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
Paul Wilkins's avatar
Paul Wilkins committed
48
#define MAX_MV_REF_CANDIDATES 4
John Koleszar's avatar
John Koleszar committed
49

John Koleszar's avatar
John Koleszar committed
50
51
typedef struct {
  int r, c;
John Koleszar's avatar
John Koleszar committed
52
53
} POS;

54
55
56
57
58
59
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
60

61
typedef char ENTROPY_CONTEXT;
John Koleszar's avatar
John Koleszar committed
62
63
64
65
66
typedef struct {
  ENTROPY_CONTEXT y1[4];
  ENTROPY_CONTEXT u[2];
  ENTROPY_CONTEXT v[2];
  ENTROPY_CONTEXT y2;
67
} ENTROPY_CONTEXT_PLANES;
John Koleszar's avatar
John Koleszar committed
68

69
70
71
72
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];
73

74
#define VP9_COMBINEENTROPYCONTEXTS( Dest, A, B) \
John Koleszar's avatar
John Koleszar committed
75
  Dest = ((A)!=0) + ((B)!=0);
John Koleszar's avatar
John Koleszar committed
76

John Koleszar's avatar
John Koleszar committed
77
78
79
typedef enum {
  KEY_FRAME = 0,
  INTER_FRAME = 1
John Koleszar's avatar
John Koleszar committed
80
81
} FRAME_TYPE;

82
83
84
85
86
87
88
89
90
91
92
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
93
94
95
96
97
98
99
100
101
102
103
104
  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
105

John Koleszar's avatar
John Koleszar committed
106
107
108
109
110
  NEARESTMV,
  NEARMV,
  ZEROMV,
  NEWMV,
  SPLITMV,
John Koleszar's avatar
John Koleszar committed
111

John Koleszar's avatar
John Koleszar committed
112
  MB_MODE_COUNT
John Koleszar's avatar
John Koleszar committed
113
114
} MB_PREDICTION_MODE;

Paul Wilkins's avatar
Paul Wilkins committed
115
// Segment level features.
John Koleszar's avatar
John Koleszar committed
116
117
118
119
120
121
122
123
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
124

Paul Wilkins's avatar
Paul Wilkins committed
125
} SEG_LVL_FEATURES;
John Koleszar's avatar
John Koleszar committed
126

Paul Wilkins's avatar
Paul Wilkins committed
127
// Segment level features.
John Koleszar's avatar
John Koleszar committed
128
typedef enum {
Daniel Kang's avatar
Daniel Kang committed
129
130
131
132
  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
133
134
} TX_SIZE;

Jingning Han's avatar
Jingning Han committed
135
136
typedef enum {
  DCT_DCT   = 0,                      // DCT  in both horizontal and vertical
137
138
  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
139
140
141
  ADST_ADST = 3                       // ADST in both directions
} TX_TYPE;

142
143
144
145
#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
146

147
#define VP9_MVREFS (1 + SPLITMV - NEARESTMV)
John Koleszar's avatar
John Koleszar committed
148

149
150
151
152
153
#if CONFIG_LOSSLESS
#define WHT_UPSCALE_FACTOR 3
#define Y2_WHT_UPSCALE_FACTOR 2
#endif

John Koleszar's avatar
John Koleszar committed
154
155
156
typedef enum {
  B_DC_PRED,          /* average of above and left pixels */
  B_TM_PRED,
John Koleszar's avatar
John Koleszar committed
157

158
159
  B_VE_PRED,          /* vertical prediction */
  B_HE_PRED,          /* horizontal prediction */
John Koleszar's avatar
John Koleszar committed
160

John Koleszar's avatar
John Koleszar committed
161
162
  B_LD_PRED,
  B_RD_PRED,
John Koleszar's avatar
John Koleszar committed
163

John Koleszar's avatar
John Koleszar committed
164
165
166
167
  B_VR_PRED,
  B_VL_PRED,
  B_HD_PRED,
  B_HU_PRED,
168
169
170
#if CONFIG_NEWBINTRAMODES
  B_CONTEXT_PRED,
#endif
John Koleszar's avatar
John Koleszar committed
171

John Koleszar's avatar
John Koleszar committed
172
173
174
175
  LEFT4X4,
  ABOVE4X4,
  ZERO4X4,
  NEW4X4,
John Koleszar's avatar
John Koleszar committed
176

John Koleszar's avatar
John Koleszar committed
177
  B_MODE_COUNT
John Koleszar's avatar
John Koleszar committed
178
179
} B_PREDICTION_MODE;

180
#define VP9_BINTRAMODES (LEFT4X4)
181
#define VP9_SUBMVREFS (1 + NEW4X4 - LEFT4X4)
John Koleszar's avatar
John Koleszar committed
182

183
184
185
186
187
188
189
190
191
192
#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

193
194
195
196
197
198
199
200
typedef enum {
  PARTITIONING_16X8 = 0,
  PARTITIONING_8X16,
  PARTITIONING_8X8,
  PARTITIONING_4X4,
  NB_PARTITIONINGS,
} SPLITMV_PARTITIONING_TYPE;

John Koleszar's avatar
John Koleszar committed
201
202
203
204
/* 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
205
206
207
union b_mode_info {
  struct {
    B_PREDICTION_MODE first;
Jingning Han's avatar
Jingning Han committed
208
    TX_TYPE           tx_type;
209
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
210
    B_PREDICTION_MODE second;
211
212
213
#endif
#if CONFIG_NEWBINTRAMODES
    B_PREDICTION_MODE context;
214
#endif
John Koleszar's avatar
John Koleszar committed
215
216
217
218
219
  } as_mode;
  struct {
    int_mv first;
    int_mv second;
  } as_mv;
220
};
John Koleszar's avatar
John Koleszar committed
221

John Koleszar's avatar
John Koleszar committed
222
typedef enum {
223
  NONE = -1,
John Koleszar's avatar
John Koleszar committed
224
225
226
227
228
  INTRA_FRAME = 0,
  LAST_FRAME = 1,
  GOLDEN_FRAME = 2,
  ALTREF_FRAME = 3,
  MAX_REF_FRAMES = 4
John Koleszar's avatar
John Koleszar committed
229
230
} MV_REFERENCE_FRAME;

John Koleszar's avatar
John Koleszar committed
231
232
typedef struct {
  MB_PREDICTION_MODE mode, uv_mode;
233
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
234
  MB_PREDICTION_MODE second_mode, second_uv_mode;
235
236
237
#endif
#if CONFIG_COMP_INTERINTRA_PRED
  MB_PREDICTION_MODE interintra_mode, interintra_uv_mode;
238
#endif
John Koleszar's avatar
John Koleszar committed
239
240
  MV_REFERENCE_FRAME ref_frame, second_ref_frame;
  TX_SIZE txfm_size;
241
  int_mv mv[2]; // for each reference frame used
Paul Wilkins's avatar
Paul Wilkins committed
242
  int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
Deb Mukherjee's avatar
Deb Mukherjee committed
243
244
245
246
  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
247

Paul Wilkins's avatar
Paul Wilkins committed
248
249
  int mb_mode_context[MAX_REF_FRAMES];

250
  SPLITMV_PARTITIONING_TYPE partitioning;
John Koleszar's avatar
John Koleszar committed
251
252
253
254
255
256
257
258
259
260
261
262
263
  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;
264

265
#if CONFIG_PRED_FILTER
John Koleszar's avatar
John Koleszar committed
266
267
  // Flag to turn prediction signal filter on(1)/off(0 ) at the MB level
  unsigned int pred_filter_enabled;
268
#endif
269
    INTERPOLATIONFILTERTYPE interp_filter;
270

Ronald S. Bultje's avatar
Ronald S. Bultje committed
271
272
273
274
275
#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
276
277
} MB_MODE_INFO;

John Koleszar's avatar
John Koleszar committed
278
279
280
typedef struct {
  MB_MODE_INFO mbmi;
  union b_mode_info bmi[16];
John Koleszar's avatar
John Koleszar committed
281
282
} MODE_INFO;

Jim Bankoski's avatar
Jim Bankoski committed
283
typedef struct blockd {
John Koleszar's avatar
John Koleszar committed
284
285
286
287
288
  short *qcoeff;
  short *dqcoeff;
  unsigned char  *predictor;
  short *diff;
  short *dequant;
John Koleszar's avatar
John Koleszar committed
289

John Koleszar's avatar
John Koleszar committed
290
291
292
293
294
  /* 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
295

John Koleszar's avatar
John Koleszar committed
296
297
298
  unsigned char **base_dst;
  int dst;
  int dst_stride;
John Koleszar's avatar
John Koleszar committed
299

John Koleszar's avatar
John Koleszar committed
300
  int eob;
John Koleszar's avatar
John Koleszar committed
301

John Koleszar's avatar
John Koleszar committed
302
  union b_mode_info bmi;
John Koleszar's avatar
John Koleszar committed
303
304
} BLOCKD;

Jim Bankoski's avatar
Jim Bankoski committed
305
typedef struct macroblockd {
John Koleszar's avatar
John Koleszar committed
306
307
308
309
  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
310
  DECLARE_ALIGNED(16, unsigned short,  eobs[25]);
John Koleszar's avatar
John Koleszar committed
311

John Koleszar's avatar
John Koleszar committed
312
313
314
  /* 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
315

John Koleszar's avatar
John Koleszar committed
316
317
318
319
320
  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
321

John Koleszar's avatar
John Koleszar committed
322
323
324
  MODE_INFO *prev_mode_info_context;
  MODE_INFO *mode_info_context;
  int mode_info_stride;
John Koleszar's avatar
John Koleszar committed
325

John Koleszar's avatar
John Koleszar committed
326
  FRAME_TYPE frame_type;
John Koleszar's avatar
John Koleszar committed
327

John Koleszar's avatar
John Koleszar committed
328
329
  int up_available;
  int left_available;
John Koleszar's avatar
John Koleszar committed
330

John Koleszar's avatar
John Koleszar committed
331
332
333
  /* Y,U,V,Y2 */
  ENTROPY_CONTEXT_PLANES *above_context;
  ENTROPY_CONTEXT_PLANES *left_context;
John Koleszar's avatar
John Koleszar committed
334

John Koleszar's avatar
John Koleszar committed
335
336
  /* 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
337

John Koleszar's avatar
John Koleszar committed
338
339
  /* 0 (do not update) 1 (update) the macroblock segmentation map. */
  unsigned char update_mb_segmentation_map;
John Koleszar's avatar
John Koleszar committed
340

John Koleszar's avatar
John Koleszar committed
341
342
  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
  unsigned char update_mb_segmentation_data;
John Koleszar's avatar
John Koleszar committed
343

John Koleszar's avatar
John Koleszar committed
344
345
  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
  unsigned char mb_segment_abs_delta;
John Koleszar's avatar
John Koleszar committed
346

John Koleszar's avatar
John Koleszar committed
347
348
  /* 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 */
349

John Koleszar's avatar
John Koleszar committed
350
  // Probability Tree used to code Segment number
351
  vp9_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS];
352

353
#if CONFIG_NEW_MVREF
354
  vp9_prob mb_mv_ref_id_probs[MAX_REF_FRAMES][3];
355
#endif
Paul Wilkins's avatar
Paul Wilkins committed
356

John Koleszar's avatar
John Koleszar committed
357
358
359
  // 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
360

John Koleszar's avatar
John Koleszar committed
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
  /* 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;
379
380
381
382
383
384
385
386

  /* 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);


387
388
389
390
391
392
393
394
  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
395
  int allow_high_precision_mv;
John Koleszar's avatar
John Koleszar committed
396

John Koleszar's avatar
John Koleszar committed
397
  int corrupted;
398

399
#if !CONFIG_SUPERBLOCKS && (ARCH_X86 || ARCH_X86_64)
John Koleszar's avatar
John Koleszar committed
400
401
402
403
404
  /* 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]);
405
406
#endif

John Koleszar's avatar
John Koleszar committed
407
  int mb_index;   // Index of the MB in the SB (0..3)
Jingning Han's avatar
Jingning Han committed
408
409
  int q_index;

John Koleszar's avatar
John Koleszar committed
410
411
} MACROBLOCKD;

Deb Mukherjee's avatar
Deb Mukherjee committed
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
459
#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;
}

460
// transform mapping
Deb Mukherjee's avatar
Deb Mukherjee committed
461
static TX_TYPE txfm_map(B_PREDICTION_MODE bmode) {
462
  // map transform type
Deb Mukherjee's avatar
Deb Mukherjee committed
463
  TX_TYPE tx_type;
464
465
466
  switch (bmode) {
    case B_TM_PRED :
    case B_RD_PRED :
Deb Mukherjee's avatar
Deb Mukherjee committed
467
      tx_type = ADST_ADST;
468
469
470
471
      break;

    case B_VE_PRED :
    case B_VR_PRED :
Deb Mukherjee's avatar
Deb Mukherjee committed
472
      tx_type = ADST_DCT;
473
474
475
476
477
      break;

    case B_HE_PRED :
    case B_HD_PRED :
    case B_HU_PRED :
Deb Mukherjee's avatar
Deb Mukherjee committed
478
      tx_type = DCT_ADST;
479
480
      break;

481
482
483
484
485
486
#if CONFIG_NEWBINTRAMODES
    case B_CONTEXT_PRED:
      assert(0);
      break;
#endif

487
    default :
Deb Mukherjee's avatar
Deb Mukherjee committed
488
      tx_type = DCT_DCT;
489
490
      break;
  }
Deb Mukherjee's avatar
Deb Mukherjee committed
491
492
493
  return tx_type;
}

494
495
496
497
498
#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
499
static TX_TYPE get_tx_type_4x4(const MACROBLOCKD *xd, const BLOCKD *b) {
500
501
  // TODO(debargha): explore different patterns for ADST usage when blocksize
  // is smaller than the prediction size
Deb Mukherjee's avatar
Deb Mukherjee committed
502
  TX_TYPE tx_type = DCT_DCT;
503
504
505
506
507
508
509
510
  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
511
512
  if (xd->mode_info_context->mbmi.mode == B_PRED &&
      xd->q_index < ACTIVE_HT) {
513
514
515
516
517
    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);
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
551
  } 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
552
553
554
555
556
  }
  return tx_type;
}

static TX_TYPE get_tx_type_8x8(const MACROBLOCKD *xd, const BLOCKD *b) {
557
558
  // TODO(debargha): explore different patterns for ADST usage when blocksize
  // is smaller than the prediction size
Deb Mukherjee's avatar
Deb Mukherjee committed
559
  TX_TYPE tx_type = DCT_DCT;
560
561
562
563
564
565
566
567
  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
568
569
  if (xd->mode_info_context->mbmi.mode == I8X8_PRED &&
      xd->q_index < ACTIVE_HT8) {
James Zern's avatar
James Zern committed
570
571
572
    // 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(
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
           (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
589
590
  }
  return tx_type;
591
}
592

Deb Mukherjee's avatar
Deb Mukherjee committed
593
594
static TX_TYPE get_tx_type_16x16(const MACROBLOCKD *xd, const BLOCKD *b) {
  TX_TYPE tx_type = DCT_DCT;
595
596
597
  int ib = (int)(b - xd->block);
  if (ib >= 16)
    return tx_type;
598
#if CONFIG_SUPERBLOCKS
599
600
601
  // TODO(rbultje, debargha): Explore ADST usage for superblocks
  if (xd->mode_info_context->mbmi.encoded_as_sb)
    return tx_type;
602
#endif
603
  if (xd->mode_info_context->mbmi.mode < I8X8_PRED &&
Deb Mukherjee's avatar
Deb Mukherjee committed
604
605
606
607
608
609
610
      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) {
611
  TX_TYPE tx_type = DCT_DCT;
612
  int ib = (int)(b - xd->block);
Deb Mukherjee's avatar
Deb Mukherjee committed
613
614
  if (ib >= 16)
    return tx_type;
615
  if (xd->mode_info_context->mbmi.txfm_size == TX_16X16) {
Deb Mukherjee's avatar
Deb Mukherjee committed
616
    tx_type = get_tx_type_16x16(xd, b);
617
618
619
  }
  if (xd->mode_info_context->mbmi.txfm_size  == TX_8X8) {
    ib = (ib & 8) + ((ib & 4) >> 1);
Deb Mukherjee's avatar
Deb Mukherjee committed
620
    tx_type = get_tx_type_8x8(xd, &xd->block[ib]);
621
622
  }
  if (xd->mode_info_context->mbmi.txfm_size  == TX_4X4) {
Deb Mukherjee's avatar
Deb Mukherjee committed
623
    tx_type = get_tx_type_4x4(xd, b);
624
625
626
  }
  return tx_type;
}
John Koleszar's avatar
John Koleszar committed
627

628
629
630
631
632
633
634
635
636
637
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;
}

638
639
extern void vp9_build_block_doffsets(MACROBLOCKD *xd);
extern void vp9_setup_block_dptrs(MACROBLOCKD *xd);
John Koleszar's avatar
John Koleszar committed
640

John Koleszar's avatar
John Koleszar committed
641
642
643
644
static void update_blockd_bmi(MACROBLOCKD *xd) {
  int i;
  int is_4x4;
  is_4x4 = (xd->mode_info_context->mbmi.mode == SPLITMV) ||
645
646
           (xd->mode_info_context->mbmi.mode == I8X8_PRED) ||
           (xd->mode_info_context->mbmi.mode == B_PRED);
John Koleszar's avatar
John Koleszar committed
647
648
649
650

  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
651
    }
John Koleszar's avatar
John Koleszar committed
652
  }
Yaowu Xu's avatar
Yaowu Xu committed
653
}
John Koleszar's avatar
John Koleszar committed
654
#endif  /* __INC_BLOCKD_H */