,0) + skip mode
Paul Wilkins's avatar
Paul Wilkins committed
103
  SEG_LVL_MAX = 4                  // Number of MB level features supported
Paul Wilkins's avatar
Paul Wilkins committed
104
} SEG_LVL_FEATURES;
John Koleszar's avatar
John Koleszar committed
105

Paul Wilkins's avatar
Paul Wilkins committed
106
// Segment level features.
John Koleszar's avatar
John Koleszar committed
107
typedef enum {
Yaowu Xu's avatar
Yaowu Xu committed
108 109 110 111 112 113
  TX_4X4 = 0,                      // 4x4 dct transform
  TX_8X8 = 1,                      // 8x8 dct transform
  TX_16X16 = 2,                    // 16x16 dct transform
  TX_SIZE_MAX_MB = 3,              // Number of different transforms available
  TX_32X32 = TX_SIZE_MAX_MB,       // 32x32 dct transform
  TX_SIZE_MAX_SB,                  // Number of transforms available to SBs
Paul Wilkins's avatar
Paul Wilkins committed
114 115
} TX_SIZE;

Jingning Han's avatar
Jingning Han committed
116 117
typedef enum {
  DCT_DCT   = 0,                      // DCT  in both horizontal and vertical
118 119
  ADST_DCT  = 1,                      // ADST in vertical, DCT in horizontal
  DCT_ADST  = 2,                      // DCT  in vertical, ADST in horizontal
Jingning Han's avatar
Jingning Han committed
120 121 122
  ADST_ADST = 3                       // ADST in both directions
} TX_TYPE;

Yaowu Xu's avatar
Yaowu Xu committed
123
#define VP9_YMODES  (I4X4_PRED + 1)
124 125 126
#define VP9_UV_MODES (TM_PRED + 1)
#define VP9_I8X8_MODES (TM_PRED + 1)
#define VP9_I32X32_MODES (TM_PRED + 1)
John Koleszar's avatar
John Koleszar committed
127

128
#define VP9_MVREFS (1 + SPLITMV - NEARESTMV)
John Koleszar's avatar
John Koleszar committed
129

Yaowu Xu's avatar
Yaowu Xu committed
130
#define WHT_UPSCALE_FACTOR 2
131

John Koleszar's avatar
John Koleszar committed
132 133
typedef enum {
  B_DC_PRED,          /* average of above and left pixels */
Yaowu Xu's avatar
Yaowu Xu committed
134 135 136 137 138 139 140 141
  B_V_PRED,          /* vertical prediction */
  B_H_PRED,          /* horizontal prediction */
  B_D45_PRED,
  B_D135_PRED,
  B_D117_PRED,
  B_D153_PRED,
  B_D27_PRED,
  B_D63_PRED,
John Koleszar's avatar
John Koleszar committed
142
  B_TM_PRED,
143 144 145
#if CONFIG_NEWBINTRAMODES
  B_CONTEXT_PRED,
#endif
John Koleszar's avatar
John Koleszar committed
146

John Koleszar's avatar
John Koleszar committed
147 148 149 150
  LEFT4X4,
  ABOVE4X4,
  ZERO4X4,
  NEW4X4,
John Koleszar's avatar
John Koleszar committed
151

John Koleszar's avatar
John Koleszar committed
152
  B_MODE_COUNT
John Koleszar's avatar
John Koleszar committed
153 154
} B_PREDICTION_MODE;

155
#define VP9_BINTRAMODES (LEFT4X4)
156
#define VP9_SUBMVREFS (1 + NEW4X4 - LEFT4X4)
John Koleszar's avatar
John Koleszar committed
157

158
#if CONFIG_NEWBINTRAMODES
Yaowu Xu's avatar
Yaowu Xu committed
159
/* The number of I4X4_PRED intra modes that are replaced by B_CONTEXT_PRED */
160 161 162 163 164 165 166 167
#define CONTEXT_PRED_REPLACEMENTS  0
#define VP9_KF_BINTRAMODES (VP9_BINTRAMODES - 1)
#define VP9_NKF_BINTRAMODES  (VP9_BINTRAMODES - CONTEXT_PRED_REPLACEMENTS)
#else
#define VP9_KF_BINTRAMODES (VP9_BINTRAMODES)   /* 10 */
#define VP9_NKF_BINTRAMODES (VP9_BINTRAMODES)  /* 10 */
#endif

168 169 170 171 172 173 174 175
typedef enum {
  PARTITIONING_16X8 = 0,
  PARTITIONING_8X16,
  PARTITIONING_8X8,
  PARTITIONING_4X4,
  NB_PARTITIONINGS,
} SPLITMV_PARTITIONING_TYPE;

John Koleszar's avatar
John Koleszar committed
176 177 178 179
/* 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. */

John Koleszar's avatar
John Koleszar committed
180 181 182
union b_mode_info {
  struct {
    B_PREDICTION_MODE first;
183 184
#if CONFIG_NEWBINTRAMODES
    B_PREDICTION_MODE context;
185
#endif
John Koleszar's avatar
John Koleszar committed
186
  } as_mode;
187
  int_mv as_mv[2];  // first, second inter predictor motion vectors
188
};
John Koleszar's avatar
John Koleszar committed
189

John Koleszar's avatar
John Koleszar committed
190
typedef enum {
191
  NONE = -1,
John Koleszar's avatar
John Koleszar committed
192 193 194 195 196
  INTRA_FRAME = 0,
  LAST_FRAME = 1,
  GOLDEN_FRAME = 2,
  ALTREF_FRAME = 3,
  MAX_REF_FRAMES = 4
John Koleszar's avatar
John Koleszar committed
197 198
} MV_REFERENCE_FRAME;

199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235
static INLINE int mb_width_log2(BLOCK_SIZE_TYPE sb_type) {
  switch (sb_type) {
#if CONFIG_SBSEGMENT
    case BLOCK_SIZE_SB16X32:
#endif
    case BLOCK_SIZE_MB16X16: return 0;
#if CONFIG_SBSEGMENT
    case BLOCK_SIZE_SB32X16:
    case BLOCK_SIZE_SB32X64:
#endif
    case BLOCK_SIZE_SB32X32: return 1;
#if CONFIG_SBSEGMENT
    case BLOCK_SIZE_SB64X32:
#endif
    case BLOCK_SIZE_SB64X64: return 2;
    default: assert(0);
  }
}

static INLINE int mb_height_log2(BLOCK_SIZE_TYPE sb_type) {
  switch (sb_type) {
#if CONFIG_SBSEGMENT
    case BLOCK_SIZE_SB32X16:
#endif
    case BLOCK_SIZE_MB16X16: return 0;
#if CONFIG_SBSEGMENT
    case BLOCK_SIZE_SB16X32:
    case BLOCK_SIZE_SB64X32:
#endif
    case BLOCK_SIZE_SB32X32: return 1;
#if CONFIG_SBSEGMENT
    case BLOCK_SIZE_SB32X64:
#endif
    case BLOCK_SIZE_SB64X64: return 2;
    default: assert(0);
  }
}
Ronald S. Bultje's avatar
Ronald S. Bultje committed
236

237 238 239 240 241 242 243 244 245
// parse block dimension in the unit of 4x4 blocks
static INLINE int b_width_log2(BLOCK_SIZE_TYPE sb_type) {
  return mb_width_log2(sb_type) + 2;
}

static INLINE int b_height_log2(BLOCK_SIZE_TYPE sb_type) {
  return mb_height_log2(sb_type) + 2;
}

246 247 248 249 250 251 252 253
typedef enum {
  BLOCK_4X4_LG2 = 0,
  BLOCK_8X8_LG2 = 2,
  BLOCK_16X16_LG2 = 4,
  BLOCK_32X32_LG2 = 6,
  BLOCK_64X64_LG2 = 8
} BLOCK_SIZE_LG2;

John Koleszar's avatar
John Koleszar committed
254 255
typedef struct {
  MB_PREDICTION_MODE mode, uv_mode;
256 257
#if CONFIG_COMP_INTERINTRA_PRED
  MB_PREDICTION_MODE interintra_mode, interintra_uv_mode;
258
#endif
John Koleszar's avatar
John Koleszar committed
259 260
  MV_REFERENCE_FRAME ref_frame, second_ref_frame;
  TX_SIZE txfm_size;
261
  int_mv mv[2]; // for each reference frame used
Paul Wilkins's avatar
Paul Wilkins committed
262
  int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
Deb Mukherjee's avatar
Deb Mukherjee committed
263 264 265 266
  int_mv best_mv, best_second_mv;
#if CONFIG_NEW_MVREF
  int best_index, best_second_index;
#endif
Paul Wilkins's avatar
Paul Wilkins committed
267

Paul Wilkins's avatar
Paul Wilkins committed
268 269
  int mb_mode_context[MAX_REF_FRAMES];

270
  SPLITMV_PARTITIONING_TYPE partitioning;
John Koleszar's avatar
John Koleszar committed
271 272 273 274 275 276 277 278 279 280 281 282 283
  unsigned char mb_skip_coeff;                                /* does this mb has coefficients at all, 1=no coefficients, 0=need decode tokens */
  unsigned char need_to_clamp_mvs;
  unsigned char need_to_clamp_secondmv;
  unsigned char segment_id;                  /* Which set of segmentation parameters should be used for this MB */

  // Flags used for prediction status of various bistream signals
  unsigned char seg_id_predicted;
  unsigned char ref_predicted;

  // Indicates if the mb is part of the image (1) vs border (0)
  // This can be useful in determining whether the MB provides
  // a valid predictor
  unsigned char mb_in_image;
284

285
  INTERPOLATIONFILTERTYPE interp_filter;
286

Ronald S. Bultje's avatar
Ronald S. Bultje committed
287
  BLOCK_SIZE_TYPE sb_type;
288 289 290
#if CONFIG_CODE_NONZEROCOUNT
  uint16_t nzcs[256+64*2];
#endif
John Koleszar's avatar
John Koleszar committed
291 292
} MB_MODE_INFO;

John Koleszar's avatar
John Koleszar committed
293 294 295
typedef struct {
  MB_MODE_INFO mbmi;
  union b_mode_info bmi[16];
John Koleszar's avatar
John Koleszar committed
296 297
} MODE_INFO;

Jim Bankoski's avatar
Jim Bankoski committed
298
typedef struct blockd {
299 300 301
  uint8_t *predictor;
  int16_t *diff;
  int16_t *dequant;
John Koleszar's avatar
John Koleszar committed
302

John Koleszar's avatar
John Koleszar committed
303
  /* 16 Y blocks, 4 U blocks, 4 V blocks each with 16 entries */
304 305
  uint8_t **base_pre;
  uint8_t **base_second_pre;
John Koleszar's avatar
John Koleszar committed
306 307
  int pre;
  int pre_stride;
John Koleszar's avatar
John Koleszar committed
308

309
  uint8_t **base_dst;
John Koleszar's avatar
John Koleszar committed
310 311
  int dst;
  int dst_stride;
John Koleszar's avatar
John Koleszar committed
312

John Koleszar's avatar
John Koleszar committed
313
  union b_mode_info bmi;
John Koleszar's avatar
John Koleszar committed
314 315
} BLOCKD;

316 317 318 319
struct scale_factors {
  int x_num;
  int x_den;
  int x_offset_q4;
320
  int x_step_q4;
321 322 323
  int y_num;
  int y_den;
  int y_offset_q4;
324
  int y_step_q4;
325 326 327
#if CONFIG_IMPLICIT_COMPOUNDINTER_WEIGHT
  convolve_fn_t predict[2][2][8];  // horiz, vert, weight (0 - 7)
#else
328
  convolve_fn_t predict[2][2][2];  // horiz, vert, avg
329
#endif
330 331
};

332 333 334 335 336
enum { MAX_MB_PLANE = 3 };

struct mb_plane {
  DECLARE_ALIGNED(16, int16_t,  qcoeff[64 * 64]);
  DECLARE_ALIGNED(16, int16_t,  dqcoeff[64 * 64]);
John Koleszar's avatar
John Koleszar committed
337
  DECLARE_ALIGNED(16, uint16_t, eobs[256]);
338 339 340
  PLANE_TYPE plane_type;
  int subsampling_x;
  int subsampling_y;
341 342 343 344 345 346 347 348 349
};

#define BLOCK_OFFSET(x, i, n) ((x) + (i) * (n))

#define MB_SUBBLOCK_FIELD(x, field, i) (\
  ((i) < 16) ? BLOCK_OFFSET((x)->plane[0].field, (i), 16) : \
  ((i) < 20) ? BLOCK_OFFSET((x)->plane[1].field, ((i) - 16), 16) : \
  BLOCK_OFFSET((x)->plane[2].field, ((i) - 20), 16))

Jim Bankoski's avatar
Jim Bankoski committed
350
typedef struct macroblockd {
351 352
  DECLARE_ALIGNED(16, int16_t,  diff[64*64+32*32*2]);      /* from idct diff */
  DECLARE_ALIGNED(16, uint8_t,  predictor[384]);  // unused for superblocks
353 354 355
#if CONFIG_CODE_NONZEROCOUNT
  DECLARE_ALIGNED(16, uint16_t, nzcs[256+64*2]);
#endif
356
  struct mb_plane plane[MAX_MB_PLANE];
357

358 359
  /* 16 Y blocks, 4 U, 4 V, each with 16 entries. */
  BLOCKD block[24];
John Koleszar's avatar
John Koleszar committed
360

John Koleszar's avatar
John Koleszar committed
361
  YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */
362
  YV12_BUFFER_CONFIG second_pre;
John Koleszar's avatar
John Koleszar committed
363
  YV12_BUFFER_CONFIG dst;
364 365
  struct scale_factors scale_factor[2];
  struct scale_factors scale_factor_uv[2];
John Koleszar's avatar
John Koleszar committed
366

John Koleszar's avatar
John Koleszar committed
367 368 369
  MODE_INFO *prev_mode_info_context;
  MODE_INFO *mode_info_context;
  int mode_info_stride;
John Koleszar's avatar
John Koleszar committed
370

John Koleszar's avatar
John Koleszar committed
371
  FRAME_TYPE frame_type;
John Koleszar's avatar
John Koleszar committed
372

John Koleszar's avatar
John Koleszar committed
373 374
  int up_available;
  int left_available;
375
  int right_available;
John Koleszar's avatar
John Koleszar committed
376

377
  /* Y,U,V */
John Koleszar's avatar
John Koleszar committed
378 379
  ENTROPY_CONTEXT_PLANES *above_context;
  ENTROPY_CONTEXT_PLANES *left_context;
John Koleszar's avatar
John Koleszar committed
380

John Koleszar's avatar
John Koleszar committed
381 382
  /* 0 indicates segmentation at MB level is not enabled. Otherwise the individual bits indicate which features are active. */
  unsigned char segmentation_enabled;
John Koleszar's avatar
John Koleszar committed
383

John Koleszar's avatar
John Koleszar committed
384 385
  /* 0 (do not update) 1 (update) the macroblock segmentation map. */
  unsigned char update_mb_segmentation_map;
John Koleszar's avatar
John Koleszar committed
386

John Koleszar's avatar
John Koleszar committed
387 388
  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
  unsigned char update_mb_segmentation_data;
John Koleszar's avatar
John Koleszar committed
389

John Koleszar's avatar
John Koleszar committed
390 391
  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
  unsigned char mb_segment_abs_delta;
John Koleszar's avatar
John Koleszar committed
392

John Koleszar's avatar
John Koleszar committed
393 394
  /* Per frame flags that define which MB level features (such as quantizer or loop filter level) */
  /* are enabled and when enabled the proabilities used to decode the per MB flags in MB_MODE_INFO */
395

John Koleszar's avatar
John Koleszar committed
396
  // Probability Tree used to code Segment number
397
  vp9_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS];
398
  vp9_prob mb_segment_mispred_tree_probs[MAX_MB_SEGMENTS];
399

400
#if CONFIG_NEW_MVREF
401
  vp9_prob mb_mv_ref_probs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES-1];
402
#endif
Paul Wilkins's avatar
Paul Wilkins committed
403

John Koleszar's avatar
John Koleszar committed
404 405 406
  // Segment features
  signed char segment_feature_data[MAX_MB_SEGMENTS][SEG_LVL_MAX];
  unsigned int segment_feature_mask[MAX_MB_SEGMENTS];
John Koleszar's avatar
John Koleszar committed
407

John Koleszar's avatar
John Koleszar committed
408 409 410 411 412
  /* mode_based Loop filter adjustment */
  unsigned char mode_ref_lf_delta_enabled;
  unsigned char mode_ref_lf_delta_update;

  /* Delta values have the range +/- MAX_LOOP_FILTER */
Yaowu Xu's avatar
Yaowu Xu committed
413 414 415 416 417 418 419 420
  /* 0 = Intra, Last, GF, ARF */
  signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS];
  /* 0 = Intra, Last, GF, ARF */
  signed char ref_lf_deltas[MAX_REF_LF_DELTAS];
  /* 0 = I4X4_PRED, ZERO_MV, MV, SPLIT */
  signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];
  /* 0 = I4X4_PRED, ZERO_MV, MV, SPLIT */
  signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];
John Koleszar's avatar
John Koleszar committed
421 422 423 424 425 426 427 428 429

  /* 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;

  unsigned int frames_since_golden;
  unsigned int frames_till_alt_ref_frame;
430

Yaowu Xu's avatar
Yaowu Xu committed
431
  int lossless;
432
  /* Inverse transform function pointers. */
Yaowu Xu's avatar
Yaowu Xu committed
433 434 435
  void (*inv_txm4x4_1)(int16_t *input, int16_t *output, int pitch);
  void (*inv_txm4x4)(int16_t *input, int16_t *output, int pitch);
  void (*itxm_add)(int16_t *input, const int16_t *dq,
436
    uint8_t *pred, uint8_t *output, int pitch, int stride, int eob);
Yaowu Xu's avatar
Yaowu Xu committed
437
  void (*itxm_add_y_block)(int16_t *q, const int16_t *dq,
438 439
    uint8_t *pre, int pre_stride, uint8_t *dst, int stride,
    struct macroblockd *xd);
Yaowu Xu's avatar
Yaowu Xu committed
440
  void (*itxm_add_uv_block)(int16_t *q, const int16_t *dq,
441
    uint8_t *pre, int pre_stride, uint8_t *dst, int stride,
442
    uint16_t *eobs);
443

444
  struct subpix_fn_table  subpix;
445

John Koleszar's avatar
John Koleszar committed
446
  int allow_high_precision_mv;
John Koleszar's avatar
John Koleszar committed
447

John Koleszar's avatar
John Koleszar committed
448
  int corrupted;
449

Ronald S. Bultje's avatar
Ronald S. Bultje committed
450
  int sb_index;
John Koleszar's avatar
John Koleszar committed
451
  int mb_index;   // Index of the MB in the SB (0..3)
Jingning Han's avatar
Jingning Han committed
452 453
  int q_index;

John Koleszar's avatar
John Koleszar committed
454 455
} MACROBLOCKD;

456
#define ACTIVE_HT   110                // quantization stepsize threshold
Deb Mukherjee's avatar
Deb Mukherjee committed
457

458
#define ACTIVE_HT8  300
Deb Mukherjee's avatar
Deb Mukherjee committed
459

460
#define ACTIVE_HT16 300
Deb Mukherjee's avatar
Deb Mukherjee committed
461 462 463 464

// convert MB_PREDICTION_MODE to B_PREDICTION_MODE
static B_PREDICTION_MODE pred_mode_conv(MB_PREDICTION_MODE mode) {
  switch (mode) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
465
    case DC_PRED: return B_DC_PRED;
Yaowu Xu's avatar
Yaowu Xu committed
466 467
    case V_PRED: return B_V_PRED;
    case H_PRED: return B_H_PRED;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
468
    case TM_PRED: return B_TM_PRED;
Yaowu Xu's avatar
Yaowu Xu committed
469 470 471 472 473 474
    case D45_PRED: return B_D45_PRED;
    case D135_PRED: return B_D135_PRED;
    case D117_PRED: return B_D117_PRED;
    case D153_PRED: return B_D153_PRED;
    case D27_PRED: return B_D27_PRED;
    case D63_PRED: return B_D63_PRED;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
475 476 477
    default:
       assert(0);
       return B_MODE_COUNT;  // Dummy value
Deb Mukherjee's avatar
Deb Mukherjee committed
478 479 480
  }
}

481
// transform mapping
Deb Mukherjee's avatar
Deb Mukherjee committed
482
static TX_TYPE txfm_map(B_PREDICTION_MODE bmode) {
483 484
  switch (bmode) {
    case B_TM_PRED :
Yaowu Xu's avatar
Yaowu Xu committed
485
    case B_D135_PRED :
Dmitry Kovalev's avatar
Dmitry Kovalev committed
486
      return ADST_ADST;
487

Yaowu Xu's avatar
Yaowu Xu committed
488 489
    case B_V_PRED :
    case B_D117_PRED :
Dmitry Kovalev's avatar
Dmitry Kovalev committed
490
      return ADST_DCT;
491

Yaowu Xu's avatar
Yaowu Xu committed
492 493 494
    case B_H_PRED :
    case B_D153_PRED :
    case B_D27_PRED :
Dmitry Kovalev's avatar
Dmitry Kovalev committed
495
      return DCT_ADST;
496

497 498 499 500 501 502
#if CONFIG_NEWBINTRAMODES
    case B_CONTEXT_PRED:
      assert(0);
      break;
#endif

Dmitry Kovalev's avatar
Dmitry Kovalev committed
503 504
    default:
      return DCT_DCT;
505
  }
Deb Mukherjee's avatar
Deb Mukherjee committed
506 507
}

508 509 510 511 512 513
extern const uint8_t vp9_block2left[TX_SIZE_MAX_MB][24];
extern const uint8_t vp9_block2above[TX_SIZE_MAX_MB][24];
extern const uint8_t vp9_block2left_sb[TX_SIZE_MAX_SB][96];
extern const uint8_t vp9_block2above_sb[TX_SIZE_MAX_SB][96];
extern const uint8_t vp9_block2left_sb64[TX_SIZE_MAX_SB][384];
extern const uint8_t vp9_block2above_sb64[TX_SIZE_MAX_SB][384];
Yaowu Xu's avatar
Yaowu Xu committed
514

515 516
#define USE_ADST_FOR_I16X16_8X8   1
#define USE_ADST_FOR_I16X16_4X4   1
517 518
#define USE_ADST_FOR_I8X8_4X4     1
#define USE_ADST_PERIPHERY_ONLY   1
519 520
#define USE_ADST_FOR_SB           1
#define USE_ADST_FOR_REMOTE_EDGE  0
521

522
static TX_TYPE get_tx_type_4x4(const MACROBLOCKD *xd, int ib) {
523 524
  // TODO(debargha): explore different patterns for ADST usage when blocksize
  // is smaller than the prediction size
Deb Mukherjee's avatar
Deb Mukherjee committed
525
  TX_TYPE tx_type = DCT_DCT;
526
  const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
527
  const int wb = mb_width_log2(sb_type), hb = mb_height_log2(sb_type);
528
#if !USE_ADST_FOR_SB
529
  if (sb_type > BLOCK_SIZE_MB16X16)
530
    return tx_type;
531
#endif
532
  if (ib >= (16 << (wb + hb)))  // no chroma adst
533
    return tx_type;
Yaowu Xu's avatar
Yaowu Xu committed
534
  if (xd->lossless)
Yaowu Xu's avatar
Yaowu Xu committed
535
    return DCT_DCT;
Yaowu Xu's avatar
Yaowu Xu committed
536
  if (xd->mode_info_context->mbmi.mode == I4X4_PRED &&
Deb Mukherjee's avatar
Deb Mukherjee committed
537
      xd->q_index < ACTIVE_HT) {
538
    const BLOCKD *b = &xd->block[ib];
539 540 541 542 543
    tx_type = txfm_map(
#if CONFIG_NEWBINTRAMODES
        b->bmi.as_mode.first == B_CONTEXT_PRED ? b->bmi.as_mode.context :
#endif
        b->bmi.as_mode.first);
544 545
  } else if (xd->mode_info_context->mbmi.mode == I8X8_PRED &&
             xd->q_index < ACTIVE_HT) {
546
    const BLOCKD *b = &xd->block[ib];
547
    const int ic = (ib & 10);
548 549 550
#if USE_ADST_FOR_I8X8_4X4
#if USE_ADST_PERIPHERY_ONLY
    // Use ADST for periphery blocks only
551
    const int inner = ib & 5;
552
    b += ic - ib;
553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568
    tx_type = txfm_map(pred_mode_conv(
        (MB_PREDICTION_MODE)b->bmi.as_mode.first));
#if USE_ADST_FOR_REMOTE_EDGE
    if (inner == 5)
      tx_type = DCT_DCT;
#else
    if (inner == 1) {
      if (tx_type == ADST_ADST) tx_type = ADST_DCT;
      else if (tx_type == DCT_ADST) tx_type = DCT_DCT;
    } else if (inner == 4) {
      if (tx_type == ADST_ADST) tx_type = DCT_ADST;
      else if (tx_type == ADST_DCT) tx_type = DCT_DCT;
    } else if (inner == 5) {
      tx_type = DCT_DCT;
    }
#endif
569 570
#else
    // Use ADST
571
    b += ic - ib;
572 573 574 575 576 577 578 579 580 581 582
    tx_type = txfm_map(pred_mode_conv(
        (MB_PREDICTION_MODE)b->bmi.as_mode.first));
#endif
#else
    // Use 2D DCT
    tx_type = DCT_DCT;
#endif
  } else if (xd->mode_info_context->mbmi.mode < I8X8_PRED &&
             xd->q_index < ACTIVE_HT) {
#if USE_ADST_FOR_I16X16_4X4
#if USE_ADST_PERIPHERY_ONLY
583
    const int hmax = 4 << wb;
584 585 586 587 588 589 590 591 592 593 594 595 596 597 598
    tx_type = txfm_map(pred_mode_conv(xd->mode_info_context->mbmi.mode));
#if USE_ADST_FOR_REMOTE_EDGE
    if ((ib & (hmax - 1)) != 0 && ib >= hmax)
      tx_type = DCT_DCT;
#else
    if (ib >= 1 && ib < hmax) {
      if (tx_type == ADST_ADST) tx_type = ADST_DCT;
      else if (tx_type == DCT_ADST) tx_type = DCT_DCT;
    } else if (ib >= 1 && (ib & (hmax - 1)) == 0) {
      if (tx_type == ADST_ADST) tx_type = DCT_ADST;
      else if (tx_type == ADST_DCT) tx_type = DCT_DCT;
    } else if (ib != 0) {
      tx_type = DCT_DCT;
    }
#endif
599 600 601 602 603 604 605 606
#else
    // Use ADST
    tx_type = txfm_map(pred_mode_conv(xd->mode_info_context->mbmi.mode));
#endif
#else
    // Use 2D DCT
    tx_type = DCT_DCT;
#endif
Deb Mukherjee's avatar
Deb Mukherjee committed
607 608 609 610
  }
  return tx_type;
}

611
static TX_TYPE get_tx_type_8x8(const MACROBLOCKD *xd, int ib) {
612 613
  // TODO(debargha): explore different patterns for ADST usage when blocksize
  // is smaller than the prediction size
Deb Mukherjee's avatar
Deb Mukherjee committed
614
  TX_TYPE tx_type = DCT_DCT;
615
  const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
616
  const int wb = mb_width_log2(sb_type), hb = mb_height_log2(sb_type);
617
#if !USE_ADST_FOR_SB
618
  if (sb_type > BLOCK_SIZE_MB16X16)
619
    return tx_type;
620
#endif
621
  if (ib >= (16 << (wb + hb)))  // no chroma adst
622
    return tx_type;
Deb Mukherjee's avatar
Deb Mukherjee committed
623 624
  if (xd->mode_info_context->mbmi.mode == I8X8_PRED &&
      xd->q_index < ACTIVE_HT8) {
625
    const BLOCKD *b = &xd->block[ib];
James Zern's avatar
James Zern committed
626 627 628
    // TODO(rbultje): MB_PREDICTION_MODE / B_PREDICTION_MODE should be merged
    // or the relationship otherwise modified to address this type conversion.
    tx_type = txfm_map(pred_mode_conv(
629 630 631
           (MB_PREDICTION_MODE)b->bmi.as_mode.first));
  } else if (xd->mode_info_context->mbmi.mode < I8X8_PRED &&
             xd->q_index < ACTIVE_HT8) {
632
#if USE_ADST_FOR_I16X16_8X8
633
#if USE_ADST_PERIPHERY_ONLY
634
    const int hmax = 4 << wb;
635 636 637 638 639 640 641 642 643 644 645 646 647 648 649
    tx_type = txfm_map(pred_mode_conv(xd->mode_info_context->mbmi.mode));
#if USE_ADST_FOR_REMOTE_EDGE
    if ((ib & (hmax - 1)) != 0 && ib >= hmax)
      tx_type = DCT_DCT;
#else
    if (ib >= 1 && ib < hmax) {
      if (tx_type == ADST_ADST) tx_type = ADST_DCT;
      else if (tx_type == DCT_ADST) tx_type = DCT_DCT;
    } else if (ib >= 1 && (ib & (hmax - 1)) == 0) {
      if (tx_type == ADST_ADST) tx_type = DCT_ADST;
      else if (tx_type == ADST_DCT) tx_type = DCT_DCT;
    } else if (ib != 0) {
      tx_type = DCT_DCT;
    }
#endif
650 651 652 653 654 655 656 657
#else
    // Use ADST
    tx_type = txfm_map(pred_mode_conv(xd->mode_info_context->mbmi.mode));
#endif
#else
    // Use 2D DCT
    tx_type = DCT_DCT;
#endif
Deb Mukherjee's avatar
Deb Mukherjee committed
658 659
  }
  return tx_type;
660
}
661

662
static TX_TYPE get_tx_type_16x16(const MACROBLOCKD *xd, int ib) {
Deb Mukherjee's avatar
Deb Mukherjee committed
663
  TX_TYPE tx_type = DCT_DCT;
664
  const BLOCK_SIZE_TYPE sb_type = xd->mode_info_context->mbmi.sb_type;
665
  const int wb = mb_width_log2(sb_type), hb = mb_height_log2(sb_type);
666
#if !USE_ADST_FOR_SB
667
  if (sb_type > BLOCK_SIZE_MB16X16)
668 669
    return tx_type;
#endif
670
  if (ib >= (16 << (wb + hb)))
671 672
    return tx_type;
  if (xd->mode_info_context->mbmi.mode < I8X8_PRED &&
Deb Mukherjee's avatar
Deb Mukherjee committed
673 674
      xd->q_index < ACTIVE_HT16) {
    tx_type = txfm_map(pred_mode_conv(xd->mode_info_context->mbmi.mode));
675
#if USE_ADST_PERIPHERY_ONLY
676 677
    if (sb_type > BLOCK_SIZE_MB16X16) {
      const int hmax = 4 << wb;
678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693
#if USE_ADST_FOR_REMOTE_EDGE
      if ((ib & (hmax - 1)) != 0 && ib >= hmax)
        tx_type = DCT_DCT;
#else
      if (ib >= 1 && ib < hmax) {
        if (tx_type == ADST_ADST) tx_type = ADST_DCT;
        else if (tx_type == DCT_ADST) tx_type = DCT_DCT;
      } else if (ib >= 1 && (ib & (hmax - 1)) == 0) {
        if (tx_type == ADST_ADST) tx_type = DCT_ADST;
        else if (tx_type == ADST_DCT) tx_type = DCT_DCT;
      } else if (ib != 0) {
        tx_type = DCT_DCT;
      }
#endif
    }
#endif
Deb Mukherjee's avatar
Deb Mukherjee committed
694 695 696 697
  }
  return tx_type;
}

Dmitry Kovalev's avatar
Dmitry Kovalev committed
698 699
void vp9_build_block_doffsets(MACROBLOCKD *xd);
void vp9_setup_block_dptrs(MACROBLOCKD *xd);
John Koleszar's avatar
John Koleszar committed
700

John Koleszar's avatar
John Koleszar committed
701
static void update_blockd_bmi(MACROBLOCKD *xd) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
702 703
  const MB_PREDICTION_MODE mode = xd->mode_info_context->mbmi.mode;

Yaowu Xu's avatar
Yaowu Xu committed
704
  if (mode == SPLITMV || mode == I8X8_PRED || mode == I4X4_PRED) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
705 706
    int i;
    for (i = 0; i < 16; i++)
John Koleszar's avatar
John Koleszar committed
707 708
      xd->block[i].bmi = xd->mode_info_context->bmi[i];
  }
Yaowu Xu's avatar
Yaowu Xu committed
709
}
Dmitry Kovalev's avatar
Dmitry Kovalev committed
710

711
static TX_SIZE get_uv_tx_size(const MACROBLOCKD *xd) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
712 713 714 715 716 717 718
  MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi;
  const TX_SIZE size = mbmi->txfm_size;
  const MB_PREDICTION_MODE mode = mbmi->mode;

  switch (mbmi->sb_type) {
    case BLOCK_SIZE_SB64X64:
      return size;
719 720 721 722
#if CONFIG_SBSEGMENT
    case BLOCK_SIZE_SB64X32:
    case BLOCK_SIZE_SB32X64:
#endif
Dmitry Kovalev's avatar
Dmitry Kovalev committed
723 724 725 726 727 728 729 730 731 732 733 734
    case BLOCK_SIZE_SB32X32:
      if (size == TX_32X32)
        return TX_16X16;
      else
        return size;
    default:
      if (size == TX_16X16)
        return TX_8X8;
      else if (size == TX_8X8 && (mode == I8X8_PRED || mode == SPLITMV))
        return TX_4X4;
      else
        return size;
735
  }
Dmitry Kovalev's avatar
Dmitry Kovalev committed
736 737

  return size;
738
}
739 740 741 742 743 744

#if CONFIG_CODE_NONZEROCOUNT
static int get_nzc_used(TX_SIZE tx_size) {
  return (tx_size >= TX_16X16);
}
#endif
745 746 747 748 749 750 751 752

struct plane_block_idx {
  int plane;
  int block;
};

// TODO(jkoleszar): returning a struct so it can be used in a const context,
// expect to refactor this further later.
John Koleszar's avatar
John Koleszar committed
753 754 755
static INLINE struct plane_block_idx plane_block_idx(int y_blocks,
                                                      int b_idx) {
  const int v_offset = y_blocks * 5 / 4;
756 757
  struct plane_block_idx res;

John Koleszar's avatar
John Koleszar committed
758
  if (b_idx < y_blocks) {
759 760 761 762
    res.plane = 0;
    res.block = b_idx;
  } else if (b_idx < v_offset) {
    res.plane = 1;
John Koleszar's avatar
John Koleszar committed
763
    res.block = b_idx - y_blocks;
764
  } else {
John Koleszar's avatar
John Koleszar committed
765
    assert(b_idx < y_blocks * 3 / 2);
766 767 768 769 770 771
    res.plane = 2;
    res.block = b_idx - v_offset;
  }
  return res;
}

John Koleszar's avatar
John Koleszar committed
772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843
/* TODO(jkoleszar): Probably best to remove instances that require this,
 * as the data likely becomes per-plane and stored in the per-plane structures.
 * This is a stub to work with the existing code.
 */
static INLINE int old_block_idx_4x4(MACROBLOCKD* const xd, int block_size_b,
                                    int plane, int i) {
  const int luma_blocks = 1 << block_size_b;
  assert(xd->plane[0].subsampling_x == 0);
  assert(xd->plane[0].subsampling_y == 0);
  assert(xd->plane[1].subsampling_x == 1);
  assert(xd->plane[1].subsampling_y == 1);
  assert(xd->plane[2].subsampling_x == 1);
  assert(xd->plane[2].subsampling_y == 1);
  return plane == 0 ? i :
         plane == 1 ? luma_blocks + i :
                      luma_blocks * 5 / 4 + i;
}

typedef void (*foreach_transformed_block_visitor)(int plane, int block,
                                                  int block_size_b,
                                                  int ss_txfrm_size,
                                                  void *arg);
static INLINE void foreach_transformed_block_in_plane(
    const MACROBLOCKD* const xd, int block_size, int plane,
    int is_split, foreach_transformed_block_visitor visit, void *arg) {
  // block and transform sizes, in number of 4x4 blocks log 2 ("*_b")
  // 4x4=0, 8x8=2, 16x16=4, 32x32=6, 64x64=8
  const TX_SIZE tx_size = xd->mode_info_context->mbmi.txfm_size;
  const int block_size_b = block_size;
  const int txfrm_size_b = tx_size * 2;

  // subsampled size of the block
  const int ss_sum = xd->plane[plane].subsampling_x +
                     xd->plane[plane].subsampling_y;
  const int ss_block_size = block_size_b - ss_sum;

  // size of the transform to use. scale the transform down if it's larger
  // than the size of the subsampled data, or forced externally by the mb mode.
  const int ss_max = MAX(xd->plane[plane].subsampling_x,
                         xd->plane[plane].subsampling_y);
  const int ss_txfrm_size = txfrm_size_b > ss_block_size || is_split
                                ? txfrm_size_b - ss_max * 2
                                : txfrm_size_b;

  // TODO(jkoleszar): 1 may not be correct here with larger chroma planes.
  const int inc = is_split ? 1 : (1 << ss_txfrm_size);
  int i;

  assert(txfrm_size_b <= block_size_b);
  assert(ss_txfrm_size <= ss_block_size);
  for (i = 0; i < (1 << ss_block_size); i += inc) {
    visit(plane, i, block_size_b, ss_txfrm_size, arg);
  }
}

static INLINE void foreach_transformed_block(
    const MACROBLOCKD* const xd, int block_size,
    foreach_transformed_block_visitor visit, void *arg) {
  const MB_PREDICTION_MODE mode = xd->mode_info_context->mbmi.mode;
  const int is_split =
      xd->mode_info_context->mbmi.txfm_size == TX_8X8 &&
      (mode == I8X8_PRED || mode == SPLITMV);
  int plane;

  for (plane = 0; plane < MAX_MB_PLANE; plane++) {
    const int is_split_chroma = is_split &&
         xd->plane[plane].plane_type == PLANE_TYPE_UV;

    foreach_transformed_block_in_plane(xd, block_size, plane, is_split_chroma,
                                       visit, arg);
  }
}
844

845 846 847 848 849 850 851 852 853 854 855 856 857 858 859
static INLINE void foreach_transformed_block_uv(
    const MACROBLOCKD* const xd, int block_size,
    foreach_transformed_block_visitor visit, void *arg) {
  const MB_PREDICTION_MODE mode = xd->mode_info_context->mbmi.mode;
  const int is_split =
      xd->mode_info_context->mbmi.txfm_size == TX_8X8 &&
      (mode == I8X8_PRED || mode == SPLITMV);
  int plane;

  for (plane = 1; plane < MAX_MB_PLANE; plane++) {
    foreach_transformed_block_in_plane(xd, block_size, plane, is_split,
                                       visit, arg);
  }
}

860
#endif  // VP9_COMMON_VP9_BLOCKD_H_