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_dsp_common.h"
21#include "vpx_dsp/vpx_filter.h"
22#if CONFIG_INTERNAL_STATS
23#include "vpx_dsp/ssim.h"
24#endif
25#include "vpx_ports/mem.h"
26#include "vpx_ports/system_state.h"
27#include "vpx_ports/vpx_timer.h"
28
29#include "vp9/common/vp9_alloccommon.h"
30#include "vp9/common/vp9_filter.h"
31#include "vp9/common/vp9_idct.h"
32#if CONFIG_VP9_POSTPROC
33#include "vp9/common/vp9_postproc.h"
34#endif
35#include "vp9/common/vp9_reconinter.h"
36#include "vp9/common/vp9_reconintra.h"
37#include "vp9/common/vp9_tile_common.h"
38
39#include "vp9/encoder/vp9_aq_complexity.h"
40#include "vp9/encoder/vp9_aq_cyclicrefresh.h"
41#include "vp9/encoder/vp9_aq_variance.h"
42#include "vp9/encoder/vp9_bitstream.h"
43#include "vp9/encoder/vp9_context_tree.h"
44#include "vp9/encoder/vp9_encodeframe.h"
45#include "vp9/encoder/vp9_encodemv.h"
46#include "vp9/encoder/vp9_encoder.h"
47#include "vp9/encoder/vp9_ethread.h"
48#include "vp9/encoder/vp9_firstpass.h"
49#include "vp9/encoder/vp9_mbgraph.h"
50#include "vp9/encoder/vp9_picklpf.h"
51#include "vp9/encoder/vp9_ratectrl.h"
52#include "vp9/encoder/vp9_rd.h"
53#include "vp9/encoder/vp9_resize.h"
54#include "vp9/encoder/vp9_segmentation.h"
55#include "vp9/encoder/vp9_skin_detection.h"
56#include "vp9/encoder/vp9_speed_features.h"
57#include "vp9/encoder/vp9_svc_layercontext.h"
58#include "vp9/encoder/vp9_temporal_filter.h"
59
60#define AM_SEGMENT_ID_INACTIVE 7
61#define AM_SEGMENT_ID_ACTIVE 0
62
63#define SHARP_FILTER_QTHRESH 0          /* Q threshold for 8-tap sharp filter */
64
65#define ALTREF_HIGH_PRECISION_MV 1      // Whether to use high precision mv
66                                         //  for altref computation.
67#define HIGH_PRECISION_MV_QTHRESH 200   // Q threshold for high precision
68                                         // mv. Choose a very high value for
69                                         // now so that HIGH_PRECISION is always
70                                         // chosen.
71// #define OUTPUT_YUV_REC
72
73#ifdef OUTPUT_YUV_DENOISED
74FILE *yuv_denoised_file = NULL;
75#endif
76#ifdef OUTPUT_YUV_SKINMAP
77FILE *yuv_skinmap_file = NULL;
78#endif
79#ifdef OUTPUT_YUV_REC
80FILE *yuv_rec_file;
81#endif
82
83#if 0
84FILE *framepsnr;
85FILE *kf_list;
86FILE *keyfile;
87#endif
88
89static INLINE void Scale2Ratio(VPX_SCALING mode, int *hr, int *hs) {
90  switch (mode) {
91    case NORMAL:
92      *hr = 1;
93      *hs = 1;
94      break;
95    case FOURFIVE:
96      *hr = 4;
97      *hs = 5;
98      break;
99    case THREEFIVE:
100      *hr = 3;
101      *hs = 5;
102    break;
103    case ONETWO:
104      *hr = 1;
105      *hs = 2;
106    break;
107    default:
108      *hr = 1;
109      *hs = 1;
110       assert(0);
111      break;
112  }
113}
114
115// Mark all inactive blocks as active. Other segmentation features may be set
116// so memset cannot be used, instead only inactive blocks should be reset.
117static void suppress_active_map(VP9_COMP *cpi) {
118  unsigned char *const seg_map = cpi->segmentation_map;
119  int i;
120  if (cpi->active_map.enabled || cpi->active_map.update)
121    for (i = 0; i < cpi->common.mi_rows * cpi->common.mi_cols; ++i)
122      if (seg_map[i] == AM_SEGMENT_ID_INACTIVE)
123        seg_map[i] = AM_SEGMENT_ID_ACTIVE;
124}
125
126static void apply_active_map(VP9_COMP *cpi) {
127  struct segmentation *const seg = &cpi->common.seg;
128  unsigned char *const seg_map = cpi->segmentation_map;
129  const unsigned char *const active_map = cpi->active_map.map;
130  int i;
131
132  assert(AM_SEGMENT_ID_ACTIVE == CR_SEGMENT_ID_BASE);
133
134  if (frame_is_intra_only(&cpi->common)) {
135    cpi->active_map.enabled = 0;
136    cpi->active_map.update = 1;
137  }
138
139  if (cpi->active_map.update) {
140    if (cpi->active_map.enabled) {
141      for (i = 0; i < cpi->common.mi_rows * cpi->common.mi_cols; ++i)
142        if (seg_map[i] == AM_SEGMENT_ID_ACTIVE) seg_map[i] = active_map[i];
143      vp9_enable_segmentation(seg);
144      vp9_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
145      vp9_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF);
146      // Setting the data to -MAX_LOOP_FILTER will result in the computed loop
147      // filter level being zero regardless of the value of seg->abs_delta.
148      vp9_set_segdata(seg, AM_SEGMENT_ID_INACTIVE,
149                      SEG_LVL_ALT_LF, -MAX_LOOP_FILTER);
150    } else {
151      vp9_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
152      vp9_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF);
153      if (seg->enabled) {
154        seg->update_data = 1;
155        seg->update_map = 1;
156      }
157    }
158    cpi->active_map.update = 0;
159  }
160}
161
162int vp9_set_active_map(VP9_COMP* cpi,
163                       unsigned char* new_map_16x16,
164                       int rows,
165                       int cols) {
166  if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols) {
167    unsigned char *const active_map_8x8 = cpi->active_map.map;
168    const int mi_rows = cpi->common.mi_rows;
169    const int mi_cols = cpi->common.mi_cols;
170    cpi->active_map.update = 1;
171    if (new_map_16x16) {
172      int r, c;
173      for (r = 0; r < mi_rows; ++r) {
174        for (c = 0; c < mi_cols; ++c) {
175          active_map_8x8[r * mi_cols + c] =
176              new_map_16x16[(r >> 1) * cols + (c >> 1)]
177                  ? AM_SEGMENT_ID_ACTIVE
178                  : AM_SEGMENT_ID_INACTIVE;
179        }
180      }
181      cpi->active_map.enabled = 1;
182    } else {
183      cpi->active_map.enabled = 0;
184    }
185    return 0;
186  } else {
187    return -1;
188  }
189}
190
191int vp9_get_active_map(VP9_COMP* cpi,
192                       unsigned char* new_map_16x16,
193                       int rows,
194                       int cols) {
195  if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols &&
196      new_map_16x16) {
197    unsigned char* const seg_map_8x8 = cpi->segmentation_map;
198    const int mi_rows = cpi->common.mi_rows;
199    const int mi_cols = cpi->common.mi_cols;
200    memset(new_map_16x16, !cpi->active_map.enabled, rows * cols);
201    if (cpi->active_map.enabled) {
202      int r, c;
203      for (r = 0; r < mi_rows; ++r) {
204        for (c = 0; c < mi_cols; ++c) {
205          // Cyclic refresh segments are considered active despite not having
206          // AM_SEGMENT_ID_ACTIVE
207          new_map_16x16[(r >> 1) * cols + (c >> 1)] |=
208              seg_map_8x8[r * mi_cols + c] != AM_SEGMENT_ID_INACTIVE;
209        }
210      }
211    }
212    return 0;
213  } else {
214    return -1;
215  }
216}
217
218void vp9_set_high_precision_mv(VP9_COMP *cpi, int allow_high_precision_mv) {
219  MACROBLOCK *const mb = &cpi->td.mb;
220  cpi->common.allow_high_precision_mv = allow_high_precision_mv;
221  if (cpi->common.allow_high_precision_mv) {
222    mb->mvcost = mb->nmvcost_hp;
223    mb->mvsadcost = mb->nmvsadcost_hp;
224  } else {
225    mb->mvcost = mb->nmvcost;
226    mb->mvsadcost = mb->nmvsadcost;
227  }
228}
229
230static void setup_frame(VP9_COMP *cpi) {
231  VP9_COMMON *const cm = &cpi->common;
232  // Set up entropy context depending on frame type. The decoder mandates
233  // the use of the default context, index 0, for keyframes and inter
234  // frames where the error_resilient_mode or intra_only flag is set. For
235  // other inter-frames the encoder currently uses only two contexts;
236  // context 1 for ALTREF frames and context 0 for the others.
237  if (frame_is_intra_only(cm) || cm->error_resilient_mode) {
238    vp9_setup_past_independence(cm);
239  } else {
240    if (!cpi->use_svc)
241      cm->frame_context_idx = cpi->refresh_alt_ref_frame;
242  }
243
244  if (cm->frame_type == KEY_FRAME) {
245    if (!is_two_pass_svc(cpi))
246      cpi->refresh_golden_frame = 1;
247    cpi->refresh_alt_ref_frame = 1;
248    vp9_zero(cpi->interp_filter_selected);
249  } else {
250    *cm->fc = cm->frame_contexts[cm->frame_context_idx];
251    vp9_zero(cpi->interp_filter_selected[0]);
252  }
253}
254
255static void vp9_enc_setup_mi(VP9_COMMON *cm) {
256  int i;
257  cm->mi = cm->mip + cm->mi_stride + 1;
258  memset(cm->mip, 0, cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->mip));
259  cm->prev_mi = cm->prev_mip + cm->mi_stride + 1;
260  // Clear top border row
261  memset(cm->prev_mip, 0, sizeof(*cm->prev_mip) * cm->mi_stride);
262  // Clear left border column
263  for (i = 1; i < cm->mi_rows + 1; ++i)
264    memset(&cm->prev_mip[i * cm->mi_stride], 0, sizeof(*cm->prev_mip));
265
266  cm->mi_grid_visible = cm->mi_grid_base + cm->mi_stride + 1;
267  cm->prev_mi_grid_visible = cm->prev_mi_grid_base + cm->mi_stride + 1;
268
269  memset(cm->mi_grid_base, 0,
270         cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->mi_grid_base));
271}
272
273static int vp9_enc_alloc_mi(VP9_COMMON *cm, int mi_size) {
274  cm->mip = vpx_calloc(mi_size, sizeof(*cm->mip));
275  if (!cm->mip)
276    return 1;
277  cm->prev_mip = vpx_calloc(mi_size, sizeof(*cm->prev_mip));
278  if (!cm->prev_mip)
279    return 1;
280  cm->mi_alloc_size = mi_size;
281
282  cm->mi_grid_base = (MODE_INFO **)vpx_calloc(mi_size, sizeof(MODE_INFO*));
283  if (!cm->mi_grid_base)
284    return 1;
285  cm->prev_mi_grid_base = (MODE_INFO **)vpx_calloc(mi_size, sizeof(MODE_INFO*));
286  if (!cm->prev_mi_grid_base)
287    return 1;
288
289  return 0;
290}
291
292static void vp9_enc_free_mi(VP9_COMMON *cm) {
293  vpx_free(cm->mip);
294  cm->mip = NULL;
295  vpx_free(cm->prev_mip);
296  cm->prev_mip = NULL;
297  vpx_free(cm->mi_grid_base);
298  cm->mi_grid_base = NULL;
299  vpx_free(cm->prev_mi_grid_base);
300  cm->prev_mi_grid_base = NULL;
301}
302
303static void vp9_swap_mi_and_prev_mi(VP9_COMMON *cm) {
304  // Current mip will be the prev_mip for the next frame.
305  MODE_INFO **temp_base = cm->prev_mi_grid_base;
306  MODE_INFO *temp = cm->prev_mip;
307  cm->prev_mip = cm->mip;
308  cm->mip = temp;
309
310  // Update the upper left visible macroblock ptrs.
311  cm->mi = cm->mip + cm->mi_stride + 1;
312  cm->prev_mi = cm->prev_mip + cm->mi_stride + 1;
313
314  cm->prev_mi_grid_base = cm->mi_grid_base;
315  cm->mi_grid_base = temp_base;
316  cm->mi_grid_visible = cm->mi_grid_base + cm->mi_stride + 1;
317  cm->prev_mi_grid_visible = cm->prev_mi_grid_base + cm->mi_stride + 1;
318}
319
320void vp9_initialize_enc(void) {
321  static volatile int init_done = 0;
322
323  if (!init_done) {
324    vp9_rtcd();
325    vpx_dsp_rtcd();
326    vpx_scale_rtcd();
327    vp9_init_intra_predictors();
328    vp9_init_me_luts();
329    vp9_rc_init_minq_luts();
330    vp9_entropy_mv_init();
331    vp9_temporal_filter_init();
332    init_done = 1;
333  }
334}
335
336static void dealloc_compressor_data(VP9_COMP *cpi) {
337  VP9_COMMON *const cm = &cpi->common;
338  int i;
339
340  vpx_free(cpi->mbmi_ext_base);
341  cpi->mbmi_ext_base = NULL;
342
343  vpx_free(cpi->tile_data);
344  cpi->tile_data = NULL;
345
346  // Delete sementation map
347  vpx_free(cpi->segmentation_map);
348  cpi->segmentation_map = NULL;
349  vpx_free(cpi->coding_context.last_frame_seg_map_copy);
350  cpi->coding_context.last_frame_seg_map_copy = NULL;
351
352  vpx_free(cpi->nmvcosts[0]);
353  vpx_free(cpi->nmvcosts[1]);
354  cpi->nmvcosts[0] = NULL;
355  cpi->nmvcosts[1] = NULL;
356
357  vpx_free(cpi->nmvcosts_hp[0]);
358  vpx_free(cpi->nmvcosts_hp[1]);
359  cpi->nmvcosts_hp[0] = NULL;
360  cpi->nmvcosts_hp[1] = NULL;
361
362  vpx_free(cpi->nmvsadcosts[0]);
363  vpx_free(cpi->nmvsadcosts[1]);
364  cpi->nmvsadcosts[0] = NULL;
365  cpi->nmvsadcosts[1] = NULL;
366
367  vpx_free(cpi->nmvsadcosts_hp[0]);
368  vpx_free(cpi->nmvsadcosts_hp[1]);
369  cpi->nmvsadcosts_hp[0] = NULL;
370  cpi->nmvsadcosts_hp[1] = NULL;
371
372  vp9_cyclic_refresh_free(cpi->cyclic_refresh);
373  cpi->cyclic_refresh = NULL;
374
375  vpx_free(cpi->active_map.map);
376  cpi->active_map.map = NULL;
377
378  vp9_free_ref_frame_buffers(cm->buffer_pool);
379#if CONFIG_VP9_POSTPROC
380  vp9_free_postproc_buffers(cm);
381#endif
382  vp9_free_context_buffers(cm);
383
384  vpx_free_frame_buffer(&cpi->last_frame_uf);
385  vpx_free_frame_buffer(&cpi->scaled_source);
386  vpx_free_frame_buffer(&cpi->scaled_last_source);
387  vpx_free_frame_buffer(&cpi->alt_ref_buffer);
388  vp9_lookahead_destroy(cpi->lookahead);
389
390  vpx_free(cpi->tile_tok[0][0]);
391  cpi->tile_tok[0][0] = 0;
392
393  vp9_free_pc_tree(&cpi->td);
394
395  for (i = 0; i < cpi->svc.number_spatial_layers; ++i) {
396    LAYER_CONTEXT *const lc = &cpi->svc.layer_context[i];
397    vpx_free(lc->rc_twopass_stats_in.buf);
398    lc->rc_twopass_stats_in.buf = NULL;
399    lc->rc_twopass_stats_in.sz = 0;
400  }
401
402  if (cpi->source_diff_var != NULL) {
403    vpx_free(cpi->source_diff_var);
404    cpi->source_diff_var = NULL;
405  }
406
407  for (i = 0; i < MAX_LAG_BUFFERS; ++i) {
408    vpx_free_frame_buffer(&cpi->svc.scaled_frames[i]);
409  }
410  memset(&cpi->svc.scaled_frames[0], 0,
411         MAX_LAG_BUFFERS * sizeof(cpi->svc.scaled_frames[0]));
412
413  vpx_free_frame_buffer(&cpi->svc.empty_frame.img);
414  memset(&cpi->svc.empty_frame, 0, sizeof(cpi->svc.empty_frame));
415
416  vp9_free_svc_cyclic_refresh(cpi);
417}
418
419static void save_coding_context(VP9_COMP *cpi) {
420  CODING_CONTEXT *const cc = &cpi->coding_context;
421  VP9_COMMON *cm = &cpi->common;
422
423  // Stores a snapshot of key state variables which can subsequently be
424  // restored with a call to vp9_restore_coding_context. These functions are
425  // intended for use in a re-code loop in vp9_compress_frame where the
426  // quantizer value is adjusted between loop iterations.
427  vp9_copy(cc->nmvjointcost,  cpi->td.mb.nmvjointcost);
428
429  memcpy(cc->nmvcosts[0], cpi->nmvcosts[0],
430         MV_VALS * sizeof(*cpi->nmvcosts[0]));
431  memcpy(cc->nmvcosts[1], cpi->nmvcosts[1],
432         MV_VALS * sizeof(*cpi->nmvcosts[1]));
433  memcpy(cc->nmvcosts_hp[0], cpi->nmvcosts_hp[0],
434         MV_VALS * sizeof(*cpi->nmvcosts_hp[0]));
435  memcpy(cc->nmvcosts_hp[1], cpi->nmvcosts_hp[1],
436         MV_VALS * sizeof(*cpi->nmvcosts_hp[1]));
437
438  vp9_copy(cc->segment_pred_probs, cm->seg.pred_probs);
439
440  memcpy(cpi->coding_context.last_frame_seg_map_copy,
441         cm->last_frame_seg_map, (cm->mi_rows * cm->mi_cols));
442
443  vp9_copy(cc->last_ref_lf_deltas, cm->lf.last_ref_deltas);
444  vp9_copy(cc->last_mode_lf_deltas, cm->lf.last_mode_deltas);
445
446  cc->fc = *cm->fc;
447}
448
449static void restore_coding_context(VP9_COMP *cpi) {
450  CODING_CONTEXT *const cc = &cpi->coding_context;
451  VP9_COMMON *cm = &cpi->common;
452
453  // Restore key state variables to the snapshot state stored in the
454  // previous call to vp9_save_coding_context.
455  vp9_copy(cpi->td.mb.nmvjointcost, cc->nmvjointcost);
456
457  memcpy(cpi->nmvcosts[0], cc->nmvcosts[0], MV_VALS * sizeof(*cc->nmvcosts[0]));
458  memcpy(cpi->nmvcosts[1], cc->nmvcosts[1], MV_VALS * sizeof(*cc->nmvcosts[1]));
459  memcpy(cpi->nmvcosts_hp[0], cc->nmvcosts_hp[0],
460         MV_VALS * sizeof(*cc->nmvcosts_hp[0]));
461  memcpy(cpi->nmvcosts_hp[1], cc->nmvcosts_hp[1],
462         MV_VALS * sizeof(*cc->nmvcosts_hp[1]));
463
464  vp9_copy(cm->seg.pred_probs, cc->segment_pred_probs);
465
466  memcpy(cm->last_frame_seg_map,
467         cpi->coding_context.last_frame_seg_map_copy,
468         (cm->mi_rows * cm->mi_cols));
469
470  vp9_copy(cm->lf.last_ref_deltas, cc->last_ref_lf_deltas);
471  vp9_copy(cm->lf.last_mode_deltas, cc->last_mode_lf_deltas);
472
473  *cm->fc = cc->fc;
474}
475
476static void configure_static_seg_features(VP9_COMP *cpi) {
477  VP9_COMMON *const cm = &cpi->common;
478  const RATE_CONTROL *const rc = &cpi->rc;
479  struct segmentation *const seg = &cm->seg;
480
481  int high_q = (int)(rc->avg_q > 48.0);
482  int qi_delta;
483
484  // Disable and clear down for KF
485  if (cm->frame_type == KEY_FRAME) {
486    // Clear down the global segmentation map
487    memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
488    seg->update_map = 0;
489    seg->update_data = 0;
490    cpi->static_mb_pct = 0;
491
492    // Disable segmentation
493    vp9_disable_segmentation(seg);
494
495    // Clear down the segment features.
496    vp9_clearall_segfeatures(seg);
497  } else if (cpi->refresh_alt_ref_frame) {
498    // If this is an alt ref frame
499    // Clear down the global segmentation map
500    memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
501    seg->update_map = 0;
502    seg->update_data = 0;
503    cpi->static_mb_pct = 0;
504
505    // Disable segmentation and individual segment features by default
506    vp9_disable_segmentation(seg);
507    vp9_clearall_segfeatures(seg);
508
509    // Scan frames from current to arf frame.
510    // This function re-enables segmentation if appropriate.
511    vp9_update_mbgraph_stats(cpi);
512
513    // If segmentation was enabled set those features needed for the
514    // arf itself.
515    if (seg->enabled) {
516      seg->update_map = 1;
517      seg->update_data = 1;
518
519      qi_delta = vp9_compute_qdelta(rc, rc->avg_q, rc->avg_q * 0.875,
520                                    cm->bit_depth);
521      vp9_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta - 2);
522      vp9_set_segdata(seg, 1, SEG_LVL_ALT_LF, -2);
523
524      vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
525      vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_LF);
526
527      // Where relevant assume segment data is delta data
528      seg->abs_delta = SEGMENT_DELTADATA;
529    }
530  } else if (seg->enabled) {
531    // All other frames if segmentation has been enabled
532
533    // First normal frame in a valid gf or alt ref group
534    if (rc->frames_since_golden == 0) {
535      // Set up segment features for normal frames in an arf group
536      if (rc->source_alt_ref_active) {
537        seg->update_map = 0;
538        seg->update_data = 1;
539        seg->abs_delta = SEGMENT_DELTADATA;
540
541        qi_delta = vp9_compute_qdelta(rc, rc->avg_q, rc->avg_q * 1.125,
542                                      cm->bit_depth);
543        vp9_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta + 2);
544        vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
545
546        vp9_set_segdata(seg, 1, SEG_LVL_ALT_LF, -2);
547        vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_LF);
548
549        // Segment coding disabled for compred testing
550        if (high_q || (cpi->static_mb_pct == 100)) {
551          vp9_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
552          vp9_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME);
553          vp9_enable_segfeature(seg, 1, SEG_LVL_SKIP);
554        }
555      } else {
556        // Disable segmentation and clear down features if alt ref
557        // is not active for this group
558
559        vp9_disable_segmentation(seg);
560
561        memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
562
563        seg->update_map = 0;
564        seg->update_data = 0;
565
566        vp9_clearall_segfeatures(seg);
567      }
568    } else if (rc->is_src_frame_alt_ref) {
569      // Special case where we are coding over the top of a previous
570      // alt ref frame.
571      // Segment coding disabled for compred testing
572
573      // Enable ref frame features for segment 0 as well
574      vp9_enable_segfeature(seg, 0, SEG_LVL_REF_FRAME);
575      vp9_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME);
576
577      // All mbs should use ALTREF_FRAME
578      vp9_clear_segdata(seg, 0, SEG_LVL_REF_FRAME);
579      vp9_set_segdata(seg, 0, SEG_LVL_REF_FRAME, ALTREF_FRAME);
580      vp9_clear_segdata(seg, 1, SEG_LVL_REF_FRAME);
581      vp9_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
582
583      // Skip all MBs if high Q (0,0 mv and skip coeffs)
584      if (high_q) {
585        vp9_enable_segfeature(seg, 0, SEG_LVL_SKIP);
586        vp9_enable_segfeature(seg, 1, SEG_LVL_SKIP);
587      }
588      // Enable data update
589      seg->update_data = 1;
590    } else {
591      // All other frames.
592
593      // No updates.. leave things as they are.
594      seg->update_map = 0;
595      seg->update_data = 0;
596    }
597  }
598}
599
600static void update_reference_segmentation_map(VP9_COMP *cpi) {
601  VP9_COMMON *const cm = &cpi->common;
602  MODE_INFO **mi_8x8_ptr = cm->mi_grid_visible;
603  uint8_t *cache_ptr = cm->last_frame_seg_map;
604  int row, col;
605
606  for (row = 0; row < cm->mi_rows; row++) {
607    MODE_INFO **mi_8x8 = mi_8x8_ptr;
608    uint8_t *cache = cache_ptr;
609    for (col = 0; col < cm->mi_cols; col++, mi_8x8++, cache++)
610      cache[0] = mi_8x8[0]->mbmi.segment_id;
611    mi_8x8_ptr += cm->mi_stride;
612    cache_ptr += cm->mi_cols;
613  }
614}
615
616static void alloc_raw_frame_buffers(VP9_COMP *cpi) {
617  VP9_COMMON *cm = &cpi->common;
618  const VP9EncoderConfig *oxcf = &cpi->oxcf;
619
620  if (!cpi->lookahead)
621    cpi->lookahead = vp9_lookahead_init(oxcf->width, oxcf->height,
622                                        cm->subsampling_x, cm->subsampling_y,
623#if CONFIG_VP9_HIGHBITDEPTH
624                                      cm->use_highbitdepth,
625#endif
626                                      oxcf->lag_in_frames);
627  if (!cpi->lookahead)
628    vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
629                       "Failed to allocate lag buffers");
630
631  // TODO(agrange) Check if ARF is enabled and skip allocation if not.
632  if (vpx_realloc_frame_buffer(&cpi->alt_ref_buffer,
633                               oxcf->width, oxcf->height,
634                               cm->subsampling_x, cm->subsampling_y,
635#if CONFIG_VP9_HIGHBITDEPTH
636                               cm->use_highbitdepth,
637#endif
638                               VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
639                               NULL, NULL, NULL))
640    vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
641                       "Failed to allocate altref buffer");
642}
643
644static void alloc_util_frame_buffers(VP9_COMP *cpi) {
645  VP9_COMMON *const cm = &cpi->common;
646  if (vpx_realloc_frame_buffer(&cpi->last_frame_uf,
647                               cm->width, cm->height,
648                               cm->subsampling_x, cm->subsampling_y,
649#if CONFIG_VP9_HIGHBITDEPTH
650                               cm->use_highbitdepth,
651#endif
652                               VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
653                               NULL, NULL, NULL))
654    vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
655                       "Failed to allocate last frame buffer");
656
657  if (vpx_realloc_frame_buffer(&cpi->scaled_source,
658                               cm->width, cm->height,
659                               cm->subsampling_x, cm->subsampling_y,
660#if CONFIG_VP9_HIGHBITDEPTH
661                               cm->use_highbitdepth,
662#endif
663                               VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
664                               NULL, NULL, NULL))
665    vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
666                       "Failed to allocate scaled source buffer");
667
668  if (vpx_realloc_frame_buffer(&cpi->scaled_last_source,
669                               cm->width, cm->height,
670                               cm->subsampling_x, cm->subsampling_y,
671#if CONFIG_VP9_HIGHBITDEPTH
672                               cm->use_highbitdepth,
673#endif
674                               VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
675                               NULL, NULL, NULL))
676    vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
677                       "Failed to allocate scaled last source buffer");
678}
679
680
681static int alloc_context_buffers_ext(VP9_COMP *cpi) {
682  VP9_COMMON *cm = &cpi->common;
683  int mi_size = cm->mi_cols * cm->mi_rows;
684
685  cpi->mbmi_ext_base = vpx_calloc(mi_size, sizeof(*cpi->mbmi_ext_base));
686  if (!cpi->mbmi_ext_base)
687    return 1;
688
689  return 0;
690}
691
692static void alloc_compressor_data(VP9_COMP *cpi) {
693  VP9_COMMON *cm = &cpi->common;
694
695  vp9_alloc_context_buffers(cm, cm->width, cm->height);
696
697  alloc_context_buffers_ext(cpi);
698
699  vpx_free(cpi->tile_tok[0][0]);
700
701  {
702    unsigned int tokens = get_token_alloc(cm->mb_rows, cm->mb_cols);
703    CHECK_MEM_ERROR(cm, cpi->tile_tok[0][0],
704        vpx_calloc(tokens, sizeof(*cpi->tile_tok[0][0])));
705  }
706
707  vp9_setup_pc_tree(&cpi->common, &cpi->td);
708}
709
710void vp9_new_framerate(VP9_COMP *cpi, double framerate) {
711  cpi->framerate = framerate < 0.1 ? 30 : framerate;
712  vp9_rc_update_framerate(cpi);
713}
714
715static void set_tile_limits(VP9_COMP *cpi) {
716  VP9_COMMON *const cm = &cpi->common;
717
718  int min_log2_tile_cols, max_log2_tile_cols;
719  vp9_get_tile_n_bits(cm->mi_cols, &min_log2_tile_cols, &max_log2_tile_cols);
720
721  if (is_two_pass_svc(cpi) &&
722      (cpi->svc.encode_empty_frame_state == ENCODING ||
723      cpi->svc.number_spatial_layers > 1)) {
724    cm->log2_tile_cols = 0;
725    cm->log2_tile_rows = 0;
726  } else {
727    cm->log2_tile_cols = clamp(cpi->oxcf.tile_columns,
728                               min_log2_tile_cols, max_log2_tile_cols);
729    cm->log2_tile_rows = cpi->oxcf.tile_rows;
730  }
731}
732
733static void update_frame_size(VP9_COMP *cpi) {
734  VP9_COMMON *const cm = &cpi->common;
735  MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
736
737  vp9_set_mb_mi(cm, cm->width, cm->height);
738  vp9_init_context_buffers(cm);
739  vp9_init_macroblockd(cm, xd, NULL);
740  cpi->td.mb.mbmi_ext_base = cpi->mbmi_ext_base;
741  memset(cpi->mbmi_ext_base, 0,
742         cm->mi_rows * cm->mi_cols * sizeof(*cpi->mbmi_ext_base));
743
744  set_tile_limits(cpi);
745
746  if (is_two_pass_svc(cpi)) {
747    if (vpx_realloc_frame_buffer(&cpi->alt_ref_buffer,
748                                 cm->width, cm->height,
749                                 cm->subsampling_x, cm->subsampling_y,
750#if CONFIG_VP9_HIGHBITDEPTH
751                                 cm->use_highbitdepth,
752#endif
753                                 VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
754                                 NULL, NULL, NULL))
755      vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
756                         "Failed to reallocate alt_ref_buffer");
757  }
758}
759
760static void init_buffer_indices(VP9_COMP *cpi) {
761  cpi->lst_fb_idx = 0;
762  cpi->gld_fb_idx = 1;
763  cpi->alt_fb_idx = 2;
764}
765
766static void init_config(struct VP9_COMP *cpi, VP9EncoderConfig *oxcf) {
767  VP9_COMMON *const cm = &cpi->common;
768
769  cpi->oxcf = *oxcf;
770  cpi->framerate = oxcf->init_framerate;
771
772  cm->profile = oxcf->profile;
773  cm->bit_depth = oxcf->bit_depth;
774#if CONFIG_VP9_HIGHBITDEPTH
775  cm->use_highbitdepth = oxcf->use_highbitdepth;
776#endif
777  cm->color_space = oxcf->color_space;
778  cm->color_range = oxcf->color_range;
779
780  cm->width = oxcf->width;
781  cm->height = oxcf->height;
782  alloc_compressor_data(cpi);
783
784  cpi->svc.temporal_layering_mode = oxcf->temporal_layering_mode;
785
786  // Single thread case: use counts in common.
787  cpi->td.counts = &cm->counts;
788
789  // Spatial scalability.
790  cpi->svc.number_spatial_layers = oxcf->ss_number_layers;
791  // Temporal scalability.
792  cpi->svc.number_temporal_layers = oxcf->ts_number_layers;
793
794  if ((cpi->svc.number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR) ||
795      ((cpi->svc.number_temporal_layers > 1 ||
796        cpi->svc.number_spatial_layers > 1) &&
797       cpi->oxcf.pass != 1)) {
798    vp9_init_layer_context(cpi);
799  }
800
801  // change includes all joint functionality
802  vp9_change_config(cpi, oxcf);
803
804  cpi->static_mb_pct = 0;
805  cpi->ref_frame_flags = 0;
806
807  init_buffer_indices(cpi);
808}
809
810static void set_rc_buffer_sizes(RATE_CONTROL *rc,
811                                const VP9EncoderConfig *oxcf) {
812  const int64_t bandwidth = oxcf->target_bandwidth;
813  const int64_t starting = oxcf->starting_buffer_level_ms;
814  const int64_t optimal = oxcf->optimal_buffer_level_ms;
815  const int64_t maximum = oxcf->maximum_buffer_size_ms;
816
817  rc->starting_buffer_level = starting * bandwidth / 1000;
818  rc->optimal_buffer_level = (optimal == 0) ? bandwidth / 8
819                                            : optimal * bandwidth / 1000;
820  rc->maximum_buffer_size = (maximum == 0) ? bandwidth / 8
821                                           : maximum * bandwidth / 1000;
822}
823
824#if CONFIG_VP9_HIGHBITDEPTH
825#define HIGHBD_BFP(BT, SDF, SDAF, VF, SVF, SVAF, SDX3F, SDX8F, SDX4DF) \
826    cpi->fn_ptr[BT].sdf = SDF; \
827    cpi->fn_ptr[BT].sdaf = SDAF; \
828    cpi->fn_ptr[BT].vf = VF; \
829    cpi->fn_ptr[BT].svf = SVF; \
830    cpi->fn_ptr[BT].svaf = SVAF; \
831    cpi->fn_ptr[BT].sdx3f = SDX3F; \
832    cpi->fn_ptr[BT].sdx8f = SDX8F; \
833    cpi->fn_ptr[BT].sdx4df = SDX4DF;
834
835#define MAKE_BFP_SAD_WRAPPER(fnname) \
836static unsigned int fnname##_bits8(const uint8_t *src_ptr, \
837                                   int source_stride, \
838                                   const uint8_t *ref_ptr, \
839                                   int ref_stride) {  \
840  return fnname(src_ptr, source_stride, ref_ptr, ref_stride); \
841} \
842static unsigned int fnname##_bits10(const uint8_t *src_ptr, \
843                                    int source_stride, \
844                                    const uint8_t *ref_ptr, \
845                                    int ref_stride) {  \
846  return fnname(src_ptr, source_stride, ref_ptr, ref_stride) >> 2; \
847} \
848static unsigned int fnname##_bits12(const uint8_t *src_ptr, \
849                                    int source_stride, \
850                                    const uint8_t *ref_ptr, \
851                                    int ref_stride) {  \
852  return fnname(src_ptr, source_stride, ref_ptr, ref_stride) >> 4; \
853}
854
855#define MAKE_BFP_SADAVG_WRAPPER(fnname) static unsigned int \
856fnname##_bits8(const uint8_t *src_ptr, \
857               int source_stride, \
858               const uint8_t *ref_ptr, \
859               int ref_stride, \
860               const uint8_t *second_pred) {  \
861  return fnname(src_ptr, source_stride, ref_ptr, ref_stride, second_pred); \
862} \
863static unsigned int fnname##_bits10(const uint8_t *src_ptr, \
864                                    int source_stride, \
865                                    const uint8_t *ref_ptr, \
866                                    int ref_stride, \
867                                    const uint8_t *second_pred) {  \
868  return fnname(src_ptr, source_stride, ref_ptr, ref_stride, \
869                second_pred) >> 2; \
870} \
871static unsigned int fnname##_bits12(const uint8_t *src_ptr, \
872                                    int source_stride, \
873                                    const uint8_t *ref_ptr, \
874                                    int ref_stride, \
875                                    const uint8_t *second_pred) {  \
876  return fnname(src_ptr, source_stride, ref_ptr, ref_stride, \
877                second_pred) >> 4; \
878}
879
880#define MAKE_BFP_SAD3_WRAPPER(fnname) \
881static void fnname##_bits8(const uint8_t *src_ptr, \
882                           int source_stride, \
883                           const uint8_t *ref_ptr, \
884                           int  ref_stride, \
885                           unsigned int *sad_array) {  \
886  fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
887} \
888static void fnname##_bits10(const uint8_t *src_ptr, \
889                            int source_stride, \
890                            const uint8_t *ref_ptr, \
891                            int  ref_stride, \
892                            unsigned int *sad_array) {  \
893  int i; \
894  fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
895  for (i = 0; i < 3; i++) \
896    sad_array[i] >>= 2; \
897} \
898static void fnname##_bits12(const uint8_t *src_ptr, \
899                            int source_stride, \
900                            const uint8_t *ref_ptr, \
901                            int  ref_stride, \
902                            unsigned int *sad_array) {  \
903  int i; \
904  fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
905  for (i = 0; i < 3; i++) \
906    sad_array[i] >>= 4; \
907}
908
909#define MAKE_BFP_SAD8_WRAPPER(fnname) \
910static void fnname##_bits8(const uint8_t *src_ptr, \
911                           int source_stride, \
912                           const uint8_t *ref_ptr, \
913                           int  ref_stride, \
914                           unsigned int *sad_array) {  \
915  fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
916} \
917static void fnname##_bits10(const uint8_t *src_ptr, \
918                            int source_stride, \
919                            const uint8_t *ref_ptr, \
920                            int  ref_stride, \
921                            unsigned int *sad_array) {  \
922  int i; \
923  fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
924  for (i = 0; i < 8; i++) \
925    sad_array[i] >>= 2; \
926} \
927static void fnname##_bits12(const uint8_t *src_ptr, \
928                            int source_stride, \
929                            const uint8_t *ref_ptr, \
930                            int  ref_stride, \
931                            unsigned int *sad_array) {  \
932  int i; \
933  fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
934  for (i = 0; i < 8; i++) \
935    sad_array[i] >>= 4; \
936}
937#define MAKE_BFP_SAD4D_WRAPPER(fnname) \
938static void fnname##_bits8(const uint8_t *src_ptr, \
939                           int source_stride, \
940                           const uint8_t* const ref_ptr[], \
941                           int  ref_stride, \
942                           unsigned int *sad_array) {  \
943  fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
944} \
945static void fnname##_bits10(const uint8_t *src_ptr, \
946                            int source_stride, \
947                            const uint8_t* const ref_ptr[], \
948                            int  ref_stride, \
949                            unsigned int *sad_array) {  \
950  int i; \
951  fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
952  for (i = 0; i < 4; i++) \
953  sad_array[i] >>= 2; \
954} \
955static void fnname##_bits12(const uint8_t *src_ptr, \
956                            int source_stride, \
957                            const uint8_t* const ref_ptr[], \
958                            int  ref_stride, \
959                            unsigned int *sad_array) {  \
960  int i; \
961  fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array); \
962  for (i = 0; i < 4; i++) \
963  sad_array[i] >>= 4; \
964}
965
966MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad32x16)
967MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad32x16_avg)
968MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad32x16x4d)
969MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad16x32)
970MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad16x32_avg)
971MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad16x32x4d)
972MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad64x32)
973MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad64x32_avg)
974MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad64x32x4d)
975MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad32x64)
976MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad32x64_avg)
977MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad32x64x4d)
978MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad32x32)
979MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad32x32_avg)
980MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad32x32x3)
981MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad32x32x8)
982MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad32x32x4d)
983MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad64x64)
984MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad64x64_avg)
985MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad64x64x3)
986MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad64x64x8)
987MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad64x64x4d)
988MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad16x16)
989MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad16x16_avg)
990MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad16x16x3)
991MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad16x16x8)
992MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad16x16x4d)
993MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad16x8)
994MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad16x8_avg)
995MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad16x8x3)
996MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad16x8x8)
997MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad16x8x4d)
998MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad8x16)
999MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad8x16_avg)
1000MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad8x16x3)
1001MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad8x16x8)
1002MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad8x16x4d)
1003MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad8x8)
1004MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad8x8_avg)
1005MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad8x8x3)
1006MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad8x8x8)
1007MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad8x8x4d)
1008MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad8x4)
1009MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad8x4_avg)
1010MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad8x4x8)
1011MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad8x4x4d)
1012MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad4x8)
1013MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad4x8_avg)
1014MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad4x8x8)
1015MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad4x8x4d)
1016MAKE_BFP_SAD_WRAPPER(vpx_highbd_sad4x4)
1017MAKE_BFP_SADAVG_WRAPPER(vpx_highbd_sad4x4_avg)
1018MAKE_BFP_SAD3_WRAPPER(vpx_highbd_sad4x4x3)
1019MAKE_BFP_SAD8_WRAPPER(vpx_highbd_sad4x4x8)
1020MAKE_BFP_SAD4D_WRAPPER(vpx_highbd_sad4x4x4d)
1021
1022static void  highbd_set_var_fns(VP9_COMP *const cpi) {
1023  VP9_COMMON *const cm = &cpi->common;
1024  if (cm->use_highbitdepth) {
1025    switch (cm->bit_depth) {
1026      case VPX_BITS_8:
1027        HIGHBD_BFP(BLOCK_32X16,
1028                   vpx_highbd_sad32x16_bits8,
1029                   vpx_highbd_sad32x16_avg_bits8,
1030                   vpx_highbd_8_variance32x16,
1031                   vpx_highbd_8_sub_pixel_variance32x16,
1032                   vpx_highbd_8_sub_pixel_avg_variance32x16,
1033                   NULL,
1034                   NULL,
1035                   vpx_highbd_sad32x16x4d_bits8)
1036
1037        HIGHBD_BFP(BLOCK_16X32,
1038                   vpx_highbd_sad16x32_bits8,
1039                   vpx_highbd_sad16x32_avg_bits8,
1040                   vpx_highbd_8_variance16x32,
1041                   vpx_highbd_8_sub_pixel_variance16x32,
1042                   vpx_highbd_8_sub_pixel_avg_variance16x32,
1043                   NULL,
1044                   NULL,
1045                   vpx_highbd_sad16x32x4d_bits8)
1046
1047        HIGHBD_BFP(BLOCK_64X32,
1048                   vpx_highbd_sad64x32_bits8,
1049                   vpx_highbd_sad64x32_avg_bits8,
1050                   vpx_highbd_8_variance64x32,
1051                   vpx_highbd_8_sub_pixel_variance64x32,
1052                   vpx_highbd_8_sub_pixel_avg_variance64x32,
1053                   NULL,
1054                   NULL,
1055                   vpx_highbd_sad64x32x4d_bits8)
1056
1057        HIGHBD_BFP(BLOCK_32X64,
1058                   vpx_highbd_sad32x64_bits8,
1059                   vpx_highbd_sad32x64_avg_bits8,
1060                   vpx_highbd_8_variance32x64,
1061                   vpx_highbd_8_sub_pixel_variance32x64,
1062                   vpx_highbd_8_sub_pixel_avg_variance32x64,
1063                   NULL,
1064                   NULL,
1065                   vpx_highbd_sad32x64x4d_bits8)
1066
1067        HIGHBD_BFP(BLOCK_32X32,
1068                   vpx_highbd_sad32x32_bits8,
1069                   vpx_highbd_sad32x32_avg_bits8,
1070                   vpx_highbd_8_variance32x32,
1071                   vpx_highbd_8_sub_pixel_variance32x32,
1072                   vpx_highbd_8_sub_pixel_avg_variance32x32,
1073                   vpx_highbd_sad32x32x3_bits8,
1074                   vpx_highbd_sad32x32x8_bits8,
1075                   vpx_highbd_sad32x32x4d_bits8)
1076
1077        HIGHBD_BFP(BLOCK_64X64,
1078                   vpx_highbd_sad64x64_bits8,
1079                   vpx_highbd_sad64x64_avg_bits8,
1080                   vpx_highbd_8_variance64x64,
1081                   vpx_highbd_8_sub_pixel_variance64x64,
1082                   vpx_highbd_8_sub_pixel_avg_variance64x64,
1083                   vpx_highbd_sad64x64x3_bits8,
1084                   vpx_highbd_sad64x64x8_bits8,
1085                   vpx_highbd_sad64x64x4d_bits8)
1086
1087        HIGHBD_BFP(BLOCK_16X16,
1088                   vpx_highbd_sad16x16_bits8,
1089                   vpx_highbd_sad16x16_avg_bits8,
1090                   vpx_highbd_8_variance16x16,
1091                   vpx_highbd_8_sub_pixel_variance16x16,
1092                   vpx_highbd_8_sub_pixel_avg_variance16x16,
1093                   vpx_highbd_sad16x16x3_bits8,
1094                   vpx_highbd_sad16x16x8_bits8,
1095                   vpx_highbd_sad16x16x4d_bits8)
1096
1097        HIGHBD_BFP(BLOCK_16X8,
1098                   vpx_highbd_sad16x8_bits8,
1099                   vpx_highbd_sad16x8_avg_bits8,
1100                   vpx_highbd_8_variance16x8,
1101                   vpx_highbd_8_sub_pixel_variance16x8,
1102                   vpx_highbd_8_sub_pixel_avg_variance16x8,
1103                   vpx_highbd_sad16x8x3_bits8,
1104                   vpx_highbd_sad16x8x8_bits8,
1105                   vpx_highbd_sad16x8x4d_bits8)
1106
1107        HIGHBD_BFP(BLOCK_8X16,
1108                   vpx_highbd_sad8x16_bits8,
1109                   vpx_highbd_sad8x16_avg_bits8,
1110                   vpx_highbd_8_variance8x16,
1111                   vpx_highbd_8_sub_pixel_variance8x16,
1112                   vpx_highbd_8_sub_pixel_avg_variance8x16,
1113                   vpx_highbd_sad8x16x3_bits8,
1114                   vpx_highbd_sad8x16x8_bits8,
1115                   vpx_highbd_sad8x16x4d_bits8)
1116
1117        HIGHBD_BFP(BLOCK_8X8,
1118                   vpx_highbd_sad8x8_bits8,
1119                   vpx_highbd_sad8x8_avg_bits8,
1120                   vpx_highbd_8_variance8x8,
1121                   vpx_highbd_8_sub_pixel_variance8x8,
1122                   vpx_highbd_8_sub_pixel_avg_variance8x8,
1123                   vpx_highbd_sad8x8x3_bits8,
1124                   vpx_highbd_sad8x8x8_bits8,
1125                   vpx_highbd_sad8x8x4d_bits8)
1126
1127        HIGHBD_BFP(BLOCK_8X4,
1128                   vpx_highbd_sad8x4_bits8,
1129                   vpx_highbd_sad8x4_avg_bits8,
1130                   vpx_highbd_8_variance8x4,
1131                   vpx_highbd_8_sub_pixel_variance8x4,
1132                   vpx_highbd_8_sub_pixel_avg_variance8x4,
1133                   NULL,
1134                   vpx_highbd_sad8x4x8_bits8,
1135                   vpx_highbd_sad8x4x4d_bits8)
1136
1137        HIGHBD_BFP(BLOCK_4X8,
1138                   vpx_highbd_sad4x8_bits8,
1139                   vpx_highbd_sad4x8_avg_bits8,
1140                   vpx_highbd_8_variance4x8,
1141                   vpx_highbd_8_sub_pixel_variance4x8,
1142                   vpx_highbd_8_sub_pixel_avg_variance4x8,
1143                   NULL,
1144                   vpx_highbd_sad4x8x8_bits8,
1145                   vpx_highbd_sad4x8x4d_bits8)
1146
1147        HIGHBD_BFP(BLOCK_4X4,
1148                   vpx_highbd_sad4x4_bits8,
1149                   vpx_highbd_sad4x4_avg_bits8,
1150                   vpx_highbd_8_variance4x4,
1151                   vpx_highbd_8_sub_pixel_variance4x4,
1152                   vpx_highbd_8_sub_pixel_avg_variance4x4,
1153                   vpx_highbd_sad4x4x3_bits8,
1154                   vpx_highbd_sad4x4x8_bits8,
1155                   vpx_highbd_sad4x4x4d_bits8)
1156        break;
1157
1158      case VPX_BITS_10:
1159        HIGHBD_BFP(BLOCK_32X16,
1160                   vpx_highbd_sad32x16_bits10,
1161                   vpx_highbd_sad32x16_avg_bits10,
1162                   vpx_highbd_10_variance32x16,
1163                   vpx_highbd_10_sub_pixel_variance32x16,
1164                   vpx_highbd_10_sub_pixel_avg_variance32x16,
1165                   NULL,
1166                   NULL,
1167                   vpx_highbd_sad32x16x4d_bits10)
1168
1169        HIGHBD_BFP(BLOCK_16X32,
1170                   vpx_highbd_sad16x32_bits10,
1171                   vpx_highbd_sad16x32_avg_bits10,
1172                   vpx_highbd_10_variance16x32,
1173                   vpx_highbd_10_sub_pixel_variance16x32,
1174                   vpx_highbd_10_sub_pixel_avg_variance16x32,
1175                   NULL,
1176                   NULL,
1177                   vpx_highbd_sad16x32x4d_bits10)
1178
1179        HIGHBD_BFP(BLOCK_64X32,
1180                   vpx_highbd_sad64x32_bits10,
1181                   vpx_highbd_sad64x32_avg_bits10,
1182                   vpx_highbd_10_variance64x32,
1183                   vpx_highbd_10_sub_pixel_variance64x32,
1184                   vpx_highbd_10_sub_pixel_avg_variance64x32,
1185                   NULL,
1186                   NULL,
1187                   vpx_highbd_sad64x32x4d_bits10)
1188
1189        HIGHBD_BFP(BLOCK_32X64,
1190                   vpx_highbd_sad32x64_bits10,
1191                   vpx_highbd_sad32x64_avg_bits10,
1192                   vpx_highbd_10_variance32x64,
1193                   vpx_highbd_10_sub_pixel_variance32x64,
1194                   vpx_highbd_10_sub_pixel_avg_variance32x64,
1195                   NULL,
1196                   NULL,
1197                   vpx_highbd_sad32x64x4d_bits10)
1198
1199        HIGHBD_BFP(BLOCK_32X32,
1200                   vpx_highbd_sad32x32_bits10,
1201                   vpx_highbd_sad32x32_avg_bits10,
1202                   vpx_highbd_10_variance32x32,
1203                   vpx_highbd_10_sub_pixel_variance32x32,
1204                   vpx_highbd_10_sub_pixel_avg_variance32x32,
1205                   vpx_highbd_sad32x32x3_bits10,
1206                   vpx_highbd_sad32x32x8_bits10,
1207                   vpx_highbd_sad32x32x4d_bits10)
1208
1209        HIGHBD_BFP(BLOCK_64X64,
1210                   vpx_highbd_sad64x64_bits10,
1211                   vpx_highbd_sad64x64_avg_bits10,
1212                   vpx_highbd_10_variance64x64,
1213                   vpx_highbd_10_sub_pixel_variance64x64,
1214                   vpx_highbd_10_sub_pixel_avg_variance64x64,
1215                   vpx_highbd_sad64x64x3_bits10,
1216                   vpx_highbd_sad64x64x8_bits10,
1217                   vpx_highbd_sad64x64x4d_bits10)
1218
1219        HIGHBD_BFP(BLOCK_16X16,
1220                   vpx_highbd_sad16x16_bits10,
1221                   vpx_highbd_sad16x16_avg_bits10,
1222                   vpx_highbd_10_variance16x16,
1223                   vpx_highbd_10_sub_pixel_variance16x16,
1224                   vpx_highbd_10_sub_pixel_avg_variance16x16,
1225                   vpx_highbd_sad16x16x3_bits10,
1226                   vpx_highbd_sad16x16x8_bits10,
1227                   vpx_highbd_sad16x16x4d_bits10)
1228
1229        HIGHBD_BFP(BLOCK_16X8,
1230                   vpx_highbd_sad16x8_bits10,
1231                   vpx_highbd_sad16x8_avg_bits10,
1232                   vpx_highbd_10_variance16x8,
1233                   vpx_highbd_10_sub_pixel_variance16x8,
1234                   vpx_highbd_10_sub_pixel_avg_variance16x8,
1235                   vpx_highbd_sad16x8x3_bits10,
1236                   vpx_highbd_sad16x8x8_bits10,
1237                   vpx_highbd_sad16x8x4d_bits10)
1238
1239        HIGHBD_BFP(BLOCK_8X16,
1240                   vpx_highbd_sad8x16_bits10,
1241                   vpx_highbd_sad8x16_avg_bits10,
1242                   vpx_highbd_10_variance8x16,
1243                   vpx_highbd_10_sub_pixel_variance8x16,
1244                   vpx_highbd_10_sub_pixel_avg_variance8x16,
1245                   vpx_highbd_sad8x16x3_bits10,
1246                   vpx_highbd_sad8x16x8_bits10,
1247                   vpx_highbd_sad8x16x4d_bits10)
1248
1249        HIGHBD_BFP(BLOCK_8X8,
1250                   vpx_highbd_sad8x8_bits10,
1251                   vpx_highbd_sad8x8_avg_bits10,
1252                   vpx_highbd_10_variance8x8,
1253                   vpx_highbd_10_sub_pixel_variance8x8,
1254                   vpx_highbd_10_sub_pixel_avg_variance8x8,
1255                   vpx_highbd_sad8x8x3_bits10,
1256                   vpx_highbd_sad8x8x8_bits10,
1257                   vpx_highbd_sad8x8x4d_bits10)
1258
1259        HIGHBD_BFP(BLOCK_8X4,
1260                   vpx_highbd_sad8x4_bits10,
1261                   vpx_highbd_sad8x4_avg_bits10,
1262                   vpx_highbd_10_variance8x4,
1263                   vpx_highbd_10_sub_pixel_variance8x4,
1264                   vpx_highbd_10_sub_pixel_avg_variance8x4,
1265                   NULL,
1266                   vpx_highbd_sad8x4x8_bits10,
1267                   vpx_highbd_sad8x4x4d_bits10)
1268
1269        HIGHBD_BFP(BLOCK_4X8,
1270                   vpx_highbd_sad4x8_bits10,
1271                   vpx_highbd_sad4x8_avg_bits10,
1272                   vpx_highbd_10_variance4x8,
1273                   vpx_highbd_10_sub_pixel_variance4x8,
1274                   vpx_highbd_10_sub_pixel_avg_variance4x8,
1275                   NULL,
1276                   vpx_highbd_sad4x8x8_bits10,
1277                   vpx_highbd_sad4x8x4d_bits10)
1278
1279        HIGHBD_BFP(BLOCK_4X4,
1280                   vpx_highbd_sad4x4_bits10,
1281                   vpx_highbd_sad4x4_avg_bits10,
1282                   vpx_highbd_10_variance4x4,
1283                   vpx_highbd_10_sub_pixel_variance4x4,
1284                   vpx_highbd_10_sub_pixel_avg_variance4x4,
1285                   vpx_highbd_sad4x4x3_bits10,
1286                   vpx_highbd_sad4x4x8_bits10,
1287                   vpx_highbd_sad4x4x4d_bits10)
1288        break;
1289
1290      case VPX_BITS_12:
1291        HIGHBD_BFP(BLOCK_32X16,
1292                   vpx_highbd_sad32x16_bits12,
1293                   vpx_highbd_sad32x16_avg_bits12,
1294                   vpx_highbd_12_variance32x16,
1295                   vpx_highbd_12_sub_pixel_variance32x16,
1296                   vpx_highbd_12_sub_pixel_avg_variance32x16,
1297                   NULL,
1298                   NULL,
1299                   vpx_highbd_sad32x16x4d_bits12)
1300
1301        HIGHBD_BFP(BLOCK_16X32,
1302                   vpx_highbd_sad16x32_bits12,
1303                   vpx_highbd_sad16x32_avg_bits12,
1304                   vpx_highbd_12_variance16x32,
1305                   vpx_highbd_12_sub_pixel_variance16x32,
1306                   vpx_highbd_12_sub_pixel_avg_variance16x32,
1307                   NULL,
1308                   NULL,
1309                   vpx_highbd_sad16x32x4d_bits12)
1310
1311        HIGHBD_BFP(BLOCK_64X32,
1312                   vpx_highbd_sad64x32_bits12,
1313                   vpx_highbd_sad64x32_avg_bits12,
1314                   vpx_highbd_12_variance64x32,
1315                   vpx_highbd_12_sub_pixel_variance64x32,
1316                   vpx_highbd_12_sub_pixel_avg_variance64x32,
1317                   NULL,
1318                   NULL,
1319                   vpx_highbd_sad64x32x4d_bits12)
1320
1321        HIGHBD_BFP(BLOCK_32X64,
1322                   vpx_highbd_sad32x64_bits12,
1323                   vpx_highbd_sad32x64_avg_bits12,
1324                   vpx_highbd_12_variance32x64,
1325                   vpx_highbd_12_sub_pixel_variance32x64,
1326                   vpx_highbd_12_sub_pixel_avg_variance32x64,
1327                   NULL,
1328                   NULL,
1329                   vpx_highbd_sad32x64x4d_bits12)
1330
1331        HIGHBD_BFP(BLOCK_32X32,
1332                   vpx_highbd_sad32x32_bits12,
1333                   vpx_highbd_sad32x32_avg_bits12,
1334                   vpx_highbd_12_variance32x32,
1335                   vpx_highbd_12_sub_pixel_variance32x32,
1336                   vpx_highbd_12_sub_pixel_avg_variance32x32,
1337                   vpx_highbd_sad32x32x3_bits12,
1338                   vpx_highbd_sad32x32x8_bits12,
1339                   vpx_highbd_sad32x32x4d_bits12)
1340
1341        HIGHBD_BFP(BLOCK_64X64,
1342                   vpx_highbd_sad64x64_bits12,
1343                   vpx_highbd_sad64x64_avg_bits12,
1344                   vpx_highbd_12_variance64x64,
1345                   vpx_highbd_12_sub_pixel_variance64x64,
1346                   vpx_highbd_12_sub_pixel_avg_variance64x64,
1347                   vpx_highbd_sad64x64x3_bits12,
1348                   vpx_highbd_sad64x64x8_bits12,
1349                   vpx_highbd_sad64x64x4d_bits12)
1350
1351        HIGHBD_BFP(BLOCK_16X16,
1352                   vpx_highbd_sad16x16_bits12,
1353                   vpx_highbd_sad16x16_avg_bits12,
1354                   vpx_highbd_12_variance16x16,
1355                   vpx_highbd_12_sub_pixel_variance16x16,
1356                   vpx_highbd_12_sub_pixel_avg_variance16x16,
1357                   vpx_highbd_sad16x16x3_bits12,
1358                   vpx_highbd_sad16x16x8_bits12,
1359                   vpx_highbd_sad16x16x4d_bits12)
1360
1361        HIGHBD_BFP(BLOCK_16X8,
1362                   vpx_highbd_sad16x8_bits12,
1363                   vpx_highbd_sad16x8_avg_bits12,
1364                   vpx_highbd_12_variance16x8,
1365                   vpx_highbd_12_sub_pixel_variance16x8,
1366                   vpx_highbd_12_sub_pixel_avg_variance16x8,
1367                   vpx_highbd_sad16x8x3_bits12,
1368                   vpx_highbd_sad16x8x8_bits12,
1369                   vpx_highbd_sad16x8x4d_bits12)
1370
1371        HIGHBD_BFP(BLOCK_8X16,
1372                   vpx_highbd_sad8x16_bits12,
1373                   vpx_highbd_sad8x16_avg_bits12,
1374                   vpx_highbd_12_variance8x16,
1375                   vpx_highbd_12_sub_pixel_variance8x16,
1376                   vpx_highbd_12_sub_pixel_avg_variance8x16,
1377                   vpx_highbd_sad8x16x3_bits12,
1378                   vpx_highbd_sad8x16x8_bits12,
1379                   vpx_highbd_sad8x16x4d_bits12)
1380
1381        HIGHBD_BFP(BLOCK_8X8,
1382                   vpx_highbd_sad8x8_bits12,
1383                   vpx_highbd_sad8x8_avg_bits12,
1384                   vpx_highbd_12_variance8x8,
1385                   vpx_highbd_12_sub_pixel_variance8x8,
1386                   vpx_highbd_12_sub_pixel_avg_variance8x8,
1387                   vpx_highbd_sad8x8x3_bits12,
1388                   vpx_highbd_sad8x8x8_bits12,
1389                   vpx_highbd_sad8x8x4d_bits12)
1390
1391        HIGHBD_BFP(BLOCK_8X4,
1392                   vpx_highbd_sad8x4_bits12,
1393                   vpx_highbd_sad8x4_avg_bits12,
1394                   vpx_highbd_12_variance8x4,
1395                   vpx_highbd_12_sub_pixel_variance8x4,
1396                   vpx_highbd_12_sub_pixel_avg_variance8x4,
1397                   NULL,
1398                   vpx_highbd_sad8x4x8_bits12,
1399                   vpx_highbd_sad8x4x4d_bits12)
1400
1401        HIGHBD_BFP(BLOCK_4X8,
1402                   vpx_highbd_sad4x8_bits12,
1403                   vpx_highbd_sad4x8_avg_bits12,
1404                   vpx_highbd_12_variance4x8,
1405                   vpx_highbd_12_sub_pixel_variance4x8,
1406                   vpx_highbd_12_sub_pixel_avg_variance4x8,
1407                   NULL,
1408                   vpx_highbd_sad4x8x8_bits12,
1409                   vpx_highbd_sad4x8x4d_bits12)
1410
1411        HIGHBD_BFP(BLOCK_4X4,
1412                   vpx_highbd_sad4x4_bits12,
1413                   vpx_highbd_sad4x4_avg_bits12,
1414                   vpx_highbd_12_variance4x4,
1415                   vpx_highbd_12_sub_pixel_variance4x4,
1416                   vpx_highbd_12_sub_pixel_avg_variance4x4,
1417                   vpx_highbd_sad4x4x3_bits12,
1418                   vpx_highbd_sad4x4x8_bits12,
1419                   vpx_highbd_sad4x4x4d_bits12)
1420        break;
1421
1422      default:
1423        assert(0 && "cm->bit_depth should be VPX_BITS_8, "
1424                    "VPX_BITS_10 or VPX_BITS_12");
1425    }
1426  }
1427}
1428#endif  // CONFIG_VP9_HIGHBITDEPTH
1429
1430static void realloc_segmentation_maps(VP9_COMP *cpi) {
1431  VP9_COMMON *const cm = &cpi->common;
1432
1433  // Create the encoder segmentation map and set all entries to 0
1434  vpx_free(cpi->segmentation_map);
1435  CHECK_MEM_ERROR(cm, cpi->segmentation_map,
1436                  vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
1437
1438  // Create a map used for cyclic background refresh.
1439  if (cpi->cyclic_refresh)
1440    vp9_cyclic_refresh_free(cpi->cyclic_refresh);
1441  CHECK_MEM_ERROR(cm, cpi->cyclic_refresh,
1442                  vp9_cyclic_refresh_alloc(cm->mi_rows, cm->mi_cols));
1443
1444  // Create a map used to mark inactive areas.
1445  vpx_free(cpi->active_map.map);
1446  CHECK_MEM_ERROR(cm, cpi->active_map.map,
1447                  vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
1448
1449  // And a place holder structure is the coding context
1450  // for use if we want to save and restore it
1451  vpx_free(cpi->coding_context.last_frame_seg_map_copy);
1452  CHECK_MEM_ERROR(cm, cpi->coding_context.last_frame_seg_map_copy,
1453                  vpx_calloc(cm->mi_rows * cm->mi_cols, 1));
1454}
1455
1456void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) {
1457  VP9_COMMON *const cm = &cpi->common;
1458  RATE_CONTROL *const rc = &cpi->rc;
1459  int last_w = cpi->oxcf.width;
1460  int last_h = cpi->oxcf.height;
1461
1462  if (cm->profile != oxcf->profile)
1463    cm->profile = oxcf->profile;
1464  cm->bit_depth = oxcf->bit_depth;
1465  cm->color_space = oxcf->color_space;
1466  cm->color_range = oxcf->color_range;
1467
1468  if (cm->profile <= PROFILE_1)
1469    assert(cm->bit_depth == VPX_BITS_8);
1470  else
1471    assert(cm->bit_depth > VPX_BITS_8);
1472
1473  cpi->oxcf = *oxcf;
1474#if CONFIG_VP9_HIGHBITDEPTH
1475  cpi->td.mb.e_mbd.bd = (int)cm->bit_depth;
1476#endif  // CONFIG_VP9_HIGHBITDEPTH
1477
1478  rc->baseline_gf_interval = (MIN_GF_INTERVAL + MAX_GF_INTERVAL) / 2;
1479
1480  cpi->refresh_golden_frame = 0;
1481  cpi->refresh_last_frame = 1;
1482  cm->refresh_frame_context = 1;
1483  cm->reset_frame_context = 0;
1484
1485  vp9_reset_segment_features(&cm->seg);
1486  vp9_set_high_precision_mv(cpi, 0);
1487
1488  {
1489    int i;
1490
1491    for (i = 0; i < MAX_SEGMENTS; i++)
1492      cpi->segment_encode_breakout[i] = cpi->oxcf.encode_breakout;
1493  }
1494  cpi->encode_breakout = cpi->oxcf.encode_breakout;
1495
1496  set_rc_buffer_sizes(rc, &cpi->oxcf);
1497
1498  // Under a configuration change, where maximum_buffer_size may change,
1499  // keep buffer level clipped to the maximum allowed buffer size.
1500  rc->bits_off_target = VPXMIN(rc->bits_off_target, rc->maximum_buffer_size);
1501  rc->buffer_level = VPXMIN(rc->buffer_level, rc->maximum_buffer_size);
1502
1503  // Set up frame rate and related parameters rate control values.
1504  vp9_new_framerate(cpi, cpi->framerate);
1505
1506  // Set absolute upper and lower quality limits
1507  rc->worst_quality = cpi->oxcf.worst_allowed_q;
1508  rc->best_quality = cpi->oxcf.best_allowed_q;
1509
1510  cm->interp_filter = cpi->sf.default_interp_filter;
1511
1512  if (cpi->oxcf.render_width > 0 && cpi->oxcf.render_height > 0) {
1513    cm->render_width = cpi->oxcf.render_width;
1514    cm->render_height = cpi->oxcf.render_height;
1515  } else {
1516    cm->render_width = cpi->oxcf.width;
1517    cm->render_height = cpi->oxcf.height;
1518  }
1519  if (last_w != cpi->oxcf.width || last_h != cpi->oxcf.height) {
1520    cm->width = cpi->oxcf.width;
1521    cm->height = cpi->oxcf.height;
1522  }
1523
1524  if (cpi->initial_width) {
1525    int new_mi_size = 0;
1526    vp9_set_mb_mi(cm, cm->width, cm->height);
1527    new_mi_size = cm->mi_stride * calc_mi_size(cm->mi_rows);
1528    if (cm->mi_alloc_size < new_mi_size) {
1529      vp9_free_context_buffers(cm);
1530      alloc_compressor_data(cpi);
1531      realloc_segmentation_maps(cpi);
1532      cpi->initial_width = cpi->initial_height = 0;
1533    }
1534  }
1535  update_frame_size(cpi);
1536
1537  if ((cpi->svc.number_temporal_layers > 1 &&
1538      cpi->oxcf.rc_mode == VPX_CBR) ||
1539      ((cpi->svc.number_temporal_layers > 1 ||
1540        cpi->svc.number_spatial_layers > 1) &&
1541       cpi->oxcf.pass != 1)) {
1542    vp9_update_layer_context_change_config(cpi,
1543                                           (int)cpi->oxcf.target_bandwidth);
1544  }
1545
1546  cpi->alt_ref_source = NULL;
1547  rc->is_src_frame_alt_ref = 0;
1548
1549#if 0
1550  // Experimental RD Code
1551  cpi->frame_distortion = 0;
1552  cpi->last_frame_distortion = 0;
1553#endif
1554
1555  set_tile_limits(cpi);
1556
1557  cpi->ext_refresh_frame_flags_pending = 0;
1558  cpi->ext_refresh_frame_context_pending = 0;
1559
1560#if CONFIG_VP9_HIGHBITDEPTH
1561  highbd_set_var_fns(cpi);
1562#endif
1563}
1564
1565#ifndef M_LOG2_E
1566#define M_LOG2_E 0.693147180559945309417
1567#endif
1568#define log2f(x) (log (x) / (float) M_LOG2_E)
1569
1570static void cal_nmvjointsadcost(int *mvjointsadcost) {
1571  mvjointsadcost[0] = 600;
1572  mvjointsadcost[1] = 300;
1573  mvjointsadcost[2] = 300;
1574  mvjointsadcost[3] = 300;
1575}
1576
1577static void cal_nmvsadcosts(int *mvsadcost[2]) {
1578  int i = 1;
1579
1580  mvsadcost[0][0] = 0;
1581  mvsadcost[1][0] = 0;
1582
1583  do {
1584    double z = 256 * (2 * (log2f(8 * i) + .6));
1585    mvsadcost[0][i] = (int)z;
1586    mvsadcost[1][i] = (int)z;
1587    mvsadcost[0][-i] = (int)z;
1588    mvsadcost[1][-i] = (int)z;
1589  } while (++i <= MV_MAX);
1590}
1591
1592static void cal_nmvsadcosts_hp(int *mvsadcost[2]) {
1593  int i = 1;
1594
1595  mvsadcost[0][0] = 0;
1596  mvsadcost[1][0] = 0;
1597
1598  do {
1599    double z = 256 * (2 * (log2f(8 * i) + .6));
1600    mvsadcost[0][i] = (int)z;
1601    mvsadcost[1][i] = (int)z;
1602    mvsadcost[0][-i] = (int)z;
1603    mvsadcost[1][-i] = (int)z;
1604  } while (++i <= MV_MAX);
1605}
1606
1607
1608VP9_COMP *vp9_create_compressor(VP9EncoderConfig *oxcf,
1609                                BufferPool *const pool) {
1610  unsigned int i;
1611  VP9_COMP *volatile const cpi = vpx_memalign(32, sizeof(VP9_COMP));
1612  VP9_COMMON *volatile const cm = cpi != NULL ? &cpi->common : NULL;
1613
1614  if (!cm)
1615    return NULL;
1616
1617  vp9_zero(*cpi);
1618
1619  if (setjmp(cm->error.jmp)) {
1620    cm->error.setjmp = 0;
1621    vp9_remove_compressor(cpi);
1622    return 0;
1623  }
1624
1625  cm->error.setjmp = 1;
1626  cm->alloc_mi = vp9_enc_alloc_mi;
1627  cm->free_mi = vp9_enc_free_mi;
1628  cm->setup_mi = vp9_enc_setup_mi;
1629
1630  CHECK_MEM_ERROR(cm, cm->fc,
1631                  (FRAME_CONTEXT *)vpx_calloc(1, sizeof(*cm->fc)));
1632  CHECK_MEM_ERROR(cm, cm->frame_contexts,
1633                  (FRAME_CONTEXT *)vpx_calloc(FRAME_CONTEXTS,
1634                  sizeof(*cm->frame_contexts)));
1635
1636  cpi->use_svc = 0;
1637  cpi->resize_state = 0;
1638  cpi->resize_avg_qp = 0;
1639  cpi->resize_buffer_underflow = 0;
1640  cpi->common.buffer_pool = pool;
1641
1642  cpi->rc.high_source_sad = 0;
1643
1644  init_config(cpi, oxcf);
1645  vp9_rc_init(&cpi->oxcf, oxcf->pass, &cpi->rc);
1646
1647  cm->current_video_frame = 0;
1648  cpi->partition_search_skippable_frame = 0;
1649  cpi->tile_data = NULL;
1650
1651  realloc_segmentation_maps(cpi);
1652
1653  CHECK_MEM_ERROR(cm, cpi->nmvcosts[0],
1654                  vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts[0])));
1655  CHECK_MEM_ERROR(cm, cpi->nmvcosts[1],
1656                  vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts[1])));
1657  CHECK_MEM_ERROR(cm, cpi->nmvcosts_hp[0],
1658                  vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts_hp[0])));
1659  CHECK_MEM_ERROR(cm, cpi->nmvcosts_hp[1],
1660                  vpx_calloc(MV_VALS, sizeof(*cpi->nmvcosts_hp[1])));
1661  CHECK_MEM_ERROR(cm, cpi->nmvsadcosts[0],
1662                  vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts[0])));
1663  CHECK_MEM_ERROR(cm, cpi->nmvsadcosts[1],
1664                  vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts[1])));
1665  CHECK_MEM_ERROR(cm, cpi->nmvsadcosts_hp[0],
1666                  vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts_hp[0])));
1667  CHECK_MEM_ERROR(cm, cpi->nmvsadcosts_hp[1],
1668                  vpx_calloc(MV_VALS, sizeof(*cpi->nmvsadcosts_hp[1])));
1669
1670  for (i = 0; i < (sizeof(cpi->mbgraph_stats) /
1671                   sizeof(cpi->mbgraph_stats[0])); i++) {
1672    CHECK_MEM_ERROR(cm, cpi->mbgraph_stats[i].mb_stats,
1673                    vpx_calloc(cm->MBs *
1674                               sizeof(*cpi->mbgraph_stats[i].mb_stats), 1));
1675  }
1676
1677#if CONFIG_FP_MB_STATS
1678  cpi->use_fp_mb_stats = 0;
1679  if (cpi->use_fp_mb_stats) {
1680    // a place holder used to store the first pass mb stats in the first pass
1681    CHECK_MEM_ERROR(cm, cpi->twopass.frame_mb_stats_buf,
1682                    vpx_calloc(cm->MBs * sizeof(uint8_t), 1));
1683  } else {
1684    cpi->twopass.frame_mb_stats_buf = NULL;
1685  }
1686#endif
1687
1688  cpi->refresh_alt_ref_frame = 0;
1689  cpi->multi_arf_last_grp_enabled = 0;
1690
1691  cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS;
1692#if CONFIG_INTERNAL_STATS
1693  cpi->b_calculate_ssimg = 0;
1694  cpi->b_calculate_blockiness = 1;
1695  cpi->b_calculate_consistency = 1;
1696  cpi->total_inconsistency = 0;
1697  cpi->psnr.worst = 100.0;
1698  cpi->worst_ssim = 100.0;
1699
1700  cpi->count = 0;
1701  cpi->bytes = 0;
1702
1703  if (cpi->b_calculate_psnr) {
1704    cpi->total_sq_error = 0;
1705    cpi->total_samples = 0;
1706
1707    cpi->totalp_sq_error = 0;
1708    cpi->totalp_samples = 0;
1709
1710    cpi->tot_recode_hits = 0;
1711    cpi->summed_quality = 0;
1712    cpi->summed_weights = 0;
1713    cpi->summedp_quality = 0;
1714    cpi->summedp_weights = 0;
1715  }
1716
1717  if (cpi->b_calculate_ssimg) {
1718    cpi->ssimg.worst= 100.0;
1719  }
1720  cpi->fastssim.worst = 100.0;
1721
1722  cpi->psnrhvs.worst = 100.0;
1723
1724  if (cpi->b_calculate_blockiness) {
1725    cpi->total_blockiness = 0;
1726    cpi->worst_blockiness = 0.0;
1727  }
1728
1729  if (cpi->b_calculate_consistency) {
1730    cpi->ssim_vars = vpx_malloc(sizeof(*cpi->ssim_vars) *
1731                                4 * cpi->common.mi_rows * cpi->common.mi_cols);
1732    cpi->worst_consistency = 100.0;
1733  }
1734
1735#endif
1736
1737  cpi->first_time_stamp_ever = INT64_MAX;
1738
1739  cal_nmvjointsadcost(cpi->td.mb.nmvjointsadcost);
1740  cpi->td.mb.nmvcost[0] = &cpi->nmvcosts[0][MV_MAX];
1741  cpi->td.mb.nmvcost[1] = &cpi->nmvcosts[1][MV_MAX];
1742  cpi->td.mb.nmvsadcost[0] = &cpi->nmvsadcosts[0][MV_MAX];
1743  cpi->td.mb.nmvsadcost[1] = &cpi->nmvsadcosts[1][MV_MAX];
1744  cal_nmvsadcosts(cpi->td.mb.nmvsadcost);
1745
1746  cpi->td.mb.nmvcost_hp[0] = &cpi->nmvcosts_hp[0][MV_MAX];
1747  cpi->td.mb.nmvcost_hp[1] = &cpi->nmvcosts_hp[1][MV_MAX];
1748  cpi->td.mb.nmvsadcost_hp[0] = &cpi->nmvsadcosts_hp[0][MV_MAX];
1749  cpi->td.mb.nmvsadcost_hp[1] = &cpi->nmvsadcosts_hp[1][MV_MAX];
1750  cal_nmvsadcosts_hp(cpi->td.mb.nmvsadcost_hp);
1751
1752#if CONFIG_VP9_TEMPORAL_DENOISING
1753#ifdef OUTPUT_YUV_DENOISED
1754  yuv_denoised_file = fopen("denoised.yuv", "ab");
1755#endif
1756#endif
1757#ifdef OUTPUT_YUV_SKINMAP
1758  yuv_skinmap_file = fopen("skinmap.yuv", "ab");
1759#endif
1760#ifdef OUTPUT_YUV_REC
1761  yuv_rec_file = fopen("rec.yuv", "wb");
1762#endif
1763
1764#if 0
1765  framepsnr = fopen("framepsnr.stt", "a");
1766  kf_list = fopen("kf_list.stt", "w");
1767#endif
1768
1769  cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
1770
1771  if (oxcf->pass == 1) {
1772    vp9_init_first_pass(cpi);
1773  } else if (oxcf->pass == 2) {
1774    const size_t packet_sz = sizeof(FIRSTPASS_STATS);
1775    const int packets = (int)(oxcf->two_pass_stats_in.sz / packet_sz);
1776
1777    if (cpi->svc.number_spatial_layers > 1
1778        || cpi->svc.number_temporal_layers > 1) {
1779      FIRSTPASS_STATS *const stats = oxcf->two_pass_stats_in.buf;
1780      FIRSTPASS_STATS *stats_copy[VPX_SS_MAX_LAYERS] = {0};
1781      int i;
1782
1783      for (i = 0; i < oxcf->ss_number_layers; ++i) {
1784        FIRSTPASS_STATS *const last_packet_for_layer =
1785            &stats[packets - oxcf->ss_number_layers + i];
1786        const int layer_id = (int)last_packet_for_layer->spatial_layer_id;
1787        const int packets_in_layer = (int)last_packet_for_layer->count + 1;
1788        if (layer_id >= 0 && layer_id < oxcf->ss_number_layers) {
1789          LAYER_CONTEXT *const lc = &cpi->svc.layer_context[layer_id];
1790
1791          vpx_free(lc->rc_twopass_stats_in.buf);
1792
1793          lc->rc_twopass_stats_in.sz = packets_in_layer * packet_sz;
1794          CHECK_MEM_ERROR(cm, lc->rc_twopass_stats_in.buf,
1795                          vpx_malloc(lc->rc_twopass_stats_in.sz));
1796          lc->twopass.stats_in_start = lc->rc_twopass_stats_in.buf;
1797          lc->twopass.stats_in = lc->twopass.stats_in_start;
1798          lc->twopass.stats_in_end = lc->twopass.stats_in_start
1799                                     + packets_in_layer - 1;
1800          stats_copy[layer_id] = lc->rc_twopass_stats_in.buf;
1801        }
1802      }
1803
1804      for (i = 0; i < packets; ++i) {
1805        const int layer_id = (int)stats[i].spatial_layer_id;
1806        if (layer_id >= 0 && layer_id < oxcf->ss_number_layers
1807            && stats_copy[layer_id] != NULL) {
1808          *stats_copy[layer_id] = stats[i];
1809          ++stats_copy[layer_id];
1810        }
1811      }
1812
1813      vp9_init_second_pass_spatial_svc(cpi);
1814    } else {
1815#if CONFIG_FP_MB_STATS
1816      if (cpi->use_fp_mb_stats) {
1817        const size_t psz = cpi->common.MBs * sizeof(uint8_t);
1818        const int ps = (int)(oxcf->firstpass_mb_stats_in.sz / psz);
1819
1820        cpi->twopass.firstpass_mb_stats.mb_stats_start =
1821            oxcf->firstpass_mb_stats_in.buf;
1822        cpi->twopass.firstpass_mb_stats.mb_stats_end =
1823            cpi->twopass.firstpass_mb_stats.mb_stats_start +
1824            (ps - 1) * cpi->common.MBs * sizeof(uint8_t);
1825      }
1826#endif
1827
1828      cpi->twopass.stats_in_start = oxcf->two_pass_stats_in.buf;
1829      cpi->twopass.stats_in = cpi->twopass.stats_in_start;
1830      cpi->twopass.stats_in_end = &cpi->twopass.stats_in[packets - 1];
1831
1832      vp9_init_second_pass(cpi);
1833    }
1834  }
1835
1836  vp9_set_speed_features_framesize_independent(cpi);
1837  vp9_set_speed_features_framesize_dependent(cpi);
1838
1839  // Allocate memory to store variances for a frame.
1840  CHECK_MEM_ERROR(cm, cpi->source_diff_var,
1841                  vpx_calloc(cm->MBs, sizeof(diff)));
1842  cpi->source_var_thresh = 0;
1843  cpi->frames_till_next_var_check = 0;
1844
1845#define BFP(BT, SDF, SDAF, VF, SVF, SVAF, SDX3F, SDX8F, SDX4DF)\
1846    cpi->fn_ptr[BT].sdf            = SDF; \
1847    cpi->fn_ptr[BT].sdaf           = SDAF; \
1848    cpi->fn_ptr[BT].vf             = VF; \
1849    cpi->fn_ptr[BT].svf            = SVF; \
1850    cpi->fn_ptr[BT].svaf           = SVAF; \
1851    cpi->fn_ptr[BT].sdx3f          = SDX3F; \
1852    cpi->fn_ptr[BT].sdx8f          = SDX8F; \
1853    cpi->fn_ptr[BT].sdx4df         = SDX4DF;
1854
1855  BFP(BLOCK_32X16, vpx_sad32x16, vpx_sad32x16_avg,
1856      vpx_variance32x16, vpx_sub_pixel_variance32x16,
1857      vpx_sub_pixel_avg_variance32x16, NULL, NULL, vpx_sad32x16x4d)
1858
1859  BFP(BLOCK_16X32, vpx_sad16x32, vpx_sad16x32_avg,
1860      vpx_variance16x32, vpx_sub_pixel_variance16x32,
1861      vpx_sub_pixel_avg_variance16x32, NULL, NULL, vpx_sad16x32x4d)
1862
1863  BFP(BLOCK_64X32, vpx_sad64x32, vpx_sad64x32_avg,
1864      vpx_variance64x32, vpx_sub_pixel_variance64x32,
1865      vpx_sub_pixel_avg_variance64x32, NULL, NULL, vpx_sad64x32x4d)
1866
1867  BFP(BLOCK_32X64, vpx_sad32x64, vpx_sad32x64_avg,
1868      vpx_variance32x64, vpx_sub_pixel_variance32x64,
1869      vpx_sub_pixel_avg_variance32x64, NULL, NULL, vpx_sad32x64x4d)
1870
1871  BFP(BLOCK_32X32, vpx_sad32x32, vpx_sad32x32_avg,
1872      vpx_variance32x32, vpx_sub_pixel_variance32x32,
1873      vpx_sub_pixel_avg_variance32x32, vpx_sad32x32x3, vpx_sad32x32x8,
1874      vpx_sad32x32x4d)
1875
1876  BFP(BLOCK_64X64, vpx_sad64x64, vpx_sad64x64_avg,
1877      vpx_variance64x64, vpx_sub_pixel_variance64x64,
1878      vpx_sub_pixel_avg_variance64x64, vpx_sad64x64x3, vpx_sad64x64x8,
1879      vpx_sad64x64x4d)
1880
1881  BFP(BLOCK_16X16, vpx_sad16x16, vpx_sad16x16_avg,
1882      vpx_variance16x16, vpx_sub_pixel_variance16x16,
1883      vpx_sub_pixel_avg_variance16x16, vpx_sad16x16x3, vpx_sad16x16x8,
1884      vpx_sad16x16x4d)
1885
1886  BFP(BLOCK_16X8, vpx_sad16x8, vpx_sad16x8_avg,
1887      vpx_variance16x8, vpx_sub_pixel_variance16x8,
1888      vpx_sub_pixel_avg_variance16x8,
1889      vpx_sad16x8x3, vpx_sad16x8x8, vpx_sad16x8x4d)
1890
1891  BFP(BLOCK_8X16, vpx_sad8x16, vpx_sad8x16_avg,
1892      vpx_variance8x16, vpx_sub_pixel_variance8x16,
1893      vpx_sub_pixel_avg_variance8x16,
1894      vpx_sad8x16x3, vpx_sad8x16x8, vpx_sad8x16x4d)
1895
1896  BFP(BLOCK_8X8, vpx_sad8x8, vpx_sad8x8_avg,
1897      vpx_variance8x8, vpx_sub_pixel_variance8x8,
1898      vpx_sub_pixel_avg_variance8x8,
1899      vpx_sad8x8x3, vpx_sad8x8x8, vpx_sad8x8x4d)
1900
1901  BFP(BLOCK_8X4, vpx_sad8x4, vpx_sad8x4_avg,
1902      vpx_variance8x4, vpx_sub_pixel_variance8x4,
1903      vpx_sub_pixel_avg_variance8x4, NULL, vpx_sad8x4x8, vpx_sad8x4x4d)
1904
1905  BFP(BLOCK_4X8, vpx_sad4x8, vpx_sad4x8_avg,
1906      vpx_variance4x8, vpx_sub_pixel_variance4x8,
1907      vpx_sub_pixel_avg_variance4x8, NULL, vpx_sad4x8x8, vpx_sad4x8x4d)
1908
1909  BFP(BLOCK_4X4, vpx_sad4x4, vpx_sad4x4_avg,
1910      vpx_variance4x4, vpx_sub_pixel_variance4x4,
1911      vpx_sub_pixel_avg_variance4x4,
1912      vpx_sad4x4x3, vpx_sad4x4x8, vpx_sad4x4x4d)
1913
1914#if CONFIG_VP9_HIGHBITDEPTH
1915  highbd_set_var_fns(cpi);
1916#endif
1917
1918  /* vp9_init_quantizer() is first called here. Add check in
1919   * vp9_frame_init_quantizer() so that vp9_init_quantizer is only
1920   * called later when needed. This will avoid unnecessary calls of
1921   * vp9_init_quantizer() for every frame.
1922   */
1923  vp9_init_quantizer(cpi);
1924
1925  vp9_loop_filter_init(cm);
1926
1927  cm->error.setjmp = 0;
1928
1929  return cpi;
1930}
1931#define SNPRINT(H, T) \
1932  snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T))
1933
1934#define SNPRINT2(H, T, V) \
1935  snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T), (V))
1936
1937void vp9_remove_compressor(VP9_COMP *cpi) {
1938  VP9_COMMON *cm;
1939  unsigned int i;
1940  int t;
1941
1942  if (!cpi)
1943    return;
1944
1945  cm = &cpi->common;
1946  if (cm->current_video_frame > 0) {
1947#if CONFIG_INTERNAL_STATS
1948    vpx_clear_system_state();
1949
1950    if (cpi->oxcf.pass != 1) {
1951      char headings[512] = {0};
1952      char results[512] = {0};
1953      FILE *f = fopen("opsnr.stt", "a");
1954      double time_encoded = (cpi->last_end_time_stamp_seen
1955                             - cpi->first_time_stamp_ever) / 10000000.000;
1956      double total_encode_time = (cpi->time_receive_data +
1957                                  cpi->time_compress_data)   / 1000.000;
1958      const double dr =
1959          (double)cpi->bytes * (double) 8 / (double)1000 / time_encoded;
1960      const double peak = (double)((1 << cpi->oxcf.input_bit_depth) - 1);
1961
1962      if (cpi->b_calculate_psnr) {
1963        const double total_psnr =
1964            vpx_sse_to_psnr((double)cpi->total_samples, peak,
1965                            (double)cpi->total_sq_error);
1966        const double totalp_psnr =
1967            vpx_sse_to_psnr((double)cpi->totalp_samples, peak,
1968                            (double)cpi->totalp_sq_error);
1969        const double total_ssim = 100 * pow(cpi->summed_quality /
1970                                            cpi->summed_weights, 8.0);
1971        const double totalp_ssim = 100 * pow(cpi->summedp_quality /
1972                                             cpi->summedp_weights, 8.0);
1973
1974        snprintf(headings, sizeof(headings),
1975                 "Bitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\tGLPsnrP\t"
1976                 "VPXSSIM\tVPSSIMP\tFASTSIM\tPSNRHVS\t"
1977                 "WstPsnr\tWstSsim\tWstFast\tWstHVS");
1978        snprintf(results, sizeof(results),
1979                 "%7.2f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
1980                 "%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
1981                 "%7.3f\t%7.3f\t%7.3f\t%7.3f",
1982                 dr, cpi->psnr.stat[ALL] / cpi->count, total_psnr,
1983                 cpi->psnrp.stat[ALL] / cpi->count, totalp_psnr,
1984                 total_ssim, totalp_ssim,
1985                 cpi->fastssim.stat[ALL] / cpi->count,
1986                 cpi->psnrhvs.stat[ALL] / cpi->count,
1987                 cpi->psnr.worst, cpi->worst_ssim, cpi->fastssim.worst,
1988                 cpi->psnrhvs.worst);
1989
1990        if (cpi->b_calculate_blockiness) {
1991          SNPRINT(headings, "\t  Block\tWstBlck");
1992          SNPRINT2(results, "\t%7.3f", cpi->total_blockiness / cpi->count);
1993          SNPRINT2(results, "\t%7.3f", cpi->worst_blockiness);
1994        }
1995
1996        if (cpi->b_calculate_consistency) {
1997          double consistency =
1998              vpx_sse_to_psnr((double)cpi->totalp_samples, peak,
1999                              (double)cpi->total_inconsistency);
2000
2001          SNPRINT(headings, "\tConsist\tWstCons");
2002          SNPRINT2(results, "\t%7.3f", consistency);
2003          SNPRINT2(results, "\t%7.3f", cpi->worst_consistency);
2004        }
2005
2006        if (cpi->b_calculate_ssimg) {
2007          SNPRINT(headings, "\t  SSIMG\tWtSSIMG");
2008          SNPRINT2(results, "\t%7.3f", cpi->ssimg.stat[ALL] / cpi->count);
2009          SNPRINT2(results, "\t%7.3f", cpi->ssimg.worst);
2010        }
2011
2012        fprintf(f, "%s\t    Time\n", headings);
2013        fprintf(f, "%s\t%8.0f\n", results, total_encode_time);
2014      }
2015
2016      fclose(f);
2017    }
2018
2019#endif
2020
2021#if 0
2022    {
2023      printf("\n_pick_loop_filter_level:%d\n", cpi->time_pick_lpf / 1000);
2024      printf("\n_frames recive_data encod_mb_row compress_frame  Total\n");
2025      printf("%6d %10ld %10ld %10ld %10ld\n", cpi->common.current_video_frame,
2026             cpi->time_receive_data / 1000, cpi->time_encode_sb_row / 1000,
2027             cpi->time_compress_data / 1000,
2028             (cpi->time_receive_data + cpi->time_compress_data) / 1000);
2029    }
2030#endif
2031  }
2032
2033#if CONFIG_VP9_TEMPORAL_DENOISING
2034  vp9_denoiser_free(&(cpi->denoiser));
2035#endif
2036
2037  for (t = 0; t < cpi->num_workers; ++t) {
2038    VPxWorker *const worker = &cpi->workers[t];
2039    EncWorkerData *const thread_data = &cpi->tile_thr_data[t];
2040
2041    // Deallocate allocated threads.
2042    vpx_get_worker_interface()->end(worker);
2043
2044    // Deallocate allocated thread data.
2045    if (t < cpi->num_workers - 1) {
2046      vpx_free(thread_data->td->counts);
2047      vp9_free_pc_tree(thread_data->td);
2048      vpx_free(thread_data->td);
2049    }
2050  }
2051  vpx_free(cpi->tile_thr_data);
2052  vpx_free(cpi->workers);
2053
2054  if (cpi->num_workers > 1)
2055    vp9_loop_filter_dealloc(&cpi->lf_row_sync);
2056
2057  dealloc_compressor_data(cpi);
2058
2059  for (i = 0; i < sizeof(cpi->mbgraph_stats) /
2060                  sizeof(cpi->mbgraph_stats[0]); ++i) {
2061    vpx_free(cpi->mbgraph_stats[i].mb_stats);
2062  }
2063
2064#if CONFIG_FP_MB_STATS
2065  if (cpi->use_fp_mb_stats) {
2066    vpx_free(cpi->twopass.frame_mb_stats_buf);
2067    cpi->twopass.frame_mb_stats_buf = NULL;
2068  }
2069#endif
2070
2071  vp9_remove_common(cm);
2072  vp9_free_ref_frame_buffers(cm->buffer_pool);
2073#if CONFIG_VP9_POSTPROC
2074  vp9_free_postproc_buffers(cm);
2075#endif
2076  vpx_free(cpi);
2077
2078#if CONFIG_VP9_TEMPORAL_DENOISING
2079#ifdef OUTPUT_YUV_DENOISED
2080  fclose(yuv_denoised_file);
2081#endif
2082#endif
2083#ifdef OUTPUT_YUV_SKINMAP
2084  fclose(yuv_skinmap_file);
2085#endif
2086#ifdef OUTPUT_YUV_REC
2087  fclose(yuv_rec_file);
2088#endif
2089
2090#if 0
2091
2092  if (keyfile)
2093    fclose(keyfile);
2094
2095  if (framepsnr)
2096    fclose(framepsnr);
2097
2098  if (kf_list)
2099    fclose(kf_list);
2100
2101#endif
2102}
2103
2104/* TODO(yaowu): The block_variance calls the unoptimized versions of variance()
2105 * and highbd_8_variance(). It should not.
2106 */
2107static void encoder_variance(const uint8_t *a, int  a_stride,
2108                             const uint8_t *b, int  b_stride,
2109                             int  w, int  h, unsigned int *sse, int *sum) {
2110  int i, j;
2111
2112  *sum = 0;
2113  *sse = 0;
2114
2115  for (i = 0; i < h; i++) {
2116    for (j = 0; j < w; j++) {
2117      const int diff = a[j] - b[j];
2118      *sum += diff;
2119      *sse += diff * diff;
2120    }
2121
2122    a += a_stride;
2123    b += b_stride;
2124  }
2125}
2126
2127#if CONFIG_VP9_HIGHBITDEPTH
2128static void encoder_highbd_variance64(const uint8_t *a8, int  a_stride,
2129                                      const uint8_t *b8, int  b_stride,
2130                                      int w, int h, uint64_t *sse,
2131                                      uint64_t *sum) {
2132  int i, j;
2133
2134  uint16_t *a = CONVERT_TO_SHORTPTR(a8);
2135  uint16_t *b = CONVERT_TO_SHORTPTR(b8);
2136  *sum = 0;
2137  *sse = 0;
2138
2139  for (i = 0; i < h; i++) {
2140    for (j = 0; j < w; j++) {
2141      const int diff = a[j] - b[j];
2142      *sum += diff;
2143      *sse += diff * diff;
2144    }
2145    a += a_stride;
2146    b += b_stride;
2147  }
2148}
2149
2150static void encoder_highbd_8_variance(const uint8_t *a8, int  a_stride,
2151                                      const uint8_t *b8, int  b_stride,
2152                                      int w, int h,
2153                                      unsigned int *sse, int *sum) {
2154  uint64_t sse_long = 0;
2155  uint64_t sum_long = 0;
2156  encoder_highbd_variance64(a8, a_stride, b8, b_stride, w, h,
2157                            &sse_long, &sum_long);
2158  *sse = (unsigned int)sse_long;
2159  *sum = (int)sum_long;
2160}
2161#endif  // CONFIG_VP9_HIGHBITDEPTH
2162
2163static int64_t get_sse(const uint8_t *a, int a_stride,
2164                       const uint8_t *b, int b_stride,
2165                       int width, int height) {
2166  const int dw = width % 16;
2167  const int dh = height % 16;
2168  int64_t total_sse = 0;
2169  unsigned int sse = 0;
2170  int sum = 0;
2171  int x, y;
2172
2173  if (dw > 0) {
2174    encoder_variance(&a[width - dw], a_stride, &b[width - dw], b_stride,
2175                     dw, height, &sse, &sum);
2176    total_sse += sse;
2177  }
2178
2179  if (dh > 0) {
2180    encoder_variance(&a[(height - dh) * a_stride], a_stride,
2181                     &b[(height - dh) * b_stride], b_stride,
2182                     width - dw, dh, &sse, &sum);
2183    total_sse += sse;
2184  }
2185
2186  for (y = 0; y < height / 16; ++y) {
2187    const uint8_t *pa = a;
2188    const uint8_t *pb = b;
2189    for (x = 0; x < width / 16; ++x) {
2190      vpx_mse16x16(pa, a_stride, pb, b_stride, &sse);
2191      total_sse += sse;
2192
2193      pa += 16;
2194      pb += 16;
2195    }
2196
2197    a += 16 * a_stride;
2198    b += 16 * b_stride;
2199  }
2200
2201  return total_sse;
2202}
2203
2204#if CONFIG_VP9_HIGHBITDEPTH
2205static int64_t highbd_get_sse_shift(const uint8_t *a8, int a_stride,
2206                                    const uint8_t *b8, int b_stride,
2207                                    int width, int height,
2208                                    unsigned int input_shift) {
2209  const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
2210  const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
2211  int64_t total_sse = 0;
2212  int x, y;
2213  for (y = 0; y < height; ++y) {
2214    for (x = 0; x < width; ++x) {
2215      int64_t diff;
2216      diff = (a[x] >> input_shift) - (b[x] >> input_shift);
2217      total_sse += diff * diff;
2218    }
2219    a += a_stride;
2220    b += b_stride;
2221  }
2222  return total_sse;
2223}
2224
2225static int64_t highbd_get_sse(const uint8_t *a, int a_stride,
2226                              const uint8_t *b, int b_stride,
2227                              int width, int height) {
2228  int64_t total_sse = 0;
2229  int x, y;
2230  const int dw = width % 16;
2231  const int dh = height % 16;
2232  unsigned int sse = 0;
2233  int sum = 0;
2234  if (dw > 0) {
2235    encoder_highbd_8_variance(&a[width - dw], a_stride,
2236                              &b[width - dw], b_stride,
2237                              dw, height, &sse, &sum);
2238    total_sse += sse;
2239  }
2240  if (dh > 0) {
2241    encoder_highbd_8_variance(&a[(height - dh) * a_stride], a_stride,
2242                              &b[(height - dh) * b_stride], b_stride,
2243                              width - dw, dh, &sse, &sum);
2244    total_sse += sse;
2245  }
2246  for (y = 0; y < height / 16; ++y) {
2247    const uint8_t *pa = a;
2248    const uint8_t *pb = b;
2249    for (x = 0; x < width / 16; ++x) {
2250      vpx_highbd_8_mse16x16(pa, a_stride, pb, b_stride, &sse);
2251      total_sse += sse;
2252      pa += 16;
2253      pb += 16;
2254    }
2255    a += 16 * a_stride;
2256    b += 16 * b_stride;
2257  }
2258  return total_sse;
2259}
2260#endif  // CONFIG_VP9_HIGHBITDEPTH
2261
2262typedef struct {
2263  double psnr[4];       // total/y/u/v
2264  uint64_t sse[4];      // total/y/u/v
2265  uint32_t samples[4];  // total/y/u/v
2266} PSNR_STATS;
2267
2268#if CONFIG_VP9_HIGHBITDEPTH
2269static void calc_highbd_psnr(const YV12_BUFFER_CONFIG *a,
2270                             const YV12_BUFFER_CONFIG *b,
2271                             PSNR_STATS *psnr,
2272                             unsigned int bit_depth,
2273                             unsigned int in_bit_depth) {
2274  const int widths[3] =
2275      {a->y_crop_width,  a->uv_crop_width,  a->uv_crop_width };
2276  const int heights[3] =
2277      {a->y_crop_height, a->uv_crop_height, a->uv_crop_height};
2278  const uint8_t *a_planes[3] = {a->y_buffer, a->u_buffer,  a->v_buffer };
2279  const int a_strides[3] = {a->y_stride, a->uv_stride, a->uv_stride};
2280  const uint8_t *b_planes[3] = {b->y_buffer, b->u_buffer,  b->v_buffer };
2281  const int b_strides[3] = {b->y_stride, b->uv_stride, b->uv_stride};
2282  int i;
2283  uint64_t total_sse = 0;
2284  uint32_t total_samples = 0;
2285  const double peak = (double)((1 << in_bit_depth) - 1);
2286  const unsigned int input_shift = bit_depth - in_bit_depth;
2287
2288  for (i = 0; i < 3; ++i) {
2289    const int w = widths[i];
2290    const int h = heights[i];
2291    const uint32_t samples = w * h;
2292    uint64_t sse;
2293    if (a->flags & YV12_FLAG_HIGHBITDEPTH) {
2294      if (input_shift) {
2295        sse = highbd_get_sse_shift(a_planes[i], a_strides[i],
2296                                   b_planes[i], b_strides[i], w, h,
2297                                   input_shift);
2298      } else {
2299        sse = highbd_get_sse(a_planes[i], a_strides[i],
2300                             b_planes[i], b_strides[i], w, h);
2301      }
2302    } else {
2303      sse = get_sse(a_planes[i], a_strides[i],
2304                    b_planes[i], b_strides[i],
2305                    w, h);
2306    }
2307    psnr->sse[1 + i] = sse;
2308    psnr->samples[1 + i] = samples;
2309    psnr->psnr[1 + i] = vpx_sse_to_psnr(samples, peak, (double)sse);
2310
2311    total_sse += sse;
2312    total_samples += samples;
2313  }
2314
2315  psnr->sse[0] = total_sse;
2316  psnr->samples[0] = total_samples;
2317  psnr->psnr[0] = vpx_sse_to_psnr((double)total_samples, peak,
2318                                  (double)total_sse);
2319}
2320
2321#else  // !CONFIG_VP9_HIGHBITDEPTH
2322
2323static void calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b,
2324                      PSNR_STATS *psnr) {
2325  static const double peak = 255.0;
2326  const int widths[3]        = {
2327      a->y_crop_width, a->uv_crop_width, a->uv_crop_width};
2328  const int heights[3]       = {
2329      a->y_crop_height, a->uv_crop_height, a->uv_crop_height};
2330  const uint8_t *a_planes[3] = {a->y_buffer, a->u_buffer, a->v_buffer};
2331  const int a_strides[3]     = {a->y_stride, a->uv_stride, a->uv_stride};
2332  const uint8_t *b_planes[3] = {b->y_buffer, b->u_buffer, b->v_buffer};
2333  const int b_strides[3]     = {b->y_stride, b->uv_stride, b->uv_stride};
2334  int i;
2335  uint64_t total_sse = 0;
2336  uint32_t total_samples = 0;
2337
2338  for (i = 0; i < 3; ++i) {
2339    const int w = widths[i];
2340    const int h = heights[i];
2341    const uint32_t samples = w * h;
2342    const uint64_t sse = get_sse(a_planes[i], a_strides[i],
2343                                 b_planes[i], b_strides[i],
2344                                 w, h);
2345    psnr->sse[1 + i] = sse;
2346    psnr->samples[1 + i] = samples;
2347    psnr->psnr[1 + i] = vpx_sse_to_psnr(samples, peak, (double)sse);
2348
2349    total_sse += sse;
2350    total_samples += samples;
2351  }
2352
2353  psnr->sse[0] = total_sse;
2354  psnr->samples[0] = total_samples;
2355  psnr->psnr[0] = vpx_sse_to_psnr((double)total_samples, peak,
2356                                  (double)total_sse);
2357}
2358#endif  // CONFIG_VP9_HIGHBITDEPTH
2359
2360static void generate_psnr_packet(VP9_COMP *cpi) {
2361  struct vpx_codec_cx_pkt pkt;
2362  int i;
2363  PSNR_STATS psnr;
2364#if CONFIG_VP9_HIGHBITDEPTH
2365  calc_highbd_psnr(cpi->Source, cpi->common.frame_to_show, &psnr,
2366                   cpi->td.mb.e_mbd.bd, cpi->oxcf.input_bit_depth);
2367#else
2368  calc_psnr(cpi->Source, cpi->common.frame_to_show, &psnr);
2369#endif
2370
2371  for (i = 0; i < 4; ++i) {
2372    pkt.data.psnr.samples[i] = psnr.samples[i];
2373    pkt.data.psnr.sse[i] = psnr.sse[i];
2374    pkt.data.psnr.psnr[i] = psnr.psnr[i];
2375  }
2376  pkt.kind = VPX_CODEC_PSNR_PKT;
2377  if (cpi->use_svc)
2378    cpi->svc.layer_context[cpi->svc.spatial_layer_id *
2379        cpi->svc.number_temporal_layers].psnr_pkt = pkt.data.psnr;
2380  else
2381    vpx_codec_pkt_list_add(cpi->output_pkt_list, &pkt);
2382}
2383
2384int vp9_use_as_reference(VP9_COMP *cpi, int ref_frame_flags) {
2385  if (ref_frame_flags > 7)
2386    return -1;
2387
2388  cpi->ref_frame_flags = ref_frame_flags;
2389  return 0;
2390}
2391
2392void vp9_update_reference(VP9_COMP *cpi, int ref_frame_flags) {
2393  cpi->ext_refresh_golden_frame = (ref_frame_flags & VP9_GOLD_FLAG) != 0;
2394  cpi->ext_refresh_alt_ref_frame = (ref_frame_flags & VP9_ALT_FLAG) != 0;
2395  cpi->ext_refresh_last_frame = (ref_frame_flags & VP9_LAST_FLAG) != 0;
2396  cpi->ext_refresh_frame_flags_pending = 1;
2397}
2398
2399static YV12_BUFFER_CONFIG *get_vp9_ref_frame_buffer(VP9_COMP *cpi,
2400                                VP9_REFFRAME ref_frame_flag) {
2401  MV_REFERENCE_FRAME ref_frame = NONE;
2402  if (ref_frame_flag == VP9_LAST_FLAG)
2403    ref_frame = LAST_FRAME;
2404  else if (ref_frame_flag == VP9_GOLD_FLAG)
2405    ref_frame = GOLDEN_FRAME;
2406  else if (ref_frame_flag == VP9_ALT_FLAG)
2407    ref_frame = ALTREF_FRAME;
2408
2409  return ref_frame == NONE ? NULL : get_ref_frame_buffer(cpi, ref_frame);
2410}
2411
2412int vp9_copy_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
2413                           YV12_BUFFER_CONFIG *sd) {
2414  YV12_BUFFER_CONFIG *cfg = get_vp9_ref_frame_buffer(cpi, ref_frame_flag);
2415  if (cfg) {
2416    vp8_yv12_copy_frame(cfg, sd);
2417    return 0;
2418  } else {
2419    return -1;
2420  }
2421}
2422
2423int vp9_set_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
2424                          YV12_BUFFER_CONFIG *sd) {
2425  YV12_BUFFER_CONFIG *cfg = get_vp9_ref_frame_buffer(cpi, ref_frame_flag);
2426  if (cfg) {
2427    vp8_yv12_copy_frame(sd, cfg);
2428    return 0;
2429  } else {
2430    return -1;
2431  }
2432}
2433
2434int vp9_update_entropy(VP9_COMP * cpi, int update) {
2435  cpi->ext_refresh_frame_context = update;
2436  cpi->ext_refresh_frame_context_pending = 1;
2437  return 0;
2438}
2439
2440#if defined(OUTPUT_YUV_DENOISED) || defined(OUTPUT_YUV_SKINMAP)
2441// The denoiser buffer is allocated as a YUV 440 buffer. This function writes it
2442// as YUV 420. We simply use the top-left pixels of the UV buffers, since we do
2443// not denoise the UV channels at this time. If ever we implement UV channel
2444// denoising we will have to modify this.
2445void vp9_write_yuv_frame_420(YV12_BUFFER_CONFIG *s, FILE *f) {
2446  uint8_t *src = s->y_buffer;
2447  int h = s->y_height;
2448
2449  do {
2450    fwrite(src, s->y_width, 1, f);
2451    src += s->y_stride;
2452  } while (--h);
2453
2454  src = s->u_buffer;
2455  h = s->uv_height;
2456
2457  do {
2458    fwrite(src, s->uv_width, 1, f);
2459    src += s->uv_stride;
2460  } while (--h);
2461
2462  src = s->v_buffer;
2463  h = s->uv_height;
2464
2465  do {
2466    fwrite(src, s->uv_width, 1, f);
2467    src += s->uv_stride;
2468  } while (--h);
2469}
2470#endif
2471
2472#ifdef OUTPUT_YUV_REC
2473void vp9_write_yuv_rec_frame(VP9_COMMON *cm) {
2474  YV12_BUFFER_CONFIG *s = cm->frame_to_show;
2475  uint8_t *src = s->y_buffer;
2476  int h = cm->height;
2477
2478#if CONFIG_VP9_HIGHBITDEPTH
2479  if (s->flags & YV12_FLAG_HIGHBITDEPTH) {
2480    uint16_t *src16 = CONVERT_TO_SHORTPTR(s->y_buffer);
2481
2482    do {
2483      fwrite(src16, s->y_width, 2,  yuv_rec_file);
2484      src16 += s->y_stride;
2485    } while (--h);
2486
2487    src16 = CONVERT_TO_SHORTPTR(s->u_buffer);
2488    h = s->uv_height;
2489
2490    do {
2491      fwrite(src16, s->uv_width, 2,  yuv_rec_file);
2492      src16 += s->uv_stride;
2493    } while (--h);
2494
2495    src16 = CONVERT_TO_SHORTPTR(s->v_buffer);
2496    h = s->uv_height;
2497
2498    do {
2499      fwrite(src16, s->uv_width, 2, yuv_rec_file);
2500      src16 += s->uv_stride;
2501    } while (--h);
2502
2503    fflush(yuv_rec_file);
2504    return;
2505  }
2506#endif  // CONFIG_VP9_HIGHBITDEPTH
2507
2508  do {
2509    fwrite(src, s->y_width, 1,  yuv_rec_file);
2510    src += s->y_stride;
2511  } while (--h);
2512
2513  src = s->u_buffer;
2514  h = s->uv_height;
2515
2516  do {
2517    fwrite(src, s->uv_width, 1,  yuv_rec_file);
2518    src += s->uv_stride;
2519  } while (--h);
2520
2521  src = s->v_buffer;
2522  h = s->uv_height;
2523
2524  do {
2525    fwrite(src, s->uv_width, 1, yuv_rec_file);
2526    src += s->uv_stride;
2527  } while (--h);
2528
2529  fflush(yuv_rec_file);
2530}
2531#endif
2532
2533#if CONFIG_VP9_HIGHBITDEPTH
2534static void scale_and_extend_frame_nonnormative(const YV12_BUFFER_CONFIG *src,
2535                                                YV12_BUFFER_CONFIG *dst,
2536                                                int bd) {
2537#else
2538static void scale_and_extend_frame_nonnormative(const YV12_BUFFER_CONFIG *src,
2539                                                YV12_BUFFER_CONFIG *dst) {
2540#endif  // CONFIG_VP9_HIGHBITDEPTH
2541  // TODO(dkovalev): replace YV12_BUFFER_CONFIG with vpx_image_t
2542  int i;
2543  const uint8_t *const srcs[3] = {src->y_buffer, src->u_buffer, src->v_buffer};
2544  const int src_strides[3] = {src->y_stride, src->uv_stride, src->uv_stride};
2545  const int src_widths[3] = {src->y_crop_width, src->uv_crop_width,
2546                             src->uv_crop_width };
2547  const int src_heights[3] = {src->y_crop_height, src->uv_crop_height,
2548                              src->uv_crop_height};
2549  uint8_t *const dsts[3] = {dst->y_buffer, dst->u_buffer, dst->v_buffer};
2550  const int dst_strides[3] = {dst->y_stride, dst->uv_stride, dst->uv_stride};
2551  const int dst_widths[3] = {dst->y_crop_width, dst->uv_crop_width,
2552                             dst->uv_crop_width};
2553  const int dst_heights[3] = {dst->y_crop_height, dst->uv_crop_height,
2554                              dst->uv_crop_height};
2555
2556  for (i = 0; i < MAX_MB_PLANE; ++i) {
2557#if CONFIG_VP9_HIGHBITDEPTH
2558    if (src->flags & YV12_FLAG_HIGHBITDEPTH) {
2559      vp9_highbd_resize_plane(srcs[i], src_heights[i], src_widths[i],
2560                              src_strides[i], dsts[i], dst_heights[i],
2561                              dst_widths[i], dst_strides[i], bd);
2562    } else {
2563      vp9_resize_plane(srcs[i], src_heights[i], src_widths[i], src_strides[i],
2564                       dsts[i], dst_heights[i], dst_widths[i], dst_strides[i]);
2565    }
2566#else
2567    vp9_resize_plane(srcs[i], src_heights[i], src_widths[i], src_strides[i],
2568                     dsts[i], dst_heights[i], dst_widths[i], dst_strides[i]);
2569#endif  // CONFIG_VP9_HIGHBITDEPTH
2570  }
2571  vpx_extend_frame_borders(dst);
2572}
2573
2574#if CONFIG_VP9_HIGHBITDEPTH
2575static void scale_and_extend_frame(const YV12_BUFFER_CONFIG *src,
2576                                   YV12_BUFFER_CONFIG *dst, int bd) {
2577#else
2578static void scale_and_extend_frame(const YV12_BUFFER_CONFIG *src,
2579                                   YV12_BUFFER_CONFIG *dst) {
2580#endif  // CONFIG_VP9_HIGHBITDEPTH
2581  const int src_w = src->y_crop_width;
2582  const int src_h = src->y_crop_height;
2583  const int dst_w = dst->y_crop_width;
2584  const int dst_h = dst->y_crop_height;
2585  const uint8_t *const srcs[3] = {src->y_buffer, src->u_buffer, src->v_buffer};
2586  const int src_strides[3] = {src->y_stride, src->uv_stride, src->uv_stride};
2587  uint8_t *const dsts[3] = {dst->y_buffer, dst->u_buffer, dst->v_buffer};
2588  const int dst_strides[3] = {dst->y_stride, dst->uv_stride, dst->uv_stride};
2589  const InterpKernel *const kernel = vp9_filter_kernels[EIGHTTAP];
2590  int x, y, i;
2591
2592  for (y = 0; y < dst_h; y += 16) {
2593    for (x = 0; x < dst_w; x += 16) {
2594      for (i = 0; i < MAX_MB_PLANE; ++i) {
2595        const int factor = (i == 0 || i == 3 ? 1 : 2);
2596        const int x_q4 = x * (16 / factor) * src_w / dst_w;
2597        const int y_q4 = y * (16 / factor) * src_h / dst_h;
2598        const int src_stride = src_strides[i];
2599        const int dst_stride = dst_strides[i];
2600        const uint8_t *src_ptr = srcs[i] + (y / factor) * src_h / dst_h *
2601                                     src_stride + (x / factor) * src_w / dst_w;
2602        uint8_t *dst_ptr = dsts[i] + (y / factor) * dst_stride + (x / factor);
2603
2604#if CONFIG_VP9_HIGHBITDEPTH
2605        if (src->flags & YV12_FLAG_HIGHBITDEPTH) {
2606          vpx_highbd_convolve8(src_ptr, src_stride, dst_ptr, dst_stride,
2607                               kernel[x_q4 & 0xf], 16 * src_w / dst_w,
2608                               kernel[y_q4 & 0xf], 16 * src_h / dst_h,
2609                               16 / factor, 16 / factor, bd);
2610        } else {
2611          vpx_scaled_2d(src_ptr, src_stride, dst_ptr, dst_stride,
2612                        kernel[x_q4 & 0xf], 16 * src_w / dst_w,
2613                        kernel[y_q4 & 0xf], 16 * src_h / dst_h,
2614                        16 / factor, 16 / factor);
2615        }
2616#else
2617        vpx_scaled_2d(src_ptr, src_stride, dst_ptr, dst_stride,
2618                      kernel[x_q4 & 0xf], 16 * src_w / dst_w,
2619                      kernel[y_q4 & 0xf], 16 * src_h / dst_h,
2620                      16 / factor, 16 / factor);
2621#endif  // CONFIG_VP9_HIGHBITDEPTH
2622      }
2623    }
2624  }
2625
2626  vpx_extend_frame_borders(dst);
2627}
2628
2629static int scale_down(VP9_COMP *cpi, int q) {
2630  RATE_CONTROL *const rc = &cpi->rc;
2631  GF_GROUP *const gf_group = &cpi->twopass.gf_group;
2632  int scale = 0;
2633  assert(frame_is_kf_gf_arf(cpi));
2634
2635  if (rc->frame_size_selector == UNSCALED &&
2636      q >= rc->rf_level_maxq[gf_group->rf_level[gf_group->index]]) {
2637    const int max_size_thresh = (int)(rate_thresh_mult[SCALE_STEP1]
2638        * VPXMAX(rc->this_frame_target, rc->avg_frame_bandwidth));
2639    scale = rc->projected_frame_size > max_size_thresh ? 1 : 0;
2640  }
2641  return scale;
2642}
2643
2644// Function to test for conditions that indicate we should loop
2645// back and recode a frame.
2646static int recode_loop_test(VP9_COMP *cpi,
2647                            int high_limit, int low_limit,
2648                            int q, int maxq, int minq) {
2649  const RATE_CONTROL *const rc = &cpi->rc;
2650  const VP9EncoderConfig *const oxcf = &cpi->oxcf;
2651  const int frame_is_kfgfarf = frame_is_kf_gf_arf(cpi);
2652  int force_recode = 0;
2653
2654  if ((rc->projected_frame_size >= rc->max_frame_bandwidth) ||
2655      (cpi->sf.recode_loop == ALLOW_RECODE) ||
2656      (frame_is_kfgfarf &&
2657       (cpi->sf.recode_loop == ALLOW_RECODE_KFARFGF))) {
2658    if (frame_is_kfgfarf &&
2659        (oxcf->resize_mode == RESIZE_DYNAMIC) &&
2660        scale_down(cpi, q)) {
2661        // Code this group at a lower resolution.
2662        cpi->resize_pending = 1;
2663        return 1;
2664    }
2665
2666    // TODO(agrange) high_limit could be greater than the scale-down threshold.
2667    if ((rc->projected_frame_size > high_limit && q < maxq) ||
2668        (rc->projected_frame_size < low_limit && q > minq)) {
2669      force_recode = 1;
2670    } else if (cpi->oxcf.rc_mode == VPX_CQ) {
2671      // Deal with frame undershoot and whether or not we are
2672      // below the automatically set cq level.
2673      if (q > oxcf->cq_level &&
2674          rc->projected_frame_size < ((rc->this_frame_target * 7) >> 3)) {
2675        force_recode = 1;
2676      }
2677    }
2678  }
2679  return force_recode;
2680}
2681
2682void vp9_update_reference_frames(VP9_COMP *cpi) {
2683  VP9_COMMON * const cm = &cpi->common;
2684  BufferPool *const pool = cm->buffer_pool;
2685
2686  // At this point the new frame has been encoded.
2687  // If any buffer copy / swapping is signaled it should be done here.
2688  if (cm->frame_type == KEY_FRAME) {
2689    ref_cnt_fb(pool->frame_bufs,
2690               &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx);
2691    ref_cnt_fb(pool->frame_bufs,
2692               &cm->ref_frame_map[cpi->alt_fb_idx], cm->new_fb_idx);
2693  } else if (vp9_preserve_existing_gf(cpi)) {
2694    // We have decided to preserve the previously existing golden frame as our
2695    // new ARF frame. However, in the short term in function
2696    // vp9_bitstream.c::get_refresh_mask() we left it in the GF slot and, if
2697    // we're updating the GF with the current decoded frame, we save it to the
2698    // ARF slot instead.
2699    // We now have to update the ARF with the current frame and swap gld_fb_idx
2700    // and alt_fb_idx so that, overall, we've stored the old GF in the new ARF
2701    // slot and, if we're updating the GF, the current frame becomes the new GF.
2702    int tmp;
2703
2704    ref_cnt_fb(pool->frame_bufs,
2705               &cm->ref_frame_map[cpi->alt_fb_idx], cm->new_fb_idx);
2706
2707    tmp = cpi->alt_fb_idx;
2708    cpi->alt_fb_idx = cpi->gld_fb_idx;
2709    cpi->gld_fb_idx = tmp;
2710
2711    if (is_two_pass_svc(cpi)) {
2712      cpi->svc.layer_context[0].gold_ref_idx = cpi->gld_fb_idx;
2713      cpi->svc.layer_context[0].alt_ref_idx = cpi->alt_fb_idx;
2714    }
2715  } else { /* For non key/golden frames */
2716    if (cpi->refresh_alt_ref_frame) {
2717      int arf_idx = cpi->alt_fb_idx;
2718      if ((cpi->oxcf.pass == 2) && cpi->multi_arf_allowed) {
2719        const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
2720        arf_idx = gf_group->arf_update_idx[gf_group->index];
2721      }
2722
2723      ref_cnt_fb(pool->frame_bufs,
2724                 &cm->ref_frame_map[arf_idx], cm->new_fb_idx);
2725      memcpy(cpi->interp_filter_selected[ALTREF_FRAME],
2726             cpi->interp_filter_selected[0],
2727             sizeof(cpi->interp_filter_selected[0]));
2728    }
2729
2730    if (cpi->refresh_golden_frame) {
2731      ref_cnt_fb(pool->frame_bufs,
2732                 &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx);
2733      if (!cpi->rc.is_src_frame_alt_ref)
2734        memcpy(cpi->interp_filter_selected[GOLDEN_FRAME],
2735               cpi->interp_filter_selected[0],
2736               sizeof(cpi->interp_filter_selected[0]));
2737      else
2738        memcpy(cpi->interp_filter_selected[GOLDEN_FRAME],
2739               cpi->interp_filter_selected[ALTREF_FRAME],
2740               sizeof(cpi->interp_filter_selected[ALTREF_FRAME]));
2741    }
2742  }
2743
2744  if (cpi->refresh_last_frame) {
2745    ref_cnt_fb(pool->frame_bufs,
2746               &cm->ref_frame_map[cpi->lst_fb_idx], cm->new_fb_idx);
2747    if (!cpi->rc.is_src_frame_alt_ref)
2748      memcpy(cpi->interp_filter_selected[LAST_FRAME],
2749             cpi->interp_filter_selected[0],
2750             sizeof(cpi->interp_filter_selected[0]));
2751  }
2752#if CONFIG_VP9_TEMPORAL_DENOISING
2753  if (cpi->oxcf.noise_sensitivity > 0) {
2754    vp9_denoiser_update_frame_info(&cpi->denoiser,
2755                                   *cpi->Source,
2756                                   cpi->common.frame_type,
2757                                   cpi->refresh_alt_ref_frame,
2758                                   cpi->refresh_golden_frame,
2759                                   cpi->refresh_last_frame,
2760                                   cpi->resize_pending);
2761  }
2762#endif
2763}
2764
2765static void loopfilter_frame(VP9_COMP *cpi, VP9_COMMON *cm) {
2766  MACROBLOCKD *xd = &cpi->td.mb.e_mbd;
2767  struct loopfilter *lf = &cm->lf;
2768
2769  if (xd->lossless) {
2770      lf->filter_level = 0;
2771  } else {
2772    struct vpx_usec_timer timer;
2773
2774    vpx_clear_system_state();
2775
2776    vpx_usec_timer_start(&timer);
2777
2778    vp9_pick_filter_level(cpi->Source, cpi, cpi->sf.lpf_pick);
2779
2780    vpx_usec_timer_mark(&timer);
2781    cpi->time_pick_lpf += vpx_usec_timer_elapsed(&timer);
2782  }
2783
2784  if (lf->filter_level > 0) {
2785    vp9_build_mask_frame(cm, lf->filter_level, 0);
2786
2787    if (cpi->num_workers > 1)
2788      vp9_loop_filter_frame_mt(cm->frame_to_show, cm, xd->plane,
2789                               lf->filter_level, 0, 0,
2790                               cpi->workers, cpi->num_workers,
2791                               &cpi->lf_row_sync);
2792    else
2793      vp9_loop_filter_frame(cm->frame_to_show, cm, xd, lf->filter_level, 0, 0);
2794  }
2795
2796  vpx_extend_frame_inner_borders(cm->frame_to_show);
2797}
2798
2799static INLINE void alloc_frame_mvs(const VP9_COMMON *cm,
2800                                   int buffer_idx) {
2801  RefCntBuffer *const new_fb_ptr = &cm->buffer_pool->frame_bufs[buffer_idx];
2802  if (new_fb_ptr->mvs == NULL ||
2803      new_fb_ptr->mi_rows < cm->mi_rows ||
2804      new_fb_ptr->mi_cols < cm->mi_cols) {
2805    vpx_free(new_fb_ptr->mvs);
2806    new_fb_ptr->mvs =
2807      (MV_REF *)vpx_calloc(cm->mi_rows * cm->mi_cols,
2808                           sizeof(*new_fb_ptr->mvs));
2809    new_fb_ptr->mi_rows = cm->mi_rows;
2810    new_fb_ptr->mi_cols = cm->mi_cols;
2811  }
2812}
2813
2814void vp9_scale_references(VP9_COMP *cpi) {
2815  VP9_COMMON *cm = &cpi->common;
2816  MV_REFERENCE_FRAME ref_frame;
2817  const VP9_REFFRAME ref_mask[3] = {VP9_LAST_FLAG, VP9_GOLD_FLAG, VP9_ALT_FLAG};
2818
2819  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
2820    // Need to convert from VP9_REFFRAME to index into ref_mask (subtract 1).
2821    if (cpi->ref_frame_flags & ref_mask[ref_frame - 1]) {
2822      BufferPool *const pool = cm->buffer_pool;
2823      const YV12_BUFFER_CONFIG *const ref = get_ref_frame_buffer(cpi,
2824                                                                 ref_frame);
2825
2826      if (ref == NULL) {
2827        cpi->scaled_ref_idx[ref_frame - 1] = INVALID_IDX;
2828        continue;
2829      }
2830
2831#if CONFIG_VP9_HIGHBITDEPTH
2832      if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) {
2833        RefCntBuffer *new_fb_ptr = NULL;
2834        int force_scaling = 0;
2835        int new_fb = cpi->scaled_ref_idx[ref_frame - 1];
2836        if (new_fb == INVALID_IDX) {
2837          new_fb = get_free_fb(cm);
2838          force_scaling = 1;
2839        }
2840        if (new_fb == INVALID_IDX)
2841          return;
2842        new_fb_ptr = &pool->frame_bufs[new_fb];
2843        if (force_scaling ||
2844            new_fb_ptr->buf.y_crop_width != cm->width ||
2845            new_fb_ptr->buf.y_crop_height != cm->height) {
2846          vpx_realloc_frame_buffer(&new_fb_ptr->buf,
2847                                   cm->width, cm->height,
2848                                   cm->subsampling_x, cm->subsampling_y,
2849                                   cm->use_highbitdepth,
2850                                   VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
2851                                   NULL, NULL, NULL);
2852          scale_and_extend_frame(ref, &new_fb_ptr->buf, (int)cm->bit_depth);
2853          cpi->scaled_ref_idx[ref_frame - 1] = new_fb;
2854          alloc_frame_mvs(cm, new_fb);
2855        }
2856#else
2857      if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) {
2858        RefCntBuffer *new_fb_ptr = NULL;
2859        int force_scaling = 0;
2860        int new_fb = cpi->scaled_ref_idx[ref_frame - 1];
2861        if (new_fb == INVALID_IDX) {
2862          new_fb = get_free_fb(cm);
2863          force_scaling = 1;
2864        }
2865        if (new_fb == INVALID_IDX)
2866          return;
2867        new_fb_ptr = &pool->frame_bufs[new_fb];
2868        if (force_scaling ||
2869            new_fb_ptr->buf.y_crop_width != cm->width ||
2870            new_fb_ptr->buf.y_crop_height != cm->height) {
2871          vpx_realloc_frame_buffer(&new_fb_ptr->buf,
2872                                   cm->width, cm->height,
2873                                   cm->subsampling_x, cm->subsampling_y,
2874                                   VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
2875                                   NULL, NULL, NULL);
2876          scale_and_extend_frame(ref, &new_fb_ptr->buf);
2877          cpi->scaled_ref_idx[ref_frame - 1] = new_fb;
2878          alloc_frame_mvs(cm, new_fb);
2879        }
2880#endif  // CONFIG_VP9_HIGHBITDEPTH
2881      } else {
2882        const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame);
2883        RefCntBuffer *const buf = &pool->frame_bufs[buf_idx];
2884        buf->buf.y_crop_width = ref->y_crop_width;
2885        buf->buf.y_crop_height = ref->y_crop_height;
2886        cpi->scaled_ref_idx[ref_frame - 1] = buf_idx;
2887        ++buf->ref_count;
2888      }
2889    } else {
2890      if (cpi->oxcf.pass != 0 || cpi->use_svc)
2891        cpi->scaled_ref_idx[ref_frame - 1] = INVALID_IDX;
2892    }
2893  }
2894}
2895
2896static void release_scaled_references(VP9_COMP *cpi) {
2897  VP9_COMMON *cm = &cpi->common;
2898  int i;
2899  if (cpi->oxcf.pass == 0 && !cpi->use_svc) {
2900    // Only release scaled references under certain conditions:
2901    // if reference will be updated, or if scaled reference has same resolution.
2902    int refresh[3];
2903    refresh[0] = (cpi->refresh_last_frame) ? 1 : 0;
2904    refresh[1] = (cpi->refresh_golden_frame) ? 1 : 0;
2905    refresh[2] = (cpi->refresh_alt_ref_frame) ? 1 : 0;
2906    for (i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
2907      const int idx = cpi->scaled_ref_idx[i - 1];
2908      RefCntBuffer *const buf = idx != INVALID_IDX ?
2909          &cm->buffer_pool->frame_bufs[idx] : NULL;
2910      const YV12_BUFFER_CONFIG *const ref = get_ref_frame_buffer(cpi, i);
2911      if (buf != NULL &&
2912          (refresh[i - 1] ||
2913          (buf->buf.y_crop_width == ref->y_crop_width &&
2914           buf->buf.y_crop_height == ref->y_crop_height))) {
2915        --buf->ref_count;
2916        cpi->scaled_ref_idx[i -1] = INVALID_IDX;
2917      }
2918    }
2919  } else {
2920    for (i = 0; i < MAX_REF_FRAMES; ++i) {
2921      const int idx = cpi->scaled_ref_idx[i];
2922      RefCntBuffer *const buf = idx != INVALID_IDX ?
2923          &cm->buffer_pool->frame_bufs[idx] : NULL;
2924      if (buf != NULL) {
2925        --buf->ref_count;
2926        cpi->scaled_ref_idx[i] = INVALID_IDX;
2927      }
2928    }
2929  }
2930}
2931
2932static void full_to_model_count(unsigned int *model_count,
2933                                unsigned int *full_count) {
2934  int n;
2935  model_count[ZERO_TOKEN] = full_count[ZERO_TOKEN];
2936  model_count[ONE_TOKEN] = full_count[ONE_TOKEN];
2937  model_count[TWO_TOKEN] = full_count[TWO_TOKEN];
2938  for (n = THREE_TOKEN; n < EOB_TOKEN; ++n)
2939    model_count[TWO_TOKEN] += full_count[n];
2940  model_count[EOB_MODEL_TOKEN] = full_count[EOB_TOKEN];
2941}
2942
2943static void full_to_model_counts(vp9_coeff_count_model *model_count,
2944                                 vp9_coeff_count *full_count) {
2945  int i, j, k, l;
2946
2947  for (i = 0; i < PLANE_TYPES; ++i)
2948    for (j = 0; j < REF_TYPES; ++j)
2949      for (k = 0; k < COEF_BANDS; ++k)
2950        for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l)
2951          full_to_model_count(model_count[i][j][k][l], full_count[i][j][k][l]);
2952}
2953
2954#if 0 && CONFIG_INTERNAL_STATS
2955static void output_frame_level_debug_stats(VP9_COMP *cpi) {
2956  VP9_COMMON *const cm = &cpi->common;
2957  FILE *const f = fopen("tmp.stt", cm->current_video_frame ? "a" : "w");
2958  int64_t recon_err;
2959
2960  vpx_clear_system_state();
2961
2962  recon_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
2963
2964  if (cpi->twopass.total_left_stats.coded_error != 0.0)
2965    fprintf(f, "%10u %dx%d %d %d %10d %10d %10d %10d"
2966       "%10"PRId64" %10"PRId64" %5d %5d %10"PRId64" "
2967       "%10"PRId64" %10"PRId64" %10d "
2968       "%7.2lf %7.2lf %7.2lf %7.2lf %7.2lf"
2969        "%6d %6d %5d %5d %5d "
2970        "%10"PRId64" %10.3lf"
2971        "%10lf %8u %10"PRId64" %10d %10d %10d\n",
2972        cpi->common.current_video_frame,
2973        cm->width, cm->height,
2974        cpi->rc.source_alt_ref_pending,
2975        cpi->rc.source_alt_ref_active,
2976        cpi->rc.this_frame_target,
2977        cpi->rc.projected_frame_size,
2978        cpi->rc.projected_frame_size / cpi->common.MBs,
2979        (cpi->rc.projected_frame_size - cpi->rc.this_frame_target),
2980        cpi->rc.vbr_bits_off_target,
2981        cpi->rc.vbr_bits_off_target_fast,
2982        cpi->twopass.extend_minq,
2983        cpi->twopass.extend_minq_fast,
2984        cpi->rc.total_target_vs_actual,
2985        (cpi->rc.starting_buffer_level - cpi->rc.bits_off_target),
2986        cpi->rc.total_actual_bits, cm->base_qindex,
2987        vp9_convert_qindex_to_q(cm->base_qindex, cm->bit_depth),
2988        (double)vp9_dc_quant(cm->base_qindex, 0, cm->bit_depth) / 4.0,
2989        vp9_convert_qindex_to_q(cpi->twopass.active_worst_quality,
2990                                cm->bit_depth),
2991        cpi->rc.avg_q,
2992        vp9_convert_qindex_to_q(cpi->oxcf.cq_level, cm->bit_depth),
2993        cpi->refresh_last_frame, cpi->refresh_golden_frame,
2994        cpi->refresh_alt_ref_frame, cm->frame_type, cpi->rc.gfu_boost,
2995        cpi->twopass.bits_left,
2996        cpi->twopass.total_left_stats.coded_error,
2997        cpi->twopass.bits_left /
2998            (1 + cpi->twopass.total_left_stats.coded_error),
2999        cpi->tot_recode_hits, recon_err, cpi->rc.kf_boost,
3000        cpi->twopass.kf_zeromotion_pct,
3001        cpi->twopass.fr_content_type);
3002
3003  fclose(f);
3004
3005  if (0) {
3006    FILE *const fmodes = fopen("Modes.stt", "a");
3007    int i;
3008
3009    fprintf(fmodes, "%6d:%1d:%1d:%1d ", cpi->common.current_video_frame,
3010            cm->frame_type, cpi->refresh_golden_frame,
3011            cpi->refresh_alt_ref_frame);
3012
3013    for (i = 0; i < MAX_MODES; ++i)
3014      fprintf(fmodes, "%5d ", cpi->mode_chosen_counts[i]);
3015
3016    fprintf(fmodes, "\n");
3017
3018    fclose(fmodes);
3019  }
3020}
3021#endif
3022
3023static void set_mv_search_params(VP9_COMP *cpi) {
3024  const VP9_COMMON *const cm = &cpi->common;
3025  const unsigned int max_mv_def = VPXMIN(cm->width, cm->height);
3026
3027  // Default based on max resolution.
3028  cpi->mv_step_param = vp9_init_search_range(max_mv_def);
3029
3030  if (cpi->sf.mv.auto_mv_step_size) {
3031    if (frame_is_intra_only(cm)) {
3032      // Initialize max_mv_magnitude for use in the first INTER frame
3033      // after a key/intra-only frame.
3034      cpi->max_mv_magnitude = max_mv_def;
3035    } else {
3036      if (cm->show_frame) {
3037        // Allow mv_steps to correspond to twice the max mv magnitude found
3038        // in the previous frame, capped by the default max_mv_magnitude based
3039        // on resolution.
3040        cpi->mv_step_param = vp9_init_search_range(
3041            VPXMIN(max_mv_def, 2 * cpi->max_mv_magnitude));
3042      }
3043      cpi->max_mv_magnitude = 0;
3044    }
3045  }
3046}
3047
3048static void set_size_independent_vars(VP9_COMP *cpi) {
3049  vp9_set_speed_features_framesize_independent(cpi);
3050  vp9_set_rd_speed_thresholds(cpi);
3051  vp9_set_rd_speed_thresholds_sub8x8(cpi);
3052  cpi->common.interp_filter = cpi->sf.default_interp_filter;
3053}
3054
3055static void set_size_dependent_vars(VP9_COMP *cpi, int *q,
3056                                    int *bottom_index, int *top_index) {
3057  VP9_COMMON *const cm = &cpi->common;
3058  const VP9EncoderConfig *const oxcf = &cpi->oxcf;
3059
3060  // Setup variables that depend on the dimensions of the frame.
3061  vp9_set_speed_features_framesize_dependent(cpi);
3062
3063  // Decide q and q bounds.
3064  *q = vp9_rc_pick_q_and_bounds(cpi, bottom_index, top_index);
3065
3066  if (!frame_is_intra_only(cm)) {
3067    vp9_set_high_precision_mv(cpi, (*q) < HIGH_PRECISION_MV_QTHRESH);
3068  }
3069
3070  // Configure experimental use of segmentation for enhanced coding of
3071  // static regions if indicated.
3072  // Only allowed in the second pass of a two pass encode, as it requires
3073  // lagged coding, and if the relevant speed feature flag is set.
3074  if (oxcf->pass == 2 && cpi->sf.static_segmentation)
3075    configure_static_seg_features(cpi);
3076
3077#if CONFIG_VP9_POSTPROC
3078  if (oxcf->noise_sensitivity > 0) {
3079    int l = 0;
3080    switch (oxcf->noise_sensitivity) {
3081      case 1:
3082        l = 20;
3083        break;
3084      case 2:
3085        l = 40;
3086        break;
3087      case 3:
3088        l = 60;
3089        break;
3090      case 4:
3091      case 5:
3092        l = 100;
3093        break;
3094      case 6:
3095        l = 150;
3096        break;
3097    }
3098    vp9_denoise(cpi->Source, cpi->Source, l);
3099  }
3100#endif  // CONFIG_VP9_POSTPROC
3101}
3102
3103#if CONFIG_VP9_TEMPORAL_DENOISING
3104static void setup_denoiser_buffer(VP9_COMP *cpi) {
3105  VP9_COMMON *const cm = &cpi->common;
3106  if (cpi->oxcf.noise_sensitivity > 0 &&
3107      !cpi->denoiser.frame_buffer_initialized) {
3108    vp9_denoiser_alloc(&(cpi->denoiser), cm->width, cm->height,
3109                       cm->subsampling_x, cm->subsampling_y,
3110#if CONFIG_VP9_HIGHBITDEPTH
3111                       cm->use_highbitdepth,
3112#endif
3113                       VP9_ENC_BORDER_IN_PIXELS);
3114  }
3115}
3116#endif
3117
3118static void init_motion_estimation(VP9_COMP *cpi) {
3119  int y_stride = cpi->scaled_source.y_stride;
3120
3121  if (cpi->sf.mv.search_method == NSTEP) {
3122    vp9_init3smotion_compensation(&cpi->ss_cfg, y_stride);
3123  } else if (cpi->sf.mv.search_method == DIAMOND) {
3124    vp9_init_dsmotion_compensation(&cpi->ss_cfg, y_stride);
3125  }
3126}
3127
3128static void set_frame_size(VP9_COMP *cpi) {
3129  int ref_frame;
3130  VP9_COMMON *const cm = &cpi->common;
3131  VP9EncoderConfig *const oxcf = &cpi->oxcf;
3132  MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
3133
3134  if (oxcf->pass == 2 &&
3135      oxcf->rc_mode == VPX_VBR &&
3136      ((oxcf->resize_mode == RESIZE_FIXED && cm->current_video_frame == 0) ||
3137        (oxcf->resize_mode == RESIZE_DYNAMIC && cpi->resize_pending))) {
3138    calculate_coded_size(
3139        cpi, &oxcf->scaled_frame_width, &oxcf->scaled_frame_height);
3140
3141    // There has been a change in frame size.
3142    vp9_set_size_literal(cpi, oxcf->scaled_frame_width,
3143                         oxcf->scaled_frame_height);
3144  }
3145
3146  if (oxcf->pass == 0 &&
3147      oxcf->rc_mode == VPX_CBR &&
3148      !cpi->use_svc &&
3149      oxcf->resize_mode == RESIZE_DYNAMIC &&
3150      cpi->resize_pending != 0) {
3151    oxcf->scaled_frame_width =
3152        (oxcf->width * cpi->resize_scale_num) / cpi->resize_scale_den;
3153    oxcf->scaled_frame_height =
3154        (oxcf->height * cpi->resize_scale_num) /cpi->resize_scale_den;
3155    // There has been a change in frame size.
3156    vp9_set_size_literal(cpi,
3157                         oxcf->scaled_frame_width,
3158                         oxcf->scaled_frame_height);
3159
3160    // TODO(agrange) Scale cpi->max_mv_magnitude if frame-size has changed.
3161    set_mv_search_params(cpi);
3162
3163#if CONFIG_VP9_TEMPORAL_DENOISING
3164    // Reset the denoiser on the resized frame.
3165    if (cpi->oxcf.noise_sensitivity > 0) {
3166      vp9_denoiser_free(&(cpi->denoiser));
3167      setup_denoiser_buffer(cpi);
3168      // Dynamic resize is only triggered for non-SVC, so we can force
3169      // golden frame update here as temporary fix to denoiser.
3170      cpi->refresh_golden_frame = 1;
3171    }
3172#endif
3173  }
3174
3175  if ((oxcf->pass == 2) &&
3176      (!cpi->use_svc ||
3177          (is_two_pass_svc(cpi) &&
3178              cpi->svc.encode_empty_frame_state != ENCODING))) {
3179    vp9_set_target_rate(cpi);
3180  }
3181
3182  alloc_frame_mvs(cm, cm->new_fb_idx);
3183
3184  // Reset the frame pointers to the current frame size.
3185  vpx_realloc_frame_buffer(get_frame_new_buffer(cm),
3186                           cm->width, cm->height,
3187                           cm->subsampling_x, cm->subsampling_y,
3188#if CONFIG_VP9_HIGHBITDEPTH
3189                           cm->use_highbitdepth,
3190#endif
3191                           VP9_ENC_BORDER_IN_PIXELS, cm->byte_alignment,
3192                           NULL, NULL, NULL);
3193
3194  alloc_util_frame_buffers(cpi);
3195  init_motion_estimation(cpi);
3196
3197  for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
3198    RefBuffer *const ref_buf = &cm->frame_refs[ref_frame - 1];
3199    const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame);
3200
3201    ref_buf->idx = buf_idx;
3202
3203    if (buf_idx != INVALID_IDX) {
3204      YV12_BUFFER_CONFIG *const buf = &cm->buffer_pool->frame_bufs[buf_idx].buf;
3205      ref_buf->buf = buf;
3206#if CONFIG_VP9_HIGHBITDEPTH
3207      vp9_setup_scale_factors_for_frame(&ref_buf->sf,
3208                                        buf->y_crop_width, buf->y_crop_height,
3209                                        cm->width, cm->height,
3210                                        (buf->flags & YV12_FLAG_HIGHBITDEPTH) ?
3211                                            1 : 0);
3212#else
3213      vp9_setup_scale_factors_for_frame(&ref_buf->sf,
3214                                        buf->y_crop_width, buf->y_crop_height,
3215                                        cm->width, cm->height);
3216#endif  // CONFIG_VP9_HIGHBITDEPTH
3217      if (vp9_is_scaled(&ref_buf->sf))
3218        vpx_extend_frame_borders(buf);
3219    } else {
3220      ref_buf->buf = NULL;
3221    }
3222  }
3223
3224  set_ref_ptrs(cm, xd, LAST_FRAME, LAST_FRAME);
3225}
3226
3227static void encode_without_recode_loop(VP9_COMP *cpi,
3228                                       size_t *size,
3229                                       uint8_t *dest) {
3230  VP9_COMMON *const cm = &cpi->common;
3231  int q = 0, bottom_index = 0, top_index = 0;  // Dummy variables.
3232
3233  vpx_clear_system_state();
3234
3235  set_frame_size(cpi);
3236
3237  cpi->Source = vp9_scale_if_required(cm,
3238                                      cpi->un_scaled_source,
3239                                      &cpi->scaled_source,
3240                                      (cpi->oxcf.pass == 0));
3241
3242  // Avoid scaling last_source unless its needed.
3243  // Last source is currently only used for screen-content mode,
3244  // or if partition_search_type == SOURCE_VAR_BASED_PARTITION.
3245  if (cpi->unscaled_last_source != NULL &&
3246      (cpi->oxcf.content == VP9E_CONTENT_SCREEN ||
3247      cpi->sf.partition_search_type == SOURCE_VAR_BASED_PARTITION))
3248    cpi->Last_Source = vp9_scale_if_required(cm,
3249                                             cpi->unscaled_last_source,
3250                                             &cpi->scaled_last_source,
3251                                             (cpi->oxcf.pass == 0));
3252
3253#if CONFIG_VP9_TEMPORAL_DENOISING
3254  if (cpi->oxcf.noise_sensitivity > 0 &&
3255      cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
3256    vp9_denoiser_update_noise_estimate(cpi);
3257  }
3258#endif
3259
3260  if (cpi->oxcf.pass == 0 &&
3261      cpi->oxcf.rc_mode == VPX_CBR &&
3262      cpi->resize_state == 0 &&
3263      cm->frame_type != KEY_FRAME &&
3264      cpi->oxcf.content == VP9E_CONTENT_SCREEN)
3265    vp9_avg_source_sad(cpi);
3266
3267  if (frame_is_intra_only(cm) == 0) {
3268    vp9_scale_references(cpi);
3269  }
3270
3271  set_size_independent_vars(cpi);
3272  set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
3273
3274  vp9_set_quantizer(cm, q);
3275  vp9_set_variance_partition_thresholds(cpi, q);
3276
3277  setup_frame(cpi);
3278
3279  suppress_active_map(cpi);
3280  // Variance adaptive and in frame q adjustment experiments are mutually
3281  // exclusive.
3282  if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
3283    vp9_vaq_frame_setup(cpi);
3284  } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
3285    vp9_setup_in_frame_q_adj(cpi);
3286  } else if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
3287    vp9_cyclic_refresh_setup(cpi);
3288  }
3289  apply_active_map(cpi);
3290
3291  // transform / motion compensation build reconstruction frame
3292  vp9_encode_frame(cpi);
3293
3294  // Check if we should drop this frame because of high overshoot.
3295  // Only for frames where high temporal-source sad is detected.
3296  if (cpi->oxcf.pass == 0 &&
3297      cpi->oxcf.rc_mode == VPX_CBR &&
3298      cpi->resize_state == 0 &&
3299      cm->frame_type != KEY_FRAME &&
3300      cpi->oxcf.content == VP9E_CONTENT_SCREEN &&
3301      cpi->rc.high_source_sad == 1) {
3302    int frame_size = 0;
3303    // Get an estimate of the encoded frame size.
3304    save_coding_context(cpi);
3305    vp9_pack_bitstream(cpi, dest, size);
3306    restore_coding_context(cpi);
3307    frame_size = (int)(*size) << 3;
3308    // Check if encoded frame will overshoot too much, and if so, set the q and
3309    // adjust some rate control parameters, and return to re-encode the frame.
3310    if (vp9_encodedframe_overshoot(cpi, frame_size, &q)) {
3311      vpx_clear_system_state();
3312      vp9_set_quantizer(cm, q);
3313      vp9_set_variance_partition_thresholds(cpi, q);
3314      suppress_active_map(cpi);
3315      // Turn-off cyclic refresh for re-encoded frame.
3316      if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
3317        unsigned char *const seg_map = cpi->segmentation_map;
3318        memset(seg_map, 0, cm->mi_rows * cm->mi_cols);
3319        vp9_disable_segmentation(&cm->seg);
3320      }
3321      apply_active_map(cpi);
3322      vp9_encode_frame(cpi);
3323    }
3324  }
3325
3326  // Update some stats from cyclic refresh, and check if we should not update
3327  // golden reference, for non-SVC 1 pass CBR.
3328  if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ &&
3329      cm->frame_type != KEY_FRAME &&
3330      !cpi->use_svc &&
3331      cpi->ext_refresh_frame_flags_pending == 0 &&
3332      (cpi->oxcf.pass == 0 && cpi->oxcf.rc_mode == VPX_CBR))
3333    vp9_cyclic_refresh_check_golden_update(cpi);
3334
3335  // Update the skip mb flag probabilities based on the distribution
3336  // seen in the last encoder iteration.
3337  // update_base_skip_probs(cpi);
3338  vpx_clear_system_state();
3339}
3340
3341static void encode_with_recode_loop(VP9_COMP *cpi,
3342                                    size_t *size,
3343                                    uint8_t *dest) {
3344  VP9_COMMON *const cm = &cpi->common;
3345  RATE_CONTROL *const rc = &cpi->rc;
3346  int bottom_index, top_index;
3347  int loop_count = 0;
3348  int loop_at_this_size = 0;
3349  int loop = 0;
3350  int overshoot_seen = 0;
3351  int undershoot_seen = 0;
3352  int frame_over_shoot_limit;
3353  int frame_under_shoot_limit;
3354  int q = 0, q_low = 0, q_high = 0;
3355
3356  set_size_independent_vars(cpi);
3357
3358  do {
3359    vpx_clear_system_state();
3360
3361    set_frame_size(cpi);
3362
3363    if (loop_count == 0 || cpi->resize_pending != 0) {
3364      set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
3365
3366      // TODO(agrange) Scale cpi->max_mv_magnitude if frame-size has changed.
3367      set_mv_search_params(cpi);
3368
3369      // Reset the loop state for new frame size.
3370      overshoot_seen = 0;
3371      undershoot_seen = 0;
3372
3373      // Reconfiguration for change in frame size has concluded.
3374      cpi->resize_pending = 0;
3375
3376      q_low = bottom_index;
3377      q_high = top_index;
3378
3379      loop_at_this_size = 0;
3380    }
3381
3382    // Decide frame size bounds first time through.
3383    if (loop_count == 0) {
3384      vp9_rc_compute_frame_size_bounds(cpi, rc->this_frame_target,
3385                                       &frame_under_shoot_limit,
3386                                       &frame_over_shoot_limit);
3387    }
3388
3389    cpi->Source = vp9_scale_if_required(cm, cpi->un_scaled_source,
3390                                      &cpi->scaled_source,
3391                                      (cpi->oxcf.pass == 0));
3392
3393    if (cpi->unscaled_last_source != NULL)
3394      cpi->Last_Source = vp9_scale_if_required(cm, cpi->unscaled_last_source,
3395                                               &cpi->scaled_last_source,
3396                                               (cpi->oxcf.pass == 0));
3397
3398    if (frame_is_intra_only(cm) == 0) {
3399      if (loop_count > 0) {
3400        release_scaled_references(cpi);
3401      }
3402      vp9_scale_references(cpi);
3403    }
3404
3405    vp9_set_quantizer(cm, q);
3406
3407    if (loop_count == 0)
3408      setup_frame(cpi);
3409
3410    // Variance adaptive and in frame q adjustment experiments are mutually
3411    // exclusive.
3412    if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
3413      vp9_vaq_frame_setup(cpi);
3414    } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
3415      vp9_setup_in_frame_q_adj(cpi);
3416    }
3417
3418    // transform / motion compensation build reconstruction frame
3419    vp9_encode_frame(cpi);
3420
3421    // Update the skip mb flag probabilities based on the distribution
3422    // seen in the last encoder iteration.
3423    // update_base_skip_probs(cpi);
3424
3425    vpx_clear_system_state();
3426
3427    // Dummy pack of the bitstream using up to date stats to get an
3428    // accurate estimate of output frame size to determine if we need
3429    // to recode.
3430    if (cpi->sf.recode_loop >= ALLOW_RECODE_KFARFGF) {
3431      save_coding_context(cpi);
3432      if (!cpi->sf.use_nonrd_pick_mode)
3433        vp9_pack_bitstream(cpi, dest, size);
3434
3435      rc->projected_frame_size = (int)(*size) << 3;
3436      restore_coding_context(cpi);
3437
3438      if (frame_over_shoot_limit == 0)
3439        frame_over_shoot_limit = 1;
3440    }
3441
3442    if (cpi->oxcf.rc_mode == VPX_Q) {
3443      loop = 0;
3444    } else {
3445      if ((cm->frame_type == KEY_FRAME) &&
3446           rc->this_key_frame_forced &&
3447           (rc->projected_frame_size < rc->max_frame_bandwidth)) {
3448        int last_q = q;
3449        int64_t kf_err;
3450
3451        int64_t high_err_target = cpi->ambient_err;
3452        int64_t low_err_target = cpi->ambient_err >> 1;
3453
3454#if CONFIG_VP9_HIGHBITDEPTH
3455        if (cm->use_highbitdepth) {
3456          kf_err = vp9_highbd_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3457        } else {
3458          kf_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3459        }
3460#else
3461        kf_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3462#endif  // CONFIG_VP9_HIGHBITDEPTH
3463
3464        // Prevent possible divide by zero error below for perfect KF
3465        kf_err += !kf_err;
3466
3467        // The key frame is not good enough or we can afford
3468        // to make it better without undue risk of popping.
3469        if ((kf_err > high_err_target &&
3470             rc->projected_frame_size <= frame_over_shoot_limit) ||
3471            (kf_err > low_err_target &&
3472             rc->projected_frame_size <= frame_under_shoot_limit)) {
3473          // Lower q_high
3474          q_high = q > q_low ? q - 1 : q_low;
3475
3476          // Adjust Q
3477          q = (int)((q * high_err_target) / kf_err);
3478          q = VPXMIN(q, (q_high + q_low) >> 1);
3479        } else if (kf_err < low_err_target &&
3480                   rc->projected_frame_size >= frame_under_shoot_limit) {
3481          // The key frame is much better than the previous frame
3482          // Raise q_low
3483          q_low = q < q_high ? q + 1 : q_high;
3484
3485          // Adjust Q
3486          q = (int)((q * low_err_target) / kf_err);
3487          q = VPXMIN(q, (q_high + q_low + 1) >> 1);
3488        }
3489
3490        // Clamp Q to upper and lower limits:
3491        q = clamp(q, q_low, q_high);
3492
3493        loop = q != last_q;
3494      } else if (recode_loop_test(
3495          cpi, frame_over_shoot_limit, frame_under_shoot_limit,
3496          q, VPXMAX(q_high, top_index), bottom_index)) {
3497        // Is the projected frame size out of range and are we allowed
3498        // to attempt to recode.
3499        int last_q = q;
3500        int retries = 0;
3501
3502        if (cpi->resize_pending == 1) {
3503          // Change in frame size so go back around the recode loop.
3504          cpi->rc.frame_size_selector =
3505              SCALE_STEP1 - cpi->rc.frame_size_selector;
3506          cpi->rc.next_frame_size_selector = cpi->rc.frame_size_selector;
3507
3508#if CONFIG_INTERNAL_STATS
3509          ++cpi->tot_recode_hits;
3510#endif
3511          ++loop_count;
3512          loop = 1;
3513          continue;
3514        }
3515
3516        // Frame size out of permitted range:
3517        // Update correction factor & compute new Q to try...
3518
3519        // Frame is too large
3520        if (rc->projected_frame_size > rc->this_frame_target) {
3521          // Special case if the projected size is > the max allowed.
3522          if (rc->projected_frame_size >= rc->max_frame_bandwidth)
3523            q_high = rc->worst_quality;
3524
3525          // Raise Qlow as to at least the current value
3526          q_low = q < q_high ? q + 1 : q_high;
3527
3528          if (undershoot_seen || loop_at_this_size > 1) {
3529            // Update rate_correction_factor unless
3530            vp9_rc_update_rate_correction_factors(cpi);
3531
3532            q = (q_high + q_low + 1) / 2;
3533          } else {
3534            // Update rate_correction_factor unless
3535            vp9_rc_update_rate_correction_factors(cpi);
3536
3537            q = vp9_rc_regulate_q(cpi, rc->this_frame_target,
3538                                  bottom_index, VPXMAX(q_high, top_index));
3539
3540            while (q < q_low && retries < 10) {
3541              vp9_rc_update_rate_correction_factors(cpi);
3542              q = vp9_rc_regulate_q(cpi, rc->this_frame_target,
3543                                    bottom_index, VPXMAX(q_high, top_index));
3544              retries++;
3545            }
3546          }
3547
3548          overshoot_seen = 1;
3549        } else {
3550          // Frame is too small
3551          q_high = q > q_low ? q - 1 : q_low;
3552
3553          if (overshoot_seen || loop_at_this_size > 1) {
3554            vp9_rc_update_rate_correction_factors(cpi);
3555            q = (q_high + q_low) / 2;
3556          } else {
3557            vp9_rc_update_rate_correction_factors(cpi);
3558            q = vp9_rc_regulate_q(cpi, rc->this_frame_target,
3559                                   bottom_index, top_index);
3560            // Special case reset for qlow for constrained quality.
3561            // This should only trigger where there is very substantial
3562            // undershoot on a frame and the auto cq level is above
3563            // the user passsed in value.
3564            if (cpi->oxcf.rc_mode == VPX_CQ &&
3565                q < q_low) {
3566              q_low = q;
3567            }
3568
3569            while (q > q_high && retries < 10) {
3570              vp9_rc_update_rate_correction_factors(cpi);
3571              q = vp9_rc_regulate_q(cpi, rc->this_frame_target,
3572                                     bottom_index, top_index);
3573              retries++;
3574            }
3575          }
3576
3577          undershoot_seen = 1;
3578        }
3579
3580        // Clamp Q to upper and lower limits:
3581        q = clamp(q, q_low, q_high);
3582
3583        loop = (q != last_q);
3584      } else {
3585        loop = 0;
3586      }
3587    }
3588
3589    // Special case for overlay frame.
3590    if (rc->is_src_frame_alt_ref &&
3591        rc->projected_frame_size < rc->max_frame_bandwidth)
3592      loop = 0;
3593
3594    if (loop) {
3595      ++loop_count;
3596      ++loop_at_this_size;
3597
3598#if CONFIG_INTERNAL_STATS
3599      ++cpi->tot_recode_hits;
3600#endif
3601    }
3602  } while (loop);
3603}
3604
3605static int get_ref_frame_flags(const VP9_COMP *cpi) {
3606  const int *const map = cpi->common.ref_frame_map;
3607  const int gold_is_last = map[cpi->gld_fb_idx] == map[cpi->lst_fb_idx];
3608  const int alt_is_last = map[cpi->alt_fb_idx] == map[cpi->lst_fb_idx];
3609  const int gold_is_alt = map[cpi->gld_fb_idx] == map[cpi->alt_fb_idx];
3610  int flags = VP9_ALT_FLAG | VP9_GOLD_FLAG | VP9_LAST_FLAG;
3611
3612  if (gold_is_last)
3613    flags &= ~VP9_GOLD_FLAG;
3614
3615  if (cpi->rc.frames_till_gf_update_due == INT_MAX &&
3616      (cpi->svc.number_temporal_layers == 1 &&
3617       cpi->svc.number_spatial_layers == 1))
3618    flags &= ~VP9_GOLD_FLAG;
3619
3620  if (alt_is_last)
3621    flags &= ~VP9_ALT_FLAG;
3622
3623  if (gold_is_alt)
3624    flags &= ~VP9_ALT_FLAG;
3625
3626  return flags;
3627}
3628
3629static void set_ext_overrides(VP9_COMP *cpi) {
3630  // Overrides the defaults with the externally supplied values with
3631  // vp9_update_reference() and vp9_update_entropy() calls
3632  // Note: The overrides are valid only for the next frame passed
3633  // to encode_frame_to_data_rate() function
3634  if (cpi->ext_refresh_frame_context_pending) {
3635    cpi->common.refresh_frame_context = cpi->ext_refresh_frame_context;
3636    cpi->ext_refresh_frame_context_pending = 0;
3637  }
3638  if (cpi->ext_refresh_frame_flags_pending) {
3639    cpi->refresh_last_frame = cpi->ext_refresh_last_frame;
3640    cpi->refresh_golden_frame = cpi->ext_refresh_golden_frame;
3641    cpi->refresh_alt_ref_frame = cpi->ext_refresh_alt_ref_frame;
3642  }
3643}
3644
3645YV12_BUFFER_CONFIG *vp9_scale_if_required(VP9_COMMON *cm,
3646                                          YV12_BUFFER_CONFIG *unscaled,
3647                                          YV12_BUFFER_CONFIG *scaled,
3648                                          int use_normative_scaler) {
3649  if (cm->mi_cols * MI_SIZE != unscaled->y_width ||
3650      cm->mi_rows * MI_SIZE != unscaled->y_height) {
3651#if CONFIG_VP9_HIGHBITDEPTH
3652    if (use_normative_scaler)
3653      scale_and_extend_frame(unscaled, scaled, (int)cm->bit_depth);
3654    else
3655      scale_and_extend_frame_nonnormative(unscaled, scaled, (int)cm->bit_depth);
3656#else
3657    if (use_normative_scaler)
3658      scale_and_extend_frame(unscaled, scaled);
3659    else
3660      scale_and_extend_frame_nonnormative(unscaled, scaled);
3661#endif  // CONFIG_VP9_HIGHBITDEPTH
3662    return scaled;
3663  } else {
3664    return unscaled;
3665  }
3666}
3667
3668static void set_arf_sign_bias(VP9_COMP *cpi) {
3669  VP9_COMMON *const cm = &cpi->common;
3670  int arf_sign_bias;
3671
3672  if ((cpi->oxcf.pass == 2) && cpi->multi_arf_allowed) {
3673    const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
3674    arf_sign_bias = cpi->rc.source_alt_ref_active &&
3675                    (!cpi->refresh_alt_ref_frame ||
3676                     (gf_group->rf_level[gf_group->index] == GF_ARF_LOW));
3677  } else {
3678    arf_sign_bias =
3679      (cpi->rc.source_alt_ref_active && !cpi->refresh_alt_ref_frame);
3680  }
3681  cm->ref_frame_sign_bias[ALTREF_FRAME] = arf_sign_bias;
3682}
3683
3684static int setup_interp_filter_search_mask(VP9_COMP *cpi) {
3685  INTERP_FILTER ifilter;
3686  int ref_total[MAX_REF_FRAMES] = {0};
3687  MV_REFERENCE_FRAME ref;
3688  int mask = 0;
3689  if (cpi->common.last_frame_type == KEY_FRAME ||
3690      cpi->refresh_alt_ref_frame)
3691    return mask;
3692  for (ref = LAST_FRAME; ref <= ALTREF_FRAME; ++ref)
3693    for (ifilter = EIGHTTAP; ifilter <= EIGHTTAP_SHARP; ++ifilter)
3694      ref_total[ref] += cpi->interp_filter_selected[ref][ifilter];
3695
3696  for (ifilter = EIGHTTAP; ifilter <= EIGHTTAP_SHARP; ++ifilter) {
3697    if ((ref_total[LAST_FRAME] &&
3698        cpi->interp_filter_selected[LAST_FRAME][ifilter] == 0) &&
3699        (ref_total[GOLDEN_FRAME] == 0 ||
3700         cpi->interp_filter_selected[GOLDEN_FRAME][ifilter] * 50
3701           < ref_total[GOLDEN_FRAME]) &&
3702        (ref_total[ALTREF_FRAME] == 0 ||
3703         cpi->interp_filter_selected[ALTREF_FRAME][ifilter] * 50
3704           < ref_total[ALTREF_FRAME]))
3705      mask |= 1 << ifilter;
3706  }
3707  return mask;
3708}
3709
3710static void encode_frame_to_data_rate(VP9_COMP *cpi,
3711                                      size_t *size,
3712                                      uint8_t *dest,
3713                                      unsigned int *frame_flags) {
3714  VP9_COMMON *const cm = &cpi->common;
3715  const VP9EncoderConfig *const oxcf = &cpi->oxcf;
3716  struct segmentation *const seg = &cm->seg;
3717  TX_SIZE t;
3718
3719  set_ext_overrides(cpi);
3720  vpx_clear_system_state();
3721
3722  // Set the arf sign bias for this frame.
3723  set_arf_sign_bias(cpi);
3724
3725  // Set default state for segment based loop filter update flags.
3726  cm->lf.mode_ref_delta_update = 0;
3727
3728  if (cpi->oxcf.pass == 2 &&
3729      cpi->sf.adaptive_interp_filter_search)
3730    cpi->sf.interp_filter_search_mask =
3731        setup_interp_filter_search_mask(cpi);
3732
3733  // Set various flags etc to special state if it is a key frame.
3734  if (frame_is_intra_only(cm)) {
3735    // Reset the loop filter deltas and segmentation map.
3736    vp9_reset_segment_features(&cm->seg);
3737
3738    // If segmentation is enabled force a map update for key frames.
3739    if (seg->enabled) {
3740      seg->update_map = 1;
3741      seg->update_data = 1;
3742    }
3743
3744    // The alternate reference frame cannot be active for a key frame.
3745    cpi->rc.source_alt_ref_active = 0;
3746
3747    cm->error_resilient_mode = oxcf->error_resilient_mode;
3748    cm->frame_parallel_decoding_mode = oxcf->frame_parallel_decoding_mode;
3749
3750    // By default, encoder assumes decoder can use prev_mi.
3751    if (cm->error_resilient_mode) {
3752      cm->frame_parallel_decoding_mode = 1;
3753      cm->reset_frame_context = 0;
3754      cm->refresh_frame_context = 0;
3755    } else if (cm->intra_only) {
3756      // Only reset the current context.
3757      cm->reset_frame_context = 2;
3758    }
3759  }
3760  if (is_two_pass_svc(cpi) && cm->error_resilient_mode == 0) {
3761    // Use context 0 for intra only empty frame, but the last frame context
3762    // for other empty frames.
3763    if (cpi->svc.encode_empty_frame_state == ENCODING) {
3764      if (cpi->svc.encode_intra_empty_frame != 0)
3765        cm->frame_context_idx = 0;
3766      else
3767        cm->frame_context_idx = FRAME_CONTEXTS - 1;
3768    } else {
3769    cm->frame_context_idx =
3770        cpi->svc.spatial_layer_id * cpi->svc.number_temporal_layers +
3771        cpi->svc.temporal_layer_id;
3772    }
3773
3774    cm->frame_parallel_decoding_mode = oxcf->frame_parallel_decoding_mode;
3775
3776    // The probs will be updated based on the frame type of its previous
3777    // frame if frame_parallel_decoding_mode is 0. The type may vary for
3778    // the frame after a key frame in base layer since we may drop enhancement
3779    // layers. So set frame_parallel_decoding_mode to 1 in this case.
3780    if (cm->frame_parallel_decoding_mode == 0) {
3781      if (cpi->svc.number_temporal_layers == 1) {
3782        if (cpi->svc.spatial_layer_id == 0 &&
3783            cpi->svc.layer_context[0].last_frame_type == KEY_FRAME)
3784          cm->frame_parallel_decoding_mode = 1;
3785      } else if (cpi->svc.spatial_layer_id == 0) {
3786        // Find the 2nd frame in temporal base layer and 1st frame in temporal
3787        // enhancement layers from the key frame.
3788        int i;
3789        for (i = 0; i < cpi->svc.number_temporal_layers; ++i) {
3790          if (cpi->svc.layer_context[0].frames_from_key_frame == 1 << i) {
3791            cm->frame_parallel_decoding_mode = 1;
3792            break;
3793          }
3794        }
3795      }
3796    }
3797  }
3798
3799  // For 1 pass CBR, check if we are dropping this frame.
3800  // Never drop on key frame.
3801  if (oxcf->pass == 0 &&
3802      oxcf->rc_mode == VPX_CBR &&
3803      cm->frame_type != KEY_FRAME) {
3804    if (vp9_rc_drop_frame(cpi)) {
3805      vp9_rc_postencode_update_drop_frame(cpi);
3806      ++cm->current_video_frame;
3807      cpi->ext_refresh_frame_flags_pending = 0;
3808      return;
3809    }
3810  }
3811
3812  vpx_clear_system_state();
3813
3814#if CONFIG_INTERNAL_STATS
3815  memset(cpi->mode_chosen_counts, 0,
3816         MAX_MODES * sizeof(*cpi->mode_chosen_counts));
3817#endif
3818
3819  if (cpi->sf.recode_loop == DISALLOW_RECODE) {
3820    encode_without_recode_loop(cpi, size, dest);
3821  } else {
3822    encode_with_recode_loop(cpi, size, dest);
3823  }
3824
3825#if CONFIG_VP9_TEMPORAL_DENOISING
3826#ifdef OUTPUT_YUV_DENOISED
3827  if (oxcf->noise_sensitivity > 0) {
3828    vp9_write_yuv_frame_420(&cpi->denoiser.running_avg_y[INTRA_FRAME],
3829                            yuv_denoised_file);
3830  }
3831#endif
3832#endif
3833#ifdef OUTPUT_YUV_SKINMAP
3834  if (cpi->common.current_video_frame > 1) {
3835    vp9_compute_skin_map(cpi, yuv_skinmap_file);
3836  }
3837#endif
3838
3839  // Special case code to reduce pulsing when key frames are forced at a
3840  // fixed interval. Note the reconstruction error if it is the frame before
3841  // the force key frame
3842  if (cpi->rc.next_key_frame_forced && cpi->rc.frames_to_key == 1) {
3843#if CONFIG_VP9_HIGHBITDEPTH
3844    if (cm->use_highbitdepth) {
3845      cpi->ambient_err = vp9_highbd_get_y_sse(cpi->Source,
3846                                              get_frame_new_buffer(cm));
3847    } else {
3848      cpi->ambient_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3849    }
3850#else
3851    cpi->ambient_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm));
3852#endif  // CONFIG_VP9_HIGHBITDEPTH
3853  }
3854
3855  // If the encoder forced a KEY_FRAME decision
3856  if (cm->frame_type == KEY_FRAME)
3857    cpi->refresh_last_frame = 1;
3858
3859  cm->frame_to_show = get_frame_new_buffer(cm);
3860  cm->frame_to_show->color_space = cm->color_space;
3861  cm->frame_to_show->color_range = cm->color_range;
3862  cm->frame_to_show->render_width  = cm->render_width;
3863  cm->frame_to_show->render_height = cm->render_height;
3864
3865  // Pick the loop filter level for the frame.
3866  loopfilter_frame(cpi, cm);
3867
3868  // build the bitstream
3869  vp9_pack_bitstream(cpi, dest, size);
3870
3871  if (cm->seg.update_map)
3872    update_reference_segmentation_map(cpi);
3873
3874  if (frame_is_intra_only(cm) == 0) {
3875    release_scaled_references(cpi);
3876  }
3877  vp9_update_reference_frames(cpi);
3878
3879  for (t = TX_4X4; t <= TX_32X32; t++)
3880    full_to_model_counts(cpi->td.counts->coef[t],
3881                         cpi->td.rd_counts.coef_counts[t]);
3882
3883  if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode)
3884    vp9_adapt_coef_probs(cm);
3885
3886  if (!frame_is_intra_only(cm)) {
3887    if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode) {
3888      vp9_adapt_mode_probs(cm);
3889      vp9_adapt_mv_probs(cm, cm->allow_high_precision_mv);
3890    }
3891  }
3892
3893  cpi->ext_refresh_frame_flags_pending = 0;
3894
3895  if (cpi->refresh_golden_frame == 1)
3896    cpi->frame_flags |= FRAMEFLAGS_GOLDEN;
3897  else
3898    cpi->frame_flags &= ~FRAMEFLAGS_GOLDEN;
3899
3900  if (cpi->refresh_alt_ref_frame == 1)
3901    cpi->frame_flags |= FRAMEFLAGS_ALTREF;
3902  else
3903    cpi->frame_flags &= ~FRAMEFLAGS_ALTREF;
3904
3905  cpi->ref_frame_flags = get_ref_frame_flags(cpi);
3906
3907  cm->last_frame_type = cm->frame_type;
3908
3909  if (!(is_two_pass_svc(cpi) && cpi->svc.encode_empty_frame_state == ENCODING))
3910    vp9_rc_postencode_update(cpi, *size);
3911
3912#if 0
3913  output_frame_level_debug_stats(cpi);
3914#endif
3915
3916  if (cm->frame_type == KEY_FRAME) {
3917    // Tell the caller that the frame was coded as a key frame
3918    *frame_flags = cpi->frame_flags | FRAMEFLAGS_KEY;
3919  } else {
3920    *frame_flags = cpi->frame_flags & ~FRAMEFLAGS_KEY;
3921  }
3922
3923  // Clear the one shot update flags for segmentation map and mode/ref loop
3924  // filter deltas.
3925  cm->seg.update_map = 0;
3926  cm->seg.update_data = 0;
3927  cm->lf.mode_ref_delta_update = 0;
3928
3929  // keep track of the last coded dimensions
3930  cm->last_width = cm->width;
3931  cm->last_height = cm->height;
3932
3933  // reset to normal state now that we are done.
3934  if (!cm->show_existing_frame)
3935    cm->last_show_frame = cm->show_frame;
3936
3937  if (cm->show_frame) {
3938    vp9_swap_mi_and_prev_mi(cm);
3939    // Don't increment frame counters if this was an altref buffer
3940    // update not a real frame
3941    ++cm->current_video_frame;
3942    if (cpi->use_svc)
3943      vp9_inc_frame_in_layer(cpi);
3944  }
3945  cm->prev_frame = cm->cur_frame;
3946
3947  if (cpi->use_svc)
3948    cpi->svc.layer_context[cpi->svc.spatial_layer_id *
3949                           cpi->svc.number_temporal_layers +
3950                           cpi->svc.temporal_layer_id].last_frame_type =
3951                               cm->frame_type;
3952}
3953
3954static void SvcEncode(VP9_COMP *cpi, size_t *size, uint8_t *dest,
3955                      unsigned int *frame_flags) {
3956  vp9_rc_get_svc_params(cpi);
3957  encode_frame_to_data_rate(cpi, size, dest, frame_flags);
3958}
3959
3960static void Pass0Encode(VP9_COMP *cpi, size_t *size, uint8_t *dest,
3961                        unsigned int *frame_flags) {
3962  if (cpi->oxcf.rc_mode == VPX_CBR) {
3963    vp9_rc_get_one_pass_cbr_params(cpi);
3964  } else {
3965    vp9_rc_get_one_pass_vbr_params(cpi);
3966  }
3967  encode_frame_to_data_rate(cpi, size, dest, frame_flags);
3968}
3969
3970static void Pass2Encode(VP9_COMP *cpi, size_t *size,
3971                        uint8_t *dest, unsigned int *frame_flags) {
3972  cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
3973  encode_frame_to_data_rate(cpi, size, dest, frame_flags);
3974
3975  if (!(is_two_pass_svc(cpi) && cpi->svc.encode_empty_frame_state == ENCODING))
3976    vp9_twopass_postencode_update(cpi);
3977}
3978
3979static void init_ref_frame_bufs(VP9_COMMON *cm) {
3980  int i;
3981  BufferPool *const pool = cm->buffer_pool;
3982  cm->new_fb_idx = INVALID_IDX;
3983  for (i = 0; i < REF_FRAMES; ++i) {
3984    cm->ref_frame_map[i] = INVALID_IDX;
3985    pool->frame_bufs[i].ref_count = 0;
3986  }
3987}
3988
3989static void check_initial_width(VP9_COMP *cpi,
3990#if CONFIG_VP9_HIGHBITDEPTH
3991                                int use_highbitdepth,
3992#endif
3993                                int subsampling_x, int subsampling_y) {
3994  VP9_COMMON *const cm = &cpi->common;
3995
3996  if (!cpi->initial_width ||
3997#if CONFIG_VP9_HIGHBITDEPTH
3998      cm->use_highbitdepth != use_highbitdepth ||
3999#endif
4000      cm->subsampling_x != subsampling_x ||
4001      cm->subsampling_y != subsampling_y) {
4002    cm->subsampling_x = subsampling_x;
4003    cm->subsampling_y = subsampling_y;
4004#if CONFIG_VP9_HIGHBITDEPTH
4005    cm->use_highbitdepth = use_highbitdepth;
4006#endif
4007
4008    alloc_raw_frame_buffers(cpi);
4009    init_ref_frame_bufs(cm);
4010    alloc_util_frame_buffers(cpi);
4011
4012    init_motion_estimation(cpi);  // TODO(agrange) This can be removed.
4013
4014    cpi->initial_width = cm->width;
4015    cpi->initial_height = cm->height;
4016    cpi->initial_mbs = cm->MBs;
4017  }
4018}
4019
4020int vp9_receive_raw_frame(VP9_COMP *cpi, unsigned int frame_flags,
4021                          YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
4022                          int64_t end_time) {
4023  VP9_COMMON *cm = &cpi->common;
4024  struct vpx_usec_timer timer;
4025  int res = 0;
4026  const int subsampling_x = sd->subsampling_x;
4027  const int subsampling_y = sd->subsampling_y;
4028#if CONFIG_VP9_HIGHBITDEPTH
4029  const int use_highbitdepth = sd->flags & YV12_FLAG_HIGHBITDEPTH;
4030  check_initial_width(cpi, use_highbitdepth, subsampling_x, subsampling_y);
4031#else
4032  check_initial_width(cpi, subsampling_x, subsampling_y);
4033#endif  // CONFIG_VP9_HIGHBITDEPTH
4034
4035#if CONFIG_VP9_TEMPORAL_DENOISING
4036  setup_denoiser_buffer(cpi);
4037#endif
4038  vpx_usec_timer_start(&timer);
4039
4040  if (vp9_lookahead_push(cpi->lookahead, sd, time_stamp, end_time,
4041#if CONFIG_VP9_HIGHBITDEPTH
4042                         use_highbitdepth,
4043#endif  // CONFIG_VP9_HIGHBITDEPTH
4044                         frame_flags))
4045    res = -1;
4046  vpx_usec_timer_mark(&timer);
4047  cpi->time_receive_data += vpx_usec_timer_elapsed(&timer);
4048
4049  if ((cm->profile == PROFILE_0 || cm->profile == PROFILE_2) &&
4050      (subsampling_x != 1 || subsampling_y != 1)) {
4051    vpx_internal_error(&cm->error, VPX_CODEC_INVALID_PARAM,
4052                       "Non-4:2:0 color format requires profile 1 or 3");
4053    res = -1;
4054  }
4055  if ((cm->profile == PROFILE_1 || cm->profile == PROFILE_3) &&
4056      (subsampling_x == 1 && subsampling_y == 1)) {
4057    vpx_internal_error(&cm->error, VPX_CODEC_INVALID_PARAM,
4058                       "4:2:0 color format requires profile 0 or 2");
4059    res = -1;
4060  }
4061
4062  return res;
4063}
4064
4065
4066static int frame_is_reference(const VP9_COMP *cpi) {
4067  const VP9_COMMON *cm = &cpi->common;
4068
4069  return cm->frame_type == KEY_FRAME ||
4070         cpi->refresh_last_frame ||
4071         cpi->refresh_golden_frame ||
4072         cpi->refresh_alt_ref_frame ||
4073         cm->refresh_frame_context ||
4074         cm->lf.mode_ref_delta_update ||
4075         cm->seg.update_map ||
4076         cm->seg.update_data;
4077}
4078
4079static void adjust_frame_rate(VP9_COMP *cpi,
4080                              const struct lookahead_entry *source) {
4081  int64_t this_duration;
4082  int step = 0;
4083
4084  if (source->ts_start == cpi->first_time_stamp_ever) {
4085    this_duration = source->ts_end - source->ts_start;
4086    step = 1;
4087  } else {
4088    int64_t last_duration = cpi->last_end_time_stamp_seen
4089        - cpi->last_time_stamp_seen;
4090
4091    this_duration = source->ts_end - cpi->last_end_time_stamp_seen;
4092
4093    // do a step update if the duration changes by 10%
4094    if (last_duration)
4095      step = (int)((this_duration - last_duration) * 10 / last_duration);
4096  }
4097
4098  if (this_duration) {
4099    if (step) {
4100      vp9_new_framerate(cpi, 10000000.0 / this_duration);
4101    } else {
4102      // Average this frame's rate into the last second's average
4103      // frame rate. If we haven't seen 1 second yet, then average
4104      // over the whole interval seen.
4105      const double interval = VPXMIN(
4106          (double)(source->ts_end - cpi->first_time_stamp_ever), 10000000.0);
4107      double avg_duration = 10000000.0 / cpi->framerate;
4108      avg_duration *= (interval - avg_duration + this_duration);
4109      avg_duration /= interval;
4110
4111      vp9_new_framerate(cpi, 10000000.0 / avg_duration);
4112    }
4113  }
4114  cpi->last_time_stamp_seen = source->ts_start;
4115  cpi->last_end_time_stamp_seen = source->ts_end;
4116}
4117
4118// Returns 0 if this is not an alt ref else the offset of the source frame
4119// used as the arf midpoint.
4120static int get_arf_src_index(VP9_COMP *cpi) {
4121  RATE_CONTROL *const rc = &cpi->rc;
4122  int arf_src_index = 0;
4123  if (is_altref_enabled(cpi)) {
4124    if (cpi->oxcf.pass == 2) {
4125      const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
4126      if (gf_group->update_type[gf_group->index] == ARF_UPDATE) {
4127        arf_src_index = gf_group->arf_src_offset[gf_group->index];
4128      }
4129    } else if (rc->source_alt_ref_pending) {
4130      arf_src_index = rc->frames_till_gf_update_due;
4131    }
4132  }
4133  return arf_src_index;
4134}
4135
4136static void check_src_altref(VP9_COMP *cpi,
4137                             const struct lookahead_entry *source) {
4138  RATE_CONTROL *const rc = &cpi->rc;
4139
4140  if (cpi->oxcf.pass == 2) {
4141    const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
4142    rc->is_src_frame_alt_ref =
4143      (gf_group->update_type[gf_group->index] == OVERLAY_UPDATE);
4144  } else {
4145    rc->is_src_frame_alt_ref = cpi->alt_ref_source &&
4146                               (source == cpi->alt_ref_source);
4147  }
4148
4149  if (rc->is_src_frame_alt_ref) {
4150    // Current frame is an ARF overlay frame.
4151    cpi->alt_ref_source = NULL;
4152
4153    // Don't refresh the last buffer for an ARF overlay frame. It will
4154    // become the GF so preserve last as an alternative prediction option.
4155    cpi->refresh_last_frame = 0;
4156  }
4157}
4158
4159#if CONFIG_INTERNAL_STATS
4160extern double vp9_get_blockiness(const uint8_t *img1, int img1_pitch,
4161                                 const uint8_t *img2, int img2_pitch,
4162                                 int width, int height);
4163
4164static void adjust_image_stat(double y, double u, double v, double all,
4165                              ImageStat *s) {
4166  s->stat[Y] += y;
4167  s->stat[U] += u;
4168  s->stat[V] += v;
4169  s->stat[ALL] += all;
4170  s->worst = VPXMIN(s->worst, all);
4171}
4172#endif  // CONFIG_INTERNAL_STATS
4173
4174int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags,
4175                            size_t *size, uint8_t *dest,
4176                            int64_t *time_stamp, int64_t *time_end, int flush) {
4177  const VP9EncoderConfig *const oxcf = &cpi->oxcf;
4178  VP9_COMMON *const cm = &cpi->common;
4179  BufferPool *const pool = cm->buffer_pool;
4180  RATE_CONTROL *const rc = &cpi->rc;
4181  struct vpx_usec_timer  cmptimer;
4182  YV12_BUFFER_CONFIG *force_src_buffer = NULL;
4183  struct lookahead_entry *last_source = NULL;
4184  struct lookahead_entry *source = NULL;
4185  int arf_src_index;
4186  int i;
4187
4188  if (is_two_pass_svc(cpi)) {
4189#if CONFIG_SPATIAL_SVC
4190    vp9_svc_start_frame(cpi);
4191    // Use a small empty frame instead of a real frame
4192    if (cpi->svc.encode_empty_frame_state == ENCODING)
4193      source = &cpi->svc.empty_frame;
4194#endif
4195    if (oxcf->pass == 2)
4196      vp9_restore_layer_context(cpi);
4197  } else if (is_one_pass_cbr_svc(cpi)) {
4198    vp9_one_pass_cbr_svc_start_layer(cpi);
4199  }
4200
4201  vpx_usec_timer_start(&cmptimer);
4202
4203  vp9_set_high_precision_mv(cpi, ALTREF_HIGH_PRECISION_MV);
4204
4205  // Is multi-arf enabled.
4206  // Note that at the moment multi_arf is only configured for 2 pass VBR and
4207  // will not work properly with svc.
4208  if ((oxcf->pass == 2) && !cpi->use_svc &&
4209      (cpi->oxcf.enable_auto_arf > 1))
4210    cpi->multi_arf_allowed = 1;
4211  else
4212    cpi->multi_arf_allowed = 0;
4213
4214  // Normal defaults
4215  cm->reset_frame_context = 0;
4216  cm->refresh_frame_context = 1;
4217  if (!is_one_pass_cbr_svc(cpi)) {
4218    cpi->refresh_last_frame = 1;
4219    cpi->refresh_golden_frame = 0;
4220    cpi->refresh_alt_ref_frame = 0;
4221  }
4222
4223  // Should we encode an arf frame.
4224  arf_src_index = get_arf_src_index(cpi);
4225
4226  // Skip alt frame if we encode the empty frame
4227  if (is_two_pass_svc(cpi) && source != NULL)
4228    arf_src_index = 0;
4229
4230  if (arf_src_index) {
4231    assert(arf_src_index <= rc->frames_to_key);
4232
4233    if ((source = vp9_lookahead_peek(cpi->lookahead, arf_src_index)) != NULL) {
4234      cpi->alt_ref_source = source;
4235
4236#if CONFIG_SPATIAL_SVC
4237      if (is_two_pass_svc(cpi) && cpi->svc.spatial_layer_id > 0) {
4238        int i;
4239        // Reference a hidden frame from a lower layer
4240        for (i = cpi->svc.spatial_layer_id - 1; i >= 0; --i) {
4241          if (oxcf->ss_enable_auto_arf[i]) {
4242            cpi->gld_fb_idx = cpi->svc.layer_context[i].alt_ref_idx;
4243            break;
4244          }
4245        }
4246      }
4247      cpi->svc.layer_context[cpi->svc.spatial_layer_id].has_alt_frame = 1;
4248#endif
4249
4250      if (oxcf->arnr_max_frames > 0) {
4251        // Produce the filtered ARF frame.
4252        vp9_temporal_filter(cpi, arf_src_index);
4253        vpx_extend_frame_borders(&cpi->alt_ref_buffer);
4254        force_src_buffer = &cpi->alt_ref_buffer;
4255      }
4256
4257      cm->show_frame = 0;
4258      cm->intra_only = 0;
4259      cpi->refresh_alt_ref_frame = 1;
4260      cpi->refresh_golden_frame = 0;
4261      cpi->refresh_last_frame = 0;
4262      rc->is_src_frame_alt_ref = 0;
4263      rc->source_alt_ref_pending = 0;
4264    } else {
4265      rc->source_alt_ref_pending = 0;
4266    }
4267  }
4268
4269  if (!source) {
4270    // Get last frame source.
4271    if (cm->current_video_frame > 0) {
4272      if ((last_source = vp9_lookahead_peek(cpi->lookahead, -1)) == NULL)
4273        return -1;
4274    }
4275
4276    // Read in the source frame.
4277    if (cpi->use_svc)
4278      source = vp9_svc_lookahead_pop(cpi, cpi->lookahead, flush);
4279    else
4280      source = vp9_lookahead_pop(cpi->lookahead, flush);
4281
4282    if (source != NULL) {
4283      cm->show_frame = 1;
4284      cm->intra_only = 0;
4285      // if the flags indicate intra frame, but if the current picture is for
4286      // non-zero spatial layer, it should not be an intra picture.
4287      // TODO(Won Kap): this needs to change if per-layer intra frame is
4288      // allowed.
4289      if ((source->flags & VPX_EFLAG_FORCE_KF) &&
4290          cpi->svc.spatial_layer_id > cpi->svc.first_spatial_layer_to_encode) {
4291        source->flags &= ~(unsigned int)(VPX_EFLAG_FORCE_KF);
4292      }
4293
4294      // Check to see if the frame should be encoded as an arf overlay.
4295      check_src_altref(cpi, source);
4296    }
4297  }
4298
4299  if (source) {
4300    cpi->un_scaled_source = cpi->Source = force_src_buffer ? force_src_buffer
4301                                                           : &source->img;
4302
4303    cpi->unscaled_last_source = last_source != NULL ? &last_source->img : NULL;
4304
4305    *time_stamp = source->ts_start;
4306    *time_end = source->ts_end;
4307    *frame_flags = (source->flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
4308
4309  } else {
4310    *size = 0;
4311    if (flush && oxcf->pass == 1 && !cpi->twopass.first_pass_done) {
4312      vp9_end_first_pass(cpi);    /* get last stats packet */
4313      cpi->twopass.first_pass_done = 1;
4314    }
4315    return -1;
4316  }
4317
4318  if (source->ts_start < cpi->first_time_stamp_ever) {
4319    cpi->first_time_stamp_ever = source->ts_start;
4320    cpi->last_end_time_stamp_seen = source->ts_start;
4321  }
4322
4323  // Clear down mmx registers
4324  vpx_clear_system_state();
4325
4326  // adjust frame rates based on timestamps given
4327  if (cm->show_frame) {
4328    adjust_frame_rate(cpi, source);
4329  }
4330
4331  if (is_one_pass_cbr_svc(cpi)) {
4332    vp9_update_temporal_layer_framerate(cpi);
4333    vp9_restore_layer_context(cpi);
4334  }
4335
4336  // Find a free buffer for the new frame, releasing the reference previously
4337  // held.
4338  if (cm->new_fb_idx != INVALID_IDX) {
4339    --pool->frame_bufs[cm->new_fb_idx].ref_count;
4340  }
4341  cm->new_fb_idx = get_free_fb(cm);
4342
4343  if (cm->new_fb_idx == INVALID_IDX)
4344    return -1;
4345
4346  cm->cur_frame = &pool->frame_bufs[cm->new_fb_idx];
4347
4348  if (!cpi->use_svc && cpi->multi_arf_allowed) {
4349    if (cm->frame_type == KEY_FRAME) {
4350      init_buffer_indices(cpi);
4351    } else if (oxcf->pass == 2) {
4352      const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
4353      cpi->alt_fb_idx = gf_group->arf_ref_idx[gf_group->index];
4354    }
4355  }
4356
4357  // Start with a 0 size frame.
4358  *size = 0;
4359
4360  cpi->frame_flags = *frame_flags;
4361
4362  if ((oxcf->pass == 2) &&
4363      (!cpi->use_svc ||
4364          (is_two_pass_svc(cpi) &&
4365              cpi->svc.encode_empty_frame_state != ENCODING))) {
4366    vp9_rc_get_second_pass_params(cpi);
4367  } else if (oxcf->pass == 1) {
4368    set_frame_size(cpi);
4369  }
4370
4371  if (cpi->oxcf.pass != 0 ||
4372      cpi->use_svc ||
4373      frame_is_intra_only(cm) == 1) {
4374    for (i = 0; i < MAX_REF_FRAMES; ++i)
4375      cpi->scaled_ref_idx[i] = INVALID_IDX;
4376  }
4377
4378  if (oxcf->pass == 1 &&
4379      (!cpi->use_svc || is_two_pass_svc(cpi))) {
4380    const int lossless = is_lossless_requested(oxcf);
4381#if CONFIG_VP9_HIGHBITDEPTH
4382    if (cpi->oxcf.use_highbitdepth)
4383      cpi->td.mb.fwd_txm4x4 = lossless ?
4384          vp9_highbd_fwht4x4 : vpx_highbd_fdct4x4;
4385    else
4386      cpi->td.mb.fwd_txm4x4 = lossless ? vp9_fwht4x4 : vpx_fdct4x4;
4387    cpi->td.mb.highbd_itxm_add = lossless ? vp9_highbd_iwht4x4_add :
4388                                         vp9_highbd_idct4x4_add;
4389#else
4390    cpi->td.mb.fwd_txm4x4 = lossless ? vp9_fwht4x4 : vpx_fdct4x4;
4391#endif  // CONFIG_VP9_HIGHBITDEPTH
4392    cpi->td.mb.itxm_add = lossless ? vp9_iwht4x4_add : vp9_idct4x4_add;
4393    vp9_first_pass(cpi, source);
4394  } else if (oxcf->pass == 2 &&
4395      (!cpi->use_svc || is_two_pass_svc(cpi))) {
4396    Pass2Encode(cpi, size, dest, frame_flags);
4397  } else if (cpi->use_svc) {
4398    SvcEncode(cpi, size, dest, frame_flags);
4399  } else {
4400    // One pass encode
4401    Pass0Encode(cpi, size, dest, frame_flags);
4402  }
4403
4404  if (cm->refresh_frame_context)
4405    cm->frame_contexts[cm->frame_context_idx] = *cm->fc;
4406
4407  // No frame encoded, or frame was dropped, release scaled references.
4408  if ((*size == 0) && (frame_is_intra_only(cm) == 0)) {
4409    release_scaled_references(cpi);
4410  }
4411
4412  if (*size > 0) {
4413    cpi->droppable = !frame_is_reference(cpi);
4414  }
4415
4416  // Save layer specific state.
4417  if (is_one_pass_cbr_svc(cpi) ||
4418        ((cpi->svc.number_temporal_layers > 1 ||
4419          cpi->svc.number_spatial_layers > 1) &&
4420         oxcf->pass == 2)) {
4421    vp9_save_layer_context(cpi);
4422  }
4423
4424  vpx_usec_timer_mark(&cmptimer);
4425  cpi->time_compress_data += vpx_usec_timer_elapsed(&cmptimer);
4426
4427  if (cpi->b_calculate_psnr && oxcf->pass != 1 && cm->show_frame)
4428    generate_psnr_packet(cpi);
4429
4430#if CONFIG_INTERNAL_STATS
4431
4432  if (oxcf->pass != 1) {
4433    double samples = 0.0;
4434    cpi->bytes += (int)(*size);
4435
4436    if (cm->show_frame) {
4437      cpi->count++;
4438
4439      if (cpi->b_calculate_psnr) {
4440        YV12_BUFFER_CONFIG *orig = cpi->Source;
4441        YV12_BUFFER_CONFIG *recon = cpi->common.frame_to_show;
4442        YV12_BUFFER_CONFIG *pp = &cm->post_proc_buffer;
4443        PSNR_STATS psnr;
4444#if CONFIG_VP9_HIGHBITDEPTH
4445        calc_highbd_psnr(orig, recon, &psnr, cpi->td.mb.e_mbd.bd,
4446                         cpi->oxcf.input_bit_depth);
4447#else
4448        calc_psnr(orig, recon, &psnr);
4449#endif  // CONFIG_VP9_HIGHBITDEPTH
4450
4451        adjust_image_stat(psnr.psnr[1], psnr.psnr[2], psnr.psnr[3],
4452                          psnr.psnr[0], &cpi->psnr);
4453        cpi->total_sq_error += psnr.sse[0];
4454        cpi->total_samples += psnr.samples[0];
4455        samples = psnr.samples[0];
4456
4457        {
4458          PSNR_STATS psnr2;
4459          double frame_ssim2 = 0, weight = 0;
4460#if CONFIG_VP9_POSTPROC
4461          if (vpx_alloc_frame_buffer(&cm->post_proc_buffer,
4462                                     recon->y_crop_width, recon->y_crop_height,
4463                                     cm->subsampling_x, cm->subsampling_y,
4464#if CONFIG_VP9_HIGHBITDEPTH
4465                                     cm->use_highbitdepth,
4466#endif
4467                                     VP9_ENC_BORDER_IN_PIXELS,
4468                                     cm->byte_alignment) < 0) {
4469            vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
4470                               "Failed to allocate post processing buffer");
4471          }
4472
4473          vp9_deblock(cm->frame_to_show, &cm->post_proc_buffer,
4474                      cm->lf.filter_level * 10 / 6);
4475#endif
4476          vpx_clear_system_state();
4477
4478#if CONFIG_VP9_HIGHBITDEPTH
4479          calc_highbd_psnr(orig, pp, &psnr2, cpi->td.mb.e_mbd.bd,
4480                           cpi->oxcf.input_bit_depth);
4481#else
4482          calc_psnr(orig, pp, &psnr2);
4483#endif  // CONFIG_VP9_HIGHBITDEPTH
4484
4485          cpi->totalp_sq_error += psnr2.sse[0];
4486          cpi->totalp_samples += psnr2.samples[0];
4487          adjust_image_stat(psnr2.psnr[1], psnr2.psnr[2], psnr2.psnr[3],
4488                            psnr2.psnr[0], &cpi->psnrp);
4489
4490#if CONFIG_VP9_HIGHBITDEPTH
4491          if (cm->use_highbitdepth) {
4492            frame_ssim2 = vpx_highbd_calc_ssim(orig, recon, &weight,
4493                                               (int)cm->bit_depth);
4494          } else {
4495            frame_ssim2 = vpx_calc_ssim(orig, recon, &weight);
4496          }
4497#else
4498          frame_ssim2 = vpx_calc_ssim(orig, recon, &weight);
4499#endif  // CONFIG_VP9_HIGHBITDEPTH
4500
4501          cpi->worst_ssim = VPXMIN(cpi->worst_ssim, frame_ssim2);
4502          cpi->summed_quality += frame_ssim2 * weight;
4503          cpi->summed_weights += weight;
4504
4505#if CONFIG_VP9_HIGHBITDEPTH
4506          if (cm->use_highbitdepth) {
4507            frame_ssim2 = vpx_highbd_calc_ssim(
4508                orig, &cm->post_proc_buffer, &weight, (int)cm->bit_depth);
4509          } else {
4510            frame_ssim2 = vpx_calc_ssim(orig, &cm->post_proc_buffer, &weight);
4511          }
4512#else
4513          frame_ssim2 = vpx_calc_ssim(orig, &cm->post_proc_buffer, &weight);
4514#endif  // CONFIG_VP9_HIGHBITDEPTH
4515
4516          cpi->summedp_quality += frame_ssim2 * weight;
4517          cpi->summedp_weights += weight;
4518#if 0
4519          {
4520            FILE *f = fopen("q_used.stt", "a");
4521            fprintf(f, "%5d : Y%f7.3:U%f7.3:V%f7.3:F%f7.3:S%7.3f\n",
4522                    cpi->common.current_video_frame, y2, u2, v2,
4523                    frame_psnr2, frame_ssim2);
4524            fclose(f);
4525          }
4526#endif
4527        }
4528      }
4529      if (cpi->b_calculate_blockiness) {
4530#if CONFIG_VP9_HIGHBITDEPTH
4531        if (!cm->use_highbitdepth)
4532#endif
4533        {
4534          double frame_blockiness = vp9_get_blockiness(
4535              cpi->Source->y_buffer, cpi->Source->y_stride,
4536              cm->frame_to_show->y_buffer, cm->frame_to_show->y_stride,
4537              cpi->Source->y_width, cpi->Source->y_height);
4538          cpi->worst_blockiness =
4539              VPXMAX(cpi->worst_blockiness, frame_blockiness);
4540          cpi->total_blockiness += frame_blockiness;
4541        }
4542      }
4543
4544      if (cpi->b_calculate_consistency) {
4545#if CONFIG_VP9_HIGHBITDEPTH
4546        if (!cm->use_highbitdepth)
4547#endif
4548        {
4549          double this_inconsistency = vpx_get_ssim_metrics(
4550              cpi->Source->y_buffer, cpi->Source->y_stride,
4551              cm->frame_to_show->y_buffer, cm->frame_to_show->y_stride,
4552              cpi->Source->y_width, cpi->Source->y_height, cpi->ssim_vars,
4553              &cpi->metrics, 1);
4554
4555          const double peak = (double)((1 << cpi->oxcf.input_bit_depth) - 1);
4556          double consistency = vpx_sse_to_psnr(samples, peak,
4557                                             (double)cpi->total_inconsistency);
4558          if (consistency > 0.0)
4559            cpi->worst_consistency =
4560                VPXMIN(cpi->worst_consistency, consistency);
4561          cpi->total_inconsistency += this_inconsistency;
4562        }
4563      }
4564
4565      if (cpi->b_calculate_ssimg) {
4566        double y, u, v, frame_all;
4567#if CONFIG_VP9_HIGHBITDEPTH
4568        if (cm->use_highbitdepth) {
4569          frame_all = vpx_highbd_calc_ssimg(cpi->Source, cm->frame_to_show, &y,
4570                                            &u, &v, (int)cm->bit_depth);
4571        } else {
4572          frame_all = vpx_calc_ssimg(cpi->Source, cm->frame_to_show, &y, &u,
4573                                     &v);
4574        }
4575#else
4576        frame_all = vpx_calc_ssimg(cpi->Source, cm->frame_to_show, &y, &u, &v);
4577#endif  // CONFIG_VP9_HIGHBITDEPTH
4578        adjust_image_stat(y, u, v, frame_all, &cpi->ssimg);
4579      }
4580#if CONFIG_VP9_HIGHBITDEPTH
4581      if (!cm->use_highbitdepth)
4582#endif
4583      {
4584        double y, u, v, frame_all;
4585        frame_all = vpx_calc_fastssim(cpi->Source, cm->frame_to_show, &y, &u,
4586                                      &v);
4587        adjust_image_stat(y, u, v, frame_all, &cpi->fastssim);
4588        /* TODO(JBB): add 10/12 bit support */
4589      }
4590#if CONFIG_VP9_HIGHBITDEPTH
4591      if (!cm->use_highbitdepth)
4592#endif
4593      {
4594        double y, u, v, frame_all;
4595        frame_all = vpx_psnrhvs(cpi->Source, cm->frame_to_show, &y, &u, &v);
4596        adjust_image_stat(y, u, v, frame_all, &cpi->psnrhvs);
4597      }
4598    }
4599  }
4600
4601#endif
4602
4603  if (is_two_pass_svc(cpi)) {
4604    if (cpi->svc.encode_empty_frame_state == ENCODING) {
4605      cpi->svc.encode_empty_frame_state = ENCODED;
4606      cpi->svc.encode_intra_empty_frame = 0;
4607    }
4608
4609    if (cm->show_frame) {
4610      ++cpi->svc.spatial_layer_to_encode;
4611      if (cpi->svc.spatial_layer_to_encode >= cpi->svc.number_spatial_layers)
4612        cpi->svc.spatial_layer_to_encode = 0;
4613
4614      // May need the empty frame after an visible frame.
4615      cpi->svc.encode_empty_frame_state = NEED_TO_ENCODE;
4616    }
4617  } else if (is_one_pass_cbr_svc(cpi)) {
4618    if (cm->show_frame) {
4619      ++cpi->svc.spatial_layer_to_encode;
4620      if (cpi->svc.spatial_layer_to_encode >= cpi->svc.number_spatial_layers)
4621        cpi->svc.spatial_layer_to_encode = 0;
4622    }
4623  }
4624  vpx_clear_system_state();
4625  return 0;
4626}
4627
4628int vp9_get_preview_raw_frame(VP9_COMP *cpi, YV12_BUFFER_CONFIG *dest,
4629                              vp9_ppflags_t *flags) {
4630  VP9_COMMON *cm = &cpi->common;
4631#if !CONFIG_VP9_POSTPROC
4632  (void)flags;
4633#endif
4634
4635  if (!cm->show_frame) {
4636    return -1;
4637  } else {
4638    int ret;
4639#if CONFIG_VP9_POSTPROC
4640    ret = vp9_post_proc_frame(cm, dest, flags);
4641#else
4642    if (cm->frame_to_show) {
4643      *dest = *cm->frame_to_show;
4644      dest->y_width = cm->width;
4645      dest->y_height = cm->height;
4646      dest->uv_width = cm->width >> cm->subsampling_x;
4647      dest->uv_height = cm->height >> cm->subsampling_y;
4648      ret = 0;
4649    } else {
4650      ret = -1;
4651    }
4652#endif  // !CONFIG_VP9_POSTPROC
4653    vpx_clear_system_state();
4654    return ret;
4655  }
4656}
4657
4658int vp9_set_internal_size(VP9_COMP *cpi,
4659                          VPX_SCALING horiz_mode, VPX_SCALING vert_mode) {
4660  VP9_COMMON *cm = &cpi->common;
4661  int hr = 0, hs = 0, vr = 0, vs = 0;
4662
4663  if (horiz_mode > ONETWO || vert_mode > ONETWO)
4664    return -1;
4665
4666  Scale2Ratio(horiz_mode, &hr, &hs);
4667  Scale2Ratio(vert_mode, &vr, &vs);
4668
4669  // always go to the next whole number
4670  cm->width = (hs - 1 + cpi->oxcf.width * hr) / hs;
4671  cm->height = (vs - 1 + cpi->oxcf.height * vr) / vs;
4672  if (cm->current_video_frame) {
4673    assert(cm->width <= cpi->initial_width);
4674    assert(cm->height <= cpi->initial_height);
4675  }
4676
4677  update_frame_size(cpi);
4678
4679  return 0;
4680}
4681
4682int vp9_set_size_literal(VP9_COMP *cpi, unsigned int width,
4683                         unsigned int height) {
4684  VP9_COMMON *cm = &cpi->common;
4685#if CONFIG_VP9_HIGHBITDEPTH
4686  check_initial_width(cpi, cm->use_highbitdepth, 1, 1);
4687#else
4688  check_initial_width(cpi, 1, 1);
4689#endif  // CONFIG_VP9_HIGHBITDEPTH
4690
4691#if CONFIG_VP9_TEMPORAL_DENOISING
4692  setup_denoiser_buffer(cpi);
4693#endif
4694
4695  if (width) {
4696    cm->width = width;
4697    if (cm->width > cpi->initial_width) {
4698      cm->width = cpi->initial_width;
4699      printf("Warning: Desired width too large, changed to %d\n", cm->width);
4700    }
4701  }
4702
4703  if (height) {
4704    cm->height = height;
4705    if (cm->height > cpi->initial_height) {
4706      cm->height = cpi->initial_height;
4707      printf("Warning: Desired height too large, changed to %d\n", cm->height);
4708    }
4709  }
4710  assert(cm->width <= cpi->initial_width);
4711  assert(cm->height <= cpi->initial_height);
4712
4713  update_frame_size(cpi);
4714
4715  return 0;
4716}
4717
4718void vp9_set_svc(VP9_COMP *cpi, int use_svc) {
4719  cpi->use_svc = use_svc;
4720  return;
4721}
4722
4723int64_t vp9_get_y_sse(const YV12_BUFFER_CONFIG *a,
4724                      const YV12_BUFFER_CONFIG *b) {
4725  assert(a->y_crop_width == b->y_crop_width);
4726  assert(a->y_crop_height == b->y_crop_height);
4727
4728  return get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride,
4729                 a->y_crop_width, a->y_crop_height);
4730}
4731
4732#if CONFIG_VP9_HIGHBITDEPTH
4733int64_t vp9_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
4734                             const YV12_BUFFER_CONFIG *b) {
4735  assert(a->y_crop_width == b->y_crop_width);
4736  assert(a->y_crop_height == b->y_crop_height);
4737  assert((a->flags & YV12_FLAG_HIGHBITDEPTH) != 0);
4738  assert((b->flags & YV12_FLAG_HIGHBITDEPTH) != 0);
4739
4740  return highbd_get_sse(a->y_buffer, a->y_stride, b->y_buffer, b->y_stride,
4741                        a->y_crop_width, a->y_crop_height);
4742}
4743#endif  // CONFIG_VP9_HIGHBITDEPTH
4744
4745int vp9_get_quantizer(VP9_COMP *cpi) {
4746  return cpi->common.base_qindex;
4747}
4748
4749void vp9_apply_encoding_flags(VP9_COMP *cpi, vpx_enc_frame_flags_t flags) {
4750  if (flags & (VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF |
4751               VP8_EFLAG_NO_REF_ARF)) {
4752    int ref = 7;
4753
4754    if (flags & VP8_EFLAG_NO_REF_LAST)
4755      ref ^= VP9_LAST_FLAG;
4756
4757    if (flags & VP8_EFLAG_NO_REF_GF)
4758      ref ^= VP9_GOLD_FLAG;
4759
4760    if (flags & VP8_EFLAG_NO_REF_ARF)
4761      ref ^= VP9_ALT_FLAG;
4762
4763    vp9_use_as_reference(cpi, ref);
4764  }
4765
4766  if (flags & (VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
4767               VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_FORCE_GF |
4768               VP8_EFLAG_FORCE_ARF)) {
4769    int upd = 7;
4770
4771    if (flags & VP8_EFLAG_NO_UPD_LAST)
4772      upd ^= VP9_LAST_FLAG;
4773
4774    if (flags & VP8_EFLAG_NO_UPD_GF)
4775      upd ^= VP9_GOLD_FLAG;
4776
4777    if (flags & VP8_EFLAG_NO_UPD_ARF)
4778      upd ^= VP9_ALT_FLAG;
4779
4780    vp9_update_reference(cpi, upd);
4781  }
4782
4783  if (flags & VP8_EFLAG_NO_UPD_ENTROPY) {
4784    vp9_update_entropy(cpi, 0);
4785  }
4786}
4787