blockd.h 14.2 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
14
15
16
17
18
19
20
21
22
 */


#ifndef __INC_BLOCKD_H
#define __INC_BLOCKD_H

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

#include "vpx_ports/config.h"
#include "vpx_scale/yv12config.h"
#include "mv.h"
#include "treecoder.h"
#include "subpixel.h"
#include "vpx_ports/mem.h"
23
#include "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
47
#if CONFIG_NEWBESTREFMV || CONFIG_NEW_MVREF
Paul Wilkins's avatar
Paul Wilkins committed
48
#define MAX_MV_REFS 19
Paul Wilkins's avatar
Paul Wilkins committed
49
#endif
John Koleszar's avatar
John Koleszar committed
50

John Koleszar's avatar
John Koleszar committed
51
52
typedef struct {
  int r, c;
John Koleszar's avatar
John Koleszar committed
53
54
} POS;

55
56
57
58
59
60
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
61

62
typedef char ENTROPY_CONTEXT;
John Koleszar's avatar
John Koleszar committed
63
64
65
66
67
typedef struct {
  ENTROPY_CONTEXT y1[4];
  ENTROPY_CONTEXT u[2];
  ENTROPY_CONTEXT v[2];
  ENTROPY_CONTEXT y2;
68
} ENTROPY_CONTEXT_PLANES;
John Koleszar's avatar
John Koleszar committed
69

70
71
extern const unsigned char vp8_block2left[25];
extern const unsigned char vp8_block2above[25];
72
73
74
extern const unsigned char vp8_block2left_8x8[25];
extern const unsigned char vp8_block2above_8x8[25];

John Koleszar's avatar
John Koleszar committed
75
#define VP8_COMBINEENTROPYCONTEXTS( Dest, A, B) \
John Koleszar's avatar
John Koleszar committed
76
  Dest = ((A)!=0) + ((B)!=0);
John Koleszar's avatar
John Koleszar committed
77

John Koleszar's avatar
John Koleszar committed
78
79
80
typedef enum {
  KEY_FRAME = 0,
  INTER_FRAME = 1
John Koleszar's avatar
John Koleszar committed
81
82
} FRAME_TYPE;

83
84
85
86
87
88
89
90
91
92
93
94
95
typedef enum
{
  SIXTAP   = 0,
  BILINEAR = 1,
  EIGHTTAP = 2,
  EIGHTTAP_SHARP = 3,
#if CONFIG_SWITCHABLE_INTERP
  SWITCHABLE  /* should be the last one */
#endif
} INTERPOLATIONFILTERTYPE;

typedef enum
{
John Koleszar's avatar
John Koleszar committed
96
97
98
99
100
101
102
103
104
105
106
107
  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
108

John Koleszar's avatar
John Koleszar committed
109
110
111
112
113
  NEARESTMV,
  NEARMV,
  ZEROMV,
  NEWMV,
  SPLITMV,
John Koleszar's avatar
John Koleszar committed
114

John Koleszar's avatar
John Koleszar committed
115
  MB_MODE_COUNT
John Koleszar's avatar
John Koleszar committed
116
117
} MB_PREDICTION_MODE;

Paul Wilkins's avatar
Paul Wilkins committed
118
// Segment level features.
John Koleszar's avatar
John Koleszar committed
119
120
121
122
123
124
125
126
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
127

Paul Wilkins's avatar
Paul Wilkins committed
128
} SEG_LVL_FEATURES;
John Koleszar's avatar
John Koleszar committed
129

Paul Wilkins's avatar
Paul Wilkins committed
130
// Segment level features.
John Koleszar's avatar
John Koleszar committed
131
typedef enum {
Daniel Kang's avatar
Daniel Kang committed
132
133
134
135
  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
136
137
} TX_SIZE;

Jingning Han's avatar
Jingning Han committed
138
139
140
141
142
143
144
typedef enum {
  DCT_DCT   = 0,                      // DCT  in both horizontal and vertical
  ADST_DCT  = 1,                      // ADST in horizontal, DCT in vertical
  DCT_ADST  = 2,                      // DCT  in horizontal, ADST in vertical
  ADST_ADST = 3                       // ADST in both directions
} TX_TYPE;

John Koleszar's avatar
John Koleszar committed
145
146
#define VP8_YMODES  (B_PRED + 1)
#define VP8_UV_MODES (TM_PRED + 1)
Yaowu Xu's avatar
Yaowu Xu committed
147
#define VP8_I8X8_MODES (TM_PRED + 1)
Ronald S. Bultje's avatar
Ronald S. Bultje committed
148
#define VP8_I32X32_MODES (TM_PRED + 1)
John Koleszar's avatar
John Koleszar committed
149
150
151

#define VP8_MVREFS (1 + SPLITMV - NEARESTMV)

John Koleszar's avatar
John Koleszar committed
152
153
154
typedef enum {
  B_DC_PRED,          /* average of above and left pixels */
  B_TM_PRED,
John Koleszar's avatar
John Koleszar committed
155

John Koleszar's avatar
John Koleszar committed
156
157
  B_VE_PRED,           /* vertical prediction */
  B_HE_PRED,           /* horizontal prediction */
John Koleszar's avatar
John Koleszar committed
158

John Koleszar's avatar
John Koleszar committed
159
160
  B_LD_PRED,
  B_RD_PRED,
John Koleszar's avatar
John Koleszar committed
161

John Koleszar's avatar
John Koleszar committed
162
163
164
165
  B_VR_PRED,
  B_VL_PRED,
  B_HD_PRED,
  B_HU_PRED,
John Koleszar's avatar
John Koleszar committed
166

John Koleszar's avatar
John Koleszar committed
167
168
169
170
  LEFT4X4,
  ABOVE4X4,
  ZERO4X4,
  NEW4X4,
John Koleszar's avatar
John Koleszar committed
171

John Koleszar's avatar
John Koleszar committed
172
  B_MODE_COUNT
John Koleszar's avatar
John Koleszar committed
173
174
175
176
177
} B_PREDICTION_MODE;

#define VP8_BINTRAMODES (B_HU_PRED + 1)  /* 10 */
#define VP8_SUBMVREFS (1 + NEW4X4 - LEFT4X4)

178
179
180
181
182
183
184
185
typedef enum {
  PARTITIONING_16X8 = 0,
  PARTITIONING_8X16,
  PARTITIONING_8X8,
  PARTITIONING_4X4,
  NB_PARTITIONINGS,
} SPLITMV_PARTITIONING_TYPE;

John Koleszar's avatar
John Koleszar committed
186
187
188
189
/* 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
190
191
192
union b_mode_info {
  struct {
    B_PREDICTION_MODE first;
Jingning Han's avatar
Jingning Han committed
193
194
    TX_TYPE           tx_type;

195
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
196
    B_PREDICTION_MODE second;
197
#endif
John Koleszar's avatar
John Koleszar committed
198
199
200
201
202
  } as_mode;
  struct {
    int_mv first;
    int_mv second;
  } as_mv;
203
};
John Koleszar's avatar
John Koleszar committed
204

John Koleszar's avatar
John Koleszar committed
205
206
207
208
209
210
typedef enum {
  INTRA_FRAME = 0,
  LAST_FRAME = 1,
  GOLDEN_FRAME = 2,
  ALTREF_FRAME = 3,
  MAX_REF_FRAMES = 4
John Koleszar's avatar
John Koleszar committed
211
212
} MV_REFERENCE_FRAME;

John Koleszar's avatar
John Koleszar committed
213
214
typedef struct {
  MB_PREDICTION_MODE mode, uv_mode;
215
#if CONFIG_COMP_INTRA_PRED
John Koleszar's avatar
John Koleszar committed
216
  MB_PREDICTION_MODE second_mode, second_uv_mode;
217
#endif
John Koleszar's avatar
John Koleszar committed
218
219
  MV_REFERENCE_FRAME ref_frame, second_ref_frame;
  TX_SIZE txfm_size;
220
  int_mv mv[2]; // for each reference frame used
221
#if CONFIG_NEWBESTREFMV
222
  int_mv ref_mv, second_ref_mv;
Paul Wilkins's avatar
Paul Wilkins committed
223
224
225
226
  int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REFS];
  int mv_ref_index[MAX_REF_FRAMES];
#endif

227
  SPLITMV_PARTITIONING_TYPE partitioning;
John Koleszar's avatar
John Koleszar committed
228
229
230
231
232
233
234
235
236
237
238
239
240
  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;
241

242
#if CONFIG_PRED_FILTER
John Koleszar's avatar
John Koleszar committed
243
244
  // Flag to turn prediction signal filter on(1)/off(0 ) at the MB level
  unsigned int pred_filter_enabled;
245
#endif
246
247
248
#if CONFIG_SWITCHABLE_INTERP
    INTERPOLATIONFILTERTYPE interp_filter;
#endif
249

Ronald S. Bultje's avatar
Ronald S. Bultje committed
250
251
252
253
254
#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
255
256
} MB_MODE_INFO;

John Koleszar's avatar
John Koleszar committed
257
258
259
typedef struct {
  MB_MODE_INFO mbmi;
  union b_mode_info bmi[16];
John Koleszar's avatar
John Koleszar committed
260
261
} MODE_INFO;

John Koleszar's avatar
John Koleszar committed
262
263
264
265
266
267
typedef struct {
  short *qcoeff;
  short *dqcoeff;
  unsigned char  *predictor;
  short *diff;
  short *dequant;
John Koleszar's avatar
John Koleszar committed
268

John Koleszar's avatar
John Koleszar committed
269
270
271
272
273
  /* 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
274

John Koleszar's avatar
John Koleszar committed
275
276
277
  unsigned char **base_dst;
  int dst;
  int dst_stride;
John Koleszar's avatar
John Koleszar committed
278

John Koleszar's avatar
John Koleszar committed
279
  int eob;
John Koleszar's avatar
John Koleszar committed
280

John Koleszar's avatar
John Koleszar committed
281
  union b_mode_info bmi;
John Koleszar's avatar
John Koleszar committed
282
283
} BLOCKD;

John Koleszar's avatar
John Koleszar committed
284
285
286
287
288
289
typedef struct MacroBlockD {
  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]);
  DECLARE_ALIGNED(16, char,  eobs[25]);
John Koleszar's avatar
John Koleszar committed
290

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

John Koleszar's avatar
John Koleszar committed
295
296
297
298
299
  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
300

John Koleszar's avatar
John Koleszar committed
301
302
303
  MODE_INFO *prev_mode_info_context;
  MODE_INFO *mode_info_context;
  int mode_info_stride;
John Koleszar's avatar
John Koleszar committed
304

John Koleszar's avatar
John Koleszar committed
305
  FRAME_TYPE frame_type;
John Koleszar's avatar
John Koleszar committed
306

John Koleszar's avatar
John Koleszar committed
307
308
  int up_available;
  int left_available;
John Koleszar's avatar
John Koleszar committed
309

John Koleszar's avatar
John Koleszar committed
310
311
312
  /* Y,U,V,Y2 */
  ENTROPY_CONTEXT_PLANES *above_context;
  ENTROPY_CONTEXT_PLANES *left_context;
John Koleszar's avatar
John Koleszar committed
313

John Koleszar's avatar
John Koleszar committed
314
315
  /* 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
316

John Koleszar's avatar
John Koleszar committed
317
318
  /* 0 (do not update) 1 (update) the macroblock segmentation map. */
  unsigned char update_mb_segmentation_map;
John Koleszar's avatar
John Koleszar committed
319

John Koleszar's avatar
John Koleszar committed
320
321
  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
  unsigned char update_mb_segmentation_data;
John Koleszar's avatar
John Koleszar committed
322

John Koleszar's avatar
John Koleszar committed
323
324
  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
  unsigned char mb_segment_abs_delta;
John Koleszar's avatar
John Koleszar committed
325

John Koleszar's avatar
John Koleszar committed
326
327
  /* 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 */
328

John Koleszar's avatar
John Koleszar committed
329
330
  // Probability Tree used to code Segment number
  vp8_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS];
331

Paul Wilkins's avatar
Paul Wilkins committed
332

John Koleszar's avatar
John Koleszar committed
333
334
335
  // 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
336

Jim Bankoski's avatar
Jim Bankoski committed
337
#if CONFIG_FEATUREUPDATES
John Koleszar's avatar
John Koleszar committed
338
339
340
  // keep around the last set so we can figure out what updates...
  unsigned int old_segment_feature_mask[MAX_MB_SEGMENTS];
  signed char old_segment_feature_data[MAX_MB_SEGMENTS][SEG_LVL_MAX];
Jim Bankoski's avatar
Jim Bankoski committed
341
342
#endif

John Koleszar's avatar
John Koleszar committed
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
  /* 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;
  vp8_subpix_fn_t  subpixel_predict;
  vp8_subpix_fn_t  subpixel_predict8x4;
  vp8_subpix_fn_t  subpixel_predict8x8;
  vp8_subpix_fn_t  subpixel_predict16x16;
  vp8_subpix_fn_t  subpixel_predict_avg;
  vp8_subpix_fn_t  subpixel_predict_avg8x4;
  vp8_subpix_fn_t  subpixel_predict_avg8x8;
  vp8_subpix_fn_t  subpixel_predict_avg16x16;
  int allow_high_precision_mv;
John Koleszar's avatar
John Koleszar committed
370

John Koleszar's avatar
John Koleszar committed
371
  int corrupted;
372

373
#if !CONFIG_SUPERBLOCKS && (ARCH_X86 || ARCH_X86_64)
John Koleszar's avatar
John Koleszar committed
374
375
376
377
378
  /* 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]);
379
380
#endif

John Koleszar's avatar
John Koleszar committed
381
#if CONFIG_RUNTIME_CPU_DETECT
John Koleszar's avatar
John Koleszar committed
382
  struct VP8_COMMON_RTCD  *rtcd;
John Koleszar's avatar
John Koleszar committed
383
#endif
Adrian Grange's avatar
Adrian Grange committed
384

John Koleszar's avatar
John Koleszar committed
385
  int mb_index;   // Index of the MB in the SB (0..3)
Paul Wilkins's avatar
Paul Wilkins committed
386

387
#if CONFIG_NEWBESTREFMV
Paul Wilkins's avatar
Paul Wilkins committed
388
389
  int_mv ref_mv[MAX_MV_REFS];
#endif
Adrian Grange's avatar
Adrian Grange committed
390

Jingning Han's avatar
Jingning Han committed
391
392
  int q_index;

John Koleszar's avatar
John Koleszar committed
393
394
} MACROBLOCKD;

Deb Mukherjee's avatar
Deb Mukherjee committed
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
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
#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;
}

443
// transform mapping
Deb Mukherjee's avatar
Deb Mukherjee committed
444
static TX_TYPE txfm_map(B_PREDICTION_MODE bmode) {
445
  // map transform type
Deb Mukherjee's avatar
Deb Mukherjee committed
446
  TX_TYPE tx_type;
447
448
449
  switch (bmode) {
    case B_TM_PRED :
    case B_RD_PRED :
Deb Mukherjee's avatar
Deb Mukherjee committed
450
      tx_type = ADST_ADST;
451
452
453
454
      break;

    case B_VE_PRED :
    case B_VR_PRED :
Deb Mukherjee's avatar
Deb Mukherjee committed
455
      tx_type = ADST_DCT;
456
457
458
459
460
      break;

    case B_HE_PRED :
    case B_HD_PRED :
    case B_HU_PRED :
Deb Mukherjee's avatar
Deb Mukherjee committed
461
      tx_type = DCT_ADST;
462
463
464
      break;

    default :
Deb Mukherjee's avatar
Deb Mukherjee committed
465
      tx_type = DCT_DCT;
466
467
      break;
  }
Deb Mukherjee's avatar
Deb Mukherjee committed
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
  return tx_type;
}

static TX_TYPE get_tx_type_4x4(const MACROBLOCKD *xd, const BLOCKD *b) {
  TX_TYPE tx_type = DCT_DCT;
  if (xd->mode_info_context->mbmi.mode == B_PRED &&
      xd->q_index < ACTIVE_HT) {
    tx_type = txfm_map(b->bmi.as_mode.first);
  }
  return tx_type;
}

static TX_TYPE get_tx_type_8x8(const MACROBLOCKD *xd, const BLOCKD *b) {
  TX_TYPE tx_type = DCT_DCT;
  if (xd->mode_info_context->mbmi.mode == I8X8_PRED &&
      xd->q_index < ACTIVE_HT8) {
    tx_type = txfm_map(pred_mode_conv(b->bmi.as_mode.first));
  }
  return tx_type;
487
}
488

Deb Mukherjee's avatar
Deb Mukherjee committed
489
490
491
492
493
494
495
496
497
498
static TX_TYPE get_tx_type_16x16(const MACROBLOCKD *xd, const BLOCKD *b) {
  TX_TYPE tx_type = DCT_DCT;
  if (xd->mode_info_context->mbmi.mode < I8X8_PRED &&
      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) {
499
500
  TX_TYPE tx_type = DCT_DCT;
  int ib = (b - xd->block);
Deb Mukherjee's avatar
Deb Mukherjee committed
501
502
  if (ib >= 16)
    return tx_type;
503
  if (xd->mode_info_context->mbmi.txfm_size == TX_16X16) {
Deb Mukherjee's avatar
Deb Mukherjee committed
504
    tx_type = get_tx_type_16x16(xd, b);
505
506
507
  }
  if (xd->mode_info_context->mbmi.txfm_size  == TX_8X8) {
    ib = (ib & 8) + ((ib & 4) >> 1);
Deb Mukherjee's avatar
Deb Mukherjee committed
508
    tx_type = get_tx_type_8x8(xd, &xd->block[ib]);
509
510
  }
  if (xd->mode_info_context->mbmi.txfm_size  == TX_4X4) {
Deb Mukherjee's avatar
Deb Mukherjee committed
511
    tx_type = get_tx_type_4x4(xd, b);
512
513
514
  }
  return tx_type;
}
John Koleszar's avatar
John Koleszar committed
515

Paul Wilkins's avatar
Paul Wilkins committed
516
517
extern void vp8_build_block_doffsets(MACROBLOCKD *xd);
extern void vp8_setup_block_dptrs(MACROBLOCKD *xd);
John Koleszar's avatar
John Koleszar committed
518

John Koleszar's avatar
John Koleszar committed
519
520
521
522
static void update_blockd_bmi(MACROBLOCKD *xd) {
  int i;
  int is_4x4;
  is_4x4 = (xd->mode_info_context->mbmi.mode == SPLITMV) ||
523
524
           (xd->mode_info_context->mbmi.mode == I8X8_PRED) ||
           (xd->mode_info_context->mbmi.mode == B_PRED);
John Koleszar's avatar
John Koleszar committed
525
526
527
528

  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
529
    }
John Koleszar's avatar
John Koleszar committed
530
  }
Yaowu Xu's avatar
Yaowu Xu committed
531
}
John Koleszar's avatar
John Koleszar committed
532
#endif  /* __INC_BLOCKD_H */