granicus.if.org Git - libvpx/blob - vp10/encoder/encoder.c

   1 /*
   2  * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  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.
   9  */
  10
  11 #include <math.h>
  12 #include <stdio.h>
  13 #include <limits.h>
  14
  15 #include "./vpx_config.h"
  16
  17 #include "vp10/common/alloccommon.h"
  18 #include "vp10/common/filter.h"
  19 #include "vp10/common/idct.h"
  20 #if CONFIG_VP9_POSTPROC
  21 #include "vp10/common/postproc.h"
  22 #endif
  23 #include "vp10/common/reconinter.h"
  24 #include "vp10/common/reconintra.h"
  25 #include "vp10/common/tile_common.h"
  26
  27 #include "vp10/encoder/aq_complexity.h"
  28 #include "vp10/encoder/aq_cyclicrefresh.h"
  29 #include "vp10/encoder/aq_variance.h"
  30 #include "vp10/encoder/bitstream.h"
  31 #include "vp10/encoder/context_tree.h"
  32 #include "vp10/encoder/encodeframe.h"
  33 #include "vp10/encoder/encodemv.h"
  34 #include "vp10/encoder/encoder.h"
  35 #include "vp10/encoder/ethread.h"
  36 #include "vp10/encoder/firstpass.h"
  37 #include "vp10/encoder/mbgraph.h"
  38 #include "vp10/encoder/picklpf.h"
  39 #include "vp10/encoder/ratectrl.h"
  40 #include "vp10/encoder/rd.h"
  41 #include "vp10/encoder/resize.h"
  42 #include "vp10/encoder/segmentation.h"
  43 #include "vp10/encoder/skin_detection.h"
  44 #include "vp10/encoder/speed_features.h"
  45 #include "vp10/encoder/temporal_filter.h"
  46
  47 #include "./vp10_rtcd.h"
  48 #include "./vpx_dsp_rtcd.h"
  49 #include "./vpx_scale_rtcd.h"
  50 #include "vpx/internal/vpx_psnr.h"
  51 #if CONFIG_INTERNAL_STATS
  52 #include "vpx_dsp/ssim.h"
  53 #endif
  54 #include "vpx_dsp/vpx_dsp_common.h"
  55 #include "vpx_dsp/vpx_filter.h"
  56 #include "vpx_ports/mem.h"
  57 #include "vpx_ports/system_state.h"
  58 #include "vpx_ports/vpx_timer.h"
  59 #include "vpx_scale/vpx_scale.h"
  60
  61 #define AM_SEGMENT_ID_INACTIVE 7
  62 #define AM_SEGMENT_ID_ACTIVE 0
  63
  64 #define SHARP_FILTER_QTHRESH 0          /* Q threshold for 8-tap sharp filter */
  65
  66 #define ALTREF_HIGH_PRECISION_MV 1      // Whether to use high precision mv
  67                                          //  for altref computation.
  68 #define HIGH_PRECISION_MV_QTHRESH 200   // Q threshold for high precision
  69                                          // mv. Choose a very high value for
  70                                          // now so that HIGH_PRECISION is always
  71                                          // chosen.
  72 // #define OUTPUT_YUV_REC
  73
  74 #ifdef OUTPUT_YUV_DENOISED
  75 FILE *yuv_denoised_file = NULL;
  76 #endif
  77 #ifdef OUTPUT_YUV_SKINMAP
  78 FILE *yuv_skinmap_file = NULL;
  79 #endif
  80 #ifdef OUTPUT_YUV_REC
  81 FILE *yuv_rec_file;
  82 #endif
  83
  84 #if 0
  85 FILE *framepsnr;
  86 FILE *kf_list;
  87 FILE *keyfile;
  88 #endif
  89
  90 static INLINE void Scale2Ratio(VPX_SCALING mode, int *hr, int *hs) {
  91   switch (mode) {
  92     case NORMAL:
  93       *hr = 1;
  94       *hs = 1;
  95       break;
  96     case FOURFIVE:
  97       *hr = 4;
  98       *hs = 5;
  99       break;
 100     case THREEFIVE:
 101       *hr = 3;
 102       *hs = 5;
 103     break;
 104     case ONETWO:
 105       *hr = 1;
 106       *hs = 2;
 107     break;
 108     default:
 109       *hr = 1;
 110       *hs = 1;
 111        assert(0);
 112       break;
 113   }
 114 }
 115
 116 // Mark all inactive blocks as active. Other segmentation features may be set
 117 // so memset cannot be used, instead only inactive blocks should be reset.
 118 static void suppress_active_map(VP10_COMP *cpi) {
 119   unsigned char *const seg_map = cpi->segmentation_map;
 120   int i;
 121   if (cpi->active_map.enabled || cpi->active_map.update)
 122     for (i = 0; i < cpi->common.mi_rows * cpi->common.mi_cols; ++i)
 123       if (seg_map[i] == AM_SEGMENT_ID_INACTIVE)
 124         seg_map[i] = AM_SEGMENT_ID_ACTIVE;
 125 }
 126
 127 static void apply_active_map(VP10_COMP *cpi) {
 128   struct segmentation *const seg = &cpi->common.seg;
 129   unsigned char *const seg_map = cpi->segmentation_map;
 130   const unsigned char *const active_map = cpi->active_map.map;
 131   int i;
 132
 133   assert(AM_SEGMENT_ID_ACTIVE == CR_SEGMENT_ID_BASE);
 134
 135   if (frame_is_intra_only(&cpi->common)) {
 136     cpi->active_map.enabled = 0;
 137     cpi->active_map.update = 1;
 138   }
 139
 140   if (cpi->active_map.update) {
 141     if (cpi->active_map.enabled) {
 142       for (i = 0; i < cpi->common.mi_rows * cpi->common.mi_cols; ++i)
 143         if (seg_map[i] == AM_SEGMENT_ID_ACTIVE) seg_map[i] = active_map[i];
 144       vp10_enable_segmentation(seg);
 145       vp10_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
 146       vp10_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF);
 147       // Setting the data to -MAX_LOOP_FILTER will result in the computed loop
 148       // filter level being zero regardless of the value of seg->abs_delta.
 149       vp10_set_segdata(seg, AM_SEGMENT_ID_INACTIVE,
 150                       SEG_LVL_ALT_LF, -MAX_LOOP_FILTER);
 151     } else {
 152       vp10_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
 153       vp10_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF);
 154       if (seg->enabled) {
 155         seg->update_data = 1;
 156         seg->update_map = 1;
 157       }
 158     }
 159     cpi->active_map.update = 0;
 160   }
 161 }
 162
 163 int vp10_set_active_map(VP10_COMP* cpi,
 164                        unsigned char* new_map_16x16,
 165                        int rows,
 166                        int cols) {
 167   if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols) {
 168     unsigned char *const active_map_8x8 = cpi->active_map.map;
 169     const int mi_rows = cpi->common.mi_rows;
 170     const int mi_cols = cpi->common.mi_cols;
 171     cpi->active_map.update = 1;
 172     if (new_map_16x16) {
 173       int r, c;
 174       for (r = 0; r < mi_rows; ++r) {
 175         for (c = 0; c < mi_cols; ++c) {
 176           active_map_8x8[r * mi_cols + c] =
 177               new_map_16x16[(r >> 1) * cols + (c >> 1)]
 178                   ? AM_SEGMENT_ID_ACTIVE
 179                   : AM_SEGMENT_ID_INACTIVE;
 180         }
 181       }
 182       cpi->active_map.enabled = 1;
 183     } else {
 184       cpi->active_map.enabled = 0;
 185     }
 186     return 0;
 187   } else {
 188     return -1;
 189   }
 190 }
 191
 192 int vp10_get_active_map(VP10_COMP* cpi,
 193                        unsigned char* new_map_16x16,
 194                        int rows,
 195                        int cols) {
 196   if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols &&
 197       new_map_16x16) {
 198     unsigned char* const seg_map_8x8 = cpi->segmentation_map;
 199     const int mi_rows = cpi->common.mi_rows;
 200     const int mi_cols = cpi->common.mi_cols;
 201     memset(new_map_16x16, !cpi->active_map.enabled, rows * cols);
 202     if (cpi->active_map.enabled) {
 203       int r, c;
 204       for (r = 0; r < mi_rows; ++r) {
 205         for (c = 0; c < mi_cols; ++c) {
 206           // Cyclic refresh segments are considered active despite not having
 207           // AM_SEGMENT_ID_ACTIVE
 208           new_map_16x16[(r >> 1) * cols + (c >> 1)] |=
 209               seg_map_8x8[r * mi_cols + c] != AM_SEGMENT_ID_INACTIVE;
 210         }
 211       }
 212     }
 213     return 0;
 214   } else {
 215     return -1;
 216   }
 217 }
 218
 219 void vp10_set_high_precision_mv(VP10_COMP *cpi, int allow_high_precision_mv) {
 220   MACROBLOCK *const mb = &cpi->td.mb;
 221   cpi->common.allow_high_precision_mv = allow_high_precision_mv;
 222   if (cpi->common.allow_high_precision_mv) {
 223     mb->mvcost = mb->nmvcost_hp;
 224     mb->mvsadcost = mb->nmvsadcost_hp;
 225   } else {
 226     mb->mvcost = mb->nmvcost;
 227     mb->mvsadcost = mb->nmvsadcost;
 228   }
 229 }
 230
 231 static void setup_frame(VP10_COMP *cpi) {
 232   VP10_COMMON *const cm = &cpi->common;
 233   // Set up entropy context depending on frame type. The decoder mandates
 234   // the use of the default context, index 0, for keyframes and inter
 235   // frames where the error_resilient_mode or intra_only flag is set. For
 236   // other inter-frames the encoder currently uses only two contexts;
 237   // context 1 for ALTREF frames and context 0 for the others.
 238   if (frame_is_intra_only(cm) || cm->error_resilient_mode) {
 239     vp10_setup_past_independence(cm);
 240   } else {
 241     cm->frame_context_idx = cpi->refresh_alt_ref_frame;
 242   }
 243
 244   if (cm->frame_type == KEY_FRAME) {
 245     cpi->refresh_golden_frame = 1;
 246     cpi->refresh_alt_ref_frame = 1;
 247     vp10_zero(cpi->interp_filter_selected);
 248   } else {
 249     *cm->fc = cm->frame_contexts[cm->frame_context_idx];
 250     vp10_zero(cpi->interp_filter_selected[0]);
 251   }
 252 }
 253
 254 static void vp10_enc_setup_mi(VP10_COMMON *cm) {
 255   int i;
 256   cm->mi = cm->mip + cm->mi_stride + 1;
 257   memset(cm->mip, 0, cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->mip));
 258   cm->prev_mi = cm->prev_mip + cm->mi_stride + 1;
 259   // Clear top border row
 260   memset(cm->prev_mip, 0, sizeof(*cm->prev_mip) * cm->mi_stride);
 261   // Clear left border column
 262   for (i = 1; i < cm->mi_rows + 1; ++i)
 263     memset(&cm->prev_mip[i * cm->mi_stride], 0, sizeof(*cm->prev_mip));
 264
 265   cm->mi_grid_visible = cm->mi_grid_base + cm->mi_stride + 1;
 266   cm->prev_mi_grid_visible = cm->prev_mi_grid_base + cm->mi_stride + 1;
 267
 268   memset(cm->mi_grid_base, 0,
 269          cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->mi_grid_base));
 270 }
 271
 272 static int vp10_enc_alloc_mi(VP10_COMMON *cm, int mi_size) {
 273   cm->mip = vpx_calloc(mi_size, sizeof(*cm->mip));
 274   if (!cm->mip)
 275     return 1;
 276   cm->prev_mip = vpx_calloc(mi_size, sizeof(*cm->prev_mip));
 277   if (!cm->prev_mip)
 278     return 1;
 279   cm->mi_alloc_size = mi_size;
 280
 281   cm->mi_grid_base = (MODE_INFO **)vpx_calloc(mi_size, sizeof(MODE_INFO*));
 282   if (!cm->mi_grid_base)
 283     return 1;
 284   cm->prev_mi_grid_base = (MODE_INFO **)vpx_calloc(mi_size, sizeof(MODE_INFO*));
 285   if (!cm->prev_mi_grid_base)
 286     return 1;
 287
 288   return 0;
 289 }
 290
 291 static void vp10_enc_free_mi(VP10_COMMON *cm) {
 292   vpx_free(cm->mip);
 293   cm->mip = NULL;
 294   vpx_free(cm->prev_mip);
 295   cm->prev_mip = NULL;
 296   vpx_free(cm->mi_grid_base);
 297   cm->mi_grid_base = NULL;
 298   vpx_free(cm->prev_mi_grid_base);
 299   cm->prev_mi_grid_base = NULL;
 300 }
 301
 302 static void vp10_swap_mi_and_prev_mi(VP10_COMMON *cm) {
 303   // Current mip will be the prev_mip for the next frame.
 304   MODE_INFO **temp_base = cm->prev_mi_grid_base;
 305   MODE_INFO *temp = cm->prev_mip;
 306   cm->prev_mip = cm->mip;
 307   cm->mip = temp;
 308
 309   // Update the upper left visible macroblock ptrs.
 310   cm->mi = cm->mip + cm->mi_stride + 1;
 311   cm->prev_mi = cm->prev_mip + cm->mi_stride + 1;
 312
 313   cm->prev_mi_grid_base = cm->mi_grid_base;
 314   cm->mi_grid_base = temp_base;
 315   cm->mi_grid_visible = cm->mi_grid_base + cm->mi_stride + 1;
 316   cm->prev_mi_grid_visible = cm->prev_mi_grid_base + cm->mi_stride + 1;
 317 }
 318
 319 void vp10_initialize_enc(void) {
 320   static volatile int init_done = 0;
 321
 322   if (!init_done) {
 323     vp10_rtcd();
 324     vpx_dsp_rtcd();
 325     vpx_scale_rtcd();
 326     vp10_init_intra_predictors();
 327     vp10_init_me_luts();
 328     vp10_rc_init_minq_luts();
 329     vp10_entropy_mv_init();
 330     vp10_temporal_filter_init();
 331     init_done = 1;
 332   }
 333 }
 334
 335 static void dealloc_compressor_data(VP10_COMP *cpi) {
 336   VP10_COMMON *const cm = &cpi->common;
 337
 338   vpx_free(cpi->mbmi_ext_base);
 339   cpi->mbmi_ext_base = NULL;
 340
 341   vpx_free(cpi->tile_data);
 342   cpi->tile_data = NULL;
 343
 344   // Delete sementation map
 345   vpx_free(cpi->segmentation_map);
 346   cpi->segmentation_map = NULL;
 347   vpx_free(cpi->coding_context.last_frame_seg_map_copy);
 348   cpi->coding_context.last_frame_seg_map_copy = NULL;
 349
 350   vpx_free(cpi->nmvcosts[0]);
 351   vpx_free(cpi->nmvcosts[1]);
 352   cpi->nmvcosts[0] = NULL;
 353   cpi->nmvcosts[1] = NULL;
 354
 355   vpx_free(cpi->nmvcosts_hp[0]);
 356   vpx_free(cpi->nmvcosts_hp[1]);
 357   cpi->nmvcosts_hp[0] = NULL;
 358   cpi->nmvcosts_hp[1] = NULL;
 359
 360   vpx_free(cpi->nmvsadcosts[0]);
 361   vpx_free(cpi->nmvsadcosts[1]);
 362   cpi->nmvsadcosts[0] = NULL;
 363   cpi->nmvsadcosts[1] = NULL;
 364
 365   vpx_free(cpi->nmvsadcosts_hp[0]);
 366   vpx_free(cpi->nmvsadcosts_hp[1]);
 367   cpi->nmvsadcosts_hp[0] = NULL;
 368   cpi->nmvsadcosts_hp[1] = NULL;
 369
 370   vp10_cyclic_refresh_free(cpi->cyclic_refresh);
 371   cpi->cyclic_refresh = NULL;
 372
 373   vpx_free(cpi->active_map.map);
 374   cpi->active_map.map = NULL;
 375
 376   vp10_free_ref_frame_buffers(cm->buffer_pool);
 377 #if CONFIG_VP9_POSTPROC
 378   vp10_free_postproc_buffers(cm);
 379 #endif
 380   vp10_free_context_buffers(cm);
 381
 382   vpx_free_frame_buffer(&cpi->last_frame_uf);
 383   vpx_free_frame_buffer(&cpi->scaled_source);
 384   vpx_free_frame_buffer(&cpi->scaled_last_source);
 385   vpx_free_frame_buffer(&cpi->alt_ref_buffer);
 386   vp10_lookahead_destroy(cpi->lookahead);
 387
 388   vpx_free(cpi->tile_tok[0][0]);
 389   cpi->tile_tok[0][0] = 0;
 390
 391   vp10_free_pc_tree(&cpi->td);
 392
 393   if (cpi->source_diff_var != NULL) {
 394     vpx_free(cpi->source_diff_var);
 395     cpi->source_diff_var = NULL;
 396   }
 397 }
 398
 399 static void save_coding_context(VP10_COMP *cpi) {
 400   CODING_CONTEXT *const cc = &cpi->coding_context;
 401   VP10_COMMON *cm = &cpi->common;
 402
 403   // Stores a snapshot of key state variables which can subsequently be
 404   // restored with a call to vp10_restore_coding_context. These functions are
 405   // intended for use in a re-code loop in vp10_compress_frame where the
 406   // quantizer value is adjusted between loop iterations.
 407   vp10_copy(cc->nmvjointcost,  cpi->td.mb.nmvjointcost);
 408
 409   memcpy(cc->nmvcosts[0], cpi->nmvcosts[0],
 410          MV_VALS * sizeof(*cpi->nmvcosts[0]));
 411   memcpy(cc->nmvcosts[1], cpi->nmvcosts[1],
 412          MV_VALS * sizeof(*cpi->nmvcosts[1]));
 413   memcpy(cc->nmvcosts_hp[0], cpi->nmvcosts_hp[0],
 414          MV_VALS * sizeof(*cpi->nmvcosts_hp[0]));
 415   memcpy(cc->nmvcosts_hp[1], cpi->nmvcosts_hp[1],
 416          MV_VALS * sizeof(*cpi->nmvcosts_hp[1]));
 417
 418   vp10_copy(cc->segment_pred_probs, cm->seg.pred_probs);
 419
 420   memcpy(cpi->coding_context.last_frame_seg_map_copy,
 421          cm->last_frame_seg_map, (cm->mi_rows * cm->mi_cols));
 422
 423   vp10_copy(cc->last_ref_lf_deltas, cm->lf.last_ref_deltas);
 424   vp10_copy(cc->last_mode_lf_deltas, cm->lf.last_mode_deltas);
 425
 426   cc->fc = *cm->fc;
 427 }
 428
 429 static void restore_coding_context(VP10_COMP *cpi) {
 430   CODING_CONTEXT *const cc = &cpi->coding_context;
 431   VP10_COMMON *cm = &cpi->common;
 432
 433   // Restore key state variables to the snapshot state stored in the
 434   // previous call to vp10_save_coding_context.
 435   vp10_copy(cpi->td.mb.nmvjointcost, cc->nmvjointcost);
 436
 437   memcpy(cpi->nmvcosts[0], cc->nmvcosts[0], MV_VALS * sizeof(*cc->nmvcosts[0]));
 438   memcpy(cpi->nmvcosts[1], cc->nmvcosts[1], MV_VALS * sizeof(*cc->nmvcosts[1]));
 439   memcpy(cpi->nmvcosts_hp[0], cc->nmvcosts_hp[0],
 440          MV_VALS * sizeof(*cc->nmvcosts_hp[0]));
 441   memcpy(cpi->nmvcosts_hp[1], cc->nmvcosts_hp[1],
 442          MV_VALS * sizeof(*cc->nmvcosts_hp[1]));
 443
 444   vp10_copy(cm->seg.pred_probs, cc->segment_pred_probs);
 445
 446   memcpy(cm->last_frame_seg_map,
 447          cpi->coding_context.last_frame_seg_map_copy,
 448          (cm->mi_rows * cm->mi_cols));
 449
 450   vp10_copy(cm->lf.last_ref_deltas, cc->last_ref_lf_deltas);
 451   vp10_copy(cm->lf.last_mode_deltas, cc->last_mode_lf_deltas);
 452
 453   *cm->fc = cc->fc;
 454 }
 455
 456 static void configure_static_seg_features(VP10_COMP *cpi) {
 457   VP10_COMMON *const cm = &cpi->common;
 458   const RATE_CONTROL *const rc = &cpi->rc;
 459   struct segmentation *const seg = &cm->seg;
 460
 461   int high_q = (int)(rc->avg_q > 48.0);
 462   int qi_delta;
 463
 464   // Disable and clear down for KF
 465   if (cm->frame_type == KEY_FRAME) {
 466     // Clear down the global segmentation map
 467     memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
 468     seg->update_map = 0;
 469     seg->update_data = 0;
 470     cpi->static_mb_pct = 0;
 471
 472     // Disable segmentation
 473     vp10_disable_segmentation(seg);
 474
 475     // Clear down the segment features.
 476     vp10_clearall_segfeatures(seg);
 477   } else if (cpi->refresh_alt_ref_frame) {
 478     // If this is an alt ref frame
 479     // Clear down the global segmentation map
 480     memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
 481     seg->update_map = 0;
 482     seg->update_data = 0;
 483     cpi->static_mb_pct = 0;
 484
 485     // Disable segmentation and individual segment features by default
 486     vp10_disable_segmentation(seg);
 487     vp10_clearall_segfeatures(seg);
 488
 489     // Scan frames from current to arf frame.
 490     // This function re-enables segmentation if appropriate.
 491     vp10_update_mbgraph_stats(cpi);
 492
 493     // If segmentation was enabled set those features needed for the
 494     // arf itself.
 495     if (seg->enabled) {
 496       seg->update_map = 1;
 497       seg->update_data = 1;
 498
 499       qi_delta = vp10_compute_qdelta(rc, rc->avg_q, rc->avg_q * 0.875,
 500                                     cm->bit_depth);
 501       vp10_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta - 2);
 502       vp10_set_segdata(seg, 1, SEG_LVL_ALT_LF, -2);
 503
 504       vp10_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
 505       vp10_enable_segfeature(seg, 1, SEG_LVL_ALT_LF);
 506
 507       // Where relevant assume segment data is delta data
 508       seg->abs_delta = SEGMENT_DELTADATA;
 509     }
 510   } else if (seg->enabled) {
 511     // All other frames if segmentation has been enabled
 512
 513     // First normal frame in a valid gf or alt ref group
 514     if (rc->frames_since_golden == 0) {
 515       // Set up segment features for normal frames in an arf group
 516       if (rc->source_alt_ref_active) {
 517         seg->update_map = 0;
 518         seg->update_data = 1;
 519         seg->abs_delta = SEGMENT_DELTADATA;
 520
 521         qi_delta = vp10_compute_qdelta(rc, rc->avg_q, rc->avg_q * 1.125,
 522                                       cm->bit_depth);
 523         vp10_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta + 2);
 524         vp10_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
 525
 526         vp10_set_segdata(seg, 1, SEG_LVL_ALT_LF, -2);
 527         vp10_enable_segfeature(seg, 1, SEG_LVL_ALT_LF);
 528
 529         // Segment coding disabled for compred testing
 530         if (high_q || (cpi->static_mb_pct == 100)) {
 531           vp10_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
 532           vp10_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME);
 533           vp10_enable_segfeature(seg, 1, SEG_LVL_SKIP);
 534         }
 535       } else {
 536         // Disable segmentation and clear down features if alt ref
 537         // is not active for this group
 538
 539         vp10_disable_segmentation(seg);
 540
 541         memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
 542
 543         seg->update_map = 0;
 544         seg->update_data = 0;
 545
 546         vp10_clearall_segfeatures(seg);
 547       }
 548     } else if (rc->is_src_frame_alt_ref) {
 549       // Special case where we are coding over the top of a previous
 550       // alt ref frame.
 551       // Segment coding disabled for compred testing
 552
 553       // Enable ref frame features for segment 0 as well
 554       vp10_enable_segfeature(seg, 0, SEG_LVL_REF_FRAME);
 555       vp10_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME);
 556
 557       // All mbs should use ALTREF_FRAME
 558       vp10_clear_segdata(seg, 0, SEG_LVL_REF_FRAME);
 559       vp10_set_segdata(seg, 0, SEG_LVL_REF_FRAME, ALTREF_FRAME);
 560       vp10_clear_segdata(seg, 1, SEG_LVL_REF_FRAME);
 561       vp10_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
 562
 563       // Skip all MBs if high Q (0,0 mv and skip coeffs)
 564       if (high_q) {
 565         vp10_enable_segfeature(seg, 0, SEG_LVL_SKIP);
 566         vp10_enable_segfeature(seg, 1, SEG_LVL_SKIP);
 567       }
 568       // Enable data update
 569       seg->update_data = 1;
 570     } else {
 571       // All other frames.
 572
 573       // No updates.. leave things as they are.
 574       seg->update_map = 0;
 575       seg->update_data = 0;
 576     }
 577   }
 578 }
 579
 580 static void update_reference_segmentation_map(VP10_COMP *cpi) {
 581   VP10_COMMON *const cm = &cpi->common;
 582   MODE_INFO **mi_8x8_ptr = cm->mi_grid_visible;
 583   uint8_t *cache_ptr = cm->last_frame_seg_map;
 584   int row, col;
 585
 586   for (row = 0; row < cm->mi_rows; row++) {
 587     MODE_INFO **mi_8x8 = mi_8x8_ptr;
 588     uint8_t *cache = cache_ptr;
 589     for (col = 0; col < cm->mi_cols; col++, mi_8x8++, cache++)
 590       cache[0] = mi_8x8[0]->mbmi.segment_id;
 591     mi_8x8_ptr += cm->mi_stride;
 592     cache_ptr += cm->mi_cols;
 593   }
 594 }
 595
 596 static void alloc_raw_frame_buffers(VP10_COMP *cpi) {
 597   VP10_COMMON *cm = &cpi->common;
 598   const VP10EncoderConfig *oxcf = &cpi->oxcf;
 599
 600   if (!cpi->lookahead)
 601     cpi->lookahead = vp10_lookahead_init(oxcf->width, oxcf->height,
 602                                         cm->subsampling_x, cm->subsampling_y,
 603 #if CONFIG_VP9_HIGHBITDEPTH
 604                                       cm->use_highbitdepth,
 605 #endif
 606                                       oxcf->lag_in_frames);
 607   if (!cpi->lookahead)
 608     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 609                        "Failed to allocate lag buffers");
 610
 611   // TODO(agrange) Check if ARF is enabled and skip allocation if not.
 612   if (vpx_realloc_frame_buffer(&cpi->alt_ref_buffer,
 613                                oxcf->width, oxcf->height,
 614                                cm->subsampling_x, cm->subsampling_y,
 615 #if CONFIG_VP9_HIGHBITDEPTH
 616                                cm->use_highbitdepth,
 617 #endif
 618                                VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
 619                                NULL, NULL, NULL))
 620     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 621                        "Failed to allocate altref buffer");
 622 }
 623
 624 static void alloc_util_frame_buffers(VP10_COMP *cpi) {
 625   VP10_COMMON *const cm = &cpi->common;
 626   if (vpx_realloc_frame_buffer(&cpi->last_frame_uf,
 627                                cm->width, cm->height,
 628                                cm->subsampling_x, cm->subsampling_y,
 629 #if CONFIG_VP9_HIGHBITDEPTH
 630                                cm->use_highbitdepth,
 631 #endif
 632                                VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
 633                                NULL, NULL, NULL))
 634     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 635                        "Failed to allocate last frame buffer");
 636
 637   if (vpx_realloc_frame_buffer(&cpi->scaled_source,
 638                                cm->width, cm->height,
 639                                cm->subsampling_x, cm->subsampling_y,
 640 #if CONFIG_VP9_HIGHBITDEPTH
 641                                cm->use_highbitdepth,
 642 #endif
 643                                VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
 644                                NULL, NULL, NULL))
 645     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 646                        "Failed to allocate scaled source buffer");
 647
 648   if (vpx_realloc_frame_buffer(&cpi->scaled_last_source,
 649                                cm->width, cm->height,
 650                                cm->subsampling_x, cm->subsampling_y,
 651 #if CONFIG_VP9_HIGHBITDEPTH
 652                                cm->use_highbitdepth,
 653 #endif
 654                                VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
 655                                NULL, NULL, NULL))
 656     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 657                        "Failed to allocate scaled last source buffer");
 658 }
 659
 660
 661 static int alloc_context_buffers_ext(VP10_COMP *cpi) {
 662   VP10_COMMON *cm = &cpi->common;
 663   int mi_size = cm->mi_cols * cm->mi_rows;
 664
 665   cpi->mbmi_ext_base = vpx_calloc(mi_size, sizeof(*cpi->mbmi_ext_base));
 666   if (!cpi->mbmi_ext_base)
 667     return 1;
 668
 669   return 0;
 670 }
 671
 672 void vp10_alloc_compressor_data(VP10_COMP *cpi) {
 673   VP10_COMMON *cm = &cpi->common;
 674
 675   vp10_alloc_context_buffers(cm, cm->width, cm->height);
 676
 677   alloc_context_buffers_ext(cpi);
 678
 679   vpx_free(cpi->tile_tok[0][0]);
 680
 681   {
 682     unsigned int tokens = get_token_alloc(cm->mb_rows, cm->mb_cols);
 683     CHECK_MEM_ERROR(cm, cpi->tile_tok[0][0],
 684         vpx_calloc(tokens, sizeof(*cpi->tile_tok[0][0])));
 685   }
 686
 687   vp10_setup_pc_tree(&cpi->common, &cpi->td);
 688 }
 689
 690 void vp10_new_framerate(VP10_COMP *cpi, double framerate) {
 691   cpi->framerate = framerate < 0.1 ? 30 : framerate;
 692   vp10_rc_update_framerate(cpi);
 693 }
 694
 695 static void set_tile_limits(VP10_COMP *cpi) {
 696   VP10_COMMON *const cm = &cpi->common;
 697
 698   int min_log2_tile_cols, max_log2_tile_cols;
 699   vp10_get_tile_n_bits(cm->mi_cols, &min_log2_tile_cols, &max_log2_tile_cols);
 700
 701   cm->log2_tile_cols = clamp(cpi->oxcf.tile_columns,
 702                              min_log2_tile_cols, max_log2_tile_cols);
 703   cm->log2_tile_rows = cpi->oxcf.tile_rows;
 704 }
 705
 706 static void update_frame_size(VP10_COMP *cpi) {
 707   VP10_COMMON *const cm = &cpi->common;
 708   MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
 709
 710   vp10_set_mb_mi(cm, cm->width, cm->height);
 711   vp10_init_context_buffers(cm);
 712   vp10_init_macroblockd(cm, xd, NULL);
 713   cpi->td.mb.mbmi_ext_base = cpi->mbmi_ext_base;
 714   memset(cpi->mbmi_ext_base, 0,
 715          cm->mi_rows * cm->mi_cols * sizeof(*cpi->mbmi_ext_base));
 716
 717   set_tile_limits(cpi);
 718 }
 719
 720 static void init_buffer_indices(VP10_COMP *cpi) {
 721   cpi->lst_fb_idx = 0;
 722   cpi->gld_fb_idx = 1;
 723   cpi->alt_fb_idx = 2;
 724 }
 725
 726 static void init_config(struct VP10_COMP *cpi, VP10EncoderConfig *oxcf) {
 727   VP10_COMMON *const cm = &cpi->common;
 728
 729   cpi->oxcf = *oxcf;
 730   cpi->framerate = oxcf->init_framerate;
 731
 732   cm->profile = oxcf->profile;
 733   cm->bit_depth = oxcf->bit_depth;
 734 #if CONFIG_VP9_HIGHBITDEPTH
 735   cm->use_highbitdepth = oxcf->use_highbitdepth;
 736 #endif
 737   cm->color_space = oxcf->color_space;
 738
 739   cm->width = oxcf->width;
 740   cm->height = oxcf->height;
 741   vp10_alloc_compressor_data(cpi);
 742
 743   // Single thread case: use counts in common.
 744   cpi->td.counts = &cm->counts;
 745
 746   // change includes all joint functionality
 747   vp10_change_config(cpi, oxcf);
 748
 749   cpi->static_mb_pct = 0;
 750   cpi->ref_frame_flags = 0;
 751
 752   init_buffer_indices(cpi);
 753 }
 754
 755 static void set_rc_buffer_sizes(RATE_CONTROL *rc,
 756                                 const VP10EncoderConfig *oxcf) {
 757   const int64_t bandwidth = oxcf->target_bandwidth;
 758   const int64_t starting = oxcf->starting_buffer_level_ms;
 759   const int64_t optimal = oxcf->optimal_buffer_level_ms;
 760   const int64_t maximum = oxcf->maximum_buffer_size_ms;
 761
 762   rc->starting_buffer_level = starting * bandwidth / 1000;
 763   rc->optimal_buffer_level = (optimal == 0) ? bandwidth / 8
 764                                             : optimal * bandwidth / 1000;
 765   rc->maximum_buffer_size = (maximum == 0) ? bandwidth / 8
 766                                            : maximum * bandwidth / 1000;
 767 }
 768
 769 #if CONFIG_VP9_HIGHBITDEPTH
 770 #define HIGHBD_BFP(BT, SDF, SDAF, VF, SVF, SVAF, SDX3F, SDX8F, SDX4DF) \
 771     cpi->fn_ptr[BT].sdf = SDF; \
 772     cpi->fn_ptr[BT].sdaf = SDAF; \
 773     cpi->fn_ptr[BT].vf = VF; \
 774     cpi->fn_ptr[BT].svf = SVF; \
 775     cpi->fn_ptr[BT].svaf = SVAF; \
 776     cpi->fn_ptr[BT].sdx3f = SDX3F; \
 777     cpi->fn_ptr[BT].sdx8f = SDX8F; \
 778     cpi->fn_ptr[BT].sdx4df = SDX4DF;
 779
 780 #define MAKE_BFP_SAD_WRAPPER(fnname) \
 781 static unsigned int fnname##_bits8(const uint8_t *src_ptr, \
 782                                    int source_stride, \
 783                                    const uint8_t *ref_ptr, \
 784                                    int ref_stride) {  \
 785   return fnname(src_ptr, source_stride, ref_ptr, ref_stride); \
 786 } \
 787 static unsigned int fnname##_bits10(const uint8_t *src_ptr, \
 788                                     int source_stride, \
 789                                     const uint8_t *ref_ptr, \
 790                                     int ref_stride) {  \
 791   return fnname(src_ptr, source_stride, ref_ptr, ref_stride) >> 2; \
 792 } \
 793 static unsigned int fnname##_bits12(const uint8_t *src_ptr, \
 794                                     int source_stride, \
 795                                     const uint8_t *ref_ptr, \
 796                                     int ref_stride) {  \
 797   return fnname(src_ptr, source_stride, ref_ptr, ref_stride) >> 4; \
 798 }
 799
 800 #define MAKE_BFP_SADAVG_WRAPPER(fnname) static unsigned int \
 801 fnname##_bits8(const uint8_t *src_ptr, \
 802                int source_stride, \
 803                const uint8_t *ref_ptr, \
 804                int ref_stride, \
 805                const uint8_t *second_pred) {  \
 806   return fnname(src_ptr, source_stride, ref_ptr, ref_stride, second_pred); \
 807 } \
 808 static unsigned int fnname##_bits10(const uint8_t *src_ptr, \
 809                                     int source_stride, \
 810                                     const uint8_t *ref_ptr, \
 811                                     int ref_stride, \
 812                                     const uint8_t *second_pred) {  \
 813   return fnname(src_ptr, source_stride, ref_ptr, ref_stride, \
 814                 second_pred) >> 2; \
 815 } \
 816 static unsigned int fnname##_bits12(const uint8_t *src_ptr, \
 817                                     int source_stride, \
 818                                     const uint8_t *ref_ptr, \
 819                                     int ref_stride, \
 820                                     const uint8_t *second_pred) {  \
 821   return fnname(src_ptr, source_stride, ref_ptr, ref_stride, \
 822                 second_pred) >> 4; \
 823 }
 824
 825 #define MAKE_BFP_SAD3_WRAPPER(fnname) \
 826 static void fnname##_bits8(const uint8_t *src_ptr, \
 827                            int source_stride, \
 828                            const uint8_t *ref_ptr, \
 829                            int  ref_stride, \
 830                            unsigned int *sad_array) {  \
 831   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 832 } \
 833 static void fnname##_bits10(const uint8_t *src_ptr, \
 834                             int source_stride, \
 835                             const uint8_t *ref_ptr, \
 836                             int  ref_stride, \
 837                             unsigned int *sad_array) {  \
 838   int i; \
 839   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 840   for (i = 0; i < 3; i++) \
 841     sad_array[i] >>= 2; \
 842 } \
 843 static void fnname##_bits12(const uint8_t *src_ptr, \
 844                             int source_stride, \
 845                             const uint8_t *ref_ptr, \
 846                             int  ref_stride, \
 847                             unsigned int *sad_array) {  \
 848   int i; \
 849   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 850   for (i = 0; i < 3; i++) \
 851     sad_array[i] >>= 4; \
 852 }
 853
 854 #define MAKE_BFP_SAD8_WRAPPER(fnname) \
 855 static void fnname##_bits8(const uint8_t *src_ptr, \
 856                            int source_stride, \
 857                            const uint8_t *ref_ptr, \
 858                            int  ref_stride, \
 859                            unsigned int *sad_array) {  \
 860   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 861 } \
 862 static void fnname##_bits10(const uint8_t *src_ptr, \
 863                             int source_stride, \
 864                             const uint8_t *ref_ptr, \
 865                             int  ref_stride, \
 866                             unsigned int *sad_array) {  \
 867   int i; \
 868   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 869   for (i = 0; i < 8; i++) \
 870     sad_array[i] >>= 2; \
 871 } \
 872 static void fnname##_bits12(const uint8_t *src_ptr, \
 873                             int source_stride, \
 874                             const uint8_t *ref_ptr, \
 875                             int  ref_stride, \
 876                             unsigned int *sad_array) {  \
 877   int i; \
 878   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 879   for (i = 0; i < 8; i++) \
 880     sad_array[i] >>= 4; \
 881 }
 882 #define MAKE_BFP_SAD4D_WRAPPER(fnname) \
 883 static void fnname##_bits8(const uint8_t *src_ptr, \
 884                            int source_stride, \
 885                            const uint8_t* const ref_ptr[], \
 886                            int  ref_stride, \
 887                            unsigned int *sad_array) {  \
 888   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 889 } \
 890 static void fnname##_bits10(const uint8_t *src_ptr, \
 891                             int source_stride, \
 892                             const uint8_t* const ref_ptr[], \
 893                             int  ref_stride, \
 894                             unsigned int *sad_array) {  \
 895   int i; \
 896   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 897   for (i = 0; i < 4; i++) \
 898   sad_array[i] >>= 2; \
 899 } \
 900 static void fnname##_bits12(const uint8_t *src_ptr, \
 901                             int source_stride, \
 902                             const uint8_t* const ref_ptr[], \
 903                             int  ref_stride, \
 904                             unsigned int *sad_array) {  \
 905   int i; \
 906   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 907   for (i = 0; i < 4; i++) \
 908   sad_array[i] >>= 4; \
 909 }
 910
 911 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad32x16)
 912 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad32x16_avg)
 913 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad32x16x4d)
 914 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad16x32)
 915 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad16x32_avg)
 916 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad16x32x4d)
 917 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad64x32)
 918 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad64x32_avg)
 919 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad64x32x4d)
 920 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad32x64)
 921 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad32x64_avg)
 922 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad32x64x4d)
 923 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad32x32)
 924 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad32x32_avg)
 925 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad32x32x3)
 926 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad32x32x8)
 927 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad32x32x4d)
 928 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad64x64)
 929 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad64x64_avg)
 930 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad64x64x3)
 931 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad64x64x8)
 932 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad64x64x4d)
 933 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad16x16)
 934 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad16x16_avg)
 935 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad16x16x3)
 936 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad16x16x8)
 937 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad16x16x4d)
 938 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad16x8)
 939 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad16x8_avg)
 940 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad16x8x3)
 941 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad16x8x8)
 942 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad16x8x4d)
 943 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad8x16)
 944 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad8x16_avg)
 945 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad8x16x3)
 946 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad8x16x8)
 947 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad8x16x4d)
 948 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad8x8)
 949 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad8x8_avg)
 950 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad8x8x3)
 951 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad8x8x8)
 952 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad8x8x4d)
 953 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad8x4)
 954 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad8x4_avg)
 955 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad8x4x8)
 956 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad8x4x4d)
 957 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad4x8)
 958 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad4x8_avg)
 959 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad4x8x8)
 960 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad4x8x4d)
 961 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad4x4)
 962 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad4x4_avg)
 963 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad4x4x3)
 964 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad4x4x8)
 965 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad4x4x4d)
 966
 967 static void  highbd_set_var_fns(VP10_COMP *const cpi) {
 968   VP10_COMMON *const cm = &cpi->common;
 969   if (cm->use_highbitdepth) {
 970     switch (cm->bit_depth) {
 971       case VPX_BITS_8:
 972         HIGHBD_BFP(BLOCK_32X16,
 973                    vpx_highbd_sad32x16_bits8,
 974                    vpx_highbd_sad32x16_avg_bits8,
 975                    vpx_highbd_8_variance32x16,
 976                    vpx_highbd_8_sub_pixel_variance32x16,
 977                    vpx_highbd_8_sub_pixel_avg_variance32x16,
 978                    NULL,
 979                    NULL,
 980                    vpx_highbd_sad32x16x4d_bits8)
 981
 982         HIGHBD_BFP(BLOCK_16X32,
 983                    vpx_highbd_sad16x32_bits8,
 984                    vpx_highbd_sad16x32_avg_bits8,
 985                    vpx_highbd_8_variance16x32,
 986                    vpx_highbd_8_sub_pixel_variance16x32,
 987                    vpx_highbd_8_sub_pixel_avg_variance16x32,
 988                    NULL,
 989                    NULL,
 990                    vpx_highbd_sad16x32x4d_bits8)
 991
 992         HIGHBD_BFP(BLOCK_64X32,
 993                    vpx_highbd_sad64x32_bits8,
 994                    vpx_highbd_sad64x32_avg_bits8,
 995                    vpx_highbd_8_variance64x32,
 996                    vpx_highbd_8_sub_pixel_variance64x32,
 997                    vpx_highbd_8_sub_pixel_avg_variance64x32,
 998                    NULL,
 999                    NULL,
1000                    vpx_highbd_sad64x32x4d_bits8)
1001
1002         HIGHBD_BFP(BLOCK_32X64,
1003                    vpx_highbd_sad32x64_bits8,
1004                    vpx_highbd_sad32x64_avg_bits8,
1005                    vpx_highbd_8_variance32x64,
1006                    vpx_highbd_8_sub_pixel_variance32x64,
1007                    vpx_highbd_8_sub_pixel_avg_variance32x64,
1008                    NULL,
1009                    NULL,
1010                    vpx_highbd_sad32x64x4d_bits8)
1011
1012         HIGHBD_BFP(BLOCK_32X32,
1013                    vpx_highbd_sad32x32_bits8,
1014                    vpx_highbd_sad32x32_avg_bits8,
1015                    vpx_highbd_8_variance32x32,
1016                    vpx_highbd_8_sub_pixel_variance32x32,
1017                    vpx_highbd_8_sub_pixel_avg_variance32x32,
1018                    vpx_highbd_sad32x32x3_bits8,
1019                    vpx_highbd_sad32x32x8_bits8,
1020                    vpx_highbd_sad32x32x4d_bits8)
1021
1022         HIGHBD_BFP(BLOCK_64X64,
1023                    vpx_highbd_sad64x64_bits8,
1024                    vpx_highbd_sad64x64_avg_bits8,
1025                    vpx_highbd_8_variance64x64,
1026                    vpx_highbd_8_sub_pixel_variance64x64,
1027                    vpx_highbd_8_sub_pixel_avg_variance64x64,
1028                    vpx_highbd_sad64x64x3_bits8,
1029                    vpx_highbd_sad64x64x8_bits8,
1030                    vpx_highbd_sad64x64x4d_bits8)
1031
1032         HIGHBD_BFP(BLOCK_16X16,
1033                    vpx_highbd_sad16x16_bits8,
1034                    vpx_highbd_sad16x16_avg_bits8,
1035                    vpx_highbd_8_variance16x16,
1036                    vpx_highbd_8_sub_pixel_variance16x16,
1037                    vpx_highbd_8_sub_pixel_avg_variance16x16,
1038                    vpx_highbd_sad16x16x3_bits8,
1039                    vpx_highbd_sad16x16x8_bits8,
1040                    vpx_highbd_sad16x16x4d_bits8)
1041
1042         HIGHBD_BFP(BLOCK_16X8,
1043                    vpx_highbd_sad16x8_bits8,
1044                    vpx_highbd_sad16x8_avg_bits8,
1045                    vpx_highbd_8_variance16x8,
1046                    vpx_highbd_8_sub_pixel_variance16x8,
1047                    vpx_highbd_8_sub_pixel_avg_variance16x8,
1048                    vpx_highbd_sad16x8x3_bits8,
1049                    vpx_highbd_sad16x8x8_bits8,
1050                    vpx_highbd_sad16x8x4d_bits8)
1051
1052         HIGHBD_BFP(BLOCK_8X16,
1053                    vpx_highbd_sad8x16_bits8,
1054                    vpx_highbd_sad8x16_avg_bits8,
1055                    vpx_highbd_8_variance8x16,
1056                    vpx_highbd_8_sub_pixel_variance8x16,
1057                    vpx_highbd_8_sub_pixel_avg_variance8x16,
1058                    vpx_highbd_sad8x16x3_bits8,
1059                    vpx_highbd_sad8x16x8_bits8,
1060                    vpx_highbd_sad8x16x4d_bits8)
1061
1062         HIGHBD_BFP(BLOCK_8X8,
1063                    vpx_highbd_sad8x8_bits8,
1064                    vpx_highbd_sad8x8_avg_bits8,
1065                    vpx_highbd_8_variance8x8,
1066                    vpx_highbd_8_sub_pixel_variance8x8,
1067                    vpx_highbd_8_sub_pixel_avg_variance8x8,
1068                    vpx_highbd_sad8x8x3_bits8,
1069                    vpx_highbd_sad8x8x8_bits8,
1070                    vpx_highbd_sad8x8x4d_bits8)
1071
1072         HIGHBD_BFP(BLOCK_8X4,
1073                    vpx_highbd_sad8x4_bits8,
1074                    vpx_highbd_sad8x4_avg_bits8,
1075                    vpx_highbd_8_variance8x4,
1076                    vpx_highbd_8_sub_pixel_variance8x4,
1077                    vpx_highbd_8_sub_pixel_avg_variance8x4,
1078                    NULL,
1079                    vpx_highbd_sad8x4x8_bits8,
1080                    vpx_highbd_sad8x4x4d_bits8)
1081
1082         HIGHBD_BFP(BLOCK_4X8,
1083                    vpx_highbd_sad4x8_bits8,
1084                    vpx_highbd_sad4x8_avg_bits8,
1085                    vpx_highbd_8_variance4x8,
1086                    vpx_highbd_8_sub_pixel_variance4x8,
1087                    vpx_highbd_8_sub_pixel_avg_variance4x8,
1088                    NULL,
1089                    vpx_highbd_sad4x8x8_bits8,
1090                    vpx_highbd_sad4x8x4d_bits8)
1091
1092         HIGHBD_BFP(BLOCK_4X4,
1093                    vpx_highbd_sad4x4_bits8,
1094                    vpx_highbd_sad4x4_avg_bits8,
1095                    vpx_highbd_8_variance4x4,
1096                    vpx_highbd_8_sub_pixel_variance4x4,
1097                    vpx_highbd_8_sub_pixel_avg_variance4x4,
1098                    vpx_highbd_sad4x4x3_bits8,
1099                    vpx_highbd_sad4x4x8_bits8,
1100                    vpx_highbd_sad4x4x4d_bits8)
1101         break;
1102
1103       case VPX_BITS_10:
1104         HIGHBD_BFP(BLOCK_32X16,
1105                    vpx_highbd_sad32x16_bits10,
1106                    vpx_highbd_sad32x16_avg_bits10,
1107                    vpx_highbd_10_variance32x16,
1108                    vpx_highbd_10_sub_pixel_variance32x16,
1109                    vpx_highbd_10_sub_pixel_avg_variance32x16,
1110                    NULL,
1111                    NULL,
1112                    vpx_highbd_sad32x16x4d_bits10)
1113
1114         HIGHBD_BFP(BLOCK_16X32,
1115                    vpx_highbd_sad16x32_bits10,
1116                    vpx_highbd_sad16x32_avg_bits10,
1117                    vpx_highbd_10_variance16x32,
1118                    vpx_highbd_10_sub_pixel_variance16x32,
1119                    vpx_highbd_10_sub_pixel_avg_variance16x32,
1120                    NULL,
1121                    NULL,
1122                    vpx_highbd_sad16x32x4d_bits10)
1123
1124         HIGHBD_BFP(BLOCK_64X32,
1125                    vpx_highbd_sad64x32_bits10,
1126                    vpx_highbd_sad64x32_avg_bits10,
1127                    vpx_highbd_10_variance64x32,
1128                    vpx_highbd_10_sub_pixel_variance64x32,
1129                    vpx_highbd_10_sub_pixel_avg_variance64x32,
1130                    NULL,
1131                    NULL,
1132                    vpx_highbd_sad64x32x4d_bits10)
1133
1134         HIGHBD_BFP(BLOCK_32X64,
1135                    vpx_highbd_sad32x64_bits10,
1136                    vpx_highbd_sad32x64_avg_bits10,
1137                    vpx_highbd_10_variance32x64,
1138                    vpx_highbd_10_sub_pixel_variance32x64,
1139                    vpx_highbd_10_sub_pixel_avg_variance32x64,
1140                    NULL,
1141                    NULL,
1142                    vpx_highbd_sad32x64x4d_bits10)
1143
1144         HIGHBD_BFP(BLOCK_32X32,
1145                    vpx_highbd_sad32x32_bits10,
1146                    vpx_highbd_sad32x32_avg_bits10,
1147                    vpx_highbd_10_variance32x32,
1148                    vpx_highbd_10_sub_pixel_variance32x32,
1149                    vpx_highbd_10_sub_pixel_avg_variance32x32,
1150                    vpx_highbd_sad32x32x3_bits10,
1151                    vpx_highbd_sad32x32x8_bits10,
1152                    vpx_highbd_sad32x32x4d_bits10)
1153
1154         HIGHBD_BFP(BLOCK_64X64,
1155                    vpx_highbd_sad64x64_bits10,
1156                    vpx_highbd_sad64x64_avg_bits10,
1157                    vpx_highbd_10_variance64x64,
1158                    vpx_highbd_10_sub_pixel_variance64x64,
1159                    vpx_highbd_10_sub_pixel_avg_variance64x64,
1160                    vpx_highbd_sad64x64x3_bits10,
1161                    vpx_highbd_sad64x64x8_bits10,
1162                    vpx_highbd_sad64x64x4d_bits10)
1163
1164         HIGHBD_BFP(BLOCK_16X16,
1165                    vpx_highbd_sad16x16_bits10,
1166                    vpx_highbd_sad16x16_avg_bits10,
1167                    vpx_highbd_10_variance16x16,
1168                    vpx_highbd_10_sub_pixel_variance16x16,
1169                    vpx_highbd_10_sub_pixel_avg_variance16x16,
1170                    vpx_highbd_sad16x16x3_bits10,
1171                    vpx_highbd_sad16x16x8_bits10,
1172                    vpx_highbd_sad16x16x4d_bits10)
1173
1174         HIGHBD_BFP(BLOCK_16X8,
1175                    vpx_highbd_sad16x8_bits10,
1176                    vpx_highbd_sad16x8_avg_bits10,
1177                    vpx_highbd_10_variance16x8,
1178                    vpx_highbd_10_sub_pixel_variance16x8,
1179                    vpx_highbd_10_sub_pixel_avg_variance16x8,
1180                    vpx_highbd_sad16x8x3_bits10,
1181                    vpx_highbd_sad16x8x8_bits10,
1182                    vpx_highbd_sad16x8x4d_bits10)
1183
1184         HIGHBD_BFP(BLOCK_8X16,
1185                    vpx_highbd_sad8x16_bits10,
1186                    vpx_highbd_sad8x16_avg_bits10,
1187                    vpx_highbd_10_variance8x16,
1188                    vpx_highbd_10_sub_pixel_variance8x16,
1189                    vpx_highbd_10_sub_pixel_avg_variance8x16,
1190                    vpx_highbd_sad8x16x3_bits10,
1191                    vpx_highbd_sad8x16x8_bits10,
1192                    vpx_highbd_sad8x16x4d_bits10)
1193
1194         HIGHBD_BFP(BLOCK_8X8,
1195                    vpx_highbd_sad8x8_bits10,
1196                    vpx_highbd_sad8x8_avg_bits10,
1197                    vpx_highbd_10_variance8x8,
1198                    vpx_highbd_10_sub_pixel_variance8x8,
1199                    vpx_highbd_10_sub_pixel_avg_variance8x8,
1200                    vpx_highbd_sad8x8x3_bits10,
1201                    vpx_highbd_sad8x8x8_bits10,
1202                    vpx_highbd_sad8x8x4d_bits10)
1203
1204         HIGHBD_BFP(BLOCK_8X4,
1205                    vpx_highbd_sad8x4_bits10,
1206                    vpx_highbd_sad8x4_avg_bits10,
1207                    vpx_highbd_10_variance8x4,
1208                    vpx_highbd_10_sub_pixel_variance8x4,
1209                    vpx_highbd_10_sub_pixel_avg_variance8x4,
1210                    NULL,
1211                    vpx_highbd_sad8x4x8_bits10,
1212                    vpx_highbd_sad8x4x4d_bits10)
1213
1214         HIGHBD_BFP(BLOCK_4X8,
1215                    vpx_highbd_sad4x8_bits10,
1216                    vpx_highbd_sad4x8_avg_bits10,
1217                    vpx_highbd_10_variance4x8,
1218                    vpx_highbd_10_sub_pixel_variance4x8,
1219                    vpx_highbd_10_sub_pixel_avg_variance4x8,
1220                    NULL,
1221                    vpx_highbd_sad4x8x8_bits10,
1222                    vpx_highbd_sad4x8x4d_bits10)
1223
1224         HIGHBD_BFP(BLOCK_4X4,
1225                    vpx_highbd_sad4x4_bits10,
1226                    vpx_highbd_sad4x4_avg_bits10,
1227                    vpx_highbd_10_variance4x4,
1228                    vpx_highbd_10_sub_pixel_variance4x4,
1229                    vpx_highbd_10_sub_pixel_avg_variance4x4,
1230                    vpx_highbd_sad4x4x3_bits10,
1231                    vpx_highbd_sad4x4x8_bits10,
1232                    vpx_highbd_sad4x4x4d_bits10)
1233         break;
1234
1235       case VPX_BITS_12:
1236         HIGHBD_BFP(BLOCK_32X16,
1237                    vpx_highbd_sad32x16_bits12,
1238                    vpx_highbd_sad32x16_avg_bits12,
1239                    vpx_highbd_12_variance32x16,
1240                    vpx_highbd_12_sub_pixel_variance32x16,
1241                    vpx_highbd_12_sub_pixel_avg_variance32x16,
1242                    NULL,
1243                    NULL,
1244                    vpx_highbd_sad32x16x4d_bits12)
1245
1246         HIGHBD_BFP(BLOCK_16X32,
1247                    vpx_highbd_sad16x32_bits12,
1248                    vpx_highbd_sad16x32_avg_bits12,
1249                    vpx_highbd_12_variance16x32,
1250                    vpx_highbd_12_sub_pixel_variance16x32,
1251                    vpx_highbd_12_sub_pixel_avg_variance16x32,
1252                    NULL,
1253                    NULL,
1254                    vpx_highbd_sad16x32x4d_bits12)
1255
1256         HIGHBD_BFP(BLOCK_64X32,
1257                    vpx_highbd_sad64x32_bits12,
1258                    vpx_highbd_sad64x32_avg_bits12,
1259                    vpx_highbd_12_variance64x32,
1260                    vpx_highbd_12_sub_pixel_variance64x32,
1261                    vpx_highbd_12_sub_pixel_avg_variance64x32,
1262                    NULL,
1263                    NULL,
1264                    vpx_highbd_sad64x32x4d_bits12)
1265
1266         HIGHBD_BFP(BLOCK_32X64,
1267                    vpx_highbd_sad32x64_bits12,
1268                    vpx_highbd_sad32x64_avg_bits12,
1269                    vpx_highbd_12_variance32x64,
1270                    vpx_highbd_12_sub_pixel_variance32x64,
1271                    vpx_highbd_12_sub_pixel_avg_variance32x64,
1272                    NULL,
1273                    NULL,
1274                    vpx_highbd_sad32x64x4d_bits12)
1275
1276         HIGHBD_BFP(BLOCK_32X32,
1277                    vpx_highbd_sad32x32_bits12,
1278                    vpx_highbd_sad32x32_avg_bits12,
1279                    vpx_highbd_12_variance32x32,
1280                    vpx_highbd_12_sub_pixel_variance32x32,
1281                    vpx_highbd_12_sub_pixel_avg_variance32x32,
1282                    vpx_highbd_sad32x32x3_bits12,
1283                    vpx_highbd_sad32x32x8_bits12,
1284                    vpx_highbd_sad32x32x4d_bits12)
1285
1286         HIGHBD_BFP(BLOCK_64X64,
1287                    vpx_highbd_sad64x64_bits12,
1288                    vpx_highbd_sad64x64_avg_bits12,
1289                    vpx_highbd_12_variance64x64,
1290                    vpx_highbd_12_sub_pixel_variance64x64,
1291                    vpx_highbd_12_sub_pixel_avg_variance64x64,
1292                    vpx_highbd_sad64x64x3_bits12,
1293                    vpx_highbd_sad64x64x8_bits12,
1294                    vpx_highbd_sad64x64x4d_bits12)
1295
1296         HIGHBD_BFP(BLOCK_16X16,
1297                    vpx_highbd_sad16x16_bits12,
1298                    vpx_highbd_sad16x16_avg_bits12,
1299                    vpx_highbd_12_variance16x16,
1300                    vpx_highbd_12_sub_pixel_variance16x16,
1301                    vpx_highbd_12_sub_pixel_avg_variance16x16,
1302                    vpx_highbd_sad16x16x3_bits12,
1303                    vpx_highbd_sad16x16x8_bits12,
1304                    vpx_highbd_sad16x16x4d_bits12)
1305
1306         HIGHBD_BFP(BLOCK_16X8,
1307                    vpx_highbd_sad16x8_bits12,
1308                    vpx_highbd_sad16x8_avg_bits12,
1309                    vpx_highbd_12_variance16x8,
1310                    vpx_highbd_12_sub_pixel_variance16x8,
1311                    vpx_highbd_12_sub_pixel_avg_variance16x8,
1312                    vpx_highbd_sad16x8x3_bits12,
1313                    vpx_highbd_sad16x8x8_bits12,
1314                    vpx_highbd_sad16x8x4d_bits12)
1315
1316         HIGHBD_BFP(BLOCK_8X16,
1317                    vpx_highbd_sad8x16_bits12,
1318                    vpx_highbd_sad8x16_avg_bits12,
1319                    vpx_highbd_12_variance8x16,
1320                    vpx_highbd_12_sub_pixel_variance8x16,
1321                    vpx_highbd_12_sub_pixel_avg_variance8x16,
1322                    vpx_highbd_sad8x16x3_bits12,
1323                    vpx_highbd_sad8x16x8_bits12,
1324                    vpx_highbd_sad8x16x4d_bits12)
1325
1326         HIGHBD_BFP(BLOCK_8X8,
1327                    vpx_highbd_sad8x8_bits12,
1328                    vpx_highbd_sad8x8_avg_bits12,
1329                    vpx_highbd_12_variance8x8,
1330                    vpx_highbd_12_sub_pixel_variance8x8,
1331                    vpx_highbd_12_sub_pixel_avg_variance8x8,
1332                    vpx_highbd_sad8x8x3_bits12,
1333                    vpx_highbd_sad8x8x8_bits12,
1334                    vpx_highbd_sad8x8x4d_bits12)
1335
1336         HIGHBD_BFP(BLOCK_8X4,
1337                    vpx_highbd_sad8x4_bits12,
1338                    vpx_highbd_sad8x4_avg_bits12,
1339                    vpx_highbd_12_variance8x4,
1340                    vpx_highbd_12_sub_pixel_variance8x4,
1341                    vpx_highbd_12_sub_pixel_avg_variance8x4,
1342                    NULL,
1343                    vpx_highbd_sad8x4x8_bits12,
1344                    vpx_highbd_sad8x4x4d_bits12)
1345
1346         HIGHBD_BFP(BLOCK_4X8,
1347                    vpx_highbd_sad4x8_bits12,
1348                    vpx_highbd_sad4x8_avg_bits12,
1349                    vpx_highbd_12_variance4x8,
1350                    vpx_highbd_12_sub_pixel_variance4x8,
1351                    vpx_highbd_12_sub_pixel_avg_variance4x8,
1352                    NULL,
1353                    vpx_highbd_sad4x8x8_bits12,
1354                    vpx_highbd_sad4x8x4d_bits12)
1355
1356         HIGHBD_BFP(BLOCK_4X4,
1357                    vpx_highbd_sad4x4_bits12,
1358                    vpx_highbd_sad4x4_avg_bits12,
1359                    vpx_highbd_12_variance4x4,
1360                    vpx_highbd_12_sub_pixel_variance4x4,
1361                    vpx_highbd_12_sub_pixel_avg_variance4x4,
1362                    vpx_highbd_sad4x4x3_bits12,
1363                    vpx_highbd_sad4x4x8_bits12,
1364                    vpx_highbd_sad4x4x4d_bits12)
1365         break;
1366
1367       default:
1368         assert(0 && "cm->bit_depth should be VPX_BITS_8, "
1369                     "VPX_BITS_10 or VPX_BITS_12");
1370     }
1371   }
1372 }
1373 #endif  // CONFIG_VP9_HIGHBITDEPTH
1374
1375 static void realloc_segmentation_maps(VP10_COMP *cpi) {
1376   VP10_COMMON *const cm = &cpi->common;
1377
1378   // Create the encoder segmentation map and set all entries to 0
1379   vpx_free(cpi->segmentation_map);
1380   CHECK_MEM_ERROR(cm, cpi->segmentation_map,
1381                   vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
1382
1383   // Create a map used for cyclic background refresh.
1384   if (cpi->cyclic_refresh)
1385     vp10_cyclic_refresh_free(cpi->cyclic_refresh);
1386   CHECK_MEM_ERROR(cm, cpi->cyclic_refresh,
1387                   vp10_cyclic_refresh_alloc(cm->mi_rows, cm->mi_cols));
1388
1389   // Create a map used to mark inactive areas.
1390   vpx_free(cpi->active_map.map);
1391   CHECK_MEM_ERROR(cm, cpi->active_map.map,
1392                   vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
1393
1394   // And a place holder structure is the coding context
1395   // for use if we want to save and restore it
1396   vpx_free(cpi->coding_context.last_frame_seg_map_copy);
1397   CHECK_MEM_ERROR(cm, cpi->coding_context.last_frame_seg_map_copy,
1398                   vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
1399 }
1400
1401 void vp10_change_config(struct VP10_COMP *cpi, const VP10EncoderConfig *oxcf) {
1402   VP10_COMMON *const cm = &cpi->common;
1403   RATE_CONTROL *const rc = &cpi->rc;
1404
1405   if (cm->profile != oxcf->profile)
1406     cm->profile = oxcf->profile;
1407   cm->bit_depth = oxcf->bit_depth;
1408   cm->color_space = oxcf->color_space;
1409
1410   if (cm->profile <= PROFILE_1)
1411     assert(cm->bit_depth == VPX_BITS_8);
1412   else
1413     assert(cm->bit_depth > VPX_BITS_8);
1414
1415   cpi->oxcf = *oxcf;
1416 #if CONFIG_VP9_HIGHBITDEPTH
1417   cpi->td.mb.e_mbd.bd = (int)cm->bit_depth;
1418 #endif  // CONFIG_VP9_HIGHBITDEPTH
1419
1420   rc->baseline_gf_interval = (MIN_GF_INTERVAL + MAX_GF_INTERVAL) / 2;
1421
1422   cpi->refresh_golden_frame = 0;
1423   cpi->refresh_last_frame = 1;
1424   cm->refresh_frame_context = 1;
1425   cm->reset_frame_context = 0;
1426
1427   vp10_reset_segment_features(&cm->seg);
1428   vp10_set_high_precision_mv(cpi, 0);
1429
1430   {
1431     int i;
1432
1433     for (i = 0; i < MAX_SEGMENTS; i++)
1434       cpi->segment_encode_breakout[i] = cpi->oxcf.encode_breakout;
1435   }
1436   cpi->encode_breakout = cpi->oxcf.encode_breakout;
1437
1438   set_rc_buffer_sizes(rc, &cpi->oxcf);
1439
1440   // Under a configuration change, where maximum_buffer_size may change,
1441   // keep buffer level clipped to the maximum allowed buffer size.
1442   rc->bits_off_target = VPXMIN(rc->bits_off_target, rc->maximum_buffer_size);
1443   rc->buffer_level = VPXMIN(rc->buffer_level, rc->maximum_buffer_size);
1444
1445   // Set up frame rate and related parameters rate control values.
1446   vp10_new_framerate(cpi, cpi->framerate);
1447
1448   // Set absolute upper and lower quality limits
1449   rc->worst_quality = cpi->oxcf.worst_allowed_q;
1450   rc->best_quality = cpi->oxcf.best_allowed_q;
1451
1452   cm->interp_filter = cpi->sf.default_interp_filter;
1453
1454   cm->display_width = cpi->oxcf.width;
1455   cm->display_height = cpi->oxcf.height;
1456   cm->width = cpi->oxcf.width;
1457   cm->height = cpi->oxcf.height;
1458
1459   if (cpi->initial_width) {
1460     if (cm->width > cpi->initial_width || cm->height > cpi->initial_height) {
1461       vp10_free_context_buffers(cm);
1462       vp10_alloc_compressor_data(cpi);
1463       realloc_segmentation_maps(cpi);
1464       cpi->initial_width = cpi->initial_height = 0;
1465     }
1466   }
1467   update_frame_size(cpi);
1468
1469   cpi->alt_ref_source = NULL;
1470   rc->is_src_frame_alt_ref = 0;
1471
1472 #if 0
1473   // Experimental RD Code
1474   cpi->frame_distortion = 0;
1475   cpi->last_frame_distortion = 0;
1476 #endif
1477
1478   set_tile_limits(cpi);
1479
1480   cpi->ext_refresh_frame_flags_pending = 0;
1481   cpi->ext_refresh_frame_context_pending = 0;
1482
1483 #if CONFIG_VP9_HIGHBITDEPTH
1484   highbd_set_var_fns(cpi);
1485 #endif
1486 }
1487
1488 #ifndef M_LOG2_E
1489 #define M_LOG2_E 0.693147180559945309417
1490 #endif
1491 #define log2f(x) (log (x) / (float) M_LOG2_E)
1492
1493 static void cal_nmvjointsadcost(int *mvjointsadcost) {
1494   mvjointsadcost[0] = 600;
1495   mvjointsadcost[1] = 300;
1496   mvjointsadcost[2] = 300;
1497   mvjointsadcost[3] = 300;
1498 }
1499
1500 static void cal_nmvsadcosts(int *mvsadcost[2]) {
1501   int i = 1;
1502
1503   mvsadcost[0][0] = 0;
1504   mvsadcost[1][0] = 0;
1505
1506   do {
1507     double z = 256 * (2 * (log2f(8 * i) + .6));
1508     mvsadcost[0][i] = (int)z;
1509     mvsadcost[1][i] = (int)z;
1510     mvsadcost[0][-i] = (int)z;
1511     mvsadcost[1][-i] = (int)z;
1512   } while (++i <= MV_MAX);
1513 }
1514
1515 static void cal_nmvsadcosts_hp(int *mvsadcost[2]) {
1516   int i = 1;
1517
1518   mvsadcost[0][0] = 0;
1519   mvsadcost[1][0] = 0;
1520
1521   do {
1522     double z = 256 * (2 * (log2f(8 * i) + .6));
1523     mvsadcost[0][i] = (int)z;
1524     mvsadcost[1][i] = (int)z;
1525     mvsadcost[0][-i] = (int)z;
1526     mvsadcost[1][-i] = (int)z;
1527   } while (++i <= MV_MAX);
1528 }
1529
1530
1531 VP10_COMP *vp10_create_compressor(VP10EncoderConfig *oxcf,
1532                                 BufferPool *const pool) {
1533   unsigned int i;
1534   VP10_COMP *volatile const cpi = vpx_memalign(32, sizeof(VP10_COMP));
1535   VP10_COMMON *volatile const cm = cpi != NULL ? &cpi->common : NULL;
1536
1537   if (!cm)
1538     return NULL;
1539
1540   vp10_zero(*cpi);
1541
1542   if (setjmp(cm->error.jmp)) {
1543     cm->error.setjmp = 0;
1544     vp10_remove_compressor(cpi);
1545     return 0;
1546   }
1547
1548   cm->error.setjmp = 1;
1549   cm->alloc_mi = vp10_enc_alloc_mi;
1550   cm->free_mi = vp10_enc_free_mi;
1551   cm->setup_mi = vp10_enc_setup_mi;
1552
1553   CHECK_MEM_ERROR(cm, cm->fc,
1554                   (FRAME_CONTEXT *)vpx_calloc(1, sizeof(*cm->fc)));
1555   CHECK_MEM_ERROR(cm, cm->frame_contexts,
1556                   (FRAME_CONTEXT *)vpx_calloc(FRAME_CONTEXTS,
1557                   sizeof(*cm->frame_contexts)));
1558
1559   cpi->resize_state = 0;
1560   cpi->resize_avg_qp = 0;
1561   cpi->resize_buffer_underflow = 0;
1562   cpi->common.buffer_pool = pool;
1563
1564   init_config(cpi, oxcf);
1565   vp10_rc_init(&cpi->oxcf, oxcf->pass, &cpi->rc);
1566
1567   cm->current_video_frame = 0;
1568   cpi->partition_search_skippable_frame = 0;
1569   cpi->tile_data = NULL;
1570
1571   realloc_segmentation_maps(cpi);
1572
1573   CHECK_MEM_ERROR(cm, cpi->nmvcosts[0],
1574                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts[0])));
1575   CHECK_MEM_ERROR(cm, cpi->nmvcosts[1],
1576                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts[1])));
1577   CHECK_MEM_ERROR(cm, cpi->nmvcosts_hp[0],
1578                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts_hp[0])));
1579   CHECK_MEM_ERROR(cm, cpi->nmvcosts_hp[1],
1580                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts_hp[1])));
1581   CHECK_MEM_ERROR(cm, cpi->nmvsadcosts[0],
1582                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts[0])));
1583   CHECK_MEM_ERROR(cm, cpi->nmvsadcosts[1],
1584                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts[1])));
1585   CHECK_MEM_ERROR(cm, cpi->nmvsadcosts_hp[0],
1586                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts_hp[0])));
1587   CHECK_MEM_ERROR(cm, cpi->nmvsadcosts_hp[1],
1588                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts_hp[1])));
1589
1590   for (i = 0; i < (sizeof(cpi->mbgraph_stats) /
1591                    sizeof(cpi->mbgraph_stats[0])); i++) {
1592     CHECK_MEM_ERROR(cm, cpi->mbgraph_stats[i].mb_stats,
1593                     vpx_calloc(cm->MBs *
1594                                sizeof(*cpi->mbgraph_stats[i].mb_stats), 1));
1595   }
1596
1597 #if CONFIG_FP_MB_STATS
1598   cpi->use_fp_mb_stats = 0;
1599   if (cpi->use_fp_mb_stats) {
1600     // a place holder used to store the first pass mb stats in the first pass
1601     CHECK_MEM_ERROR(cm, cpi->twopass.frame_mb_stats_buf,
1602                     vpx_calloc(cm->MBs * sizeof(uint8_t), 1));
1603   } else {
1604     cpi->twopass.frame_mb_stats_buf = NULL;
1605   }
1606 #endif
1607
1608   cpi->refresh_alt_ref_frame = 0;
1609   cpi->multi_arf_last_grp_enabled = 0;
1610
1611   cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS;
1612 #if CONFIG_INTERNAL_STATS
1613   cpi->b_calculate_ssimg = 0;
1614   cpi->b_calculate_blockiness = 1;
1615   cpi->b_calculate_consistency = 1;
1616   cpi->total_inconsistency = 0;
1617   cpi->psnr.worst = 100.0;
1618   cpi->worst_ssim = 100.0;
1619
1620   cpi->count = 0;
1621   cpi->bytes = 0;
1622
1623   if (cpi->b_calculate_psnr) {
1624     cpi->total_sq_error = 0;
1625     cpi->total_samples = 0;
1626
1627     cpi->totalp_sq_error = 0;
1628     cpi->totalp_samples = 0;
1629
1630     cpi->tot_recode_hits = 0;
1631     cpi->summed_quality = 0;
1632     cpi->summed_weights = 0;
1633     cpi->summedp_quality = 0;
1634     cpi->summedp_weights = 0;
1635   }
1636
1637   if (cpi->b_calculate_ssimg) {
1638     cpi->ssimg.worst= 100.0;
1639   }
1640   cpi->fastssim.worst = 100.0;
1641
1642   cpi->psnrhvs.worst = 100.0;
1643
1644   if (cpi->b_calculate_blockiness) {
1645     cpi->total_blockiness = 0;
1646     cpi->worst_blockiness = 0.0;
1647   }
1648
1649   if (cpi->b_calculate_consistency) {
1650     cpi->ssim_vars = vpx_malloc(sizeof(*cpi->ssim_vars) *
1651                                 4 * cpi->common.mi_rows * cpi->common.mi_cols);
1652     cpi->worst_consistency = 100.0;
1653   }
1654
1655 #endif
1656
1657   cpi->first_time_stamp_ever = INT64_MAX;
1658
1659   cal_nmvjointsadcost(cpi->td.mb.nmvjointsadcost);
1660   cpi->td.mb.nmvcost[0] = &cpi->nmvcosts[0][MV_MAX];
1661   cpi->td.mb.nmvcost[1] = &cpi->nmvcosts[1][MV_MAX];
1662   cpi->td.mb.nmvsadcost[0] = &cpi->nmvsadcosts[0][MV_MAX];
1663   cpi->td.mb.nmvsadcost[1] = &cpi->nmvsadcosts[1][MV_MAX];
1664   cal_nmvsadcosts(cpi->td.mb.nmvsadcost);
1665
1666   cpi->td.mb.nmvcost_hp[0] = &cpi->nmvcosts_hp[0][MV_MAX];
1667   cpi->td.mb.nmvcost_hp[1] = &cpi->nmvcosts_hp[1][MV_MAX];
1668   cpi->td.mb.nmvsadcost_hp[0] = &cpi->nmvsadcosts_hp[0][MV_MAX];
1669   cpi->td.mb.nmvsadcost_hp[1] = &cpi->nmvsadcosts_hp[1][MV_MAX];
1670   cal_nmvsadcosts_hp(cpi->td.mb.nmvsadcost_hp);
1671
1672 #if CONFIG_VP9_TEMPORAL_DENOISING
1673 #ifdef OUTPUT_YUV_DENOISED
1674   yuv_denoised_file = fopen("denoised.yuv", "ab");
1675 #endif
1676 #endif
1677 #ifdef OUTPUT_YUV_SKINMAP
1678   yuv_skinmap_file = fopen("skinmap.yuv", "ab");
1679 #endif
1680 #ifdef OUTPUT_YUV_REC
1681   yuv_rec_file = fopen("rec.yuv", "wb");
1682 #endif
1683
1684 #if 0
1685   framepsnr = fopen("framepsnr.stt", "a");
1686   kf_list = fopen("kf_list.stt", "w");
1687 #endif
1688
1689   cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
1690
1691   if (oxcf->pass == 1) {
1692     vp10_init_first_pass(cpi);
1693   } else if (oxcf->pass == 2) {
1694     const size_t packet_sz = sizeof(FIRSTPASS_STATS);
1695     const int packets = (int)(oxcf->two_pass_stats_in.sz / packet_sz);
1696
1697 #if CONFIG_FP_MB_STATS
1698     if (cpi->use_fp_mb_stats) {
1699       const size_t psz = cpi->common.MBs * sizeof(uint8_t);
1700       const int ps = (int)(oxcf->firstpass_mb_stats_in.sz / psz);
1701
1702       cpi->twopass.firstpass_mb_stats.mb_stats_start =
1703           oxcf->firstpass_mb_stats_in.buf;
1704       cpi->twopass.firstpass_mb_stats.mb_stats_end =
1705           cpi->twopass.firstpass_mb_stats.mb_stats_start +
1706           (ps - 1) * cpi->common.MBs * sizeof(uint8_t);
1707     }
1708 #endif
1709
1710     cpi->twopass.stats_in_start = oxcf->two_pass_stats_in.buf;
1711     cpi->twopass.stats_in = cpi->twopass.stats_in_start;
1712     cpi->twopass.stats_in_end = &cpi->twopass.stats_in[packets - 1];
1713
1714     vp10_init_second_pass(cpi);
1715   }
1716
1717   vp10_set_speed_features_framesize_independent(cpi);
1718   vp10_set_speed_features_framesize_dependent(cpi);
1719
1720   // Allocate memory to store variances for a frame.
1721   CHECK_MEM_ERROR(cm, cpi->source_diff_var,
1722                   vpx_calloc(cm->MBs, sizeof(diff)));
1723   cpi->source_var_thresh = 0;
1724   cpi->frames_till_next_var_check = 0;
1725
1726 #define BFP(BT, SDF, SDAF, VF, SVF, SVAF, SDX3F, SDX8F, SDX4DF)\
1727     cpi->fn_ptr[BT].sdf            = SDF; \
1728     cpi->fn_ptr[BT].sdaf           = SDAF; \
1729     cpi->fn_ptr[BT].vf             = VF; \
1730     cpi->fn_ptr[BT].svf            = SVF; \
1731     cpi->fn_ptr[BT].svaf           = SVAF; \
1732     cpi->fn_ptr[BT].sdx3f          = SDX3F; \
1733     cpi->fn_ptr[BT].sdx8f          = SDX8F; \
1734     cpi->fn_ptr[BT].sdx4df         = SDX4DF;
1735
1736   BFP(BLOCK_32X16, vpx_sad32x16, vpx_sad32x16_avg,
1737       vpx_variance32x16, vpx_sub_pixel_variance32x16,
1738       vpx_sub_pixel_avg_variance32x16, NULL, NULL, vpx_sad32x16x4d)
1739
1740   BFP(BLOCK_16X32, vpx_sad16x32, vpx_sad16x32_avg,
1741       vpx_variance16x32, vpx_sub_pixel_variance16x32,
1742       vpx_sub_pixel_avg_variance16x32, NULL, NULL, vpx_sad16x32x4d)
1743
1744   BFP(BLOCK_64X32, vpx_sad64x32, vpx_sad64x32_avg,
1745       vpx_variance64x32, vpx_sub_pixel_variance64x32,
1746       vpx_sub_pixel_avg_variance64x32, NULL, NULL, vpx_sad64x32x4d)
1747
1748   BFP(BLOCK_32X64, vpx_sad32x64, vpx_sad32x64_avg,
1749       vpx_variance32x64, vpx_sub_pixel_variance32x64,
1750       vpx_sub_pixel_avg_variance32x64, NULL, NULL, vpx_sad32x64x4d)
1751
1752   BFP(BLOCK_32X32, vpx_sad32x32, vpx_sad32x32_avg,
1753       vpx_variance32x32, vpx_sub_pixel_variance32x32,
1754       vpx_sub_pixel_avg_variance32x32, vpx_sad32x32x3, vpx_sad32x32x8,
1755       vpx_sad32x32x4d)
1756
1757   BFP(BLOCK_64X64, vpx_sad64x64, vpx_sad64x64_avg,
1758       vpx_variance64x64, vpx_sub_pixel_variance64x64,
1759       vpx_sub_pixel_avg_variance64x64, vpx_sad64x64x3, vpx_sad64x64x8,
1760       vpx_sad64x64x4d)
1761
1762   BFP(BLOCK_16X16, vpx_sad16x16, vpx_sad16x16_avg,
1763       vpx_variance16x16, vpx_sub_pixel_variance16x16,
1764       vpx_sub_pixel_avg_variance16x16, vpx_sad16x16x3, vpx_sad16x16x8,
1765       vpx_sad16x16x4d)
1766
1767   BFP(BLOCK_16X8, vpx_sad16x8, vpx_sad16x8_avg,
1768       vpx_variance16x8, vpx_sub_pixel_variance16x8,
1769       vpx_sub_pixel_avg_variance16x8,
1770       vpx_sad16x8x3, vpx_sad16x8x8, vpx_sad16x8x4d)
1771
1772   BFP(BLOCK_8X16, vpx_sad8x16, vpx_sad8x16_avg,
1773       vpx_variance8x16, vpx_sub_pixel_variance8x16,
1774       vpx_sub_pixel_avg_variance8x16,
1775       vpx_sad8x16x3, vpx_sad8x16x8, vpx_sad8x16x4d)
1776
1777   BFP(BLOCK_8X8, vpx_sad8x8, vpx_sad8x8_avg,
1778       vpx_variance8x8, vpx_sub_pixel_variance8x8,
1779       vpx_sub_pixel_avg_variance8x8,
1780       vpx_sad8x8x3, vpx_sad8x8x8, vpx_sad8x8x4d)
1781
1782   BFP(BLOCK_8X4, vpx_sad8x4, vpx_sad8x4_avg,
1783       vpx_variance8x4, vpx_sub_pixel_variance8x4,
1784       vpx_sub_pixel_avg_variance8x4, NULL, vpx_sad8x4x8, vpx_sad8x4x4d)
1785
1786   BFP(BLOCK_4X8, vpx_sad4x8, vpx_sad4x8_avg,
1787       vpx_variance4x8, vpx_sub_pixel_variance4x8,
1788       vpx_sub_pixel_avg_variance4x8, NULL, vpx_sad4x8x8, vpx_sad4x8x4d)
1789
1790   BFP(BLOCK_4X4, vpx_sad4x4, vpx_sad4x4_avg,
1791       vpx_variance4x4, vpx_sub_pixel_variance4x4,
1792       vpx_sub_pixel_avg_variance4x4,
1793       vpx_sad4x4x3, vpx_sad4x4x8, vpx_sad4x4x4d)
1794
1795 #if CONFIG_VP9_HIGHBITDEPTH
1796   highbd_set_var_fns(cpi);
1797 #endif
1798
1799   /* vp10_init_quantizer() is first called here. Add check in
1800    * vp10_frame_init_quantizer() so that vp10_init_quantizer is only
1801    * called later when needed. This will avoid unnecessary calls of
1802    * vp10_init_quantizer() for every frame.
1803    */
1804   vp10_init_quantizer(cpi);
1805
1806   vp10_loop_filter_init(cm);
1807
1808   cm->error.setjmp = 0;
1809
1810   return cpi;
1811 }
1812 #define SNPRINT(H, T) \
1813   snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T))
1814
1815 #define SNPRINT2(H, T, V) \
1816   snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T), (V))
1817
1818 void vp10_remove_compressor(VP10_COMP *cpi) {
1819   VP10_COMMON *const cm = &cpi->common;
1820   unsigned int i;
1821   int t;
1822
1823   if (!cpi)
1824     return;
1825
1826   if (cpi && (cm->current_video_frame > 0)) {
1827 #if CONFIG_INTERNAL_STATS
1828     vpx_clear_system_state();
1829
1830     if (cpi->oxcf.pass != 1) {
1831       char headings[512] = {0};
1832       char results[512] = {0};
1833       FILE *f = fopen("opsnr.stt", "a");
1834       double time_encoded = (cpi->last_end_time_stamp_seen
1835                              - cpi->first_time_stamp_ever) / 10000000.000;
1836       double total_encode_time = (cpi->time_receive_data +
1837                                   cpi->time_compress_data)   / 1000.000;
1838       const double dr =
1839           (double)cpi->bytes * (double) 8 / (double)1000 / time_encoded;
1840       const double peak = (double)((1 << cpi->oxcf.input_bit_depth) - 1);
1841
1842       if (cpi->b_calculate_psnr) {
1843         const double total_psnr =
1844             vpx_sse_to_psnr((double)cpi->total_samples, peak,
1845                             (double)cpi->total_sq_error);
1846         const double totalp_psnr =
1847             vpx_sse_to_psnr((double)cpi->totalp_samples, peak,
1848                             (double)cpi->totalp_sq_error);
1849         const double total_ssim = 100 * pow(cpi->summed_quality /
1850                                             cpi->summed_weights, 8.0);
1851         const double totalp_ssim = 100 * pow(cpi->summedp_quality /
1852                                              cpi->summedp_weights, 8.0);
1853
1854         snprintf(headings, sizeof(headings),
1855                  "Bitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\tGLPsnrP\t"
1856                  "VPXSSIM\tVPSSIMP\tFASTSIM\tPSNRHVS\t"
1857                  "WstPsnr\tWstSsim\tWstFast\tWstHVS");
1858         snprintf(results, sizeof(results),
1859                  "%7.2f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
1860                  "%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
1861                  "%7.3f\t%7.3f\t%7.3f\t%7.3f",
1862                  dr, cpi->psnr.stat[ALL] / cpi->count, total_psnr,
1863                  cpi->psnrp.stat[ALL] / cpi->count, totalp_psnr,
1864                  total_ssim, totalp_ssim,
1865                  cpi->fastssim.stat[ALL] / cpi->count,
1866                  cpi->psnrhvs.stat[ALL] / cpi->count,
1867                  cpi->psnr.worst, cpi->worst_ssim, cpi->fastssim.worst,
1868                  cpi->psnrhvs.worst);
1869
1870         if (cpi->b_calculate_blockiness) {
1871           SNPRINT(headings, "\t  Block\tWstBlck");
1872           SNPRINT2(results, "\t%7.3f", cpi->total_blockiness / cpi->count);
1873           SNPRINT2(results, "\t%7.3f", cpi->worst_blockiness);
1874         }
1875
1876         if (cpi->b_calculate_consistency) {
1877           double consistency =
1878               vpx_sse_to_psnr((double)cpi->totalp_samples, peak,
1879                               (double)cpi->total_inconsistency);
1880
1881           SNPRINT(headings, "\tConsist\tWstCons");
1882           SNPRINT2(results, "\t%7.3f", consistency);
1883           SNPRINT2(results, "\t%7.3f", cpi->worst_consistency);
1884         }
1885
1886         if (cpi->b_calculate_ssimg) {
1887           SNPRINT(headings, "\t  SSIMG\tWtSSIMG");
1888           SNPRINT2(results, "\t%7.3f", cpi->ssimg.stat[ALL] / cpi->count);
1889           SNPRINT2(results, "\t%7.3f", cpi->ssimg.worst);
1890         }
1891
1892         fprintf(f, "%s\t    Time\n", headings);
1893         fprintf(f, "%s\t%8.0f\n", results, total_encode_time);
1894       }
1895
1896       fclose(f);
1897     }
1898
1899 #endif
1900
1901 #if 0
1902     {
1903       printf("\n_pick_loop_filter_level:%d\n", cpi->time_pick_lpf / 1000);
1904       printf("\n_frames recive_data encod_mb_row compress_frame  Total\n");
1905       printf("%6d %10ld %10ld %10ld %10ld\n", cpi->common.current_video_frame,
1906              cpi->time_receive_data / 1000, cpi->time_encode_sb_row / 1000,
1907              cpi->time_compress_data / 1000,
1908              (cpi->time_receive_data + cpi->time_compress_data) / 1000);
1909     }
1910 #endif
1911   }
1912
1913 #if CONFIG_VP9_TEMPORAL_DENOISING
1914   vp10_denoiser_free(&(cpi->denoiser));
1915 #endif
1916
1917   for (t = 0; t < cpi->num_workers; ++t) {
1918     VPxWorker *const worker = &cpi->workers[t];
1919     EncWorkerData *const thread_data = &cpi->tile_thr_data[t];
1920
1921     // Deallocate allocated threads.
1922     vpx_get_worker_interface()->end(worker);
1923
1924     // Deallocate allocated thread data.
1925     if (t < cpi->num_workers - 1) {
1926       vpx_free(thread_data->td->counts);
1927       vp10_free_pc_tree(thread_data->td);
1928       vpx_free(thread_data->td);
1929     }
1930   }
1931   vpx_free(cpi->tile_thr_data);
1932   vpx_free(cpi->workers);
1933
1934   if (cpi->num_workers > 1)
1935     vp10_loop_filter_dealloc(&cpi->lf_row_sync);
1936
1937   dealloc_compressor_data(cpi);
1938
1939   for (i = 0; i < sizeof(cpi->mbgraph_stats) /
1940                   sizeof(cpi->mbgraph_stats[0]); ++i) {
1941     vpx_free(cpi->mbgraph_stats[i].mb_stats);
1942   }
1943
1944 #if CONFIG_FP_MB_STATS
1945   if (cpi->use_fp_mb_stats) {
1946     vpx_free(cpi->twopass.frame_mb_stats_buf);
1947     cpi->twopass.frame_mb_stats_buf = NULL;
1948   }
1949 #endif
1950
1951   vp10_remove_common(cm);
1952   vp10_free_ref_frame_buffers(cm->buffer_pool);
1953 #if CONFIG_VP9_POSTPROC
1954   vp10_free_postproc_buffers(cm);
1955 #endif
1956   vpx_free(cpi);
1957
1958 #if CONFIG_VP9_TEMPORAL_DENOISING
1959 #ifdef OUTPUT_YUV_DENOISED
1960   fclose(yuv_denoised_file);
1961 #endif
1962 #endif
1963 #ifdef OUTPUT_YUV_SKINMAP
1964   fclose(yuv_skinmap_file);
1965 #endif
1966 #ifdef OUTPUT_YUV_REC
1967   fclose(yuv_rec_file);
1968 #endif
1969
1970 #if 0
1971
1972   if (keyfile)
1973     fclose(keyfile);
1974
1975   if (framepsnr)
1976     fclose(framepsnr);
1977
1978   if (kf_list)
1979     fclose(kf_list);
1980
1981 #endif
1982 }
1983
1984 /* TODO(yaowu): The block_variance calls the unoptimized versions of variance()
1985  * and highbd_8_variance(). It should not.
1986  */
1987 static void encoder_variance(const uint8_t *a, int  a_stride,
1988                              const uint8_t *b, int  b_stride,
1989                              int  w, int  h, unsigned int *sse, int *sum) {
1990   int i, j;
1991
1992   *sum = 0;
1993   *sse = 0;
1994
1995   for (i = 0; i < h; i++) {
1996     for (j = 0; j < w; j++) {
1997       const int diff = a[j] - b[j];
1998       *sum += diff;
1999       *sse += diff * diff;
2000     }
2001
2002     a += a_stride;
2003     b += b_stride;
2004   }
2005 }
2006
2007 #if CONFIG_VP9_HIGHBITDEPTH
2008 static void encoder_highbd_variance64(const uint8_t *a8, int  a_stride,
2009                                       const uint8_t *b8, int  b_stride,
2010                                       int w, int h, uint64_t *sse,
2011                                       uint64_t *sum) {
2012   int i, j;
2013
2014   uint16_t *a = CONVERT_TO_SHORTPTR(a8);
2015   uint16_t *b = CONVERT_TO_SHORTPTR(b8);
2016   *sum = 0;
2017   *sse = 0;
2018
2019   for (i = 0; i < h; i++) {
2020     for (j = 0; j < w; j++) {
2021       const int diff = a[j] - b[j];
2022       *sum += diff;
2023       *sse += diff * diff;
2024     }
2025     a += a_stride;
2026     b += b_stride;
2027   }
2028 }
2029
2030 static void encoder_highbd_8_variance(const uint8_t *a8, int  a_stride,
2031                                       const uint8_t *b8, int  b_stride,
2032                                       int w, int h,
2033                                       unsigned int *sse, int *sum) {
2034   uint64_t sse_long = 0;
2035   uint64_t sum_long = 0;
2036   encoder_highbd_variance64(a8, a_stride, b8, b_stride, w, h,
2037                             &sse_long, &sum_long);
2038   *sse = (unsigned int)sse_long;
2039   *sum = (int)sum_long;
2040 }
2041 #endif  // CONFIG_VP9_HIGHBITDEPTH
2042
2043 static int64_t get_sse(const uint8_t *a, int a_stride,
2044                        const uint8_t *b, int b_stride,
2045                        int width, int height) {
2046   const int dw = width % 16;
2047   const int dh = height % 16;
2048   int64_t total_sse = 0;
2049   unsigned int sse = 0;
2050   int sum = 0;
2051   int x, y;
2052
2053   if (dw > 0) {
2054     encoder_variance(&a[width - dw], a_stride, &b[width - dw], b_stride,
2055                      dw, height, &sse, &sum);
2056     total_sse += sse;
2057   }
2058
2059   if (dh > 0) {
2060     encoder_variance(&a[(height - dh) * a_stride], a_stride,
2061                      &b[(height - dh) * b_stride], b_stride,
2062                      width - dw, dh, &sse, &sum);
2063     total_sse += sse;
2064   }
2065
2066   for (y = 0; y < height / 16; ++y) {
2067     const uint8_t *pa = a;
2068     const uint8_t *pb = b;
2069     for (x = 0; x < width / 16; ++x) {
2070       vpx_mse16x16(pa, a_stride, pb, b_stride, &sse);
2071       total_sse += sse;
2072
2073       pa += 16;
2074       pb += 16;
2075     }
2076
2077     a += 16 * a_stride;
2078     b += 16 * b_stride;
2079   }
2080
2081   return total_sse;
2082 }
2083
2084 #if CONFIG_VP9_HIGHBITDEPTH
2085 static int64_t highbd_get_sse_shift(const uint8_t *a8, int a_stride,
2086                                     const uint8_t *b8, int b_stride,
2087                                     int width, int height,
2088                                     unsigned int input_shift) {
2089   const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
2090   const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
2091   int64_t total_sse = 0;
2092   int x, y;
2093   for (y = 0; y < height; ++y) {
2094     for (x = 0; x < width; ++x) {
2095       int64_t diff;
2096       diff = (a[x] >> input_shift) - (b[x] >> input_shift);
2097       total_sse += diff * diff;
2098     }
2099     a += a_stride;
2100     b += b_stride;
2101   }
2102   return total_sse;
2103 }
2104
2105 static int64_t highbd_get_sse(const uint8_t *a, int a_stride,
2106                               const uint8_t *b, int b_stride,
2107                               int width, int height) {
2108   int64_t total_sse = 0;
2109   int x, y;
2110   const int dw = width % 16;
2111   const int dh = height % 16;
2112   unsigned int sse = 0;
2113   int sum = 0;
2114   if (dw > 0) {
2115     encoder_highbd_8_variance(&a[width - dw], a_stride,
2116                               &b[width - dw], b_stride,
2117                               dw, height, &sse, &sum);
2118     total_sse += sse;
2119   }
2120   if (dh > 0) {
2121     encoder_highbd_8_variance(&a[(height - dh) * a_stride], a_stride,
2122                               &b[(height - dh) * b_stride], b_stride,
2123                               width - dw, dh, &sse, &sum);
2124     total_sse += sse;
2125   }
2126   for (y = 0; y < height / 16; ++y) {
2127     const uint8_t *pa = a;
2128     const uint8_t *pb = b;
2129     for (x = 0; x < width / 16; ++x) {
2130       vpx_highbd_8_mse16x16(pa, a_stride, pb, b_stride, &sse);
2131       total_sse += sse;
2132       pa += 16;
2133       pb += 16;
2134     }
2135     a += 16 * a_stride;
2136     b += 16 * b_stride;
2137   }
2138   return total_sse;
2139 }
2140 #endif  // CONFIG_VP9_HIGHBITDEPTH
2141
2142 typedef struct {
2143   double psnr[4];       // total/y/u/v
2144   uint64_t sse[4];      // total/y/u/v
2145   uint32_t samples[4];  // total/y/u/v
2146 } PSNR_STATS;
2147
2148 #if CONFIG_VP9_HIGHBITDEPTH
2149 static void calc_highbd_psnr(const YV12_BUFFER_CONFIG *a,
2150                              const YV12_BUFFER_CONFIG *b,
2151                              PSNR_STATS *psnr,
2152                              unsigned int bit_depth,
2153                              unsigned int in_bit_depth) {
2154   const int widths[3] =
2155       {a->y_crop_width,  a->uv_crop_width,  a->uv_crop_width };
2156   const int heights[3] =
2157       {a->y_crop_height, a->uv_crop_height, a->uv_crop_height};
2158   const uint8_t *a_planes[3] = {a->y_buffer, a->u_buffer,  a->v_buffer };
2159   const int a_strides[3] = {a->y_stride, a->uv_stride, a->uv_stride};
2160   const uint8_t *b_planes[3] = {b->y_buffer, b->u_buffer,  b->v_buffer };
2161   const int b_strides[3] = {b->y_stride, b->uv_stride, b->uv_stride};
2162   int i;
2163   uint64_t total_sse = 0;
2164   uint32_t total_samples = 0;
2165   const double peak = (double)((1 << in_bit_depth) - 1);
2166   const unsigned int input_shift = bit_depth - in_bit_depth;
2167
2168   for (i = 0; i < 3; ++i) {
2169     const int w = widths[i];
2170     const int h = heights[i];
2171     const uint32_t samples = w * h;
2172     uint64_t sse;
2173     if (a->flags & YV12_FLAG_HIGHBITDEPTH) {
2174       if (input_shift) {
2175         sse = highbd_get_sse_shift(a_planes[i], a_strides[i],
2176                                    b_planes[i], b_strides[i], w, h,
2177                                    input_shift);
2178       } else {
2179         sse = highbd_get_sse(a_planes[i], a_strides[i],
2180                              b_planes[i], b_strides[i], w, h);
2181       }
2182     } else {
2183       sse = get_sse(a_planes[i], a_strides[i],
2184                     b_planes[i], b_strides[i],
2185                     w, h);
2186     }
2187     psnr->sse[1 + i] = sse;
2188     psnr->samples[1 + i] = samples;
2189     psnr->psnr[1 + i] = vpx_sse_to_psnr(samples, peak, (double)sse);
2190
2191     total_sse += sse;
2192     total_samples += samples;
2193   }
2194
2195   psnr->sse[0] = total_sse;
2196   psnr->samples[0] = total_samples;
2197   psnr->psnr[0] = vpx_sse_to_psnr((double)total_samples, peak,
2198                                   (double)total_sse);
2199 }
2200
2201 #else  // !CONFIG_VP9_HIGHBITDEPTH
2202
2203 static void calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b,
2204                       PSNR_STATS *psnr) {
2205   static const double peak = 255.0;
2206   const int widths[3]        = {
2207       a->y_crop_width, a->uv_crop_width, a->uv_crop_width};
2208   const int heights[3]       = {
2209       a->y_crop_height, a->uv_crop_height, a->uv_crop_height};
2210   const uint8_t *a_planes[3] = {a->y_buffer, a->u_buffer, a->v_buffer};
2211   const int a_strides[3]     = {a->y_stride, a->uv_stride, a->uv_stride};
2212   const uint8_t *b_planes[3] = {b->y_buffer, b->u_buffer, b->v_buffer};
2213   const int b_strides[3]     = {b->y_stride, b->uv_stride, b->uv_stride};
2214   int i;
2215   uint64_t total_sse = 0;
2216   uint32_t total_samples = 0;
2217
2218   for (i = 0; i < 3; ++i) {
2219     const int w = widths[i];
2220     const int h = heights[i];
2221     const uint32_t samples = w * h;
2222     const uint64_t sse = get_sse(a_planes[i], a_strides[i],
2223                                  b_planes[i], b_strides[i],
2224                                  w, h);
2225     psnr->sse[1 + i] = sse;
2226     psnr->samples[1 + i] = samples;
2227     psnr->psnr[1 + i] = vpx_sse_to_psnr(samples, peak, (double)sse);
2228
2229     total_sse += sse;
2230     total_samples += samples;
2231   }
2232
2233   psnr->sse[0] = total_sse;
2234   psnr->samples[0] = total_samples;
2235   psnr->psnr[0] = vpx_sse_to_psnr((double)total_samples, peak,
2236                                   (double)total_sse);
2237 }
2238 #endif  // CONFIG_VP9_HIGHBITDEPTH
2239
2240 static void generate_psnr_packet(VP10_COMP *cpi) {
2241   struct vpx_codec_cx_pkt pkt;
2242   int i;
2243   PSNR_STATS psnr;
2244 #if CONFIG_VP9_HIGHBITDEPTH
2245   calc_highbd_psnr(cpi->Source, cpi->common.frame_to_show, &psnr,
2246                    cpi->td.mb.e_mbd.bd, cpi->oxcf.input_bit_depth);
2247 #else
2248   calc_psnr(cpi->Source, cpi->common.frame_to_show, &psnr);
2249 #endif
2250
2251   for (i = 0; i < 4; ++i) {
2252     pkt.data.psnr.samples[i] = psnr.samples[i];
2253     pkt.data.psnr.sse[i] = psnr.sse[i];
2254     pkt.data.psnr.psnr[i] = psnr.psnr[i];
2255   }
2256   pkt.kind = VPX_CODEC_PSNR_PKT;
2257   vpx_codec_pkt_list_add(cpi->output_pkt_list, &pkt);
2258 }
2259
2260 int vp10_use_as_reference(VP10_COMP *cpi, int ref_frame_flags) {
2261   if (ref_frame_flags > 7)
2262     return -1;
2263
2264   cpi->ref_frame_flags = ref_frame_flags;
2265   return 0;
2266 }
2267
2268 void vp10_update_reference(VP10_COMP *cpi, int ref_frame_flags) {
2269   cpi->ext_refresh_golden_frame = (ref_frame_flags & VP9_GOLD_FLAG) != 0;
2270   cpi->ext_refresh_alt_ref_frame = (ref_frame_flags & VP9_ALT_FLAG) != 0;
2271   cpi->ext_refresh_last_frame = (ref_frame_flags & VP9_LAST_FLAG) != 0;
2272   cpi->ext_refresh_frame_flags_pending = 1;
2273 }
2274
2275 static YV12_BUFFER_CONFIG *get_vp10_ref_frame_buffer(VP10_COMP *cpi,
2276                                 VP9_REFFRAME ref_frame_flag) {
2277   MV_REFERENCE_FRAME ref_frame = NONE;
2278   if (ref_frame_flag == VP9_LAST_FLAG)
2279     ref_frame = LAST_FRAME;
2280   else if (ref_frame_flag == VP9_GOLD_FLAG)
2281     ref_frame = GOLDEN_FRAME;
2282   else if (ref_frame_flag == VP9_ALT_FLAG)
2283     ref_frame = ALTREF_FRAME;
2284
2285   return ref_frame == NONE ? NULL : get_ref_frame_buffer(cpi, ref_frame);
2286 }
2287
2288 int vp10_copy_reference_enc(VP10_COMP *cpi, VP9_REFFRAME ref_frame_flag,
2289                            YV12_BUFFER_CONFIG *sd) {
2290   YV12_BUFFER_CONFIG *cfg = get_vp10_ref_frame_buffer(cpi, ref_frame_flag);
2291   if (cfg) {
2292     vp8_yv12_copy_frame(cfg, sd);
2293     return 0;
2294   } else {
2295     return -1;
2296   }
2297 }
2298
2299 int vp10_set_reference_enc(VP10_COMP *cpi, VP9_REFFRAME ref_frame_flag,
2300                           YV12_BUFFER_CONFIG *sd) {
2301   YV12_BUFFER_CONFIG *cfg = get_vp10_ref_frame_buffer(cpi, ref_frame_flag);
2302   if (cfg) {
2303     vp8_yv12_copy_frame(sd, cfg);
2304     return 0;
2305   } else {
2306     return -1;
2307   }
2308 }
2309
2310 int vp10_update_entropy(VP10_COMP * cpi, int update) {
2311   cpi->ext_refresh_frame_context = update;
2312   cpi->ext_refresh_frame_context_pending = 1;
2313   return 0;
2314 }
2315
2316 #if defined(OUTPUT_YUV_DENOISED) || defined(OUTPUT_YUV_SKINMAP)
2317 // The denoiser buffer is allocated as a YUV 440 buffer. This function writes it
2318 // as YUV 420. We simply use the top-left pixels of the UV buffers, since we do
2319 // not denoise the UV channels at this time. If ever we implement UV channel
2320 // denoising we will have to modify this.
2321 void vp10_write_yuv_frame_420(YV12_BUFFER_CONFIG *s, FILE *f) {
2322   uint8_t *src = s->y_buffer;
2323   int h = s->y_height;
2324
2325   do {
2326     fwrite(src, s->y_width, 1, f);
2327     src += s->y_stride;
2328   } while (--h);
2329
2330   src = s->u_buffer;
2331   h = s->uv_height;
2332
2333   do {
2334     fwrite(src, s->uv_width, 1, f);
2335     src += s->uv_stride;
2336   } while (--h);
2337
2338   src = s->v_buffer;
2339   h = s->uv_height;
2340
2341   do {
2342     fwrite(src, s->uv_width, 1, f);
2343     src += s->uv_stride;
2344   } while (--h);
2345 }
2346 #endif
2347
2348 #ifdef OUTPUT_YUV_REC
2349 void vp10_write_yuv_rec_frame(VP10_COMMON *cm) {
2350   YV12_BUFFER_CONFIG *s = cm->frame_to_show;
2351   uint8_t *src = s->y_buffer;
2352   int h = cm->height;
2353
2354 #if CONFIG_VP9_HIGHBITDEPTH
2355   if (s->flags & YV12_FLAG_HIGHBITDEPTH) {
2356     uint16_t *src16 = CONVERT_TO_SHORTPTR(s->y_buffer);
2357
2358     do {
2359       fwrite(src16, s->y_width, 2,  yuv_rec_file);
2360       src16 += s->y_stride;
2361     } while (--h);
2362
2363     src16 = CONVERT_TO_SHORTPTR(s->u_buffer);
2364     h = s->uv_height;
2365
2366     do {
2367       fwrite(src16, s->uv_width, 2,  yuv_rec_file);
2368       src16 += s->uv_stride;
2369     } while (--h);
2370
2371     src16 = CONVERT_TO_SHORTPTR(s->v_buffer);
2372     h = s->uv_height;
2373
2374     do {
2375       fwrite(src16, s->uv_width, 2, yuv_rec_file);
2376       src16 += s->uv_stride;
2377     } while (--h);
2378
2379     fflush(yuv_rec_file);
2380     return;
2381   }
2382 #endif  // CONFIG_VP9_HIGHBITDEPTH
2383
2384   do {
2385     fwrite(src, s->y_width, 1,  yuv_rec_file);
2386     src += s->y_stride;
2387   } while (--h);
2388
2389   src = s->u_buffer;
2390   h = s->uv_height;
2391
2392   do {
2393     fwrite(src, s->uv_width, 1,  yuv_rec_file);
2394     src += s->uv_stride;
2395   } while (--h);
2396
2397   src = s->v_buffer;
2398   h = s->uv_height;
2399
2400   do {
2401     fwrite(src, s->uv_width, 1, yuv_rec_file);
2402     src += s->uv_stride;
2403   } while (--h);
2404
2405   fflush(yuv_rec_file);
2406 }
2407 #endif
2408
2409 #if CONFIG_VP9_HIGHBITDEPTH
2410 static void scale_and_extend_frame_nonnormative(const YV12_BUFFER_CONFIG *src,
2411                                                 YV12_BUFFER_CONFIG *dst,
2412                                                 int bd) {
2413 #else
2414 static void scale_and_extend_frame_nonnormative(const YV12_BUFFER_CONFIG *src,
2415                                                 YV12_BUFFER_CONFIG *dst) {
2416 #endif  // CONFIG_VP9_HIGHBITDEPTH
2417   // TODO(dkovalev): replace YV12_BUFFER_CONFIG with vpx_image_t
2418   int i;
2419   const uint8_t *const srcs[3] = {src->y_buffer, src->u_buffer, src->v_buffer};
2420   const int src_strides[3] = {src->y_stride, src->uv_stride, src->uv_stride};
2421   const int src_widths[3] = {src->y_crop_width, src->uv_crop_width,
2422                              src->uv_crop_width };
2423   const int src_heights[3] = {src->y_crop_height, src->uv_crop_height,
2424                               src->uv_crop_height};
2425   uint8_t *const dsts[3] = {dst->y_buffer, dst->u_buffer, dst->v_buffer};
2426   const int dst_strides[3] = {dst->y_stride, dst->uv_stride, dst->uv_stride};
2427   const int dst_widths[3] = {dst->y_crop_width, dst->uv_crop_width,
2428                              dst->uv_crop_width};
2429   const int dst_heights[3] = {dst->y_crop_height, dst->uv_crop_height,
2430                               dst->uv_crop_height};
2431
2432   for (i = 0; i < MAX_MB_PLANE; ++i) {
2433 #if CONFIG_VP9_HIGHBITDEPTH
2434     if (src->flags & YV12_FLAG_HIGHBITDEPTH) {
2435       vp10_highbd_resize_plane(srcs[i], src_heights[i], src_widths[i],
2436                               src_strides[i], dsts[i], dst_heights[i],
2437                               dst_widths[i], dst_strides[i], bd);
2438     } else {
2439       vp10_resize_plane(srcs[i], src_heights[i], src_widths[i], src_strides[i],
2440                        dsts[i], dst_heights[i], dst_widths[i], dst_strides[i]);
2441     }
2442 #else
2443     vp10_resize_plane(srcs[i], src_heights[i], src_widths[i], src_strides[i],
2444                      dsts[i], dst_heights[i], dst_widths[i], dst_strides[i]);
2445 #endif  // CONFIG_VP9_HIGHBITDEPTH
2446   }
2447   vpx_extend_frame_borders(dst);
2448 }
2449
2450 #if CONFIG_VP9_HIGHBITDEPTH
2451 static void scale_and_extend_frame(const YV12_BUFFER_CONFIG *src,
2452                                    YV12_BUFFER_CONFIG *dst, int bd) {
2453 #else
2454 static void scale_and_extend_frame(const YV12_BUFFER_CONFIG *src,
2455                                    YV12_BUFFER_CONFIG *dst) {
2456 #endif  // CONFIG_VP9_HIGHBITDEPTH
2457   const int src_w = src->y_crop_width;
2458   const int src_h = src->y_crop_height;
2459   const int dst_w = dst->y_crop_width;
2460   const int dst_h = dst->y_crop_height;
2461   const uint8_t *const srcs[3] = {src->y_buffer, src->u_buffer, src->v_buffer};
2462   const int src_strides[3] = {src->y_stride, src->uv_stride, src->uv_stride};
2463   uint8_t *const dsts[3] = {dst->y_buffer, dst->u_buffer, dst->v_buffer};
2464   const int dst_strides[3] = {dst->y_stride, dst->uv_stride, dst->uv_stride};
2465   const InterpKernel *const kernel = vp10_filter_kernels[EIGHTTAP];
2466   int x, y, i;
2467
2468   for (y = 0; y < dst_h; y += 16) {
2469     for (x = 0; x < dst_w; x += 16) {
2470       for (i = 0; i < MAX_MB_PLANE; ++i) {
2471         const int factor = (i == 0 || i == 3 ? 1 : 2);
2472         const int x_q4 = x * (16 / factor) * src_w / dst_w;
2473         const int y_q4 = y * (16 / factor) * src_h / dst_h;
2474         const int src_stride = src_strides[i];
2475         const int dst_stride = dst_strides[i];
2476         const uint8_t *src_ptr = srcs[i] + (y / factor) * src_h / dst_h *
2477                                      src_stride + (x / factor) * src_w / dst_w;
2478         uint8_t *dst_ptr = dsts[i] + (y / factor) * dst_stride + (x / factor);
2479
2480 #if CONFIG_VP9_HIGHBITDEPTH
2481         if (src->flags & YV12_FLAG_HIGHBITDEPTH) {
2482           vpx_highbd_convolve8(src_ptr, src_stride, dst_ptr, dst_stride,
2483                                kernel[x_q4 & 0xf], 16 * src_w / dst_w,
2484                                kernel[y_q4 & 0xf], 16 * src_h / dst_h,
2485                                16 / factor, 16 / factor, bd);
2486         } else {
2487           vpx_convolve8(src_ptr, src_stride, dst_ptr, dst_stride,
2488                         kernel[x_q4 & 0xf], 16 * src_w / dst_w,
2489                         kernel[y_q4 & 0xf], 16 * src_h / dst_h,
2490                         16 / factor, 16 / factor);
2491         }
2492 #else
2493         vpx_convolve8(src_ptr, src_stride, dst_ptr, dst_stride,
2494                       kernel[x_q4 & 0xf], 16 * src_w / dst_w,
2495                       kernel[y_q4 & 0xf], 16 * src_h / dst_h,
2496                       16 / factor, 16 / factor);
2497 #endif  // CONFIG_VP9_HIGHBITDEPTH
2498       }
2499     }
2500   }
2501
2502   vpx_extend_frame_borders(dst);
2503 }
2504
2505 static int scale_down(VP10_COMP *cpi, int q) {
2506   RATE_CONTROL *const rc = &cpi->rc;
2507   GF_GROUP *const gf_group = &cpi->twopass.gf_group;
2508   int scale = 0;
2509   assert(frame_is_kf_gf_arf(cpi));
2510
2511   if (rc->frame_size_selector == UNSCALED &&
2512       q >= rc->rf_level_maxq[gf_group->rf_level[gf_group->index]]) {
2513     const int max_size_thresh = (int)(rate_thresh_mult[SCALE_STEP1]
2514         * VPXMAX(rc->this_frame_target, rc->avg_frame_bandwidth));
2515     scale = rc->projected_frame_size > max_size_thresh ? 1 : 0;
2516   }
2517   return scale;
2518 }
2519
2520 // Function to test for conditions that indicate we should loop
2521 // back and recode a frame.
2522 static int recode_loop_test(VP10_COMP *cpi,
2523                             int high_limit, int low_limit,
2524                             int q, int maxq, int minq) {
2525   const RATE_CONTROL *const rc = &cpi->rc;
2526   const VP10EncoderConfig *const oxcf = &cpi->oxcf;
2527   const int frame_is_kfgfarf = frame_is_kf_gf_arf(cpi);
2528   int force_recode = 0;
2529
2530   if ((rc->projected_frame_size >= rc->max_frame_bandwidth) ||
2531       (cpi->sf.recode_loop == ALLOW_RECODE) ||
2532       (frame_is_kfgfarf &&
2533        (cpi->sf.recode_loop == ALLOW_RECODE_KFARFGF))) {
2534     if (frame_is_kfgfarf &&
2535         (oxcf->resize_mode == RESIZE_DYNAMIC) &&
2536         scale_down(cpi, q)) {
2537         // Code this group at a lower resolution.
2538         cpi->resize_pending = 1;
2539         return 1;
2540     }
2541
2542     // TODO(agrange) high_limit could be greater than the scale-down threshold.
2543     if ((rc->projected_frame_size > high_limit && q < maxq) ||
2544         (rc->projected_frame_size < low_limit && q > minq)) {
2545       force_recode = 1;
2546     } else if (cpi->oxcf.rc_mode == VPX_CQ) {
2547       // Deal with frame undershoot and whether or not we are
2548       // below the automatically set cq level.
2549       if (q > oxcf->cq_level &&
2550           rc->projected_frame_size < ((rc->this_frame_target * 7) >> 3)) {
2551         force_recode = 1;
2552       }
2553     }
2554   }
2555   return force_recode;
2556 }
2557
2558 void vp10_update_reference_frames(VP10_COMP *cpi) {
2559   VP10_COMMON * const cm = &cpi->common;
2560   BufferPool *const pool = cm->buffer_pool;
2561
2562   // At this point the new frame has been encoded.
2563   // If any buffer copy / swapping is signaled it should be done here.
2564   if (cm->frame_type == KEY_FRAME) {
2565     ref_cnt_fb(pool->frame_bufs,
2566                &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx);
2567     ref_cnt_fb(pool->frame_bufs,
2568                &cm->ref_frame_map[cpi->alt_fb_idx], cm->new_fb_idx);
2569   } else if (vp10_preserve_existing_gf(cpi)) {
2570     // We have decided to preserve the previously existing golden frame as our
2571     // new ARF frame. However, in the short term in function
2572     // vp10_bitstream.c::get_refresh_mask() we left it in the GF slot and, if
2573     // we're updating the GF with the current decoded frame, we save it to the
2574     // ARF slot instead.
2575     // We now have to update the ARF with the current frame and swap gld_fb_idx
2576     // and alt_fb_idx so that, overall, we've stored the old GF in the new ARF
2577     // slot and, if we're updating the GF, the current frame becomes the new GF.
2578     int tmp;
2579
2580     ref_cnt_fb(pool->frame_bufs,
2581                &cm->ref_frame_map[cpi->alt_fb_idx], cm->new_fb_idx);
2582
2583     tmp = cpi->alt_fb_idx;
2584     cpi->alt_fb_idx = cpi->gld_fb_idx;
2585     cpi->gld_fb_idx = tmp;
2586   } else { /* For non key/golden frames */
2587     if (cpi->refresh_alt_ref_frame) {
2588       int arf_idx = cpi->alt_fb_idx;
2589       if ((cpi->oxcf.pass == 2) && cpi->multi_arf_allowed) {
2590         const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
2591         arf_idx = gf_group->arf_update_idx[gf_group->index];
2592       }
2593
2594       ref_cnt_fb(pool->frame_bufs,
2595                  &cm->ref_frame_map[arf_idx], cm->new_fb_idx);
2596       memcpy(cpi->interp_filter_selected[ALTREF_FRAME],
2597              cpi->interp_filter_selected[0],
2598              sizeof(cpi->interp_filter_selected[0]));
2599     }
2600
2601     if (cpi->refresh_golden_frame) {
2602       ref_cnt_fb(pool->frame_bufs,
2603                  &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx);
2604       if (!cpi->rc.is_src_frame_alt_ref)
2605         memcpy(cpi->interp_filter_selected[GOLDEN_FRAME],
2606                cpi->interp_filter_selected[0],
2607                sizeof(cpi->interp_filter_selected[0]));
2608       else
2609         memcpy(cpi->interp_filter_selected[GOLDEN_FRAME],
2610                cpi->interp_filter_selected[ALTREF_FRAME],
2611                sizeof(cpi->interp_filter_selected[ALTREF_FRAME]));
2612     }
2613   }
2614
2615   if (cpi->refresh_last_frame) {
2616     ref_cnt_fb(pool->frame_bufs,
2617                &cm->ref_frame_map[cpi->lst_fb_idx], cm->new_fb_idx);
2618     if (!cpi->rc.is_src_frame_alt_ref)
2619       memcpy(cpi->interp_filter_selected[LAST_FRAME],
2620              cpi->interp_filter_selected[0],
2621              sizeof(cpi->interp_filter_selected[0]));
2622   }
2623 #if CONFIG_VP9_TEMPORAL_DENOISING
2624   if (cpi->oxcf.noise_sensitivity > 0) {
2625     vp10_denoiser_update_frame_info(&cpi->denoiser,
2626                                    *cpi->Source,
2627                                    cpi->common.frame_type,
2628                                    cpi->refresh_alt_ref_frame,
2629                                    cpi->refresh_golden_frame,
2630                                    cpi->refresh_last_frame);
2631   }
2632 #endif
2633 }
2634
2635 static void loopfilter_frame(VP10_COMP *cpi, VP10_COMMON *cm) {
2636   MACROBLOCKD *xd = &cpi->td.mb.e_mbd;
2637   struct loopfilter *lf = &cm->lf;
2638   if (xd->lossless) {
2639       lf->filter_level = 0;
2640   } else {
2641     struct vpx_usec_timer timer;
2642
2643     vpx_clear_system_state();
2644
2645     vpx_usec_timer_start(&timer);
2646
2647     vp10_pick_filter_level(cpi->Source, cpi, cpi->sf.lpf_pick);
2648
2649     vpx_usec_timer_mark(&timer);
2650     cpi->time_pick_lpf += vpx_usec_timer_elapsed(&timer);
2651   }
2652
2653   if (lf->filter_level > 0) {
2654     if (cpi->num_workers > 1)
2655       vp10_loop_filter_frame_mt(cm->frame_to_show, cm, xd->plane,
2656                                lf->filter_level, 0, 0,
2657                                cpi->workers, cpi->num_workers,
2658                                &cpi->lf_row_sync);
2659     else
2660       vp10_loop_filter_frame(cm->frame_to_show, cm, xd, lf->filter_level, 0, 0);
2661   }
2662
2663   vpx_extend_frame_inner_borders(cm->frame_to_show);
2664 }
2665
2666 static INLINE void alloc_frame_mvs(const VP10_COMMON *cm,
2667                                    int buffer_idx) {
2668   RefCntBuffer *const new_fb_ptr = &cm->buffer_pool->frame_bufs[buffer_idx];
2669   if (new_fb_ptr->mvs == NULL ||
2670       new_fb_ptr->mi_rows < cm->mi_rows ||
2671       new_fb_ptr->mi_cols < cm->mi_cols) {
2672     vpx_free(new_fb_ptr->mvs);
2673     new_fb_ptr->mvs =
2674       (MV_REF *)vpx_calloc(cm->mi_rows * cm->mi_cols,
2675                            sizeof(*new_fb_ptr->mvs));
2676     new_fb_ptr->mi_rows = cm->mi_rows;
2677     new_fb_ptr->mi_cols = cm->mi_cols;
2678   }
2679 }
2680
2681 void vp10_scale_references(VP10_COMP *cpi) {
2682   VP10_COMMON *cm = &cpi->common;
2683   MV_REFERENCE_FRAME ref_frame;
2684   const VP9_REFFRAME ref_mask[3] = {VP9_LAST_FLAG, VP9_GOLD_FLAG, VP9_ALT_FLAG};
2685
2686   for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
2687     // Need to convert from VP9_REFFRAME to index into ref_mask (subtract 1).
2688     if (cpi->ref_frame_flags & ref_mask[ref_frame - 1]) {
2689       BufferPool *const pool = cm->buffer_pool;
2690       const YV12_BUFFER_CONFIG *const ref = get_ref_frame_buffer(cpi,
2691                                                                  ref_frame);
2692
2693       if (ref == NULL) {
2694         cpi->scaled_ref_idx[ref_frame - 1] = INVALID_IDX;
2695         continue;
2696       }
2697
2698 #if CONFIG_VP9_HIGHBITDEPTH
2699       if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) {
2700         RefCntBuffer *new_fb_ptr = NULL;
2701         int force_scaling = 0;
2702         int new_fb = cpi->scaled_ref_idx[ref_frame - 1];
2703         if (new_fb == INVALID_IDX) {
2704           new_fb = get_free_fb(cm);
2705           force_scaling = 1;
2706         }
2707         if (new_fb == INVALID_IDX)
2708           return;
2709         new_fb_ptr = &pool->frame_bufs[new_fb];
2710         if (force_scaling ||
2711             new_fb_ptr->buf.y_crop_width != cm->width ||
2712             new_fb_ptr->buf.y_crop_height != cm->height) {
2713           vpx_realloc_frame_buffer(&new_fb_ptr->buf,
2714                                    cm->width, cm->height,
2715                                    cm->subsampling_x, cm->subsampling_y,
2716                                    cm->use_highbitdepth,
2717                                    VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
2718                                    NULL, NULL, NULL);
2719           scale_and_extend_frame(ref, &new_fb_ptr->buf, (int)cm->bit_depth);
2720           cpi->scaled_ref_idx[ref_frame - 1] = new_fb;
2721           alloc_frame_mvs(cm, new_fb);
2722         }
2723 #else
2724       if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) {
2725         RefCntBuffer *new_fb_ptr = NULL;
2726         int force_scaling = 0;
2727         int new_fb = cpi->scaled_ref_idx[ref_frame - 1];
2728         if (new_fb == INVALID_IDX) {
2729           new_fb = get_free_fb(cm);
2730           force_scaling = 1;
2731         }
2732         if (new_fb == INVALID_IDX)
2733           return;
2734         new_fb_ptr = &pool->frame_bufs[new_fb];
2735         if (force_scaling ||
2736             new_fb_ptr->buf.y_crop_width != cm->width ||
2737             new_fb_ptr->buf.y_crop_height != cm->height) {
2738           vpx_realloc_frame_buffer(&new_fb_ptr->buf,
2739                                    cm->width, cm->height,
2740                                    cm->subsampling_x, cm->subsampling_y,
2741                                    VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
2742                                    NULL, NULL, NULL);
2743           scale_and_extend_frame(ref, &new_fb_ptr->buf);
2744           cpi->scaled_ref_idx[ref_frame - 1] = new_fb;
2745           alloc_frame_mvs(cm, new_fb);
2746         }
2747 #endif  // CONFIG_VP9_HIGHBITDEPTH
2748       } else {
2749         const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame);
2750         RefCntBuffer *const buf = &pool->frame_bufs[buf_idx];
2751         buf->buf.y_crop_width = ref->y_crop_width;
2752         buf->buf.y_crop_height = ref->y_crop_height;
2753         cpi->scaled_ref_idx[ref_frame - 1] = buf_idx;
2754         ++buf->ref_count;
2755       }
2756     } else {
2757       if (cpi->oxcf.pass != 0)
2758         cpi->scaled_ref_idx[ref_frame - 1] = INVALID_IDX;
2759     }
2760   }
2761 }
2762
2763 static void release_scaled_references(VP10_COMP *cpi) {
2764   VP10_COMMON *cm = &cpi->common;
2765   int i;
2766   if (cpi->oxcf.pass == 0) {
2767     // Only release scaled references under certain conditions:
2768     // if reference will be updated, or if scaled reference has same resolution.
2769     int refresh[3];
2770     refresh[0] = (cpi->refresh_last_frame) ? 1 : 0;
2771     refresh[1] = (cpi->refresh_golden_frame) ? 1 : 0;
2772     refresh[2] = (cpi->refresh_alt_ref_frame) ? 1 : 0;
2773     for (i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
2774       const int idx = cpi->scaled_ref_idx[i - 1];
2775       RefCntBuffer *const buf = idx != INVALID_IDX ?
2776           &cm->buffer_pool->frame_bufs[idx] : NULL;
2777       const YV12_BUFFER_CONFIG *const ref = get_ref_frame_buffer(cpi, i);
2778       if (buf != NULL &&
2779           (refresh[i - 1] ||
2780           (buf->buf.y_crop_width == ref->y_crop_width &&
2781            buf->buf.y_crop_height == ref->y_crop_height))) {
2782         --buf->ref_count;
2783         cpi->scaled_ref_idx[i -1] = INVALID_IDX;
2784       }
2785     }
2786   } else {
2787     for (i = 0; i < MAX_REF_FRAMES; ++i) {
2788       const int idx = cpi->scaled_ref_idx[i];
2789       RefCntBuffer *const buf = idx != INVALID_IDX ?
2790           &cm->buffer_pool->frame_bufs[idx] : NULL;
2791       if (buf != NULL) {
2792         --buf->ref_count;
2793         cpi->scaled_ref_idx[i] = INVALID_IDX;
2794       }
2795     }
2796   }
2797 }
2798
2799 static void full_to_model_count(unsigned int *model_count,
2800                                 unsigned int *full_count) {
2801   int n;
2802   model_count[ZERO_TOKEN] = full_count[ZERO_TOKEN];
2803   model_count[ONE_TOKEN] = full_count[ONE_TOKEN];
2804   model_count[TWO_TOKEN] = full_count[TWO_TOKEN];
2805   for (n = THREE_TOKEN; n < EOB_TOKEN; ++n)
2806     model_count[TWO_TOKEN] += full_count[n];
2807   model_count[EOB_MODEL_TOKEN] = full_count[EOB_TOKEN];
2808 }
2809
2810 static void full_to_model_counts(vp10_coeff_count_model *model_count,
2811                                  vp10_coeff_count *full_count) {
2812   int i, j, k, l;
2813
2814   for (i = 0; i < PLANE_TYPES; ++i)
2815     for (j = 0; j < REF_TYPES; ++j)
2816       for (k = 0; k < COEF_BANDS; ++k)
2817         for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l)
2818           full_to_model_count(model_count[i][j][k][l], full_count[i][j][k][l]);
2819 }
2820
2821 #if 0 && CONFIG_INTERNAL_STATS
2822 static void output_frame_level_debug_stats(VP10_COMP *cpi) {
2823   VP10_COMMON *const cm = &cpi->common;
2824   FILE *const f = fopen("tmp.stt", cm->current_video_frame ? "a" : "w");
2825   int64_t recon_err;
2826
2827   vpx_clear_system_state();
2828
2829   recon_err = vp10_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
2830
2831   if (cpi->twopass.total_left_stats.coded_error != 0.0)
2832     fprintf(f, "%10u %dx%d %d %d %10d %10d %10d %10d"
2833        "%10"PRId64" %10"PRId64" %5d %5d %10"PRId64" "
2834        "%10"PRId64" %10"PRId64" %10d "
2835        "%7.2lf %7.2lf %7.2lf %7.2lf %7.2lf"
2836         "%6d %6d %5d %5d %5d "
2837         "%10"PRId64" %10.3lf"
2838         "%10lf %8u %10"PRId64" %10d %10d %10d\n",
2839         cpi->common.current_video_frame,
2840         cm->width, cm->height,
2841         cpi->rc.source_alt_ref_pending,
2842         cpi->rc.source_alt_ref_active,
2843         cpi->rc.this_frame_target,
2844         cpi->rc.projected_frame_size,
2845         cpi->rc.projected_frame_size / cpi->common.MBs,
2846         (cpi->rc.projected_frame_size - cpi->rc.this_frame_target),
2847         cpi->rc.vbr_bits_off_target,
2848         cpi->rc.vbr_bits_off_target_fast,
2849         cpi->twopass.extend_minq,
2850         cpi->twopass.extend_minq_fast,
2851         cpi->rc.total_target_vs_actual,
2852         (cpi->rc.starting_buffer_level - cpi->rc.bits_off_target),
2853         cpi->rc.total_actual_bits, cm->base_qindex,
2854         vp10_convert_qindex_to_q(cm->base_qindex, cm->bit_depth),
2855         (double)vp10_dc_quant(cm->base_qindex, 0, cm->bit_depth) / 4.0,
2856         vp10_convert_qindex_to_q(cpi->twopass.active_worst_quality,
2857                                 cm->bit_depth),
2858         cpi->rc.avg_q,
2859         vp10_convert_qindex_to_q(cpi->oxcf.cq_level, cm->bit_depth),
2860         cpi->refresh_last_frame, cpi->refresh_golden_frame,
2861         cpi->refresh_alt_ref_frame, cm->frame_type, cpi->rc.gfu_boost,
2862         cpi->twopass.bits_left,
2863         cpi->twopass.total_left_stats.coded_error,
2864         cpi->twopass.bits_left /
2865             (1 + cpi->twopass.total_left_stats.coded_error),
2866         cpi->tot_recode_hits, recon_err, cpi->rc.kf_boost,
2867         cpi->twopass.kf_zeromotion_pct,
2868         cpi->twopass.fr_content_type);
2869
2870   fclose(f);
2871
2872   if (0) {
2873     FILE *const fmodes = fopen("Modes.stt", "a");
2874     int i;
2875
2876     fprintf(fmodes, "%6d:%1d:%1d:%1d ", cpi->common.current_video_frame,
2877             cm->frame_type, cpi->refresh_golden_frame,
2878             cpi->refresh_alt_ref_frame);
2879
2880     for (i = 0; i < MAX_MODES; ++i)
2881       fprintf(fmodes, "%5d ", cpi->mode_chosen_counts[i]);
2882
2883     fprintf(fmodes, "\n");
2884
2885     fclose(fmodes);
2886   }
2887 }
2888 #endif
2889
2890 static void set_mv_search_params(VP10_COMP *cpi) {
2891   const VP10_COMMON *const cm = &cpi->common;
2892   const unsigned int max_mv_def = VPXMIN(cm->width, cm->height);
2893
2894   // Default based on max resolution.
2895   cpi->mv_step_param = vp10_init_search_range(max_mv_def);
2896
2897   if (cpi->sf.mv.auto_mv_step_size) {
2898     if (frame_is_intra_only(cm)) {
2899       // Initialize max_mv_magnitude for use in the first INTER frame
2900       // after a key/intra-only frame.
2901       cpi->max_mv_magnitude = max_mv_def;
2902     } else {
2903       if (cm->show_frame) {
2904         // Allow mv_steps to correspond to twice the max mv magnitude found
2905         // in the previous frame, capped by the default max_mv_magnitude based
2906         // on resolution.
2907         cpi->mv_step_param = vp10_init_search_range(
2908             VPXMIN(max_mv_def, 2 * cpi->max_mv_magnitude));
2909       }
2910       cpi->max_mv_magnitude = 0;
2911     }
2912   }
2913 }
2914
2915 static void set_size_independent_vars(VP10_COMP *cpi) {
2916   vp10_set_speed_features_framesize_independent(cpi);
2917   vp10_set_rd_speed_thresholds(cpi);
2918   vp10_set_rd_speed_thresholds_sub8x8(cpi);
2919   cpi->common.interp_filter = cpi->sf.default_interp_filter;
2920 }
2921
2922 static void set_size_dependent_vars(VP10_COMP *cpi, int *q,
2923                                     int *bottom_index, int *top_index) {
2924   VP10_COMMON *const cm = &cpi->common;
2925   const VP10EncoderConfig *const oxcf = &cpi->oxcf;
2926
2927   // Setup variables that depend on the dimensions of the frame.
2928   vp10_set_speed_features_framesize_dependent(cpi);
2929
2930   // Decide q and q bounds.
2931   *q = vp10_rc_pick_q_and_bounds(cpi, bottom_index, top_index);
2932
2933   if (!frame_is_intra_only(cm)) {
2934     vp10_set_high_precision_mv(cpi, (*q) < HIGH_PRECISION_MV_QTHRESH);
2935   }
2936
2937   // Configure experimental use of segmentation for enhanced coding of
2938   // static regions if indicated.
2939   // Only allowed in the second pass of a two pass encode, as it requires
2940   // lagged coding, and if the relevant speed feature flag is set.
2941   if (oxcf->pass == 2 && cpi->sf.static_segmentation)
2942     configure_static_seg_features(cpi);
2943
2944 #if CONFIG_VP9_POSTPROC
2945   if (oxcf->noise_sensitivity > 0) {
2946     int l = 0;
2947     switch (oxcf->noise_sensitivity) {
2948       case 1:
2949         l = 20;
2950         break;
2951       case 2:
2952         l = 40;
2953         break;
2954       case 3:
2955         l = 60;
2956         break;
2957       case 4:
2958       case 5:
2959         l = 100;
2960         break;
2961       case 6:
2962         l = 150;
2963         break;
2964     }
2965     vp10_denoise(cpi->Source, cpi->Source, l);
2966   }
2967 #endif  // CONFIG_VP9_POSTPROC
2968 }
2969
2970 static void init_motion_estimation(VP10_COMP *cpi) {
2971   int y_stride = cpi->scaled_source.y_stride;
2972
2973   if (cpi->sf.mv.search_method == NSTEP) {
2974     vp10_init3smotion_compensation(&cpi->ss_cfg, y_stride);
2975   } else if (cpi->sf.mv.search_method == DIAMOND) {
2976     vp10_init_dsmotion_compensation(&cpi->ss_cfg, y_stride);
2977   }
2978 }
2979
2980 static void set_frame_size(VP10_COMP *cpi) {
2981   int ref_frame;
2982   VP10_COMMON *const cm = &cpi->common;
2983   VP10EncoderConfig *const oxcf = &cpi->oxcf;
2984   MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
2985
2986   if (oxcf->pass == 2 &&
2987       oxcf->rc_mode == VPX_VBR &&
2988       ((oxcf->resize_mode == RESIZE_FIXED && cm->current_video_frame == 0) ||
2989         (oxcf->resize_mode == RESIZE_DYNAMIC && cpi->resize_pending))) {
2990     vp10_calculate_coded_size(
2991         cpi, &oxcf->scaled_frame_width, &oxcf->scaled_frame_height);
2992
2993     // There has been a change in frame size.
2994     vp10_set_size_literal(cpi, oxcf->scaled_frame_width,
2995                          oxcf->scaled_frame_height);
2996   }
2997
2998   if (oxcf->pass == 0 &&
2999       oxcf->rc_mode == VPX_CBR &&
3000       oxcf->resize_mode == RESIZE_DYNAMIC) {
3001       if (cpi->resize_pending == 1) {
3002         oxcf->scaled_frame_width =
3003             (cm->width * cpi->resize_scale_num) / cpi->resize_scale_den;
3004         oxcf->scaled_frame_height =
3005             (cm->height * cpi->resize_scale_num) /cpi->resize_scale_den;
3006       } else if (cpi->resize_pending == -1) {
3007         // Go back up to original size.
3008         oxcf->scaled_frame_width = oxcf->width;
3009         oxcf->scaled_frame_height = oxcf->height;
3010       }
3011       if (cpi->resize_pending != 0) {
3012         // There has been a change in frame size.
3013         vp10_set_size_literal(cpi,
3014                              oxcf->scaled_frame_width,
3015                              oxcf->scaled_frame_height);
3016
3017         // TODO(agrange) Scale cpi->max_mv_magnitude if frame-size has changed.
3018         set_mv_search_params(cpi);
3019       }
3020   }
3021
3022   if (oxcf->pass == 2) {
3023     vp10_set_target_rate(cpi);
3024   }
3025
3026   alloc_frame_mvs(cm, cm->new_fb_idx);
3027
3028   // Reset the frame pointers to the current frame size.
3029   vpx_realloc_frame_buffer(get_frame_new_buffer(cm),
3030                            cm->width, cm->height,
3031                            cm->subsampling_x, cm->subsampling_y,
3032 #if CONFIG_VP9_HIGHBITDEPTH
3033                            cm->use_highbitdepth,
3034 #endif
3035                            VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
3036                            NULL, NULL, NULL);
3037
3038   alloc_util_frame_buffers(cpi);
3039   init_motion_estimation(cpi);
3040
3041   for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
3042     RefBuffer *const ref_buf = &cm->frame_refs[ref_frame - 1];
3043     const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame);
3044
3045     ref_buf->idx = buf_idx;
3046
3047     if (buf_idx != INVALID_IDX) {
3048       YV12_BUFFER_CONFIG *const buf = &cm->buffer_pool->frame_bufs[buf_idx].buf;
3049       ref_buf->buf = buf;
3050 #if CONFIG_VP9_HIGHBITDEPTH
3051       vp10_setup_scale_factors_for_frame(&ref_buf->sf,
3052                                         buf->y_crop_width, buf->y_crop_height,
3053                                         cm->width, cm->height,
3054                                         (buf->flags & YV12_FLAG_HIGHBITDEPTH) ?
3055                                             1 : 0);
3056 #else
3057       vp10_setup_scale_factors_for_frame(&ref_buf->sf,
3058                                         buf->y_crop_width, buf->y_crop_height,
3059                                         cm->width, cm->height);
3060 #endif  // CONFIG_VP9_HIGHBITDEPTH
3061       if (vp10_is_scaled(&ref_buf->sf))
3062         vpx_extend_frame_borders(buf);
3063     } else {
3064       ref_buf->buf = NULL;
3065     }
3066   }
3067
3068   set_ref_ptrs(cm, xd, LAST_FRAME, LAST_FRAME);
3069 }
3070
3071 static void encode_without_recode_loop(VP10_COMP *cpi) {
3072   VP10_COMMON *const cm = &cpi->common;
3073   int q = 0, bottom_index = 0, top_index = 0;  // Dummy variables.
3074
3075   vpx_clear_system_state();
3076
3077   set_frame_size(cpi);
3078
3079   // For 1 pass CBR under dynamic resize mode: use faster scaling for source.
3080   // Only for 2x2 scaling for now.
3081   if (cpi->oxcf.pass == 0 &&
3082       cpi->oxcf.rc_mode == VPX_CBR &&
3083       cpi->oxcf.resize_mode == RESIZE_DYNAMIC &&
3084       cpi->un_scaled_source->y_width == (cm->width << 1) &&
3085       cpi->un_scaled_source->y_height == (cm->height << 1)) {
3086     cpi->Source = vp10_scale_if_required_fast(cm,
3087                                              cpi->un_scaled_source,
3088                                              &cpi->scaled_source);
3089     if (cpi->unscaled_last_source != NULL)
3090        cpi->Last_Source = vp10_scale_if_required_fast(cm,
3091                                                      cpi->unscaled_last_source,
3092                                                      &cpi->scaled_last_source);
3093   } else {
3094     cpi->Source = vp10_scale_if_required(cm, cpi->un_scaled_source,
3095                                         &cpi->scaled_source);
3096     if (cpi->unscaled_last_source != NULL)
3097       cpi->Last_Source = vp10_scale_if_required(cm, cpi->unscaled_last_source,
3098                                                &cpi->scaled_last_source);
3099   }
3100
3101   if (frame_is_intra_only(cm) == 0) {
3102     vp10_scale_references(cpi);
3103   }
3104
3105   set_size_independent_vars(cpi);
3106   set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
3107
3108   vp10_set_quantizer(cm, q);
3109   vp10_set_variance_partition_thresholds(cpi, q);
3110
3111   setup_frame(cpi);
3112
3113   suppress_active_map(cpi);
3114   // Variance adaptive and in frame q adjustment experiments are mutually
3115   // exclusive.
3116   if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
3117     vp10_vaq_frame_setup(cpi);
3118   } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
3119     vp10_setup_in_frame_q_adj(cpi);
3120   } else if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
3121     vp10_cyclic_refresh_setup(cpi);
3122   }
3123   apply_active_map(cpi);
3124
3125   // transform / motion compensation build reconstruction frame
3126   vp10_encode_frame(cpi);
3127
3128   // Update some stats from cyclic refresh, and check if we should not update
3129   // golden reference, for 1 pass CBR.
3130   if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ &&
3131       cm->frame_type != KEY_FRAME &&
3132       (cpi->oxcf.pass == 0 && cpi->oxcf.rc_mode == VPX_CBR))
3133     vp10_cyclic_refresh_check_golden_update(cpi);
3134
3135   // Update the skip mb flag probabilities based on the distribution
3136   // seen in the last encoder iteration.
3137   // update_base_skip_probs(cpi);
3138   vpx_clear_system_state();
3139 }
3140
3141 static void encode_with_recode_loop(VP10_COMP *cpi,
3142                                     size_t *size,
3143                                     uint8_t *dest) {
3144   VP10_COMMON *const cm = &cpi->common;
3145   RATE_CONTROL *const rc = &cpi->rc;
3146   int bottom_index, top_index;
3147   int loop_count = 0;
3148   int loop_at_this_size = 0;
3149   int loop = 0;
3150   int overshoot_seen = 0;
3151   int undershoot_seen = 0;
3152   int frame_over_shoot_limit;
3153   int frame_under_shoot_limit;
3154   int q = 0, q_low = 0, q_high = 0;
3155
3156   set_size_independent_vars(cpi);
3157
3158   do {
3159     vpx_clear_system_state();
3160
3161     set_frame_size(cpi);
3162
3163     if (loop_count == 0 || cpi->resize_pending != 0) {
3164       set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
3165
3166       // TODO(agrange) Scale cpi->max_mv_magnitude if frame-size has changed.
3167       set_mv_search_params(cpi);
3168
3169       // Reset the loop state for new frame size.
3170       overshoot_seen = 0;
3171       undershoot_seen = 0;
3172
3173       // Reconfiguration for change in frame size has concluded.
3174       cpi->resize_pending = 0;
3175
3176       q_low = bottom_index;
3177       q_high = top_index;
3178
3179       loop_at_this_size = 0;
3180     }
3181
3182     // Decide frame size bounds first time through.
3183     if (loop_count == 0) {
3184       vp10_rc_compute_frame_size_bounds(cpi, rc->this_frame_target,
3185                                        &frame_under_shoot_limit,
3186                                        &frame_over_shoot_limit);
3187     }
3188
3189     cpi->Source = vp10_scale_if_required(cm, cpi->un_scaled_source,
3190                                       &cpi->scaled_source);
3191
3192     if (cpi->unscaled_last_source != NULL)
3193       cpi->Last_Source = vp10_scale_if_required(cm, cpi->unscaled_last_source,
3194                                                &cpi->scaled_last_source);
3195
3196     if (frame_is_intra_only(cm) == 0) {
3197       if (loop_count > 0) {
3198         release_scaled_references(cpi);
3199       }
3200       vp10_scale_references(cpi);
3201     }
3202
3203     vp10_set_quantizer(cm, q);
3204
3205     if (loop_count == 0)
3206       setup_frame(cpi);
3207
3208     // Variance adaptive and in frame q adjustment experiments are mutually
3209     // exclusive.
3210     if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
3211       vp10_vaq_frame_setup(cpi);
3212     } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
3213       vp10_setup_in_frame_q_adj(cpi);
3214     }
3215
3216     // transform / motion compensation build reconstruction frame
3217     vp10_encode_frame(cpi);
3218
3219     // Update the skip mb flag probabilities based on the distribution
3220     // seen in the last encoder iteration.
3221     // update_base_skip_probs(cpi);
3222
3223     vpx_clear_system_state();
3224
3225     // Dummy pack of the bitstream using up to date stats to get an
3226     // accurate estimate of output frame size to determine if we need
3227     // to recode.
3228     if (cpi->sf.recode_loop >= ALLOW_RECODE_KFARFGF) {
3229       save_coding_context(cpi);
3230       vp10_pack_bitstream(cpi, dest, size);
3231
3232       rc->projected_frame_size = (int)(*size) << 3;
3233       restore_coding_context(cpi);
3234
3235       if (frame_over_shoot_limit == 0)
3236         frame_over_shoot_limit = 1;
3237     }
3238
3239     if (cpi->oxcf.rc_mode == VPX_Q) {
3240       loop = 0;
3241     } else {
3242       if ((cm->frame_type == KEY_FRAME) &&
3243            rc->this_key_frame_forced &&
3244            (rc->projected_frame_size < rc->max_frame_bandwidth)) {
3245         int last_q = q;
3246         int64_t kf_err;
3247
3248         int64_t high_err_target = cpi->ambient_err;
3249         int64_t low_err_target = cpi->ambient_err >> 1;
3250
3251 #if CONFIG_VP9_HIGHBITDEPTH
3252         if (cm->use_highbitdepth) {
3253           kf_err = vp10_highbd_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3254         } else {
3255           kf_err = vp10_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3256         }
3257 #else
3258         kf_err = vp10_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3259 #endif  // CONFIG_VP9_HIGHBITDEPTH
3260
3261         // Prevent possible divide by zero error below for perfect KF
3262         kf_err += !kf_err;
3263
3264         // The key frame is not good enough or we can afford
3265         // to make it better without undue risk of popping.
3266         if ((kf_err > high_err_target &&
3267              rc->projected_frame_size <= frame_over_shoot_limit) ||
3268             (kf_err > low_err_target &&
3269              rc->projected_frame_size <= frame_under_shoot_limit)) {
3270           // Lower q_high
3271           q_high = q > q_low ? q - 1 : q_low;
3272
3273           // Adjust Q
3274           q = (int)((q * high_err_target) / kf_err);
3275           q = VPXMIN(q, (q_high + q_low) >> 1);
3276         } else if (kf_err < low_err_target &&
3277                    rc->projected_frame_size >= frame_under_shoot_limit) {
3278           // The key frame is much better than the previous frame
3279           // Raise q_low
3280           q_low = q < q_high ? q + 1 : q_high;
3281
3282           // Adjust Q
3283           q = (int)((q * low_err_target) / kf_err);
3284           q = VPXMIN(q, (q_high + q_low + 1) >> 1);
3285         }
3286
3287         // Clamp Q to upper and lower limits:
3288         q = clamp(q, q_low, q_high);
3289
3290         loop = q != last_q;
3291       } else if (recode_loop_test(
3292           cpi, frame_over_shoot_limit, frame_under_shoot_limit,
3293           q, VPXMAX(q_high, top_index), bottom_index)) {
3294         // Is the projected frame size out of range and are we allowed
3295         // to attempt to recode.
3296         int last_q = q;
3297         int retries = 0;
3298
3299         if (cpi->resize_pending == 1) {
3300           // Change in frame size so go back around the recode loop.
3301           cpi->rc.frame_size_selector =
3302               SCALE_STEP1 - cpi->rc.frame_size_selector;
3303           cpi->rc.next_frame_size_selector = cpi->rc.frame_size_selector;
3304
3305 #if CONFIG_INTERNAL_STATS
3306           ++cpi->tot_recode_hits;
3307 #endif
3308           ++loop_count;
3309           loop = 1;
3310           continue;
3311         }
3312
3313         // Frame size out of permitted range:
3314         // Update correction factor & compute new Q to try...
3315
3316         // Frame is too large
3317         if (rc->projected_frame_size > rc->this_frame_target) {
3318           // Special case if the projected size is > the max allowed.
3319           if (rc->projected_frame_size >= rc->max_frame_bandwidth)
3320             q_high = rc->worst_quality;
3321
3322           // Raise Qlow as to at least the current value
3323           q_low = q < q_high ? q + 1 : q_high;
3324
3325           if (undershoot_seen || loop_at_this_size > 1) {
3326             // Update rate_correction_factor unless
3327             vp10_rc_update_rate_correction_factors(cpi);
3328
3329             q = (q_high + q_low + 1) / 2;
3330           } else {
3331             // Update rate_correction_factor unless
3332             vp10_rc_update_rate_correction_factors(cpi);
3333
3334             q = vp10_rc_regulate_q(cpi, rc->this_frame_target,
3335                                    bottom_index, VPXMAX(q_high, top_index));
3336
3337             while (q < q_low && retries < 10) {
3338               vp10_rc_update_rate_correction_factors(cpi);
3339               q = vp10_rc_regulate_q(cpi, rc->this_frame_target,
3340                                      bottom_index, VPXMAX(q_high, top_index));
3341               retries++;
3342             }
3343           }
3344
3345           overshoot_seen = 1;
3346         } else {
3347           // Frame is too small
3348           q_high = q > q_low ? q - 1 : q_low;
3349
3350           if (overshoot_seen || loop_at_this_size > 1) {
3351             vp10_rc_update_rate_correction_factors(cpi);
3352             q = (q_high + q_low) / 2;
3353           } else {
3354             vp10_rc_update_rate_correction_factors(cpi);
3355             q = vp10_rc_regulate_q(cpi, rc->this_frame_target,
3356                                    bottom_index, top_index);
3357             // Special case reset for qlow for constrained quality.
3358             // This should only trigger where there is very substantial
3359             // undershoot on a frame and the auto cq level is above
3360             // the user passsed in value.
3361             if (cpi->oxcf.rc_mode == VPX_CQ &&
3362                 q < q_low) {
3363               q_low = q;
3364             }
3365
3366             while (q > q_high && retries < 10) {
3367               vp10_rc_update_rate_correction_factors(cpi);
3368               q = vp10_rc_regulate_q(cpi, rc->this_frame_target,
3369                                      bottom_index, top_index);
3370               retries++;
3371             }
3372           }
3373
3374           undershoot_seen = 1;
3375         }
3376
3377         // Clamp Q to upper and lower limits:
3378         q = clamp(q, q_low, q_high);
3379
3380         loop = (q != last_q);
3381       } else {
3382         loop = 0;
3383       }
3384     }
3385
3386     // Special case for overlay frame.
3387     if (rc->is_src_frame_alt_ref &&
3388         rc->projected_frame_size < rc->max_frame_bandwidth)
3389       loop = 0;
3390
3391     if (loop) {
3392       ++loop_count;
3393       ++loop_at_this_size;
3394
3395 #if CONFIG_INTERNAL_STATS
3396       ++cpi->tot_recode_hits;
3397 #endif
3398     }
3399   } while (loop);
3400 }
3401
3402 static int get_ref_frame_flags(const VP10_COMP *cpi) {
3403   const int *const map = cpi->common.ref_frame_map;
3404   const int gold_is_last = map[cpi->gld_fb_idx] == map[cpi->lst_fb_idx];
3405   const int alt_is_last = map[cpi->alt_fb_idx] == map[cpi->lst_fb_idx];
3406   const int gold_is_alt = map[cpi->gld_fb_idx] == map[cpi->alt_fb_idx];
3407   int flags = VP9_ALT_FLAG | VP9_GOLD_FLAG | VP9_LAST_FLAG;
3408
3409   if (gold_is_last)
3410     flags &= ~VP9_GOLD_FLAG;
3411
3412   if (cpi->rc.frames_till_gf_update_due == INT_MAX)
3413     flags &= ~VP9_GOLD_FLAG;
3414
3415   if (alt_is_last)
3416     flags &= ~VP9_ALT_FLAG;
3417
3418   if (gold_is_alt)
3419     flags &= ~VP9_ALT_FLAG;
3420
3421   return flags;
3422 }
3423
3424 static void set_ext_overrides(VP10_COMP *cpi) {
3425   // Overrides the defaults with the externally supplied values with
3426   // vp10_update_reference() and vp10_update_entropy() calls
3427   // Note: The overrides are valid only for the next frame passed
3428   // to encode_frame_to_data_rate() function
3429   if (cpi->ext_refresh_frame_context_pending) {
3430     cpi->common.refresh_frame_context = cpi->ext_refresh_frame_context;
3431     cpi->ext_refresh_frame_context_pending = 0;
3432   }
3433   if (cpi->ext_refresh_frame_flags_pending) {
3434     cpi->refresh_last_frame = cpi->ext_refresh_last_frame;
3435     cpi->refresh_golden_frame = cpi->ext_refresh_golden_frame;
3436     cpi->refresh_alt_ref_frame = cpi->ext_refresh_alt_ref_frame;
3437     cpi->ext_refresh_frame_flags_pending = 0;
3438   }
3439 }
3440
3441 YV12_BUFFER_CONFIG *vp10_scale_if_required_fast(VP10_COMMON *cm,
3442                                                YV12_BUFFER_CONFIG *unscaled,
3443                                                YV12_BUFFER_CONFIG *scaled) {
3444   if (cm->mi_cols * MI_SIZE != unscaled->y_width ||
3445       cm->mi_rows * MI_SIZE != unscaled->y_height) {
3446     // For 2x2 scaling down.
3447     vpx_scale_frame(unscaled, scaled, unscaled->y_buffer, 9, 2, 1,
3448                     2, 1, 0);
3449     vpx_extend_frame_borders(scaled);
3450     return scaled;
3451   } else {
3452     return unscaled;
3453   }
3454 }
3455
3456 YV12_BUFFER_CONFIG *vp10_scale_if_required(VP10_COMMON *cm,
3457                                           YV12_BUFFER_CONFIG *unscaled,
3458                                           YV12_BUFFER_CONFIG *scaled) {
3459   if (cm->mi_cols * MI_SIZE != unscaled->y_width ||
3460       cm->mi_rows * MI_SIZE != unscaled->y_height) {
3461 #if CONFIG_VP9_HIGHBITDEPTH
3462     scale_and_extend_frame_nonnormative(unscaled, scaled, (int)cm->bit_depth);
3463 #else
3464     scale_and_extend_frame_nonnormative(unscaled, scaled);
3465 #endif  // CONFIG_VP9_HIGHBITDEPTH
3466     return scaled;
3467   } else {
3468     return unscaled;
3469   }
3470 }
3471
3472 static void set_arf_sign_bias(VP10_COMP *cpi) {
3473   VP10_COMMON *const cm = &cpi->common;
3474   int arf_sign_bias;
3475
3476   if ((cpi->oxcf.pass == 2) && cpi->multi_arf_allowed) {
3477     const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
3478     arf_sign_bias = cpi->rc.source_alt_ref_active &&
3479                     (!cpi->refresh_alt_ref_frame ||
3480                      (gf_group->rf_level[gf_group->index] == GF_ARF_LOW));
3481   } else {
3482     arf_sign_bias =
3483       (cpi->rc.source_alt_ref_active && !cpi->refresh_alt_ref_frame);
3484   }
3485   cm->ref_frame_sign_bias[ALTREF_FRAME] = arf_sign_bias;
3486 }
3487
3488 static int setup_interp_filter_search_mask(VP10_COMP *cpi) {
3489   INTERP_FILTER ifilter;
3490   int ref_total[MAX_REF_FRAMES] = {0};
3491   MV_REFERENCE_FRAME ref;
3492   int mask = 0;
3493   if (cpi->common.last_frame_type == KEY_FRAME ||
3494       cpi->refresh_alt_ref_frame)
3495     return mask;
3496   for (ref = LAST_FRAME; ref <= ALTREF_FRAME; ++ref)
3497     for (ifilter = EIGHTTAP; ifilter <= EIGHTTAP_SHARP; ++ifilter)
3498       ref_total[ref] += cpi->interp_filter_selected[ref][ifilter];
3499
3500   for (ifilter = EIGHTTAP; ifilter <= EIGHTTAP_SHARP; ++ifilter) {
3501     if ((ref_total[LAST_FRAME] &&
3502         cpi->interp_filter_selected[LAST_FRAME][ifilter] == 0) &&
3503         (ref_total[GOLDEN_FRAME] == 0 ||
3504          cpi->interp_filter_selected[GOLDEN_FRAME][ifilter] * 50
3505            < ref_total[GOLDEN_FRAME]) &&
3506         (ref_total[ALTREF_FRAME] == 0 ||
3507          cpi->interp_filter_selected[ALTREF_FRAME][ifilter] * 50
3508            < ref_total[ALTREF_FRAME]))
3509       mask |= 1 << ifilter;
3510   }
3511   return mask;
3512 }
3513
3514 static void encode_frame_to_data_rate(VP10_COMP *cpi,
3515                                       size_t *size,
3516                                       uint8_t *dest,
3517                                       unsigned int *frame_flags) {
3518   VP10_COMMON *const cm = &cpi->common;
3519   const VP10EncoderConfig *const oxcf = &cpi->oxcf;
3520   struct segmentation *const seg = &cm->seg;
3521   TX_SIZE t;
3522
3523   set_ext_overrides(cpi);
3524   vpx_clear_system_state();
3525
3526   // Set the arf sign bias for this frame.
3527   set_arf_sign_bias(cpi);
3528
3529   // Set default state for segment based loop filter update flags.
3530   cm->lf.mode_ref_delta_update = 0;
3531
3532   if (cpi->oxcf.pass == 2 &&
3533       cpi->sf.adaptive_interp_filter_search)
3534     cpi->sf.interp_filter_search_mask =
3535         setup_interp_filter_search_mask(cpi);
3536
3537   // Set various flags etc to special state if it is a key frame.
3538   if (frame_is_intra_only(cm)) {
3539     // Reset the loop filter deltas and segmentation map.
3540     vp10_reset_segment_features(&cm->seg);
3541
3542     // If segmentation is enabled force a map update for key frames.
3543     if (seg->enabled) {
3544       seg->update_map = 1;
3545       seg->update_data = 1;
3546     }
3547
3548     // The alternate reference frame cannot be active for a key frame.
3549     cpi->rc.source_alt_ref_active = 0;
3550
3551     cm->error_resilient_mode = oxcf->error_resilient_mode;
3552     cm->frame_parallel_decoding_mode = oxcf->frame_parallel_decoding_mode;
3553
3554     // By default, encoder assumes decoder can use prev_mi.
3555     if (cm->error_resilient_mode) {
3556       cm->frame_parallel_decoding_mode = 1;
3557       cm->reset_frame_context = 0;
3558       cm->refresh_frame_context = 0;
3559     } else if (cm->intra_only) {
3560       // Only reset the current context.
3561       cm->reset_frame_context = 2;
3562     }
3563   }
3564
3565   // For 1 pass CBR, check if we are dropping this frame.
3566   // Never drop on key frame.
3567   if (oxcf->pass == 0 &&
3568       oxcf->rc_mode == VPX_CBR &&
3569       cm->frame_type != KEY_FRAME) {
3570     if (vp10_rc_drop_frame(cpi)) {
3571       vp10_rc_postencode_update_drop_frame(cpi);
3572       ++cm->current_video_frame;
3573       return;
3574     }
3575   }
3576
3577   vpx_clear_system_state();
3578
3579 #if CONFIG_INTERNAL_STATS
3580   memset(cpi->mode_chosen_counts, 0,
3581          MAX_MODES * sizeof(*cpi->mode_chosen_counts));
3582 #endif
3583
3584   if (cpi->sf.recode_loop == DISALLOW_RECODE) {
3585     encode_without_recode_loop(cpi);
3586   } else {
3587     encode_with_recode_loop(cpi, size, dest);
3588   }
3589
3590 #if CONFIG_VP9_TEMPORAL_DENOISING
3591 #ifdef OUTPUT_YUV_DENOISED
3592   if (oxcf->noise_sensitivity > 0) {
3593     vp10_write_yuv_frame_420(&cpi->denoiser.running_avg_y[INTRA_FRAME],
3594                             yuv_denoised_file);
3595   }
3596 #endif
3597 #endif
3598 #ifdef OUTPUT_YUV_SKINMAP
3599   if (cpi->common.current_video_frame > 1) {
3600     vp10_compute_skin_map(cpi, yuv_skinmap_file);
3601   }
3602 #endif
3603
3604   // Special case code to reduce pulsing when key frames are forced at a
3605   // fixed interval. Note the reconstruction error if it is the frame before
3606   // the force key frame
3607   if (cpi->rc.next_key_frame_forced && cpi->rc.frames_to_key == 1) {
3608 #if CONFIG_VP9_HIGHBITDEPTH
3609     if (cm->use_highbitdepth) {
3610       cpi->ambient_err = vp10_highbd_get_y_sse(cpi->Source,
3611                                               get_frame_new_buffer(cm));
3612     } else {
3613       cpi->ambient_err = vp10_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3614     }
3615 #else
3616     cpi->ambient_err = vp10_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3617 #endif  // CONFIG_VP9_HIGHBITDEPTH
3618   }
3619
3620   // If the encoder forced a KEY_FRAME decision
3621   if (cm->frame_type == KEY_FRAME)
3622     cpi->refresh_last_frame = 1;
3623
3624   cm->frame_to_show = get_frame_new_buffer(cm);
3625
3626   // Pick the loop filter level for the frame.
3627   loopfilter_frame(cpi, cm);
3628
3629   // build the bitstream
3630   vp10_pack_bitstream(cpi, dest, size);
3631
3632   if (cm->seg.update_map)
3633     update_reference_segmentation_map(cpi);
3634
3635   if (frame_is_intra_only(cm) == 0) {
3636     release_scaled_references(cpi);
3637   }
3638   vp10_update_reference_frames(cpi);
3639
3640   for (t = TX_4X4; t <= TX_32X32; t++)
3641     full_to_model_counts(cpi->td.counts->coef[t],
3642                          cpi->td.rd_counts.coef_counts[t]);
3643
3644   if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode)
3645     vp10_adapt_coef_probs(cm);
3646
3647   if (!frame_is_intra_only(cm)) {
3648     if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode) {
3649       vp10_adapt_mode_probs(cm);
3650       vp10_adapt_mv_probs(cm, cm->allow_high_precision_mv);
3651     }
3652   }
3653
3654   if (cpi->refresh_golden_frame == 1)
3655     cpi->frame_flags |= FRAMEFLAGS_GOLDEN;
3656   else
3657     cpi->frame_flags &= ~FRAMEFLAGS_GOLDEN;
3658
3659   if (cpi->refresh_alt_ref_frame == 1)
3660     cpi->frame_flags |= FRAMEFLAGS_ALTREF;
3661   else
3662     cpi->frame_flags &= ~FRAMEFLAGS_ALTREF;
3663
3664   cpi->ref_frame_flags = get_ref_frame_flags(cpi);
3665
3666   cm->last_frame_type = cm->frame_type;
3667
3668   vp10_rc_postencode_update(cpi, *size);
3669
3670 #if 0
3671   output_frame_level_debug_stats(cpi);
3672 #endif
3673
3674   if (cm->frame_type == KEY_FRAME) {
3675     // Tell the caller that the frame was coded as a key frame
3676     *frame_flags = cpi->frame_flags | FRAMEFLAGS_KEY;
3677   } else {
3678     *frame_flags = cpi->frame_flags & ~FRAMEFLAGS_KEY;
3679   }
3680
3681   // Clear the one shot update flags for segmentation map and mode/ref loop
3682   // filter deltas.
3683   cm->seg.update_map = 0;
3684   cm->seg.update_data = 0;
3685   cm->lf.mode_ref_delta_update = 0;
3686
3687   // keep track of the last coded dimensions
3688   cm->last_width = cm->width;
3689   cm->last_height = cm->height;
3690
3691   // reset to normal state now that we are done.
3692   if (!cm->show_existing_frame)
3693     cm->last_show_frame = cm->show_frame;
3694
3695   if (cm->show_frame) {
3696     vp10_swap_mi_and_prev_mi(cm);
3697     // Don't increment frame counters if this was an altref buffer
3698     // update not a real frame
3699     ++cm->current_video_frame;
3700   }
3701   cm->prev_frame = cm->cur_frame;
3702 }
3703
3704 static void Pass0Encode(VP10_COMP *cpi, size_t *size, uint8_t *dest,
3705                         unsigned int *frame_flags) {
3706   if (cpi->oxcf.rc_mode == VPX_CBR) {
3707     vp10_rc_get_one_pass_cbr_params(cpi);
3708   } else {
3709     vp10_rc_get_one_pass_vbr_params(cpi);
3710   }
3711   encode_frame_to_data_rate(cpi, size, dest, frame_flags);
3712 }
3713
3714 static void Pass2Encode(VP10_COMP *cpi, size_t *size,
3715                         uint8_t *dest, unsigned int *frame_flags) {
3716   cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
3717   encode_frame_to_data_rate(cpi, size, dest, frame_flags);
3718
3719   vp10_twopass_postencode_update(cpi);
3720 }
3721
3722 static void init_ref_frame_bufs(VP10_COMMON *cm) {
3723   int i;
3724   BufferPool *const pool = cm->buffer_pool;
3725   cm->new_fb_idx = INVALID_IDX;
3726   for (i = 0; i < REF_FRAMES; ++i) {
3727     cm->ref_frame_map[i] = INVALID_IDX;
3728     pool->frame_bufs[i].ref_count = 0;
3729   }
3730 }
3731
3732 static void check_initial_width(VP10_COMP *cpi,
3733 #if CONFIG_VP9_HIGHBITDEPTH
3734                                 int use_highbitdepth,
3735 #endif
3736                                 int subsampling_x, int subsampling_y) {
3737   VP10_COMMON *const cm = &cpi->common;
3738
3739   if (!cpi->initial_width ||
3740 #if CONFIG_VP9_HIGHBITDEPTH
3741       cm->use_highbitdepth != use_highbitdepth ||
3742 #endif
3743       cm->subsampling_x != subsampling_x ||
3744       cm->subsampling_y != subsampling_y) {
3745     cm->subsampling_x = subsampling_x;
3746     cm->subsampling_y = subsampling_y;
3747 #if CONFIG_VP9_HIGHBITDEPTH
3748     cm->use_highbitdepth = use_highbitdepth;
3749 #endif
3750
3751     alloc_raw_frame_buffers(cpi);
3752     init_ref_frame_bufs(cm);
3753     alloc_util_frame_buffers(cpi);
3754
3755     init_motion_estimation(cpi);  // TODO(agrange) This can be removed.
3756
3757     cpi->initial_width = cm->width;
3758     cpi->initial_height = cm->height;
3759     cpi->initial_mbs = cm->MBs;
3760   }
3761 }
3762
3763 #if CONFIG_VP9_TEMPORAL_DENOISING
3764 static void setup_denoiser_buffer(VP10_COMP *cpi) {
3765   VP10_COMMON *const cm = &cpi->common;
3766   if (cpi->oxcf.noise_sensitivity > 0 &&
3767       !cpi->denoiser.frame_buffer_initialized) {
3768     vp10_denoiser_alloc(&(cpi->denoiser), cm->width, cm->height,
3769                        cm->subsampling_x, cm->subsampling_y,
3770 #if CONFIG_VP9_HIGHBITDEPTH
3771                        cm->use_highbitdepth,
3772 #endif
3773                        VP9_ENC_BORDER_IN_PIXELS);
3774   }
3775 }
3776 #endif
3777
3778 int vp10_receive_raw_frame(VP10_COMP *cpi, unsigned int frame_flags,
3779                           YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
3780                           int64_t end_time) {
3781   VP10_COMMON *cm = &cpi->common;
3782   struct vpx_usec_timer timer;
3783   int res = 0;
3784   const int subsampling_x = sd->subsampling_x;
3785   const int subsampling_y = sd->subsampling_y;
3786 #if CONFIG_VP9_HIGHBITDEPTH
3787   const int use_highbitdepth = sd->flags & YV12_FLAG_HIGHBITDEPTH;
3788   check_initial_width(cpi, use_highbitdepth, subsampling_x, subsampling_y);
3789 #else
3790   check_initial_width(cpi, subsampling_x, subsampling_y);
3791 #endif  // CONFIG_VP9_HIGHBITDEPTH
3792
3793 #if CONFIG_VP9_TEMPORAL_DENOISING
3794   setup_denoiser_buffer(cpi);
3795 #endif
3796   vpx_usec_timer_start(&timer);
3797
3798   if (vp10_lookahead_push(cpi->lookahead, sd, time_stamp, end_time,
3799 #if CONFIG_VP9_HIGHBITDEPTH
3800                          use_highbitdepth,
3801 #endif  // CONFIG_VP9_HIGHBITDEPTH
3802                          frame_flags))
3803     res = -1;
3804   vpx_usec_timer_mark(&timer);
3805   cpi->time_receive_data += vpx_usec_timer_elapsed(&timer);
3806
3807   if ((cm->profile == PROFILE_0 || cm->profile == PROFILE_2) &&
3808       (subsampling_x != 1 || subsampling_y != 1)) {
3809     vpx_internal_error(&cm->error, VPX_CODEC_INVALID_PARAM,
3810                        "Non-4:2:0 color format requires profile 1 or 3");
3811     res = -1;
3812   }
3813   if ((cm->profile == PROFILE_1 || cm->profile == PROFILE_3) &&
3814       (subsampling_x == 1 && subsampling_y == 1)) {
3815     vpx_internal_error(&cm->error, VPX_CODEC_INVALID_PARAM,
3816                        "4:2:0 color format requires profile 0 or 2");
3817     res = -1;
3818   }
3819
3820   return res;
3821 }
3822
3823
3824 static int frame_is_reference(const VP10_COMP *cpi) {
3825   const VP10_COMMON *cm = &cpi->common;
3826
3827   return cm->frame_type == KEY_FRAME ||
3828          cpi->refresh_last_frame ||
3829          cpi->refresh_golden_frame ||
3830          cpi->refresh_alt_ref_frame ||
3831          cm->refresh_frame_context ||
3832          cm->lf.mode_ref_delta_update ||
3833          cm->seg.update_map ||
3834          cm->seg.update_data;
3835 }
3836
3837 static void adjust_frame_rate(VP10_COMP *cpi,
3838                               const struct lookahead_entry *source) {
3839   int64_t this_duration;
3840   int step = 0;
3841
3842   if (source->ts_start == cpi->first_time_stamp_ever) {
3843     this_duration = source->ts_end - source->ts_start;
3844     step = 1;
3845   } else {
3846     int64_t last_duration = cpi->last_end_time_stamp_seen
3847         - cpi->last_time_stamp_seen;
3848
3849     this_duration = source->ts_end - cpi->last_end_time_stamp_seen;
3850
3851     // do a step update if the duration changes by 10%
3852     if (last_duration)
3853       step = (int)((this_duration - last_duration) * 10 / last_duration);
3854   }
3855
3856   if (this_duration) {
3857     if (step) {
3858       vp10_new_framerate(cpi, 10000000.0 / this_duration);
3859     } else {
3860       // Average this frame's rate into the last second's average
3861       // frame rate. If we haven't seen 1 second yet, then average
3862       // over the whole interval seen.
3863       const double interval = VPXMIN(
3864           (double)(source->ts_end - cpi->first_time_stamp_ever), 10000000.0);
3865       double avg_duration = 10000000.0 / cpi->framerate;
3866       avg_duration *= (interval - avg_duration + this_duration);
3867       avg_duration /= interval;
3868
3869       vp10_new_framerate(cpi, 10000000.0 / avg_duration);
3870     }
3871   }
3872   cpi->last_time_stamp_seen = source->ts_start;
3873   cpi->last_end_time_stamp_seen = source->ts_end;
3874 }
3875
3876 // Returns 0 if this is not an alt ref else the offset of the source frame
3877 // used as the arf midpoint.
3878 static int get_arf_src_index(VP10_COMP *cpi) {
3879   RATE_CONTROL *const rc = &cpi->rc;
3880   int arf_src_index = 0;
3881   if (is_altref_enabled(cpi)) {
3882     if (cpi->oxcf.pass == 2) {
3883       const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
3884       if (gf_group->update_type[gf_group->index] == ARF_UPDATE) {
3885         arf_src_index = gf_group->arf_src_offset[gf_group->index];
3886       }
3887     } else if (rc->source_alt_ref_pending) {
3888       arf_src_index = rc->frames_till_gf_update_due;
3889     }
3890   }
3891   return arf_src_index;
3892 }
3893
3894 static void check_src_altref(VP10_COMP *cpi,
3895                              const struct lookahead_entry *source) {
3896   RATE_CONTROL *const rc = &cpi->rc;
3897
3898   if (cpi->oxcf.pass == 2) {
3899     const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
3900     rc->is_src_frame_alt_ref =
3901       (gf_group->update_type[gf_group->index] == OVERLAY_UPDATE);
3902   } else {
3903     rc->is_src_frame_alt_ref = cpi->alt_ref_source &&
3904                                (source == cpi->alt_ref_source);
3905   }
3906
3907   if (rc->is_src_frame_alt_ref) {
3908     // Current frame is an ARF overlay frame.
3909     cpi->alt_ref_source = NULL;
3910
3911     // Don't refresh the last buffer for an ARF overlay frame. It will
3912     // become the GF so preserve last as an alternative prediction option.
3913     cpi->refresh_last_frame = 0;
3914   }
3915 }
3916
3917 #if CONFIG_INTERNAL_STATS
3918 extern double vp10_get_blockiness(const unsigned char *img1, int img1_pitch,
3919                                  const unsigned char *img2, int img2_pitch,
3920                                  int width, int height);
3921
3922 static void adjust_image_stat(double y, double u, double v, double all,
3923                               ImageStat *s) {
3924   s->stat[Y] += y;
3925   s->stat[U] += u;
3926   s->stat[V] += v;
3927   s->stat[ALL] += all;
3928   s->worst = VPXMIN(s->worst, all);
3929 }
3930 #endif  // CONFIG_INTERNAL_STATS
3931
3932 int vp10_get_compressed_data(VP10_COMP *cpi, unsigned int *frame_flags,
3933                             size_t *size, uint8_t *dest,
3934                             int64_t *time_stamp, int64_t *time_end, int flush) {
3935   const VP10EncoderConfig *const oxcf = &cpi->oxcf;
3936   VP10_COMMON *const cm = &cpi->common;
3937   BufferPool *const pool = cm->buffer_pool;
3938   RATE_CONTROL *const rc = &cpi->rc;
3939   struct vpx_usec_timer  cmptimer;
3940   YV12_BUFFER_CONFIG *force_src_buffer = NULL;
3941   struct lookahead_entry *last_source = NULL;
3942   struct lookahead_entry *source = NULL;
3943   int arf_src_index;
3944   int i;
3945
3946   vpx_usec_timer_start(&cmptimer);
3947
3948   vp10_set_high_precision_mv(cpi, ALTREF_HIGH_PRECISION_MV);
3949
3950   // Is multi-arf enabled.
3951   // Note that at the moment multi_arf is only configured for 2 pass VBR
3952   if ((oxcf->pass == 2) && (cpi->oxcf.enable_auto_arf > 1))
3953     cpi->multi_arf_allowed = 1;
3954   else
3955     cpi->multi_arf_allowed = 0;
3956
3957   // Normal defaults
3958   cm->reset_frame_context = 0;
3959   cm->refresh_frame_context = 1;
3960
3961   cpi->refresh_last_frame = 1;
3962   cpi->refresh_golden_frame = 0;
3963   cpi->refresh_alt_ref_frame = 0;
3964
3965   // Should we encode an arf frame.
3966   arf_src_index = get_arf_src_index(cpi);
3967
3968   if (arf_src_index) {
3969     assert(arf_src_index <= rc->frames_to_key);
3970
3971     if ((source = vp10_lookahead_peek(cpi->lookahead, arf_src_index)) != NULL) {
3972       cpi->alt_ref_source = source;
3973
3974       if (oxcf->arnr_max_frames > 0) {
3975         // Produce the filtered ARF frame.
3976         vp10_temporal_filter(cpi, arf_src_index);
3977         vpx_extend_frame_borders(&cpi->alt_ref_buffer);
3978         force_src_buffer = &cpi->alt_ref_buffer;
3979       }
3980
3981       cm->show_frame = 0;
3982       cm->intra_only = 0;
3983       cpi->refresh_alt_ref_frame = 1;
3984       cpi->refresh_golden_frame = 0;
3985       cpi->refresh_last_frame = 0;
3986       rc->is_src_frame_alt_ref = 0;
3987       rc->source_alt_ref_pending = 0;
3988     } else {
3989       rc->source_alt_ref_pending = 0;
3990     }
3991   }
3992
3993   if (!source) {
3994     // Get last frame source.
3995     if (cm->current_video_frame > 0) {
3996       if ((last_source = vp10_lookahead_peek(cpi->lookahead, -1)) == NULL)
3997         return -1;
3998     }
3999
4000     // Read in the source frame.
4001     source = vp10_lookahead_pop(cpi->lookahead, flush);
4002
4003     if (source != NULL) {
4004       cm->show_frame = 1;
4005       cm->intra_only = 0;
4006
4007       // Check to see if the frame should be encoded as an arf overlay.
4008       check_src_altref(cpi, source);
4009     }
4010   }
4011
4012   if (source) {
4013     cpi->un_scaled_source = cpi->Source = force_src_buffer ? force_src_buffer
4014                                                            : &source->img;
4015
4016     cpi->unscaled_last_source = last_source != NULL ? &last_source->img : NULL;
4017
4018     *time_stamp = source->ts_start;
4019     *time_end = source->ts_end;
4020     *frame_flags = (source->flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
4021
4022   } else {
4023     *size = 0;
4024     if (flush && oxcf->pass == 1 && !cpi->twopass.first_pass_done) {
4025       vp10_end_first_pass(cpi);    /* get last stats packet */
4026       cpi->twopass.first_pass_done = 1;
4027     }
4028     return -1;
4029   }
4030
4031   if (source->ts_start < cpi->first_time_stamp_ever) {
4032     cpi->first_time_stamp_ever = source->ts_start;
4033     cpi->last_end_time_stamp_seen = source->ts_start;
4034   }
4035
4036   // Clear down mmx registers
4037   vpx_clear_system_state();
4038
4039   // adjust frame rates based on timestamps given
4040   if (cm->show_frame) {
4041     adjust_frame_rate(cpi, source);
4042   }
4043
4044   // Find a free buffer for the new frame, releasing the reference previously
4045   // held.
4046   if (cm->new_fb_idx != INVALID_IDX) {
4047     --pool->frame_bufs[cm->new_fb_idx].ref_count;
4048   }
4049   cm->new_fb_idx = get_free_fb(cm);
4050
4051   if (cm->new_fb_idx == INVALID_IDX)
4052     return -1;
4053
4054   cm->cur_frame = &pool->frame_bufs[cm->new_fb_idx];
4055
4056   if (cpi->multi_arf_allowed) {
4057     if (cm->frame_type == KEY_FRAME) {
4058       init_buffer_indices(cpi);
4059     } else if (oxcf->pass == 2) {
4060       const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
4061       cpi->alt_fb_idx = gf_group->arf_ref_idx[gf_group->index];
4062     }
4063   }
4064
4065   // Start with a 0 size frame.
4066   *size = 0;
4067
4068   cpi->frame_flags = *frame_flags;
4069
4070   if (oxcf->pass == 2) {
4071     vp10_rc_get_second_pass_params(cpi);
4072   } else if (oxcf->pass == 1) {
4073     set_frame_size(cpi);
4074   }
4075
4076   if (cpi->oxcf.pass != 0 || frame_is_intra_only(cm) == 1) {
4077     for (i = 0; i < MAX_REF_FRAMES; ++i)
4078       cpi->scaled_ref_idx[i] = INVALID_IDX;
4079   }
4080
4081   if (oxcf->pass == 1) {
4082     const int lossless = is_lossless_requested(oxcf);
4083 #if CONFIG_VP9_HIGHBITDEPTH
4084     if (cpi->oxcf.use_highbitdepth)
4085       cpi->td.mb.fwd_txm4x4 = lossless ?
4086           vp10_highbd_fwht4x4 : vpx_highbd_fdct4x4;
4087     else
4088       cpi->td.mb.fwd_txm4x4 = lossless ? vp10_fwht4x4 : vpx_fdct4x4;
4089     cpi->td.mb.highbd_itxm_add = lossless ? vp10_highbd_iwht4x4_add :
4090                                          vp10_highbd_idct4x4_add;
4091 #else
4092     cpi->td.mb.fwd_txm4x4 = lossless ? vp10_fwht4x4 : vpx_fdct4x4;
4093 #endif  // CONFIG_VP9_HIGHBITDEPTH
4094     cpi->td.mb.itxm_add = lossless ? vp10_iwht4x4_add : vp10_idct4x4_add;
4095     vp10_first_pass(cpi, source);
4096   } else if (oxcf->pass == 2) {
4097     Pass2Encode(cpi, size, dest, frame_flags);
4098   } else {
4099     // One pass encode
4100     Pass0Encode(cpi, size, dest, frame_flags);
4101   }
4102
4103   if (cm->refresh_frame_context)
4104     cm->frame_contexts[cm->frame_context_idx] = *cm->fc;
4105
4106   // No frame encoded, or frame was dropped, release scaled references.
4107   if ((*size == 0) && (frame_is_intra_only(cm) == 0)) {
4108     release_scaled_references(cpi);
4109   }
4110
4111   if (*size > 0) {
4112     cpi->droppable = !frame_is_reference(cpi);
4113   }
4114
4115   vpx_usec_timer_mark(&cmptimer);
4116   cpi->time_compress_data += vpx_usec_timer_elapsed(&cmptimer);
4117
4118   if (cpi->b_calculate_psnr && oxcf->pass != 1 && cm->show_frame)
4119     generate_psnr_packet(cpi);
4120
4121 #if CONFIG_INTERNAL_STATS
4122
4123   if (oxcf->pass != 1) {
4124     double samples = 0.0;
4125     cpi->bytes += (int)(*size);
4126
4127     if (cm->show_frame) {
4128       cpi->count++;
4129
4130       if (cpi->b_calculate_psnr) {
4131         YV12_BUFFER_CONFIG *orig = cpi->Source;
4132         YV12_BUFFER_CONFIG *recon = cpi->common.frame_to_show;
4133         YV12_BUFFER_CONFIG *pp = &cm->post_proc_buffer;
4134         PSNR_STATS psnr;
4135 #if CONFIG_VP9_HIGHBITDEPTH
4136         calc_highbd_psnr(orig, recon, &psnr, cpi->td.mb.e_mbd.bd,
4137                          cpi->oxcf.input_bit_depth);
4138 #else
4139         calc_psnr(orig, recon, &psnr);
4140 #endif  // CONFIG_VP9_HIGHBITDEPTH
4141
4142         adjust_image_stat(psnr.psnr[1], psnr.psnr[2], psnr.psnr[3],
4143                           psnr.psnr[0], &cpi->psnr);
4144         cpi->total_sq_error += psnr.sse[0];
4145         cpi->total_samples += psnr.samples[0];
4146         samples = psnr.samples[0];
4147
4148         {
4149           PSNR_STATS psnr2;
4150           double frame_ssim2 = 0, weight = 0;
4151 #if CONFIG_VP9_POSTPROC
4152           if (vpx_alloc_frame_buffer(&cm->post_proc_buffer,
4153                                      recon->y_crop_width, recon->y_crop_height,
4154                                      cm->subsampling_x, cm->subsampling_y,
4155 #if CONFIG_VP9_HIGHBITDEPTH
4156                                      cm->use_highbitdepth,
4157 #endif
4158                                      VP9_ENC_BORDER_IN_PIXELS,
4159                                      cm->byte_alignment) < 0) {
4160             vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
4161                                "Failed to allocate post processing buffer");
4162           }
4163
4164           vp10_deblock(cm->frame_to_show, &cm->post_proc_buffer,
4165                       cm->lf.filter_level * 10 / 6);
4166 #endif
4167           vpx_clear_system_state();
4168
4169 #if CONFIG_VP9_HIGHBITDEPTH
4170           calc_highbd_psnr(orig, pp, &psnr2, cpi->td.mb.e_mbd.bd,
4171                            cpi->oxcf.input_bit_depth);
4172 #else
4173           calc_psnr(orig, pp, &psnr2);
4174 #endif  // CONFIG_VP9_HIGHBITDEPTH
4175
4176           cpi->totalp_sq_error += psnr2.sse[0];
4177           cpi->totalp_samples += psnr2.samples[0];
4178           adjust_image_stat(psnr2.psnr[1], psnr2.psnr[2], psnr2.psnr[3],
4179                             psnr2.psnr[0], &cpi->psnrp);
4180
4181 #if CONFIG_VP9_HIGHBITDEPTH
4182           if (cm->use_highbitdepth) {
4183             frame_ssim2 = vpx_highbd_calc_ssim(orig, recon, &weight,
4184                                                (int)cm->bit_depth);
4185           } else {
4186             frame_ssim2 = vpx_calc_ssim(orig, recon, &weight);
4187           }
4188 #else
4189           frame_ssim2 = vpx_calc_ssim(orig, recon, &weight);
4190 #endif  // CONFIG_VP9_HIGHBITDEPTH
4191
4192           cpi->worst_ssim= VPXMIN(cpi->worst_ssim, frame_ssim2);
4193           cpi->summed_quality += frame_ssim2 * weight;
4194           cpi->summed_weights += weight;
4195
4196 #if CONFIG_VP9_HIGHBITDEPTH
4197           if (cm->use_highbitdepth) {
4198             frame_ssim2 = vpx_highbd_calc_ssim(
4199                 orig, &cm->post_proc_buffer, &weight, (int)cm->bit_depth);
4200           } else {
4201             frame_ssim2 = vpx_calc_ssim(orig, &cm->post_proc_buffer, &weight);
4202           }
4203 #else
4204           frame_ssim2 = vpx_calc_ssim(orig, &cm->post_proc_buffer, &weight);
4205 #endif  // CONFIG_VP9_HIGHBITDEPTH
4206
4207           cpi->summedp_quality += frame_ssim2 * weight;
4208           cpi->summedp_weights += weight;
4209 #if 0
4210           {
4211             FILE *f = fopen("q_used.stt", "a");
4212             fprintf(f, "%5d : Y%f7.3:U%f7.3:V%f7.3:F%f7.3:S%7.3f\n",
4213                     cpi->common.current_video_frame, y2, u2, v2,
4214                     frame_psnr2, frame_ssim2);
4215             fclose(f);
4216           }
4217 #endif
4218         }
4219       }
4220       if (cpi->b_calculate_blockiness) {
4221 #if CONFIG_VP9_HIGHBITDEPTH
4222         if (!cm->use_highbitdepth)
4223 #endif
4224         {
4225           double frame_blockiness = vp10_get_blockiness(
4226               cpi->Source->y_buffer, cpi->Source->y_stride,
4227               cm->frame_to_show->y_buffer, cm->frame_to_show->y_stride,
4228               cpi->Source->y_width, cpi->Source->y_height);
4229           cpi->worst_blockiness =
4230               VPXMAX(cpi->worst_blockiness, frame_blockiness);
4231           cpi->total_blockiness += frame_blockiness;
4232         }
4233       }
4234
4235       if (cpi->b_calculate_consistency) {
4236 #if CONFIG_VP9_HIGHBITDEPTH
4237         if (!cm->use_highbitdepth)
4238 #endif
4239         {
4240           double this_inconsistency = vpx_get_ssim_metrics(
4241               cpi->Source->y_buffer, cpi->Source->y_stride,
4242               cm->frame_to_show->y_buffer, cm->frame_to_show->y_stride,
4243               cpi->Source->y_width, cpi->Source->y_height, cpi->ssim_vars,
4244               &cpi->metrics, 1);
4245
4246           const double peak = (double)((1 << cpi->oxcf.input_bit_depth) - 1);
4247           double consistency = vpx_sse_to_psnr(samples, peak,
4248                                              (double)cpi->total_inconsistency);
4249           if (consistency > 0.0)
4250             cpi->worst_consistency =
4251                 VPXMIN(cpi->worst_consistency, consistency);
4252           cpi->total_inconsistency += this_inconsistency;
4253         }
4254       }
4255
4256       if (cpi->b_calculate_ssimg) {
4257         double y, u, v, frame_all;
4258 #if CONFIG_VP9_HIGHBITDEPTH
4259         if (cm->use_highbitdepth) {
4260           frame_all = vpx_highbd_calc_ssimg(cpi->Source, cm->frame_to_show, &y,
4261                                             &u, &v, (int)cm->bit_depth);
4262         } else {
4263           frame_all = vpx_calc_ssimg(cpi->Source, cm->frame_to_show, &y, &u,
4264                                      &v);
4265         }
4266 #else
4267         frame_all = vpx_calc_ssimg(cpi->Source, cm->frame_to_show, &y, &u, &v);
4268 #endif  // CONFIG_VP9_HIGHBITDEPTH
4269         adjust_image_stat(y, u, v, frame_all, &cpi->ssimg);
4270       }
4271 #if CONFIG_VP9_HIGHBITDEPTH
4272       if (!cm->use_highbitdepth)
4273 #endif
4274       {
4275         double y, u, v, frame_all;
4276         frame_all = vpx_calc_fastssim(cpi->Source, cm->frame_to_show, &y, &u,
4277                                       &v);
4278         adjust_image_stat(y, u, v, frame_all, &cpi->fastssim);
4279         /* TODO(JBB): add 10/12 bit support */
4280       }
4281 #if CONFIG_VP9_HIGHBITDEPTH
4282       if (!cm->use_highbitdepth)
4283 #endif
4284       {
4285         double y, u, v, frame_all;
4286         frame_all = vpx_psnrhvs(cpi->Source, cm->frame_to_show, &y, &u, &v);
4287         adjust_image_stat(y, u, v, frame_all, &cpi->psnrhvs);
4288       }
4289     }
4290   }
4291 #endif
4292
4293   vpx_clear_system_state();
4294   return 0;
4295 }
4296
4297 int vp10_get_preview_raw_frame(VP10_COMP *cpi, YV12_BUFFER_CONFIG *dest,
4298                               vp10_ppflags_t *flags) {
4299   VP10_COMMON *cm = &cpi->common;
4300 #if !CONFIG_VP9_POSTPROC
4301   (void)flags;
4302 #endif
4303
4304   if (!cm->show_frame) {
4305     return -1;
4306   } else {
4307     int ret;
4308 #if CONFIG_VP9_POSTPROC
4309     ret = vp10_post_proc_frame(cm, dest, flags);
4310 #else
4311     if (cm->frame_to_show) {
4312       *dest = *cm->frame_to_show;
4313       dest->y_width = cm->width;
4314       dest->y_height = cm->height;
4315       dest->uv_width = cm->width >> cm->subsampling_x;
4316       dest->uv_height = cm->height >> cm->subsampling_y;
4317       ret = 0;
4318     } else {
4319       ret = -1;
4320     }
4321 #endif  // !CONFIG_VP9_POSTPROC
4322     vpx_clear_system_state();
4323     return ret;
4324   }
4325 }
4326
4327 int vp10_set_internal_size(VP10_COMP *cpi,
4328                           VPX_SCALING horiz_mode, VPX_SCALING vert_mode) {
4329   VP10_COMMON *cm = &cpi->common;
4330   int hr = 0, hs = 0, vr = 0, vs = 0;
4331
4332   if (horiz_mode > ONETWO || vert_mode > ONETWO)
4333     return -1;
4334
4335   Scale2Ratio(horiz_mode, &hr, &hs);
4336   Scale2Ratio(vert_mode, &vr, &vs);
4337
4338   // always go to the next whole number
4339   cm->width = (hs - 1 + cpi->oxcf.width * hr) / hs;
4340   cm->height = (vs - 1 + cpi->oxcf.height * vr) / vs;
4341   assert(cm->width <= cpi->initial_width);
4342   assert(cm->height <= cpi->initial_height);
4343
4344   update_frame_size(cpi);
4345
4346   return 0;
4347 }
4348
4349 int vp10_set_size_literal(VP10_COMP *cpi, unsigned int width,
4350                          unsigned int height) {
4351   VP10_COMMON *cm = &cpi->common;
4352 #if CONFIG_VP9_HIGHBITDEPTH
4353   check_initial_width(cpi, cm->use_highbitdepth, 1, 1);
4354 #else
4355   check_initial_width(cpi, 1, 1);
4356 #endif  // CONFIG_VP9_HIGHBITDEPTH
4357
4358 #if CONFIG_VP9_TEMPORAL_DENOISING
4359   setup_denoiser_buffer(cpi);
4360 #endif
4361
4362   if (width) {
4363     cm->width = width;
4364     if (cm->width > cpi->initial_width) {
4365       cm->width = cpi->initial_width;
4366       printf("Warning: Desired width too large, changed to %d\n", cm->width);
4367     }
4368   }
4369
4370   if (height) {
4371     cm->height = height;
4372     if (cm->height > cpi->initial_height) {
4373       cm->height = cpi->initial_height;
4374       printf("Warning: Desired height too large, changed to %d\n", cm->height);
4375     }
4376   }
4377   assert(cm->width <= cpi->initial_width);
4378   assert(cm->height <= cpi->initial_height);
4379
4380   update_frame_size(cpi);
4381
4382   return 0;
4383 }
4384
4385 int64_t vp10_get_y_sse(const YV12_BUFFER_CONFIG *a,
4386                       const YV12_BUFFER_CONFIG *b) {
4387   assert(a->y_crop_width == b->y_crop_width);
4388   assert(a->y_crop_height == b->y_crop_height);
4389
4390   return get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride,
4391                  a->y_crop_width, a->y_crop_height);
4392 }
4393
4394 #if CONFIG_VP9_HIGHBITDEPTH
4395 int64_t vp10_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
4396                              const YV12_BUFFER_CONFIG *b) {
4397   assert(a->y_crop_width == b->y_crop_width);
4398   assert(a->y_crop_height == b->y_crop_height);
4399   assert((a->flags & YV12_FLAG_HIGHBITDEPTH) != 0);
4400   assert((b->flags & YV12_FLAG_HIGHBITDEPTH) != 0);
4401
4402   return highbd_get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride,
4403                         a->y_crop_width, a->y_crop_height);
4404 }
4405 #endif  // CONFIG_VP9_HIGHBITDEPTH
4406
4407 int vp10_get_quantizer(VP10_COMP *cpi) {
4408   return cpi->common.base_qindex;
4409 }
4410
4411 void vp10_apply_encoding_flags(VP10_COMP *cpi, vpx_enc_frame_flags_t flags) {
4412   if (flags & (VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF |
4413                VP8_EFLAG_NO_REF_ARF)) {
4414     int ref = 7;
4415
4416     if (flags & VP8_EFLAG_NO_REF_LAST)
4417       ref ^= VP9_LAST_FLAG;
4418
4419     if (flags & VP8_EFLAG_NO_REF_GF)
4420       ref ^= VP9_GOLD_FLAG;
4421
4422     if (flags & VP8_EFLAG_NO_REF_ARF)
4423       ref ^= VP9_ALT_FLAG;
4424
4425     vp10_use_as_reference(cpi, ref);
4426   }
4427
4428   if (flags & (VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
4429                VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_FORCE_GF |
4430                VP8_EFLAG_FORCE_ARF)) {
4431     int upd = 7;
4432
4433     if (flags & VP8_EFLAG_NO_UPD_LAST)
4434       upd ^= VP9_LAST_FLAG;
4435
4436     if (flags & VP8_EFLAG_NO_UPD_GF)
4437       upd ^= VP9_GOLD_FLAG;
4438
4439     if (flags & VP8_EFLAG_NO_UPD_ARF)
4440       upd ^= VP9_ALT_FLAG;
4441
4442     vp10_update_reference(cpi, upd);
4443   }
4444
4445   if (flags & VP8_EFLAG_NO_UPD_ENTROPY) {
4446     vp10_update_entropy(cpi, 0);
4447   }
4448 }