vp9_encodeframe.c 84.6 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
 */


#include "vpx_ports/config.h"
13
#include "vp9/encoder/vp9_encodeframe.h"
14
15
#include "vp9/encoder/vp9_encodemb.h"
#include "vp9/encoder/vp9_encodemv.h"
16
#include "vp9/common/vp9_common.h"
17
#include "vp9/encoder/vp9_onyx_int.h"
18
#include "vp9/common/vp9_extend.h"
Yaowu Xu's avatar
Yaowu Xu committed
19
#include "vp9/common/vp9_entropy.h"
20
21
#include "vp9/common/vp9_entropymode.h"
#include "vp9/common/vp9_quant_common.h"
22
#include "vp9/encoder/vp9_segmentation.h"
23
24
#include "vp9/common/vp9_setupintrarecon.h"
#include "vp9/common/vp9_reconintra4x4.h"
25
#include "vp9/encoder/vp9_encodeintra.h"
26
27
#include "vp9/common/vp9_reconinter.h"
#include "vp9/common/vp9_invtrans.h"
28
#include "vp9/encoder/vp9_rdopt.h"
29
30
31
32
#include "vp9/common/vp9_findnearmv.h"
#include "vp9/common/vp9_reconintra.h"
#include "vp9/common/vp9_seg_common.h"
#include "vp9/encoder/vp9_tokenize.h"
33
#include "vp9_rtcd.h"
John Koleszar's avatar
John Koleszar committed
34
#include <stdio.h>
35
#include <math.h>
John Koleszar's avatar
John Koleszar committed
36
37
#include <limits.h>
#include "vpx_ports/vpx_timer.h"
38
39
#include "vp9/common/vp9_pred_common.h"
#include "vp9/common/vp9_mvref_common.h"
Paul Wilkins's avatar
Paul Wilkins committed
40

Yaowu Xu's avatar
Yaowu Xu committed
41
#define DBG_PRNT_SEGMAP 0
42

43
// #define ENC_DEBUG
44
#ifdef ENC_DEBUG
John Koleszar's avatar
John Koleszar committed
45
int enc_debug = 0;
46
47
#endif

48
49
50
51
static void encode_macroblock(VP9_COMP *cpi, MACROBLOCK *x,
                              TOKENEXTRA **t, int recon_yoffset,
                              int recon_uvoffset, int output_enabled,
                              int mb_col, int mb_row);
52

53
54
55
static void encode_superblock(VP9_COMP *cpi, MACROBLOCK *x,
                              TOKENEXTRA **t, int recon_yoffset,
                              int recon_uvoffset, int mb_col, int mb_row);
56

57
static void adjust_act_zbin(VP9_COMP *cpi, MACROBLOCK *x);
58

John Koleszar's avatar
John Koleszar committed
59
#ifdef MODE_STATS
60
unsigned int inter_y_modes[MB_MODE_COUNT];
61
unsigned int inter_uv_modes[VP9_UV_MODES];
62
unsigned int inter_b_modes[B_MODE_COUNT];
63
64
65
66
unsigned int y_modes[VP9_YMODES];
unsigned int i8x8_modes[VP9_I8X8_MODES];
unsigned int uv_modes[VP9_UV_MODES];
unsigned int uv_modes_y[VP9_YMODES][VP9_UV_MODES];
67
unsigned int b_modes[B_MODE_COUNT];
John Koleszar's avatar
John Koleszar committed
68
69
70
#endif


71
72
73
/* activity_avg must be positive, or flat regions could get a zero weight
 *  (infinite lambda), which confounds analysis.
 * This also avoids the need for divide by zero checks in
74
 *  vp9_activity_masking().
75
 */
76
#define VP9_ACTIVITY_AVG_MIN (64)
77
78
79
80
81
82

/* This is used as a reference when computing the source variance for the
 *  purposes of activity masking.
 * Eventually this should be replaced by custom no-reference routines,
 *  which will be faster.
 */
83
static const uint8_t VP9_VAR_OFFS[16] = {
John Koleszar's avatar
John Koleszar committed
84
  128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128
85
86
};

87
88

// Original activity measure from Tim T's code.
89
static unsigned int tt_activity_measure(VP9_COMP *cpi, MACROBLOCK *x) {
John Koleszar's avatar
John Koleszar committed
90
91
92
93
94
95
96
97
98
  unsigned int act;
  unsigned int sse;
  /* TODO: This could also be done over smaller areas (8x8), but that would
   *  require extensive changes elsewhere, as lambda is assumed to be fixed
   *  over an entire MB in most of the code.
   * Another option is to compute four 8x8 variances, and pick a single
   *  lambda using a non-linear combination (e.g., the smallest, or second
   *  smallest, etc.).
   */
99
  act = vp9_variance16x16(x->src.y_buffer, x->src.y_stride, VP9_VAR_OFFS, 0,
100
                          &sse);
John Koleszar's avatar
John Koleszar committed
101
102
103
104
105
106
107
  act = act << 4;

  /* If the region is flat, lower the activity some more. */
  if (act < 8 << 12)
    act = act < 5 << 12 ? act : 5 << 12;

  return act;
108
109
}

110
// Stub for alternative experimental activity measures.
111
static unsigned int alt_activity_measure(VP9_COMP *cpi,
John Koleszar's avatar
John Koleszar committed
112
                                         MACROBLOCK *x, int use_dc_pred) {
113
  return vp9_encode_intra(cpi, x, use_dc_pred);
114
115
116
117
118
}


// Measure the activity of the current macroblock
// What we measure here is TBD so abstracted to this function
119
#define ALT_ACT_MEASURE 1
120
static unsigned int mb_activity_measure(VP9_COMP *cpi, MACROBLOCK *x,
John Koleszar's avatar
John Koleszar committed
121
122
                                        int mb_row, int mb_col) {
  unsigned int mb_activity;
123

John Koleszar's avatar
John Koleszar committed
124
125
  if (ALT_ACT_MEASURE) {
    int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
126

John Koleszar's avatar
John Koleszar committed
127
128
129
130
131
132
    // Or use and alternative.
    mb_activity = alt_activity_measure(cpi, x, use_dc_pred);
  } else {
    // Original activity measure from Tim T's code.
    mb_activity = tt_activity_measure(cpi, x);
  }
133

134
135
  if (mb_activity < VP9_ACTIVITY_AVG_MIN)
    mb_activity = VP9_ACTIVITY_AVG_MIN;
136

John Koleszar's avatar
John Koleszar committed
137
  return mb_activity;
138
139
140
}

// Calculate an "average" mb activity value for the frame
141
#define ACT_MEDIAN 0
142
static void calc_av_activity(VP9_COMP *cpi, int64_t activity_sum) {
143
#if ACT_MEDIAN
John Koleszar's avatar
John Koleszar committed
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
  // Find median: Simple n^2 algorithm for experimentation
  {
    unsigned int median;
    unsigned int i, j;
    unsigned int *sortlist;
    unsigned int tmp;

    // Create a list to sort to
    CHECK_MEM_ERROR(sortlist,
    vpx_calloc(sizeof(unsigned int),
    cpi->common.MBs));

    // Copy map to sort list
    vpx_memcpy(sortlist, cpi->mb_activity_map,
    sizeof(unsigned int) * cpi->common.MBs);


    // Ripple each value down to its correct position
    for (i = 1; i < cpi->common.MBs; i ++) {
      for (j = i; j > 0; j --) {
        if (sortlist[j] < sortlist[j - 1]) {
          // Swap values
          tmp = sortlist[j - 1];
          sortlist[j - 1] = sortlist[j];
          sortlist[j] = tmp;
        } else
          break;
      }
    }
173

John Koleszar's avatar
John Koleszar committed
174
175
176
    // Even number MBs so estimate median as mean of two either side.
    median = (1 + sortlist[cpi->common.MBs >> 1] +
              sortlist[(cpi->common.MBs >> 1) + 1]) >> 1;
177

John Koleszar's avatar
John Koleszar committed
178
    cpi->activity_avg = median;
179

John Koleszar's avatar
John Koleszar committed
180
181
    vpx_free(sortlist);
  }
182
#else
John Koleszar's avatar
John Koleszar committed
183
184
  // Simple mean for now
  cpi->activity_avg = (unsigned int)(activity_sum / cpi->common.MBs);
185
186
#endif

187
188
  if (cpi->activity_avg < VP9_ACTIVITY_AVG_MIN)
    cpi->activity_avg = VP9_ACTIVITY_AVG_MIN;
189

John Koleszar's avatar
John Koleszar committed
190
191
192
  // Experimental code: return fixed value normalized for several clips
  if (ALT_ACT_MEASURE)
    cpi->activity_avg = 100000;
193
194
}

195
#define USE_ACT_INDEX   0
196
#define OUTPUT_NORM_ACT_STATS   0
197
198
199

#if USE_ACT_INDEX
// Calculate and activity index for each mb
200
201
static void calc_activity_index(VP9_COMP *cpi, MACROBLOCK *x) {
  VP9_COMMON *const cm = &cpi->common;
John Koleszar's avatar
John Koleszar committed
202
  int mb_row, mb_col;
203

John Koleszar's avatar
John Koleszar committed
204
205
206
  int64_t act;
  int64_t a;
  int64_t b;
207
208

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
209
210
  FILE *f = fopen("norm_act.stt", "a");
  fprintf(f, "\n%12d\n", cpi->activity_avg);
211
212
#endif

John Koleszar's avatar
John Koleszar committed
213
214
  // Reset pointers to start of activity map
  x->mb_activity_ptr = cpi->mb_activity_map;
215

John Koleszar's avatar
John Koleszar committed
216
217
218
219
220
221
  // Calculate normalized mb activity number.
  for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
    // for each macroblock col in image
    for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
      // Read activity from the map
      act = *(x->mb_activity_ptr);
222

John Koleszar's avatar
John Koleszar committed
223
224
225
      // Calculate a normalized activity number
      a = act + 4 * cpi->activity_avg;
      b = 4 * act + cpi->activity_avg;
226

John Koleszar's avatar
John Koleszar committed
227
228
229
230
      if (b >= a)
        *(x->activity_ptr) = (int)((b + (a >> 1)) / a) - 1;
      else
        *(x->activity_ptr) = 1 - (int)((a + (b >> 1)) / b);
231
232

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
233
      fprintf(f, " %6d", *(x->mb_activity_ptr));
234
#endif
John Koleszar's avatar
John Koleszar committed
235
236
237
      // Increment activity map pointers
      x->mb_activity_ptr++;
    }
238
239

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
240
    fprintf(f, "\n");
241
242
#endif

John Koleszar's avatar
John Koleszar committed
243
  }
244
245

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
246
  fclose(f);
247
248
249
#endif

}
250
#endif
251
252
253

// Loop through all MBs. Note activity of each, average activity and
// calculate a normalized activity for each
254
static void build_activity_map(VP9_COMP *cpi) {
John Koleszar's avatar
John Koleszar committed
255
  MACROBLOCK *const x = &cpi->mb;
John Koleszar's avatar
John Koleszar committed
256
  MACROBLOCKD *xd = &x->e_mbd;
257
  VP9_COMMON *const cm = &cpi->common;
258

259
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
260
261
262
  YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
  int recon_yoffset;
  int recon_y_stride = new_yv12->y_stride;
263
264
#endif

John Koleszar's avatar
John Koleszar committed
265
266
267
  int mb_row, mb_col;
  unsigned int mb_activity;
  int64_t activity_sum = 0;
268

John Koleszar's avatar
John Koleszar committed
269
270
  // for each macroblock row in image
  for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
271
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
272
273
274
    // reset above block coeffs
    xd->up_available = (mb_row != 0);
    recon_yoffset = (mb_row * recon_y_stride * 16);
275
#endif
John Koleszar's avatar
John Koleszar committed
276
277
    // for each macroblock col in image
    for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
278
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
279
280
281
      xd->dst.y_buffer = new_yv12->y_buffer + recon_yoffset;
      xd->left_available = (mb_col != 0);
      recon_yoffset += 16;
282
#endif
283
#if !CONFIG_SUPERBLOCKS
John Koleszar's avatar
John Koleszar committed
284
      // Copy current mb to a buffer
285
      vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
286
#endif
287

John Koleszar's avatar
John Koleszar committed
288
289
      // measure activity
      mb_activity = mb_activity_measure(cpi, x, mb_row, mb_col);
290

John Koleszar's avatar
John Koleszar committed
291
292
      // Keep frame sum
      activity_sum += mb_activity;
293

John Koleszar's avatar
John Koleszar committed
294
295
      // Store MB level activity details.
      *x->mb_activity_ptr = mb_activity;
296

John Koleszar's avatar
John Koleszar committed
297
298
      // Increment activity map pointer
      x->mb_activity_ptr++;
299

John Koleszar's avatar
John Koleszar committed
300
301
302
      // adjust to the next column of source macroblocks
      x->src.y_buffer += 16;
    }
303

304

John Koleszar's avatar
John Koleszar committed
305
306
    // adjust to the next row of mbs
    x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
307
308

#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
309
    // extend the recon for intra prediction
310
    vp9_extend_mb_row(new_yv12, xd->dst.y_buffer + 16,
John Koleszar's avatar
John Koleszar committed
311
                      xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
312
313
#endif

John Koleszar's avatar
John Koleszar committed
314
  }
315

John Koleszar's avatar
John Koleszar committed
316
317
  // Calculate an "average" MB activity
  calc_av_activity(cpi, activity_sum);
318

319
#if USE_ACT_INDEX
John Koleszar's avatar
John Koleszar committed
320
321
  // Calculate an activity index number of each mb
  calc_activity_index(cpi, x);
322
323
#endif

324
325
}

326
// Macroblock activity masking
327
void vp9_activity_masking(VP9_COMP *cpi, MACROBLOCK *x) {
328
#if USE_ACT_INDEX
John Koleszar's avatar
John Koleszar committed
329
330
331
  x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2);
  x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
  x->errorperbit += (x->errorperbit == 0);
332
#else
John Koleszar's avatar
John Koleszar committed
333
334
335
  int64_t a;
  int64_t b;
  int64_t act = *(x->mb_activity_ptr);
336

John Koleszar's avatar
John Koleszar committed
337
338
339
  // Apply the masking to the RD multiplier.
  a = act + (2 * cpi->activity_avg);
  b = (2 * act) + cpi->activity_avg;
340

John Koleszar's avatar
John Koleszar committed
341
342
343
  x->rdmult = (unsigned int)(((int64_t)x->rdmult * b + (a >> 1)) / a);
  x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
  x->errorperbit += (x->errorperbit == 0);
344
#endif
345

John Koleszar's avatar
John Koleszar committed
346
347
  // Activity based Zbin adjustment
  adjust_act_zbin(cpi, x);
348
}
John Koleszar's avatar
John Koleszar committed
349

Deb Mukherjee's avatar
Deb Mukherjee committed
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
#if CONFIG_NEW_MVREF
static int vp9_cost_mv_ref_id(vp9_prob * ref_id_probs, int mv_ref_id) {
  int cost;

  // Encode the index for the MV reference.
  switch (mv_ref_id) {
    case 0:
      cost = vp9_cost_zero(ref_id_probs[0]);
      break;
    case 1:
      cost = vp9_cost_one(ref_id_probs[0]);
      cost += vp9_cost_zero(ref_id_probs[1]);
      break;
    case 2:
      cost = vp9_cost_one(ref_id_probs[0]);
      cost += vp9_cost_one(ref_id_probs[1]);
      cost += vp9_cost_zero(ref_id_probs[2]);
      break;
    case 3:
      cost = vp9_cost_one(ref_id_probs[0]);
      cost += vp9_cost_one(ref_id_probs[1]);
      cost += vp9_cost_one(ref_id_probs[2]);
      break;

      // TRAP.. This should not happen
    default:
      assert(0);
      break;
  }
  return cost;
}

// Estimate the cost of each coding the vector using each reference candidate
static unsigned int pick_best_mv_ref(MACROBLOCK *x,
                                     MV_REFERENCE_FRAME ref_frame,
                                     int_mv target_mv,
                                     int_mv * mv_ref_list,
                                     int_mv * best_ref) {
  int i;
  int best_index = 0;
  int cost, cost2;
  int zero_seen = (mv_ref_list[0].as_int) ? FALSE : TRUE;
  MACROBLOCKD *xd = &x->e_mbd;
  int max_mv = MV_MAX;

395
  cost = vp9_cost_mv_ref_id(xd->mb_mv_ref_probs[ref_frame], 0) +
Deb Mukherjee's avatar
Deb Mukherjee committed
396
397
398
         vp9_mv_bit_cost(&target_mv, &mv_ref_list[0], x->nmvjointcost,
                         x->mvcost, 96, xd->allow_high_precision_mv);

Paul Wilkins's avatar
Paul Wilkins committed
399
  for (i = 1; i < MAX_MV_REF_CANDIDATES; ++i) {
Deb Mukherjee's avatar
Deb Mukherjee committed
400
401
    // If we see a 0,0 reference vector for a second time we have reached
    // the end of the list of valid candidate vectors.
Jim Bankoski's avatar
Jim Bankoski committed
402
    if (!mv_ref_list[i].as_int) {
Deb Mukherjee's avatar
Deb Mukherjee committed
403
404
405
406
      if (zero_seen)
        break;
      else
        zero_seen = TRUE;
Jim Bankoski's avatar
Jim Bankoski committed
407
    }
Deb Mukherjee's avatar
Deb Mukherjee committed
408
409
410
411
412
413
414
415

    // Check for cases where the reference choice would give rise to an
    // uncodable/out of range residual for row or col.
    if ((abs(target_mv.as_mv.row - mv_ref_list[i].as_mv.row) > max_mv) ||
        (abs(target_mv.as_mv.col - mv_ref_list[i].as_mv.col) > max_mv)) {
      continue;
    }

416
    cost2 = vp9_cost_mv_ref_id(xd->mb_mv_ref_probs[ref_frame], i) +
Deb Mukherjee's avatar
Deb Mukherjee committed
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
            vp9_mv_bit_cost(&target_mv, &mv_ref_list[i], x->nmvjointcost,
                            x->mvcost, 96, xd->allow_high_precision_mv);

    if (cost2 < cost) {
      cost = cost2;
      best_index = i;
    }
  }
  best_ref->as_int = mv_ref_list[best_index].as_int;

  return best_index;
}
#endif

static void update_state(VP9_COMP *cpi, MACROBLOCK *x,
                         PICK_MODE_CONTEXT *ctx) {
John Koleszar's avatar
John Koleszar committed
433
434
435
  int i;
  MACROBLOCKD *xd = &x->e_mbd;
  MODE_INFO *mi = &ctx->mic;
Paul Wilkins's avatar
Paul Wilkins committed
436
  MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
437
438
  int mb_mode = mi->mbmi.mode;
  int mb_mode_index = ctx->best_mode_index;
Adrian Grange's avatar
Adrian Grange committed
439
440

#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
441
442
443
  assert(mb_mode < MB_MODE_COUNT);
  assert(mb_mode_index < MAX_MODES);
  assert(mi->mbmi.ref_frame < MAX_REF_FRAMES);
Adrian Grange's avatar
Adrian Grange committed
444
445
#endif

John Koleszar's avatar
John Koleszar committed
446
447
448
  // Restore the coding context of the MB to that that was in place
  // when the mode was picked for it
  vpx_memcpy(xd->mode_info_context, mi, sizeof(MODE_INFO));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
449
450
#if CONFIG_SUPERBLOCKS
  if (mi->mbmi.encoded_as_sb) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
451
    const int mis = cpi->common.mode_info_stride;
452
    if (xd->mb_to_right_edge >= 0)
Ronald S. Bultje's avatar
Ronald S. Bultje committed
453
      vpx_memcpy(xd->mode_info_context + 1, mi, sizeof(MODE_INFO));
454
    if (xd->mb_to_bottom_edge >= 0) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
455
      vpx_memcpy(xd->mode_info_context + mis, mi, sizeof(MODE_INFO));
456
      if (xd->mb_to_right_edge >= 0)
Ronald S. Bultje's avatar
Ronald S. Bultje committed
457
458
        vpx_memcpy(xd->mode_info_context + mis + 1, mi, sizeof(MODE_INFO));
    }
459
460
461
462
#if CONFIG_TX32X32 && CONFIG_SUPERBLOCKS
  } else {
    ctx->txfm_rd_diff[ALLOW_32X32] = ctx->txfm_rd_diff[ALLOW_16X16];
#endif
Ronald S. Bultje's avatar
Ronald S. Bultje committed
463
464
  }
#endif
Adrian Grange's avatar
Adrian Grange committed
465

John Koleszar's avatar
John Koleszar committed
466
467
468
  if (mb_mode == B_PRED) {
    for (i = 0; i < 16; i++) {
      xd->block[i].bmi.as_mode = xd->mode_info_context->bmi[i].as_mode;
Frank Galligan's avatar
Frank Galligan committed
469
      assert(xd->block[i].bmi.as_mode.first < B_MODE_COUNT);
Adrian Grange's avatar
Adrian Grange committed
470
    }
John Koleszar's avatar
John Koleszar committed
471
472
473
  } else if (mb_mode == I8X8_PRED) {
    for (i = 0; i < 16; i++) {
      xd->block[i].bmi = xd->mode_info_context->bmi[i];
Adrian Grange's avatar
Adrian Grange committed
474
    }
John Koleszar's avatar
John Koleszar committed
475
476
477
478
  } else if (mb_mode == SPLITMV) {
    vpx_memcpy(x->partition_info, &ctx->partition_info,
               sizeof(PARTITION_INFO));

479
480
    mbmi->mv[0].as_int = x->partition_info->bmi[15].mv.as_int;
    mbmi->mv[1].as_int = x->partition_info->bmi[15].second_mv.as_int;
John Koleszar's avatar
John Koleszar committed
481
482
  }

483
484
  {
    int segment_id = mbmi->segment_id;
485
486
    if (!vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB) ||
        vp9_get_segdata(xd, segment_id, SEG_LVL_EOB)) {
487
488
489
490
491
492
      for (i = 0; i < NB_TXFM_MODES; i++) {
        cpi->rd_tx_select_diff[i] += ctx->txfm_rd_diff[i];
      }
    }
  }

John Koleszar's avatar
John Koleszar committed
493
494
495
496
497
498
499
500
501
  if (cpi->common.frame_type == KEY_FRAME) {
    // Restore the coding modes to that held in the coding context
    // if (mb_mode == B_PRED)
    //    for (i = 0; i < 16; i++)
    //    {
    //        xd->block[i].bmi.as_mode =
    //                          xd->mode_info_context->bmi[i].as_mode;
    //        assert(xd->mode_info_context->bmi[i].as_mode < MB_MODE_COUNT);
    //    }
502
#if CONFIG_INTERNAL_STATS
John Koleszar's avatar
John Koleszar committed
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
    static const int kf_mode_index[] = {
      THR_DC /*DC_PRED*/,
      THR_V_PRED /*V_PRED*/,
      THR_H_PRED /*H_PRED*/,
      THR_D45_PRED /*D45_PRED*/,
      THR_D135_PRED /*D135_PRED*/,
      THR_D117_PRED /*D117_PRED*/,
      THR_D153_PRED /*D153_PRED*/,
      THR_D27_PRED /*D27_PRED*/,
      THR_D63_PRED /*D63_PRED*/,
      THR_TM /*TM_PRED*/,
      THR_I8X8_PRED /*I8X8_PRED*/,
      THR_B_PRED /*B_PRED*/,
    };
    cpi->mode_chosen_counts[kf_mode_index[mb_mode]]++;
518
#endif
John Koleszar's avatar
John Koleszar committed
519
520
521
522
523
524
525
  } else {
    /*
            // Reduce the activation RD thresholds for the best choice mode
            if ((cpi->rd_baseline_thresh[mb_mode_index] > 0) &&
                (cpi->rd_baseline_thresh[mb_mode_index] < (INT_MAX >> 2)))
            {
                int best_adjustment = (cpi->rd_thresh_mult[mb_mode_index] >> 2);
Adrian Grange's avatar
Adrian Grange committed
526

John Koleszar's avatar
John Koleszar committed
527
528
529
530
531
532
533
534
                cpi->rd_thresh_mult[mb_mode_index] =
                        (cpi->rd_thresh_mult[mb_mode_index]
                         >= (MIN_THRESHMULT + best_adjustment)) ?
                                cpi->rd_thresh_mult[mb_mode_index] - best_adjustment :
                                MIN_THRESHMULT;
                cpi->rd_threshes[mb_mode_index] =
                        (cpi->rd_baseline_thresh[mb_mode_index] >> 7)
                        * cpi->rd_thresh_mult[mb_mode_index];
Adrian Grange's avatar
Adrian Grange committed
535

John Koleszar's avatar
John Koleszar committed
536
537
538
539
            }
    */
    // Note how often each mode chosen as best
    cpi->mode_chosen_counts[mb_mode_index]++;
Deb Mukherjee's avatar
Deb Mukherjee committed
540
541
542
    if (mbmi->mode == SPLITMV || mbmi->mode == NEWMV) {
      int_mv best_mv, best_second_mv;
      MV_REFERENCE_FRAME rf = mbmi->ref_frame;
Jim Bankoski's avatar
Jim Bankoski committed
543
544
#if CONFIG_NEW_MVREF
      unsigned int best_index;
Deb Mukherjee's avatar
Deb Mukherjee committed
545
      MV_REFERENCE_FRAME sec_ref_frame = mbmi->second_ref_frame;
Jim Bankoski's avatar
Jim Bankoski committed
546
#endif
Deb Mukherjee's avatar
Deb Mukherjee committed
547
548
549
550
551
552
553
554
555
      best_mv.as_int = ctx->best_ref_mv.as_int;
      best_second_mv.as_int = ctx->second_best_ref_mv.as_int;
      if (mbmi->mode == NEWMV) {
        best_mv.as_int = mbmi->ref_mvs[rf][0].as_int;
        best_second_mv.as_int = mbmi->ref_mvs[mbmi->second_ref_frame][0].as_int;
#if CONFIG_NEW_MVREF
        best_index = pick_best_mv_ref(x, rf, mbmi->mv[0],
                                      mbmi->ref_mvs[rf], &best_mv);
        mbmi->best_index = best_index;
556
        ++cpi->mb_mv_ref_count[rf][best_index];
Deb Mukherjee's avatar
Deb Mukherjee committed
557

558
        if (mbmi->second_ref_frame > 0) {
Deb Mukherjee's avatar
Deb Mukherjee committed
559
560
561
562
563
564
          unsigned int best_index;
          best_index =
              pick_best_mv_ref(x, sec_ref_frame, mbmi->mv[1],
                               mbmi->ref_mvs[sec_ref_frame],
                               &best_second_mv);
          mbmi->best_second_index = best_index;
565
          ++cpi->mb_mv_ref_count[sec_ref_frame][best_index];
Deb Mukherjee's avatar
Deb Mukherjee committed
566
567
568
569
570
571
572
        }
#endif
      }
      mbmi->best_mv.as_int = best_mv.as_int;
      mbmi->best_second_mv.as_int = best_second_mv.as_int;
      vp9_update_nmv_count(cpi, x, &best_mv, &best_second_mv);
    }
573
574
575
576
577
578
579
580
581
582
583
584
585
#if CONFIG_COMP_INTERINTRA_PRED
    if (mbmi->mode >= NEARESTMV && mbmi->mode < SPLITMV &&
        mbmi->second_ref_frame <= INTRA_FRAME) {
      if (mbmi->second_ref_frame == INTRA_FRAME) {
        ++cpi->interintra_count[1];
        ++cpi->ymode_count[mbmi->interintra_mode];
#if SEPARATE_INTERINTRA_UV
        ++cpi->y_uv_mode_count[mbmi->interintra_mode][mbmi->interintra_uv_mode];
#endif
      } else {
        ++cpi->interintra_count[0];
      }
    }
586
#endif
587
588
589
590
591
592
593
    if (cpi->common.mcomp_filter_type == SWITCHABLE &&
        mbmi->mode >= NEARESTMV &&
        mbmi->mode <= SPLITMV) {
      ++cpi->switchable_interp_count
          [vp9_get_pred_context(&cpi->common, xd, PRED_SWITCHABLE_INTERP)]
          [vp9_switchable_interp_map[mbmi->interp_filter]];
    }
Adrian Grange's avatar
Adrian Grange committed
594

John Koleszar's avatar
John Koleszar committed
595
596
    cpi->prediction_error += ctx->distortion;
    cpi->intra_error += ctx->intra_error;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
597

598
599
600
    cpi->rd_comp_pred_diff[SINGLE_PREDICTION_ONLY] += ctx->single_pred_diff;
    cpi->rd_comp_pred_diff[COMP_PREDICTION_ONLY]   += ctx->comp_pred_diff;
    cpi->rd_comp_pred_diff[HYBRID_PREDICTION]      += ctx->hybrid_pred_diff;
John Koleszar's avatar
John Koleszar committed
601
  }
Adrian Grange's avatar
Adrian Grange committed
602
603
}

604
605
static void pick_mb_modes(VP9_COMP *cpi,
                          VP9_COMMON *cm,
John Koleszar's avatar
John Koleszar committed
606
607
608
609
610
                          int mb_row,
                          int mb_col,
                          MACROBLOCK  *x,
                          MACROBLOCKD *xd,
                          TOKENEXTRA **tp,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
611
612
                          int *totalrate,
                          int *totaldist) {
John Koleszar's avatar
John Koleszar committed
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
  int i;
  int map_index;
  int recon_yoffset, recon_uvoffset;
  int ref_fb_idx = cm->lst_fb_idx;
  int dst_fb_idx = cm->new_fb_idx;
  int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
  int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
  ENTROPY_CONTEXT_PLANES left_context[2];
  ENTROPY_CONTEXT_PLANES above_context[2];
  ENTROPY_CONTEXT_PLANES *initial_above_context_ptr = cm->above_context
                                                      + mb_col;

  // Offsets to move pointers from MB to MB within a SB in raster order
  int row_delta[4] = { 0, +1,  0, -1};
  int col_delta[4] = { +1, -1, +1, +1};

  /* Function should not modify L & A contexts; save and restore on exit */
  vpx_memcpy(left_context,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
631
             cm->left_context,
John Koleszar's avatar
John Koleszar committed
632
633
634
635
636
637
638
639
640
641
642
             sizeof(left_context));
  vpx_memcpy(above_context,
             initial_above_context_ptr,
             sizeof(above_context));

  /* Encode MBs in raster order within the SB */
  for (i = 0; i < 4; i++) {
    int dy = row_delta[i];
    int dx = col_delta[i];
    int offset_unextended = dy * cm->mb_cols + dx;
    int offset_extended   = dy * xd->mode_info_stride + dx;
Paul Wilkins's avatar
Paul Wilkins committed
643
    MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660

    // TODO Many of the index items here can be computed more efficiently!

    if ((mb_row >= cm->mb_rows) || (mb_col >= cm->mb_cols)) {
      // MB lies outside frame, move on
      mb_row += dy;
      mb_col += dx;

      // Update pointers
      x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
      x->src.u_buffer += 8  * (dx + dy * x->src.uv_stride);
      x->src.v_buffer += 8  * (dx + dy * x->src.uv_stride);

      x->gf_active_ptr += offset_unextended;
      x->partition_info += offset_extended;
      xd->mode_info_context += offset_extended;
      xd->prev_mode_info_context += offset_extended;
Adrian Grange's avatar
Adrian Grange committed
661
#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
662
663
      assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
             (xd->mode_info_context - cpi->common.mip));
Adrian Grange's avatar
Adrian Grange committed
664
#endif
John Koleszar's avatar
John Koleszar committed
665
666
      continue;
    }
667

John Koleszar's avatar
John Koleszar committed
668
669
670
671
672
673
674
675
676
677
678
    // Index of the MB in the SB 0..3
    xd->mb_index = i;

    map_index = (mb_row * cpi->common.mb_cols) + mb_col;
    x->mb_activity_ptr = &cpi->mb_activity_map[map_index];

    // set above context pointer
    xd->above_context = cm->above_context + mb_col;

    // Restore the appropriate left context depending on which
    // row in the SB the MB is situated
Ronald S. Bultje's avatar
Ronald S. Bultje committed
679
    xd->left_context = cm->left_context + (i >> 1);
John Koleszar's avatar
John Koleszar committed
680
681
682
683
684
685
686
687
688

    // Set up distance of MB to edge of frame in 1/8th pel units
    xd->mb_to_top_edge    = -((mb_row * 16) << 3);
    xd->mb_to_left_edge   = -((mb_col * 16) << 3);
    xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
    xd->mb_to_right_edge  = ((cm->mb_cols - 1 - mb_col) * 16) << 3;

    // Set up limit values for MV components to prevent them from
    // extending beyond the UMV borders assuming 16x16 block size
John Koleszar's avatar
John Koleszar committed
689
690
    x->mv_row_min = -((mb_row * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
    x->mv_col_min = -((mb_col * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
John Koleszar's avatar
John Koleszar committed
691
    x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
John Koleszar's avatar
John Koleszar committed
692
                     (VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND));
John Koleszar's avatar
John Koleszar committed
693
    x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
John Koleszar's avatar
John Koleszar committed
694
                     (VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND));
John Koleszar's avatar
John Koleszar committed
695
696
697
698
699
700
701
702
703
704
705

    xd->up_available   = (mb_row != 0);
    xd->left_available = (mb_col != 0);

    recon_yoffset  = (mb_row * recon_y_stride * 16) + (mb_col * 16);
    recon_uvoffset = (mb_row * recon_uv_stride * 8) + (mb_col *  8);

    xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
    xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
    xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;

706
#if !CONFIG_SUPERBLOCKS
John Koleszar's avatar
John Koleszar committed
707
    // Copy current MB to a work buffer
708
    vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
709
#endif
John Koleszar's avatar
John Koleszar committed
710
711
712
713
714

    x->rddiv = cpi->RDDIV;
    x->rdmult = cpi->RDMULT;

    if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
715
      vp9_activity_masking(cpi, x);
John Koleszar's avatar
John Koleszar committed
716
717
718
719

    // Is segmentation enabled
    if (xd->segmentation_enabled) {
      // Code to set segment id in xd->mbmi.segment_id
Ronald S. Bultje's avatar
Ronald S. Bultje committed
720
      if (xd->update_mb_segmentation_map)
Paul Wilkins's avatar
Paul Wilkins committed
721
        mbmi->segment_id = cpi->segmentation_map[map_index];
John Koleszar's avatar
John Koleszar committed
722
      else
Ronald S. Bultje's avatar
Ronald S. Bultje committed
723
724
        mbmi->segment_id = cm->last_frame_seg_map[map_index];
      if (mbmi->segment_id > 3)
Paul Wilkins's avatar
Paul Wilkins committed
725
        mbmi->segment_id = 0;
John Koleszar's avatar
John Koleszar committed
726

727
      vp9_mb_init_quantizer(cpi, x);
John Koleszar's avatar
John Koleszar committed
728
729
    } else
      // Set to Segment 0 by default
Paul Wilkins's avatar
Paul Wilkins committed
730
      mbmi->segment_id = 0;
John Koleszar's avatar
John Koleszar committed
731
732
733

    x->active_ptr = cpi->active_map + map_index;

Ronald S. Bultje's avatar
Ronald S. Bultje committed
734
735
736
737
#if CONFIG_SUPERBLOCKS
    xd->mode_info_context->mbmi.encoded_as_sb = 0;
#endif

John Koleszar's avatar
John Koleszar committed
738
739
    cpi->update_context = 0;    // TODO Do we need this now??

740
    vp9_intra_prediction_down_copy(xd);
741

742
743
744
745
#ifdef ENC_DEBUG
      enc_debug = (cpi->common.current_video_frame == 46 &&
                   mb_row == 5 && mb_col == 2);
#endif
John Koleszar's avatar
John Koleszar committed
746
747
748
    // Find best coding mode & reconstruct the MB so it is available
    // as a predictor for MBs that follow in the SB
    if (cm->frame_type == KEY_FRAME) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
749
      int r, d;
750
751
752
753
#ifdef ENC_DEBUG
      if (enc_debug)
        printf("intra pick_mb_modes %d %d\n", mb_row, mb_col);
#endif
754
      vp9_rd_pick_intra_mode(cpi, x, &r, &d);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
755
756
      *totalrate += r;
      *totaldist += d;
John Koleszar's avatar
John Koleszar committed
757
758

      // Dummy encode, do not do the tokenization
759
760
      encode_macroblock(cpi, x, tp,
                        recon_yoffset, recon_uvoffset, 0, mb_col, mb_row);
John Koleszar's avatar
John Koleszar committed
761
      // Note the encoder may have changed the segment_id
Ronald S. Bultje's avatar
Ronald S. Bultje committed
762
763
764
765

      // Save the coding context
      vpx_memcpy(&x->mb_context[i].mic, xd->mode_info_context,
                 sizeof(MODE_INFO));
John Koleszar's avatar
John Koleszar committed
766
    } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
767
      int seg_id, r, d;
John Koleszar's avatar
John Koleszar committed
768
769

      if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
770
771
772
773
774
775
          !vp9_segfeature_active(xd, 0, SEG_LVL_REF_FRAME) &&
          vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME) &&
          vp9_check_segref(xd, 1, INTRA_FRAME)  +
          vp9_check_segref(xd, 1, LAST_FRAME)   +
          vp9_check_segref(xd, 1, GOLDEN_FRAME) +
          vp9_check_segref(xd, 1, ALTREF_FRAME) == 1) {
John Koleszar's avatar
John Koleszar committed
776
777
778
779
780
        cpi->seg0_progress = (cpi->seg0_idx << 16) / cpi->seg0_cnt;
      } else {
        cpi->seg0_progress = (((mb_col & ~1) * 2 + (mb_row & ~1) * cm->mb_cols + i) << 16) / cm->MBs;
      }

781
782
#ifdef ENC_DEBUG
      if (enc_debug)
783
        printf("inter pick_mb_modes %d %d\n", mb_row, mb_col);
784
#endif
785
786
      vp9_pick_mode_inter_macroblock(cpi, x, recon_yoffset,
                                     recon_uvoffset, &r, &d);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
787
788
      *totalrate += r;
      *totaldist += d;
John Koleszar's avatar
John Koleszar committed
789
790

      // Dummy encode, do not do the tokenization
791
792
      encode_macroblock(cpi, x, tp,
                        recon_yoffset, recon_uvoffset, 0, mb_col, mb_row);
John Koleszar's avatar
John Koleszar committed
793

Paul Wilkins's avatar
Paul Wilkins committed
794
      seg_id = mbmi->segment_id;
John Koleszar's avatar
John Koleszar committed
795
796
797
798
      if (cpi->mb.e_mbd.segmentation_enabled && seg_id == 0) {
        cpi->seg0_idx++;
      }
      if (!xd->segmentation_enabled ||
799
800
801
802
803
          !vp9_segfeature_active(xd, seg_id, SEG_LVL_REF_FRAME) ||
          vp9_check_segref(xd, seg_id, INTRA_FRAME)  +
          vp9_check_segref(xd, seg_id, LAST_FRAME)   +
          vp9_check_segref(xd, seg_id, GOLDEN_FRAME) +
          vp9_check_segref(xd, seg_id, ALTREF_FRAME) > 1) {
John Koleszar's avatar
John Koleszar committed
804
        // Get the prediction context and status
Paul Wilkins's avatar
Paul Wilkins committed
805
806
        int pred_flag = vp9_get_pred_flag(xd, PRED_REF);
        int pred_context = vp9_get_pred_context(cm, xd, PRED_REF);
John Koleszar's avatar
John Koleszar committed
807
808
809
810
811

        // Count prediction success
        cpi->ref_pred_count[pred_context][pred_flag]++;
      }
    }
Adrian Grange's avatar
Adrian Grange committed
812

John Koleszar's avatar
John Koleszar committed
813
814
815
    // Next MB
    mb_row += dy;
    mb_col += dx;
Adrian Grange's avatar
Adrian Grange committed
816

John Koleszar's avatar
John Koleszar committed
817
818
819
    x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
    x->src.u_buffer += 8  * (dx + dy * x->src.uv_stride);
    x->src.v_buffer += 8  * (dx + dy * x->src.uv_stride);
Adrian Grange's avatar
Adrian Grange committed
820

John Koleszar's avatar
John Koleszar committed
821
822
823
824
    x->gf_active_ptr += offset_unextended;
    x->partition_info += offset_extended;
    xd->mode_info_context += offset_extended;
    xd->prev_mode_info_context += offset_extended;
Adrian Grange's avatar
Adrian Grange committed
825
826

#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
827
828
    assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
           (xd->mode_info_context - cpi->common.mip));
Adrian Grange's avatar
Adrian Grange committed
829
#endif
John Koleszar's avatar
John Koleszar committed
830
831
832
  }

  /* Restore L & A coding context to those in place on entry */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
833
  vpx_memcpy(cm->left_context,
John Koleszar's avatar
John Koleszar committed
834
835
836
837
838
             left_context,
             sizeof(left_context));
  vpx_memcpy(initial_above_context_ptr,
             above_context,
             sizeof(above_context));
Adrian Grange's avatar
Adrian Grange committed
839
840
}

Ronald S. Bultje's avatar
Ronald S. Bultje committed
841
#if CONFIG_SUPERBLOCKS
842
843
static void pick_sb_modes (VP9_COMP *cpi,
                           VP9_COMMON *cm,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
                           int mb_row,
                           int mb_col,
                           MACROBLOCK  *x,
                           MACROBLOCKD *xd,
                           TOKENEXTRA **tp,
                           int *totalrate,
                           int *totaldist)
{
  int map_index;
  int recon_yoffset, recon_uvoffset;
  int ref_fb_idx = cm->lst_fb_idx;
  int dst_fb_idx = cm->new_fb_idx;
  int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
  int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
  ENTROPY_CONTEXT_PLANES left_context[2];
  ENTROPY_CONTEXT_PLANES above_context[2];
  ENTROPY_CONTEXT_PLANES *initial_above_context_ptr = cm->above_context
    + mb_col;

  /* Function should not modify L & A contexts; save and restore on exit */
  vpx_memcpy (left_context,
              cm->left_context,
              sizeof(left_context));
  vpx_memcpy (above_context,
              initial_above_context_ptr,
              sizeof(above_context));

  map_index = (mb_row * cpi->common.mb_cols) + mb_col;
  x->mb_activity_ptr = &cpi->mb_activity_map[map_index];

  /* set above context pointer */
  xd->above_context = cm->above_context + mb_col;

  /* Restore the appropriate left context depending on which
   * row in the SB the MB is situated */
  xd->left_context = cm->left_context;

  // Set up distance of MB to edge of frame in 1/8th pel units
  xd->mb_to_top_edge    = -((mb_row * 16) << 3);
  xd->mb_to_left_edge   = -((mb_col * 16) << 3);
884
885
  xd->mb_to_bottom_edge = ((cm->mb_rows - 2 - mb_row) * 16) << 3;
  xd->mb_to_right_edge  = ((cm->mb_cols - 2 - mb_col) * 16) << 3;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
886
887
888

  /* Set up limit values for MV components to prevent them from
   * extending beyond the UMV borders assuming 16x16 block size */
John Koleszar's avatar
John Koleszar committed
889
890
  x->mv_row_min = -((mb_row * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
  x->mv_col_min = -((mb_col * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
891
  x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
John Koleszar's avatar
John Koleszar committed
892
                   (VP9BORDERINPIXELS - 32 - VP9_INTERP_EXTEND));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
893
  x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
John Koleszar's avatar
John Koleszar committed
894
                   (VP9BORDERINPIXELS - 32 - VP9_INTERP_EXTEND));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
895
896
897
898
899
900
901
902
903
904
905
906

  xd->up_available   = (mb_row != 0);
  xd->left_available = (mb_col != 0);

  recon_yoffset  = (mb_row * recon_y_stride * 16) + (mb_col * 16);
  recon_uvoffset = (mb_row * recon_uv_stride * 8) + (mb_col *  8);

  xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
  xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
  xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
#if 0 // FIXME
  /* Copy current MB to a work buffer */
907
  vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
908
909
910
911
#endif
  x->rddiv = cpi->RDDIV;
  x->rdmult = cpi->RDMULT;
  if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
912
    vp9_activity_masking(cpi, x);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
  /* Is segmentation enabled */
  if (xd->segmentation_enabled)
  {
    /* Code to set segment id in xd->mbmi.segment_id */
    if (xd->update_mb_segmentation_map)
      xd->mode_info_context->mbmi.segment_id =
            cpi->segmentation_map[map_index] &&
            cpi->segmentation_map[map_index + 1] &&
            cpi->segmentation_map[map_index + cm->mb_cols] &&
            cpi->segmentation_map[map_index + cm->mb_cols + 1];
    else
      xd->mode_info_context->mbmi.segment_id =
            cm->last_frame_seg_map[map_index] &&
            cm->last_frame_seg_map[map_index + 1] &&
            cm->last_frame_seg_map[map_index + cm->mb_cols] &&
            cm->last_frame_seg_map[map_index + cm->mb_cols + 1];
    if (xd->mode_info_context->mbmi.segment_id > 3)
      xd->mode_info_context->mbmi.segment_id = 0;

932
    vp9_mb_init_quantizer(cpi, x);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
933
934
935
936
937
938
  }
  else
    /* Set to Segment 0 by default */
    xd->mode_info_context->mbmi.segment_id = 0;

  x->active_ptr = cpi->active_map + map_index;
Frank Galligan's avatar
Frank Galligan committed
939

Ronald S. Bultje's avatar
Ronald S. Bultje committed
940
941
942
943
944
945
  cpi->update_context = 0;    // TODO Do we need this now??

  /* Find best coding mode & reconstruct the MB so it is available
   * as a predictor for MBs that follow in the SB */
  if (cm->frame_type == KEY_FRAME)
  {
946
    vp9_rd_pick_intra_mode_sb(cpi, x,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
947
948
949
950
951
952
                              totalrate,
                              totaldist);

    /* Save the coding context */
    vpx_memcpy(&x->sb_context[0].mic, xd->mode_info_context,
               sizeof(MODE_INFO));
953
  } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
954
    if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
955
956
957
958
959
960
        !vp9_segfeature_active(xd, 0, SEG_LVL_REF_FRAME) &&
        vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME) &&
        vp9_check_segref(xd, 1, INTRA_FRAME)  +
        vp9_check_segref(xd, 1, LAST_FRAME)   +
        vp9_check_segref(xd, 1, GOLDEN_FRAME) +
        vp9_check_segref(xd, 1, ALTREF_FRAME) == 1) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
961
      cpi->seg0_progress = (cpi->seg0_idx << 16) / cpi->seg0_cnt;
962
    } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
963
964
965
966
      cpi->seg0_progress =
        (((mb_col & ~1) * 2 + (mb_row & ~1) * cm->mb_cols) << 16) / cm->MBs;
    }

967
    vp9_rd_pick_inter_mode_sb(cpi, x,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
                              recon_yoffset,
                              recon_uvoffset,
                              totalrate,
                              totaldist);
  }

  /* Restore L & A coding context to those in place on entry */
  vpx_memcpy (cm->left_context,
              left_context,
              sizeof(left_context));
  vpx_memcpy (initial_above_context_ptr,
              above_context,
              sizeof(above_context));
}
#endif

984
985
static void encode_sb(VP9_COMP *cpi,
                      VP9_COMMON *cm,
John Koleszar's avatar
John Koleszar committed
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
                      int mbrow,
                      int mbcol,
                      MACROBLOCK  *x,
                      MACROBLOCKD *xd,
                      TOKENEXTRA **tp) {
  int i;
  int map_index;
  int mb_row, mb_col;
  int recon_yoffset, recon_uvoffset;
  int ref_fb_idx = cm->lst_fb_idx;
  int dst_fb_idx = cm->new_fb_idx;
  int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
  int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
  int row_delta[4] = { 0, +1,  0, -1};
  int col_delta[4] = { +1, -1, +1, +1};

  mb_row = mbrow;
  mb_col = mbcol;

  /* Encode MBs in raster order within the SB */
  for (i = 0; i < 4; i++) {
    int dy = row_delta[i];
    int dx = col_delta[i];
    int offset_extended   = dy * xd->mode_info_stride + dx;
    int offset_unextended = dy * cm->mb_cols + dx;
Paul Wilkins's avatar
Paul Wilkins committed
1011
    MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025

    if ((mb_row >= cm->mb_rows) || (mb_col >= cm->mb_cols)) {
      // MB lies outside frame, move on
      mb_row += dy;
      mb_col += dx;

      x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
      x->src.u_buffer += 8  * (dx + dy * x->src.uv_stride);
      x->src.v_buffer += 8  * (dx + dy * x->src.uv_stride);

      x->gf_active_ptr      += offset_unextended;
      x->partition_info     += offset_extended;
      xd->mode_info_context += offset_extended;
      xd->prev_mode_info_context += offset_extended;
Adrian Grange's avatar
Adrian Grange committed
1026
1027

#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
1028
1029
      assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
             (xd->mode_info_context - cpi->common.mip));
Adrian Grange's avatar
Adrian Grange committed
1030
#endif
John Koleszar's avatar
John Koleszar committed
1031
1032
      continue;
    }
Adrian Grange's avatar
Adrian Grange committed
1033

John Koleszar's avatar
John Koleszar committed
1034
    xd->mb_index = i;
Adrian Grange's avatar
Adrian Grange committed
1035

John Koleszar's avatar
John Koleszar committed
1036
    // Restore MB state to that when it was picked
Adrian Grange's avatar
Adrian Grange committed
1037
#if CONFIG_SUPERBLOCKS
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1038
    if (xd->mode_info_context->mbmi.encoded_as_sb) {
John Koleszar's avatar
John Koleszar committed
1039
      update_state(cpi, x, &x->sb_context[i]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1040
1041
      cpi->sb_count++;
    } else
Adrian Grange's avatar
Adrian Grange committed
1042
#endif
John Koleszar's avatar
John Koleszar committed
1043
1044
1045
1046
1047
1048
1049
      update_state(cpi, x, &x->mb_context[i]);

    map_index = (mb_row * cpi->common.mb_cols) + mb_col;
    x->mb_activity_ptr = &cpi->mb_activity_map[map_index];

    // reset above block coeffs
    xd->above_context = cm->above_context + mb_col;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1050
    xd->left_context  = cm->left_context + (i >> 1);
John Koleszar's avatar
John Koleszar committed
1051
1052

    // Set up distance of MB to edge of the frame in 1/8th pel units
1053
1054
1055
1056
1057
    // Set up limit values for MV components to prevent them from
    // extending beyond the UMV borders assuming 32x32 block size
    x->mv_row_min = -((mb_row * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
    x->mv_col_min = -((mb_col * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);

John Koleszar's avatar
John Koleszar committed
1058
1059
1060
    xd->mb_to_top_edge    = -((mb_row * 16) << 3);
    xd->mb_to_left_edge   = -((mb_col * 16) << 3);

Adrian Grange's avatar
Adrian Grange committed
1061
#if CONFIG_SUPERBLOCKS
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1062
1063
    if (xd->mode_info_context->mbmi.encoded_as_sb) {
      x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
John Koleszar's avatar
John Koleszar committed
1064
                       (VP9BORDERINPIXELS - 32 - VP9_INTERP_EXTEND));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1065
      x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
John Koleszar's avatar
John Koleszar committed
1066
                       (VP9BORDERINPIXELS - 32 - VP9_INTERP_EXTEND));
1067
1068
1069

      xd->mb_to_bottom_edge = ((cm->mb_rows - 2 - mb_row) * 16) << 3;
      xd->mb_to_right_edge  = ((cm->mb_cols - 2 - mb_col) * 16) << 3;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1070
1071
1072
    } else {
#endif
      x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
John Koleszar's avatar
John Koleszar committed
1073
                       (VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1074
      x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
John Koleszar's avatar
John Koleszar committed
1075
                       (VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND));
1076
1077
1078

      xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
      xd->mb_to_right_edge  = ((cm->mb_cols - 1 - mb_col) * 16) <