vp9_blockd.h 18.3 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 16 17 18

void vpx_log(const char *format, ...);

#include "vpx_ports/config.h"
#include "vpx_scale/yv12config.h"
19 20 21
#include "vp9/common/vp9_mv.h"
#include "vp9/common/vp9_treecoder.h"
#include "vp9/common/vp9_subpixel.h"
John Koleszar's avatar
John Koleszar committed
22
#include "vpx_ports/mem.h"
23
#include "vp9/common/vp9_common.h"
John Koleszar's avatar
John Koleszar committed
24 25 26 27

#define TRUE    1
#define FALSE   0

John Koleszar's avatar
John Koleszar committed
28
// #define MODE_STATS
29

30
/*#define DCPRED 1*/
John Koleszar's avatar
John Koleszar committed
31 32 33 34
#define DCPREDSIMTHRESH 0
#define DCPREDCNTTHRESH 3

#define MB_FEATURE_TREE_PROBS   3
35
#define PREDICTION_PROBS 3
36

37 38
#define MBSKIP_CONTEXTS 3

John Koleszar's avatar
John Koleszar committed
39 40 41 42 43
#define MAX_MB_SEGMENTS         4

#define MAX_REF_LF_DELTAS       4
#define MAX_MODE_LF_DELTAS      4

44
/* Segment Feature Masks */
John Koleszar's avatar
John Koleszar committed
45 46
#define SEGMENT_DELTADATA   0
#define SEGMENT_ABSDATA     1
Paul Wilkins's avatar
Paul Wilkins committed
47
#define MAX_MV_REFS 9
John Koleszar's avatar
John Koleszar committed
48

John Koleszar's avatar
John Koleszar committed
49 50
typedef struct {
  int r, c;
John Koleszar's avatar
John Koleszar committed
51 52
} POS;

53 54 55 56 57 58
typedef enum PlaneType {
  PLANE_TYPE_Y_NO_DC = 0,
  PLANE_TYPE_Y2,
  PLANE_TYPE_UV,
  PLANE_TYPE_Y_WITH_DC,
} PLANE_TYPE;
Scott LaVarnway's avatar
Scott LaVarnway committed
59

60
typedef char ENTROPY_CONTEXT;
John Koleszar's avatar
John Koleszar committed
61 62 63 64 65
typedef struct {
  ENTROPY_CONTEXT y1[4];
  ENTROPY_CONTEXT u[2];
  ENTROPY_CONTEXT v[2];
  ENTROPY_CONTEXT y2;
66
} ENTROPY_CONTEXT_PLANES;
John Koleszar's avatar
John Koleszar committed
67

68 69 70 71
extern const unsigned char vp9_block2left[25];
extern const unsigned char vp9_block2above[25];
extern const unsigned char vp9_block2left_8x8[25];
extern const unsigned char vp9_block2above_8x8[25];
72

73
#define VP9_COMBINEENTROPYCONTEXTS( Dest, A, B) \
John Koleszar's avatar
John Koleszar committed
74
  Dest = ((A)!=0) + ((B)!=0);
John Koleszar's avatar
John Koleszar committed
75

John Koleszar's avatar
John Koleszar committed
76 77 78
typedef enum {
  KEY_FRAME = 0,
  INTER_FRAME = 1
John Koleszar's avatar
John Koleszar committed
79 80
} FRAME_TYPE;

81 82 83 84 85 86 87 88 89 90 91
typedef enum
{
  SIXTAP   = 0,
  BILINEAR = 1,
  EIGHTTAP = 2,
  EIGHTTAP_SHARP = 3,
  SWITCHABLE  /* should be the last one */
} INTERPOLATIONFILTERTYPE;

typedef enum
{
John Koleszar's avatar
John Koleszar committed
92 93 94 95 96 97 98 99 100 101 102 103
  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 */
  I8X8_PRED,          /* 8x8 based prediction, each 8x8 has its own prediction mode */
  B_PRED,             /* block based prediction, each block has its own prediction mode */
John Koleszar's avatar
John Koleszar committed
104

John Koleszar's avatar
John Koleszar committed
105 106 107 108 109
  NEARESTMV,
  NEARMV,
  ZEROMV,
  NEWMV,
  SPLITMV,
John Koleszar's avatar
John Koleszar committed
110

John Koleszar's avatar
John Koleszar committed
111
  MB_MODE_COUNT
John Koleszar's avatar
John Koleszar committed
112 113
} MB_PREDICTION_MODE;

Paul Wilkins's avatar
Paul Wilkins committed
114
// Segment level features.
John Koleszar's avatar
John Koleszar committed
115 116 117 118 119 120 121 122
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
  SEG_LVL_MODE = 3,                // Optional Segment mode
  SEG_LVL_EOB = 4,                 // EOB end stop marker.
  SEG_LVL_TRANSFORM = 5,           // Block transform size.
  SEG_LVL_MAX = 6                  // Number of MB level features supported
John Koleszar's avatar
John Koleszar committed
123

Paul Wilkins's avatar
Paul Wilkins committed
124
} SEG_LVL_FEATURES;
John Koleszar's avatar
John Koleszar committed
125

Paul Wilkins's avatar
Paul Wilkins committed
126
// Segment level features.
John Koleszar's avatar
John Koleszar committed
127
typedef enum {
Daniel Kang's avatar
Daniel Kang committed
128 129 130 131
  TX_4X4,                      // 4x4 dct transform
  TX_8X8,                      // 8x8 dct transform
  TX_16X16,                    // 16x16 dct transform
  TX_SIZE_MAX                  // Number of different transforms available
Paul Wilkins's avatar
Paul Wilkins committed
132 133
} TX_SIZE;

Jingning Han's avatar
Jingning Han committed
134 135
typedef enum {
  DCT_DCT   = 0,                      // DCT  in both horizontal and vertical
136 137
  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
138 139 140
  ADST_ADST = 3                       // ADST in both directions
} TX_TYPE;

141 142 143 144
#define VP9_YMODES  (B_PRED + 1)
#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
145

146
#define VP9_MVREFS (1 + SPLITMV - NEARESTMV)
John Koleszar's avatar
John Koleszar committed
147

148 149 150 151 152
#if CONFIG_LOSSLESS
#define WHT_UPSCALE_FACTOR 3
#define Y2_WHT_UPSCALE_FACTOR 2
#endif

John Koleszar's avatar
John Koleszar committed
153 154 155
typedef enum {
  B_DC_PRED,          /* average of above and left pixels */
  B_TM_PRED,
John Koleszar's avatar
John Koleszar committed
156

157 158
  B_VE_PRED,          /* vertical prediction */
  B_HE_PRED,          /* horizontal prediction */
John Koleszar's avatar
John Koleszar committed
159

John Koleszar's avatar
John Koleszar committed
160 161
  B_LD_PRED,
  B_RD_PRED,
John Koleszar's avatar
John Koleszar committed
162

John Koleszar's avatar
John Koleszar committed
163 164 165 166
  B_VR_PRED,
  B_VL_PRED,
  B_HD_PRED,
  B_HU_PRED,
167 168 169
#if CONFIG_NEWBINTRAMODES
  B_CONTEXT_PRED,
#endif
John Koleszar's avatar
John Koleszar committed
170

John Koleszar's avatar
John Koleszar committed
171 172 173 174
  LEFT4X4,
  ABOVE4X4,
  ZERO4X4,
  NEW4X4,
John Koleszar's avatar
John Koleszar committed
175

John Koleszar's avatar
John Koleszar committed
176
  B_MODE_COUNT
John Koleszar's avatar
John Koleszar committed
177 178
} B_PREDICTION_MODE;

179
#define VP9_BINTRAMODES (LEFT4X4)
180
#define VP9_SUBMVREFS (1 + NEW4X4 - LEFT4X4)
John Koleszar's avatar
John Koleszar committed
181

182 183 184 185 186 187 188 189 190 191
#if CONFIG_NEWBINTRAMODES
/* The number of B_PRED intra modes that are replaced by B_CONTEXT_PRED */
#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

192 193 194 195 196 197 198 199
typedef enum {
  PARTITIONING_16X8 = 0,
  PARTITIONING_8X16,
  PARTITIONING_8X8,
  PARTITIONING_4X4,
  NB_PARTITIONINGS,
} SPLITMV_PARTITIONING_TYPE;

John Koleszar's avatar
John Koleszar committed
200 201 202 203
/* 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
204 205 206
union b_mode_info {
  struct {
    B_PREDICTION_MODE first;
Jingning Han's avatar
Jingning Han committed
207
    TX_TYPE           tx_type;
208
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
209
    B_PREDICTION_MODE second;
210 211 212
#endif
#if CONFIG_NEWBINTRAMODES
    B_PREDICTION_MODE context;
213
#endif
John Koleszar's avatar
John Koleszar committed
214 215 216 217 218
  } as_mode;
  struct {
    int_mv first;
    int_mv second;
  } as_mv;
219
};
John Koleszar's avatar
John Koleszar committed
220

John Koleszar's avatar
John Koleszar committed
221
typedef enum {
222
  NONE = -1,
John Koleszar's avatar
John Koleszar committed
223 224 225 226 227
  INTRA_FRAME = 0,
  LAST_FRAME = 1,
  GOLDEN_FRAME = 2,
  ALTREF_FRAME = 3,
  MAX_REF_FRAMES = 4
John Koleszar's avatar
John Koleszar committed
228 229
} MV_REFERENCE_FRAME;

John Koleszar's avatar
John Koleszar committed
230 231
typedef struct {
  MB_PREDICTION_MODE mode, uv_mode;
232
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
233
  MB_PREDICTION_MODE second_mode, second_uv_mode;
234 235 236
#endif
#if CONFIG_COMP_INTERINTRA_PRED
  MB_PREDICTION_MODE interintra_mode, interintra_uv_mode;
237
#endif
John Koleszar's avatar
John Koleszar committed
238 239
  MV_REFERENCE_FRAME ref_frame, second_ref_frame;
  TX_SIZE txfm_size;
240
  int_mv mv[2]; // for each reference frame used
Paul Wilkins's avatar
Paul Wilkins committed
241
  int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REFS];
Deb Mukherjee's avatar
Deb Mukherjee committed
242 243 244 245
  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
246

Paul Wilkins's avatar
Paul Wilkins committed
247 248
  int mb_mode_context[MAX_REF_FRAMES];

249
  SPLITMV_PARTITIONING_TYPE partitioning;
John Koleszar's avatar
John Koleszar committed
250 251 252 253 254 255 256 257 258 259 260 261 262
  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;
263

264
#if CONFIG_PRED_FILTER
John Koleszar's avatar
John Koleszar committed
265 266
  // Flag to turn prediction signal filter on(1)/off(0 ) at the MB level
  unsigned int pred_filter_enabled;
267
#endif
268
    INTERPOLATIONFILTERTYPE interp_filter;
269

Ronald S. Bultje's avatar
Ronald S. Bultje committed
270 271 272 273 274
#if CONFIG_SUPERBLOCKS
  // FIXME need a SB array of 4 MB_MODE_INFOs that
  // only needs one encoded_as_sb.
  unsigned char encoded_as_sb;
#endif
John Koleszar's avatar
John Koleszar committed
275 276
} MB_MODE_INFO;

John Koleszar's avatar
John Koleszar committed
277 278 279
typedef struct {
  MB_MODE_INFO mbmi;
  union b_mode_info bmi[16];
John Koleszar's avatar
John Koleszar committed
280 281
} MODE_INFO;

Jim Bankoski's avatar
Jim Bankoski committed
282
typedef struct blockd {
John Koleszar's avatar
John Koleszar committed
283 284 285 286 287
  short *qcoeff;
  short *dqcoeff;
  unsigned char  *predictor;
  short *diff;
  short *dequant;
John Koleszar's avatar
John Koleszar committed
288

John Koleszar's avatar
John Koleszar committed
289 290 291 292 293
  /* 16 Y blocks, 4 U blocks, 4 V blocks each with 16 entries */
  unsigned char **base_pre;
  unsigned char **base_second_pre;
  int pre;
  int pre_stride;
John Koleszar's avatar
John Koleszar committed
294

John Koleszar's avatar
John Koleszar committed
295 296 297
  unsigned char **base_dst;
  int dst;
  int dst_stride;
John Koleszar's avatar
John Koleszar committed
298

John Koleszar's avatar
John Koleszar committed
299
  int eob;
John Koleszar's avatar
John Koleszar committed
300

John Koleszar's avatar
John Koleszar committed
301
  union b_mode_info bmi;
John Koleszar's avatar
John Koleszar committed
302 303
} BLOCKD;

Jim Bankoski's avatar
Jim Bankoski committed
304
typedef struct macroblockd {
John Koleszar's avatar
John Koleszar committed
305 306 307 308
  DECLARE_ALIGNED(16, short, diff[400]);      /* from idct diff */
  DECLARE_ALIGNED(16, unsigned char,  predictor[384]);
  DECLARE_ALIGNED(16, short, qcoeff[400]);
  DECLARE_ALIGNED(16, short, dqcoeff[400]);
Yunqing Wang's avatar
Yunqing Wang committed
309
  DECLARE_ALIGNED(16, unsigned short,  eobs[25]);
John Koleszar's avatar
John Koleszar committed
310

John Koleszar's avatar
John Koleszar committed
311 312 313
  /* 16 Y blocks, 4 U, 4 V, 1 DC 2nd order block, each with 16 entries. */
  BLOCKD block[25];
  int fullpixel_mask;
John Koleszar's avatar
John Koleszar committed
314

John Koleszar's avatar
John Koleszar committed
315 316 317 318 319
  YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */
  struct {
    uint8_t *y_buffer, *u_buffer, *v_buffer;
  } second_pre;
  YV12_BUFFER_CONFIG dst;
John Koleszar's avatar
John Koleszar committed
320

John Koleszar's avatar
John Koleszar committed
321 322 323
  MODE_INFO *prev_mode_info_context;
  MODE_INFO *mode_info_context;
  int mode_info_stride;
John Koleszar's avatar
John Koleszar committed
324

John Koleszar's avatar
John Koleszar committed
325
  FRAME_TYPE frame_type;
John Koleszar's avatar
John Koleszar committed
326

John Koleszar's avatar
John Koleszar committed
327 328
  int up_available;
  int left_available;
John Koleszar's avatar
John Koleszar committed
329

John Koleszar's avatar
John Koleszar committed
330 331 332
  /* Y,U,V,Y2 */
  ENTROPY_CONTEXT_PLANES *above_context;
  ENTROPY_CONTEXT_PLANES *left_context;
John Koleszar's avatar
John Koleszar committed
333

John Koleszar's avatar
John Koleszar committed
334 335
  /* 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
336

John Koleszar's avatar
John Koleszar committed
337 338
  /* 0 (do not update) 1 (update) the macroblock segmentation map. */
  unsigned char update_mb_segmentation_map;
John Koleszar's avatar
John Koleszar committed
339

John Koleszar's avatar
John Koleszar committed
340 341
  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
  unsigned char update_mb_segmentation_data;
John Koleszar's avatar
John Koleszar committed
342

John Koleszar's avatar
John Koleszar committed
343 344
  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
  unsigned char mb_segment_abs_delta;
John Koleszar's avatar
John Koleszar committed
345

John Koleszar's avatar
John Koleszar committed
346 347
  /* 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 */
348

John Koleszar's avatar
John Koleszar committed
349
  // Probability Tree used to code Segment number
350
  vp9_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS];
351

352
#if CONFIG_NEW_MVREF
353
  vp9_prob mb_mv_ref_id_probs[MAX_REF_FRAMES][3];
354
#endif
Paul Wilkins's avatar
Paul Wilkins committed
355

John Koleszar's avatar
John Koleszar committed
356 357 358
  // 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
359

John Koleszar's avatar
John Koleszar committed
360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377
  /* 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 */
  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 = Intra, Last, GF, ARF */
  signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];              /* 0 = BPRED, ZERO_MV, MV, SPLIT */
  signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];                   /* 0 = BPRED, ZERO_MV, MV, SPLIT */

  /* 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;
378 379 380 381 382 383 384 385

  /* Inverse transform function pointers. */
  void (*inv_xform4x4_1_x8)(short *input, short *output, int pitch);
  void (*inv_xform4x4_x8)(short *input, short *output, int pitch);
  void (*inv_walsh4x4_1)(short *in, short *out);
  void (*inv_walsh4x4_lossless)(short *in, short *out);


386 387 388 389 390 391 392 393
  vp9_subpix_fn_t  subpixel_predict;
  vp9_subpix_fn_t  subpixel_predict8x4;
  vp9_subpix_fn_t  subpixel_predict8x8;
  vp9_subpix_fn_t  subpixel_predict16x16;
  vp9_subpix_fn_t  subpixel_predict_avg;
  vp9_subpix_fn_t  subpixel_predict_avg8x4;
  vp9_subpix_fn_t  subpixel_predict_avg8x8;
  vp9_subpix_fn_t  subpixel_predict_avg16x16;
John Koleszar's avatar
John Koleszar committed
394
  int allow_high_precision_mv;
John Koleszar's avatar
John Koleszar committed
395

John Koleszar's avatar
John Koleszar committed
396
  int corrupted;
397

398
#if !CONFIG_SUPERBLOCKS && (ARCH_X86 || ARCH_X86_64)
John Koleszar's avatar
John Koleszar committed
399 400 401 402 403
  /* This is an intermediate buffer currently used in sub-pixel motion search
   * to keep a copy of the reference area. This buffer can be used for other
   * purpose.
   */
  DECLARE_ALIGNED(32, unsigned char, y_buf[22 * 32]);
404 405
#endif

John Koleszar's avatar
John Koleszar committed
406
  int mb_index;   // Index of the MB in the SB (0..3)
Jingning Han's avatar
Jingning Han committed
407 408
  int q_index;

John Koleszar's avatar
John Koleszar committed
409 410
} MACROBLOCKD;

Deb Mukherjee's avatar
Deb Mukherjee committed
411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458
#define ACTIVE_HT 110                // quantization stepsize threshold

#define ACTIVE_HT8 300

#define ACTIVE_HT16 300

// convert MB_PREDICTION_MODE to B_PREDICTION_MODE
static B_PREDICTION_MODE pred_mode_conv(MB_PREDICTION_MODE mode) {
  B_PREDICTION_MODE b_mode;
  switch (mode) {
    case DC_PRED:
      b_mode = B_DC_PRED;
      break;
    case V_PRED:
      b_mode = B_VE_PRED;
      break;
    case H_PRED:
      b_mode = B_HE_PRED;
      break;
    case TM_PRED:
      b_mode = B_TM_PRED;
      break;
    case D45_PRED:
      b_mode = B_LD_PRED;
      break;
    case D135_PRED:
      b_mode = B_RD_PRED;
      break;
    case D117_PRED:
      b_mode = B_VR_PRED;
      break;
    case D153_PRED:
      b_mode = B_HD_PRED;
      break;
    case D27_PRED:
      b_mode = B_HU_PRED;
      break;
    case D63_PRED:
      b_mode = B_VL_PRED;
      break;
    default :
      // for debug purpose, to be removed after full testing
      assert(0);
      break;
  }
  return b_mode;
}

459
// transform mapping
Deb Mukherjee's avatar
Deb Mukherjee committed
460
static TX_TYPE txfm_map(B_PREDICTION_MODE bmode) {
461
  // map transform type
Deb Mukherjee's avatar
Deb Mukherjee committed
462
  TX_TYPE tx_type;
463 464 465
  switch (bmode) {
    case B_TM_PRED :
    case B_RD_PRED :
Deb Mukherjee's avatar
Deb Mukherjee committed
466
      tx_type = ADST_ADST;
467 468 469 470
      break;

    case B_VE_PRED :
    case B_VR_PRED :
Deb Mukherjee's avatar
Deb Mukherjee committed
471
      tx_type = ADST_DCT;
472 473 474 475 476
      break;

    case B_HE_PRED :
    case B_HD_PRED :
    case B_HU_PRED :
Deb Mukherjee's avatar
Deb Mukherjee committed
477
      tx_type = DCT_ADST;
478 479
      break;

480 481 482 483 484 485
#if CONFIG_NEWBINTRAMODES
    case B_CONTEXT_PRED:
      assert(0);
      break;
#endif

486
    default :
Deb Mukherjee's avatar
Deb Mukherjee committed
487
      tx_type = DCT_DCT;
488 489
      break;
  }
Deb Mukherjee's avatar
Deb Mukherjee committed
490 491 492
  return tx_type;
}

493 494 495 496 497
#define USE_ADST_FOR_I16X16_8X8   0
#define USE_ADST_FOR_I16X16_4X4   0
#define USE_ADST_FOR_I8X8_4X4     1
#define USE_ADST_PERIPHERY_ONLY   1

Deb Mukherjee's avatar
Deb Mukherjee committed
498
static TX_TYPE get_tx_type_4x4(const MACROBLOCKD *xd, const BLOCKD *b) {
499 500
  // TODO(debargha): explore different patterns for ADST usage when blocksize
  // is smaller than the prediction size
Deb Mukherjee's avatar
Deb Mukherjee committed
501
  TX_TYPE tx_type = DCT_DCT;
502 503 504 505 506 507 508 509
  int ib = (int)(b - xd->block);
  if (ib >= 16)
    return tx_type;
#if CONFIG_SUPERBLOCKS
  // TODO(rbultje, debargha): Explore ADST usage for superblocks
  if (xd->mode_info_context->mbmi.encoded_as_sb)
    return tx_type;
#endif
Deb Mukherjee's avatar
Deb Mukherjee committed
510 511
  if (xd->mode_info_context->mbmi.mode == B_PRED &&
      xd->q_index < ACTIVE_HT) {
512 513 514 515 516
    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);
517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550
  } else if (xd->mode_info_context->mbmi.mode == I8X8_PRED &&
             xd->q_index < ACTIVE_HT) {
#if USE_ADST_FOR_I8X8_4X4
#if USE_ADST_PERIPHERY_ONLY
    // Use ADST for periphery blocks only
    int ic = (ib & 10);
    b += ic - ib;
    tx_type = (ic != 10) ?
         txfm_map(pred_mode_conv((MB_PREDICTION_MODE)b->bmi.as_mode.first)) :
         DCT_DCT;
#else
    // Use ADST
    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
    // Use ADST for periphery blocks only
    tx_type = (ib < 4 || ((ib & 3) == 0)) ?
        txfm_map(pred_mode_conv(xd->mode_info_context->mbmi.mode)) : DCT_DCT;
#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
551 552 553 554 555
  }
  return tx_type;
}

static TX_TYPE get_tx_type_8x8(const MACROBLOCKD *xd, const BLOCKD *b) {
556 557
  // TODO(debargha): explore different patterns for ADST usage when blocksize
  // is smaller than the prediction size
Deb Mukherjee's avatar
Deb Mukherjee committed
558
  TX_TYPE tx_type = DCT_DCT;
559 560 561 562 563 564 565 566
  int ib = (int)(b - xd->block);
  if (ib >= 16)
    return tx_type;
#if CONFIG_SUPERBLOCKS
  // TODO(rbultje, debargha): Explore ADST usage for superblocks
  if (xd->mode_info_context->mbmi.encoded_as_sb)
    return tx_type;
#endif
Deb Mukherjee's avatar
Deb Mukherjee committed
567 568
  if (xd->mode_info_context->mbmi.mode == I8X8_PRED &&
      xd->q_index < ACTIVE_HT8) {
James Zern's avatar
James Zern committed
569 570 571
    // 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(
572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587
           (MB_PREDICTION_MODE)b->bmi.as_mode.first));
  } else if (xd->mode_info_context->mbmi.mode < I8X8_PRED &&
             xd->q_index < ACTIVE_HT8) {
#if USE_ADST_FOR_I8X8_4X4
#if USE_ADST_PERIPHERY_ONLY
    // Use ADST for periphery blocks only
    tx_type = (ib != 10) ?
        txfm_map(pred_mode_conv(xd->mode_info_context->mbmi.mode)) : DCT_DCT;
#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
588 589
  }
  return tx_type;
590
}
591

Deb Mukherjee's avatar
Deb Mukherjee committed
592 593
static TX_TYPE get_tx_type_16x16(const MACROBLOCKD *xd, const BLOCKD *b) {
  TX_TYPE tx_type = DCT_DCT;
594 595 596
  int ib = (int)(b - xd->block);
  if (ib >= 16)
    return tx_type;
597
#if CONFIG_SUPERBLOCKS
598 599 600
  // TODO(rbultje, debargha): Explore ADST usage for superblocks
  if (xd->mode_info_context->mbmi.encoded_as_sb)
    return tx_type;
601
#endif
602
  if (xd->mode_info_context->mbmi.mode < I8X8_PRED &&
Deb Mukherjee's avatar
Deb Mukherjee committed
603 604 605 606 607 608 609
      xd->q_index < ACTIVE_HT16) {
    tx_type = txfm_map(pred_mode_conv(xd->mode_info_context->mbmi.mode));
  }
  return tx_type;
}

static TX_TYPE get_tx_type(const MACROBLOCKD *xd, const BLOCKD *b) {
610
  TX_TYPE tx_type = DCT_DCT;
611
  int ib = (int)(b - xd->block);
Deb Mukherjee's avatar
Deb Mukherjee committed
612 613
  if (ib >= 16)
    return tx_type;
614
  if (xd->mode_info_context->mbmi.txfm_size == TX_16X16) {
Deb Mukherjee's avatar
Deb Mukherjee committed
615
    tx_type = get_tx_type_16x16(xd, b);
616 617 618
  }
  if (xd->mode_info_context->mbmi.txfm_size  == TX_8X8) {
    ib = (ib & 8) + ((ib & 4) >> 1);
Deb Mukherjee's avatar
Deb Mukherjee committed
619
    tx_type = get_tx_type_8x8(xd, &xd->block[ib]);
620 621
  }
  if (xd->mode_info_context->mbmi.txfm_size  == TX_4X4) {
Deb Mukherjee's avatar
Deb Mukherjee committed
622
    tx_type = get_tx_type_4x4(xd, b);
623 624 625
  }
  return tx_type;
}
John Koleszar's avatar
John Koleszar committed
626

627 628 629 630 631 632 633 634 635 636
static int get_2nd_order_usage(const MACROBLOCKD *xd) {
  int has_2nd_order = (xd->mode_info_context->mbmi.mode != SPLITMV &&
                       xd->mode_info_context->mbmi.mode != I8X8_PRED &&
                       xd->mode_info_context->mbmi.mode != B_PRED &&
                       xd->mode_info_context->mbmi.txfm_size != TX_16X16);
  if (has_2nd_order)
    has_2nd_order = (get_tx_type(xd, xd->block) == DCT_DCT);
  return has_2nd_order;
}

637 638
extern void vp9_build_block_doffsets(MACROBLOCKD *xd);
extern void vp9_setup_block_dptrs(MACROBLOCKD *xd);
John Koleszar's avatar
John Koleszar committed
639

John Koleszar's avatar
John Koleszar committed
640 641 642 643
static void update_blockd_bmi(MACROBLOCKD *xd) {
  int i;
  int is_4x4;
  is_4x4 = (xd->mode_info_context->mbmi.mode == SPLITMV) ||
644 645
           (xd->mode_info_context->mbmi.mode == I8X8_PRED) ||
           (xd->mode_info_context->mbmi.mode == B_PRED);
John Koleszar's avatar
John Koleszar committed
646 647 648 649

  if (is_4x4) {
    for (i = 0; i < 16; i++) {
      xd->block[i].bmi = xd->mode_info_context->bmi[i];
Yaowu Xu's avatar
Yaowu Xu committed
650
    }
John Koleszar's avatar
John Koleszar committed
651
  }
Yaowu Xu's avatar
Yaowu Xu committed
652
}
John Koleszar's avatar
John Koleszar committed
653
#endif  /* __INC_BLOCKD_H */