vp9_encodeframe.c 88.7 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_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
#include "vp9/common/vp9_setupintrarecon.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
#include "vp9/common/vp9_findnearmv.h"
#include "vp9/common/vp9_reconintra.h"
#include "vp9/common/vp9_seg_common.h"
31
#include "vp9/common/vp9_tile_common.h"
32
#include "vp9/encoder/vp9_tokenize.h"
Yaowu Xu's avatar
Yaowu Xu committed
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

Dmitry Kovalev's avatar
Dmitry Kovalev committed
48
void vp9_select_interp_filter_type(VP9_COMP *cpi);
49

Ronald S. Bultje's avatar
Ronald S. Bultje committed
50
51
static void encode_macroblock(VP9_COMP *cpi, TOKENEXTRA **t,
                              int output_enabled, int mb_row, int mb_col);
52

Ronald S. Bultje's avatar
Ronald S. Bultje committed
53
54
55
56
57
static void encode_superblock32(VP9_COMP *cpi, TOKENEXTRA **t,
                                int output_enabled, int mb_row, int mb_col);

static void encode_superblock64(VP9_COMP *cpi, TOKENEXTRA **t,
                                int output_enabled, int mb_row, int mb_col);
58

59
static void adjust_act_zbin(VP9_COMP *cpi, MACROBLOCK *x);
60

John Koleszar's avatar
John Koleszar committed
61
#ifdef MODE_STATS
62
unsigned int inter_y_modes[MB_MODE_COUNT];
63
unsigned int inter_uv_modes[VP9_UV_MODES];
64
unsigned int inter_b_modes[B_MODE_COUNT];
65
66
67
68
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];
69
unsigned int b_modes[B_MODE_COUNT];
John Koleszar's avatar
John Koleszar committed
70
71
72
#endif


73
74
75
/* 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
76
 *  vp9_activity_masking().
77
 */
78
#define VP9_ACTIVITY_AVG_MIN (64)
79
80
81
82
83
84

/* 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.
 */
85
static const uint8_t VP9_VAR_OFFS[16] = {
John Koleszar's avatar
John Koleszar committed
86
  128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128
87
88
};

89
90

// Original activity measure from Tim T's code.
91
static unsigned int tt_activity_measure(VP9_COMP *cpi, MACROBLOCK *x) {
John Koleszar's avatar
John Koleszar committed
92
93
94
95
96
97
98
99
100
  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.).
   */
101
  act = vp9_variance16x16(x->src.y_buffer, x->src.y_stride, VP9_VAR_OFFS, 0,
102
                          &sse);
Dmitry Kovalev's avatar
Dmitry Kovalev committed
103
  act <<= 4;
John Koleszar's avatar
John Koleszar committed
104
105
106
107
108
109

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

  return act;
110
111
}

112
// Stub for alternative experimental activity measures.
113
static unsigned int alt_activity_measure(VP9_COMP *cpi,
John Koleszar's avatar
John Koleszar committed
114
                                         MACROBLOCK *x, int use_dc_pred) {
115
  return vp9_encode_intra(cpi, x, use_dc_pred);
116
117
118
119
120
}


// Measure the activity of the current macroblock
// What we measure here is TBD so abstracted to this function
121
#define ALT_ACT_MEASURE 1
122
static unsigned int mb_activity_measure(VP9_COMP *cpi, MACROBLOCK *x,
John Koleszar's avatar
John Koleszar committed
123
124
                                        int mb_row, int mb_col) {
  unsigned int mb_activity;
125

John Koleszar's avatar
John Koleszar committed
126
127
  if (ALT_ACT_MEASURE) {
    int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
128

John Koleszar's avatar
John Koleszar committed
129
130
131
132
133
134
    // 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);
  }
135

136
137
  if (mb_activity < VP9_ACTIVITY_AVG_MIN)
    mb_activity = VP9_ACTIVITY_AVG_MIN;
138

John Koleszar's avatar
John Koleszar committed
139
  return mb_activity;
140
141
142
}

// Calculate an "average" mb activity value for the frame
143
#define ACT_MEDIAN 0
144
static void calc_av_activity(VP9_COMP *cpi, int64_t activity_sum) {
145
#if ACT_MEDIAN
John Koleszar's avatar
John Koleszar committed
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
173
174
  // 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;
      }
    }
175

John Koleszar's avatar
John Koleszar committed
176
177
178
    // 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;
179

John Koleszar's avatar
John Koleszar committed
180
    cpi->activity_avg = median;
181

John Koleszar's avatar
John Koleszar committed
182
183
    vpx_free(sortlist);
  }
184
#else
John Koleszar's avatar
John Koleszar committed
185
186
  // Simple mean for now
  cpi->activity_avg = (unsigned int)(activity_sum / cpi->common.MBs);
187
188
#endif

189
190
  if (cpi->activity_avg < VP9_ACTIVITY_AVG_MIN)
    cpi->activity_avg = VP9_ACTIVITY_AVG_MIN;
191

John Koleszar's avatar
John Koleszar committed
192
193
194
  // Experimental code: return fixed value normalized for several clips
  if (ALT_ACT_MEASURE)
    cpi->activity_avg = 100000;
195
196
}

197
#define USE_ACT_INDEX   0
198
#define OUTPUT_NORM_ACT_STATS   0
199
200

#if USE_ACT_INDEX
201
// Calculate an activity index for each mb
202
203
static void calc_activity_index(VP9_COMP *cpi, MACROBLOCK *x) {
  VP9_COMMON *const cm = &cpi->common;
John Koleszar's avatar
John Koleszar committed
204
  int mb_row, mb_col;
205

John Koleszar's avatar
John Koleszar committed
206
207
208
  int64_t act;
  int64_t a;
  int64_t b;
209
210

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
211
212
  FILE *f = fopen("norm_act.stt", "a");
  fprintf(f, "\n%12d\n", cpi->activity_avg);
213
214
#endif

John Koleszar's avatar
John Koleszar committed
215
216
  // Reset pointers to start of activity map
  x->mb_activity_ptr = cpi->mb_activity_map;
217

John Koleszar's avatar
John Koleszar committed
218
219
220
221
222
223
  // 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);
224

John Koleszar's avatar
John Koleszar committed
225
226
227
      // Calculate a normalized activity number
      a = act + 4 * cpi->activity_avg;
      b = 4 * act + cpi->activity_avg;
228

John Koleszar's avatar
John Koleszar committed
229
230
231
232
      if (b >= a)
        *(x->activity_ptr) = (int)((b + (a >> 1)) / a) - 1;
      else
        *(x->activity_ptr) = 1 - (int)((a + (b >> 1)) / b);
233
234

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
235
      fprintf(f, " %6d", *(x->mb_activity_ptr));
236
#endif
John Koleszar's avatar
John Koleszar committed
237
238
239
      // Increment activity map pointers
      x->mb_activity_ptr++;
    }
240
241

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
242
    fprintf(f, "\n");
243
244
#endif

John Koleszar's avatar
John Koleszar committed
245
  }
246
247

#if OUTPUT_NORM_ACT_STATS
John Koleszar's avatar
John Koleszar committed
248
  fclose(f);
249
250
251
#endif

}
252
#endif
253
254
255

// Loop through all MBs. Note activity of each, average activity and
// calculate a normalized activity for each
256
static void build_activity_map(VP9_COMP *cpi) {
John Koleszar's avatar
John Koleszar committed
257
  MACROBLOCK *const x = &cpi->mb;
John Koleszar's avatar
John Koleszar committed
258
  MACROBLOCKD *xd = &x->e_mbd;
259
  VP9_COMMON *const cm = &cpi->common;
260

261
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
262
263
264
  YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
  int recon_yoffset;
  int recon_y_stride = new_yv12->y_stride;
265
266
#endif

John Koleszar's avatar
John Koleszar committed
267
268
269
  int mb_row, mb_col;
  unsigned int mb_activity;
  int64_t activity_sum = 0;
270

271
272
  x->mb_activity_ptr = cpi->mb_activity_map;

John Koleszar's avatar
John Koleszar committed
273
274
  // for each macroblock row in image
  for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
275
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
276
277
278
    // reset above block coeffs
    xd->up_available = (mb_row != 0);
    recon_yoffset = (mb_row * recon_y_stride * 16);
279
#endif
John Koleszar's avatar
John Koleszar committed
280
281
    // for each macroblock col in image
    for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
282
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
283
284
285
      xd->dst.y_buffer = new_yv12->y_buffer + recon_yoffset;
      xd->left_available = (mb_col != 0);
      recon_yoffset += 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
            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

431
static void update_state(VP9_COMP *cpi,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
432
433
434
                         PICK_MODE_CONTEXT *ctx, int block_size,
                         int output_enabled) {
  int i, x_idx, y;
435
436
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
John Koleszar's avatar
John Koleszar committed
437
  MODE_INFO *mi = &ctx->mic;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
438
  MB_MODE_INFO *const mbmi = &xd->mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
439
440
  int mb_mode = mi->mbmi.mode;
  int mb_mode_index = ctx->best_mode_index;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
441
442
  const int mis = cpi->common.mode_info_stride;
  int mb_block_size = 1 << mi->mbmi.sb_type;
Adrian Grange's avatar
Adrian Grange committed
443
444

#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
445
446
447
  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
448
#endif
Ronald S. Bultje's avatar
Ronald S. Bultje committed
449
  assert(mi->mbmi.sb_type == (block_size >> 5));
Adrian Grange's avatar
Adrian Grange committed
450

John Koleszar's avatar
John Koleszar committed
451
452
  // Restore the coding context of the MB to that that was in place
  // when the mode was picked for it
Ronald S. Bultje's avatar
Ronald S. Bultje committed
453
454
455
456
457
458
459
460
  for (y = 0; y < mb_block_size; y++) {
    for (x_idx = 0; x_idx < mb_block_size; x_idx++) {
      if ((xd->mb_to_right_edge >> 7) + mb_block_size > x_idx &&
          (xd->mb_to_bottom_edge >> 7) + mb_block_size > y) {
        MODE_INFO *mi_addr = xd->mode_info_context + x_idx + y * mis;

        vpx_memcpy(mi_addr, mi, sizeof(MODE_INFO));
      }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
461
    }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
462
463
  }
  if (block_size == 16) {
464
    ctx->txfm_rd_diff[ALLOW_32X32] = ctx->txfm_rd_diff[ALLOW_16X16];
Ronald S. Bultje's avatar
Ronald S. Bultje committed
465
  }
Adrian Grange's avatar
Adrian Grange committed
466

John Koleszar's avatar
John Koleszar committed
467
468
469
  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
470
      assert(xd->block[i].bmi.as_mode.first < B_MODE_COUNT);
Adrian Grange's avatar
Adrian Grange committed
471
    }
John Koleszar's avatar
John Koleszar committed
472
473
474
  } 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
475
    }
John Koleszar's avatar
John Koleszar committed
476
477
478
479
  } else if (mb_mode == SPLITMV) {
    vpx_memcpy(x->partition_info, &ctx->partition_info,
               sizeof(PARTITION_INFO));

480
481
    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
482
483
  }

484
  x->skip = ctx->skip;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
485
486
487
  if (!output_enabled)
    return;

488
489
  {
    int segment_id = mbmi->segment_id;
Paul Wilkins's avatar
Paul Wilkins committed
490
    if (!vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)) {
491
492
493
494
495
496
      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
497
498
499
500
501
502
503
504
505
  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);
    //    }
506
#if CONFIG_INTERNAL_STATS
John Koleszar's avatar
John Koleszar committed
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
    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]]++;
522
#endif
John Koleszar's avatar
John Koleszar committed
523
524
525
526
527
528
529
  } 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
530

John Koleszar's avatar
John Koleszar committed
531
532
533
534
535
536
537
538
                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
539

John Koleszar's avatar
John Koleszar committed
540
541
542
543
            }
    */
    // Note how often each mode chosen as best
    cpi->mode_chosen_counts[mb_mode_index]++;
Deb Mukherjee's avatar
Deb Mukherjee committed
544
545
546
    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
547
548
#if CONFIG_NEW_MVREF
      unsigned int best_index;
Deb Mukherjee's avatar
Deb Mukherjee committed
549
      MV_REFERENCE_FRAME sec_ref_frame = mbmi->second_ref_frame;
Jim Bankoski's avatar
Jim Bankoski committed
550
#endif
Deb Mukherjee's avatar
Deb Mukherjee committed
551
552
553
554
555
556
557
558
559
      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;
560
        ++cpi->mb_mv_ref_count[rf][best_index];
Deb Mukherjee's avatar
Deb Mukherjee committed
561

562
        if (mbmi->second_ref_frame > 0) {
Deb Mukherjee's avatar
Deb Mukherjee committed
563
564
565
566
567
568
          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;
569
          ++cpi->mb_mv_ref_count[sec_ref_frame][best_index];
Deb Mukherjee's avatar
Deb Mukherjee committed
570
571
572
573
574
575
576
        }
#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);
    }
577
578
579
580
581
582
583
584
585
586
587
588
589
#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];
      }
    }
590
#endif
591
592
593
594
595
596
597
    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
598

599
600
601
    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
602
  }
Adrian Grange's avatar
Adrian Grange committed
603
604
}

Ronald S. Bultje's avatar
Ronald S. Bultje committed
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
static unsigned find_seg_id(uint8_t *buf, int block_size,
                            int start_y, int height, int start_x, int width) {
  const int end_x = MIN(start_x + block_size, width);
  const int end_y = MIN(start_y + block_size, height);
  int x, y;
  unsigned seg_id = -1;

  buf += width * start_y;
  for (y = start_y; y < end_y; y++, buf += width) {
    for (x = start_x; x < end_x; x++) {
      seg_id = MIN(seg_id, buf[x]);
    }
  }

  return seg_id;
}

static void set_offsets(VP9_COMP *cpi,
623
                        int mb_row, int mb_col, int block_size) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
  MACROBLOCK *const x = &cpi->mb;
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCKD *const xd = &x->e_mbd;
  MB_MODE_INFO *mbmi;
  const int dst_fb_idx = cm->new_fb_idx;
  const int idx_map = mb_row * cm->mb_cols + mb_col;
  const int idx_str = xd->mode_info_stride * mb_row + mb_col;

  // entropy context structures
  xd->above_context = cm->above_context + mb_col;
  xd->left_context  = cm->left_context + (mb_row & 3);

  // GF active flags data structure
  x->gf_active_ptr = (signed char *)&cpi->gf_active_flags[idx_map];

  // Activity map pointer
  x->mb_activity_ptr = &cpi->mb_activity_map[idx_map];
  x->active_ptr = cpi->active_map + idx_map;

  /* pointers to mode info contexts */
  x->partition_info          = x->pi + idx_str;
  xd->mode_info_context      = cm->mi + idx_str;
  mbmi = &xd->mode_info_context->mbmi;
  xd->prev_mode_info_context = cm->prev_mi + idx_str;

  // Set up destination pointers
650
651
  setup_pred_block(&xd->dst,
                   &cm->yv12_fb[dst_fb_idx],
652
                   mb_row, mb_col, NULL, NULL);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
653
654
655
656
657
658
659
660
661
662
663
664
665

  /* Set up limit values for MV components to prevent them from
   * extending beyond the UMV borders assuming 16x16 block size */
  x->mv_row_min = -((mb_row * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
  x->mv_col_min = -((mb_col * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
  x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
                   (VP9BORDERINPIXELS - block_size - VP9_INTERP_EXTEND));
  x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
                   (VP9BORDERINPIXELS - block_size - VP9_INTERP_EXTEND));

  // Set up distance of MB to edge of frame in 1/8th pel units
  block_size >>= 4;  // in macroblock units
  assert(!(mb_col & (block_size - 1)) && !(mb_row & (block_size - 1)));
666
667
  set_mb_row(cm, xd, mb_row, block_size);
  set_mb_col(cm, xd, mb_col, block_size);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
668
669

  /* set up source buffers */
670
  setup_pred_block(&x->src, cpi->Source, mb_row, mb_col, NULL, NULL);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700

  /* R/D setup */
  x->rddiv = cpi->RDDIV;
  x->rdmult = cpi->RDMULT;

  /* segment ID */
  if (xd->segmentation_enabled) {
    if (xd->update_mb_segmentation_map) {
      mbmi->segment_id = find_seg_id(cpi->segmentation_map, block_size,
                                     mb_row, cm->mb_rows, mb_col, cm->mb_cols);
    } else {
      mbmi->segment_id = find_seg_id(cm->last_frame_seg_map, block_size,
                                     mb_row, cm->mb_rows, mb_col, cm->mb_cols);
    }
    assert(mbmi->segment_id <= 3);
    vp9_mb_init_quantizer(cpi, x);

    if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
        !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) {
      cpi->seg0_progress = (cpi->seg0_idx << 16) / cpi->seg0_cnt;
    } else {
      const int y = mb_row & ~3;
      const int x = mb_col & ~3;
      const int p16 = ((mb_row & 1) << 1) +  (mb_col & 1);
      const int p32 = ((mb_row & 2) << 2) + ((mb_col & 2) << 1);
701
702
      const int tile_progress = cm->cur_tile_mb_col_start * cm->mb_rows;
      const int mb_cols = cm->cur_tile_mb_col_end - cm->cur_tile_mb_col_start;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
703
704

      cpi->seg0_progress =
705
          ((y * mb_cols + x * 4 + p32 + p16 + tile_progress) << 16) / cm->MBs;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
706
707
708
709
710
711
    }
  } else {
    mbmi->segment_id = 0;
  }
}

712
static int pick_mb_modes(VP9_COMP *cpi,
713
714
                         int mb_row0,
                         int mb_col0,
715
716
717
                         TOKENEXTRA **tp,
                         int *totalrate,
                         int *totaldist) {
718
719
720
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
John Koleszar's avatar
John Koleszar committed
721
  int i;
722
  int splitmodes_used = 0;
John Koleszar's avatar
John Koleszar committed
723
724
725
  ENTROPY_CONTEXT_PLANES left_context[2];
  ENTROPY_CONTEXT_PLANES above_context[2];
  ENTROPY_CONTEXT_PLANES *initial_above_context_ptr = cm->above_context
726
                                                      + mb_col0;
John Koleszar's avatar
John Koleszar committed
727
728
729

  /* Function should not modify L & A contexts; save and restore on exit */
  vpx_memcpy(left_context,
730
             cm->left_context + (mb_row0 & 2),
John Koleszar's avatar
John Koleszar committed
731
732
733
734
735
736
737
             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++) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
738
    const int x_idx = i & 1, y_idx = i >> 1;
739
740
    const int mb_row = mb_row0 + y_idx;
    const int mb_col = mb_col0 + x_idx;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
741
    MB_MODE_INFO *mbmi;
John Koleszar's avatar
John Koleszar committed
742

743
    if ((mb_row >= cm->mb_rows) || (mb_col >= cm->mb_cols)) {
John Koleszar's avatar
John Koleszar committed
744
745
746
      // MB lies outside frame, move on
      continue;
    }
747

John Koleszar's avatar
John Koleszar committed
748
749
    // Index of the MB in the SB 0..3
    xd->mb_index = i;
750
    set_offsets(cpi, mb_row, mb_col, 16);
John Koleszar's avatar
John Koleszar committed
751
752

    if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
753
      vp9_activity_masking(cpi, x);
John Koleszar's avatar
John Koleszar committed
754

Ronald S. Bultje's avatar
Ronald S. Bultje committed
755
756
    mbmi = &xd->mode_info_context->mbmi;
    mbmi->sb_type = BLOCK_SIZE_MB16X16;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
757

John Koleszar's avatar
John Koleszar committed
758
759
760
    // 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
761
      int r, d;
762
#if 0  // ENC_DEBUG
763
764
765
      if (enc_debug)
        printf("intra pick_mb_modes %d %d\n", mb_row, mb_col);
#endif
766
      vp9_rd_pick_intra_mode(cpi, x, &r, &d);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
767
768
      *totalrate += r;
      *totaldist += d;
John Koleszar's avatar
John Koleszar committed
769
770

      // Dummy encode, do not do the tokenization
771
772
      encode_macroblock(cpi, tp, 0, mb_row, mb_col);

John Koleszar's avatar
John Koleszar committed
773
      // Note the encoder may have changed the segment_id
Ronald S. Bultje's avatar
Ronald S. Bultje committed
774
775

      // Save the coding context
Ronald S. Bultje's avatar
Ronald S. Bultje committed
776
      vpx_memcpy(&x->mb_context[xd->sb_index][i].mic, xd->mode_info_context,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
777
                 sizeof(MODE_INFO));
John Koleszar's avatar
John Koleszar committed
778
    } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
779
      int seg_id, r, d;
John Koleszar's avatar
John Koleszar committed
780

781
#if 0  // ENC_DEBUG
782
      if (enc_debug)
783
        printf("inter pick_mb_modes %d %d\n", mb_row, mb_col);
784
#endif
785
      vp9_pick_mode_inter_macroblock(cpi, x, mb_row, mb_col, &r, &d);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
786
787
      *totalrate += r;
      *totaldist += d;
John Koleszar's avatar
John Koleszar committed
788

789
790
      splitmodes_used += (mbmi->mode == SPLITMV);

John Koleszar's avatar
John Koleszar committed
791
      // Dummy encode, do not do the tokenization
792
      encode_macroblock(cpi, tp, 0, mb_row, mb_col);
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
812
813
814

        // Count prediction success
        cpi->ref_pred_count[pred_context][pred_flag]++;
      }
    }
  }

  /* Restore L & A coding context to those in place on entry */
815
  vpx_memcpy(cm->left_context + (mb_row0 & 2),
John Koleszar's avatar
John Koleszar committed
816
817
818
819
820
             left_context,
             sizeof(left_context));
  vpx_memcpy(initial_above_context_ptr,
             above_context,
             sizeof(above_context));
821
822

  return splitmodes_used;
Adrian Grange's avatar
Adrian Grange committed
823
824
}

Ronald S. Bultje's avatar
Ronald S. Bultje committed
825
826
827
828
829
830
static void pick_sb_modes(VP9_COMP *cpi,
                          int mb_row,
                          int mb_col,
                          TOKENEXTRA **tp,
                          int *totalrate,
                          int *totaldist) {
831
832
833
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
834

835
  set_offsets(cpi, mb_row, mb_col, 32);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
836
837
  xd->mode_info_context->mbmi.sb_type = BLOCK_SIZE_SB32X32;
  if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
838
    vp9_activity_masking(cpi, x);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
839
840
841

  /* Find best coding mode & reconstruct the MB so it is available
   * as a predictor for MBs that follow in the SB */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
842
843
844
845
  if (cm->frame_type == KEY_FRAME) {
    vp9_rd_pick_intra_mode_sb32(cpi, x,
                                totalrate,
                                totaldist);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
846
847

    /* Save the coding context */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
848
    vpx_memcpy(&x->sb32_context[xd->sb_index].mic, xd->mode_info_context,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
849
               sizeof(MODE_INFO));
850
  } else {
851
    vp9_rd_pick_inter_mode_sb32(cpi, x, mb_row, mb_col, totalrate, totaldist);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
852
853
854
  }
}

Ronald S. Bultje's avatar
Ronald S. Bultje committed
855
856
857
858
859
860
static void pick_sb64_modes(VP9_COMP *cpi,
                            int mb_row,
                            int mb_col,
                            TOKENEXTRA **tp,
                            int *totalrate,
                            int *totaldist) {
861
862
863
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
John Koleszar's avatar
John Koleszar committed
864

865
  set_offsets(cpi, mb_row, mb_col, 64);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
866
867
868
  xd->mode_info_context->mbmi.sb_type = BLOCK_SIZE_SB64X64;
  if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
    vp9_activity_masking(cpi, x);
John Koleszar's avatar
John Koleszar committed
869

Ronald S. Bultje's avatar
Ronald S. Bultje committed
870
871
872
  /* 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) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
873
    vp9_rd_pick_intra_mode_sb64(cpi, x, totalrate, totaldist);
Adrian Grange's avatar
Adrian Grange committed
874

Ronald S. Bultje's avatar
Ronald S. Bultje committed
875
    /* Save the coding context */
Dmitry Kovalev's avatar
Dmitry Kovalev committed
876
    vpx_memcpy(&x->sb64_context.mic, xd->mode_info_context, sizeof(MODE_INFO));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
877
  } else {
878
    vp9_rd_pick_inter_mode_sb64(cpi, x, mb_row, mb_col, totalrate, totaldist);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
879
880
  }
}
Adrian Grange's avatar
Adrian Grange committed
881

882
static void update_stats(VP9_COMP *cpi, int mb_row, int mb_col) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
883
884
885
886
887
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
  MODE_INFO *mi = xd->mode_info_context;
  MB_MODE_INFO *const mbmi = &mi->mbmi;
Adrian Grange's avatar
Adrian Grange committed
888

Ronald S. Bultje's avatar
Ronald S. Bultje committed
889
890
891
  if (cm->frame_type == KEY_FRAME) {
#ifdef MODE_STATS
    y_modes[mbmi->mode]++;
Adrian Grange's avatar
Adrian Grange committed
892
#endif
Ronald S. Bultje's avatar
Ronald S. Bultje committed
893
894
  } else {
    int segment_id, seg_ref_active;
John Koleszar's avatar
John Koleszar committed
895

Ronald S. Bultje's avatar
Ronald S. Bultje committed
896
897
    if (mbmi->ref_frame) {
      int pred_context = vp9_get_pred_context(cm, xd, PRED_COMP);
898

Ronald S. Bultje's avatar
Ronald S. Bultje committed
899
900
901
902
      if (mbmi->second_ref_frame <= INTRA_FRAME)
        cpi->single_pred_count[pred_context]++;
      else
        cpi->comp_pred_count[pred_context]++;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
903
    }
Adrian Grange's avatar
Adrian Grange committed
904

Ronald S. Bultje's avatar
Ronald S. Bultje committed
905
906
#ifdef MODE_STATS
    inter_y_modes[mbmi->mode]++;
Adrian Grange's avatar
Adrian Grange committed
907

Ronald S. Bultje's avatar
Ronald S. Bultje committed
908
909
    if (mbmi->mode == SPLITMV) {
      int b;
John Koleszar's avatar
John Koleszar committed
910

Ronald S. Bultje's avatar
Ronald S. Bultje committed
911
912
913
914
      for (b = 0; b < x->partition_info->count; b++) {
        inter_b_modes[x->partition_info->bmi[b].mode]++;
      }
    }
915
#endif
916

Ronald S. Bultje's avatar
Ronald S. Bultje committed
917
918
919
920
921
922
923
924
925
926
927
928
929
930
    // If we have just a single reference frame coded for a segment then
    // exclude from the reference frame counts used to work out
    // probabilities. NOTE: At the moment we dont support custom trees
    // for the reference frame coding for each segment but this is a
    // possible future action.
    segment_id = mbmi->segment_id;
    seg_ref_active = vp9_segfeature_active(xd, segment_id,
                                           SEG_LVL_REF_FRAME);
    if (!seg_ref_active ||
        ((vp9_check_segref(xd, segment_id, INTRA_FRAME) +
          vp9_check_segref(xd, segment_id, LAST_FRAME) +
          vp9_check_segref(xd, segment_id, GOLDEN_FRAME) +
          vp9_check_segref(xd, segment_id, ALTREF_FRAME)) > 1)) {
      cpi->count_mb_ref_frame_usage[mbmi->ref_frame]++;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
931
    }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
932
933
934
935
    // Count of last ref frame 0,0 usage
    if ((mbmi->mode == ZEROMV) && (mbmi->ref_frame == LAST_FRAME))
      cpi->inter_zz_count++;
  }
936
937
938
#if CONFIG_CODE_NONZEROCOUNT
  vp9_update_nzc_counts(&cpi->common, xd, mb_row, mb_col);
#endif
Ronald S. Bultje's avatar
Ronald S. Bultje committed
939
}
John Koleszar's avatar
John Koleszar committed
940

Ronald S. Bultje's avatar
Ronald S. Bultje committed
941
942
943
944
945
static void encode_sb(VP9_COMP *cpi,
                      int mb_row,
                      int mb_col,
                      int output_enabled,
                      TOKENEXTRA **tp, int is_sb) {
946
947
948
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
John Koleszar's avatar
John Koleszar committed
949

Ronald S. Bultje's avatar
Ronald S. Bultje committed
950
951
  cpi->sb32_count[is_sb]++;
  if (is_sb) {
952
    set_offsets(cpi, mb_row, mb_col, 32);
953
    update_state(cpi, &x->sb32_context[xd->sb_index], 32, output_enabled);
954

955
    encode_superblock32(cpi, tp,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
956
                        output_enabled, mb_row, mb_col);
957
958
959
    if (output_enabled) {
      update_stats(cpi, mb_row, mb_col);
    }
960

Ronald S. Bultje's avatar
Ronald S. Bultje committed
961
962
963
964
965
966
    if (output_enabled) {
      (*tp)->Token = EOSB_TOKEN;
      (*tp)++;
      if (mb_row < cm->mb_rows)
        cpi->tplist[mb_row].stop = *tp;
    }
967
  } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
968
    int i;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
969

Ronald S. Bultje's avatar
Ronald S. Bultje committed
970
971
    for (i = 0; i < 4; i++) {
      const int x_idx = i & 1, y_idx = i >> 1;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
972

Ronald S. Bultje's avatar
Ronald S. Bultje committed
973
974
975
      if ((mb_row + y_idx >= cm->mb_rows) || (mb_col + x_idx >= cm->mb_cols)) {
        // MB lies outside frame, move on
        continue;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
976
977
      }

978
      set_offsets(cpi, mb_row + y_idx, mb_col + x_idx, 16);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
979
      xd->mb_index = i;
980
      update_state(cpi, &x->mb_context[xd->sb_index][i], 16, output_enabled);
John Koleszar's avatar
John Koleszar committed
981

Ronald S. Bultje's avatar
Ronald S. Bultje committed
982
983
      if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
        vp9_activity_masking(cpi, x);
John Koleszar's avatar
John Koleszar committed
984

985
      encode_macroblock(cpi, tp,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
986
                        output_enabled, mb_row + y_idx, mb_col + x_idx);
987
988
989
      if (output_enabled) {
        update_stats(cpi, mb_row + y_idx, mb_col + x_idx);
      }
Deb Mukherjee's avatar
Deb Mukherjee committed
990

Ronald S. Bultje's avatar
Ronald S. Bultje committed
991
992
      if (output_enabled) {
        (*tp)->Token = EOSB_TOKEN;
993
       (*tp)++;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
994
995
996
        if (mb_row + y_idx < cm->mb_rows)
          cpi->tplist[mb_row + y_idx].stop = *tp;
      }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
997
    }
John Koleszar's avatar
John Koleszar committed
998
  }
John Koleszar's avatar
John Koleszar committed
999

John Koleszar's avatar
John Koleszar committed
1000
  // debug output
Adrian Grange's avatar
Adrian Grange committed
1001
#if DBG_PRNT_SEGMAP
John Koleszar's avatar
John Koleszar committed
1002
1003
1004
1005
1006
1007
  {
    FILE *statsfile;
    statsfile = fopen("segmap2.stt", "a");
    fprintf(statsfile, "\n");
    fclose(statsfile);
  }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1008
1009
1010
1011
1012
1013
1014
#endif
}

static void encode_sb64(VP9_COMP *cpi,
                        int mb_row,
                        int mb_col,
                        TOKENEXTRA **tp, int is_sb[4]) {
1015
1016
1017
1018
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;

Ronald S. Bultje's avatar
Ronald S. Bultje committed
1019
1020
  cpi->sb64_count[is_sb[0] == 2]++;
  if (is_sb[0] == 2) {
1021
    set_offsets(cpi, mb_row, mb_col, 64);
1022
    update_state(cpi, &x->sb64_context, 64, 1);
1023
    encode_superblock64(cpi, tp,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1024
                        1, mb_row, mb_col);
1025
    update_stats(cpi, mb_row, mb_col);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042