granicus.if.org Git - libvpx/blob - vp9/encoder/vp9_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 "./vp9_rtcd.h"
  16 #include "./vpx_config.h"
  17 #include "./vpx_dsp_rtcd.h"
  18 #include "./vpx_scale_rtcd.h"
  19 #include "vpx/internal/vpx_psnr.h"
  20 #include "vpx_dsp/vpx_filter.h"
  21 #if CONFIG_INTERNAL_STATS
  22 #include "vpx_dsp/ssim.h"
  23 #endif
  24 #include "vpx_ports/mem.h"
  25 #include "vpx_ports/system_state.h"
  26 #include "vpx_ports/vpx_timer.h"
  27
  28 #include "vp9/common/vp9_alloccommon.h"
  29 #include "vp9/common/vp9_filter.h"
  30 #include "vp9/common/vp9_idct.h"
  31 #if CONFIG_VP9_POSTPROC
  32 #include "vp9/common/vp9_postproc.h"
  33 #endif
  34 #include "vp9/common/vp9_reconinter.h"
  35 #include "vp9/common/vp9_reconintra.h"
  36 #include "vp9/common/vp9_tile_common.h"
  37
  38 #include "vp9/encoder/vp9_aq_complexity.h"
  39 #include "vp9/encoder/vp9_aq_cyclicrefresh.h"
  40 #include "vp9/encoder/vp9_aq_variance.h"
  41 #include "vp9/encoder/vp9_bitstream.h"
  42 #include "vp9/encoder/vp9_context_tree.h"
  43 #include "vp9/encoder/vp9_encodeframe.h"
  44 #include "vp9/encoder/vp9_encodemv.h"
  45 #include "vp9/encoder/vp9_encoder.h"
  46 #include "vp9/encoder/vp9_ethread.h"
  47 #include "vp9/encoder/vp9_firstpass.h"
  48 #include "vp9/encoder/vp9_mbgraph.h"
  49 #include "vp9/encoder/vp9_picklpf.h"
  50 #include "vp9/encoder/vp9_ratectrl.h"
  51 #include "vp9/encoder/vp9_rd.h"
  52 #include "vp9/encoder/vp9_resize.h"
  53 #include "vp9/encoder/vp9_segmentation.h"
  54 #include "vp9/encoder/vp9_skin_detection.h"
  55 #include "vp9/encoder/vp9_speed_features.h"
  56 #include "vp9/encoder/vp9_svc_layercontext.h"
  57 #include "vp9/encoder/vp9_temporal_filter.h"
  58
  59 #define AM_SEGMENT_ID_INACTIVE 7
  60 #define AM_SEGMENT_ID_ACTIVE 0
  61
  62 #define SHARP_FILTER_QTHRESH 0          /* Q threshold for 8-tap sharp filter */
  63
  64 #define ALTREF_HIGH_PRECISION_MV 1      // Whether to use high precision mv
  65                                          //  for altref computation.
  66 #define HIGH_PRECISION_MV_QTHRESH 200   // Q threshold for high precision
  67                                          // mv. Choose a very high value for
  68                                          // now so that HIGH_PRECISION is always
  69                                          // chosen.
  70 // #define OUTPUT_YUV_REC
  71
  72 #ifdef OUTPUT_YUV_DENOISED
  73 FILE *yuv_denoised_file = NULL;
  74 #endif
  75 #ifdef OUTPUT_YUV_SKINMAP
  76 FILE *yuv_skinmap_file = NULL;
  77 #endif
  78 #ifdef OUTPUT_YUV_REC
  79 FILE *yuv_rec_file;
  80 #endif
  81
  82 #if 0
  83 FILE *framepsnr;
  84 FILE *kf_list;
  85 FILE *keyfile;
  86 #endif
  87
  88 static INLINE void Scale2Ratio(VPX_SCALING mode, int *hr, int *hs) {
  89   switch (mode) {
  90     case NORMAL:
  91       *hr = 1;
  92       *hs = 1;
  93       break;
  94     case FOURFIVE:
  95       *hr = 4;
  96       *hs = 5;
  97       break;
  98     case THREEFIVE:
  99       *hr = 3;
 100       *hs = 5;
 101     break;
 102     case ONETWO:
 103       *hr = 1;
 104       *hs = 2;
 105     break;
 106     default:
 107       *hr = 1;
 108       *hs = 1;
 109        assert(0);
 110       break;
 111   }
 112 }
 113
 114 // Mark all inactive blocks as active. Other segmentation features may be set
 115 // so memset cannot be used, instead only inactive blocks should be reset.
 116 static void suppress_active_map(VP9_COMP *cpi) {
 117   unsigned char *const seg_map = cpi->segmentation_map;
 118   int i;
 119   if (cpi->active_map.enabled || cpi->active_map.update)
 120     for (i = 0; i < cpi->common.mi_rows * cpi->common.mi_cols; ++i)
 121       if (seg_map[i] == AM_SEGMENT_ID_INACTIVE)
 122         seg_map[i] = AM_SEGMENT_ID_ACTIVE;
 123 }
 124
 125 static void apply_active_map(VP9_COMP *cpi) {
 126   struct segmentation *const seg = &cpi->common.seg;
 127   unsigned char *const seg_map = cpi->segmentation_map;
 128   const unsigned char *const active_map = cpi->active_map.map;
 129   int i;
 130
 131   assert(AM_SEGMENT_ID_ACTIVE == CR_SEGMENT_ID_BASE);
 132
 133   if (frame_is_intra_only(&cpi->common)) {
 134     cpi->active_map.enabled = 0;
 135     cpi->active_map.update = 1;
 136   }
 137
 138   if (cpi->active_map.update) {
 139     if (cpi->active_map.enabled) {
 140       for (i = 0; i < cpi->common.mi_rows * cpi->common.mi_cols; ++i)
 141         if (seg_map[i] == AM_SEGMENT_ID_ACTIVE) seg_map[i] = active_map[i];
 142       vp9_enable_segmentation(seg);
 143       vp9_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
 144       vp9_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF);
 145       // Setting the data to -MAX_LOOP_FILTER will result in the computed loop
 146       // filter level being zero regardless of the value of seg->abs_delta.
 147       vp9_set_segdata(seg, AM_SEGMENT_ID_INACTIVE,
 148                       SEG_LVL_ALT_LF, -MAX_LOOP_FILTER);
 149     } else {
 150       vp9_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
 151       vp9_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF);
 152       if (seg->enabled) {
 153         seg->update_data = 1;
 154         seg->update_map = 1;
 155       }
 156     }
 157     cpi->active_map.update = 0;
 158   }
 159 }
 160
 161 int vp9_set_active_map(VP9_COMP* cpi,
 162                        unsigned char* new_map_16x16,
 163                        int rows,
 164                        int cols) {
 165   if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols) {
 166     unsigned char *const active_map_8x8 = cpi->active_map.map;
 167     const int mi_rows = cpi->common.mi_rows;
 168     const int mi_cols = cpi->common.mi_cols;
 169     cpi->active_map.update = 1;
 170     if (new_map_16x16) {
 171       int r, c;
 172       for (r = 0; r < mi_rows; ++r) {
 173         for (c = 0; c < mi_cols; ++c) {
 174           active_map_8x8[r * mi_cols + c] =
 175               new_map_16x16[(r >> 1) * cols + (c >> 1)]
 176                   ? AM_SEGMENT_ID_ACTIVE
 177                   : AM_SEGMENT_ID_INACTIVE;
 178         }
 179       }
 180       cpi->active_map.enabled = 1;
 181     } else {
 182       cpi->active_map.enabled = 0;
 183     }
 184     return 0;
 185   } else {
 186     return -1;
 187   }
 188 }
 189
 190 int vp9_get_active_map(VP9_COMP* cpi,
 191                        unsigned char* new_map_16x16,
 192                        int rows,
 193                        int cols) {
 194   if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols &&
 195       new_map_16x16) {
 196     unsigned char* const seg_map_8x8 = cpi->segmentation_map;
 197     const int mi_rows = cpi->common.mi_rows;
 198     const int mi_cols = cpi->common.mi_cols;
 199     memset(new_map_16x16, !cpi->active_map.enabled, rows * cols);
 200     if (cpi->active_map.enabled) {
 201       int r, c;
 202       for (r = 0; r < mi_rows; ++r) {
 203         for (c = 0; c < mi_cols; ++c) {
 204           // Cyclic refresh segments are considered active despite not having
 205           // AM_SEGMENT_ID_ACTIVE
 206           new_map_16x16[(r >> 1) * cols + (c >> 1)] |=
 207               seg_map_8x8[r * mi_cols + c] != AM_SEGMENT_ID_INACTIVE;
 208         }
 209       }
 210     }
 211     return 0;
 212   } else {
 213     return -1;
 214   }
 215 }
 216
 217 void vp9_set_high_precision_mv(VP9_COMP *cpi, int allow_high_precision_mv) {
 218   MACROBLOCK *const mb = &cpi->td.mb;
 219   cpi->common.allow_high_precision_mv = allow_high_precision_mv;
 220   if (cpi->common.allow_high_precision_mv) {
 221     mb->mvcost = mb->nmvcost_hp;
 222     mb->mvsadcost = mb->nmvsadcost_hp;
 223   } else {
 224     mb->mvcost = mb->nmvcost;
 225     mb->mvsadcost = mb->nmvsadcost;
 226   }
 227 }
 228
 229 static void setup_frame(VP9_COMP *cpi) {
 230   VP9_COMMON *const cm = &cpi->common;
 231   // Set up entropy context depending on frame type. The decoder mandates
 232   // the use of the default context, index 0, for keyframes and inter
 233   // frames where the error_resilient_mode or intra_only flag is set. For
 234   // other inter-frames the encoder currently uses only two contexts;
 235   // context 1 for ALTREF frames and context 0 for the others.
 236   if (frame_is_intra_only(cm) || cm->error_resilient_mode) {
 237     vp9_setup_past_independence(cm);
 238   } else {
 239     if (!cpi->use_svc)
 240       cm->frame_context_idx = cpi->refresh_alt_ref_frame;
 241   }
 242
 243   if (cm->frame_type == KEY_FRAME) {
 244     if (!is_two_pass_svc(cpi))
 245       cpi->refresh_golden_frame = 1;
 246     cpi->refresh_alt_ref_frame = 1;
 247     vp9_zero(cpi->interp_filter_selected);
 248   } else {
 249     *cm->fc = cm->frame_contexts[cm->frame_context_idx];
 250     vp9_zero(cpi->interp_filter_selected[0]);
 251   }
 252 }
 253
 254 static void vp9_enc_setup_mi(VP9_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 vp9_enc_alloc_mi(VP9_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 vp9_enc_free_mi(VP9_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 vp9_swap_mi_and_prev_mi(VP9_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 vp9_initialize_enc(void) {
 320   static volatile int init_done = 0;
 321
 322   if (!init_done) {
 323     vp9_rtcd();
 324     vpx_dsp_rtcd();
 325     vpx_scale_rtcd();
 326     vp9_init_intra_predictors();
 327     vp9_init_me_luts();
 328     vp9_rc_init_minq_luts();
 329     vp9_entropy_mv_init();
 330     vp9_temporal_filter_init();
 331     init_done = 1;
 332   }
 333 }
 334
 335 static void dealloc_compressor_data(VP9_COMP *cpi) {
 336   VP9_COMMON *const cm = &cpi->common;
 337   int i;
 338
 339   vpx_free(cpi->mbmi_ext_base);
 340   cpi->mbmi_ext_base = NULL;
 341
 342   vpx_free(cpi->tile_data);
 343   cpi->tile_data = NULL;
 344
 345   // Delete sementation map
 346   vpx_free(cpi->segmentation_map);
 347   cpi->segmentation_map = NULL;
 348   vpx_free(cpi->coding_context.last_frame_seg_map_copy);
 349   cpi->coding_context.last_frame_seg_map_copy = NULL;
 350
 351   vpx_free(cpi->nmvcosts[0]);
 352   vpx_free(cpi->nmvcosts[1]);
 353   cpi->nmvcosts[0] = NULL;
 354   cpi->nmvcosts[1] = NULL;
 355
 356   vpx_free(cpi->nmvcosts_hp[0]);
 357   vpx_free(cpi->nmvcosts_hp[1]);
 358   cpi->nmvcosts_hp[0] = NULL;
 359   cpi->nmvcosts_hp[1] = NULL;
 360
 361   vpx_free(cpi->nmvsadcosts[0]);
 362   vpx_free(cpi->nmvsadcosts[1]);
 363   cpi->nmvsadcosts[0] = NULL;
 364   cpi->nmvsadcosts[1] = NULL;
 365
 366   vpx_free(cpi->nmvsadcosts_hp[0]);
 367   vpx_free(cpi->nmvsadcosts_hp[1]);
 368   cpi->nmvsadcosts_hp[0] = NULL;
 369   cpi->nmvsadcosts_hp[1] = NULL;
 370
 371   vp9_cyclic_refresh_free(cpi->cyclic_refresh);
 372   cpi->cyclic_refresh = NULL;
 373
 374   vpx_free(cpi->active_map.map);
 375   cpi->active_map.map = NULL;
 376
 377   vp9_free_ref_frame_buffers(cm->buffer_pool);
 378 #if CONFIG_VP9_POSTPROC
 379   vp9_free_postproc_buffers(cm);
 380 #endif
 381   vp9_free_context_buffers(cm);
 382
 383   vpx_free_frame_buffer(&cpi->last_frame_uf);
 384   vpx_free_frame_buffer(&cpi->scaled_source);
 385   vpx_free_frame_buffer(&cpi->scaled_last_source);
 386   vpx_free_frame_buffer(&cpi->alt_ref_buffer);
 387   vp9_lookahead_destroy(cpi->lookahead);
 388
 389   vpx_free(cpi->tile_tok[0][0]);
 390   cpi->tile_tok[0][0] = 0;
 391
 392   vp9_free_pc_tree(&cpi->td);
 393
 394   for (i = 0; i < cpi->svc.number_spatial_layers; ++i) {
 395     LAYER_CONTEXT *const lc = &cpi->svc.layer_context[i];
 396     vpx_free(lc->rc_twopass_stats_in.buf);
 397     lc->rc_twopass_stats_in.buf = NULL;
 398     lc->rc_twopass_stats_in.sz = 0;
 399   }
 400
 401   if (cpi->source_diff_var != NULL) {
 402     vpx_free(cpi->source_diff_var);
 403     cpi->source_diff_var = NULL;
 404   }
 405
 406   for (i = 0; i < MAX_LAG_BUFFERS; ++i) {
 407     vpx_free_frame_buffer(&cpi->svc.scaled_frames[i]);
 408   }
 409   memset(&cpi->svc.scaled_frames[0], 0,
 410          MAX_LAG_BUFFERS * sizeof(cpi->svc.scaled_frames[0]));
 411
 412   vpx_free_frame_buffer(&cpi->svc.empty_frame.img);
 413   memset(&cpi->svc.empty_frame, 0, sizeof(cpi->svc.empty_frame));
 414 }
 415
 416 static void save_coding_context(VP9_COMP *cpi) {
 417   CODING_CONTEXT *const cc = &cpi->coding_context;
 418   VP9_COMMON *cm = &cpi->common;
 419
 420   // Stores a snapshot of key state variables which can subsequently be
 421   // restored with a call to vp9_restore_coding_context. These functions are
 422   // intended for use in a re-code loop in vp9_compress_frame where the
 423   // quantizer value is adjusted between loop iterations.
 424   vp9_copy(cc->nmvjointcost,  cpi->td.mb.nmvjointcost);
 425
 426   memcpy(cc->nmvcosts[0], cpi->nmvcosts[0],
 427          MV_VALS * sizeof(*cpi->nmvcosts[0]));
 428   memcpy(cc->nmvcosts[1], cpi->nmvcosts[1],
 429          MV_VALS * sizeof(*cpi->nmvcosts[1]));
 430   memcpy(cc->nmvcosts_hp[0], cpi->nmvcosts_hp[0],
 431          MV_VALS * sizeof(*cpi->nmvcosts_hp[0]));
 432   memcpy(cc->nmvcosts_hp[1], cpi->nmvcosts_hp[1],
 433          MV_VALS * sizeof(*cpi->nmvcosts_hp[1]));
 434
 435   vp9_copy(cc->segment_pred_probs, cm->seg.pred_probs);
 436
 437   memcpy(cpi->coding_context.last_frame_seg_map_copy,
 438          cm->last_frame_seg_map, (cm->mi_rows * cm->mi_cols));
 439
 440   vp9_copy(cc->last_ref_lf_deltas, cm->lf.last_ref_deltas);
 441   vp9_copy(cc->last_mode_lf_deltas, cm->lf.last_mode_deltas);
 442
 443   cc->fc = *cm->fc;
 444 }
 445
 446 static void restore_coding_context(VP9_COMP *cpi) {
 447   CODING_CONTEXT *const cc = &cpi->coding_context;
 448   VP9_COMMON *cm = &cpi->common;
 449
 450   // Restore key state variables to the snapshot state stored in the
 451   // previous call to vp9_save_coding_context.
 452   vp9_copy(cpi->td.mb.nmvjointcost, cc->nmvjointcost);
 453
 454   memcpy(cpi->nmvcosts[0], cc->nmvcosts[0], MV_VALS * sizeof(*cc->nmvcosts[0]));
 455   memcpy(cpi->nmvcosts[1], cc->nmvcosts[1], MV_VALS * sizeof(*cc->nmvcosts[1]));
 456   memcpy(cpi->nmvcosts_hp[0], cc->nmvcosts_hp[0],
 457          MV_VALS * sizeof(*cc->nmvcosts_hp[0]));
 458   memcpy(cpi->nmvcosts_hp[1], cc->nmvcosts_hp[1],
 459          MV_VALS * sizeof(*cc->nmvcosts_hp[1]));
 460
 461   vp9_copy(cm->seg.pred_probs, cc->segment_pred_probs);
 462
 463   memcpy(cm->last_frame_seg_map,
 464          cpi->coding_context.last_frame_seg_map_copy,
 465          (cm->mi_rows * cm->mi_cols));
 466
 467   vp9_copy(cm->lf.last_ref_deltas, cc->last_ref_lf_deltas);
 468   vp9_copy(cm->lf.last_mode_deltas, cc->last_mode_lf_deltas);
 469
 470   *cm->fc = cc->fc;
 471 }
 472
 473 static void configure_static_seg_features(VP9_COMP *cpi) {
 474   VP9_COMMON *const cm = &cpi->common;
 475   const RATE_CONTROL *const rc = &cpi->rc;
 476   struct segmentation *const seg = &cm->seg;
 477
 478   int high_q = (int)(rc->avg_q > 48.0);
 479   int qi_delta;
 480
 481   // Disable and clear down for KF
 482   if (cm->frame_type == KEY_FRAME) {
 483     // Clear down the global segmentation map
 484     memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
 485     seg->update_map = 0;
 486     seg->update_data = 0;
 487     cpi->static_mb_pct = 0;
 488
 489     // Disable segmentation
 490     vp9_disable_segmentation(seg);
 491
 492     // Clear down the segment features.
 493     vp9_clearall_segfeatures(seg);
 494   } else if (cpi->refresh_alt_ref_frame) {
 495     // If this is an alt ref frame
 496     // Clear down the global segmentation map
 497     memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
 498     seg->update_map = 0;
 499     seg->update_data = 0;
 500     cpi->static_mb_pct = 0;
 501
 502     // Disable segmentation and individual segment features by default
 503     vp9_disable_segmentation(seg);
 504     vp9_clearall_segfeatures(seg);
 505
 506     // Scan frames from current to arf frame.
 507     // This function re-enables segmentation if appropriate.
 508     vp9_update_mbgraph_stats(cpi);
 509
 510     // If segmentation was enabled set those features needed for the
 511     // arf itself.
 512     if (seg->enabled) {
 513       seg->update_map = 1;
 514       seg->update_data = 1;
 515
 516       qi_delta = vp9_compute_qdelta(rc, rc->avg_q, rc->avg_q * 0.875,
 517                                     cm->bit_depth);
 518       vp9_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta - 2);
 519       vp9_set_segdata(seg, 1, SEG_LVL_ALT_LF, -2);
 520
 521       vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
 522       vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_LF);
 523
 524       // Where relevant assume segment data is delta data
 525       seg->abs_delta = SEGMENT_DELTADATA;
 526     }
 527   } else if (seg->enabled) {
 528     // All other frames if segmentation has been enabled
 529
 530     // First normal frame in a valid gf or alt ref group
 531     if (rc->frames_since_golden == 0) {
 532       // Set up segment features for normal frames in an arf group
 533       if (rc->source_alt_ref_active) {
 534         seg->update_map = 0;
 535         seg->update_data = 1;
 536         seg->abs_delta = SEGMENT_DELTADATA;
 537
 538         qi_delta = vp9_compute_qdelta(rc, rc->avg_q, rc->avg_q * 1.125,
 539                                       cm->bit_depth);
 540         vp9_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta + 2);
 541         vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
 542
 543         vp9_set_segdata(seg, 1, SEG_LVL_ALT_LF, -2);
 544         vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_LF);
 545
 546         // Segment coding disabled for compred testing
 547         if (high_q || (cpi->static_mb_pct == 100)) {
 548           vp9_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
 549           vp9_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME);
 550           vp9_enable_segfeature(seg, 1, SEG_LVL_SKIP);
 551         }
 552       } else {
 553         // Disable segmentation and clear down features if alt ref
 554         // is not active for this group
 555
 556         vp9_disable_segmentation(seg);
 557
 558         memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
 559
 560         seg->update_map = 0;
 561         seg->update_data = 0;
 562
 563         vp9_clearall_segfeatures(seg);
 564       }
 565     } else if (rc->is_src_frame_alt_ref) {
 566       // Special case where we are coding over the top of a previous
 567       // alt ref frame.
 568       // Segment coding disabled for compred testing
 569
 570       // Enable ref frame features for segment 0 as well
 571       vp9_enable_segfeature(seg, 0, SEG_LVL_REF_FRAME);
 572       vp9_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME);
 573
 574       // All mbs should use ALTREF_FRAME
 575       vp9_clear_segdata(seg, 0, SEG_LVL_REF_FRAME);
 576       vp9_set_segdata(seg, 0, SEG_LVL_REF_FRAME, ALTREF_FRAME);
 577       vp9_clear_segdata(seg, 1, SEG_LVL_REF_FRAME);
 578       vp9_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
 579
 580       // Skip all MBs if high Q (0,0 mv and skip coeffs)
 581       if (high_q) {
 582         vp9_enable_segfeature(seg, 0, SEG_LVL_SKIP);
 583         vp9_enable_segfeature(seg, 1, SEG_LVL_SKIP);
 584       }
 585       // Enable data update
 586       seg->update_data = 1;
 587     } else {
 588       // All other frames.
 589
 590       // No updates.. leave things as they are.
 591       seg->update_map = 0;
 592       seg->update_data = 0;
 593     }
 594   }
 595 }
 596
 597 static void update_reference_segmentation_map(VP9_COMP *cpi) {
 598   VP9_COMMON *const cm = &cpi->common;
 599   MODE_INFO **mi_8x8_ptr = cm->mi_grid_visible;
 600   uint8_t *cache_ptr = cm->last_frame_seg_map;
 601   int row, col;
 602
 603   for (row = 0; row < cm->mi_rows; row++) {
 604     MODE_INFO **mi_8x8 = mi_8x8_ptr;
 605     uint8_t *cache = cache_ptr;
 606     for (col = 0; col < cm->mi_cols; col++, mi_8x8++, cache++)
 607       cache[0] = mi_8x8[0]->mbmi.segment_id;
 608     mi_8x8_ptr += cm->mi_stride;
 609     cache_ptr += cm->mi_cols;
 610   }
 611 }
 612
 613 static void alloc_raw_frame_buffers(VP9_COMP *cpi) {
 614   VP9_COMMON *cm = &cpi->common;
 615   const VP9EncoderConfig *oxcf = &cpi->oxcf;
 616
 617   if (!cpi->lookahead)
 618     cpi->lookahead = vp9_lookahead_init(oxcf->width, oxcf->height,
 619                                         cm->subsampling_x, cm->subsampling_y,
 620 #if CONFIG_VP9_HIGHBITDEPTH
 621                                       cm->use_highbitdepth,
 622 #endif
 623                                       oxcf->lag_in_frames);
 624   if (!cpi->lookahead)
 625     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 626                        "Failed to allocate lag buffers");
 627
 628   // TODO(agrange) Check if ARF is enabled and skip allocation if not.
 629   if (vpx_realloc_frame_buffer(&cpi->alt_ref_buffer,
 630                                oxcf->width, oxcf->height,
 631                                cm->subsampling_x, cm->subsampling_y,
 632 #if CONFIG_VP9_HIGHBITDEPTH
 633                                cm->use_highbitdepth,
 634 #endif
 635                                VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
 636                                NULL, NULL, NULL))
 637     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 638                        "Failed to allocate altref buffer");
 639 }
 640
 641 static void alloc_util_frame_buffers(VP9_COMP *cpi) {
 642   VP9_COMMON *const cm = &cpi->common;
 643   if (vpx_realloc_frame_buffer(&cpi->last_frame_uf,
 644                                cm->width, cm->height,
 645                                cm->subsampling_x, cm->subsampling_y,
 646 #if CONFIG_VP9_HIGHBITDEPTH
 647                                cm->use_highbitdepth,
 648 #endif
 649                                VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
 650                                NULL, NULL, NULL))
 651     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 652                        "Failed to allocate last frame buffer");
 653
 654   if (vpx_realloc_frame_buffer(&cpi->scaled_source,
 655                                cm->width, cm->height,
 656                                cm->subsampling_x, cm->subsampling_y,
 657 #if CONFIG_VP9_HIGHBITDEPTH
 658                                cm->use_highbitdepth,
 659 #endif
 660                                VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
 661                                NULL, NULL, NULL))
 662     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 663                        "Failed to allocate scaled source buffer");
 664
 665   if (vpx_realloc_frame_buffer(&cpi->scaled_last_source,
 666                                cm->width, cm->height,
 667                                cm->subsampling_x, cm->subsampling_y,
 668 #if CONFIG_VP9_HIGHBITDEPTH
 669                                cm->use_highbitdepth,
 670 #endif
 671                                VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
 672                                NULL, NULL, NULL))
 673     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 674                        "Failed to allocate scaled last source buffer");
 675 }
 676
 677
 678 static int alloc_context_buffers_ext(VP9_COMP *cpi) {
 679   VP9_COMMON *cm = &cpi->common;
 680   int mi_size = cm->mi_cols * cm->mi_rows;
 681
 682   cpi->mbmi_ext_base = vpx_calloc(mi_size, sizeof(*cpi->mbmi_ext_base));
 683   if (!cpi->mbmi_ext_base)
 684     return 1;
 685
 686   return 0;
 687 }
 688
 689 void vp9_alloc_compressor_data(VP9_COMP *cpi) {
 690   VP9_COMMON *cm = &cpi->common;
 691
 692   vp9_alloc_context_buffers(cm, cm->width, cm->height);
 693
 694   alloc_context_buffers_ext(cpi);
 695
 696   vpx_free(cpi->tile_tok[0][0]);
 697
 698   {
 699     unsigned int tokens = get_token_alloc(cm->mb_rows, cm->mb_cols);
 700     CHECK_MEM_ERROR(cm, cpi->tile_tok[0][0],
 701         vpx_calloc(tokens, sizeof(*cpi->tile_tok[0][0])));
 702   }
 703
 704   vp9_setup_pc_tree(&cpi->common, &cpi->td);
 705 }
 706
 707 void vp9_new_framerate(VP9_COMP *cpi, double framerate) {
 708   cpi->framerate = framerate < 0.1 ? 30 : framerate;
 709   vp9_rc_update_framerate(cpi);
 710 }
 711
 712 static void set_tile_limits(VP9_COMP *cpi) {
 713   VP9_COMMON *const cm = &cpi->common;
 714
 715   int min_log2_tile_cols, max_log2_tile_cols;
 716   vp9_get_tile_n_bits(cm->mi_cols, &min_log2_tile_cols, &max_log2_tile_cols);
 717
 718   if (is_two_pass_svc(cpi) &&
 719       (cpi->svc.encode_empty_frame_state == ENCODING ||
 720       cpi->svc.number_spatial_layers > 1)) {
 721     cm->log2_tile_cols = 0;
 722     cm->log2_tile_rows = 0;
 723   } else {
 724     cm->log2_tile_cols = clamp(cpi->oxcf.tile_columns,
 725                                min_log2_tile_cols, max_log2_tile_cols);
 726     cm->log2_tile_rows = cpi->oxcf.tile_rows;
 727   }
 728 }
 729
 730 static void update_frame_size(VP9_COMP *cpi) {
 731   VP9_COMMON *const cm = &cpi->common;
 732   MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
 733
 734   vp9_set_mb_mi(cm, cm->width, cm->height);
 735   vp9_init_context_buffers(cm);
 736   vp9_init_macroblockd(cm, xd, NULL);
 737   cpi->td.mb.mbmi_ext_base = cpi->mbmi_ext_base;
 738   memset(cpi->mbmi_ext_base, 0,
 739          cm->mi_rows * cm->mi_cols * sizeof(*cpi->mbmi_ext_base));
 740
 741   set_tile_limits(cpi);
 742
 743   if (is_two_pass_svc(cpi)) {
 744     if (vpx_realloc_frame_buffer(&cpi->alt_ref_buffer,
 745                                  cm->width, cm->height,
 746                                  cm->subsampling_x, cm->subsampling_y,
 747 #if CONFIG_VP9_HIGHBITDEPTH
 748                                  cm->use_highbitdepth,
 749 #endif
 750                                  VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
 751                                  NULL, NULL, NULL))
 752       vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
 753                          "Failed to reallocate alt_ref_buffer");
 754   }
 755 }
 756
 757 static void init_buffer_indices(VP9_COMP *cpi) {
 758   cpi->lst_fb_idx = 0;
 759   cpi->gld_fb_idx = 1;
 760   cpi->alt_fb_idx = 2;
 761 }
 762
 763 static void init_config(struct VP9_COMP *cpi, VP9EncoderConfig *oxcf) {
 764   VP9_COMMON *const cm = &cpi->common;
 765
 766   cpi->oxcf = *oxcf;
 767   cpi->framerate = oxcf->init_framerate;
 768
 769   cm->profile = oxcf->profile;
 770   cm->bit_depth = oxcf->bit_depth;
 771 #if CONFIG_VP9_HIGHBITDEPTH
 772   cm->use_highbitdepth = oxcf->use_highbitdepth;
 773 #endif
 774   cm->color_space = oxcf->color_space;
 775
 776   cm->width = oxcf->width;
 777   cm->height = oxcf->height;
 778   vp9_alloc_compressor_data(cpi);
 779
 780   cpi->svc.temporal_layering_mode = oxcf->temporal_layering_mode;
 781
 782   // Single thread case: use counts in common.
 783   cpi->td.counts = &cm->counts;
 784
 785   // Spatial scalability.
 786   cpi->svc.number_spatial_layers = oxcf->ss_number_layers;
 787   // Temporal scalability.
 788   cpi->svc.number_temporal_layers = oxcf->ts_number_layers;
 789
 790   if ((cpi->svc.number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR) ||
 791       ((cpi->svc.number_temporal_layers > 1 ||
 792         cpi->svc.number_spatial_layers > 1) &&
 793        cpi->oxcf.pass != 1)) {
 794     vp9_init_layer_context(cpi);
 795   }
 796
 797   // change includes all joint functionality
 798   vp9_change_config(cpi, oxcf);
 799
 800   cpi->static_mb_pct = 0;
 801   cpi->ref_frame_flags = 0;
 802
 803   init_buffer_indices(cpi);
 804 }
 805
 806 static void set_rc_buffer_sizes(RATE_CONTROL *rc,
 807                                 const VP9EncoderConfig *oxcf) {
 808   const int64_t bandwidth = oxcf->target_bandwidth;
 809   const int64_t starting = oxcf->starting_buffer_level_ms;
 810   const int64_t optimal = oxcf->optimal_buffer_level_ms;
 811   const int64_t maximum = oxcf->maximum_buffer_size_ms;
 812
 813   rc->starting_buffer_level = starting * bandwidth / 1000;
 814   rc->optimal_buffer_level = (optimal == 0) ? bandwidth / 8
 815                                             : optimal * bandwidth / 1000;
 816   rc->maximum_buffer_size = (maximum == 0) ? bandwidth / 8
 817                                            : maximum * bandwidth / 1000;
 818 }
 819
 820 #if CONFIG_VP9_HIGHBITDEPTH
 821 #define HIGHBD_BFP(BT, SDF, SDAF, VF, SVF, SVAF, SDX3F, SDX8F, SDX4DF) \
 822     cpi->fn_ptr[BT].sdf = SDF; \
 823     cpi->fn_ptr[BT].sdaf = SDAF; \
 824     cpi->fn_ptr[BT].vf = VF; \
 825     cpi->fn_ptr[BT].svf = SVF; \
 826     cpi->fn_ptr[BT].svaf = SVAF; \
 827     cpi->fn_ptr[BT].sdx3f = SDX3F; \
 828     cpi->fn_ptr[BT].sdx8f = SDX8F; \
 829     cpi->fn_ptr[BT].sdx4df = SDX4DF;
 830
 831 #define MAKE_BFP_SAD_WRAPPER(fnname) \
 832 static unsigned int fnname##_bits8(const uint8_t *src_ptr, \
 833                                    int source_stride, \
 834                                    const uint8_t *ref_ptr, \
 835                                    int ref_stride) {  \
 836   return fnname(src_ptr, source_stride, ref_ptr, ref_stride); \
 837 } \
 838 static unsigned int fnname##_bits10(const uint8_t *src_ptr, \
 839                                     int source_stride, \
 840                                     const uint8_t *ref_ptr, \
 841                                     int ref_stride) {  \
 842   return fnname(src_ptr, source_stride, ref_ptr, ref_stride) >> 2; \
 843 } \
 844 static unsigned int fnname##_bits12(const uint8_t *src_ptr, \
 845                                     int source_stride, \
 846                                     const uint8_t *ref_ptr, \
 847                                     int ref_stride) {  \
 848   return fnname(src_ptr, source_stride, ref_ptr, ref_stride) >> 4; \
 849 }
 850
 851 #define MAKE_BFP_SADAVG_WRAPPER(fnname) static unsigned int \
 852 fnname##_bits8(const uint8_t *src_ptr, \
 853                int source_stride, \
 854                const uint8_t *ref_ptr, \
 855                int ref_stride, \
 856                const uint8_t *second_pred) {  \
 857   return fnname(src_ptr, source_stride, ref_ptr, ref_stride, second_pred); \
 858 } \
 859 static unsigned int fnname##_bits10(const uint8_t *src_ptr, \
 860                                     int source_stride, \
 861                                     const uint8_t *ref_ptr, \
 862                                     int ref_stride, \
 863                                     const uint8_t *second_pred) {  \
 864   return fnname(src_ptr, source_stride, ref_ptr, ref_stride, \
 865                 second_pred) >> 2; \
 866 } \
 867 static unsigned int fnname##_bits12(const uint8_t *src_ptr, \
 868                                     int source_stride, \
 869                                     const uint8_t *ref_ptr, \
 870                                     int ref_stride, \
 871                                     const uint8_t *second_pred) {  \
 872   return fnname(src_ptr, source_stride, ref_ptr, ref_stride, \
 873                 second_pred) >> 4; \
 874 }
 875
 876 #define MAKE_BFP_SAD3_WRAPPER(fnname) \
 877 static void fnname##_bits8(const uint8_t *src_ptr, \
 878                            int source_stride, \
 879                            const uint8_t *ref_ptr, \
 880                            int  ref_stride, \
 881                            unsigned int *sad_array) {  \
 882   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 883 } \
 884 static void fnname##_bits10(const uint8_t *src_ptr, \
 885                             int source_stride, \
 886                             const uint8_t *ref_ptr, \
 887                             int  ref_stride, \
 888                             unsigned int *sad_array) {  \
 889   int i; \
 890   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 891   for (i = 0; i < 3; i++) \
 892     sad_array[i] >>= 2; \
 893 } \
 894 static void fnname##_bits12(const uint8_t *src_ptr, \
 895                             int source_stride, \
 896                             const uint8_t *ref_ptr, \
 897                             int  ref_stride, \
 898                             unsigned int *sad_array) {  \
 899   int i; \
 900   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 901   for (i = 0; i < 3; i++) \
 902     sad_array[i] >>= 4; \
 903 }
 904
 905 #define MAKE_BFP_SAD8_WRAPPER(fnname) \
 906 static void fnname##_bits8(const uint8_t *src_ptr, \
 907                            int source_stride, \
 908                            const uint8_t *ref_ptr, \
 909                            int  ref_stride, \
 910                            unsigned int *sad_array) {  \
 911   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 912 } \
 913 static void fnname##_bits10(const uint8_t *src_ptr, \
 914                             int source_stride, \
 915                             const uint8_t *ref_ptr, \
 916                             int  ref_stride, \
 917                             unsigned int *sad_array) {  \
 918   int i; \
 919   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 920   for (i = 0; i < 8; i++) \
 921     sad_array[i] >>= 2; \
 922 } \
 923 static void fnname##_bits12(const uint8_t *src_ptr, \
 924                             int source_stride, \
 925                             const uint8_t *ref_ptr, \
 926                             int  ref_stride, \
 927                             unsigned int *sad_array) {  \
 928   int i; \
 929   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 930   for (i = 0; i < 8; i++) \
 931     sad_array[i] >>= 4; \
 932 }
 933 #define MAKE_BFP_SAD4D_WRAPPER(fnname) \
 934 static void fnname##_bits8(const uint8_t *src_ptr, \
 935                            int source_stride, \
 936                            const uint8_t* const ref_ptr[], \
 937                            int  ref_stride, \
 938                            unsigned int *sad_array) {  \
 939   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 940 } \
 941 static void fnname##_bits10(const uint8_t *src_ptr, \
 942                             int source_stride, \
 943                             const uint8_t* const ref_ptr[], \
 944                             int  ref_stride, \
 945                             unsigned int *sad_array) {  \
 946   int i; \
 947   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 948   for (i = 0; i < 4; i++) \
 949   sad_array[i] >>= 2; \
 950 } \
 951 static void fnname##_bits12(const uint8_t *src_ptr, \
 952                             int source_stride, \
 953                             const uint8_t* const ref_ptr[], \
 954                             int  ref_stride, \
 955                             unsigned int *sad_array) {  \
 956   int i; \
 957   fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
 958   for (i = 0; i < 4; i++) \
 959   sad_array[i] >>= 4; \
 960 }
 961
 962 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad32x16)
 963 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad32x16_avg)
 964 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad32x16x4d)
 965 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad16x32)
 966 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad16x32_avg)
 967 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad16x32x4d)
 968 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad64x32)
 969 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad64x32_avg)
 970 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad64x32x4d)
 971 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad32x64)
 972 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad32x64_avg)
 973 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad32x64x4d)
 974 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad32x32)
 975 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad32x32_avg)
 976 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad32x32x3)
 977 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad32x32x8)
 978 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad32x32x4d)
 979 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad64x64)
 980 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad64x64_avg)
 981 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad64x64x3)
 982 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad64x64x8)
 983 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad64x64x4d)
 984 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad16x16)
 985 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad16x16_avg)
 986 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad16x16x3)
 987 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad16x16x8)
 988 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad16x16x4d)
 989 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad16x8)
 990 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad16x8_avg)
 991 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad16x8x3)
 992 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad16x8x8)
 993 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad16x8x4d)
 994 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad8x16)
 995 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad8x16_avg)
 996 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad8x16x3)
 997 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad8x16x8)
 998 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad8x16x4d)
 999 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad8x8)
1000 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad8x8_avg)
1001 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad8x8x3)
1002 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad8x8x8)
1003 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad8x8x4d)
1004 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad8x4)
1005 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad8x4_avg)
1006 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad8x4x8)
1007 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad8x4x4d)
1008 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad4x8)
1009 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad4x8_avg)
1010 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad4x8x8)
1011 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad4x8x4d)
1012 MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad4x4)
1013 MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad4x4_avg)
1014 MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad4x4x3)
1015 MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad4x4x8)
1016 MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad4x4x4d)
1017
1018 static void  highbd_set_var_fns(VP9_COMP *const cpi) {
1019   VP9_COMMON *const cm = &cpi->common;
1020   if (cm->use_highbitdepth) {
1021     switch (cm->bit_depth) {
1022       case VPX_BITS_8:
1023         HIGHBD_BFP(BLOCK_32X16,
1024                    vpx_highbd_sad32x16_bits8,
1025                    vpx_highbd_sad32x16_avg_bits8,
1026                    vpx_highbd_8_variance32x16,
1027                    vpx_highbd_8_sub_pixel_variance32x16,
1028                    vpx_highbd_8_sub_pixel_avg_variance32x16,
1029                    NULL,
1030                    NULL,
1031                    vpx_highbd_sad32x16x4d_bits8)
1032
1033         HIGHBD_BFP(BLOCK_16X32,
1034                    vpx_highbd_sad16x32_bits8,
1035                    vpx_highbd_sad16x32_avg_bits8,
1036                    vpx_highbd_8_variance16x32,
1037                    vpx_highbd_8_sub_pixel_variance16x32,
1038                    vpx_highbd_8_sub_pixel_avg_variance16x32,
1039                    NULL,
1040                    NULL,
1041                    vpx_highbd_sad16x32x4d_bits8)
1042
1043         HIGHBD_BFP(BLOCK_64X32,
1044                    vpx_highbd_sad64x32_bits8,
1045                    vpx_highbd_sad64x32_avg_bits8,
1046                    vpx_highbd_8_variance64x32,
1047                    vpx_highbd_8_sub_pixel_variance64x32,
1048                    vpx_highbd_8_sub_pixel_avg_variance64x32,
1049                    NULL,
1050                    NULL,
1051                    vpx_highbd_sad64x32x4d_bits8)
1052
1053         HIGHBD_BFP(BLOCK_32X64,
1054                    vpx_highbd_sad32x64_bits8,
1055                    vpx_highbd_sad32x64_avg_bits8,
1056                    vpx_highbd_8_variance32x64,
1057                    vpx_highbd_8_sub_pixel_variance32x64,
1058                    vpx_highbd_8_sub_pixel_avg_variance32x64,
1059                    NULL,
1060                    NULL,
1061                    vpx_highbd_sad32x64x4d_bits8)
1062
1063         HIGHBD_BFP(BLOCK_32X32,
1064                    vpx_highbd_sad32x32_bits8,
1065                    vpx_highbd_sad32x32_avg_bits8,
1066                    vpx_highbd_8_variance32x32,
1067                    vpx_highbd_8_sub_pixel_variance32x32,
1068                    vpx_highbd_8_sub_pixel_avg_variance32x32,
1069                    vpx_highbd_sad32x32x3_bits8,
1070                    vpx_highbd_sad32x32x8_bits8,
1071                    vpx_highbd_sad32x32x4d_bits8)
1072
1073         HIGHBD_BFP(BLOCK_64X64,
1074                    vpx_highbd_sad64x64_bits8,
1075                    vpx_highbd_sad64x64_avg_bits8,
1076                    vpx_highbd_8_variance64x64,
1077                    vpx_highbd_8_sub_pixel_variance64x64,
1078                    vpx_highbd_8_sub_pixel_avg_variance64x64,
1079                    vpx_highbd_sad64x64x3_bits8,
1080                    vpx_highbd_sad64x64x8_bits8,
1081                    vpx_highbd_sad64x64x4d_bits8)
1082
1083         HIGHBD_BFP(BLOCK_16X16,
1084                    vpx_highbd_sad16x16_bits8,
1085                    vpx_highbd_sad16x16_avg_bits8,
1086                    vpx_highbd_8_variance16x16,
1087                    vpx_highbd_8_sub_pixel_variance16x16,
1088                    vpx_highbd_8_sub_pixel_avg_variance16x16,
1089                    vpx_highbd_sad16x16x3_bits8,
1090                    vpx_highbd_sad16x16x8_bits8,
1091                    vpx_highbd_sad16x16x4d_bits8)
1092
1093         HIGHBD_BFP(BLOCK_16X8,
1094                    vpx_highbd_sad16x8_bits8,
1095                    vpx_highbd_sad16x8_avg_bits8,
1096                    vpx_highbd_8_variance16x8,
1097                    vpx_highbd_8_sub_pixel_variance16x8,
1098                    vpx_highbd_8_sub_pixel_avg_variance16x8,
1099                    vpx_highbd_sad16x8x3_bits8,
1100                    vpx_highbd_sad16x8x8_bits8,
1101                    vpx_highbd_sad16x8x4d_bits8)
1102
1103         HIGHBD_BFP(BLOCK_8X16,
1104                    vpx_highbd_sad8x16_bits8,
1105                    vpx_highbd_sad8x16_avg_bits8,
1106                    vpx_highbd_8_variance8x16,
1107                    vpx_highbd_8_sub_pixel_variance8x16,
1108                    vpx_highbd_8_sub_pixel_avg_variance8x16,
1109                    vpx_highbd_sad8x16x3_bits8,
1110                    vpx_highbd_sad8x16x8_bits8,
1111                    vpx_highbd_sad8x16x4d_bits8)
1112
1113         HIGHBD_BFP(BLOCK_8X8,
1114                    vpx_highbd_sad8x8_bits8,
1115                    vpx_highbd_sad8x8_avg_bits8,
1116                    vpx_highbd_8_variance8x8,
1117                    vpx_highbd_8_sub_pixel_variance8x8,
1118                    vpx_highbd_8_sub_pixel_avg_variance8x8,
1119                    vpx_highbd_sad8x8x3_bits8,
1120                    vpx_highbd_sad8x8x8_bits8,
1121                    vpx_highbd_sad8x8x4d_bits8)
1122
1123         HIGHBD_BFP(BLOCK_8X4,
1124                    vpx_highbd_sad8x4_bits8,
1125                    vpx_highbd_sad8x4_avg_bits8,
1126                    vpx_highbd_8_variance8x4,
1127                    vpx_highbd_8_sub_pixel_variance8x4,
1128                    vpx_highbd_8_sub_pixel_avg_variance8x4,
1129                    NULL,
1130                    vpx_highbd_sad8x4x8_bits8,
1131                    vpx_highbd_sad8x4x4d_bits8)
1132
1133         HIGHBD_BFP(BLOCK_4X8,
1134                    vpx_highbd_sad4x8_bits8,
1135                    vpx_highbd_sad4x8_avg_bits8,
1136                    vpx_highbd_8_variance4x8,
1137                    vpx_highbd_8_sub_pixel_variance4x8,
1138                    vpx_highbd_8_sub_pixel_avg_variance4x8,
1139                    NULL,
1140                    vpx_highbd_sad4x8x8_bits8,
1141                    vpx_highbd_sad4x8x4d_bits8)
1142
1143         HIGHBD_BFP(BLOCK_4X4,
1144                    vpx_highbd_sad4x4_bits8,
1145                    vpx_highbd_sad4x4_avg_bits8,
1146                    vpx_highbd_8_variance4x4,
1147                    vpx_highbd_8_sub_pixel_variance4x4,
1148                    vpx_highbd_8_sub_pixel_avg_variance4x4,
1149                    vpx_highbd_sad4x4x3_bits8,
1150                    vpx_highbd_sad4x4x8_bits8,
1151                    vpx_highbd_sad4x4x4d_bits8)
1152         break;
1153
1154       case VPX_BITS_10:
1155         HIGHBD_BFP(BLOCK_32X16,
1156                    vpx_highbd_sad32x16_bits10,
1157                    vpx_highbd_sad32x16_avg_bits10,
1158                    vpx_highbd_10_variance32x16,
1159                    vpx_highbd_10_sub_pixel_variance32x16,
1160                    vpx_highbd_10_sub_pixel_avg_variance32x16,
1161                    NULL,
1162                    NULL,
1163                    vpx_highbd_sad32x16x4d_bits10)
1164
1165         HIGHBD_BFP(BLOCK_16X32,
1166                    vpx_highbd_sad16x32_bits10,
1167                    vpx_highbd_sad16x32_avg_bits10,
1168                    vpx_highbd_10_variance16x32,
1169                    vpx_highbd_10_sub_pixel_variance16x32,
1170                    vpx_highbd_10_sub_pixel_avg_variance16x32,
1171                    NULL,
1172                    NULL,
1173                    vpx_highbd_sad16x32x4d_bits10)
1174
1175         HIGHBD_BFP(BLOCK_64X32,
1176                    vpx_highbd_sad64x32_bits10,
1177                    vpx_highbd_sad64x32_avg_bits10,
1178                    vpx_highbd_10_variance64x32,
1179                    vpx_highbd_10_sub_pixel_variance64x32,
1180                    vpx_highbd_10_sub_pixel_avg_variance64x32,
1181                    NULL,
1182                    NULL,
1183                    vpx_highbd_sad64x32x4d_bits10)
1184
1185         HIGHBD_BFP(BLOCK_32X64,
1186                    vpx_highbd_sad32x64_bits10,
1187                    vpx_highbd_sad32x64_avg_bits10,
1188                    vpx_highbd_10_variance32x64,
1189                    vpx_highbd_10_sub_pixel_variance32x64,
1190                    vpx_highbd_10_sub_pixel_avg_variance32x64,
1191                    NULL,
1192                    NULL,
1193                    vpx_highbd_sad32x64x4d_bits10)
1194
1195         HIGHBD_BFP(BLOCK_32X32,
1196                    vpx_highbd_sad32x32_bits10,
1197                    vpx_highbd_sad32x32_avg_bits10,
1198                    vpx_highbd_10_variance32x32,
1199                    vpx_highbd_10_sub_pixel_variance32x32,
1200                    vpx_highbd_10_sub_pixel_avg_variance32x32,
1201                    vpx_highbd_sad32x32x3_bits10,
1202                    vpx_highbd_sad32x32x8_bits10,
1203                    vpx_highbd_sad32x32x4d_bits10)
1204
1205         HIGHBD_BFP(BLOCK_64X64,
1206                    vpx_highbd_sad64x64_bits10,
1207                    vpx_highbd_sad64x64_avg_bits10,
1208                    vpx_highbd_10_variance64x64,
1209                    vpx_highbd_10_sub_pixel_variance64x64,
1210                    vpx_highbd_10_sub_pixel_avg_variance64x64,
1211                    vpx_highbd_sad64x64x3_bits10,
1212                    vpx_highbd_sad64x64x8_bits10,
1213                    vpx_highbd_sad64x64x4d_bits10)
1214
1215         HIGHBD_BFP(BLOCK_16X16,
1216                    vpx_highbd_sad16x16_bits10,
1217                    vpx_highbd_sad16x16_avg_bits10,
1218                    vpx_highbd_10_variance16x16,
1219                    vpx_highbd_10_sub_pixel_variance16x16,
1220                    vpx_highbd_10_sub_pixel_avg_variance16x16,
1221                    vpx_highbd_sad16x16x3_bits10,
1222                    vpx_highbd_sad16x16x8_bits10,
1223                    vpx_highbd_sad16x16x4d_bits10)
1224
1225         HIGHBD_BFP(BLOCK_16X8,
1226                    vpx_highbd_sad16x8_bits10,
1227                    vpx_highbd_sad16x8_avg_bits10,
1228                    vpx_highbd_10_variance16x8,
1229                    vpx_highbd_10_sub_pixel_variance16x8,
1230                    vpx_highbd_10_sub_pixel_avg_variance16x8,
1231                    vpx_highbd_sad16x8x3_bits10,
1232                    vpx_highbd_sad16x8x8_bits10,
1233                    vpx_highbd_sad16x8x4d_bits10)
1234
1235         HIGHBD_BFP(BLOCK_8X16,
1236                    vpx_highbd_sad8x16_bits10,
1237                    vpx_highbd_sad8x16_avg_bits10,
1238                    vpx_highbd_10_variance8x16,
1239                    vpx_highbd_10_sub_pixel_variance8x16,
1240                    vpx_highbd_10_sub_pixel_avg_variance8x16,
1241                    vpx_highbd_sad8x16x3_bits10,
1242                    vpx_highbd_sad8x16x8_bits10,
1243                    vpx_highbd_sad8x16x4d_bits10)
1244
1245         HIGHBD_BFP(BLOCK_8X8,
1246                    vpx_highbd_sad8x8_bits10,
1247                    vpx_highbd_sad8x8_avg_bits10,
1248                    vpx_highbd_10_variance8x8,
1249                    vpx_highbd_10_sub_pixel_variance8x8,
1250                    vpx_highbd_10_sub_pixel_avg_variance8x8,
1251                    vpx_highbd_sad8x8x3_bits10,
1252                    vpx_highbd_sad8x8x8_bits10,
1253                    vpx_highbd_sad8x8x4d_bits10)
1254
1255         HIGHBD_BFP(BLOCK_8X4,
1256                    vpx_highbd_sad8x4_bits10,
1257                    vpx_highbd_sad8x4_avg_bits10,
1258                    vpx_highbd_10_variance8x4,
1259                    vpx_highbd_10_sub_pixel_variance8x4,
1260                    vpx_highbd_10_sub_pixel_avg_variance8x4,
1261                    NULL,
1262                    vpx_highbd_sad8x4x8_bits10,
1263                    vpx_highbd_sad8x4x4d_bits10)
1264
1265         HIGHBD_BFP(BLOCK_4X8,
1266                    vpx_highbd_sad4x8_bits10,
1267                    vpx_highbd_sad4x8_avg_bits10,
1268                    vpx_highbd_10_variance4x8,
1269                    vpx_highbd_10_sub_pixel_variance4x8,
1270                    vpx_highbd_10_sub_pixel_avg_variance4x8,
1271                    NULL,
1272                    vpx_highbd_sad4x8x8_bits10,
1273                    vpx_highbd_sad4x8x4d_bits10)
1274
1275         HIGHBD_BFP(BLOCK_4X4,
1276                    vpx_highbd_sad4x4_bits10,
1277                    vpx_highbd_sad4x4_avg_bits10,
1278                    vpx_highbd_10_variance4x4,
1279                    vpx_highbd_10_sub_pixel_variance4x4,
1280                    vpx_highbd_10_sub_pixel_avg_variance4x4,
1281                    vpx_highbd_sad4x4x3_bits10,
1282                    vpx_highbd_sad4x4x8_bits10,
1283                    vpx_highbd_sad4x4x4d_bits10)
1284         break;
1285
1286       case VPX_BITS_12:
1287         HIGHBD_BFP(BLOCK_32X16,
1288                    vpx_highbd_sad32x16_bits12,
1289                    vpx_highbd_sad32x16_avg_bits12,
1290                    vpx_highbd_12_variance32x16,
1291                    vpx_highbd_12_sub_pixel_variance32x16,
1292                    vpx_highbd_12_sub_pixel_avg_variance32x16,
1293                    NULL,
1294                    NULL,
1295                    vpx_highbd_sad32x16x4d_bits12)
1296
1297         HIGHBD_BFP(BLOCK_16X32,
1298                    vpx_highbd_sad16x32_bits12,
1299                    vpx_highbd_sad16x32_avg_bits12,
1300                    vpx_highbd_12_variance16x32,
1301                    vpx_highbd_12_sub_pixel_variance16x32,
1302                    vpx_highbd_12_sub_pixel_avg_variance16x32,
1303                    NULL,
1304                    NULL,
1305                    vpx_highbd_sad16x32x4d_bits12)
1306
1307         HIGHBD_BFP(BLOCK_64X32,
1308                    vpx_highbd_sad64x32_bits12,
1309                    vpx_highbd_sad64x32_avg_bits12,
1310                    vpx_highbd_12_variance64x32,
1311                    vpx_highbd_12_sub_pixel_variance64x32,
1312                    vpx_highbd_12_sub_pixel_avg_variance64x32,
1313                    NULL,
1314                    NULL,
1315                    vpx_highbd_sad64x32x4d_bits12)
1316
1317         HIGHBD_BFP(BLOCK_32X64,
1318                    vpx_highbd_sad32x64_bits12,
1319                    vpx_highbd_sad32x64_avg_bits12,
1320                    vpx_highbd_12_variance32x64,
1321                    vpx_highbd_12_sub_pixel_variance32x64,
1322                    vpx_highbd_12_sub_pixel_avg_variance32x64,
1323                    NULL,
1324                    NULL,
1325                    vpx_highbd_sad32x64x4d_bits12)
1326
1327         HIGHBD_BFP(BLOCK_32X32,
1328                    vpx_highbd_sad32x32_bits12,
1329                    vpx_highbd_sad32x32_avg_bits12,
1330                    vpx_highbd_12_variance32x32,
1331                    vpx_highbd_12_sub_pixel_variance32x32,
1332                    vpx_highbd_12_sub_pixel_avg_variance32x32,
1333                    vpx_highbd_sad32x32x3_bits12,
1334                    vpx_highbd_sad32x32x8_bits12,
1335                    vpx_highbd_sad32x32x4d_bits12)
1336
1337         HIGHBD_BFP(BLOCK_64X64,
1338                    vpx_highbd_sad64x64_bits12,
1339                    vpx_highbd_sad64x64_avg_bits12,
1340                    vpx_highbd_12_variance64x64,
1341                    vpx_highbd_12_sub_pixel_variance64x64,
1342                    vpx_highbd_12_sub_pixel_avg_variance64x64,
1343                    vpx_highbd_sad64x64x3_bits12,
1344                    vpx_highbd_sad64x64x8_bits12,
1345                    vpx_highbd_sad64x64x4d_bits12)
1346
1347         HIGHBD_BFP(BLOCK_16X16,
1348                    vpx_highbd_sad16x16_bits12,
1349                    vpx_highbd_sad16x16_avg_bits12,
1350                    vpx_highbd_12_variance16x16,
1351                    vpx_highbd_12_sub_pixel_variance16x16,
1352                    vpx_highbd_12_sub_pixel_avg_variance16x16,
1353                    vpx_highbd_sad16x16x3_bits12,
1354                    vpx_highbd_sad16x16x8_bits12,
1355                    vpx_highbd_sad16x16x4d_bits12)
1356
1357         HIGHBD_BFP(BLOCK_16X8,
1358                    vpx_highbd_sad16x8_bits12,
1359                    vpx_highbd_sad16x8_avg_bits12,
1360                    vpx_highbd_12_variance16x8,
1361                    vpx_highbd_12_sub_pixel_variance16x8,
1362                    vpx_highbd_12_sub_pixel_avg_variance16x8,
1363                    vpx_highbd_sad16x8x3_bits12,
1364                    vpx_highbd_sad16x8x8_bits12,
1365                    vpx_highbd_sad16x8x4d_bits12)
1366
1367         HIGHBD_BFP(BLOCK_8X16,
1368                    vpx_highbd_sad8x16_bits12,
1369                    vpx_highbd_sad8x16_avg_bits12,
1370                    vpx_highbd_12_variance8x16,
1371                    vpx_highbd_12_sub_pixel_variance8x16,
1372                    vpx_highbd_12_sub_pixel_avg_variance8x16,
1373                    vpx_highbd_sad8x16x3_bits12,
1374                    vpx_highbd_sad8x16x8_bits12,
1375                    vpx_highbd_sad8x16x4d_bits12)
1376
1377         HIGHBD_BFP(BLOCK_8X8,
1378                    vpx_highbd_sad8x8_bits12,
1379                    vpx_highbd_sad8x8_avg_bits12,
1380                    vpx_highbd_12_variance8x8,
1381                    vpx_highbd_12_sub_pixel_variance8x8,
1382                    vpx_highbd_12_sub_pixel_avg_variance8x8,
1383                    vpx_highbd_sad8x8x3_bits12,
1384                    vpx_highbd_sad8x8x8_bits12,
1385                    vpx_highbd_sad8x8x4d_bits12)
1386
1387         HIGHBD_BFP(BLOCK_8X4,
1388                    vpx_highbd_sad8x4_bits12,
1389                    vpx_highbd_sad8x4_avg_bits12,
1390                    vpx_highbd_12_variance8x4,
1391                    vpx_highbd_12_sub_pixel_variance8x4,
1392                    vpx_highbd_12_sub_pixel_avg_variance8x4,
1393                    NULL,
1394                    vpx_highbd_sad8x4x8_bits12,
1395                    vpx_highbd_sad8x4x4d_bits12)
1396
1397         HIGHBD_BFP(BLOCK_4X8,
1398                    vpx_highbd_sad4x8_bits12,
1399                    vpx_highbd_sad4x8_avg_bits12,
1400                    vpx_highbd_12_variance4x8,
1401                    vpx_highbd_12_sub_pixel_variance4x8,
1402                    vpx_highbd_12_sub_pixel_avg_variance4x8,
1403                    NULL,
1404                    vpx_highbd_sad4x8x8_bits12,
1405                    vpx_highbd_sad4x8x4d_bits12)
1406
1407         HIGHBD_BFP(BLOCK_4X4,
1408                    vpx_highbd_sad4x4_bits12,
1409                    vpx_highbd_sad4x4_avg_bits12,
1410                    vpx_highbd_12_variance4x4,
1411                    vpx_highbd_12_sub_pixel_variance4x4,
1412                    vpx_highbd_12_sub_pixel_avg_variance4x4,
1413                    vpx_highbd_sad4x4x3_bits12,
1414                    vpx_highbd_sad4x4x8_bits12,
1415                    vpx_highbd_sad4x4x4d_bits12)
1416         break;
1417
1418       default:
1419         assert(0 && "cm->bit_depth should be VPX_BITS_8, "
1420                     "VPX_BITS_10 or VPX_BITS_12");
1421     }
1422   }
1423 }
1424 #endif  // CONFIG_VP9_HIGHBITDEPTH
1425
1426 static void realloc_segmentation_maps(VP9_COMP *cpi) {
1427   VP9_COMMON *const cm = &cpi->common;
1428
1429   // Create the encoder segmentation map and set all entries to 0
1430   vpx_free(cpi->segmentation_map);
1431   CHECK_MEM_ERROR(cm, cpi->segmentation_map,
1432                   vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
1433
1434   // Create a map used for cyclic background refresh.
1435   if (cpi->cyclic_refresh)
1436     vp9_cyclic_refresh_free(cpi->cyclic_refresh);
1437   CHECK_MEM_ERROR(cm, cpi->cyclic_refresh,
1438                   vp9_cyclic_refresh_alloc(cm->mi_rows, cm->mi_cols));
1439
1440   // Create a map used to mark inactive areas.
1441   vpx_free(cpi->active_map.map);
1442   CHECK_MEM_ERROR(cm, cpi->active_map.map,
1443                   vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
1444
1445   // And a place holder structure is the coding context
1446   // for use if we want to save and restore it
1447   vpx_free(cpi->coding_context.last_frame_seg_map_copy);
1448   CHECK_MEM_ERROR(cm, cpi->coding_context.last_frame_seg_map_copy,
1449                   vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
1450 }
1451
1452 void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) {
1453   VP9_COMMON *const cm = &cpi->common;
1454   RATE_CONTROL *const rc = &cpi->rc;
1455
1456   if (cm->profile != oxcf->profile)
1457     cm->profile = oxcf->profile;
1458   cm->bit_depth = oxcf->bit_depth;
1459   cm->color_space = oxcf->color_space;
1460
1461   if (cm->profile <= PROFILE_1)
1462     assert(cm->bit_depth == VPX_BITS_8);
1463   else
1464     assert(cm->bit_depth > VPX_BITS_8);
1465
1466   cpi->oxcf = *oxcf;
1467 #if CONFIG_VP9_HIGHBITDEPTH
1468   cpi->td.mb.e_mbd.bd = (int)cm->bit_depth;
1469 #endif  // CONFIG_VP9_HIGHBITDEPTH
1470
1471   rc->baseline_gf_interval = (MIN_GF_INTERVAL + MAX_GF_INTERVAL) / 2;
1472
1473   cpi->refresh_golden_frame = 0;
1474   cpi->refresh_last_frame = 1;
1475   cm->refresh_frame_context = 1;
1476   cm->reset_frame_context = 0;
1477
1478   vp9_reset_segment_features(&cm->seg);
1479   vp9_set_high_precision_mv(cpi, 0);
1480
1481   {
1482     int i;
1483
1484     for (i = 0; i < MAX_SEGMENTS; i++)
1485       cpi->segment_encode_breakout[i] = cpi->oxcf.encode_breakout;
1486   }
1487   cpi->encode_breakout = cpi->oxcf.encode_breakout;
1488
1489   set_rc_buffer_sizes(rc, &cpi->oxcf);
1490
1491   // Under a configuration change, where maximum_buffer_size may change,
1492   // keep buffer level clipped to the maximum allowed buffer size.
1493   rc->bits_off_target = VPXMIN(rc->bits_off_target, rc->maximum_buffer_size);
1494   rc->buffer_level = VPXMIN(rc->buffer_level, rc->maximum_buffer_size);
1495
1496   // Set up frame rate and related parameters rate control values.
1497   vp9_new_framerate(cpi, cpi->framerate);
1498
1499   // Set absolute upper and lower quality limits
1500   rc->worst_quality = cpi->oxcf.worst_allowed_q;
1501   rc->best_quality = cpi->oxcf.best_allowed_q;
1502
1503   cm->interp_filter = cpi->sf.default_interp_filter;
1504
1505   cm->display_width = cpi->oxcf.width;
1506   cm->display_height = cpi->oxcf.height;
1507   cm->width = cpi->oxcf.width;
1508   cm->height = cpi->oxcf.height;
1509
1510   if (cpi->initial_width) {
1511     if (cm->width > cpi->initial_width || cm->height > cpi->initial_height) {
1512       vp9_free_context_buffers(cm);
1513       vp9_alloc_compressor_data(cpi);
1514       realloc_segmentation_maps(cpi);
1515       cpi->initial_width = cpi->initial_height = 0;
1516     }
1517   }
1518   update_frame_size(cpi);
1519
1520   if ((cpi->svc.number_temporal_layers > 1 &&
1521       cpi->oxcf.rc_mode == VPX_CBR) ||
1522       ((cpi->svc.number_temporal_layers > 1 ||
1523         cpi->svc.number_spatial_layers > 1) &&
1524        cpi->oxcf.pass != 1)) {
1525     vp9_update_layer_context_change_config(cpi,
1526                                            (int)cpi->oxcf.target_bandwidth);
1527   }
1528
1529   cpi->alt_ref_source = NULL;
1530   rc->is_src_frame_alt_ref = 0;
1531
1532 #if 0
1533   // Experimental RD Code
1534   cpi->frame_distortion = 0;
1535   cpi->last_frame_distortion = 0;
1536 #endif
1537
1538   set_tile_limits(cpi);
1539
1540   cpi->ext_refresh_frame_flags_pending = 0;
1541   cpi->ext_refresh_frame_context_pending = 0;
1542
1543 #if CONFIG_VP9_HIGHBITDEPTH
1544   highbd_set_var_fns(cpi);
1545 #endif
1546 }
1547
1548 #ifndef M_LOG2_E
1549 #define M_LOG2_E 0.693147180559945309417
1550 #endif
1551 #define log2f(x) (log (x) / (float) M_LOG2_E)
1552
1553 static void cal_nmvjointsadcost(int *mvjointsadcost) {
1554   mvjointsadcost[0] = 600;
1555   mvjointsadcost[1] = 300;
1556   mvjointsadcost[2] = 300;
1557   mvjointsadcost[3] = 300;
1558 }
1559
1560 static void cal_nmvsadcosts(int *mvsadcost[2]) {
1561   int i = 1;
1562
1563   mvsadcost[0][0] = 0;
1564   mvsadcost[1][0] = 0;
1565
1566   do {
1567     double z = 256 * (2 * (log2f(8 * i) + .6));
1568     mvsadcost[0][i] = (int)z;
1569     mvsadcost[1][i] = (int)z;
1570     mvsadcost[0][-i] = (int)z;
1571     mvsadcost[1][-i] = (int)z;
1572   } while (++i <= MV_MAX);
1573 }
1574
1575 static void cal_nmvsadcosts_hp(int *mvsadcost[2]) {
1576   int i = 1;
1577
1578   mvsadcost[0][0] = 0;
1579   mvsadcost[1][0] = 0;
1580
1581   do {
1582     double z = 256 * (2 * (log2f(8 * i) + .6));
1583     mvsadcost[0][i] = (int)z;
1584     mvsadcost[1][i] = (int)z;
1585     mvsadcost[0][-i] = (int)z;
1586     mvsadcost[1][-i] = (int)z;
1587   } while (++i <= MV_MAX);
1588 }
1589
1590
1591 VP9_COMP *vp9_create_compressor(VP9EncoderConfig *oxcf,
1592                                 BufferPool *const pool) {
1593   unsigned int i;
1594   VP9_COMP *volatile const cpi = vpx_memalign(32, sizeof(VP9_COMP));
1595   VP9_COMMON *volatile const cm = cpi != NULL ? &cpi->common : NULL;
1596
1597   if (!cm)
1598     return NULL;
1599
1600   vp9_zero(*cpi);
1601
1602   if (setjmp(cm->error.jmp)) {
1603     cm->error.setjmp = 0;
1604     vp9_remove_compressor(cpi);
1605     return 0;
1606   }
1607
1608   cm->error.setjmp = 1;
1609   cm->alloc_mi = vp9_enc_alloc_mi;
1610   cm->free_mi = vp9_enc_free_mi;
1611   cm->setup_mi = vp9_enc_setup_mi;
1612
1613   CHECK_MEM_ERROR(cm, cm->fc,
1614                   (FRAME_CONTEXT *)vpx_calloc(1, sizeof(*cm->fc)));
1615   CHECK_MEM_ERROR(cm, cm->frame_contexts,
1616                   (FRAME_CONTEXT *)vpx_calloc(FRAME_CONTEXTS,
1617                   sizeof(*cm->frame_contexts)));
1618
1619   cpi->use_svc = 0;
1620   cpi->resize_state = 0;
1621   cpi->resize_avg_qp = 0;
1622   cpi->resize_buffer_underflow = 0;
1623   cpi->common.buffer_pool = pool;
1624
1625   cpi->rc.high_source_sad = 0;
1626
1627   init_config(cpi, oxcf);
1628   vp9_rc_init(&cpi->oxcf, oxcf->pass, &cpi->rc);
1629
1630   cm->current_video_frame = 0;
1631   cpi->partition_search_skippable_frame = 0;
1632   cpi->tile_data = NULL;
1633
1634   realloc_segmentation_maps(cpi);
1635
1636   CHECK_MEM_ERROR(cm, cpi->nmvcosts[0],
1637                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts[0])));
1638   CHECK_MEM_ERROR(cm, cpi->nmvcosts[1],
1639                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts[1])));
1640   CHECK_MEM_ERROR(cm, cpi->nmvcosts_hp[0],
1641                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts_hp[0])));
1642   CHECK_MEM_ERROR(cm, cpi->nmvcosts_hp[1],
1643                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts_hp[1])));
1644   CHECK_MEM_ERROR(cm, cpi->nmvsadcosts[0],
1645                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts[0])));
1646   CHECK_MEM_ERROR(cm, cpi->nmvsadcosts[1],
1647                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts[1])));
1648   CHECK_MEM_ERROR(cm, cpi->nmvsadcosts_hp[0],
1649                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts_hp[0])));
1650   CHECK_MEM_ERROR(cm, cpi->nmvsadcosts_hp[1],
1651                   vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts_hp[1])));
1652
1653   for (i = 0; i < (sizeof(cpi->mbgraph_stats) /
1654                    sizeof(cpi->mbgraph_stats[0])); i++) {
1655     CHECK_MEM_ERROR(cm, cpi->mbgraph_stats[i].mb_stats,
1656                     vpx_calloc(cm->MBs *
1657                                sizeof(*cpi->mbgraph_stats[i].mb_stats), 1));
1658   }
1659
1660 #if CONFIG_FP_MB_STATS
1661   cpi->use_fp_mb_stats = 0;
1662   if (cpi->use_fp_mb_stats) {
1663     // a place holder used to store the first pass mb stats in the first pass
1664     CHECK_MEM_ERROR(cm, cpi->twopass.frame_mb_stats_buf,
1665                     vpx_calloc(cm->MBs * sizeof(uint8_t), 1));
1666   } else {
1667     cpi->twopass.frame_mb_stats_buf = NULL;
1668   }
1669 #endif
1670
1671   cpi->refresh_alt_ref_frame = 0;
1672   cpi->multi_arf_last_grp_enabled = 0;
1673
1674   cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS;
1675 #if CONFIG_INTERNAL_STATS
1676   cpi->b_calculate_ssimg = 0;
1677   cpi->b_calculate_blockiness = 1;
1678   cpi->b_calculate_consistency = 1;
1679   cpi->total_inconsistency = 0;
1680   cpi->psnr.worst = 100.0;
1681   cpi->worst_ssim = 100.0;
1682
1683   cpi->count = 0;
1684   cpi->bytes = 0;
1685
1686   if (cpi->b_calculate_psnr) {
1687     cpi->total_sq_error = 0;
1688     cpi->total_samples = 0;
1689
1690     cpi->totalp_sq_error = 0;
1691     cpi->totalp_samples = 0;
1692
1693     cpi->tot_recode_hits = 0;
1694     cpi->summed_quality = 0;
1695     cpi->summed_weights = 0;
1696     cpi->summedp_quality = 0;
1697     cpi->summedp_weights = 0;
1698   }
1699
1700   if (cpi->b_calculate_ssimg) {
1701     cpi->ssimg.worst= 100.0;
1702   }
1703   cpi->fastssim.worst = 100.0;
1704
1705   cpi->psnrhvs.worst = 100.0;
1706
1707   if (cpi->b_calculate_blockiness) {
1708     cpi->total_blockiness = 0;
1709     cpi->worst_blockiness = 0.0;
1710   }
1711
1712   if (cpi->b_calculate_consistency) {
1713     cpi->ssim_vars = vpx_malloc(sizeof(*cpi->ssim_vars) *
1714                                 4 * cpi->common.mi_rows * cpi->common.mi_cols);
1715     cpi->worst_consistency = 100.0;
1716   }
1717
1718 #endif
1719
1720   cpi->first_time_stamp_ever = INT64_MAX;
1721
1722   cal_nmvjointsadcost(cpi->td.mb.nmvjointsadcost);
1723   cpi->td.mb.nmvcost[0] = &cpi->nmvcosts[0][MV_MAX];
1724   cpi->td.mb.nmvcost[1] = &cpi->nmvcosts[1][MV_MAX];
1725   cpi->td.mb.nmvsadcost[0] = &cpi->nmvsadcosts[0][MV_MAX];
1726   cpi->td.mb.nmvsadcost[1] = &cpi->nmvsadcosts[1][MV_MAX];
1727   cal_nmvsadcosts(cpi->td.mb.nmvsadcost);
1728
1729   cpi->td.mb.nmvcost_hp[0] = &cpi->nmvcosts_hp[0][MV_MAX];
1730   cpi->td.mb.nmvcost_hp[1] = &cpi->nmvcosts_hp[1][MV_MAX];
1731   cpi->td.mb.nmvsadcost_hp[0] = &cpi->nmvsadcosts_hp[0][MV_MAX];
1732   cpi->td.mb.nmvsadcost_hp[1] = &cpi->nmvsadcosts_hp[1][MV_MAX];
1733   cal_nmvsadcosts_hp(cpi->td.mb.nmvsadcost_hp);
1734
1735 #if CONFIG_VP9_TEMPORAL_DENOISING
1736 #ifdef OUTPUT_YUV_DENOISED
1737   yuv_denoised_file = fopen("denoised.yuv", "ab");
1738 #endif
1739 #endif
1740 #ifdef OUTPUT_YUV_SKINMAP
1741   yuv_skinmap_file = fopen("skinmap.yuv", "ab");
1742 #endif
1743 #ifdef OUTPUT_YUV_REC
1744   yuv_rec_file = fopen("rec.yuv", "wb");
1745 #endif
1746
1747 #if 0
1748   framepsnr = fopen("framepsnr.stt", "a");
1749   kf_list = fopen("kf_list.stt", "w");
1750 #endif
1751
1752   cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
1753
1754   if (oxcf->pass == 1) {
1755     vp9_init_first_pass(cpi);
1756   } else if (oxcf->pass == 2) {
1757     const size_t packet_sz = sizeof(FIRSTPASS_STATS);
1758     const int packets = (int)(oxcf->two_pass_stats_in.sz / packet_sz);
1759
1760     if (cpi->svc.number_spatial_layers > 1
1761         || cpi->svc.number_temporal_layers > 1) {
1762       FIRSTPASS_STATS *const stats = oxcf->two_pass_stats_in.buf;
1763       FIRSTPASS_STATS *stats_copy[VPX_SS_MAX_LAYERS] = {0};
1764       int i;
1765
1766       for (i = 0; i < oxcf->ss_number_layers; ++i) {
1767         FIRSTPASS_STATS *const last_packet_for_layer =
1768             &stats[packets - oxcf->ss_number_layers + i];
1769         const int layer_id = (int)last_packet_for_layer->spatial_layer_id;
1770         const int packets_in_layer = (int)last_packet_for_layer->count + 1;
1771         if (layer_id >= 0 && layer_id < oxcf->ss_number_layers) {
1772           LAYER_CONTEXT *const lc = &cpi->svc.layer_context[layer_id];
1773
1774           vpx_free(lc->rc_twopass_stats_in.buf);
1775
1776           lc->rc_twopass_stats_in.sz = packets_in_layer * packet_sz;
1777           CHECK_MEM_ERROR(cm, lc->rc_twopass_stats_in.buf,
1778                           vpx_malloc(lc->rc_twopass_stats_in.sz));
1779           lc->twopass.stats_in_start = lc->rc_twopass_stats_in.buf;
1780           lc->twopass.stats_in = lc->twopass.stats_in_start;
1781           lc->twopass.stats_in_end = lc->twopass.stats_in_start
1782                                      + packets_in_layer - 1;
1783           stats_copy[layer_id] = lc->rc_twopass_stats_in.buf;
1784         }
1785       }
1786
1787       for (i = 0; i < packets; ++i) {
1788         const int layer_id = (int)stats[i].spatial_layer_id;
1789         if (layer_id >= 0 && layer_id < oxcf->ss_number_layers
1790             && stats_copy[layer_id] != NULL) {
1791           *stats_copy[layer_id] = stats[i];
1792           ++stats_copy[layer_id];
1793         }
1794       }
1795
1796       vp9_init_second_pass_spatial_svc(cpi);
1797     } else {
1798 #if CONFIG_FP_MB_STATS
1799       if (cpi->use_fp_mb_stats) {
1800         const size_t psz = cpi->common.MBs * sizeof(uint8_t);
1801         const int ps = (int)(oxcf->firstpass_mb_stats_in.sz / psz);
1802
1803         cpi->twopass.firstpass_mb_stats.mb_stats_start =
1804             oxcf->firstpass_mb_stats_in.buf;
1805         cpi->twopass.firstpass_mb_stats.mb_stats_end =
1806             cpi->twopass.firstpass_mb_stats.mb_stats_start +
1807             (ps - 1) * cpi->common.MBs * sizeof(uint8_t);
1808       }
1809 #endif
1810
1811       cpi->twopass.stats_in_start = oxcf->two_pass_stats_in.buf;
1812       cpi->twopass.stats_in = cpi->twopass.stats_in_start;
1813       cpi->twopass.stats_in_end = &cpi->twopass.stats_in[packets - 1];
1814
1815       vp9_init_second_pass(cpi);
1816     }
1817   }
1818
1819   vp9_set_speed_features_framesize_independent(cpi);
1820   vp9_set_speed_features_framesize_dependent(cpi);
1821
1822   // Allocate memory to store variances for a frame.
1823   CHECK_MEM_ERROR(cm, cpi->source_diff_var,
1824                   vpx_calloc(cm->MBs, sizeof(diff)));
1825   cpi->source_var_thresh = 0;
1826   cpi->frames_till_next_var_check = 0;
1827
1828 #define BFP(BT, SDF, SDAF, VF, SVF, SVAF, SDX3F, SDX8F, SDX4DF)\
1829     cpi->fn_ptr[BT].sdf            = SDF; \
1830     cpi->fn_ptr[BT].sdaf           = SDAF; \
1831     cpi->fn_ptr[BT].vf             = VF; \
1832     cpi->fn_ptr[BT].svf            = SVF; \
1833     cpi->fn_ptr[BT].svaf           = SVAF; \
1834     cpi->fn_ptr[BT].sdx3f          = SDX3F; \
1835     cpi->fn_ptr[BT].sdx8f          = SDX8F; \
1836     cpi->fn_ptr[BT].sdx4df         = SDX4DF;
1837
1838   BFP(BLOCK_32X16, vpx_sad32x16, vpx_sad32x16_avg,
1839       vpx_variance32x16, vpx_sub_pixel_variance32x16,
1840       vpx_sub_pixel_avg_variance32x16, NULL, NULL, vpx_sad32x16x4d)
1841
1842   BFP(BLOCK_16X32, vpx_sad16x32, vpx_sad16x32_avg,
1843       vpx_variance16x32, vpx_sub_pixel_variance16x32,
1844       vpx_sub_pixel_avg_variance16x32, NULL, NULL, vpx_sad16x32x4d)
1845
1846   BFP(BLOCK_64X32, vpx_sad64x32, vpx_sad64x32_avg,
1847       vpx_variance64x32, vpx_sub_pixel_variance64x32,
1848       vpx_sub_pixel_avg_variance64x32, NULL, NULL, vpx_sad64x32x4d)
1849
1850   BFP(BLOCK_32X64, vpx_sad32x64, vpx_sad32x64_avg,
1851       vpx_variance32x64, vpx_sub_pixel_variance32x64,
1852       vpx_sub_pixel_avg_variance32x64, NULL, NULL, vpx_sad32x64x4d)
1853
1854   BFP(BLOCK_32X32, vpx_sad32x32, vpx_sad32x32_avg,
1855       vpx_variance32x32, vpx_sub_pixel_variance32x32,
1856       vpx_sub_pixel_avg_variance32x32, vpx_sad32x32x3, vpx_sad32x32x8,
1857       vpx_sad32x32x4d)
1858
1859   BFP(BLOCK_64X64, vpx_sad64x64, vpx_sad64x64_avg,
1860       vpx_variance64x64, vpx_sub_pixel_variance64x64,
1861       vpx_sub_pixel_avg_variance64x64, vpx_sad64x64x3, vpx_sad64x64x8,
1862       vpx_sad64x64x4d)
1863
1864   BFP(BLOCK_16X16, vpx_sad16x16, vpx_sad16x16_avg,
1865       vpx_variance16x16, vpx_sub_pixel_variance16x16,
1866       vpx_sub_pixel_avg_variance16x16, vpx_sad16x16x3, vpx_sad16x16x8,
1867       vpx_sad16x16x4d)
1868
1869   BFP(BLOCK_16X8, vpx_sad16x8, vpx_sad16x8_avg,
1870       vpx_variance16x8, vpx_sub_pixel_variance16x8,
1871       vpx_sub_pixel_avg_variance16x8,
1872       vpx_sad16x8x3, vpx_sad16x8x8, vpx_sad16x8x4d)
1873
1874   BFP(BLOCK_8X16, vpx_sad8x16, vpx_sad8x16_avg,
1875       vpx_variance8x16, vpx_sub_pixel_variance8x16,
1876       vpx_sub_pixel_avg_variance8x16,
1877       vpx_sad8x16x3, vpx_sad8x16x8, vpx_sad8x16x4d)
1878
1879   BFP(BLOCK_8X8, vpx_sad8x8, vpx_sad8x8_avg,
1880       vpx_variance8x8, vpx_sub_pixel_variance8x8,
1881       vpx_sub_pixel_avg_variance8x8,
1882       vpx_sad8x8x3, vpx_sad8x8x8, vpx_sad8x8x4d)
1883
1884   BFP(BLOCK_8X4, vpx_sad8x4, vpx_sad8x4_avg,
1885       vpx_variance8x4, vpx_sub_pixel_variance8x4,
1886       vpx_sub_pixel_avg_variance8x4, NULL, vpx_sad8x4x8, vpx_sad8x4x4d)
1887
1888   BFP(BLOCK_4X8, vpx_sad4x8, vpx_sad4x8_avg,
1889       vpx_variance4x8, vpx_sub_pixel_variance4x8,
1890       vpx_sub_pixel_avg_variance4x8, NULL, vpx_sad4x8x8, vpx_sad4x8x4d)
1891
1892   BFP(BLOCK_4X4, vpx_sad4x4, vpx_sad4x4_avg,
1893       vpx_variance4x4, vpx_sub_pixel_variance4x4,
1894       vpx_sub_pixel_avg_variance4x4,
1895       vpx_sad4x4x3, vpx_sad4x4x8, vpx_sad4x4x4d)
1896
1897 #if CONFIG_VP9_HIGHBITDEPTH
1898   highbd_set_var_fns(cpi);
1899 #endif
1900
1901   /* vp9_init_quantizer() is first called here. Add check in
1902    * vp9_frame_init_quantizer() so that vp9_init_quantizer is only
1903    * called later when needed. This will avoid unnecessary calls of
1904    * vp9_init_quantizer() for every frame.
1905    */
1906   vp9_init_quantizer(cpi);
1907
1908   vp9_loop_filter_init(cm);
1909
1910   cm->error.setjmp = 0;
1911
1912   return cpi;
1913 }
1914 #define SNPRINT(H, T) \
1915   snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T))
1916
1917 #define SNPRINT2(H, T, V) \
1918   snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T), (V))
1919
1920 void vp9_remove_compressor(VP9_COMP *cpi) {
1921   VP9_COMMON *const cm = &cpi->common;
1922   unsigned int i;
1923   int t;
1924
1925   if (!cpi)
1926     return;
1927
1928   if (cpi && (cm->current_video_frame > 0)) {
1929 #if CONFIG_INTERNAL_STATS
1930     vpx_clear_system_state();
1931
1932     if (cpi->oxcf.pass != 1) {
1933       char headings[512] = {0};
1934       char results[512] = {0};
1935       FILE *f = fopen("opsnr.stt", "a");
1936       double time_encoded = (cpi->last_end_time_stamp_seen
1937                              - cpi->first_time_stamp_ever) / 10000000.000;
1938       double total_encode_time = (cpi->time_receive_data +
1939                                   cpi->time_compress_data)   / 1000.000;
1940       const double dr =
1941           (double)cpi->bytes * (double) 8 / (double)1000 / time_encoded;
1942       const double peak = (double)((1 << cpi->oxcf.input_bit_depth) - 1);
1943
1944       if (cpi->b_calculate_psnr) {
1945         const double total_psnr =
1946             vpx_sse_to_psnr((double)cpi->total_samples, peak,
1947                             (double)cpi->total_sq_error);
1948         const double totalp_psnr =
1949             vpx_sse_to_psnr((double)cpi->totalp_samples, peak,
1950                             (double)cpi->totalp_sq_error);
1951         const double total_ssim = 100 * pow(cpi->summed_quality /
1952                                             cpi->summed_weights, 8.0);
1953         const double totalp_ssim = 100 * pow(cpi->summedp_quality /
1954                                              cpi->summedp_weights, 8.0);
1955
1956         snprintf(headings, sizeof(headings),
1957                  "Bitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\tGLPsnrP\t"
1958                  "VPXSSIM\tVPSSIMP\tFASTSIM\tPSNRHVS\t"
1959                  "WstPsnr\tWstSsim\tWstFast\tWstHVS");
1960         snprintf(results, sizeof(results),
1961                  "%7.2f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
1962                  "%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
1963                  "%7.3f\t%7.3f\t%7.3f\t%7.3f",
1964                  dr, cpi->psnr.stat[ALL] / cpi->count, total_psnr,
1965                  cpi->psnrp.stat[ALL] / cpi->count, totalp_psnr,
1966                  total_ssim, totalp_ssim,
1967                  cpi->fastssim.stat[ALL] / cpi->count,
1968                  cpi->psnrhvs.stat[ALL] / cpi->count,
1969                  cpi->psnr.worst, cpi->worst_ssim, cpi->fastssim.worst,
1970                  cpi->psnrhvs.worst);
1971
1972         if (cpi->b_calculate_blockiness) {
1973           SNPRINT(headings, "\t  Block\tWstBlck");
1974           SNPRINT2(results, "\t%7.3f", cpi->total_blockiness / cpi->count);
1975           SNPRINT2(results, "\t%7.3f", cpi->worst_blockiness);
1976         }
1977
1978         if (cpi->b_calculate_consistency) {
1979           double consistency =
1980               vpx_sse_to_psnr((double)cpi->totalp_samples, peak,
1981                               (double)cpi->total_inconsistency);
1982
1983           SNPRINT(headings, "\tConsist\tWstCons");
1984           SNPRINT2(results, "\t%7.3f", consistency);
1985           SNPRINT2(results, "\t%7.3f", cpi->worst_consistency);
1986         }
1987
1988         if (cpi->b_calculate_ssimg) {
1989           SNPRINT(headings, "\t  SSIMG\tWtSSIMG");
1990           SNPRINT2(results, "\t%7.3f", cpi->ssimg.stat[ALL] / cpi->count);
1991           SNPRINT2(results, "\t%7.3f", cpi->ssimg.worst);
1992         }
1993
1994         fprintf(f, "%s\t    Time\n", headings);
1995         fprintf(f, "%s\t%8.0f\n", results, total_encode_time);
1996       }
1997
1998       fclose(f);
1999     }
2000
2001 #endif
2002
2003 #if 0
2004     {
2005       printf("\n_pick_loop_filter_level:%d\n", cpi->time_pick_lpf / 1000);
2006       printf("\n_frames recive_data encod_mb_row compress_frame  Total\n");
2007       printf("%6d %10ld %10ld %10ld %10ld\n", cpi->common.current_video_frame,
2008              cpi->time_receive_data / 1000, cpi->time_encode_sb_row / 1000,
2009              cpi->time_compress_data / 1000,
2010              (cpi->time_receive_data + cpi->time_compress_data) / 1000);
2011     }
2012 #endif
2013   }
2014
2015 #if CONFIG_VP9_TEMPORAL_DENOISING
2016   vp9_denoiser_free(&(cpi->denoiser));
2017 #endif
2018
2019   for (t = 0; t < cpi->num_workers; ++t) {
2020     VPxWorker *const worker = &cpi->workers[t];
2021     EncWorkerData *const thread_data = &cpi->tile_thr_data[t];
2022
2023     // Deallocate allocated threads.
2024     vpx_get_worker_interface()->end(worker);
2025
2026     // Deallocate allocated thread data.
2027     if (t < cpi->num_workers - 1) {
2028       vpx_free(thread_data->td->counts);
2029       vp9_free_pc_tree(thread_data->td);
2030       vpx_free(thread_data->td);
2031     }
2032   }
2033   vpx_free(cpi->tile_thr_data);
2034   vpx_free(cpi->workers);
2035
2036   if (cpi->num_workers > 1)
2037     vp9_loop_filter_dealloc(&cpi->lf_row_sync);
2038
2039   dealloc_compressor_data(cpi);
2040
2041   for (i = 0; i < sizeof(cpi->mbgraph_stats) /
2042                   sizeof(cpi->mbgraph_stats[0]); ++i) {
2043     vpx_free(cpi->mbgraph_stats[i].mb_stats);
2044   }
2045
2046 #if CONFIG_FP_MB_STATS
2047   if (cpi->use_fp_mb_stats) {
2048     vpx_free(cpi->twopass.frame_mb_stats_buf);
2049     cpi->twopass.frame_mb_stats_buf = NULL;
2050   }
2051 #endif
2052
2053   vp9_remove_common(cm);
2054   vp9_free_ref_frame_buffers(cm->buffer_pool);
2055 #if CONFIG_VP9_POSTPROC
2056   vp9_free_postproc_buffers(cm);
2057 #endif
2058   vpx_free(cpi);
2059
2060 #if CONFIG_VP9_TEMPORAL_DENOISING
2061 #ifdef OUTPUT_YUV_DENOISED
2062   fclose(yuv_denoised_file);
2063 #endif
2064 #endif
2065 #ifdef OUTPUT_YUV_SKINMAP
2066   fclose(yuv_skinmap_file);
2067 #endif
2068 #ifdef OUTPUT_YUV_REC
2069   fclose(yuv_rec_file);
2070 #endif
2071
2072 #if 0
2073
2074   if (keyfile)
2075     fclose(keyfile);
2076
2077   if (framepsnr)
2078     fclose(framepsnr);
2079
2080   if (kf_list)
2081     fclose(kf_list);
2082
2083 #endif
2084 }
2085
2086 /* TODO(yaowu): The block_variance calls the unoptimized versions of variance()
2087  * and highbd_8_variance(). It should not.
2088  */
2089 static void encoder_variance(const uint8_t *a, int  a_stride,
2090                              const uint8_t *b, int  b_stride,
2091                              int  w, int  h, unsigned int *sse, int *sum) {
2092   int i, j;
2093
2094   *sum = 0;
2095   *sse = 0;
2096
2097   for (i = 0; i < h; i++) {
2098     for (j = 0; j < w; j++) {
2099       const int diff = a[j] - b[j];
2100       *sum += diff;
2101       *sse += diff * diff;
2102     }
2103
2104     a += a_stride;
2105     b += b_stride;
2106   }
2107 }
2108
2109 #if CONFIG_VP9_HIGHBITDEPTH
2110 static void encoder_highbd_variance64(const uint8_t *a8, int  a_stride,
2111                                       const uint8_t *b8, int  b_stride,
2112                                       int w, int h, uint64_t *sse,
2113                                       uint64_t *sum) {
2114   int i, j;
2115
2116   uint16_t *a = CONVERT_TO_SHORTPTR(a8);
2117   uint16_t *b = CONVERT_TO_SHORTPTR(b8);
2118   *sum = 0;
2119   *sse = 0;
2120
2121   for (i = 0; i < h; i++) {
2122     for (j = 0; j < w; j++) {
2123       const int diff = a[j] - b[j];
2124       *sum += diff;
2125       *sse += diff * diff;
2126     }
2127     a += a_stride;
2128     b += b_stride;
2129   }
2130 }
2131
2132 static void encoder_highbd_8_variance(const uint8_t *a8, int  a_stride,
2133                                       const uint8_t *b8, int  b_stride,
2134                                       int w, int h,
2135                                       unsigned int *sse, int *sum) {
2136   uint64_t sse_long = 0;
2137   uint64_t sum_long = 0;
2138   encoder_highbd_variance64(a8, a_stride, b8, b_stride, w, h,
2139                             &sse_long, &sum_long);
2140   *sse = (unsigned int)sse_long;
2141   *sum = (int)sum_long;
2142 }
2143 #endif  // CONFIG_VP9_HIGHBITDEPTH
2144
2145 static int64_t get_sse(const uint8_t *a, int a_stride,
2146                        const uint8_t *b, int b_stride,
2147                        int width, int height) {
2148   const int dw = width % 16;
2149   const int dh = height % 16;
2150   int64_t total_sse = 0;
2151   unsigned int sse = 0;
2152   int sum = 0;
2153   int x, y;
2154
2155   if (dw > 0) {
2156     encoder_variance(&a[width - dw], a_stride, &b[width - dw], b_stride,
2157                      dw, height, &sse, &sum);
2158     total_sse += sse;
2159   }
2160
2161   if (dh > 0) {
2162     encoder_variance(&a[(height - dh) * a_stride], a_stride,
2163                      &b[(height - dh) * b_stride], b_stride,
2164                      width - dw, dh, &sse, &sum);
2165     total_sse += sse;
2166   }
2167
2168   for (y = 0; y < height / 16; ++y) {
2169     const uint8_t *pa = a;
2170     const uint8_t *pb = b;
2171     for (x = 0; x < width / 16; ++x) {
2172       vpx_mse16x16(pa, a_stride, pb, b_stride, &sse);
2173       total_sse += sse;
2174
2175       pa += 16;
2176       pb += 16;
2177     }
2178
2179     a += 16 * a_stride;
2180     b += 16 * b_stride;
2181   }
2182
2183   return total_sse;
2184 }
2185
2186 #if CONFIG_VP9_HIGHBITDEPTH
2187 static int64_t highbd_get_sse_shift(const uint8_t *a8, int a_stride,
2188                                     const uint8_t *b8, int b_stride,
2189                                     int width, int height,
2190                                     unsigned int input_shift) {
2191   const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
2192   const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
2193   int64_t total_sse = 0;
2194   int x, y;
2195   for (y = 0; y < height; ++y) {
2196     for (x = 0; x < width; ++x) {
2197       int64_t diff;
2198       diff = (a[x] >> input_shift) - (b[x] >> input_shift);
2199       total_sse += diff * diff;
2200     }
2201     a += a_stride;
2202     b += b_stride;
2203   }
2204   return total_sse;
2205 }
2206
2207 static int64_t highbd_get_sse(const uint8_t *a, int a_stride,
2208                               const uint8_t *b, int b_stride,
2209                               int width, int height) {
2210   int64_t total_sse = 0;
2211   int x, y;
2212   const int dw = width % 16;
2213   const int dh = height % 16;
2214   unsigned int sse = 0;
2215   int sum = 0;
2216   if (dw > 0) {
2217     encoder_highbd_8_variance(&a[width - dw], a_stride,
2218                               &b[width - dw], b_stride,
2219                               dw, height, &sse, &sum);
2220     total_sse += sse;
2221   }
2222   if (dh > 0) {
2223     encoder_highbd_8_variance(&a[(height - dh) * a_stride], a_stride,
2224                               &b[(height - dh) * b_stride], b_stride,
2225                               width - dw, dh, &sse, &sum);
2226     total_sse += sse;
2227   }
2228   for (y = 0; y < height / 16; ++y) {
2229     const uint8_t *pa = a;
2230     const uint8_t *pb = b;
2231     for (x = 0; x < width / 16; ++x) {
2232       vpx_highbd_8_mse16x16(pa, a_stride, pb, b_stride, &sse);
2233       total_sse += sse;
2234       pa += 16;
2235       pb += 16;
2236     }
2237     a += 16 * a_stride;
2238     b += 16 * b_stride;
2239   }
2240   return total_sse;
2241 }
2242 #endif  // CONFIG_VP9_HIGHBITDEPTH
2243
2244 typedef struct {
2245   double psnr[4];       // total/y/u/v
2246   uint64_t sse[4];      // total/y/u/v
2247   uint32_t samples[4];  // total/y/u/v
2248 } PSNR_STATS;
2249
2250 static void calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b,
2251                       PSNR_STATS *psnr) {
2252   static const double peak = 255.0;
2253   const int widths[3]        = {
2254       a->y_crop_width, a->uv_crop_width, a->uv_crop_width};
2255   const int heights[3]       = {
2256       a->y_crop_height, a->uv_crop_height, a->uv_crop_height};
2257   const uint8_t *a_planes[3] = {a->y_buffer, a->u_buffer, a->v_buffer};
2258   const int a_strides[3]     = {a->y_stride, a->uv_stride, a->uv_stride};
2259   const uint8_t *b_planes[3] = {b->y_buffer, b->u_buffer, b->v_buffer};
2260   const int b_strides[3]     = {b->y_stride, b->uv_stride, b->uv_stride};
2261   int i;
2262   uint64_t total_sse = 0;
2263   uint32_t total_samples = 0;
2264
2265   for (i = 0; i < 3; ++i) {
2266     const int w = widths[i];
2267     const int h = heights[i];
2268     const uint32_t samples = w * h;
2269     const uint64_t sse = get_sse(a_planes[i], a_strides[i],
2270                                  b_planes[i], b_strides[i],
2271                                  w, h);
2272     psnr->sse[1 + i] = sse;
2273     psnr->samples[1 + i] = samples;
2274     psnr->psnr[1 + i] = vpx_sse_to_psnr(samples, peak, (double)sse);
2275
2276     total_sse += sse;
2277     total_samples += samples;
2278   }
2279
2280   psnr->sse[0] = total_sse;
2281   psnr->samples[0] = total_samples;
2282   psnr->psnr[0] = vpx_sse_to_psnr((double)total_samples, peak,
2283                                   (double)total_sse);
2284 }
2285
2286 #if CONFIG_VP9_HIGHBITDEPTH
2287 static void calc_highbd_psnr(const YV12_BUFFER_CONFIG *a,
2288                              const YV12_BUFFER_CONFIG *b,
2289                              PSNR_STATS *psnr,
2290                              unsigned int bit_depth,
2291                              unsigned int in_bit_depth) {
2292   const int widths[3] =
2293       {a->y_crop_width,  a->uv_crop_width,  a->uv_crop_width };
2294   const int heights[3] =
2295       {a->y_crop_height, a->uv_crop_height, a->uv_crop_height};
2296   const uint8_t *a_planes[3] = {a->y_buffer, a->u_buffer,  a->v_buffer };
2297   const int a_strides[3] = {a->y_stride, a->uv_stride, a->uv_stride};
2298   const uint8_t *b_planes[3] = {b->y_buffer, b->u_buffer,  b->v_buffer };
2299   const int b_strides[3] = {b->y_stride, b->uv_stride, b->uv_stride};
2300   int i;
2301   uint64_t total_sse = 0;
2302   uint32_t total_samples = 0;
2303   const double peak = (double)((1 << in_bit_depth) - 1);
2304   const unsigned int input_shift = bit_depth - in_bit_depth;
2305
2306   for (i = 0; i < 3; ++i) {
2307     const int w = widths[i];
2308     const int h = heights[i];
2309     const uint32_t samples = w * h;
2310     uint64_t sse;
2311     if (a->flags & YV12_FLAG_HIGHBITDEPTH) {
2312       if (input_shift) {
2313         sse = highbd_get_sse_shift(a_planes[i], a_strides[i],
2314                                    b_planes[i], b_strides[i], w, h,
2315                                    input_shift);
2316       } else {
2317         sse = highbd_get_sse(a_planes[i], a_strides[i],
2318                              b_planes[i], b_strides[i], w, h);
2319       }
2320     } else {
2321       sse = get_sse(a_planes[i], a_strides[i],
2322                     b_planes[i], b_strides[i],
2323                     w, h);
2324     }
2325     psnr->sse[1 + i] = sse;
2326     psnr->samples[1 + i] = samples;
2327     psnr->psnr[1 + i] = vpx_sse_to_psnr(samples, peak, (double)sse);
2328
2329     total_sse += sse;
2330     total_samples += samples;
2331   }
2332
2333   psnr->sse[0] = total_sse;
2334   psnr->samples[0] = total_samples;
2335   psnr->psnr[0] = vpx_sse_to_psnr((double)total_samples, peak,
2336                                   (double)total_sse);
2337 }
2338 #endif  // CONFIG_VP9_HIGHBITDEPTH
2339
2340 static void generate_psnr_packet(VP9_COMP *cpi) {
2341   struct vpx_codec_cx_pkt pkt;
2342   int i;
2343   PSNR_STATS psnr;
2344 #if CONFIG_VP9_HIGHBITDEPTH
2345   calc_highbd_psnr(cpi->Source, cpi->common.frame_to_show, &psnr,
2346                    cpi->td.mb.e_mbd.bd, cpi->oxcf.input_bit_depth);
2347 #else
2348   calc_psnr(cpi->Source, cpi->common.frame_to_show, &psnr);
2349 #endif
2350
2351   for (i = 0; i < 4; ++i) {
2352     pkt.data.psnr.samples[i] = psnr.samples[i];
2353     pkt.data.psnr.sse[i] = psnr.sse[i];
2354     pkt.data.psnr.psnr[i] = psnr.psnr[i];
2355   }
2356   pkt.kind = VPX_CODEC_PSNR_PKT;
2357   if (cpi->use_svc)
2358     cpi->svc.layer_context[cpi->svc.spatial_layer_id *
2359         cpi->svc.number_temporal_layers].psnr_pkt = pkt.data.psnr;
2360   else
2361     vpx_codec_pkt_list_add(cpi->output_pkt_list, &pkt);
2362 }
2363
2364 int vp9_use_as_reference(VP9_COMP *cpi, int ref_frame_flags) {
2365   if (ref_frame_flags > 7)
2366     return -1;
2367
2368   cpi->ref_frame_flags = ref_frame_flags;
2369   return 0;
2370 }
2371
2372 void vp9_update_reference(VP9_COMP *cpi, int ref_frame_flags) {
2373   cpi->ext_refresh_golden_frame = (ref_frame_flags & VP9_GOLD_FLAG) != 0;
2374   cpi->ext_refresh_alt_ref_frame = (ref_frame_flags & VP9_ALT_FLAG) != 0;
2375   cpi->ext_refresh_last_frame = (ref_frame_flags & VP9_LAST_FLAG) != 0;
2376   cpi->ext_refresh_frame_flags_pending = 1;
2377 }
2378
2379 static YV12_BUFFER_CONFIG *get_vp9_ref_frame_buffer(VP9_COMP *cpi,
2380                                 VP9_REFFRAME ref_frame_flag) {
2381   MV_REFERENCE_FRAME ref_frame = NONE;
2382   if (ref_frame_flag == VP9_LAST_FLAG)
2383     ref_frame = LAST_FRAME;
2384   else if (ref_frame_flag == VP9_GOLD_FLAG)
2385     ref_frame = GOLDEN_FRAME;
2386   else if (ref_frame_flag == VP9_ALT_FLAG)
2387     ref_frame = ALTREF_FRAME;
2388
2389   return ref_frame == NONE ? NULL : get_ref_frame_buffer(cpi, ref_frame);
2390 }
2391
2392 int vp9_copy_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
2393                            YV12_BUFFER_CONFIG *sd) {
2394   YV12_BUFFER_CONFIG *cfg = get_vp9_ref_frame_buffer(cpi, ref_frame_flag);
2395   if (cfg) {
2396     vp8_yv12_copy_frame(cfg, sd);
2397     return 0;
2398   } else {
2399     return -1;
2400   }
2401 }
2402
2403 int vp9_set_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
2404                           YV12_BUFFER_CONFIG *sd) {
2405   YV12_BUFFER_CONFIG *cfg = get_vp9_ref_frame_buffer(cpi, ref_frame_flag);
2406   if (cfg) {
2407     vp8_yv12_copy_frame(sd, cfg);
2408     return 0;
2409   } else {
2410     return -1;
2411   }
2412 }
2413
2414 int vp9_update_entropy(VP9_COMP * cpi, int update) {
2415   cpi->ext_refresh_frame_context = update;
2416   cpi->ext_refresh_frame_context_pending = 1;
2417   return 0;
2418 }
2419
2420 #if defined(OUTPUT_YUV_DENOISED) || defined(OUTPUT_YUV_SKINMAP)
2421 // The denoiser buffer is allocated as a YUV 440 buffer. This function writes it
2422 // as YUV 420. We simply use the top-left pixels of the UV buffers, since we do
2423 // not denoise the UV channels at this time. If ever we implement UV channel
2424 // denoising we will have to modify this.
2425 void vp9_write_yuv_frame_420(YV12_BUFFER_CONFIG *s, FILE *f) {
2426   uint8_t *src = s->y_buffer;
2427   int h = s->y_height;
2428
2429   do {
2430     fwrite(src, s->y_width, 1, f);
2431     src += s->y_stride;
2432   } while (--h);
2433
2434   src = s->u_buffer;
2435   h = s->uv_height;
2436
2437   do {
2438     fwrite(src, s->uv_width, 1, f);
2439     src += s->uv_stride;
2440   } while (--h);
2441
2442   src = s->v_buffer;
2443   h = s->uv_height;
2444
2445   do {
2446     fwrite(src, s->uv_width, 1, f);
2447     src += s->uv_stride;
2448   } while (--h);
2449 }
2450 #endif
2451
2452 #ifdef OUTPUT_YUV_REC
2453 void vp9_write_yuv_rec_frame(VP9_COMMON *cm) {
2454   YV12_BUFFER_CONFIG *s = cm->frame_to_show;
2455   uint8_t *src = s->y_buffer;
2456   int h = cm->height;
2457
2458 #if CONFIG_VP9_HIGHBITDEPTH
2459   if (s->flags & YV12_FLAG_HIGHBITDEPTH) {
2460     uint16_t *src16 = CONVERT_TO_SHORTPTR(s->y_buffer);
2461
2462     do {
2463       fwrite(src16, s->y_width, 2,  yuv_rec_file);
2464       src16 += s->y_stride;
2465     } while (--h);
2466
2467     src16 = CONVERT_TO_SHORTPTR(s->u_buffer);
2468     h = s->uv_height;
2469
2470     do {
2471       fwrite(src16, s->uv_width, 2,  yuv_rec_file);
2472       src16 += s->uv_stride;
2473     } while (--h);
2474
2475     src16 = CONVERT_TO_SHORTPTR(s->v_buffer);
2476     h = s->uv_height;
2477
2478     do {
2479       fwrite(src16, s->uv_width, 2, yuv_rec_file);
2480       src16 += s->uv_stride;
2481     } while (--h);
2482
2483     fflush(yuv_rec_file);
2484     return;
2485   }
2486 #endif  // CONFIG_VP9_HIGHBITDEPTH
2487
2488   do {
2489     fwrite(src, s->y_width, 1,  yuv_rec_file);
2490     src += s->y_stride;
2491   } while (--h);
2492
2493   src = s->u_buffer;
2494   h = s->uv_height;
2495
2496   do {
2497     fwrite(src, s->uv_width, 1,  yuv_rec_file);
2498     src += s->uv_stride;
2499   } while (--h);
2500
2501   src = s->v_buffer;
2502   h = s->uv_height;
2503
2504   do {
2505     fwrite(src, s->uv_width, 1, yuv_rec_file);
2506     src += s->uv_stride;
2507   } while (--h);
2508
2509   fflush(yuv_rec_file);
2510 }
2511 #endif
2512
2513 #if CONFIG_VP9_HIGHBITDEPTH
2514 static void scale_and_extend_frame_nonnormative(const YV12_BUFFER_CONFIG *src,
2515                                                 YV12_BUFFER_CONFIG *dst,
2516                                                 int bd) {
2517 #else
2518 static void scale_and_extend_frame_nonnormative(const YV12_BUFFER_CONFIG *src,
2519                                                 YV12_BUFFER_CONFIG *dst) {
2520 #endif  // CONFIG_VP9_HIGHBITDEPTH
2521   // TODO(dkovalev): replace YV12_BUFFER_CONFIG with vpx_image_t
2522   int i;
2523   const uint8_t *const srcs[3] = {src->y_buffer, src->u_buffer, src->v_buffer};
2524   const int src_strides[3] = {src->y_stride, src->uv_stride, src->uv_stride};
2525   const int src_widths[3] = {src->y_crop_width, src->uv_crop_width,
2526                              src->uv_crop_width };
2527   const int src_heights[3] = {src->y_crop_height, src->uv_crop_height,
2528                               src->uv_crop_height};
2529   uint8_t *const dsts[3] = {dst->y_buffer, dst->u_buffer, dst->v_buffer};
2530   const int dst_strides[3] = {dst->y_stride, dst->uv_stride, dst->uv_stride};
2531   const int dst_widths[3] = {dst->y_crop_width, dst->uv_crop_width,
2532                              dst->uv_crop_width};
2533   const int dst_heights[3] = {dst->y_crop_height, dst->uv_crop_height,
2534                               dst->uv_crop_height};
2535
2536   for (i = 0; i < MAX_MB_PLANE; ++i) {
2537 #if CONFIG_VP9_HIGHBITDEPTH
2538     if (src->flags & YV12_FLAG_HIGHBITDEPTH) {
2539       vp9_highbd_resize_plane(srcs[i], src_heights[i], src_widths[i],
2540                               src_strides[i], dsts[i], dst_heights[i],
2541                               dst_widths[i], dst_strides[i], bd);
2542     } else {
2543       vp9_resize_plane(srcs[i], src_heights[i], src_widths[i], src_strides[i],
2544                        dsts[i], dst_heights[i], dst_widths[i], dst_strides[i]);
2545     }
2546 #else
2547     vp9_resize_plane(srcs[i], src_heights[i], src_widths[i], src_strides[i],
2548                      dsts[i], dst_heights[i], dst_widths[i], dst_strides[i]);
2549 #endif  // CONFIG_VP9_HIGHBITDEPTH
2550   }
2551   vpx_extend_frame_borders(dst);
2552 }
2553
2554 #if CONFIG_VP9_HIGHBITDEPTH
2555 static void scale_and_extend_frame(const YV12_BUFFER_CONFIG *src,
2556                                    YV12_BUFFER_CONFIG *dst, int bd) {
2557 #else
2558 static void scale_and_extend_frame(const YV12_BUFFER_CONFIG *src,
2559                                    YV12_BUFFER_CONFIG *dst) {
2560 #endif  // CONFIG_VP9_HIGHBITDEPTH
2561   const int src_w = src->y_crop_width;
2562   const int src_h = src->y_crop_height;
2563   const int dst_w = dst->y_crop_width;
2564   const int dst_h = dst->y_crop_height;
2565   const uint8_t *const srcs[3] = {src->y_buffer, src->u_buffer, src->v_buffer};
2566   const int src_strides[3] = {src->y_stride, src->uv_stride, src->uv_stride};
2567   uint8_t *const dsts[3] = {dst->y_buffer, dst->u_buffer, dst->v_buffer};
2568   const int dst_strides[3] = {dst->y_stride, dst->uv_stride, dst->uv_stride};
2569   const InterpKernel *const kernel = vp9_filter_kernels[EIGHTTAP];
2570   int x, y, i;
2571
2572   for (y = 0; y < dst_h; y += 16) {
2573     for (x = 0; x < dst_w; x += 16) {
2574       for (i = 0; i < MAX_MB_PLANE; ++i) {
2575         const int factor = (i == 0 || i == 3 ? 1 : 2);
2576         const int x_q4 = x * (16 / factor) * src_w / dst_w;
2577         const int y_q4 = y * (16 / factor) * src_h / dst_h;
2578         const int src_stride = src_strides[i];
2579         const int dst_stride = dst_strides[i];
2580         const uint8_t *src_ptr = srcs[i] + (y / factor) * src_h / dst_h *
2581                                      src_stride + (x / factor) * src_w / dst_w;
2582         uint8_t *dst_ptr = dsts[i] + (y / factor) * dst_stride + (x / factor);
2583
2584 #if CONFIG_VP9_HIGHBITDEPTH
2585         if (src->flags & YV12_FLAG_HIGHBITDEPTH) {
2586           vpx_highbd_convolve8(src_ptr, src_stride, dst_ptr, dst_stride,
2587                                kernel[x_q4 & 0xf], 16 * src_w / dst_w,
2588                                kernel[y_q4 & 0xf], 16 * src_h / dst_h,
2589                                16 / factor, 16 / factor, bd);
2590         } else {
2591           vpx_scaled_2d(src_ptr, src_stride, dst_ptr, dst_stride,
2592                         kernel[x_q4 & 0xf], 16 * src_w / dst_w,
2593                         kernel[y_q4 & 0xf], 16 * src_h / dst_h,
2594                         16 / factor, 16 / factor);
2595         }
2596 #else
2597         vpx_scaled_2d(src_ptr, src_stride, dst_ptr, dst_stride,
2598                       kernel[x_q4 & 0xf], 16 * src_w / dst_w,
2599                       kernel[y_q4 & 0xf], 16 * src_h / dst_h,
2600                       16 / factor, 16 / factor);
2601 #endif  // CONFIG_VP9_HIGHBITDEPTH
2602       }
2603     }
2604   }
2605
2606   vpx_extend_frame_borders(dst);
2607 }
2608
2609 static int scale_down(VP9_COMP *cpi, int q) {
2610   RATE_CONTROL *const rc = &cpi->rc;
2611   GF_GROUP *const gf_group = &cpi->twopass.gf_group;
2612   int scale = 0;
2613   assert(frame_is_kf_gf_arf(cpi));
2614
2615   if (rc->frame_size_selector == UNSCALED &&
2616       q >= rc->rf_level_maxq[gf_group->rf_level[gf_group->index]]) {
2617     const int max_size_thresh = (int)(rate_thresh_mult[SCALE_STEP1]
2618         * VPXMAX(rc->this_frame_target, rc->avg_frame_bandwidth));
2619     scale = rc->projected_frame_size > max_size_thresh ? 1 : 0;
2620   }
2621   return scale;
2622 }
2623
2624 // Function to test for conditions that indicate we should loop
2625 // back and recode a frame.
2626 static int recode_loop_test(VP9_COMP *cpi,
2627                             int high_limit, int low_limit,
2628                             int q, int maxq, int minq) {
2629   const RATE_CONTROL *const rc = &cpi->rc;
2630   const VP9EncoderConfig *const oxcf = &cpi->oxcf;
2631   const int frame_is_kfgfarf = frame_is_kf_gf_arf(cpi);
2632   int force_recode = 0;
2633
2634   if ((rc->projected_frame_size >= rc->max_frame_bandwidth) ||
2635       (cpi->sf.recode_loop == ALLOW_RECODE) ||
2636       (frame_is_kfgfarf &&
2637        (cpi->sf.recode_loop == ALLOW_RECODE_KFARFGF))) {
2638     if (frame_is_kfgfarf &&
2639         (oxcf->resize_mode == RESIZE_DYNAMIC) &&
2640         scale_down(cpi, q)) {
2641         // Code this group at a lower resolution.
2642         cpi->resize_pending = 1;
2643         return 1;
2644     }
2645
2646     // TODO(agrange) high_limit could be greater than the scale-down threshold.
2647     if ((rc->projected_frame_size > high_limit && q < maxq) ||
2648         (rc->projected_frame_size < low_limit && q > minq)) {
2649       force_recode = 1;
2650     } else if (cpi->oxcf.rc_mode == VPX_CQ) {
2651       // Deal with frame undershoot and whether or not we are
2652       // below the automatically set cq level.
2653       if (q > oxcf->cq_level &&
2654           rc->projected_frame_size < ((rc->this_frame_target * 7) >> 3)) {
2655         force_recode = 1;
2656       }
2657     }
2658   }
2659   return force_recode;
2660 }
2661
2662 void vp9_update_reference_frames(VP9_COMP *cpi) {
2663   VP9_COMMON * const cm = &cpi->common;
2664   BufferPool *const pool = cm->buffer_pool;
2665
2666   // At this point the new frame has been encoded.
2667   // If any buffer copy / swapping is signaled it should be done here.
2668   if (cm->frame_type == KEY_FRAME) {
2669     ref_cnt_fb(pool->frame_bufs,
2670                &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx);
2671     ref_cnt_fb(pool->frame_bufs,
2672                &cm->ref_frame_map[cpi->alt_fb_idx], cm->new_fb_idx);
2673   } else if (vp9_preserve_existing_gf(cpi)) {
2674     // We have decided to preserve the previously existing golden frame as our
2675     // new ARF frame. However, in the short term in function
2676     // vp9_bitstream.c::get_refresh_mask() we left it in the GF slot and, if
2677     // we're updating the GF with the current decoded frame, we save it to the
2678     // ARF slot instead.
2679     // We now have to update the ARF with the current frame and swap gld_fb_idx
2680     // and alt_fb_idx so that, overall, we've stored the old GF in the new ARF
2681     // slot and, if we're updating the GF, the current frame becomes the new GF.
2682     int tmp;
2683
2684     ref_cnt_fb(pool->frame_bufs,
2685                &cm->ref_frame_map[cpi->alt_fb_idx], cm->new_fb_idx);
2686
2687     tmp = cpi->alt_fb_idx;
2688     cpi->alt_fb_idx = cpi->gld_fb_idx;
2689     cpi->gld_fb_idx = tmp;
2690
2691     if (is_two_pass_svc(cpi)) {
2692       cpi->svc.layer_context[0].gold_ref_idx = cpi->gld_fb_idx;
2693       cpi->svc.layer_context[0].alt_ref_idx = cpi->alt_fb_idx;
2694     }
2695   } else { /* For non key/golden frames */
2696     if (cpi->refresh_alt_ref_frame) {
2697       int arf_idx = cpi->alt_fb_idx;
2698       if ((cpi->oxcf.pass == 2) && cpi->multi_arf_allowed) {
2699         const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
2700         arf_idx = gf_group->arf_update_idx[gf_group->index];
2701       }
2702
2703       ref_cnt_fb(pool->frame_bufs,
2704                  &cm->ref_frame_map[arf_idx], cm->new_fb_idx);
2705       memcpy(cpi->interp_filter_selected[ALTREF_FRAME],
2706              cpi->interp_filter_selected[0],
2707              sizeof(cpi->interp_filter_selected[0]));
2708     }
2709
2710     if (cpi->refresh_golden_frame) {
2711       ref_cnt_fb(pool->frame_bufs,
2712                  &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx);
2713       if (!cpi->rc.is_src_frame_alt_ref)
2714         memcpy(cpi->interp_filter_selected[GOLDEN_FRAME],
2715                cpi->interp_filter_selected[0],
2716                sizeof(cpi->interp_filter_selected[0]));
2717       else
2718         memcpy(cpi->interp_filter_selected[GOLDEN_FRAME],
2719                cpi->interp_filter_selected[ALTREF_FRAME],
2720                sizeof(cpi->interp_filter_selected[ALTREF_FRAME]));
2721     }
2722   }
2723
2724   if (cpi->refresh_last_frame) {
2725     ref_cnt_fb(pool->frame_bufs,
2726                &cm->ref_frame_map[cpi->lst_fb_idx], cm->new_fb_idx);
2727     if (!cpi->rc.is_src_frame_alt_ref)
2728       memcpy(cpi->interp_filter_selected[LAST_FRAME],
2729              cpi->interp_filter_selected[0],
2730              sizeof(cpi->interp_filter_selected[0]));
2731   }
2732 #if CONFIG_VP9_TEMPORAL_DENOISING
2733   if (cpi->oxcf.noise_sensitivity > 0) {
2734     vp9_denoiser_update_frame_info(&cpi->denoiser,
2735                                    *cpi->Source,
2736                                    cpi->common.frame_type,
2737                                    cpi->refresh_alt_ref_frame,
2738                                    cpi->refresh_golden_frame,
2739                                    cpi->refresh_last_frame);
2740   }
2741 #endif
2742 }
2743
2744 static void loopfilter_frame(VP9_COMP *cpi, VP9_COMMON *cm) {
2745   MACROBLOCKD *xd = &cpi->td.mb.e_mbd;
2746   struct loopfilter *lf = &cm->lf;
2747   if (xd->lossless) {
2748       lf->filter_level = 0;
2749   } else {
2750     struct vpx_usec_timer timer;
2751
2752     vpx_clear_system_state();
2753
2754     vpx_usec_timer_start(&timer);
2755
2756     vp9_pick_filter_level(cpi->Source, cpi, cpi->sf.lpf_pick);
2757
2758     vpx_usec_timer_mark(&timer);
2759     cpi->time_pick_lpf += vpx_usec_timer_elapsed(&timer);
2760   }
2761
2762   if (lf->filter_level > 0) {
2763     if (cpi->num_workers > 1)
2764       vp9_loop_filter_frame_mt(cm->frame_to_show, cm, xd->plane,
2765                                lf->filter_level, 0, 0,
2766                                cpi->workers, cpi->num_workers,
2767                                &cpi->lf_row_sync);
2768     else
2769       vp9_loop_filter_frame(cm->frame_to_show, cm, xd, lf->filter_level, 0, 0);
2770   }
2771
2772   vpx_extend_frame_inner_borders(cm->frame_to_show);
2773 }
2774
2775 static INLINE void alloc_frame_mvs(const VP9_COMMON *cm,
2776                                    int buffer_idx) {
2777   RefCntBuffer *const new_fb_ptr = &cm->buffer_pool->frame_bufs[buffer_idx];
2778   if (new_fb_ptr->mvs == NULL ||
2779       new_fb_ptr->mi_rows < cm->mi_rows ||
2780       new_fb_ptr->mi_cols < cm->mi_cols) {
2781     vpx_free(new_fb_ptr->mvs);
2782     new_fb_ptr->mvs =
2783       (MV_REF *)vpx_calloc(cm->mi_rows * cm->mi_cols,
2784                            sizeof(*new_fb_ptr->mvs));
2785     new_fb_ptr->mi_rows = cm->mi_rows;
2786     new_fb_ptr->mi_cols = cm->mi_cols;
2787   }
2788 }
2789
2790 void vp9_scale_references(VP9_COMP *cpi) {
2791   VP9_COMMON *cm = &cpi->common;
2792   MV_REFERENCE_FRAME ref_frame;
2793   const VP9_REFFRAME ref_mask[3] = {VP9_LAST_FLAG, VP9_GOLD_FLAG, VP9_ALT_FLAG};
2794
2795   for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
2796     // Need to convert from VP9_REFFRAME to index into ref_mask (subtract 1).
2797     if (cpi->ref_frame_flags & ref_mask[ref_frame - 1]) {
2798       BufferPool *const pool = cm->buffer_pool;
2799       const YV12_BUFFER_CONFIG *const ref = get_ref_frame_buffer(cpi,
2800                                                                  ref_frame);
2801
2802       if (ref == NULL) {
2803         cpi->scaled_ref_idx[ref_frame - 1] = INVALID_IDX;
2804         continue;
2805       }
2806
2807 #if CONFIG_VP9_HIGHBITDEPTH
2808       if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) {
2809         RefCntBuffer *new_fb_ptr = NULL;
2810         int force_scaling = 0;
2811         int new_fb = cpi->scaled_ref_idx[ref_frame - 1];
2812         if (new_fb == INVALID_IDX) {
2813           new_fb = get_free_fb(cm);
2814           force_scaling = 1;
2815         }
2816         if (new_fb == INVALID_IDX)
2817           return;
2818         new_fb_ptr = &pool->frame_bufs[new_fb];
2819         if (force_scaling ||
2820             new_fb_ptr->buf.y_crop_width != cm->width ||
2821             new_fb_ptr->buf.y_crop_height != cm->height) {
2822           vpx_realloc_frame_buffer(&new_fb_ptr->buf,
2823                                    cm->width, cm->height,
2824                                    cm->subsampling_x, cm->subsampling_y,
2825                                    cm->use_highbitdepth,
2826                                    VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
2827                                    NULL, NULL, NULL);
2828           scale_and_extend_frame(ref, &new_fb_ptr->buf, (int)cm->bit_depth);
2829           cpi->scaled_ref_idx[ref_frame - 1] = new_fb;
2830           alloc_frame_mvs(cm, new_fb);
2831         }
2832 #else
2833       if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) {
2834         RefCntBuffer *new_fb_ptr = NULL;
2835         int force_scaling = 0;
2836         int new_fb = cpi->scaled_ref_idx[ref_frame - 1];
2837         if (new_fb == INVALID_IDX) {
2838           new_fb = get_free_fb(cm);
2839           force_scaling = 1;
2840         }
2841         if (new_fb == INVALID_IDX)
2842           return;
2843         new_fb_ptr = &pool->frame_bufs[new_fb];
2844         if (force_scaling ||
2845             new_fb_ptr->buf.y_crop_width != cm->width ||
2846             new_fb_ptr->buf.y_crop_height != cm->height) {
2847           vpx_realloc_frame_buffer(&new_fb_ptr->buf,
2848                                    cm->width, cm->height,
2849                                    cm->subsampling_x, cm->subsampling_y,
2850                                    VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
2851                                    NULL, NULL, NULL);
2852           scale_and_extend_frame(ref, &new_fb_ptr->buf);
2853           cpi->scaled_ref_idx[ref_frame - 1] = new_fb;
2854           alloc_frame_mvs(cm, new_fb);
2855         }
2856 #endif  // CONFIG_VP9_HIGHBITDEPTH
2857       } else {
2858         const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame);
2859         RefCntBuffer *const buf = &pool->frame_bufs[buf_idx];
2860         buf->buf.y_crop_width = ref->y_crop_width;
2861         buf->buf.y_crop_height = ref->y_crop_height;
2862         cpi->scaled_ref_idx[ref_frame - 1] = buf_idx;
2863         ++buf->ref_count;
2864       }
2865     } else {
2866       if (cpi->oxcf.pass != 0 || cpi->use_svc)
2867         cpi->scaled_ref_idx[ref_frame - 1] = INVALID_IDX;
2868     }
2869   }
2870 }
2871
2872 static void release_scaled_references(VP9_COMP *cpi) {
2873   VP9_COMMON *cm = &cpi->common;
2874   int i;
2875   if (cpi->oxcf.pass == 0 && !cpi->use_svc) {
2876     // Only release scaled references under certain conditions:
2877     // if reference will be updated, or if scaled reference has same resolution.
2878     int refresh[3];
2879     refresh[0] = (cpi->refresh_last_frame) ? 1 : 0;
2880     refresh[1] = (cpi->refresh_golden_frame) ? 1 : 0;
2881     refresh[2] = (cpi->refresh_alt_ref_frame) ? 1 : 0;
2882     for (i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
2883       const int idx = cpi->scaled_ref_idx[i - 1];
2884       RefCntBuffer *const buf = idx != INVALID_IDX ?
2885           &cm->buffer_pool->frame_bufs[idx] : NULL;
2886       const YV12_BUFFER_CONFIG *const ref = get_ref_frame_buffer(cpi, i);
2887       if (buf != NULL &&
2888           (refresh[i - 1] ||
2889           (buf->buf.y_crop_width == ref->y_crop_width &&
2890            buf->buf.y_crop_height == ref->y_crop_height))) {
2891         --buf->ref_count;
2892         cpi->scaled_ref_idx[i -1] = INVALID_IDX;
2893       }
2894     }
2895   } else {
2896     for (i = 0; i < MAX_REF_FRAMES; ++i) {
2897       const int idx = cpi->scaled_ref_idx[i];
2898       RefCntBuffer *const buf = idx != INVALID_IDX ?
2899           &cm->buffer_pool->frame_bufs[idx] : NULL;
2900       if (buf != NULL) {
2901         --buf->ref_count;
2902         cpi->scaled_ref_idx[i] = INVALID_IDX;
2903       }
2904     }
2905   }
2906 }
2907
2908 static void full_to_model_count(unsigned int *model_count,
2909                                 unsigned int *full_count) {
2910   int n;
2911   model_count[ZERO_TOKEN] = full_count[ZERO_TOKEN];
2912   model_count[ONE_TOKEN] = full_count[ONE_TOKEN];
2913   model_count[TWO_TOKEN] = full_count[TWO_TOKEN];
2914   for (n = THREE_TOKEN; n < EOB_TOKEN; ++n)
2915     model_count[TWO_TOKEN] += full_count[n];
2916   model_count[EOB_MODEL_TOKEN] = full_count[EOB_TOKEN];
2917 }
2918
2919 static void full_to_model_counts(vp9_coeff_count_model *model_count,
2920                                  vp9_coeff_count *full_count) {
2921   int i, j, k, l;
2922
2923   for (i = 0; i < PLANE_TYPES; ++i)
2924     for (j = 0; j < REF_TYPES; ++j)
2925       for (k = 0; k < COEF_BANDS; ++k)
2926         for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l)
2927           full_to_model_count(model_count[i][j][k][l], full_count[i][j][k][l]);
2928 }
2929
2930 #if 0 && CONFIG_INTERNAL_STATS
2931 static void output_frame_level_debug_stats(VP9_COMP *cpi) {
2932   VP9_COMMON *const cm = &cpi->common;
2933   FILE *const f = fopen("tmp.stt", cm->current_video_frame ? "a" : "w");
2934   int64_t recon_err;
2935
2936   vpx_clear_system_state();
2937
2938   recon_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
2939
2940   if (cpi->twopass.total_left_stats.coded_error != 0.0)
2941     fprintf(f, "%10u %dx%d %d %d %10d %10d %10d %10d"
2942        "%10"PRId64" %10"PRId64" %5d %5d %10"PRId64" "
2943        "%10"PRId64" %10"PRId64" %10d "
2944        "%7.2lf %7.2lf %7.2lf %7.2lf %7.2lf"
2945         "%6d %6d %5d %5d %5d "
2946         "%10"PRId64" %10.3lf"
2947         "%10lf %8u %10"PRId64" %10d %10d %10d\n",
2948         cpi->common.current_video_frame,
2949         cm->width, cm->height,
2950         cpi->rc.source_alt_ref_pending,
2951         cpi->rc.source_alt_ref_active,
2952         cpi->rc.this_frame_target,
2953         cpi->rc.projected_frame_size,
2954         cpi->rc.projected_frame_size / cpi->common.MBs,
2955         (cpi->rc.projected_frame_size - cpi->rc.this_frame_target),
2956         cpi->rc.vbr_bits_off_target,
2957         cpi->rc.vbr_bits_off_target_fast,
2958         cpi->twopass.extend_minq,
2959         cpi->twopass.extend_minq_fast,
2960         cpi->rc.total_target_vs_actual,
2961         (cpi->rc.starting_buffer_level - cpi->rc.bits_off_target),
2962         cpi->rc.total_actual_bits, cm->base_qindex,
2963         vp9_convert_qindex_to_q(cm->base_qindex, cm->bit_depth),
2964         (double)vp9_dc_quant(cm->base_qindex, 0, cm->bit_depth) / 4.0,
2965         vp9_convert_qindex_to_q(cpi->twopass.active_worst_quality,
2966                                 cm->bit_depth),
2967         cpi->rc.avg_q,
2968         vp9_convert_qindex_to_q(cpi->oxcf.cq_level, cm->bit_depth),
2969         cpi->refresh_last_frame, cpi->refresh_golden_frame,
2970         cpi->refresh_alt_ref_frame, cm->frame_type, cpi->rc.gfu_boost,
2971         cpi->twopass.bits_left,
2972         cpi->twopass.total_left_stats.coded_error,
2973         cpi->twopass.bits_left /
2974             (1 + cpi->twopass.total_left_stats.coded_error),
2975         cpi->tot_recode_hits, recon_err, cpi->rc.kf_boost,
2976         cpi->twopass.kf_zeromotion_pct,
2977         cpi->twopass.fr_content_type);
2978
2979   fclose(f);
2980
2981   if (0) {
2982     FILE *const fmodes = fopen("Modes.stt", "a");
2983     int i;
2984
2985     fprintf(fmodes, "%6d:%1d:%1d:%1d ", cpi->common.current_video_frame,
2986             cm->frame_type, cpi->refresh_golden_frame,
2987             cpi->refresh_alt_ref_frame);
2988
2989     for (i = 0; i < MAX_MODES; ++i)
2990       fprintf(fmodes, "%5d ", cpi->mode_chosen_counts[i]);
2991
2992     fprintf(fmodes, "\n");
2993
2994     fclose(fmodes);
2995   }
2996 }
2997 #endif
2998
2999 static void set_mv_search_params(VP9_COMP *cpi) {
3000   const VP9_COMMON *const cm = &cpi->common;
3001   const unsigned int max_mv_def = VPXMIN(cm->width, cm->height);
3002
3003   // Default based on max resolution.
3004   cpi->mv_step_param = vp9_init_search_range(max_mv_def);
3005
3006   if (cpi->sf.mv.auto_mv_step_size) {
3007     if (frame_is_intra_only(cm)) {
3008       // Initialize max_mv_magnitude for use in the first INTER frame
3009       // after a key/intra-only frame.
3010       cpi->max_mv_magnitude = max_mv_def;
3011     } else {
3012       if (cm->show_frame) {
3013         // Allow mv_steps to correspond to twice the max mv magnitude found
3014         // in the previous frame, capped by the default max_mv_magnitude based
3015         // on resolution.
3016         cpi->mv_step_param = vp9_init_search_range(
3017             VPXMIN(max_mv_def, 2 * cpi->max_mv_magnitude));
3018       }
3019       cpi->max_mv_magnitude = 0;
3020     }
3021   }
3022 }
3023
3024 static void set_size_independent_vars(VP9_COMP *cpi) {
3025   vp9_set_speed_features_framesize_independent(cpi);
3026   vp9_set_rd_speed_thresholds(cpi);
3027   vp9_set_rd_speed_thresholds_sub8x8(cpi);
3028   cpi->common.interp_filter = cpi->sf.default_interp_filter;
3029 }
3030
3031 static void set_size_dependent_vars(VP9_COMP *cpi, int *q,
3032                                     int *bottom_index, int *top_index) {
3033   VP9_COMMON *const cm = &cpi->common;
3034   const VP9EncoderConfig *const oxcf = &cpi->oxcf;
3035
3036   // Setup variables that depend on the dimensions of the frame.
3037   vp9_set_speed_features_framesize_dependent(cpi);
3038
3039   // Decide q and q bounds.
3040   *q = vp9_rc_pick_q_and_bounds(cpi, bottom_index, top_index);
3041
3042   if (!frame_is_intra_only(cm)) {
3043     vp9_set_high_precision_mv(cpi, (*q) < HIGH_PRECISION_MV_QTHRESH);
3044   }
3045
3046   // Configure experimental use of segmentation for enhanced coding of
3047   // static regions if indicated.
3048   // Only allowed in the second pass of a two pass encode, as it requires
3049   // lagged coding, and if the relevant speed feature flag is set.
3050   if (oxcf->pass == 2 && cpi->sf.static_segmentation)
3051     configure_static_seg_features(cpi);
3052
3053 #if CONFIG_VP9_POSTPROC
3054   if (oxcf->noise_sensitivity > 0) {
3055     int l = 0;
3056     switch (oxcf->noise_sensitivity) {
3057       case 1:
3058         l = 20;
3059         break;
3060       case 2:
3061         l = 40;
3062         break;
3063       case 3:
3064         l = 60;
3065         break;
3066       case 4:
3067       case 5:
3068         l = 100;
3069         break;
3070       case 6:
3071         l = 150;
3072         break;
3073     }
3074     vp9_denoise(cpi->Source, cpi->Source, l);
3075   }
3076 #endif  // CONFIG_VP9_POSTPROC
3077 }
3078
3079 static void init_motion_estimation(VP9_COMP *cpi) {
3080   int y_stride = cpi->scaled_source.y_stride;
3081
3082   if (cpi->sf.mv.search_method == NSTEP) {
3083     vp9_init3smotion_compensation(&cpi->ss_cfg, y_stride);
3084   } else if (cpi->sf.mv.search_method == DIAMOND) {
3085     vp9_init_dsmotion_compensation(&cpi->ss_cfg, y_stride);
3086   }
3087 }
3088
3089 static void set_frame_size(VP9_COMP *cpi) {
3090   int ref_frame;
3091   VP9_COMMON *const cm = &cpi->common;
3092   VP9EncoderConfig *const oxcf = &cpi->oxcf;
3093   MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
3094
3095   if (oxcf->pass == 2 &&
3096       oxcf->rc_mode == VPX_VBR &&
3097       ((oxcf->resize_mode == RESIZE_FIXED && cm->current_video_frame == 0) ||
3098         (oxcf->resize_mode == RESIZE_DYNAMIC && cpi->resize_pending))) {
3099     calculate_coded_size(
3100         cpi, &oxcf->scaled_frame_width, &oxcf->scaled_frame_height);
3101
3102     // There has been a change in frame size.
3103     vp9_set_size_literal(cpi, oxcf->scaled_frame_width,
3104                          oxcf->scaled_frame_height);
3105   }
3106
3107   if (oxcf->pass == 0 &&
3108       oxcf->rc_mode == VPX_CBR &&
3109       !cpi->use_svc &&
3110       oxcf->resize_mode == RESIZE_DYNAMIC) {
3111       if (cpi->resize_pending == 1) {
3112         oxcf->scaled_frame_width =
3113             (cm->width * cpi->resize_scale_num) / cpi->resize_scale_den;
3114         oxcf->scaled_frame_height =
3115             (cm->height * cpi->resize_scale_num) /cpi->resize_scale_den;
3116       } else if (cpi->resize_pending == -1) {
3117         // Go back up to original size.
3118         oxcf->scaled_frame_width = oxcf->width;
3119         oxcf->scaled_frame_height = oxcf->height;
3120       }
3121       if (cpi->resize_pending != 0) {
3122         // There has been a change in frame size.
3123         vp9_set_size_literal(cpi,
3124                              oxcf->scaled_frame_width,
3125                              oxcf->scaled_frame_height);
3126
3127         // TODO(agrange) Scale cpi->max_mv_magnitude if frame-size has changed.
3128         set_mv_search_params(cpi);
3129       }
3130   }
3131
3132   if ((oxcf->pass == 2) &&
3133       (!cpi->use_svc ||
3134           (is_two_pass_svc(cpi) &&
3135               cpi->svc.encode_empty_frame_state != ENCODING))) {
3136     vp9_set_target_rate(cpi);
3137   }
3138
3139   alloc_frame_mvs(cm, cm->new_fb_idx);
3140
3141   // Reset the frame pointers to the current frame size.
3142   vpx_realloc_frame_buffer(get_frame_new_buffer(cm),
3143                            cm->width, cm->height,
3144                            cm->subsampling_x, cm->subsampling_y,
3145 #if CONFIG_VP9_HIGHBITDEPTH
3146                            cm->use_highbitdepth,
3147 #endif
3148                            VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
3149                            NULL, NULL, NULL);
3150
3151   alloc_util_frame_buffers(cpi);
3152   init_motion_estimation(cpi);
3153
3154   for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
3155     RefBuffer *const ref_buf = &cm->frame_refs[ref_frame - 1];
3156     const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame);
3157
3158     ref_buf->idx = buf_idx;
3159
3160     if (buf_idx != INVALID_IDX) {
3161       YV12_BUFFER_CONFIG *const buf = &cm->buffer_pool->frame_bufs[buf_idx].buf;
3162       ref_buf->buf = buf;
3163 #if CONFIG_VP9_HIGHBITDEPTH
3164       vp9_setup_scale_factors_for_frame(&ref_buf->sf,
3165                                         buf->y_crop_width, buf->y_crop_height,
3166                                         cm->width, cm->height,
3167                                         (buf->flags & YV12_FLAG_HIGHBITDEPTH) ?
3168                                             1 : 0);
3169 #else
3170       vp9_setup_scale_factors_for_frame(&ref_buf->sf,
3171                                         buf->y_crop_width, buf->y_crop_height,
3172                                         cm->width, cm->height);
3173 #endif  // CONFIG_VP9_HIGHBITDEPTH
3174       if (vp9_is_scaled(&ref_buf->sf))
3175         vpx_extend_frame_borders(buf);
3176     } else {
3177       ref_buf->buf = NULL;
3178     }
3179   }
3180
3181   set_ref_ptrs(cm, xd, LAST_FRAME, LAST_FRAME);
3182 }
3183
3184 static void encode_without_recode_loop(VP9_COMP *cpi,
3185                                        size_t *size,
3186                                        uint8_t *dest) {
3187   VP9_COMMON *const cm = &cpi->common;
3188   int q = 0, bottom_index = 0, top_index = 0;  // Dummy variables.
3189
3190   vpx_clear_system_state();
3191
3192   set_frame_size(cpi);
3193
3194   cpi->Source = vp9_scale_if_required(cm,
3195                                       cpi->un_scaled_source,
3196                                       &cpi->scaled_source);
3197   if (cpi->unscaled_last_source != NULL)
3198     cpi->Last_Source = vp9_scale_if_required(cm,
3199                                              cpi->unscaled_last_source,
3200                                              &cpi->scaled_last_source);
3201
3202   if (cpi->oxcf.pass == 0 &&
3203       cpi->oxcf.rc_mode == VPX_CBR &&
3204       cpi->resize_state == 0 &&
3205       cm->frame_type != KEY_FRAME &&
3206       cpi->oxcf.content == VP9E_CONTENT_SCREEN)
3207     vp9_avg_source_sad(cpi);
3208
3209   if (frame_is_intra_only(cm) == 0) {
3210     vp9_scale_references(cpi);
3211   }
3212
3213   set_size_independent_vars(cpi);
3214   set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
3215
3216   vp9_set_quantizer(cm, q);
3217   vp9_set_variance_partition_thresholds(cpi, q);
3218
3219   setup_frame(cpi);
3220
3221   suppress_active_map(cpi);
3222   // Variance adaptive and in frame q adjustment experiments are mutually
3223   // exclusive.
3224   if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
3225     vp9_vaq_frame_setup(cpi);
3226   } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
3227     vp9_setup_in_frame_q_adj(cpi);
3228   } else if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
3229     vp9_cyclic_refresh_setup(cpi);
3230   }
3231   apply_active_map(cpi);
3232
3233   // transform / motion compensation build reconstruction frame
3234   vp9_encode_frame(cpi);
3235
3236   // Check if we should drop this frame because of high overshoot.
3237   // Only for frames where high temporal-source sad is detected.
3238   if (cpi->oxcf.pass == 0 &&
3239       cpi->oxcf.rc_mode == VPX_CBR &&
3240       cpi->resize_state == 0 &&
3241       cm->frame_type != KEY_FRAME &&
3242       cpi->oxcf.content == VP9E_CONTENT_SCREEN &&
3243       cpi->rc.high_source_sad == 1) {
3244     int frame_size = 0;
3245     // Get an estimate of the encoded frame size.
3246     save_coding_context(cpi);
3247     vp9_pack_bitstream(cpi, dest, size);
3248     restore_coding_context(cpi);
3249     frame_size = (int)(*size) << 3;
3250     // Check if encoded frame will overshoot too much, and if so, set the q and
3251     // adjust some rate control parameters, and return to re-encode the frame.
3252     if (vp9_encodedframe_overshoot(cpi, frame_size, &q)) {
3253       vpx_clear_system_state();
3254       vp9_set_quantizer(cm, q);
3255       vp9_set_variance_partition_thresholds(cpi, q);
3256       suppress_active_map(cpi);
3257       // Turn-off cyclic refresh for re-encoded frame.
3258       if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
3259         unsigned char *const seg_map = cpi->segmentation_map;
3260         memset(seg_map, 0, cm->mi_rows * cm->mi_cols);
3261         vp9_disable_segmentation(&cm->seg);
3262       }
3263       apply_active_map(cpi);
3264       vp9_encode_frame(cpi);
3265     }
3266   }
3267
3268   // Update some stats from cyclic refresh, and check if we should not update
3269   // golden reference, for non-SVC 1 pass CBR.
3270   if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ &&
3271       cm->frame_type != KEY_FRAME &&
3272       !cpi->use_svc &&
3273       (cpi->oxcf.pass == 0 && cpi->oxcf.rc_mode == VPX_CBR))
3274     vp9_cyclic_refresh_check_golden_update(cpi);
3275
3276   // Update the skip mb flag probabilities based on the distribution
3277   // seen in the last encoder iteration.
3278   // update_base_skip_probs(cpi);
3279   vpx_clear_system_state();
3280 }
3281
3282 static void encode_with_recode_loop(VP9_COMP *cpi,
3283                                     size_t *size,
3284                                     uint8_t *dest) {
3285   VP9_COMMON *const cm = &cpi->common;
3286   RATE_CONTROL *const rc = &cpi->rc;
3287   int bottom_index, top_index;
3288   int loop_count = 0;
3289   int loop_at_this_size = 0;
3290   int loop = 0;
3291   int overshoot_seen = 0;
3292   int undershoot_seen = 0;
3293   int frame_over_shoot_limit;
3294   int frame_under_shoot_limit;
3295   int q = 0, q_low = 0, q_high = 0;
3296
3297   set_size_independent_vars(cpi);
3298
3299   do {
3300     vpx_clear_system_state();
3301
3302     set_frame_size(cpi);
3303
3304     if (loop_count == 0 || cpi->resize_pending != 0) {
3305       set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
3306
3307       // TODO(agrange) Scale cpi->max_mv_magnitude if frame-size has changed.
3308       set_mv_search_params(cpi);
3309
3310       // Reset the loop state for new frame size.
3311       overshoot_seen = 0;
3312       undershoot_seen = 0;
3313
3314       // Reconfiguration for change in frame size has concluded.
3315       cpi->resize_pending = 0;
3316
3317       q_low = bottom_index;
3318       q_high = top_index;
3319
3320       loop_at_this_size = 0;
3321     }
3322
3323     // Decide frame size bounds first time through.
3324     if (loop_count == 0) {
3325       vp9_rc_compute_frame_size_bounds(cpi, rc->this_frame_target,
3326                                        &frame_under_shoot_limit,
3327                                        &frame_over_shoot_limit);
3328     }
3329
3330     cpi->Source = vp9_scale_if_required(cm, cpi->un_scaled_source,
3331                                       &cpi->scaled_source);
3332
3333     if (cpi->unscaled_last_source != NULL)
3334       cpi->Last_Source = vp9_scale_if_required(cm, cpi->unscaled_last_source,
3335                                                &cpi->scaled_last_source);
3336
3337     if (frame_is_intra_only(cm) == 0) {
3338       if (loop_count > 0) {
3339         release_scaled_references(cpi);
3340       }
3341       vp9_scale_references(cpi);
3342     }
3343
3344     vp9_set_quantizer(cm, q);
3345
3346     if (loop_count == 0)
3347       setup_frame(cpi);
3348
3349     // Variance adaptive and in frame q adjustment experiments are mutually
3350     // exclusive.
3351     if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
3352       vp9_vaq_frame_setup(cpi);
3353     } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
3354       vp9_setup_in_frame_q_adj(cpi);
3355     }
3356
3357     // transform / motion compensation build reconstruction frame
3358     vp9_encode_frame(cpi);
3359
3360     // Update the skip mb flag probabilities based on the distribution
3361     // seen in the last encoder iteration.
3362     // update_base_skip_probs(cpi);
3363
3364     vpx_clear_system_state();
3365
3366     // Dummy pack of the bitstream using up to date stats to get an
3367     // accurate estimate of output frame size to determine if we need
3368     // to recode.
3369     if (cpi->sf.recode_loop >= ALLOW_RECODE_KFARFGF) {
3370       save_coding_context(cpi);
3371       if (!cpi->sf.use_nonrd_pick_mode)
3372         vp9_pack_bitstream(cpi, dest, size);
3373
3374       rc->projected_frame_size = (int)(*size) << 3;
3375       restore_coding_context(cpi);
3376
3377       if (frame_over_shoot_limit == 0)
3378         frame_over_shoot_limit = 1;
3379     }
3380
3381     if (cpi->oxcf.rc_mode == VPX_Q) {
3382       loop = 0;
3383     } else {
3384       if ((cm->frame_type == KEY_FRAME) &&
3385            rc->this_key_frame_forced &&
3386            (rc->projected_frame_size < rc->max_frame_bandwidth)) {
3387         int last_q = q;
3388         int64_t kf_err;
3389
3390         int64_t high_err_target = cpi->ambient_err;
3391         int64_t low_err_target = cpi->ambient_err >> 1;
3392
3393 #if CONFIG_VP9_HIGHBITDEPTH
3394         if (cm->use_highbitdepth) {
3395           kf_err = vp9_highbd_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3396         } else {
3397           kf_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3398         }
3399 #else
3400         kf_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3401 #endif  // CONFIG_VP9_HIGHBITDEPTH
3402
3403         // Prevent possible divide by zero error below for perfect KF
3404         kf_err += !kf_err;
3405
3406         // The key frame is not good enough or we can afford
3407         // to make it better without undue risk of popping.
3408         if ((kf_err > high_err_target &&
3409              rc->projected_frame_size <= frame_over_shoot_limit) ||
3410             (kf_err > low_err_target &&
3411              rc->projected_frame_size <= frame_under_shoot_limit)) {
3412           // Lower q_high
3413           q_high = q > q_low ? q - 1 : q_low;
3414
3415           // Adjust Q
3416           q = (int)((q * high_err_target) / kf_err);
3417           q = VPXMIN(q, (q_high + q_low) >> 1);
3418         } else if (kf_err < low_err_target &&
3419                    rc->projected_frame_size >= frame_under_shoot_limit) {
3420           // The key frame is much better than the previous frame
3421           // Raise q_low
3422           q_low = q < q_high ? q + 1 : q_high;
3423
3424           // Adjust Q
3425           q = (int)((q * low_err_target) / kf_err);
3426           q = VPXMIN(q, (q_high + q_low + 1) >> 1);
3427         }
3428
3429         // Clamp Q to upper and lower limits:
3430         q = clamp(q, q_low, q_high);
3431
3432         loop = q != last_q;
3433       } else if (recode_loop_test(
3434           cpi, frame_over_shoot_limit, frame_under_shoot_limit,
3435           q, VPXMAX(q_high, top_index), bottom_index)) {
3436         // Is the projected frame size out of range and are we allowed
3437         // to attempt to recode.
3438         int last_q = q;
3439         int retries = 0;
3440
3441         if (cpi->resize_pending == 1) {
3442           // Change in frame size so go back around the recode loop.
3443           cpi->rc.frame_size_selector =
3444               SCALE_STEP1 - cpi->rc.frame_size_selector;
3445           cpi->rc.next_frame_size_selector = cpi->rc.frame_size_selector;
3446
3447 #if CONFIG_INTERNAL_STATS
3448           ++cpi->tot_recode_hits;
3449 #endif
3450           ++loop_count;
3451           loop = 1;
3452           continue;
3453         }
3454
3455         // Frame size out of permitted range:
3456         // Update correction factor & compute new Q to try...
3457
3458         // Frame is too large
3459         if (rc->projected_frame_size > rc->this_frame_target) {
3460           // Special case if the projected size is > the max allowed.
3461           if (rc->projected_frame_size >= rc->max_frame_bandwidth)
3462             q_high = rc->worst_quality;
3463
3464           // Raise Qlow as to at least the current value
3465           q_low = q < q_high ? q + 1 : q_high;
3466
3467           if (undershoot_seen || loop_at_this_size > 1) {
3468             // Update rate_correction_factor unless
3469             vp9_rc_update_rate_correction_factors(cpi);
3470
3471             q = (q_high + q_low + 1) / 2;
3472           } else {
3473             // Update rate_correction_factor unless
3474             vp9_rc_update_rate_correction_factors(cpi);
3475
3476             q = vp9_rc_regulate_q(cpi, rc->this_frame_target,
3477                                   bottom_index, VPXMAX(q_high, top_index));
3478
3479             while (q < q_low && retries < 10) {
3480               vp9_rc_update_rate_correction_factors(cpi);
3481               q = vp9_rc_regulate_q(cpi, rc->this_frame_target,
3482                                     bottom_index, VPXMAX(q_high, top_index));
3483               retries++;
3484             }
3485           }
3486
3487           overshoot_seen = 1;
3488         } else {
3489           // Frame is too small
3490           q_high = q > q_low ? q - 1 : q_low;
3491
3492           if (overshoot_seen || loop_at_this_size > 1) {
3493             vp9_rc_update_rate_correction_factors(cpi);
3494             q = (q_high + q_low) / 2;
3495           } else {
3496             vp9_rc_update_rate_correction_factors(cpi);
3497             q = vp9_rc_regulate_q(cpi, rc->this_frame_target,
3498                                    bottom_index, top_index);
3499             // Special case reset for qlow for constrained quality.
3500             // This should only trigger where there is very substantial
3501             // undershoot on a frame and the auto cq level is above
3502             // the user passsed in value.
3503             if (cpi->oxcf.rc_mode == VPX_CQ &&
3504                 q < q_low) {
3505               q_low = q;
3506             }
3507
3508             while (q > q_high && retries < 10) {
3509               vp9_rc_update_rate_correction_factors(cpi);
3510               q = vp9_rc_regulate_q(cpi, rc->this_frame_target,
3511                                      bottom_index, top_index);
3512               retries++;
3513             }
3514           }
3515
3516           undershoot_seen = 1;
3517         }
3518
3519         // Clamp Q to upper and lower limits:
3520         q = clamp(q, q_low, q_high);
3521
3522         loop = (q != last_q);
3523       } else {
3524         loop = 0;
3525       }
3526     }
3527
3528     // Special case for overlay frame.
3529     if (rc->is_src_frame_alt_ref &&
3530         rc->projected_frame_size < rc->max_frame_bandwidth)
3531       loop = 0;
3532
3533     if (loop) {
3534       ++loop_count;
3535       ++loop_at_this_size;
3536
3537 #if CONFIG_INTERNAL_STATS
3538       ++cpi->tot_recode_hits;
3539 #endif
3540     }
3541   } while (loop);
3542 }
3543
3544 static int get_ref_frame_flags(const VP9_COMP *cpi) {
3545   const int *const map = cpi->common.ref_frame_map;
3546   const int gold_is_last = map[cpi->gld_fb_idx] == map[cpi->lst_fb_idx];
3547   const int alt_is_last = map[cpi->alt_fb_idx] == map[cpi->lst_fb_idx];
3548   const int gold_is_alt = map[cpi->gld_fb_idx] == map[cpi->alt_fb_idx];
3549   int flags = VP9_ALT_FLAG | VP9_GOLD_FLAG | VP9_LAST_FLAG;
3550
3551   if (gold_is_last)
3552     flags &= ~VP9_GOLD_FLAG;
3553
3554   if (cpi->rc.frames_till_gf_update_due == INT_MAX &&
3555       (cpi->svc.number_temporal_layers == 1 &&
3556        cpi->svc.number_spatial_layers == 1))
3557     flags &= ~VP9_GOLD_FLAG;
3558
3559   if (alt_is_last)
3560     flags &= ~VP9_ALT_FLAG;
3561
3562   if (gold_is_alt)
3563     flags &= ~VP9_ALT_FLAG;
3564
3565   return flags;
3566 }
3567
3568 static void set_ext_overrides(VP9_COMP *cpi) {
3569   // Overrides the defaults with the externally supplied values with
3570   // vp9_update_reference() and vp9_update_entropy() calls
3571   // Note: The overrides are valid only for the next frame passed
3572   // to encode_frame_to_data_rate() function
3573   if (cpi->ext_refresh_frame_context_pending) {
3574     cpi->common.refresh_frame_context = cpi->ext_refresh_frame_context;
3575     cpi->ext_refresh_frame_context_pending = 0;
3576   }
3577   if (cpi->ext_refresh_frame_flags_pending) {
3578     cpi->refresh_last_frame = cpi->ext_refresh_last_frame;
3579     cpi->refresh_golden_frame = cpi->ext_refresh_golden_frame;
3580     cpi->refresh_alt_ref_frame = cpi->ext_refresh_alt_ref_frame;
3581     cpi->ext_refresh_frame_flags_pending = 0;
3582   }
3583 }
3584
3585 YV12_BUFFER_CONFIG *vp9_scale_if_required(VP9_COMMON *cm,
3586                                           YV12_BUFFER_CONFIG *unscaled,
3587                                           YV12_BUFFER_CONFIG *scaled) {
3588   if (cm->mi_cols * MI_SIZE != unscaled->y_width ||
3589       cm->mi_rows * MI_SIZE != unscaled->y_height) {
3590 #if CONFIG_VP9_HIGHBITDEPTH
3591     if (unscaled->y_width == (scaled->y_width << 1) &&
3592         unscaled->y_height == (scaled->y_height << 1))
3593       scale_and_extend_frame(unscaled, scaled, (int)cm->bit_depth);
3594     else
3595       scale_and_extend_frame_nonnormative(unscaled, scaled, (int)cm->bit_depth);
3596 #else
3597     // Use the faster normative (convolve8) scaling filter: for now only for
3598     // scaling factor of 2.
3599     if (unscaled->y_width == (scaled->y_width << 1) &&
3600         unscaled->y_height == (scaled->y_height << 1))
3601       scale_and_extend_frame(unscaled, scaled);
3602     else
3603       scale_and_extend_frame_nonnormative(unscaled, scaled);
3604 #endif  // CONFIG_VP9_HIGHBITDEPTH
3605     return scaled;
3606   } else {
3607     return unscaled;
3608   }
3609 }
3610
3611 static void set_arf_sign_bias(VP9_COMP *cpi) {
3612   VP9_COMMON *const cm = &cpi->common;
3613   int arf_sign_bias;
3614
3615   if ((cpi->oxcf.pass == 2) && cpi->multi_arf_allowed) {
3616     const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
3617     arf_sign_bias = cpi->rc.source_alt_ref_active &&
3618                     (!cpi->refresh_alt_ref_frame ||
3619                      (gf_group->rf_level[gf_group->index] == GF_ARF_LOW));
3620   } else {
3621     arf_sign_bias =
3622       (cpi->rc.source_alt_ref_active && !cpi->refresh_alt_ref_frame);
3623   }
3624   cm->ref_frame_sign_bias[ALTREF_FRAME] = arf_sign_bias;
3625 }
3626
3627 static int setup_interp_filter_search_mask(VP9_COMP *cpi) {
3628   INTERP_FILTER ifilter;
3629   int ref_total[MAX_REF_FRAMES] = {0};
3630   MV_REFERENCE_FRAME ref;
3631   int mask = 0;
3632   if (cpi->common.last_frame_type == KEY_FRAME ||
3633       cpi->refresh_alt_ref_frame)
3634     return mask;
3635   for (ref = LAST_FRAME; ref <= ALTREF_FRAME; ++ref)
3636     for (ifilter = EIGHTTAP; ifilter <= EIGHTTAP_SHARP; ++ifilter)
3637       ref_total[ref] += cpi->interp_filter_selected[ref][ifilter];
3638
3639   for (ifilter = EIGHTTAP; ifilter <= EIGHTTAP_SHARP; ++ifilter) {
3640     if ((ref_total[LAST_FRAME] &&
3641         cpi->interp_filter_selected[LAST_FRAME][ifilter] == 0) &&
3642         (ref_total[GOLDEN_FRAME] == 0 ||
3643          cpi->interp_filter_selected[GOLDEN_FRAME][ifilter] * 50
3644            < ref_total[GOLDEN_FRAME]) &&
3645         (ref_total[ALTREF_FRAME] == 0 ||
3646          cpi->interp_filter_selected[ALTREF_FRAME][ifilter] * 50
3647            < ref_total[ALTREF_FRAME]))
3648       mask |= 1 << ifilter;
3649   }
3650   return mask;
3651 }
3652
3653 static void encode_frame_to_data_rate(VP9_COMP *cpi,
3654                                       size_t *size,
3655                                       uint8_t *dest,
3656                                       unsigned int *frame_flags) {
3657   VP9_COMMON *const cm = &cpi->common;
3658   const VP9EncoderConfig *const oxcf = &cpi->oxcf;
3659   struct segmentation *const seg = &cm->seg;
3660   TX_SIZE t;
3661
3662   set_ext_overrides(cpi);
3663   vpx_clear_system_state();
3664
3665   // Set the arf sign bias for this frame.
3666   set_arf_sign_bias(cpi);
3667
3668   // Set default state for segment based loop filter update flags.
3669   cm->lf.mode_ref_delta_update = 0;
3670
3671   if (cpi->oxcf.pass == 2 &&
3672       cpi->sf.adaptive_interp_filter_search)
3673     cpi->sf.interp_filter_search_mask =
3674         setup_interp_filter_search_mask(cpi);
3675
3676   // Set various flags etc to special state if it is a key frame.
3677   if (frame_is_intra_only(cm)) {
3678     // Reset the loop filter deltas and segmentation map.
3679     vp9_reset_segment_features(&cm->seg);
3680
3681     // If segmentation is enabled force a map update for key frames.
3682     if (seg->enabled) {
3683       seg->update_map = 1;
3684       seg->update_data = 1;
3685     }
3686
3687     // The alternate reference frame cannot be active for a key frame.
3688     cpi->rc.source_alt_ref_active = 0;
3689
3690     cm->error_resilient_mode = oxcf->error_resilient_mode;
3691     cm->frame_parallel_decoding_mode = oxcf->frame_parallel_decoding_mode;
3692
3693     // By default, encoder assumes decoder can use prev_mi.
3694     if (cm->error_resilient_mode) {
3695       cm->frame_parallel_decoding_mode = 1;
3696       cm->reset_frame_context = 0;
3697       cm->refresh_frame_context = 0;
3698     } else if (cm->intra_only) {
3699       // Only reset the current context.
3700       cm->reset_frame_context = 2;
3701     }
3702   }
3703   if (is_two_pass_svc(cpi) && cm->error_resilient_mode == 0) {
3704     // Use context 0 for intra only empty frame, but the last frame context
3705     // for other empty frames.
3706     if (cpi->svc.encode_empty_frame_state == ENCODING) {
3707       if (cpi->svc.encode_intra_empty_frame != 0)
3708         cm->frame_context_idx = 0;
3709       else
3710         cm->frame_context_idx = FRAME_CONTEXTS - 1;
3711     } else {
3712     cm->frame_context_idx =
3713         cpi->svc.spatial_layer_id * cpi->svc.number_temporal_layers +
3714         cpi->svc.temporal_layer_id;
3715     }
3716
3717     cm->frame_parallel_decoding_mode = oxcf->frame_parallel_decoding_mode;
3718
3719     // The probs will be updated based on the frame type of its previous
3720     // frame if frame_parallel_decoding_mode is 0. The type may vary for
3721     // the frame after a key frame in base layer since we may drop enhancement
3722     // layers. So set frame_parallel_decoding_mode to 1 in this case.
3723     if (cm->frame_parallel_decoding_mode == 0) {
3724       if (cpi->svc.number_temporal_layers == 1) {
3725         if (cpi->svc.spatial_layer_id == 0 &&
3726             cpi->svc.layer_context[0].last_frame_type == KEY_FRAME)
3727           cm->frame_parallel_decoding_mode = 1;
3728       } else if (cpi->svc.spatial_layer_id == 0) {
3729         // Find the 2nd frame in temporal base layer and 1st frame in temporal
3730         // enhancement layers from the key frame.
3731         int i;
3732         for (i = 0; i < cpi->svc.number_temporal_layers; ++i) {
3733           if (cpi->svc.layer_context[0].frames_from_key_frame == 1 << i) {
3734             cm->frame_parallel_decoding_mode = 1;
3735             break;
3736           }
3737         }
3738       }
3739     }
3740   }
3741
3742   // For 1 pass CBR, check if we are dropping this frame.
3743   // Never drop on key frame.
3744   if (oxcf->pass == 0 &&
3745       oxcf->rc_mode == VPX_CBR &&
3746       cm->frame_type != KEY_FRAME) {
3747     if (vp9_rc_drop_frame(cpi)) {
3748       vp9_rc_postencode_update_drop_frame(cpi);
3749       ++cm->current_video_frame;
3750       return;
3751     }
3752   }
3753
3754   vpx_clear_system_state();
3755
3756 #if CONFIG_INTERNAL_STATS
3757   memset(cpi->mode_chosen_counts, 0,
3758          MAX_MODES * sizeof(*cpi->mode_chosen_counts));
3759 #endif
3760
3761   if (cpi->sf.recode_loop == DISALLOW_RECODE) {
3762     encode_without_recode_loop(cpi, size, dest);
3763   } else {
3764     encode_with_recode_loop(cpi, size, dest);
3765   }
3766
3767 #if CONFIG_VP9_TEMPORAL_DENOISING
3768 #ifdef OUTPUT_YUV_DENOISED
3769   if (oxcf->noise_sensitivity > 0) {
3770     vp9_write_yuv_frame_420(&cpi->denoiser.running_avg_y[INTRA_FRAME],
3771                             yuv_denoised_file);
3772   }
3773 #endif
3774 #endif
3775 #ifdef OUTPUT_YUV_SKINMAP
3776   if (cpi->common.current_video_frame > 1) {
3777     vp9_compute_skin_map(cpi, yuv_skinmap_file);
3778   }
3779 #endif
3780
3781   // Special case code to reduce pulsing when key frames are forced at a
3782   // fixed interval. Note the reconstruction error if it is the frame before
3783   // the force key frame
3784   if (cpi->rc.next_key_frame_forced && cpi->rc.frames_to_key == 1) {
3785 #if CONFIG_VP9_HIGHBITDEPTH
3786     if (cm->use_highbitdepth) {
3787       cpi->ambient_err = vp9_highbd_get_y_sse(cpi->Source,
3788                                               get_frame_new_buffer(cm));
3789     } else {
3790       cpi->ambient_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3791     }
3792 #else
3793     cpi->ambient_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3794 #endif  // CONFIG_VP9_HIGHBITDEPTH
3795   }
3796
3797   // If the encoder forced a KEY_FRAME decision
3798   if (cm->frame_type == KEY_FRAME)
3799     cpi->refresh_last_frame = 1;
3800
3801   cm->frame_to_show = get_frame_new_buffer(cm);
3802
3803   // Pick the loop filter level for the frame.
3804   loopfilter_frame(cpi, cm);
3805
3806   // build the bitstream
3807   vp9_pack_bitstream(cpi, dest, size);
3808
3809   if (cm->seg.update_map)
3810     update_reference_segmentation_map(cpi);
3811
3812   if (frame_is_intra_only(cm) == 0) {
3813     release_scaled_references(cpi);
3814   }
3815   vp9_update_reference_frames(cpi);
3816
3817   for (t = TX_4X4; t <= TX_32X32; t++)
3818     full_to_model_counts(cpi->td.counts->coef[t],
3819                          cpi->td.rd_counts.coef_counts[t]);
3820
3821   if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode)
3822     vp9_adapt_coef_probs(cm);
3823
3824   if (!frame_is_intra_only(cm)) {
3825     if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode) {
3826       vp9_adapt_mode_probs(cm);
3827       vp9_adapt_mv_probs(cm, cm->allow_high_precision_mv);
3828     }
3829   }
3830
3831   if (cpi->refresh_golden_frame == 1)
3832     cpi->frame_flags |= FRAMEFLAGS_GOLDEN;
3833   else
3834     cpi->frame_flags &= ~FRAMEFLAGS_GOLDEN;
3835
3836   if (cpi->refresh_alt_ref_frame == 1)
3837     cpi->frame_flags |= FRAMEFLAGS_ALTREF;
3838   else
3839     cpi->frame_flags &= ~FRAMEFLAGS_ALTREF;
3840
3841   cpi->ref_frame_flags = get_ref_frame_flags(cpi);
3842
3843   cm->last_frame_type = cm->frame_type;
3844
3845   if (!(is_two_pass_svc(cpi) && cpi->svc.encode_empty_frame_state == ENCODING))
3846     vp9_rc_postencode_update(cpi, *size);
3847
3848 #if 0
3849   output_frame_level_debug_stats(cpi);
3850 #endif
3851
3852   if (cm->frame_type == KEY_FRAME) {
3853     // Tell the caller that the frame was coded as a key frame
3854     *frame_flags = cpi->frame_flags | FRAMEFLAGS_KEY;
3855   } else {
3856     *frame_flags = cpi->frame_flags & ~FRAMEFLAGS_KEY;
3857   }
3858
3859   // Clear the one shot update flags for segmentation map and mode/ref loop
3860   // filter deltas.
3861   cm->seg.update_map = 0;
3862   cm->seg.update_data = 0;
3863   cm->lf.mode_ref_delta_update = 0;
3864
3865   // keep track of the last coded dimensions
3866   cm->last_width = cm->width;
3867   cm->last_height = cm->height;
3868
3869   // reset to normal state now that we are done.
3870   if (!cm->show_existing_frame)
3871     cm->last_show_frame = cm->show_frame;
3872
3873   if (cm->show_frame) {
3874     vp9_swap_mi_and_prev_mi(cm);
3875     // Don't increment frame counters if this was an altref buffer
3876     // update not a real frame
3877     ++cm->current_video_frame;
3878     if (cpi->use_svc)
3879       vp9_inc_frame_in_layer(cpi);
3880   }
3881   cm->prev_frame = cm->cur_frame;
3882
3883   if (cpi->use_svc)
3884     cpi->svc.layer_context[cpi->svc.spatial_layer_id *
3885                            cpi->svc.number_temporal_layers +
3886                            cpi->svc.temporal_layer_id].last_frame_type =
3887                                cm->frame_type;
3888 }
3889
3890 static void SvcEncode(VP9_COMP *cpi, size_t *size, uint8_t *dest,
3891                       unsigned int *frame_flags) {
3892   vp9_rc_get_svc_params(cpi);
3893   encode_frame_to_data_rate(cpi, size, dest, frame_flags);
3894 }
3895
3896 static void Pass0Encode(VP9_COMP *cpi, size_t *size, uint8_t *dest,
3897                         unsigned int *frame_flags) {
3898   if (cpi->oxcf.rc_mode == VPX_CBR) {
3899     vp9_rc_get_one_pass_cbr_params(cpi);
3900   } else {
3901     vp9_rc_get_one_pass_vbr_params(cpi);
3902   }
3903   encode_frame_to_data_rate(cpi, size, dest, frame_flags);
3904 }
3905
3906 static void Pass2Encode(VP9_COMP *cpi, size_t *size,
3907                         uint8_t *dest, unsigned int *frame_flags) {
3908   cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
3909   encode_frame_to_data_rate(cpi, size, dest, frame_flags);
3910
3911   if (!(is_two_pass_svc(cpi) && cpi->svc.encode_empty_frame_state == ENCODING))
3912     vp9_twopass_postencode_update(cpi);
3913 }
3914
3915 static void init_ref_frame_bufs(VP9_COMMON *cm) {
3916   int i;
3917   BufferPool *const pool = cm->buffer_pool;
3918   cm->new_fb_idx = INVALID_IDX;
3919   for (i = 0; i < REF_FRAMES; ++i) {
3920     cm->ref_frame_map[i] = INVALID_IDX;
3921     pool->frame_bufs[i].ref_count = 0;
3922   }
3923 }
3924
3925 static void check_initial_width(VP9_COMP *cpi,
3926 #if CONFIG_VP9_HIGHBITDEPTH
3927                                 int use_highbitdepth,
3928 #endif
3929                                 int subsampling_x, int subsampling_y) {
3930   VP9_COMMON *const cm = &cpi->common;
3931
3932   if (!cpi->initial_width ||
3933 #if CONFIG_VP9_HIGHBITDEPTH
3934       cm->use_highbitdepth != use_highbitdepth ||
3935 #endif
3936       cm->subsampling_x != subsampling_x ||
3937       cm->subsampling_y != subsampling_y) {
3938     cm->subsampling_x = subsampling_x;
3939     cm->subsampling_y = subsampling_y;
3940 #if CONFIG_VP9_HIGHBITDEPTH
3941     cm->use_highbitdepth = use_highbitdepth;
3942 #endif
3943
3944     alloc_raw_frame_buffers(cpi);
3945     init_ref_frame_bufs(cm);
3946     alloc_util_frame_buffers(cpi);
3947
3948     init_motion_estimation(cpi);  // TODO(agrange) This can be removed.
3949
3950     cpi->initial_width = cm->width;
3951     cpi->initial_height = cm->height;
3952     cpi->initial_mbs = cm->MBs;
3953   }
3954 }
3955
3956 #if CONFIG_VP9_TEMPORAL_DENOISING
3957 static void setup_denoiser_buffer(VP9_COMP *cpi) {
3958   VP9_COMMON *const cm = &cpi->common;
3959   if (cpi->oxcf.noise_sensitivity > 0 &&
3960       !cpi->denoiser.frame_buffer_initialized) {
3961     vp9_denoiser_alloc(&(cpi->denoiser), cm->width, cm->height,
3962                        cm->subsampling_x, cm->subsampling_y,
3963 #if CONFIG_VP9_HIGHBITDEPTH
3964                        cm->use_highbitdepth,
3965 #endif
3966                        VP9_ENC_BORDER_IN_PIXELS);
3967   }
3968 }
3969 #endif
3970
3971 int vp9_receive_raw_frame(VP9_COMP *cpi, unsigned int frame_flags,
3972                           YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
3973                           int64_t end_time) {
3974   VP9_COMMON *cm = &cpi->common;
3975   struct vpx_usec_timer timer;
3976   int res = 0;
3977   const int subsampling_x = sd->subsampling_x;
3978   const int subsampling_y = sd->subsampling_y;
3979 #if CONFIG_VP9_HIGHBITDEPTH
3980   const int use_highbitdepth = sd->flags & YV12_FLAG_HIGHBITDEPTH;
3981   check_initial_width(cpi, use_highbitdepth, subsampling_x, subsampling_y);
3982 #else
3983   check_initial_width(cpi, subsampling_x, subsampling_y);
3984 #endif  // CONFIG_VP9_HIGHBITDEPTH
3985
3986 #if CONFIG_VP9_TEMPORAL_DENOISING
3987   setup_denoiser_buffer(cpi);
3988 #endif
3989   vpx_usec_timer_start(&timer);
3990
3991   if (vp9_lookahead_push(cpi->lookahead, sd, time_stamp, end_time,
3992 #if CONFIG_VP9_HIGHBITDEPTH
3993                          use_highbitdepth,
3994 #endif  // CONFIG_VP9_HIGHBITDEPTH
3995                          frame_flags))
3996     res = -1;
3997   vpx_usec_timer_mark(&timer);
3998   cpi->time_receive_data += vpx_usec_timer_elapsed(&timer);
3999
4000   if ((cm->profile == PROFILE_0 || cm->profile == PROFILE_2) &&
4001       (subsampling_x != 1 || subsampling_y != 1)) {
4002     vpx_internal_error(&cm->error, VPX_CODEC_INVALID_PARAM,
4003                        "Non-4:2:0 color format requires profile 1 or 3");
4004     res = -1;
4005   }
4006   if ((cm->profile == PROFILE_1 || cm->profile == PROFILE_3) &&
4007       (subsampling_x == 1 && subsampling_y == 1)) {
4008     vpx_internal_error(&cm->error, VPX_CODEC_INVALID_PARAM,
4009                        "4:2:0 color format requires profile 0 or 2");
4010     res = -1;
4011   }
4012
4013   return res;
4014 }
4015
4016
4017 static int frame_is_reference(const VP9_COMP *cpi) {
4018   const VP9_COMMON *cm = &cpi->common;
4019
4020   return cm->frame_type == KEY_FRAME ||
4021          cpi->refresh_last_frame ||
4022          cpi->refresh_golden_frame ||
4023          cpi->refresh_alt_ref_frame ||
4024          cm->refresh_frame_context ||
4025          cm->lf.mode_ref_delta_update ||
4026          cm->seg.update_map ||
4027          cm->seg.update_data;
4028 }
4029
4030 static void adjust_frame_rate(VP9_COMP *cpi,
4031                               const struct lookahead_entry *source) {
4032   int64_t this_duration;
4033   int step = 0;
4034
4035   if (source->ts_start == cpi->first_time_stamp_ever) {
4036     this_duration = source->ts_end - source->ts_start;
4037     step = 1;
4038   } else {
4039     int64_t last_duration = cpi->last_end_time_stamp_seen
4040         - cpi->last_time_stamp_seen;
4041
4042     this_duration = source->ts_end - cpi->last_end_time_stamp_seen;
4043
4044     // do a step update if the duration changes by 10%
4045     if (last_duration)
4046       step = (int)((this_duration - last_duration) * 10 / last_duration);
4047   }
4048
4049   if (this_duration) {
4050     if (step) {
4051       vp9_new_framerate(cpi, 10000000.0 / this_duration);
4052     } else {
4053       // Average this frame's rate into the last second's average
4054       // frame rate. If we haven't seen 1 second yet, then average
4055       // over the whole interval seen.
4056       const double interval = VPXMIN(
4057           (double)(source->ts_end - cpi->first_time_stamp_ever), 10000000.0);
4058       double avg_duration = 10000000.0 / cpi->framerate;
4059       avg_duration *= (interval - avg_duration + this_duration);
4060       avg_duration /= interval;
4061
4062       vp9_new_framerate(cpi, 10000000.0 / avg_duration);
4063     }
4064   }
4065   cpi->last_time_stamp_seen = source->ts_start;
4066   cpi->last_end_time_stamp_seen = source->ts_end;
4067 }
4068
4069 // Returns 0 if this is not an alt ref else the offset of the source frame
4070 // used as the arf midpoint.
4071 static int get_arf_src_index(VP9_COMP *cpi) {
4072   RATE_CONTROL *const rc = &cpi->rc;
4073   int arf_src_index = 0;
4074   if (is_altref_enabled(cpi)) {
4075     if (cpi->oxcf.pass == 2) {
4076       const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
4077       if (gf_group->update_type[gf_group->index] == ARF_UPDATE) {
4078         arf_src_index = gf_group->arf_src_offset[gf_group->index];
4079       }
4080     } else if (rc->source_alt_ref_pending) {
4081       arf_src_index = rc->frames_till_gf_update_due;
4082     }
4083   }
4084   return arf_src_index;
4085 }
4086
4087 static void check_src_altref(VP9_COMP *cpi,
4088                              const struct lookahead_entry *source) {
4089   RATE_CONTROL *const rc = &cpi->rc;
4090
4091   if (cpi->oxcf.pass == 2) {
4092     const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
4093     rc->is_src_frame_alt_ref =
4094       (gf_group->update_type[gf_group->index] == OVERLAY_UPDATE);
4095   } else {
4096     rc->is_src_frame_alt_ref = cpi->alt_ref_source &&
4097                                (source == cpi->alt_ref_source);
4098   }
4099
4100   if (rc->is_src_frame_alt_ref) {
4101     // Current frame is an ARF overlay frame.
4102     cpi->alt_ref_source = NULL;
4103
4104     // Don't refresh the last buffer for an ARF overlay frame. It will
4105     // become the GF so preserve last as an alternative prediction option.
4106     cpi->refresh_last_frame = 0;
4107   }
4108 }
4109
4110 #if CONFIG_INTERNAL_STATS
4111 extern double vp9_get_blockiness(const uint8_t *img1, int img1_pitch,
4112                                  const uint8_t *img2, int img2_pitch,
4113                                  int width, int height);
4114
4115 static void adjust_image_stat(double y, double u, double v, double all,
4116                               ImageStat *s) {
4117   s->stat[Y] += y;
4118   s->stat[U] += u;
4119   s->stat[V] += v;
4120   s->stat[ALL] += all;
4121   s->worst = VPXMIN(s->worst, all);
4122 }
4123 #endif  // CONFIG_INTERNAL_STATS
4124
4125 int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags,
4126                             size_t *size, uint8_t *dest,
4127                             int64_t *time_stamp, int64_t *time_end, int flush) {
4128   const VP9EncoderConfig *const oxcf = &cpi->oxcf;
4129   VP9_COMMON *const cm = &cpi->common;
4130   BufferPool *const pool = cm->buffer_pool;
4131   RATE_CONTROL *const rc = &cpi->rc;
4132   struct vpx_usec_timer  cmptimer;
4133   YV12_BUFFER_CONFIG *force_src_buffer = NULL;
4134   struct lookahead_entry *last_source = NULL;
4135   struct lookahead_entry *source = NULL;
4136   int arf_src_index;
4137   int i;
4138
4139   if (is_two_pass_svc(cpi)) {
4140 #if CONFIG_SPATIAL_SVC
4141     vp9_svc_start_frame(cpi);
4142     // Use a small empty frame instead of a real frame
4143     if (cpi->svc.encode_empty_frame_state == ENCODING)
4144       source = &cpi->svc.empty_frame;
4145 #endif
4146     if (oxcf->pass == 2)
4147       vp9_restore_layer_context(cpi);
4148   } else if (is_one_pass_cbr_svc(cpi)) {
4149     vp9_one_pass_cbr_svc_start_layer(cpi);
4150   }
4151
4152   vpx_usec_timer_start(&cmptimer);
4153
4154   vp9_set_high_precision_mv(cpi, ALTREF_HIGH_PRECISION_MV);
4155
4156   // Is multi-arf enabled.
4157   // Note that at the moment multi_arf is only configured for 2 pass VBR and
4158   // will not work properly with svc.
4159   if ((oxcf->pass == 2) && !cpi->use_svc &&
4160       (cpi->oxcf.enable_auto_arf > 1))
4161     cpi->multi_arf_allowed = 1;
4162   else
4163     cpi->multi_arf_allowed = 0;
4164
4165   // Normal defaults
4166   cm->reset_frame_context = 0;
4167   cm->refresh_frame_context = 1;
4168   if (!is_one_pass_cbr_svc(cpi)) {
4169     cpi->refresh_last_frame = 1;
4170     cpi->refresh_golden_frame = 0;
4171     cpi->refresh_alt_ref_frame = 0;
4172   }
4173
4174   // Should we encode an arf frame.
4175   arf_src_index = get_arf_src_index(cpi);
4176
4177   // Skip alt frame if we encode the empty frame
4178   if (is_two_pass_svc(cpi) && source != NULL)
4179     arf_src_index = 0;
4180
4181   if (arf_src_index) {
4182     assert(arf_src_index <= rc->frames_to_key);
4183
4184     if ((source = vp9_lookahead_peek(cpi->lookahead, arf_src_index)) != NULL) {
4185       cpi->alt_ref_source = source;
4186
4187 #if CONFIG_SPATIAL_SVC
4188       if (is_two_pass_svc(cpi) && cpi->svc.spatial_layer_id > 0) {
4189         int i;
4190         // Reference a hidden frame from a lower layer
4191         for (i = cpi->svc.spatial_layer_id - 1; i >= 0; --i) {
4192           if (oxcf->ss_enable_auto_arf[i]) {
4193             cpi->gld_fb_idx = cpi->svc.layer_context[i].alt_ref_idx;
4194             break;
4195           }
4196         }
4197       }
4198       cpi->svc.layer_context[cpi->svc.spatial_layer_id].has_alt_frame = 1;
4199 #endif
4200
4201       if (oxcf->arnr_max_frames > 0) {
4202         // Produce the filtered ARF frame.
4203         vp9_temporal_filter(cpi, arf_src_index);
4204         vpx_extend_frame_borders(&cpi->alt_ref_buffer);
4205         force_src_buffer = &cpi->alt_ref_buffer;
4206       }
4207
4208       cm->show_frame = 0;
4209       cm->intra_only = 0;
4210       cpi->refresh_alt_ref_frame = 1;
4211       cpi->refresh_golden_frame = 0;
4212       cpi->refresh_last_frame = 0;
4213       rc->is_src_frame_alt_ref = 0;
4214       rc->source_alt_ref_pending = 0;
4215     } else {
4216       rc->source_alt_ref_pending = 0;
4217     }
4218   }
4219
4220   if (!source) {
4221     // Get last frame source.
4222     if (cm->current_video_frame > 0) {
4223       if ((last_source = vp9_lookahead_peek(cpi->lookahead, -1)) == NULL)
4224         return -1;
4225     }
4226
4227     // Read in the source frame.
4228     if (cpi->use_svc)
4229       source = vp9_svc_lookahead_pop(cpi, cpi->lookahead, flush);
4230     else
4231       source = vp9_lookahead_pop(cpi->lookahead, flush);
4232
4233     if (source != NULL) {
4234       cm->show_frame = 1;
4235       cm->intra_only = 0;
4236       // if the flags indicate intra frame, but if the current picture is for
4237       // non-zero spatial layer, it should not be an intra picture.
4238       // TODO(Won Kap): this needs to change if per-layer intra frame is
4239       // allowed.
4240       if ((source->flags & VPX_EFLAG_FORCE_KF) && cpi->svc.spatial_layer_id) {
4241         source->flags &= ~(unsigned int)(VPX_EFLAG_FORCE_KF);
4242       }
4243
4244       // Check to see if the frame should be encoded as an arf overlay.
4245       check_src_altref(cpi, source);
4246     }
4247   }
4248
4249   if (source) {
4250     cpi->un_scaled_source = cpi->Source = force_src_buffer ? force_src_buffer
4251                                                            : &source->img;
4252
4253     cpi->unscaled_last_source = last_source != NULL ? &last_source->img : NULL;
4254
4255     *time_stamp = source->ts_start;
4256     *time_end = source->ts_end;
4257     *frame_flags = (source->flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
4258
4259   } else {
4260     *size = 0;
4261     if (flush && oxcf->pass == 1 && !cpi->twopass.first_pass_done) {
4262       vp9_end_first_pass(cpi);    /* get last stats packet */
4263       cpi->twopass.first_pass_done = 1;
4264     }
4265     return -1;
4266   }
4267
4268   if (source->ts_start < cpi->first_time_stamp_ever) {
4269     cpi->first_time_stamp_ever = source->ts_start;
4270     cpi->last_end_time_stamp_seen = source->ts_start;
4271   }
4272
4273   // Clear down mmx registers
4274   vpx_clear_system_state();
4275
4276   // adjust frame rates based on timestamps given
4277   if (cm->show_frame) {
4278     adjust_frame_rate(cpi, source);
4279   }
4280
4281   if (is_one_pass_cbr_svc(cpi)) {
4282     vp9_update_temporal_layer_framerate(cpi);
4283     vp9_restore_layer_context(cpi);
4284   }
4285
4286   // Find a free buffer for the new frame, releasing the reference previously
4287   // held.
4288   if (cm->new_fb_idx != INVALID_IDX) {
4289     --pool->frame_bufs[cm->new_fb_idx].ref_count;
4290   }
4291   cm->new_fb_idx = get_free_fb(cm);
4292
4293   if (cm->new_fb_idx == INVALID_IDX)
4294     return -1;
4295
4296   cm->cur_frame = &pool->frame_bufs[cm->new_fb_idx];
4297
4298   if (!cpi->use_svc && cpi->multi_arf_allowed) {
4299     if (cm->frame_type == KEY_FRAME) {
4300       init_buffer_indices(cpi);
4301     } else if (oxcf->pass == 2) {
4302       const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
4303       cpi->alt_fb_idx = gf_group->arf_ref_idx[gf_group->index];
4304     }
4305   }
4306
4307   // Start with a 0 size frame.
4308   *size = 0;
4309
4310   cpi->frame_flags = *frame_flags;
4311
4312   if ((oxcf->pass == 2) &&
4313       (!cpi->use_svc ||
4314           (is_two_pass_svc(cpi) &&
4315               cpi->svc.encode_empty_frame_state != ENCODING))) {
4316     vp9_rc_get_second_pass_params(cpi);
4317   } else if (oxcf->pass == 1) {
4318     set_frame_size(cpi);
4319   }
4320
4321   if (cpi->oxcf.pass != 0 ||
4322       cpi->use_svc ||
4323       frame_is_intra_only(cm) == 1) {
4324     for (i = 0; i < MAX_REF_FRAMES; ++i)
4325       cpi->scaled_ref_idx[i] = INVALID_IDX;
4326   }
4327
4328   if (oxcf->pass == 1 &&
4329       (!cpi->use_svc || is_two_pass_svc(cpi))) {
4330     const int lossless = is_lossless_requested(oxcf);
4331 #if CONFIG_VP9_HIGHBITDEPTH
4332     if (cpi->oxcf.use_highbitdepth)
4333       cpi->td.mb.fwd_txm4x4 = lossless ?
4334           vp9_highbd_fwht4x4 : vpx_highbd_fdct4x4;
4335     else
4336       cpi->td.mb.fwd_txm4x4 = lossless ? vp9_fwht4x4 : vpx_fdct4x4;
4337     cpi->td.mb.highbd_itxm_add = lossless ? vp9_highbd_iwht4x4_add :
4338                                          vp9_highbd_idct4x4_add;
4339 #else
4340     cpi->td.mb.fwd_txm4x4 = lossless ? vp9_fwht4x4 : vpx_fdct4x4;
4341 #endif  // CONFIG_VP9_HIGHBITDEPTH
4342     cpi->td.mb.itxm_add = lossless ? vp9_iwht4x4_add : vp9_idct4x4_add;
4343     vp9_first_pass(cpi, source);
4344   } else if (oxcf->pass == 2 &&
4345       (!cpi->use_svc || is_two_pass_svc(cpi))) {
4346     Pass2Encode(cpi, size, dest, frame_flags);
4347   } else if (cpi->use_svc) {
4348     SvcEncode(cpi, size, dest, frame_flags);
4349   } else {
4350     // One pass encode
4351     Pass0Encode(cpi, size, dest, frame_flags);
4352   }
4353
4354   if (cm->refresh_frame_context)
4355     cm->frame_contexts[cm->frame_context_idx] = *cm->fc;
4356
4357   // No frame encoded, or frame was dropped, release scaled references.
4358   if ((*size == 0) && (frame_is_intra_only(cm) == 0)) {
4359     release_scaled_references(cpi);
4360   }
4361
4362   if (*size > 0) {
4363     cpi->droppable = !frame_is_reference(cpi);
4364   }
4365
4366   // Save layer specific state.
4367   if (is_one_pass_cbr_svc(cpi) ||
4368         ((cpi->svc.number_temporal_layers > 1 ||
4369           cpi->svc.number_spatial_layers > 1) &&
4370          oxcf->pass == 2)) {
4371     vp9_save_layer_context(cpi);
4372   }
4373
4374   vpx_usec_timer_mark(&cmptimer);
4375   cpi->time_compress_data += vpx_usec_timer_elapsed(&cmptimer);
4376
4377   if (cpi->b_calculate_psnr && oxcf->pass != 1 && cm->show_frame)
4378     generate_psnr_packet(cpi);
4379
4380 #if CONFIG_INTERNAL_STATS
4381
4382   if (oxcf->pass != 1) {
4383     double samples = 0.0;
4384     cpi->bytes += (int)(*size);
4385
4386     if (cm->show_frame) {
4387       cpi->count++;
4388
4389       if (cpi->b_calculate_psnr) {
4390         YV12_BUFFER_CONFIG *orig = cpi->Source;
4391         YV12_BUFFER_CONFIG *recon = cpi->common.frame_to_show;
4392         YV12_BUFFER_CONFIG *pp = &cm->post_proc_buffer;
4393         PSNR_STATS psnr;
4394 #if CONFIG_VP9_HIGHBITDEPTH
4395         calc_highbd_psnr(orig, recon, &psnr, cpi->td.mb.e_mbd.bd,
4396                          cpi->oxcf.input_bit_depth);
4397 #else
4398         calc_psnr(orig, recon, &psnr);
4399 #endif  // CONFIG_VP9_HIGHBITDEPTH
4400
4401         adjust_image_stat(psnr.psnr[1], psnr.psnr[2], psnr.psnr[3],
4402                           psnr.psnr[0], &cpi->psnr);
4403         cpi->total_sq_error += psnr.sse[0];
4404         cpi->total_samples += psnr.samples[0];
4405         samples = psnr.samples[0];
4406
4407         {
4408           PSNR_STATS psnr2;
4409           double frame_ssim2 = 0, weight = 0;
4410 #if CONFIG_VP9_POSTPROC
4411           if (vpx_alloc_frame_buffer(&cm->post_proc_buffer,
4412                                      recon->y_crop_width, recon->y_crop_height,
4413                                      cm->subsampling_x, cm->subsampling_y,
4414 #if CONFIG_VP9_HIGHBITDEPTH
4415                                      cm->use_highbitdepth,
4416 #endif
4417                                      VP9_ENC_BORDER_IN_PIXELS,
4418                                      cm->byte_alignment) < 0) {
4419             vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
4420                                "Failed to allocate post processing buffer");
4421           }
4422
4423           vp9_deblock(cm->frame_to_show, &cm->post_proc_buffer,
4424                       cm->lf.filter_level * 10 / 6);
4425 #endif
4426           vpx_clear_system_state();
4427
4428 #if CONFIG_VP9_HIGHBITDEPTH
4429           calc_highbd_psnr(orig, pp, &psnr2, cpi->td.mb.e_mbd.bd,
4430                            cpi->oxcf.input_bit_depth);
4431 #else
4432           calc_psnr(orig, pp, &psnr2);
4433 #endif  // CONFIG_VP9_HIGHBITDEPTH
4434
4435           cpi->totalp_sq_error += psnr2.sse[0];
4436           cpi->totalp_samples += psnr2.samples[0];
4437           adjust_image_stat(psnr2.psnr[1], psnr2.psnr[2], psnr2.psnr[3],
4438                             psnr2.psnr[0], &cpi->psnrp);
4439
4440 #if CONFIG_VP9_HIGHBITDEPTH
4441           if (cm->use_highbitdepth) {
4442             frame_ssim2 = vpx_highbd_calc_ssim(orig, recon, &weight,
4443                                                (int)cm->bit_depth);
4444           } else {
4445             frame_ssim2 = vpx_calc_ssim(orig, recon, &weight);
4446           }
4447 #else
4448           frame_ssim2 = vpx_calc_ssim(orig, recon, &weight);
4449 #endif  // CONFIG_VP9_HIGHBITDEPTH
4450
4451           cpi->worst_ssim = VPXMIN(cpi->worst_ssim, frame_ssim2);
4452           cpi->summed_quality += frame_ssim2 * weight;
4453           cpi->summed_weights += weight;
4454
4455 #if CONFIG_VP9_HIGHBITDEPTH
4456           if (cm->use_highbitdepth) {
4457             frame_ssim2 = vpx_highbd_calc_ssim(
4458                 orig, &cm->post_proc_buffer, &weight, (int)cm->bit_depth);
4459           } else {
4460             frame_ssim2 = vpx_calc_ssim(orig, &cm->post_proc_buffer, &weight);
4461           }
4462 #else
4463           frame_ssim2 = vpx_calc_ssim(orig, &cm->post_proc_buffer, &weight);
4464 #endif  // CONFIG_VP9_HIGHBITDEPTH
4465
4466           cpi->summedp_quality += frame_ssim2 * weight;
4467           cpi->summedp_weights += weight;
4468 #if 0
4469           {
4470             FILE *f = fopen("q_used.stt", "a");
4471             fprintf(f, "%5d : Y%f7.3:U%f7.3:V%f7.3:F%f7.3:S%7.3f\n",
4472                     cpi->common.current_video_frame, y2, u2, v2,
4473                     frame_psnr2, frame_ssim2);
4474             fclose(f);
4475           }
4476 #endif
4477         }
4478       }
4479       if (cpi->b_calculate_blockiness) {
4480 #if CONFIG_VP9_HIGHBITDEPTH
4481         if (!cm->use_highbitdepth)
4482 #endif
4483         {
4484           double frame_blockiness = vp9_get_blockiness(
4485               cpi->Source->y_buffer, cpi->Source->y_stride,
4486               cm->frame_to_show->y_buffer, cm->frame_to_show->y_stride,
4487               cpi->Source->y_width, cpi->Source->y_height);
4488           cpi->worst_blockiness =
4489               VPXMAX(cpi->worst_blockiness, frame_blockiness);
4490           cpi->total_blockiness += frame_blockiness;
4491         }
4492       }
4493
4494       if (cpi->b_calculate_consistency) {
4495 #if CONFIG_VP9_HIGHBITDEPTH
4496         if (!cm->use_highbitdepth)
4497 #endif
4498         {
4499           double this_inconsistency = vpx_get_ssim_metrics(
4500               cpi->Source->y_buffer, cpi->Source->y_stride,
4501               cm->frame_to_show->y_buffer, cm->frame_to_show->y_stride,
4502               cpi->Source->y_width, cpi->Source->y_height, cpi->ssim_vars,
4503               &cpi->metrics, 1);
4504
4505           const double peak = (double)((1 << cpi->oxcf.input_bit_depth) - 1);
4506           double consistency = vpx_sse_to_psnr(samples, peak,
4507                                              (double)cpi->total_inconsistency);
4508           if (consistency > 0.0)
4509             cpi->worst_consistency =
4510                 VPXMIN(cpi->worst_consistency, consistency);
4511           cpi->total_inconsistency += this_inconsistency;
4512         }
4513       }
4514
4515       if (cpi->b_calculate_ssimg) {
4516         double y, u, v, frame_all;
4517 #if CONFIG_VP9_HIGHBITDEPTH
4518         if (cm->use_highbitdepth) {
4519           frame_all = vpx_highbd_calc_ssimg(cpi->Source, cm->frame_to_show, &y,
4520                                             &u, &v, (int)cm->bit_depth);
4521         } else {
4522           frame_all = vpx_calc_ssimg(cpi->Source, cm->frame_to_show, &y, &u,
4523                                      &v);
4524         }
4525 #else
4526         frame_all = vpx_calc_ssimg(cpi->Source, cm->frame_to_show, &y, &u, &v);
4527 #endif  // CONFIG_VP9_HIGHBITDEPTH
4528         adjust_image_stat(y, u, v, frame_all, &cpi->ssimg);
4529       }
4530 #if CONFIG_VP9_HIGHBITDEPTH
4531       if (!cm->use_highbitdepth)
4532 #endif
4533       {
4534         double y, u, v, frame_all;
4535         frame_all = vpx_calc_fastssim(cpi->Source, cm->frame_to_show, &y, &u,
4536                                       &v);
4537         adjust_image_stat(y, u, v, frame_all, &cpi->fastssim);
4538         /* TODO(JBB): add 10/12 bit support */
4539       }
4540 #if CONFIG_VP9_HIGHBITDEPTH
4541       if (!cm->use_highbitdepth)
4542 #endif
4543       {
4544         double y, u, v, frame_all;
4545         frame_all = vpx_psnrhvs(cpi->Source, cm->frame_to_show, &y, &u, &v);
4546         adjust_image_stat(y, u, v, frame_all, &cpi->psnrhvs);
4547       }
4548     }
4549   }
4550
4551 #endif
4552
4553   if (is_two_pass_svc(cpi)) {
4554     if (cpi->svc.encode_empty_frame_state == ENCODING) {
4555       cpi->svc.encode_empty_frame_state = ENCODED;
4556       cpi->svc.encode_intra_empty_frame = 0;
4557     }
4558
4559     if (cm->show_frame) {
4560       ++cpi->svc.spatial_layer_to_encode;
4561       if (cpi->svc.spatial_layer_to_encode >= cpi->svc.number_spatial_layers)
4562         cpi->svc.spatial_layer_to_encode = 0;
4563
4564       // May need the empty frame after an visible frame.
4565       cpi->svc.encode_empty_frame_state = NEED_TO_ENCODE;
4566     }
4567   } else if (is_one_pass_cbr_svc(cpi)) {
4568     if (cm->show_frame) {
4569       ++cpi->svc.spatial_layer_to_encode;
4570       if (cpi->svc.spatial_layer_to_encode >= cpi->svc.number_spatial_layers)
4571         cpi->svc.spatial_layer_to_encode = 0;
4572     }
4573   }
4574   vpx_clear_system_state();
4575   return 0;
4576 }
4577
4578 int vp9_get_preview_raw_frame(VP9_COMP *cpi, YV12_BUFFER_CONFIG *dest,
4579                               vp9_ppflags_t *flags) {
4580   VP9_COMMON *cm = &cpi->common;
4581 #if !CONFIG_VP9_POSTPROC
4582   (void)flags;
4583 #endif
4584
4585   if (!cm->show_frame) {
4586     return -1;
4587   } else {
4588     int ret;
4589 #if CONFIG_VP9_POSTPROC
4590     ret = vp9_post_proc_frame(cm, dest, flags);
4591 #else
4592     if (cm->frame_to_show) {
4593       *dest = *cm->frame_to_show;
4594       dest->y_width = cm->width;
4595       dest->y_height = cm->height;
4596       dest->uv_width = cm->width >> cm->subsampling_x;
4597       dest->uv_height = cm->height >> cm->subsampling_y;
4598       ret = 0;
4599     } else {
4600       ret = -1;
4601     }
4602 #endif  // !CONFIG_VP9_POSTPROC
4603     vpx_clear_system_state();
4604     return ret;
4605   }
4606 }
4607
4608 int vp9_set_internal_size(VP9_COMP *cpi,
4609                           VPX_SCALING horiz_mode, VPX_SCALING vert_mode) {
4610   VP9_COMMON *cm = &cpi->common;
4611   int hr = 0, hs = 0, vr = 0, vs = 0;
4612
4613   if (horiz_mode > ONETWO || vert_mode > ONETWO)
4614     return -1;
4615
4616   Scale2Ratio(horiz_mode, &hr, &hs);
4617   Scale2Ratio(vert_mode, &vr, &vs);
4618
4619   // always go to the next whole number
4620   cm->width = (hs - 1 + cpi->oxcf.width * hr) / hs;
4621   cm->height = (vs - 1 + cpi->oxcf.height * vr) / vs;
4622   assert(cm->width <= cpi->initial_width);
4623   assert(cm->height <= cpi->initial_height);
4624
4625   update_frame_size(cpi);
4626
4627   return 0;
4628 }
4629
4630 int vp9_set_size_literal(VP9_COMP *cpi, unsigned int width,
4631                          unsigned int height) {
4632   VP9_COMMON *cm = &cpi->common;
4633 #if CONFIG_VP9_HIGHBITDEPTH
4634   check_initial_width(cpi, cm->use_highbitdepth, 1, 1);
4635 #else
4636   check_initial_width(cpi, 1, 1);
4637 #endif  // CONFIG_VP9_HIGHBITDEPTH
4638
4639 #if CONFIG_VP9_TEMPORAL_DENOISING
4640   setup_denoiser_buffer(cpi);
4641 #endif
4642
4643   if (width) {
4644     cm->width = width;
4645     if (cm->width > cpi->initial_width) {
4646       cm->width = cpi->initial_width;
4647       printf("Warning: Desired width too large, changed to %d\n", cm->width);
4648     }
4649   }
4650
4651   if (height) {
4652     cm->height = height;
4653     if (cm->height > cpi->initial_height) {
4654       cm->height = cpi->initial_height;
4655       printf("Warning: Desired height too large, changed to %d\n", cm->height);
4656     }
4657   }
4658   assert(cm->width <= cpi->initial_width);
4659   assert(cm->height <= cpi->initial_height);
4660
4661   update_frame_size(cpi);
4662
4663   return 0;
4664 }
4665
4666 void vp9_set_svc(VP9_COMP *cpi, int use_svc) {
4667   cpi->use_svc = use_svc;
4668   return;
4669 }
4670
4671 int64_t vp9_get_y_sse(const YV12_BUFFER_CONFIG *a,
4672                       const YV12_BUFFER_CONFIG *b) {
4673   assert(a->y_crop_width == b->y_crop_width);
4674   assert(a->y_crop_height == b->y_crop_height);
4675
4676   return get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride,
4677                  a->y_crop_width, a->y_crop_height);
4678 }
4679
4680 #if CONFIG_VP9_HIGHBITDEPTH
4681 int64_t vp9_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
4682                              const YV12_BUFFER_CONFIG *b) {
4683   assert(a->y_crop_width == b->y_crop_width);
4684   assert(a->y_crop_height == b->y_crop_height);
4685   assert((a->flags & YV12_FLAG_HIGHBITDEPTH) != 0);
4686   assert((b->flags & YV12_FLAG_HIGHBITDEPTH) != 0);
4687
4688   return highbd_get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride,
4689                         a->y_crop_width, a->y_crop_height);
4690 }
4691 #endif  // CONFIG_VP9_HIGHBITDEPTH
4692
4693 int vp9_get_quantizer(VP9_COMP *cpi) {
4694   return cpi->common.base_qindex;
4695 }
4696
4697 void vp9_apply_encoding_flags(VP9_COMP *cpi, vpx_enc_frame_flags_t flags) {
4698   if (flags & (VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF |
4699                VP8_EFLAG_NO_REF_ARF)) {
4700     int ref = 7;
4701
4702     if (flags & VP8_EFLAG_NO_REF_LAST)
4703       ref ^= VP9_LAST_FLAG;
4704
4705     if (flags & VP8_EFLAG_NO_REF_GF)
4706       ref ^= VP9_GOLD_FLAG;
4707
4708     if (flags & VP8_EFLAG_NO_REF_ARF)
4709       ref ^= VP9_ALT_FLAG;
4710
4711     vp9_use_as_reference(cpi, ref);
4712   }
4713
4714   if (flags & (VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
4715                VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_FORCE_GF |
4716                VP8_EFLAG_FORCE_ARF)) {
4717     int upd = 7;
4718
4719     if (flags & VP8_EFLAG_NO_UPD_LAST)
4720       upd ^= VP9_LAST_FLAG;
4721
4722     if (flags & VP8_EFLAG_NO_UPD_GF)
4723       upd ^= VP9_GOLD_FLAG;
4724
4725     if (flags & VP8_EFLAG_NO_UPD_ARF)
4726       upd ^= VP9_ALT_FLAG;
4727
4728     vp9_update_reference(cpi, upd);
4729   }
4730
4731   if (flags & VP8_EFLAG_NO_UPD_ENTROPY) {
4732     vp9_update_entropy(cpi, 0);
4733   }
4734 }