vp9_encodeframe.c 84.5 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
John Koleszar's avatar
John Koleszar committed
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5 6
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
7
 *  in the file PATENTS.  All contributing project authors may
8
 *  be found in the AUTHORS file in the root of the source tree.
John Koleszar's avatar
John Koleszar committed
9 10 11 12
 */


#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 19 20
#include "vp9/common/vp9_extend.h"
#include "vp9/common/vp9_entropymode.h"
#include "vp9/common/vp9_quant_common.h"
21
#include "vp9/encoder/vp9_segmentation.h"
22 23
#include "vp9/common/vp9_setupintrarecon.h"
#include "vp9/common/vp9_reconintra4x4.h"
24
#include "vp9/encoder/vp9_encodeintra.h"
25 26
#include "vp9/common/vp9_reconinter.h"
#include "vp9/common/vp9_invtrans.h"
27
#include "vp9/encoder/vp9_rdopt.h"
28 29 30 31
#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"
32
#include "vp9_rtcd.h"
John Koleszar's avatar
John Koleszar committed
33
#include <stdio.h>
34
#include <math.h>
John Koleszar's avatar
John Koleszar committed
35 36
#include <limits.h>
#include "vpx_ports/vpx_timer.h"
37 38
#include "vp9/common/vp9_pred_common.h"
#include "vp9/common/vp9_mvref_common.h"
Paul Wilkins's avatar
Paul Wilkins committed
39

Yaowu Xu's avatar
Yaowu Xu committed
40
#define DBG_PRNT_SEGMAP 0
41

42
// #define ENC_DEBUG
43
#ifdef ENC_DEBUG
John Koleszar's avatar
John Koleszar committed
44
int enc_debug = 0;
45 46
#endif

47 48 49 50
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);
51

52 53 54
static void encode_superblock(VP9_COMP *cpi, MACROBLOCK *x,
                              TOKENEXTRA **t, int recon_yoffset,
                              int recon_uvoffset, int mb_col, int mb_row);
55

56
static void adjust_act_zbin(VP9_COMP *cpi, MACROBLOCK *x);
57

John Koleszar's avatar
John Koleszar committed
58
#ifdef MODE_STATS
59
unsigned int inter_y_modes[MB_MODE_COUNT];
60
unsigned int inter_uv_modes[VP9_UV_MODES];
61
unsigned int inter_b_modes[B_MODE_COUNT];
62 63 64 65
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];
66
unsigned int b_modes[B_MODE_COUNT];
John Koleszar's avatar
John Koleszar committed
67 68 69
#endif


70 71 72
/* 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
73
 *  vp9_activity_masking().
74
 */
75
#define VP9_ACTIVITY_AVG_MIN (64)
76 77 78 79 80 81

/* 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.
 */
82
static const unsigned char VP9_VAR_OFFS[16] = {
John Koleszar's avatar
John Koleszar committed
83
  128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128
84 85
};

86 87

// Original activity measure from Tim T's code.
88
static unsigned int tt_activity_measure(VP9_COMP *cpi, MACROBLOCK *x) {
John Koleszar's avatar
John Koleszar committed
89 90 91 92 93 94 95 96 97
  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.).
   */
98
  act = vp9_variance16x16(x->src.y_buffer, x->src.y_stride, VP9_VAR_OFFS, 0,
99
                          &sse);
John Koleszar's avatar
John Koleszar committed
100 101 102 103 104 105 106
  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;
107 108
}

109
// Stub for alternative experimental activity measures.
110
static unsigned int alt_activity_measure(VP9_COMP *cpi,
John Koleszar's avatar
John Koleszar committed
111
                                         MACROBLOCK *x, int use_dc_pred) {
112
  return vp9_encode_intra(cpi, x, use_dc_pred);
113 114 115 116 117
}


// Measure the activity of the current macroblock
// What we measure here is TBD so abstracted to this function
118
#define ALT_ACT_MEASURE 1
119
static unsigned int mb_activity_measure(VP9_COMP *cpi, MACROBLOCK *x,
John Koleszar's avatar
John Koleszar committed
120 121
                                        int mb_row, int mb_col) {
  unsigned int mb_activity;
122

John Koleszar's avatar
John Koleszar committed
123 124
  if (ALT_ACT_MEASURE) {
    int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
125

John Koleszar's avatar
John Koleszar committed
126 127 128 129 130 131
    // 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);
  }
132

133 134
  if (mb_activity < VP9_ACTIVITY_AVG_MIN)
    mb_activity = VP9_ACTIVITY_AVG_MIN;
135

John Koleszar's avatar
John Koleszar committed
136
  return mb_activity;
137 138 139
}

// Calculate an "average" mb activity value for the frame
140
#define ACT_MEDIAN 0
141
static void calc_av_activity(VP9_COMP *cpi, int64_t activity_sum) {
142
#if ACT_MEDIAN
John Koleszar's avatar
John Koleszar committed
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171
  // 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;
      }
    }
172

John Koleszar's avatar
John Koleszar committed
173 174 175
    // 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;
176

John Koleszar's avatar
John Koleszar committed
177
    cpi->activity_avg = median;
178

John Koleszar's avatar
John Koleszar committed
179 180
    vpx_free(sortlist);
  }
181
#else
John Koleszar's avatar
John Koleszar committed
182 183
  // Simple mean for now
  cpi->activity_avg = (unsigned int)(activity_sum / cpi->common.MBs);
184 185
#endif

186 187
  if (cpi->activity_avg < VP9_ACTIVITY_AVG_MIN)
    cpi->activity_avg = VP9_ACTIVITY_AVG_MIN;
188

John Koleszar's avatar
John Koleszar committed
189 190 191
  // Experimental code: return fixed value normalized for several clips
  if (ALT_ACT_MEASURE)
    cpi->activity_avg = 100000;
192 193
}

194
#define USE_ACT_INDEX   0
195
#define OUTPUT_NORM_ACT_STATS   0
196 197 198

#if USE_ACT_INDEX
// Calculate and activity index for each mb
199 200
static void calc_activity_index(VP9_COMP *cpi, MACROBLOCK *x) {
  VP9_COMMON *const cm = &cpi->common;
John Koleszar's avatar
John Koleszar committed
201
  int mb_row, mb_col;
202

John Koleszar's avatar
John Koleszar committed
203 204 205
  int64_t act;
  int64_t a;
  int64_t b;
206 207

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
208 209
  FILE *f = fopen("norm_act.stt", "a");
  fprintf(f, "\n%12d\n", cpi->activity_avg);
210 211
#endif

John Koleszar's avatar
John Koleszar committed
212 213
  // Reset pointers to start of activity map
  x->mb_activity_ptr = cpi->mb_activity_map;
214

John Koleszar's avatar
John Koleszar committed
215 216 217 218 219 220
  // 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);
221

John Koleszar's avatar
John Koleszar committed
222 223 224
      // Calculate a normalized activity number
      a = act + 4 * cpi->activity_avg;
      b = 4 * act + cpi->activity_avg;
225

John Koleszar's avatar
John Koleszar committed
226 227 228 229
      if (b >= a)
        *(x->activity_ptr) = (int)((b + (a >> 1)) / a) - 1;
      else
        *(x->activity_ptr) = 1 - (int)((a + (b >> 1)) / b);
230 231

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
232
      fprintf(f, " %6d", *(x->mb_activity_ptr));
233
#endif
John Koleszar's avatar
John Koleszar committed
234 235 236
      // Increment activity map pointers
      x->mb_activity_ptr++;
    }
237 238

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
239
    fprintf(f, "\n");
240 241
#endif

John Koleszar's avatar
John Koleszar committed
242
  }
243 244

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
245
  fclose(f);
246 247 248
#endif

}
249
#endif
250 251 252

// Loop through all MBs. Note activity of each, average activity and
// calculate a normalized activity for each
253
static void build_activity_map(VP9_COMP *cpi) {
John Koleszar's avatar
John Koleszar committed
254
  MACROBLOCK *const x = &cpi->mb;
John Koleszar's avatar
John Koleszar committed
255
  MACROBLOCKD *xd = &x->e_mbd;
256
  VP9_COMMON *const cm = &cpi->common;
257

258
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
259 260 261
  YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
  int recon_yoffset;
  int recon_y_stride = new_yv12->y_stride;
262 263
#endif

John Koleszar's avatar
John Koleszar committed
264 265 266
  int mb_row, mb_col;
  unsigned int mb_activity;
  int64_t activity_sum = 0;
267

John Koleszar's avatar
John Koleszar committed
268 269
  // for each macroblock row in image
  for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
270
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
271 272 273
    // reset above block coeffs
    xd->up_available = (mb_row != 0);
    recon_yoffset = (mb_row * recon_y_stride * 16);
274
#endif
John Koleszar's avatar
John Koleszar committed
275 276
    // for each macroblock col in image
    for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
277
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
278 279 280
      xd->dst.y_buffer = new_yv12->y_buffer + recon_yoffset;
      xd->left_available = (mb_col != 0);
      recon_yoffset += 16;
281
#endif
282
#if !CONFIG_SUPERBLOCKS
John Koleszar's avatar
John Koleszar committed
283
      // Copy current mb to a buffer
284
      vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
285
#endif
286

John Koleszar's avatar
John Koleszar committed
287 288
      // measure activity
      mb_activity = mb_activity_measure(cpi, x, mb_row, mb_col);
289

John Koleszar's avatar
John Koleszar committed
290 291
      // Keep frame sum
      activity_sum += mb_activity;
292

John Koleszar's avatar
John Koleszar committed
293 294
      // Store MB level activity details.
      *x->mb_activity_ptr = mb_activity;
295

John Koleszar's avatar
John Koleszar committed
296 297
      // Increment activity map pointer
      x->mb_activity_ptr++;
298

John Koleszar's avatar
John Koleszar committed
299 300 301
      // adjust to the next column of source macroblocks
      x->src.y_buffer += 16;
    }
302

303

John Koleszar's avatar
John Koleszar committed
304 305
    // adjust to the next row of mbs
    x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
306 307

#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
308
    // extend the recon for intra prediction
309
    vp9_extend_mb_row(new_yv12, xd->dst.y_buffer + 16,
John Koleszar's avatar
John Koleszar committed
310
                      xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
311 312
#endif

John Koleszar's avatar
John Koleszar committed
313
  }
314

John Koleszar's avatar
John Koleszar committed
315 316
  // Calculate an "average" MB activity
  calc_av_activity(cpi, activity_sum);
317

318
#if USE_ACT_INDEX
John Koleszar's avatar
John Koleszar committed
319 320
  // Calculate an activity index number of each mb
  calc_activity_index(cpi, x);
321 322
#endif

323 324
}

325
// Macroblock activity masking
326
void vp9_activity_masking(VP9_COMP *cpi, MACROBLOCK *x) {
327
#if USE_ACT_INDEX
John Koleszar's avatar
John Koleszar committed
328 329 330
  x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2);
  x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
  x->errorperbit += (x->errorperbit == 0);
331
#else
John Koleszar's avatar
John Koleszar committed
332 333 334
  int64_t a;
  int64_t b;
  int64_t act = *(x->mb_activity_ptr);
335

John Koleszar's avatar
John Koleszar committed
336 337 338
  // Apply the masking to the RD multiplier.
  a = act + (2 * cpi->activity_avg);
  b = (2 * act) + cpi->activity_avg;
339

John Koleszar's avatar
John Koleszar committed
340 341 342
  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);
343
#endif
344

John Koleszar's avatar
John Koleszar committed
345 346
  // Activity based Zbin adjustment
  adjust_act_zbin(cpi, x);
347
}
John Koleszar's avatar
John Koleszar committed
348

Deb Mukherjee's avatar
Deb Mukherjee committed
349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397
#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;

  cost = vp9_cost_mv_ref_id(xd->mb_mv_ref_id_probs[ref_frame], 0) +
         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
398
  for (i = 1; i < MAX_MV_REF_CANDIDATES; ++i) {
Deb Mukherjee's avatar
Deb Mukherjee committed
399 400
    // 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
401
    if (!mv_ref_list[i].as_int) {
Deb Mukherjee's avatar
Deb Mukherjee committed
402 403 404 405
      if (zero_seen)
        break;
      else
        zero_seen = TRUE;
Jim Bankoski's avatar
Jim Bankoski committed
406
    }
Deb Mukherjee's avatar
Deb Mukherjee committed
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

    // 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;
    }

    cost2 = vp9_cost_mv_ref_id(xd->mb_mv_ref_id_probs[ref_frame], i) +
            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
547 548 549 550 551 552 553 554 555 556
      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;

557
        if (mbmi->second_ref_frame > 0) {
Deb Mukherjee's avatar
Deb Mukherjee committed
558 559 560 561 562 563 564 565 566 567 568 569 570
          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;
        }
#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);
    }
571 572 573 574 575 576 577 578 579 580 581 582 583
#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];
      }
    }
584 585 586 587 588 589 590
    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]];
    }
591
#endif
Adrian Grange's avatar
Adrian Grange committed
592

John Koleszar's avatar
John Koleszar committed
593 594
    cpi->prediction_error += ctx->distortion;
    cpi->intra_error += ctx->intra_error;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
595

596 597 598
    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
599
  }
Adrian Grange's avatar
Adrian Grange committed
600 601
}

602 603
static void pick_mb_modes(VP9_COMP *cpi,
                          VP9_COMMON *cm,
John Koleszar's avatar
John Koleszar committed
604 605 606 607 608
                          int mb_row,
                          int mb_col,
                          MACROBLOCK  *x,
                          MACROBLOCKD *xd,
                          TOKENEXTRA **tp,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
609 610
                          int *totalrate,
                          int *totaldist) {
John Koleszar's avatar
John Koleszar committed
611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628
  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
629
             cm->left_context,
John Koleszar's avatar
John Koleszar committed
630 631 632 633 634 635 636 637 638 639 640
             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
641
    MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658

    // 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
659
#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
660 661
      assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
             (xd->mode_info_context - cpi->common.mip));
Adrian Grange's avatar
Adrian Grange committed
662
#endif
John Koleszar's avatar
John Koleszar committed
663 664
      continue;
    }
665

John Koleszar's avatar
John Koleszar committed
666 667 668 669 670 671 672 673 674 675 676
    // 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
677
    xd->left_context = cm->left_context + (i >> 1);
John Koleszar's avatar
John Koleszar committed
678 679 680 681 682 683 684 685 686

    // 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
687 688
    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
689
    x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
John Koleszar's avatar
John Koleszar committed
690
                     (VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND));
John Koleszar's avatar
John Koleszar committed
691
    x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
John Koleszar's avatar
John Koleszar committed
692
                     (VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND));
John Koleszar's avatar
John Koleszar committed
693 694 695 696 697 698 699 700 701 702 703

    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;

704
#if !CONFIG_SUPERBLOCKS
John Koleszar's avatar
John Koleszar committed
705
    // Copy current MB to a work buffer
706
    vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
707
#endif
John Koleszar's avatar
John Koleszar committed
708 709 710 711 712

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

    if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
713
      vp9_activity_masking(cpi, x);
John Koleszar's avatar
John Koleszar committed
714 715 716 717

    // 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
718
      if (xd->update_mb_segmentation_map)
Paul Wilkins's avatar
Paul Wilkins committed
719
        mbmi->segment_id = cpi->segmentation_map[map_index];
John Koleszar's avatar
John Koleszar committed
720
      else
Ronald S. Bultje's avatar
Ronald S. Bultje committed
721 722
        mbmi->segment_id = cm->last_frame_seg_map[map_index];
      if (mbmi->segment_id > 3)
Paul Wilkins's avatar
Paul Wilkins committed
723
        mbmi->segment_id = 0;
John Koleszar's avatar
John Koleszar committed
724

725
      vp9_mb_init_quantizer(cpi, x);
John Koleszar's avatar
John Koleszar committed
726 727
    } else
      // Set to Segment 0 by default
Paul Wilkins's avatar
Paul Wilkins committed
728
      mbmi->segment_id = 0;
John Koleszar's avatar
John Koleszar committed
729 730 731

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

Ronald S. Bultje's avatar
Ronald S. Bultje committed
732 733 734 735
#if CONFIG_SUPERBLOCKS
    xd->mode_info_context->mbmi.encoded_as_sb = 0;
#endif

John Koleszar's avatar
John Koleszar committed
736 737
    cpi->update_context = 0;    // TODO Do we need this now??

738
    vp9_intra_prediction_down_copy(xd);
739

740 741 742 743
#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
744 745 746
    // 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
747
      int r, d;
748 749 750 751
#ifdef ENC_DEBUG
      if (enc_debug)
        printf("intra pick_mb_modes %d %d\n", mb_row, mb_col);
#endif
752
      vp9_rd_pick_intra_mode(cpi, x, &r, &d);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
753 754
      *totalrate += r;
      *totaldist += d;
John Koleszar's avatar
John Koleszar committed
755 756

      // Dummy encode, do not do the tokenization
757 758
      encode_macroblock(cpi, x, tp,
                        recon_yoffset, recon_uvoffset, 0, mb_col, mb_row);
John Koleszar's avatar
John Koleszar committed
759
      // Note the encoder may have changed the segment_id
Ronald S. Bultje's avatar
Ronald S. Bultje committed
760 761 762 763

      // 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
764
    } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
765
      int seg_id, r, d;
John Koleszar's avatar
John Koleszar committed
766 767

      if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
768 769 770 771 772 773
          !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
774 775 776 777 778
        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;
      }

779 780
#ifdef ENC_DEBUG
      if (enc_debug)
781
        printf("inter pick_mb_modes %d %d\n", mb_row, mb_col);
782
#endif
783 784
      vp9_pick_mode_inter_macroblock(cpi, x, recon_yoffset,
                                     recon_uvoffset, &r, &d);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
785 786
      *totalrate += r;
      *totaldist += d;
John Koleszar's avatar
John Koleszar committed
787 788

      // Dummy encode, do not do the tokenization
789 790
      encode_macroblock(cpi, x, tp,
                        recon_yoffset, recon_uvoffset, 0, mb_col, mb_row);
John Koleszar's avatar
John Koleszar committed
791

Paul Wilkins's avatar
Paul Wilkins committed
792
      seg_id = mbmi->segment_id;
John Koleszar's avatar
John Koleszar committed
793 794 795 796
      if (cpi->mb.e_mbd.segmentation_enabled && seg_id == 0) {
        cpi->seg0_idx++;
      }
      if (!xd->segmentation_enabled ||
797 798 799 800 801
          !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
802
        // Get the prediction context and status
Paul Wilkins's avatar
Paul Wilkins committed
803 804
        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
805 806 807 808 809

        // Count prediction success
        cpi->ref_pred_count[pred_context][pred_flag]++;
      }
    }
Adrian Grange's avatar
Adrian Grange committed
810

John Koleszar's avatar
John Koleszar committed
811 812 813
    // Next MB
    mb_row += dy;
    mb_col += dx;
Adrian Grange's avatar
Adrian Grange committed
814

John Koleszar's avatar
John Koleszar committed
815 816 817
    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
818

John Koleszar's avatar
John Koleszar committed
819 820 821 822
    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
823 824

#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
825 826
    assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
           (xd->mode_info_context - cpi->common.mip));
Adrian Grange's avatar
Adrian Grange committed
827
#endif
John Koleszar's avatar
John Koleszar committed
828 829 830
  }

  /* Restore L & A coding context to those in place on entry */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
831
  vpx_memcpy(cm->left_context,
John Koleszar's avatar
John Koleszar committed
832 833 834 835 836
             left_context,
             sizeof(left_context));
  vpx_memcpy(initial_above_context_ptr,
             above_context,
             sizeof(above_context));
Adrian Grange's avatar
Adrian Grange committed
837 838
}

Ronald S. Bultje's avatar
Ronald S. Bultje committed
839
#if CONFIG_SUPERBLOCKS
840 841
static void pick_sb_modes (VP9_COMP *cpi,
                           VP9_COMMON *cm,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881
                           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);
882 883
  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
884 885 886

  /* 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
887 888
  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
889
  x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
John Koleszar's avatar
John Koleszar committed
890
                   (VP9BORDERINPIXELS - 32 - VP9_INTERP_EXTEND));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
891
  x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
John Koleszar's avatar
John Koleszar committed
892
                   (VP9BORDERINPIXELS - 32 - VP9_INTERP_EXTEND));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
893 894 895 896 897 898 899 900 901 902 903 904

  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 */
905
  vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
906 907 908 909
#endif
  x->rddiv = cpi->RDDIV;
  x->rdmult = cpi->RDMULT;
  if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
910
    vp9_activity_masking(cpi, x);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929
  /* 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;

930
    vp9_mb_init_quantizer(cpi, x);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
931 932 933 934 935 936
  }
  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
937

Ronald S. Bultje's avatar
Ronald S. Bultje committed
938 939 940 941 942 943
  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)
  {
944
    vp9_rd_pick_intra_mode_sb(cpi, x,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
945 946 947 948 949 950
                              totalrate,
                              totaldist);

    /* Save the coding context */
    vpx_memcpy(&x->sb_context[0].mic, xd->mode_info_context,
               sizeof(MODE_INFO));
951
  } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
952
    if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
953 954