vp9_encodeframe.c 77.6 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
John Koleszar's avatar
John Koleszar committed
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5 6
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
7
 *  in the file PATENTS.  All contributing project authors may
8
 *  be found in the AUTHORS file in the root of the source tree.
John Koleszar's avatar
John Koleszar committed
9 10 11
 */


12
#include "./vpx_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

53 54 55
static void encode_superblock(VP9_COMP *cpi, TOKENEXTRA **t,
                              int output_enabled, int mb_row, int mb_col,
                              BLOCK_SIZE_TYPE bsize);
56

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

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


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

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

87 88

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

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

  return act;
108 109
}

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


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

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

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

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

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

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

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

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


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

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

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

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

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

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

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

#if USE_ACT_INDEX
199
// Calculate an activity index for each mb
200 201
static void calc_activity_index(VP9_COMP *cpi, MACROBLOCK *x) {
  VP9_COMMON *const cm = &cpi->common;
John Koleszar's avatar
John Koleszar committed
202
  int mb_row, mb_col;
203

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

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

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

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

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

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

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

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

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

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

}
250
#endif
251 252 253

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

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

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

269 270
  x->mb_activity_ptr = cpi->mb_activity_map;

John Koleszar's avatar
John Koleszar committed
271 272
  // for each macroblock row in image
  for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
273
#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
274 275 276
    // reset above block coeffs
    xd->up_available = (mb_row != 0);
    recon_yoffset = (mb_row * recon_y_stride * 16);
277
#endif
John Koleszar's avatar
John Koleszar committed
278 279
    // for each macroblock col in image
    for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
280
#if ALT_ACT_MEASURE
281
      xd->plane[0].dst.buf = new_yv12->y_buffer + recon_yoffset;
John Koleszar's avatar
John Koleszar committed
282 283
      xd->left_available = (mb_col != 0);
      recon_yoffset += 16;
284
#endif
285

John Koleszar's avatar
John Koleszar committed
286 287
      // measure activity
      mb_activity = mb_activity_measure(cpi, x, mb_row, mb_col);
288

John Koleszar's avatar
John Koleszar committed
289 290
      // Keep frame sum
      activity_sum += mb_activity;
291

John Koleszar's avatar
John Koleszar committed
292 293
      // Store MB level activity details.
      *x->mb_activity_ptr = mb_activity;
294

John Koleszar's avatar
John Koleszar committed
295 296
      // Increment activity map pointer
      x->mb_activity_ptr++;
297

John Koleszar's avatar
John Koleszar committed
298
      // adjust to the next column of source macroblocks
John Koleszar's avatar
John Koleszar committed
299
      x->plane[0].src.buf += 16;
John Koleszar's avatar
John Koleszar committed
300
    }
301

302

John Koleszar's avatar
John Koleszar committed
303
    // adjust to the next row of mbs
John Koleszar's avatar
John Koleszar committed
304
    x->plane[0].src.buf += 16 * x->plane[0].src.stride - 16 * cm->mb_cols;
305 306

#if ALT_ACT_MEASURE
John Koleszar's avatar
John Koleszar committed
307
    // extend the recon for intra prediction
308 309
    vp9_extend_mb_row(new_yv12, xd->plane[0].dst.buf + 16,
                      xd->plane[1].dst.buf + 8, xd->plane[2].dst.buf + 8);
310 311
#endif

John Koleszar's avatar
John Koleszar committed
312
  }
313

John Koleszar's avatar
John Koleszar committed
314 315
  // Calculate an "average" MB activity
  calc_av_activity(cpi, activity_sum);
316

317
#if USE_ACT_INDEX
John Koleszar's avatar
John Koleszar committed
318 319
  // Calculate an activity index number of each mb
  calc_activity_index(cpi, x);
320 321
#endif

322 323
}

324
// Macroblock activity masking
325
void vp9_activity_masking(VP9_COMP *cpi, MACROBLOCK *x) {
326
#if USE_ACT_INDEX
John Koleszar's avatar
John Koleszar committed
327 328 329
  x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2);
  x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
  x->errorperbit += (x->errorperbit == 0);
330
#else
John Koleszar's avatar
John Koleszar committed
331 332 333
  int64_t a;
  int64_t b;
  int64_t act = *(x->mb_activity_ptr);
334

John Koleszar's avatar
John Koleszar committed
335 336 337
  // Apply the masking to the RD multiplier.
  a = act + (2 * cpi->activity_avg);
  b = (2 * act) + cpi->activity_avg;
338

John Koleszar's avatar
John Koleszar committed
339 340 341
  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);
342
#endif
343

John Koleszar's avatar
John Koleszar committed
344 345
  // Activity based Zbin adjustment
  adjust_act_zbin(cpi, x);
346
}
John Koleszar's avatar
John Koleszar committed
347

348
static void update_state(VP9_COMP *cpi,
349 350
                         PICK_MODE_CONTEXT *ctx,
                         BLOCK_SIZE_TYPE bsize,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
351 352
                         int output_enabled) {
  int i, x_idx, y;
353
  VP9_COMMON *const cm = &cpi->common;
354 355
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
John Koleszar's avatar
John Koleszar committed
356
  MODE_INFO *mi = &ctx->mic;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
357
  MB_MODE_INFO *const mbmi = &xd->mode_info_context->mbmi;
John Koleszar's avatar
John Koleszar committed
358 359
  int mb_mode = mi->mbmi.mode;
  int mb_mode_index = ctx->best_mode_index;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
360
  const int mis = cpi->common.mode_info_stride;
361
  const int bh = 1 << mb_height_log2(bsize), bw = 1 << mb_width_log2(bsize);
Adrian Grange's avatar
Adrian Grange committed
362 363

#if CONFIG_DEBUG
John Koleszar's avatar
John Koleszar committed
364 365 366
  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
367
#endif
368
  assert(mi->mbmi.sb_type == bsize);
Adrian Grange's avatar
Adrian Grange committed
369

John Koleszar's avatar
John Koleszar committed
370 371
  // Restore the coding context of the MB to that that was in place
  // when the mode was picked for it
372 373 374 375
  for (y = 0; y < bh; y++) {
    for (x_idx = 0; x_idx < bw; x_idx++) {
      if ((xd->mb_to_right_edge >> 7) + bw > x_idx &&
          (xd->mb_to_bottom_edge >> 7) + bh > y) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
376 377 378 379
        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
380
    }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
381
  }
382
  if (bsize < BLOCK_SIZE_SB32X32) {
383
    ctx->txfm_rd_diff[ALLOW_32X32] = ctx->txfm_rd_diff[ALLOW_16X16];
Ronald S. Bultje's avatar
Ronald S. Bultje committed
384
  }
Adrian Grange's avatar
Adrian Grange committed
385

Scott LaVarnway's avatar
Scott LaVarnway committed
386
  if (mb_mode == SPLITMV) {
John Koleszar's avatar
John Koleszar committed
387 388 389
    vpx_memcpy(x->partition_info, &ctx->partition_info,
               sizeof(PARTITION_INFO));

390 391
    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
392 393
  }

394
  x->skip = ctx->skip;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
395 396 397
  if (!output_enabled)
    return;

398
  {
399
    int segment_id = mbmi->segment_id, ref_pred_flag;
Paul Wilkins's avatar
Paul Wilkins committed
400
    if (!vp9_segfeature_active(xd, segment_id, SEG_LVL_SKIP)) {
401 402 403 404
      for (i = 0; i < NB_TXFM_MODES; i++) {
        cpi->rd_tx_select_diff[i] += ctx->txfm_rd_diff[i];
      }
    }
405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421

    // Did the chosen reference frame match its predicted value.
    ref_pred_flag = ((xd->mode_info_context->mbmi.ref_frame ==
                      vp9_get_pred_ref(cm, xd)));
    vp9_set_pred_flag(xd, PRED_REF, ref_pred_flag);
    if (!xd->segmentation_enabled ||
        !vp9_segfeature_active(xd, segment_id, SEG_LVL_REF_FRAME) ||
        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) {
      // Get the prediction context and status
      int pred_context = vp9_get_pred_context(cm, xd, PRED_REF);

      // Count prediction success
      cpi->ref_pred_count[pred_context][ref_pred_flag]++;
    }
422 423
  }

John Koleszar's avatar
John Koleszar committed
424 425
  if (cpi->common.frame_type == KEY_FRAME) {
    // Restore the coding modes to that held in the coding context
Yaowu Xu's avatar
Yaowu Xu committed
426
    // if (mb_mode == I4X4_PRED)
John Koleszar's avatar
John Koleszar committed
427 428 429 430 431 432
    //    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);
    //    }
433
#if CONFIG_INTERNAL_STATS
John Koleszar's avatar
John Koleszar committed
434 435 436 437 438 439 440 441 442 443 444 445
    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*/,
Yaowu Xu's avatar
Yaowu Xu committed
446
      THR_B_PRED /*I4X4_PRED*/,
John Koleszar's avatar
John Koleszar committed
447 448
    };
    cpi->mode_chosen_counts[kf_mode_index[mb_mode]]++;
449
#endif
John Koleszar's avatar
John Koleszar committed
450 451 452 453 454 455 456
  } 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
457

John Koleszar's avatar
John Koleszar committed
458 459 460 461 462 463 464 465
                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
466

John Koleszar's avatar
John Koleszar committed
467 468 469 470
            }
    */
    // Note how often each mode chosen as best
    cpi->mode_chosen_counts[mb_mode_index]++;
Deb Mukherjee's avatar
Deb Mukherjee committed
471 472 473 474 475 476 477 478 479 480 481 482 483
    if (mbmi->mode == SPLITMV || mbmi->mode == NEWMV) {
      int_mv best_mv, best_second_mv;
      MV_REFERENCE_FRAME rf = mbmi->ref_frame;
      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;
      }
      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);
    }
484 485 486 487 488 489 490 491 492 493 494 495 496
#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];
      }
    }
497
#endif
498
    if (cpi->common.mcomp_filter_type == SWITCHABLE &&
499
        is_inter_mode(mbmi->mode)) {
500 501 502 503
      ++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
504

505 506 507
    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
508
  }
Adrian Grange's avatar
Adrian Grange committed
509 510
}

511
static unsigned find_seg_id(uint8_t *buf, BLOCK_SIZE_TYPE bsize,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
512
                            int start_y, int height, int start_x, int width) {
513 514 515
  const int bw = 1 << mb_width_log2(bsize), bh = 1 << mb_height_log2(bsize);
  const int end_x = MIN(start_x + bw, width);
  const int end_y = MIN(start_y + bh, height);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
516 517 518 519 520 521 522 523 524 525 526 527 528
  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;
}

John Koleszar's avatar
John Koleszar committed
529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548
void vp9_setup_src_planes(MACROBLOCK *x,
                          const YV12_BUFFER_CONFIG *src,
                          int mb_row, int mb_col) {
  setup_pred_plane(&x->plane[0].src,
                   src->y_buffer, src->y_stride,
                   mb_row, mb_col, NULL,
                   x->e_mbd.plane[0].subsampling_x,
                   x->e_mbd.plane[0].subsampling_y);
  setup_pred_plane(&x->plane[1].src,
                   src->u_buffer, src->uv_stride,
                   mb_row, mb_col, NULL,
                   x->e_mbd.plane[1].subsampling_x,
                   x->e_mbd.plane[1].subsampling_y);
  setup_pred_plane(&x->plane[2].src,
                   src->v_buffer, src->uv_stride,
                   mb_row, mb_col, NULL,
                   x->e_mbd.plane[2].subsampling_x,
                   x->e_mbd.plane[2].subsampling_y);
}

Ronald S. Bultje's avatar
Ronald S. Bultje committed
549
static void set_offsets(VP9_COMP *cpi,
550
                        int mb_row, int mb_col, BLOCK_SIZE_TYPE bsize) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
551 552 553 554 555 556 557
  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;
558
  const int bw = 1 << mb_width_log2(bsize), bh = 1 << mb_height_log2(bsize);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
559 560 561 562 563

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

564 565 566 567
  // partition contexts
  xd->above_seg_context = cm->above_seg_context + mb_col;
  xd->left_seg_context  = cm->left_seg_context + (mb_row & 3);

Ronald S. Bultje's avatar
Ronald S. Bultje committed
568 569 570 571 572 573 574 575 576 577 578
  // 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
579
  setup_dst_planes(xd, &cm->yv12_fb[dst_fb_idx], mb_row, mb_col);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
580 581 582 583 584 585

  /* 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 +
586
                   (VP9BORDERINPIXELS - 16 * bh - VP9_INTERP_EXTEND));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
587
  x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
588
                   (VP9BORDERINPIXELS - 16 * bw - VP9_INTERP_EXTEND));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
589 590

  // Set up distance of MB to edge of frame in 1/8th pel units
591
  assert(!(mb_col & (bw - 1)) && !(mb_row & (bh - 1)));
592
  set_mb_row_col(cm, xd, mb_row, bh, mb_col, bw);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
593 594

  /* set up source buffers */
John Koleszar's avatar
John Koleszar committed
595
  vp9_setup_src_planes(x, cpi->Source, mb_row, mb_col);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
596 597 598 599 600 601 602 603

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

  /* segment ID */
  if (xd->segmentation_enabled) {
    if (xd->update_mb_segmentation_map) {
604
      mbmi->segment_id = find_seg_id(cpi->segmentation_map, bsize,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
605 606
                                     mb_row, cm->mb_rows, mb_col, cm->mb_cols);
    } else {
607
      mbmi->segment_id = find_seg_id(cm->last_frame_seg_map, bsize,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
608 609
                                     mb_row, cm->mb_rows, mb_col, cm->mb_cols);
    }
610
    assert(mbmi->segment_id <= (MAX_MB_SEGMENTS-1));
Ronald S. Bultje's avatar
Ronald S. Bultje committed
611 612 613 614 615 616 617 618 619 620 621 622 623 624 625
    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);
626 627
      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
628 629

      cpi->seg0_progress =
630
          ((y * mb_cols + x * 4 + p32 + p16 + tile_progress) << 16) / cm->MBs;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
631 632 633 634 635 636
    }
  } else {
    mbmi->segment_id = 0;
  }
}

637 638 639 640 641 642
static int pick_mb_mode(VP9_COMP *cpi,
                        int mb_row,
                        int mb_col,
                        TOKENEXTRA **tp,
                        int *totalrate,
                        int *totaldist) {
643 644 645
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
646
  int splitmodes_used = 0;
647
  MB_MODE_INFO *mbmi;
648

649
  set_offsets(cpi, mb_row, mb_col, BLOCK_SIZE_MB16X16);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
650

651 652
  if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
    vp9_activity_masking(cpi, x);
John Koleszar's avatar
John Koleszar committed
653

654 655
  mbmi = &xd->mode_info_context->mbmi;
  mbmi->sb_type = BLOCK_SIZE_MB16X16;
John Koleszar's avatar
John Koleszar committed
656

657 658 659 660
  // 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) {
    vp9_rd_pick_intra_mode(cpi, x, totalrate, totaldist);
661

662 663 664 665 666 667 668
    // Save the coding context
    vpx_memcpy(&x->mb_context[xd->sb_index][xd->mb_index].mic,
               xd->mode_info_context, sizeof(MODE_INFO));
  } else {
    vp9_pick_mode_inter_macroblock(cpi, x, mb_row, mb_col,
                                   totalrate, totaldist);
    splitmodes_used += (mbmi->mode == SPLITMV);
John Koleszar's avatar
John Koleszar committed
669

670
    if (cpi->mb.e_mbd.segmentation_enabled && mbmi->segment_id == 0) {
671
      cpi->seg0_idx++;
John Koleszar's avatar
John Koleszar committed
672 673 674
    }
  }

675
  return splitmodes_used;
Adrian Grange's avatar
Adrian Grange committed
676 677
}

678 679 680
static void pick_sb_modes(VP9_COMP *cpi, int mb_row, int mb_col,
                          TOKENEXTRA **tp, int *totalrate, int *totaldist,
                          BLOCK_SIZE_TYPE bsize, PICK_MODE_CONTEXT *ctx) {
681 682 683
  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
684

685 686
  set_offsets(cpi, mb_row, mb_col, bsize);
  xd->mode_info_context->mbmi.sb_type = bsize;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
687
  if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
688
    vp9_activity_masking(cpi, x);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
689 690 691

  /* 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
692
  if (cm->frame_type == KEY_FRAME) {
693
    vp9_rd_pick_intra_mode_sb(cpi, x, totalrate, totaldist, bsize, ctx);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
694
  } else {
695
    vp9_rd_pick_inter_mode_sb(cpi, x, mb_row, mb_col, totalrate, totaldist,
696
                              bsize, ctx);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
697 698
  }
}
Adrian Grange's avatar
Adrian Grange committed
699

700
static void update_stats(VP9_COMP *cpi, int mb_row, int mb_col) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
701 702 703 704 705
  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
706

Ronald S. Bultje's avatar
Ronald S. Bultje committed
707 708 709
  if (cm->frame_type == KEY_FRAME) {
#ifdef MODE_STATS
    y_modes[mbmi->mode]++;
Adrian Grange's avatar
Adrian Grange committed
710
#endif
Ronald S. Bultje's avatar
Ronald S. Bultje committed
711 712
  } else {
    int segment_id, seg_ref_active;
John Koleszar's avatar
John Koleszar committed
713

Ronald S. Bultje's avatar
Ronald S. Bultje committed
714 715
    if (mbmi->ref_frame) {
      int pred_context = vp9_get_pred_context(cm, xd, PRED_COMP);
716

Ronald S. Bultje's avatar
Ronald S. Bultje committed
717 718 719 720
      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
721
    }
Adrian Grange's avatar
Adrian Grange committed
722

Ronald S. Bultje's avatar
Ronald S. Bultje committed
723 724
#ifdef MODE_STATS
    inter_y_modes[mbmi->mode]++;
Adrian Grange's avatar
Adrian Grange committed
725

Ronald S. Bultje's avatar
Ronald S. Bultje committed
726 727
    if (mbmi->mode == SPLITMV) {
      int b;
John Koleszar's avatar
John Koleszar committed
728

Ronald S. Bultje's avatar
Ronald S. Bultje committed
729 730 731 732
      for (b = 0; b < x->partition_info->count; b++) {
        inter_b_modes[x->partition_info->bmi[b].mode]++;
      }
    }
733
#endif
734

Ronald S. Bultje's avatar
Ronald S. Bultje committed
735 736 737 738 739 740 741 742 743 744 745 746 747 748
    // 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
749
    }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
750 751 752 753 754
    // Count of last ref frame 0,0 usage
    if ((mbmi->mode == ZEROMV) && (mbmi->ref_frame == LAST_FRAME))
      cpi->inter_zz_count++;
  }
}
John Koleszar's avatar
John Koleszar committed
755

Ronald S. Bultje's avatar
Ronald S. Bultje committed
756 757 758 759
static void encode_sb(VP9_COMP *cpi,
                      int mb_row,
                      int mb_col,
                      int output_enabled,
760
                      TOKENEXTRA **tp, BLOCK_SIZE_TYPE is_sb) {
761 762 763
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCK *const x = &cpi->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
764
  BLOCK_SIZE_TYPE bsize = BLOCK_SIZE_SB32X32;
765 766 767 768 769
  int pl;

  xd->left_seg_context  = cm->left_seg_context + (mb_row & 0x03);
  xd->above_seg_context = cm->above_seg_context + mb_col;
  pl = partition_plane_context(xd, bsize);
John Koleszar's avatar
John Koleszar committed
770

771
  if (is_sb == BLOCK_SIZE_SB32X32) {
772
    set_offsets(cpi, mb_row, mb_col, bsize);
773
    update_state(cpi, &x->sb32_context[xd->sb_index],
774
                 bsize, output_enabled);
775

776
    encode_superblock(cpi, tp,
777
                      output_enabled, mb_row, mb_col, bsize);
778 779
    if (output_enabled) {
      update_stats(cpi, mb_row, mb_col);
780
      cpi->partition_count[pl][PARTITION_NONE]++;
781

782
      (*tp)->token = EOSB_TOKEN;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
783 784
      (*tp)++;
    }
785 786 787 788
  } else if (is_sb == BLOCK_SIZE_SB16X32) {
    int i;

    if (output_enabled)
789
      cpi->partition_count[pl][PARTITION_VERT]++;
790 791 792 793 794 795 796 797 798
    for (i = 0; i < 2 && mb_col + i != cm->mb_cols; i++) {
      set_offsets(cpi, mb_row, mb_col + i, BLOCK_SIZE_SB16X32);
      update_state(cpi, &x->sb16x32_context[xd->sb_index][i],
                   BLOCK_SIZE_SB16X32, output_enabled);
      encode_superblock(cpi, tp,
                        output_enabled, mb_row, mb_col + i, BLOCK_SIZE_SB16X32);
      if (output_enabled) {
        update_stats(cpi, mb_row, mb_col + i);

799
        (*tp)->token = EOSB_TOKEN;
800 801 802 803 804 805 806
        (*tp)++;
      }
    }
  } else if (is_sb == BLOCK_SIZE_SB32X16) {
    int i;

    if (output_enabled)
807
      cpi->partition_count[pl][PARTITION_HORZ]++;
808 809 810 811 812 813 814 815 816
    for (i = 0; i < 2 && mb_row + i != cm->mb_rows; i++) {
      set_offsets(cpi, mb_row + i, mb_col, BLOCK_SIZE_SB32X16);
      update_state(cpi, &x->sb32x16_context[xd->sb_index][i],
                   BLOCK_SIZE_SB32X16, output_enabled);
      encode_superblock(cpi, tp,
                        output_enabled, mb_row + i, mb_col, BLOCK_SIZE_SB32X16);
      if (output_enabled) {
        update_stats(cpi, mb_row + i, mb_col);

817
        (*tp)->token = EOSB_TOKEN;
818 819 820
        (*tp)++;
      }
    }
821
  } else {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
822
    int i;
823
    if (output_enabled)
824
      cpi->partition_count[pl][PARTITION_SPLIT]++;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
825

Ronald S. Bultje's avatar
Ronald S. Bultje committed
826 827
    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
828

Ronald S. Bultje's avatar
Ronald S. Bultje committed
829 830 831
      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
832 833
      }

834
      set_offsets(cpi, mb_row + y_idx, mb_col + x_idx, BLOCK_SIZE_MB16X16);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
835
      xd->mb_index = i;
836 837
      update_state(cpi, &x->mb_context[xd->sb_index][i],
                   BLOCK_SIZE_MB16X16, output_enabled);
John Koleszar's avatar
John Koleszar committed
838

Ronald S. Bultje's avatar
Ronald S. Bultje committed
839 840
      if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
        vp9_activity_masking(cpi, x);
John Koleszar's avatar
John Koleszar committed
841

842
      encode_macroblock(cpi, tp,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
843
                        output_enabled, mb_row + y_idx, mb_col + x_idx);