text: /*
   * Copyright (c) 2016, Alliance for Open Media. All rights reserved
   *
   * This source code is subject to the terms of the BSD 2 Clause License and
   * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
   * was not distributed with this source code in the LICENSE file, you can
   * obtain it at www.aomedia.org/license/software. If the Alliance for Open
   * Media Patent License 1.0 was not distributed with this source code in the
   * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
   */
  
  #include <limits.h>
  #include <math.h>
  #include <stdio.h>
  
  #include "config/aom_config.h"
  #include "config/aom_dsp_rtcd.h"
  #include "config/aom_scale_rtcd.h"
  #include "config/av1_rtcd.h"
  
  #include "aom_dsp/aom_dsp_common.h"
  #include "aom_dsp/aom_filter.h"
  #if CONFIG_DENOISE
  #include "aom_dsp/grain_table.h"
  #include "aom_dsp/noise_util.h"
  #include "aom_dsp/noise_model.h"
  #endif
  #include "aom_dsp/psnr.h"
  #if CONFIG_INTERNAL_STATS
  #include "aom_dsp/ssim.h"
  #endif
  #include "aom_ports/aom_timer.h"
  #include "aom_ports/mem.h"
  #include "aom_ports/system_state.h"
  #include "aom_scale/aom_scale.h"
  #if CONFIG_BITSTREAM_DEBUG
  #include "aom_util/debug_util.h"
  #endif  // CONFIG_BITSTREAM_DEBUG
  
  #include "av1/common/alloccommon.h"
  #include "av1/common/cdef.h"
  #include "av1/common/filter.h"
  #include "av1/common/idct.h"
  #include "av1/common/reconinter.h"
  #include "av1/common/reconintra.h"
  #include "av1/common/resize.h"
  #include "av1/common/tile_common.h"
  
  #include "av1/encoder/av1_multi_thread.h"
  #include "av1/encoder/aq_complexity.h"
  #include "av1/encoder/aq_cyclicrefresh.h"
  #include "av1/encoder/aq_variance.h"
  #include "av1/encoder/bitstream.h"
  #include "av1/encoder/context_tree.h"
  #include "av1/encoder/encodeframe.h"
  #include "av1/encoder/encodemv.h"
  #include "av1/encoder/encode_strategy.h"
  #include "av1/encoder/encoder.h"
  #include "av1/encoder/encodetxb.h"
  #include "av1/encoder/ethread.h"
  #include "av1/encoder/firstpass.h"
  #include "av1/encoder/grain_test_vectors.h"
  #include "av1/encoder/hash_motion.h"
  #include "av1/encoder/mbgraph.h"
  #include "av1/encoder/pass2_strategy.h"
  #include "av1/encoder/picklpf.h"
  #include "av1/encoder/pickrst.h"
  #include "av1/encoder/random.h"
  #include "av1/encoder/ratectrl.h"
  #include "av1/encoder/rd.h"
  #include "av1/encoder/rdopt.h"
  #include "av1/encoder/segmentation.h"
  #include "av1/encoder/speed_features.h"
  #include "av1/encoder/reconinter_enc.h"
  #include "av1/encoder/var_based_part.h"
  
  #define DEFAULT_EXPLICIT_ORDER_HINT_BITS 7
  
  #if CONFIG_ENTROPY_STATS
  FRAME_COUNTS aggregate_fc;
  #endif  // CONFIG_ENTROPY_STATS
  
  #define AM_SEGMENT_ID_INACTIVE 7
  #define AM_SEGMENT_ID_ACTIVE 0
  
  // Whether to use high precision mv for altref computation.
  #define ALTREF_HIGH_PRECISION_MV 1
  
  // Q threshold for high precision mv. Choose a very high value for now so that
  // HIGH_PRECISION is always chosen.
  #define HIGH_PRECISION_MV_QTHRESH 200
  
  // #define OUTPUT_YUV_REC
  #ifdef OUTPUT_YUV_SKINMAP
  FILE *yuv_skinmap_file = NULL;
  #endif
  #ifdef OUTPUT_YUV_REC
  FILE *yuv_rec_file;
  #define FILE_NAME_LEN 100
  #endif
  
  static INLINE void Scale2Ratio(AOM_SCALING mode, int *hr, int *hs) {
    switch (mode) {
      case NORMAL:
        *hr = 1;
        *hs = 1;
        break;
      case FOURFIVE:
        *hr = 4;
        *hs = 5;
        break;
      case THREEFIVE:
        *hr = 3;
        *hs = 5;
        break;
      case ONETWO:
        *hr = 1;
        *hs = 2;
        break;
      default:
        *hr = 1;
        *hs = 1;
        assert(0);
        break;
    }
  }
  
  // Mark all inactive blocks as active. Other segmentation features may be set
  // so memset cannot be used, instead only inactive blocks should be reset.
  static void suppress_active_map(AV1_COMP *cpi) {
    unsigned char *const seg_map = cpi->segmentation_map;
    int i;
    if (cpi->active_map.enabled || cpi->active_map.update)
      for (i = 0; i < cpi->common.mi_rows * cpi->common.mi_cols; ++i)
        if (seg_map[i] == AM_SEGMENT_ID_INACTIVE)
          seg_map[i] = AM_SEGMENT_ID_ACTIVE;
  }
  
  static void apply_active_map(AV1_COMP *cpi) {
    struct segmentation *const seg = &cpi->common.seg;
    unsigned char *const seg_map = cpi->segmentation_map;
    const unsigned char *const active_map = cpi->active_map.map;
    int i;
  
    assert(AM_SEGMENT_ID_ACTIVE == CR_SEGMENT_ID_BASE);
  
    if (frame_is_intra_only(&cpi->common)) {
      cpi->active_map.enabled = 0;
      cpi->active_map.update = 1;
    }
  
    if (cpi->active_map.update) {
      if (cpi->active_map.enabled) {
        for (i = 0; i < cpi->common.mi_rows * cpi->common.mi_cols; ++i)
          if (seg_map[i] == AM_SEGMENT_ID_ACTIVE) seg_map[i] = active_map[i];
        av1_enable_segmentation(seg);
        av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
        av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_H);
        av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_V);
        av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_U);
        av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_V);
  
        av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_H,
                        -MAX_LOOP_FILTER);
        av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_V,
                        -MAX_LOOP_FILTER);
        av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_U,
                        -MAX_LOOP_FILTER);
        av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_V,
                        -MAX_LOOP_FILTER);
      } else {
        av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
        av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_H);
        av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_V);
        av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_U);
        av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_V);
        if (seg->enabled) {
          seg->update_data = 1;
          seg->update_map = 1;
        }
      }
      cpi->active_map.update = 0;
    }
  }
  
  int av1_set_active_map(AV1_COMP *cpi, unsigned char *new_map_16x16, int rows,
                         int cols) {
    if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols) {
      unsigned char *const active_map_8x8 = cpi->active_map.map;
      const int mi_rows = cpi->common.mi_rows;
      const int mi_cols = cpi->common.mi_cols;
      const int row_scale = mi_size_high[BLOCK_16X16] == 2 ? 1 : 2;
      const int col_scale = mi_size_wide[BLOCK_16X16] == 2 ? 1 : 2;
      cpi->active_map.update = 1;
      if (new_map_16x16) {
        int r, c;
        for (r = 0; r < mi_rows; ++r) {
          for (c = 0; c < mi_cols; ++c) {
            active_map_8x8[r * mi_cols + c] =
                new_map_16x16[(r >> row_scale) * cols + (c >> col_scale)]
                    ? AM_SEGMENT_ID_ACTIVE
                    : AM_SEGMENT_ID_INACTIVE;
          }
        }
        cpi->active_map.enabled = 1;
      } else {
        cpi->active_map.enabled = 0;
      }
      return 0;
    } else {
      return -1;
    }
  }
  
  int av1_get_active_map(AV1_COMP *cpi, unsigned char *new_map_16x16, int rows,
                         int cols) {
    if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols &&
        new_map_16x16) {
      unsigned char *const seg_map_8x8 = cpi->segmentation_map;
      const int mi_rows = cpi->common.mi_rows;
      const int mi_cols = cpi->common.mi_cols;
      const int row_scale = mi_size_high[BLOCK_16X16] == 2 ? 1 : 2;
      const int col_scale = mi_size_wide[BLOCK_16X16] == 2 ? 1 : 2;
  
      memset(new_map_16x16, !cpi->active_map.enabled, rows * cols);
      if (cpi->active_map.enabled) {
        int r, c;
        for (r = 0; r < mi_rows; ++r) {
          for (c = 0; c < mi_cols; ++c) {
            // Cyclic refresh segments are considered active despite not having
            // AM_SEGMENT_ID_ACTIVE
            new_map_16x16[(r >> row_scale) * cols + (c >> col_scale)] |=
                seg_map_8x8[r * mi_cols + c] != AM_SEGMENT_ID_INACTIVE;
          }
        }
      }
      return 0;
    } else {
      return -1;
    }
  }
  
  // Compute the horizontal frequency components' energy in a frame
  // by calculuating the 16x4 Horizontal DCT. This is to be used to
  // decide the superresolution parameters.
  void analyze_hor_freq(const AV1_COMP *cpi, double *energy) {
    uint64_t freq_energy[16] = { 0 };
    const YV12_BUFFER_CONFIG *buf = cpi->source;
    const int bd = cpi->td.mb.e_mbd.bd;
    const int width = buf->y_crop_width;
    const int height = buf->y_crop_height;
    DECLARE_ALIGNED(16, int32_t, coeff[16 * 4]);
    int n = 0;
    memset(freq_energy, 0, sizeof(freq_energy));
    if (buf->flags & YV12_FLAG_HIGHBITDEPTH) {
      const int16_t *src16 = (const int16_t *)CONVERT_TO_SHORTPTR(buf->y_buffer);
      for (int i = 0; i < height - 4; i += 4) {
        for (int j = 0; j < width - 16; j += 16) {
          av1_fwd_txfm2d_16x4(src16 + i * buf->y_stride + j, coeff, buf->y_stride,
                              H_DCT, bd);
          for (int k = 1; k < 16; ++k) {
            const uint64_t this_energy =
                ((int64_t)coeff[k] * coeff[k]) +
                ((int64_t)coeff[k + 16] * coeff[k + 16]) +
                ((int64_t)coeff[k + 32] * coeff[k + 32]) +
                ((int64_t)coeff[k + 48] * coeff[k + 48]);
            freq_energy[k] += ROUND_POWER_OF_TWO(this_energy, 2 + 2 * (bd - 8));
          }
          n++;
        }
      }
    } else {
      assert(bd == 8);
      DECLARE_ALIGNED(16, int16_t, src16[16 * 4]);
      for (int i = 0; i < height - 4; i += 4) {
        for (int j = 0; j < width - 16; j += 16) {
          for (int ii = 0; ii < 4; ++ii)
            for (int jj = 0; jj < 16; ++jj)
              src16[ii * 16 + jj] =
                  buf->y_buffer[(i + ii) * buf->y_stride + (j + jj)];
          av1_fwd_txfm2d_16x4(src16, coeff, 16, H_DCT, bd);
          for (int k = 1; k < 16; ++k) {
            const uint64_t this_energy =
                ((int64_t)coeff[k] * coeff[k]) +
                ((int64_t)coeff[k + 16] * coeff[k + 16]) +
                ((int64_t)coeff[k + 32] * coeff[k + 32]) +
                ((int64_t)coeff[k + 48] * coeff[k + 48]);
            freq_energy[k] += ROUND_POWER_OF_TWO(this_energy, 2);
          }
          n++;
        }
      }
    }
    if (n) {
      for (int k = 1; k < 16; ++k) energy[k] = (double)freq_energy[k] / n;
      // Convert to cumulative energy
      for (int k = 14; k > 0; --k) energy[k] += energy[k + 1];
    } else {
      for (int k = 1; k < 16; ++k) energy[k] = 1e+20;
    }
  }
  
  static void set_high_precision_mv(AV1_COMP *cpi, int allow_high_precision_mv,
                                    int cur_frame_force_integer_mv) {
    MACROBLOCK *const mb = &cpi->td.mb;
    cpi->common.allow_high_precision_mv =
        allow_high_precision_mv && cur_frame_force_integer_mv == 0;
    const int copy_hp =
        cpi->common.allow_high_precision_mv && cur_frame_force_integer_mv == 0;
    int *(*src)[2] = copy_hp ? &mb->nmvcost_hp : &mb->nmvcost;
    mb->mv_cost_stack = *src;
  }
  
  static BLOCK_SIZE select_sb_size(const AV1_COMP *const cpi) {
    const AV1_COMMON *const cm = &cpi->common;
  
    if (cpi->oxcf.superblock_size == AOM_SUPERBLOCK_SIZE_64X64)
      return BLOCK_64X64;
  #if CONFIG_FILEOPTIONS
    if (cm->options && cm->options->ext_partition)
  #endif
      if (cpi->oxcf.superblock_size == AOM_SUPERBLOCK_SIZE_128X128)
        return BLOCK_128X128;
  
    assert(cpi->oxcf.superblock_size == AOM_SUPERBLOCK_SIZE_DYNAMIC);
  
  // TODO(any): Possibly could improve this with a heuristic.
  #if CONFIG_FILEOPTIONS
    if (cm->options && !cm->options->ext_partition) return BLOCK_64X64;
  #endif
  
    // When superres / resize is on, 'cm->width / height' can change between
    // calls, so we don't apply this heuristic there.
    // Things break if superblock size changes between the first pass and second
    // pass encoding, which is why this heuristic is not configured as a
    // speed-feature.
    if (cpi->oxcf.superres_mode == SUPERRES_NONE &&
        cpi->oxcf.resize_mode == RESIZE_NONE && cpi->oxcf.speed >= 1) {
      return AOMMIN(cm->width, cm->height) > 480 ? BLOCK_128X128 : BLOCK_64X64;
    }
  
    return BLOCK_128X128;
  }
  
  static void setup_frame(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    // Set up entropy context depending on frame type. The decoder mandates
    // the use of the default context, index 0, for keyframes and inter
    // frames where the error_resilient_mode or intra_only flag is set. For
    // other inter-frames the encoder currently uses only two contexts;
    // context 1 for ALTREF frames and context 0 for the others.
  
    if (frame_is_intra_only(cm) || cm->error_resilient_mode ||
        cpi->ext_use_primary_ref_none) {
      av1_setup_past_independence(cm);
    }
  
    if ((cm->current_frame.frame_type == KEY_FRAME && cm->show_frame) ||
        frame_is_sframe(cm)) {
      if (!cpi->seq_params_locked) {
        set_sb_size(&cm->seq_params, select_sb_size(cpi));
      }
    } else {
      const RefCntBuffer *const primary_ref_buf = get_primary_ref_frame_buf(cm);
      if (primary_ref_buf == NULL) {
        av1_setup_past_independence(cm);
        cm->seg.update_map = 1;
        cm->seg.update_data = 1;
      } else {
        *cm->fc = primary_ref_buf->frame_context;
      }
    }
  
    av1_zero(cm->cur_frame->interp_filter_selected);
    cm->prev_frame = get_primary_ref_frame_buf(cm);
    cpi->vaq_refresh = 0;
  }
  
  static void enc_setup_mi(AV1_COMMON *cm) {
    int i;
    int mi_rows_sb_aligned = calc_mi_size(cm->mi_rows);
    cm->mi = cm->mip;
    memset(cm->mip, 0, cm->mi_stride * mi_rows_sb_aligned * sizeof(*cm->mip));
    cm->prev_mi = cm->prev_mip;
    // Clear top border row
    memset(cm->prev_mip, 0, sizeof(*cm->prev_mip) * cm->mi_stride);
    // Clear left border column
    for (i = 0; i < mi_rows_sb_aligned; ++i)
      memset(&cm->prev_mip[i * cm->mi_stride], 0, sizeof(*cm->prev_mip));
    cm->mi_grid_visible = cm->mi_grid_base;
    cm->prev_mi_grid_visible = cm->prev_mi_grid_base;
  
    memset(cm->mi_grid_base, 0,
           cm->mi_stride * mi_rows_sb_aligned * sizeof(*cm->mi_grid_base));
  }
  
  static int enc_alloc_mi(AV1_COMMON *cm, int mi_size) {
    cm->mip = aom_calloc(mi_size, sizeof(*cm->mip));
    if (!cm->mip) return 1;
    cm->prev_mip = aom_calloc(mi_size, sizeof(*cm->prev_mip));
    if (!cm->prev_mip) return 1;
    cm->mi_alloc_size = mi_size;
  
    cm->mi_grid_base =
        (MB_MODE_INFO **)aom_calloc(mi_size, sizeof(MB_MODE_INFO *));
    if (!cm->mi_grid_base) return 1;
    cm->prev_mi_grid_base =
        (MB_MODE_INFO **)aom_calloc(mi_size, sizeof(MB_MODE_INFO *));
    if (!cm->prev_mi_grid_base) return 1;
  
    return 0;
  }
  
  static void enc_free_mi(AV1_COMMON *cm) {
    aom_free(cm->mip);
    cm->mip = NULL;
    aom_free(cm->prev_mip);
    cm->prev_mip = NULL;
    aom_free(cm->mi_grid_base);
    cm->mi_grid_base = NULL;
    aom_free(cm->prev_mi_grid_base);
    cm->prev_mi_grid_base = NULL;
    cm->mi_alloc_size = 0;
  }
  
  static void swap_mi_and_prev_mi(AV1_COMMON *cm) {
    // Current mip will be the prev_mip for the next frame.
    MB_MODE_INFO **temp_base = cm->prev_mi_grid_base;
    MB_MODE_INFO *temp = cm->prev_mip;
    cm->prev_mip = cm->mip;
    cm->mip = temp;
  
    // Update the upper left visible macroblock ptrs.
    cm->mi = cm->mip;
    cm->prev_mi = cm->prev_mip;
  
    cm->prev_mi_grid_base = cm->mi_grid_base;
    cm->mi_grid_base = temp_base;
    cm->mi_grid_visible = cm->mi_grid_base;
    cm->prev_mi_grid_visible = cm->prev_mi_grid_base;
  }
  
  void av1_initialize_enc(void) {
    av1_rtcd();
    aom_dsp_rtcd();
    aom_scale_rtcd();
    av1_init_intra_predictors();
    av1_init_me_luts();
    av1_rc_init_minq_luts();
    av1_init_wedge_masks();
  }
  
  static void dealloc_context_buffers_ext(AV1_COMP *cpi) {
    if (cpi->mbmi_ext_base) {
      aom_free(cpi->mbmi_ext_base);
      cpi->mbmi_ext_base = NULL;
    }
  }
  
  static void alloc_context_buffers_ext(AV1_COMP *cpi) {
    AV1_COMMON *cm = &cpi->common;
    int mi_size = cm->mi_cols * cm->mi_rows;
  
    dealloc_context_buffers_ext(cpi);
    CHECK_MEM_ERROR(cm, cpi->mbmi_ext_base,
                    aom_calloc(mi_size, sizeof(*cpi->mbmi_ext_base)));
  }
  
  static void reset_film_grain_chroma_params(aom_film_grain_t *pars) {
    pars->num_cr_points = 0;
    pars->cr_mult = 0;
    pars->cr_luma_mult = 0;
    memset(pars->scaling_points_cr, 0, sizeof(pars->scaling_points_cr));
    memset(pars->ar_coeffs_cr, 0, sizeof(pars->ar_coeffs_cr));
    pars->num_cb_points = 0;
    pars->cb_mult = 0;
    pars->cb_luma_mult = 0;
    pars->chroma_scaling_from_luma = 0;
    memset(pars->scaling_points_cb, 0, sizeof(pars->scaling_points_cb));
    memset(pars->ar_coeffs_cb, 0, sizeof(pars->ar_coeffs_cb));
  }
  
  static void update_film_grain_parameters(struct AV1_COMP *cpi,
                                           const AV1EncoderConfig *oxcf) {
    AV1_COMMON *const cm = &cpi->common;
    cpi->oxcf = *oxcf;
  
    if (cpi->film_grain_table) {
      aom_film_grain_table_free(cpi->film_grain_table);
      aom_free(cpi->film_grain_table);
      cpi->film_grain_table = NULL;
    }
  
    if (oxcf->film_grain_test_vector) {
      cm->seq_params.film_grain_params_present = 1;
      if (cm->current_frame.frame_type == KEY_FRAME) {
        memcpy(&cm->film_grain_params,
               film_grain_test_vectors + oxcf->film_grain_test_vector - 1,
               sizeof(cm->film_grain_params));
        if (oxcf->monochrome)
          reset_film_grain_chroma_params(&cm->film_grain_params);
        cm->film_grain_params.bit_depth = cm->seq_params.bit_depth;
        if (cm->seq_params.color_range == AOM_CR_FULL_RANGE) {
          cm->film_grain_params.clip_to_restricted_range = 0;
        }
      }
    } else if (oxcf->film_grain_table_filename) {
      cm->seq_params.film_grain_params_present = 1;
  
      cpi->film_grain_table = aom_malloc(sizeof(*cpi->film_grain_table));
      memset(cpi->film_grain_table, 0, sizeof(aom_film_grain_table_t));
  
      aom_film_grain_table_read(cpi->film_grain_table,
                                oxcf->film_grain_table_filename, &cm->error);
    } else {
  #if CONFIG_DENOISE
      cm->seq_params.film_grain_params_present = (cpi->oxcf.noise_level > 0);
  #else
      cm->seq_params.film_grain_params_present = 0;
  #endif
      memset(&cm->film_grain_params, 0, sizeof(cm->film_grain_params));
    }
  }
  
  static void dealloc_compressor_data(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    const int num_planes = av1_num_planes(cm);
  
    dealloc_context_buffers_ext(cpi);
  
    aom_free(cpi->tile_data);
    cpi->tile_data = NULL;
  
    // Delete sementation map
    aom_free(cpi->segmentation_map);
    cpi->segmentation_map = NULL;
  
    av1_cyclic_refresh_free(cpi->cyclic_refresh);
    cpi->cyclic_refresh = NULL;
  
    aom_free(cpi->active_map.map);
    cpi->active_map.map = NULL;
  
    aom_free(cpi->td.mb.above_pred_buf);
    cpi->td.mb.above_pred_buf = NULL;
  
    aom_free(cpi->td.mb.left_pred_buf);
    cpi->td.mb.left_pred_buf = NULL;
  
    aom_free(cpi->td.mb.wsrc_buf);
    cpi->td.mb.wsrc_buf = NULL;
  
    aom_free(cpi->td.mb.inter_modes_info);
    cpi->td.mb.inter_modes_info = NULL;
  
    for (int i = 0; i < 2; i++)
      for (int j = 0; j < 2; j++) {
        aom_free(cpi->td.mb.hash_value_buffer[i][j]);
        cpi->td.mb.hash_value_buffer[i][j] = NULL;
      }
    aom_free(cpi->td.mb.mask_buf);
    cpi->td.mb.mask_buf = NULL;
  
    aom_free(cm->tpl_mvs);
    cm->tpl_mvs = NULL;
  
    av1_free_ref_frame_buffers(cm->buffer_pool);
    av1_free_txb_buf(cpi);
    av1_free_context_buffers(cm);
  
    aom_free_frame_buffer(&cpi->last_frame_uf);
    av1_free_restoration_buffers(cm);
    aom_free_frame_buffer(&cpi->trial_frame_rst);
    aom_free_frame_buffer(&cpi->scaled_source);
    aom_free_frame_buffer(&cpi->scaled_last_source);
    aom_free_frame_buffer(&cpi->alt_ref_buffer);
    av1_lookahead_destroy(cpi->lookahead);
  
    aom_free(cpi->tile_tok[0][0]);
    cpi->tile_tok[0][0] = 0;
  
    aom_free(cpi->tplist[0][0]);
    cpi->tplist[0][0] = NULL;
  
    av1_free_pc_tree(&cpi->td, num_planes);
  
    aom_free(cpi->td.mb.palette_buffer);
  
    aom_free(cpi->td.mb.tmp_conv_dst);
    for (int j = 0; j < 2; ++j) {
      aom_free(cpi->td.mb.tmp_obmc_bufs[j]);
    }
  
  #if CONFIG_DENOISE
    if (cpi->denoise_and_model) {
      aom_denoise_and_model_free(cpi->denoise_and_model);
      cpi->denoise_and_model = NULL;
    }
  #endif
    if (cpi->film_grain_table) {
      aom_film_grain_table_free(cpi->film_grain_table);
      cpi->film_grain_table = NULL;
    }
  }
  
  static void save_coding_context(AV1_COMP *cpi) {
    CODING_CONTEXT *const cc = &cpi->coding_context;
    AV1_COMMON *cm = &cpi->common;
  
    // Stores a snapshot of key state variables which can subsequently be
    // restored with a call to av1_restore_coding_context. These functions are
    // intended for use in a re-code loop in av1_compress_frame where the
    // quantizer value is adjusted between loop iterations.
    av1_copy(cc->nmv_vec_cost, cpi->td.mb.nmv_vec_cost);
    av1_copy(cc->nmv_costs, cpi->nmv_costs);
    av1_copy(cc->nmv_costs_hp, cpi->nmv_costs_hp);
  
    cc->fc = *cm->fc;
  }
  
  static void restore_coding_context(AV1_COMP *cpi) {
    CODING_CONTEXT *const cc = &cpi->coding_context;
    AV1_COMMON *cm = &cpi->common;
  
    // Restore key state variables to the snapshot state stored in the
    // previous call to av1_save_coding_context.
    av1_copy(cpi->td.mb.nmv_vec_cost, cc->nmv_vec_cost);
    av1_copy(cpi->nmv_costs, cc->nmv_costs);
    av1_copy(cpi->nmv_costs_hp, cc->nmv_costs_hp);
  
    *cm->fc = cc->fc;
  }
  
  static void configure_static_seg_features(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    const RATE_CONTROL *const rc = &cpi->rc;
    struct segmentation *const seg = &cm->seg;
  
    int high_q = (int)(rc->avg_q > 48.0);
    int qi_delta;
  
    // Disable and clear down for KF
    if (cm->current_frame.frame_type == KEY_FRAME) {
      // Clear down the global segmentation map
      memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
      seg->update_map = 0;
      seg->update_data = 0;
      cpi->static_mb_pct = 0;
  
      // Disable segmentation
      av1_disable_segmentation(seg);
  
      // Clear down the segment features.
      av1_clearall_segfeatures(seg);
    } else if (cpi->refresh_alt_ref_frame) {
      // If this is an alt ref frame
      // Clear down the global segmentation map
      memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
      seg->update_map = 0;
      seg->update_data = 0;
      cpi->static_mb_pct = 0;
  
      // Disable segmentation and individual segment features by default
      av1_disable_segmentation(seg);
      av1_clearall_segfeatures(seg);
  
      // Scan frames from current to arf frame.
      // This function re-enables segmentation if appropriate.
      av1_update_mbgraph_stats(cpi);
  
      // If segmentation was enabled set those features needed for the
      // arf itself.
      if (seg->enabled) {
        seg->update_map = 1;
        seg->update_data = 1;
  
        qi_delta = av1_compute_qdelta(rc, rc->avg_q, rc->avg_q * 0.875,
                                      cm->seq_params.bit_depth);
        av1_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta - 2);
        av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_Y_H, -2);
        av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_Y_V, -2);
        av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_U, -2);
        av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_V, -2);
  
        av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_Y_H);
        av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_Y_V);
        av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_U);
        av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_V);
  
        av1_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
      }
    } else if (seg->enabled) {
      // All other frames if segmentation has been enabled
  
      // First normal frame in a valid gf or alt ref group
      if (rc->frames_since_golden == 0) {
        // Set up segment features for normal frames in an arf group
        if (rc->source_alt_ref_active) {
          seg->update_map = 0;
          seg->update_data = 1;
  
          qi_delta = av1_compute_qdelta(rc, rc->avg_q, rc->avg_q * 1.125,
                                        cm->seq_params.bit_depth);
          av1_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta + 2);
          av1_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
  
          av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_Y_H, -2);
          av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_Y_V, -2);
          av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_U, -2);
          av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_V, -2);
  
          av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_Y_H);
          av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_Y_V);
          av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_U);
          av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_V);
  
          // Segment coding disabled for compred testing
          if (high_q || (cpi->static_mb_pct == 100)) {
            av1_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
            av1_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME);
            av1_enable_segfeature(seg, 1, SEG_LVL_SKIP);
          }
        } else {
          // Disable segmentation and clear down features if alt ref
          // is not active for this group
  
          av1_disable_segmentation(seg);
  
          memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
  
          seg->update_map = 0;
          seg->update_data = 0;
  
          av1_clearall_segfeatures(seg);
        }
      } else if (rc->is_src_frame_alt_ref) {
        // Special case where we are coding over the top of a previous
        // alt ref frame.
        // Segment coding disabled for compred testing
  
        // Enable ref frame features for segment 0 as well
        av1_enable_segfeature(seg, 0, SEG_LVL_REF_FRAME);
        av1_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME);
  
        // All mbs should use ALTREF_FRAME
        av1_clear_segdata(seg, 0, SEG_LVL_REF_FRAME);
        av1_set_segdata(seg, 0, SEG_LVL_REF_FRAME, ALTREF_FRAME);
        av1_clear_segdata(seg, 1, SEG_LVL_REF_FRAME);
        av1_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
  
        // Skip all MBs if high Q (0,0 mv and skip coeffs)
        if (high_q) {
          av1_enable_segfeature(seg, 0, SEG_LVL_SKIP);
          av1_enable_segfeature(seg, 1, SEG_LVL_SKIP);
        }
        // Enable data update
        seg->update_data = 1;
      } else {
        // All other frames.
  
        // No updates.. leave things as they are.
        seg->update_map = 0;
        seg->update_data = 0;
      }
    }
  }
  
  static void update_reference_segmentation_map(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    MB_MODE_INFO **mi_4x4_ptr = cm->mi_grid_visible;
    uint8_t *cache_ptr = cm->cur_frame->seg_map;
    int row, col;
  
    for (row = 0; row < cm->mi_rows; row++) {
      MB_MODE_INFO **mi_4x4 = mi_4x4_ptr;
      uint8_t *cache = cache_ptr;
      for (col = 0; col < cm->mi_cols; col++, mi_4x4++, cache++)
        cache[0] = mi_4x4[0]->segment_id;
      mi_4x4_ptr += cm->mi_stride;
      cache_ptr += cm->mi_cols;
    }
  }
  
  static void alloc_raw_frame_buffers(AV1_COMP *cpi) {
    AV1_COMMON *cm = &cpi->common;
    const SequenceHeader *const seq_params = &cm->seq_params;
    const AV1EncoderConfig *oxcf = &cpi->oxcf;
  
    if (!cpi->lookahead) {
      int is_scale = (oxcf->resize_mode || oxcf->superres_mode);
      cpi->lookahead = av1_lookahead_init(
          oxcf->width, oxcf->height, seq_params->subsampling_x,
          seq_params->subsampling_y, seq_params->use_highbitdepth,
          oxcf->lag_in_frames, oxcf->border_in_pixels, is_scale);
    }
    if (!cpi->lookahead)
      aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                         "Failed to allocate lag buffers");
  
    // TODO(agrange) Check if ARF is enabled and skip allocation if not.
    if (aom_realloc_frame_buffer(
            &cpi->alt_ref_buffer, oxcf->width, oxcf->height,
            seq_params->subsampling_x, seq_params->subsampling_y,
            seq_params->use_highbitdepth, oxcf->border_in_pixels,
            cm->byte_alignment, NULL, NULL, NULL))
      aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                         "Failed to allocate altref buffer");
  }
  
  static void alloc_util_frame_buffers(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    const SequenceHeader *const seq_params = &cm->seq_params;
    if (aom_realloc_frame_buffer(
            &cpi->last_frame_uf, cm->width, cm->height, seq_params->subsampling_x,
            seq_params->subsampling_y, seq_params->use_highbitdepth,
            cpi->oxcf.border_in_pixels, cm->byte_alignment, NULL, NULL, NULL))
      aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                         "Failed to allocate last frame buffer");
  
    if (aom_realloc_frame_buffer(
            &cpi->trial_frame_rst, cm->superres_upscaled_width,
            cm->superres_upscaled_height, seq_params->subsampling_x,
            seq_params->subsampling_y, seq_params->use_highbitdepth,
            AOM_RESTORATION_FRAME_BORDER, cm->byte_alignment, NULL, NULL, NULL))
      aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                         "Failed to allocate trial restored frame buffer");
  
    if (aom_realloc_frame_buffer(
            &cpi->scaled_source, cm->width, cm->height, seq_params->subsampling_x,
            seq_params->subsampling_y, seq_params->use_highbitdepth,
            cpi->oxcf.border_in_pixels, cm->byte_alignment, NULL, NULL, NULL))
      aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                         "Failed to allocate scaled source buffer");
  
    if (aom_realloc_frame_buffer(
            &cpi->scaled_last_source, cm->width, cm->height,
            seq_params->subsampling_x, seq_params->subsampling_y,
            seq_params->use_highbitdepth, cpi->oxcf.border_in_pixels,
            cm->byte_alignment, NULL, NULL, NULL))
      aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                         "Failed to allocate scaled last source buffer");
  }
  
  static void alloc_compressor_data(AV1_COMP *cpi) {
    AV1_COMMON *cm = &cpi->common;
    const int num_planes = av1_num_planes(cm);
  
    av1_alloc_context_buffers(cm, cm->width, cm->height);
  
    int mi_rows_aligned_to_sb =
        ALIGN_POWER_OF_TWO(cm->mi_rows, cm->seq_params.mib_size_log2);
    int sb_rows = mi_rows_aligned_to_sb >> cm->seq_params.mib_size_log2;
  
    av1_alloc_txb_buf(cpi);
  
    alloc_context_buffers_ext(cpi);
  
    aom_free(cpi->tile_tok[0][0]);
  
    {
      unsigned int tokens =
          get_token_alloc(cm->mb_rows, cm->mb_cols, MAX_SB_SIZE_LOG2, num_planes);
      CHECK_MEM_ERROR(cm, cpi->tile_tok[0][0],
                      aom_calloc(tokens, sizeof(*cpi->tile_tok[0][0])));
    }
    aom_free(cpi->tplist[0][0]);
  
    CHECK_MEM_ERROR(cm, cpi->tplist[0][0],
                    aom_calloc(sb_rows * MAX_TILE_ROWS * MAX_TILE_COLS,
                               sizeof(*cpi->tplist[0][0])));
  
    av1_setup_pc_tree(&cpi->common, &cpi->td);
  }
  
  void av1_new_framerate(AV1_COMP *cpi, double framerate) {
    cpi->framerate = framerate < 0.1 ? 30 : framerate;
    av1_rc_update_framerate(cpi, cpi->common.width, cpi->common.height);
  }
  
  static void set_tile_info(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    int i, start_sb;
  
    av1_get_tile_limits(cm);
  
    // configure tile columns
    if (cpi->oxcf.tile_width_count == 0 || cpi->oxcf.tile_height_count == 0) {
      cm->uniform_tile_spacing_flag = 1;
      cm->log2_tile_cols = AOMMAX(cpi->oxcf.tile_columns, cm->min_log2_tile_cols);
      cm->log2_tile_cols = AOMMIN(cm->log2_tile_cols, cm->max_log2_tile_cols);
    } else {
      int mi_cols = ALIGN_POWER_OF_TWO(cm->mi_cols, cm->seq_params.mib_size_log2);
      int sb_cols = mi_cols >> cm->seq_params.mib_size_log2;
      int size_sb, j = 0;
      cm->uniform_tile_spacing_flag = 0;
      for (i = 0, start_sb = 0; start_sb < sb_cols && i < MAX_TILE_COLS; i++) {
        cm->tile_col_start_sb[i] = start_sb;
        size_sb = cpi->oxcf.tile_widths[j++];
        if (j >= cpi->oxcf.tile_width_count) j = 0;
        start_sb += AOMMIN(size_sb, cm->max_tile_width_sb);
      }
      cm->tile_cols = i;
      cm->tile_col_start_sb[i] = sb_cols;
    }
    av1_calculate_tile_cols(cm);
  
    // configure tile rows
    if (cm->uniform_tile_spacing_flag) {
      cm->log2_tile_rows = AOMMAX(cpi->oxcf.tile_rows, cm->min_log2_tile_rows);
      cm->log2_tile_rows = AOMMIN(cm->log2_tile_rows, cm->max_log2_tile_rows);
    } else {
      int mi_rows = ALIGN_POWER_OF_TWO(cm->mi_rows, cm->seq_params.mib_size_log2);
      int sb_rows = mi_rows >> cm->seq_params.mib_size_log2;
      int size_sb, j = 0;
      for (i = 0, start_sb = 0; start_sb < sb_rows && i < MAX_TILE_ROWS; i++) {
        cm->tile_row_start_sb[i] = start_sb;
        size_sb = cpi->oxcf.tile_heights[j++];
        if (j >= cpi->oxcf.tile_height_count) j = 0;
        start_sb += AOMMIN(size_sb, cm->max_tile_height_sb);
      }
      cm->tile_rows = i;
      cm->tile_row_start_sb[i] = sb_rows;
    }
    av1_calculate_tile_rows(cm);
  }
  
  static void update_frame_size(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
  
    av1_set_mb_mi(cm, cm->width, cm->height);
    av1_init_context_buffers(cm);
    av1_init_macroblockd(cm, xd, NULL);
    memset(cpi->mbmi_ext_base, 0,
           cm->mi_rows * cm->mi_cols * sizeof(*cpi->mbmi_ext_base));
    set_tile_info(cpi);
  }
  
  static void init_buffer_indices(AV1_COMP *cpi) {
    int fb_idx;
    for (fb_idx = 0; fb_idx < REF_FRAMES; ++fb_idx)
      cpi->common.remapped_ref_idx[fb_idx] = fb_idx;
    cpi->rate_index = 0;
    cpi->rate_size = 0;
  }
  
  static INLINE int does_level_match(int width, int height, double fps,
                                     int lvl_width, int lvl_height,
                                     double lvl_fps, int lvl_dim_mult) {
    const int64_t lvl_luma_pels = lvl_width * lvl_height;
    const double lvl_display_sample_rate = lvl_luma_pels * lvl_fps;
    const int64_t luma_pels = width * height;
    const double display_sample_rate = luma_pels * fps;
    return luma_pels <= lvl_luma_pels &&
           display_sample_rate <= lvl_display_sample_rate &&
           width <= lvl_width * lvl_dim_mult &&
           height <= lvl_height * lvl_dim_mult;
  }
  
  static void set_bitstream_level_tier(SequenceHeader *seq, AV1_COMMON *cm,
                                       const AV1EncoderConfig *oxcf) {
    // TODO(any): This is a placeholder function that only addresses dimensions
    // and max display sample rates.
    // Need to add checks for max bit rate, max decoded luma sample rate, header
    // rate, etc. that are not covered by this function.
    AV1_LEVEL level = SEQ_LEVEL_MAX;
    if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate, 512,
                         288, 30.0, 4)) {
      level = SEQ_LEVEL_2_0;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                704, 396, 30.0, 4)) {
      level = SEQ_LEVEL_2_1;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                1088, 612, 30.0, 4)) {
      level = SEQ_LEVEL_3_0;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                1376, 774, 30.0, 4)) {
      level = SEQ_LEVEL_3_1;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                2048, 1152, 30.0, 3)) {
      level = SEQ_LEVEL_4_0;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                2048, 1152, 60.0, 3)) {
      level = SEQ_LEVEL_4_1;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                4096, 2176, 30.0, 2)) {
      level = SEQ_LEVEL_5_0;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                4096, 2176, 60.0, 2)) {
      level = SEQ_LEVEL_5_1;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                4096, 2176, 120.0, 2)) {
      level = SEQ_LEVEL_5_2;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                8192, 4352, 30.0, 2)) {
      level = SEQ_LEVEL_6_0;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                8192, 4352, 60.0, 2)) {
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                8192, 4352, 120.0, 2)) {
      level = SEQ_LEVEL_6_2;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                16384, 8704, 30.0, 2)) {
      level = SEQ_LEVEL_7_0;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                16384, 8704, 60.0, 2)) {
      level = SEQ_LEVEL_7_1;
    } else if (does_level_match(oxcf->width, oxcf->height, oxcf->init_framerate,
                                16384, 8704, 120.0, 2)) {
      level = SEQ_LEVEL_7_2;
    }
    for (int i = 0; i < MAX_NUM_OPERATING_POINTS; ++i) {
      seq->seq_level_idx[i] = level;
      // Set the maximum parameters for bitrate and buffer size for this profile,
      // level, and tier
      cm->op_params[i].bitrate = av1_max_level_bitrate(
          cm->seq_params.profile, seq->seq_level_idx[i], seq->tier[i]);
      // Level with seq_level_idx = 31 returns a high "dummy" bitrate to pass the
      // check
      if (cm->op_params[i].bitrate == 0)
        aom_internal_error(
            &cm->error, AOM_CODEC_UNSUP_BITSTREAM,
            "AV1 does not support this combination of profile, level, and tier.");
      // Buffer size in bits/s is bitrate in bits/s * 1 s
      cm->op_params[i].buffer_size = cm->op_params[i].bitrate;
    }
  }
  
  static void init_seq_coding_tools(SequenceHeader *seq, AV1_COMMON *cm,
                                    const AV1EncoderConfig *oxcf) {
    seq->still_picture = (oxcf->limit == 1);
    seq->reduced_still_picture_hdr = seq->still_picture;
    seq->reduced_still_picture_hdr &= !oxcf->full_still_picture_hdr;
    seq->force_screen_content_tools = 2;
    seq->force_integer_mv = 2;
    seq->order_hint_info.enable_order_hint = oxcf->enable_order_hint;
    seq->frame_id_numbers_present_flag =
        !(seq->still_picture && seq->reduced_still_picture_hdr) &&
        !oxcf->large_scale_tile && oxcf->error_resilient_mode;
    if (seq->still_picture && seq->reduced_still_picture_hdr) {
      seq->order_hint_info.enable_order_hint = 0;
      seq->force_screen_content_tools = 2;
      seq->force_integer_mv = 2;
    }
    seq->order_hint_info.order_hint_bits_minus_1 =
        seq->order_hint_info.enable_order_hint
            ? DEFAULT_EXPLICIT_ORDER_HINT_BITS - 1
            : -1;
  
    seq->max_frame_width =
        oxcf->forced_max_frame_width ? oxcf->forced_max_frame_width : oxcf->width;
    seq->max_frame_height = oxcf->forced_max_frame_height
                                ? oxcf->forced_max_frame_height
                                : oxcf->height;
    seq->num_bits_width =
        (seq->max_frame_width > 1) ? get_msb(seq->max_frame_width - 1) + 1 : 1;
    seq->num_bits_height =
        (seq->max_frame_height > 1) ? get_msb(seq->max_frame_height - 1) + 1 : 1;
    assert(seq->num_bits_width <= 16);
    assert(seq->num_bits_height <= 16);
  
    seq->frame_id_length = FRAME_ID_LENGTH;
    seq->delta_frame_id_length = DELTA_FRAME_ID_LENGTH;
  
    seq->enable_dual_filter = oxcf->enable_dual_filter;
    seq->order_hint_info.enable_dist_wtd_comp = oxcf->enable_dist_wtd_comp;
    seq->order_hint_info.enable_dist_wtd_comp &=
        seq->order_hint_info.enable_order_hint;
    seq->order_hint_info.enable_ref_frame_mvs = oxcf->enable_ref_frame_mvs;
    seq->order_hint_info.enable_ref_frame_mvs &=
        seq->order_hint_info.enable_order_hint;
    seq->enable_superres = oxcf->enable_superres;
    seq->enable_cdef = oxcf->enable_cdef;
    seq->enable_restoration = oxcf->enable_restoration;
    seq->enable_warped_motion = oxcf->enable_warped_motion;
    seq->enable_interintra_compound = oxcf->enable_interintra_comp;
    seq->enable_masked_compound = oxcf->enable_masked_comp;
    seq->enable_intra_edge_filter = oxcf->enable_intra_edge_filter;
    seq->enable_filter_intra = oxcf->enable_filter_intra;
  
    set_bitstream_level_tier(seq, cm, oxcf);
  
    if (seq->operating_points_cnt_minus_1 == 0) {
      seq->operating_point_idc[0] = 0;
    } else {
      // Set operating_point_idc[] such that for the i-th operating point the
      // first (operating_points_cnt-i) spatial layers and the first temporal
      // layer are decoded Note that highest quality operating point should come
      // first
      for (int i = 0; i < seq->operating_points_cnt_minus_1 + 1; i++)
        seq->operating_point_idc[i] =
            (~(~0u << (seq->operating_points_cnt_minus_1 + 1 - i)) << 8) | 1;
    }
  }
  
  static void init_config(struct AV1_COMP *cpi, AV1EncoderConfig *oxcf) {
    AV1_COMMON *const cm = &cpi->common;
  
    cpi->oxcf = *oxcf;
    cpi->framerate = oxcf->init_framerate;
  
    cm->seq_params.profile = oxcf->profile;
    cm->seq_params.bit_depth = oxcf->bit_depth;
    cm->seq_params.use_highbitdepth = oxcf->use_highbitdepth;
    cm->seq_params.color_primaries = oxcf->color_primaries;
    cm->seq_params.transfer_characteristics = oxcf->transfer_characteristics;
    cm->seq_params.matrix_coefficients = oxcf->matrix_coefficients;
    cm->seq_params.monochrome = oxcf->monochrome;
    cm->seq_params.chroma_sample_position = oxcf->chroma_sample_position;
    cm->seq_params.color_range = oxcf->color_range;
    cm->timing_info_present = oxcf->timing_info_present;
    cm->timing_info.num_units_in_display_tick =
        oxcf->timing_info.num_units_in_display_tick;
    cm->timing_info.time_scale = oxcf->timing_info.time_scale;
    cm->timing_info.equal_picture_interval =
        oxcf->timing_info.equal_picture_interval;
    cm->timing_info.num_ticks_per_picture =
        oxcf->timing_info.num_ticks_per_picture;
  
    cm->seq_params.display_model_info_present_flag =
        oxcf->display_model_info_present_flag;
    cm->seq_params.decoder_model_info_present_flag =
        oxcf->decoder_model_info_present_flag;
    if (oxcf->decoder_model_info_present_flag) {
      // set the decoder model parameters in schedule mode
      cm->buffer_model.num_units_in_decoding_tick =
          oxcf->buffer_model.num_units_in_decoding_tick;
      cm->buffer_removal_time_present = 1;
      set_aom_dec_model_info(&cm->buffer_model);
      set_dec_model_op_parameters(&cm->op_params[0]);
    } else if (cm->timing_info_present &&
               cm->timing_info.equal_picture_interval &&
               !cm->seq_params.decoder_model_info_present_flag) {
      // set the decoder model parameters in resource availability mode
      set_resource_availability_parameters(&cm->op_params[0]);
    } else {
      cm->op_params[0].initial_display_delay =
          10;  // Default value (not signaled)
    }
  
    if (cm->seq_params.monochrome) {
      cm->seq_params.subsampling_x = 1;
      cm->seq_params.subsampling_y = 1;
    } else if (cm->seq_params.color_primaries == AOM_CICP_CP_BT_709 &&
               cm->seq_params.transfer_characteristics == AOM_CICP_TC_SRGB &&
               cm->seq_params.matrix_coefficients == AOM_CICP_MC_IDENTITY) {
      cm->seq_params.subsampling_x = 0;
      cm->seq_params.subsampling_y = 0;
    } else {
      if (cm->seq_params.profile == 0) {
        cm->seq_params.subsampling_x = 1;
        cm->seq_params.subsampling_y = 1;
      } else if (cm->seq_params.profile == 1) {
        cm->seq_params.subsampling_x = 0;
        cm->seq_params.subsampling_y = 0;
      } else {
        if (cm->seq_params.bit_depth == AOM_BITS_12) {
          cm->seq_params.subsampling_x = oxcf->chroma_subsampling_x;
          cm->seq_params.subsampling_y = oxcf->chroma_subsampling_y;
        } else {
          cm->seq_params.subsampling_x = 1;
          cm->seq_params.subsampling_y = 0;
        }
      }
    }
  
    cm->width = oxcf->width;
    cm->height = oxcf->height;
    set_sb_size(&cm->seq_params,
                select_sb_size(cpi));  // set sb size before allocations
    alloc_compressor_data(cpi);
  
    update_film_grain_parameters(cpi, oxcf);
  
    // Single thread case: use counts in common.
    cpi->td.counts = &cpi->counts;
  
    // change includes all joint functionality
    av1_change_config(cpi, oxcf);
  
    cpi->static_mb_pct = 0;
    cpi->ref_frame_flags = 0;
  
    // Reset resize pending flags
    cpi->resize_pending_width = 0;
    cpi->resize_pending_height = 0;
  
    init_buffer_indices(cpi);
  }
  
  static void set_rc_buffer_sizes(RATE_CONTROL *rc,
                                  const AV1EncoderConfig *oxcf) {
    const int64_t bandwidth = oxcf->target_bandwidth;
    const int64_t starting = oxcf->starting_buffer_level_ms;
    const int64_t optimal = oxcf->optimal_buffer_level_ms;
    const int64_t maximum = oxcf->maximum_buffer_size_ms;
  
    rc->starting_buffer_level = starting * bandwidth / 1000;
    rc->optimal_buffer_level =
        (optimal == 0) ? bandwidth / 8 : optimal * bandwidth / 1000;
    rc->maximum_buffer_size =
        (maximum == 0) ? bandwidth / 8 : maximum * bandwidth / 1000;
  }
  
  #define HIGHBD_BFP(BT, SDF, SDAF, VF, SVF, SVAF, SDX4DF, JSDAF, JSVAF) \
    cpi->fn_ptr[BT].sdf = SDF;                                           \
    cpi->fn_ptr[BT].sdaf = SDAF;                                         \
    cpi->fn_ptr[BT].vf = VF;                                             \
    cpi->fn_ptr[BT].svf = SVF;                                           \
    cpi->fn_ptr[BT].svaf = SVAF;                                         \
    cpi->fn_ptr[BT].sdx4df = SDX4DF;                                     \
    cpi->fn_ptr[BT].jsdaf = JSDAF;                                       \
    cpi->fn_ptr[BT].jsvaf = JSVAF;
  
  #define MAKE_BFP_SAD_WRAPPER(fnname)                                           \
    static unsigned int fnname##_bits8(const uint8_t *src_ptr,                   \
                                       int source_stride,                        \
                                       const uint8_t *ref_ptr, int ref_stride) { \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride);                \
    }                                                                            \
    static unsigned int fnname##_bits10(                                         \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr,       \
        int ref_stride) {                                                        \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride) >> 2;           \
    }                                                                            \
    static unsigned int fnname##_bits12(                                         \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr,       \
        int ref_stride) {                                                        \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride) >> 4;           \
    }
  
  #define MAKE_BFP_SADAVG_WRAPPER(fnname)                                        \
    static unsigned int fnname##_bits8(                                          \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr,       \
        int ref_stride, const uint8_t *second_pred) {                            \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride, second_pred);   \
    }                                                                            \
    static unsigned int fnname##_bits10(                                         \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr,       \
        int ref_stride, const uint8_t *second_pred) {                            \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride, second_pred) >> \
             2;                                                                  \
    }                                                                            \
    static unsigned int fnname##_bits12(                                         \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr,       \
        int ref_stride, const uint8_t *second_pred) {                            \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride, second_pred) >> \
             4;                                                                  \
    }
  
  #define MAKE_BFP_SAD4D_WRAPPER(fnname)                                        \
    static void fnname##_bits8(const uint8_t *src_ptr, int source_stride,       \
                               const uint8_t *const ref_ptr[], int ref_stride,  \
                               unsigned int *sad_array) {                       \
      fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array);           \
    }                                                                           \
    static void fnname##_bits10(const uint8_t *src_ptr, int source_stride,      \
                                const uint8_t *const ref_ptr[], int ref_stride, \
                                unsigned int *sad_array) {                      \
      int i;                                                                    \
      fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array);           \
      for (i = 0; i < 4; i++) sad_array[i] >>= 2;                               \
    }                                                                           \
    static void fnname##_bits12(const uint8_t *src_ptr, int source_stride,      \
                                const uint8_t *const ref_ptr[], int ref_stride, \
                                unsigned int *sad_array) {                      \
      int i;                                                                    \
      fnname(src_ptr, source_stride, ref_ptr, ref_stride, sad_array);           \
      for (i = 0; i < 4; i++) sad_array[i] >>= 4;                               \
    }
  
  #define MAKE_BFP_JSADAVG_WRAPPER(fnname)                                    \
    static unsigned int fnname##_bits8(                                       \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr,    \
        int ref_stride, const uint8_t *second_pred,                           \
        const DIST_WTD_COMP_PARAMS *jcp_param) {                              \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride, second_pred, \
                    jcp_param);                                               \
    }                                                                         \
    static unsigned int fnname##_bits10(                                      \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr,    \
        int ref_stride, const uint8_t *second_pred,                           \
        const DIST_WTD_COMP_PARAMS *jcp_param) {                              \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride, second_pred, \
                    jcp_param) >>                                             \
             2;                                                               \
    }                                                                         \
    static unsigned int fnname##_bits12(                                      \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr,    \
        int ref_stride, const uint8_t *second_pred,                           \
        const DIST_WTD_COMP_PARAMS *jcp_param) {                              \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride, second_pred, \
                    jcp_param) >>                                             \
             4;                                                               \
    }
  
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad128x128)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad128x128_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad128x128x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad128x64)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad128x64_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad128x64x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad64x128)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad64x128_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad64x128x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad32x16)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad32x16_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad32x16x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad16x32)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad16x32_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad16x32x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad64x32)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad64x32_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad64x32x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad32x64)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad32x64_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad32x64x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad32x32)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad32x32_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad32x32x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad64x64)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad64x64_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad64x64x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad16x16)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad16x16_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad16x16x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad16x8)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad16x8_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad16x8x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad8x16)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad8x16_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad8x16x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad8x8)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad8x8_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad8x8x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad8x4)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad8x4_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad8x4x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad4x8)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad4x8_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad4x8x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad4x4)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad4x4_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad4x4x4d)
  
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad4x16)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad4x16_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad4x16x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad16x4)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad16x4_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad16x4x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad8x32)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad8x32_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad8x32x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad32x8)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad32x8_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad32x8x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad16x64)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad16x64_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad16x64x4d)
  MAKE_BFP_SAD_WRAPPER(aom_highbd_sad64x16)
  MAKE_BFP_SADAVG_WRAPPER(aom_highbd_sad64x16_avg)
  MAKE_BFP_SAD4D_WRAPPER(aom_highbd_sad64x16x4d)
  
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad128x128_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad128x64_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad64x128_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad32x16_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad16x32_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad64x32_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad32x64_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad32x32_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad64x64_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad16x16_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad16x8_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad8x16_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad8x8_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad8x4_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad4x8_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad4x4_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad4x16_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad16x4_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad8x32_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad32x8_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad16x64_avg)
  MAKE_BFP_JSADAVG_WRAPPER(aom_highbd_dist_wtd_sad64x16_avg)
  
  #define HIGHBD_MBFP(BT, MCSDF, MCSVF) \
    cpi->fn_ptr[BT].msdf = MCSDF;       \
    cpi->fn_ptr[BT].msvf = MCSVF;
  
  #define MAKE_MBFP_COMPOUND_SAD_WRAPPER(fnname)                           \
    static unsigned int fnname##_bits8(                                    \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, \
        int ref_stride, const uint8_t *second_pred_ptr, const uint8_t *m,  \
        int m_stride, int invert_mask) {                                   \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride,           \
                    second_pred_ptr, m, m_stride, invert_mask);            \
    }                                                                      \
    static unsigned int fnname##_bits10(                                   \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, \
        int ref_stride, const uint8_t *second_pred_ptr, const uint8_t *m,  \
        int m_stride, int invert_mask) {                                   \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride,           \
                    second_pred_ptr, m, m_stride, invert_mask) >>          \
             2;                                                            \
    }                                                                      \
    static unsigned int fnname##_bits12(                                   \
        const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, \
        int ref_stride, const uint8_t *second_pred_ptr, const uint8_t *m,  \
        int m_stride, int invert_mask) {                                   \
      return fnname(src_ptr, source_stride, ref_ptr, ref_stride,           \
                    second_pred_ptr, m, m_stride, invert_mask) >>          \
             4;                                                            \
    }
  
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad128x128)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad128x64)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad64x128)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad64x64)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad64x32)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad32x64)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad32x32)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad32x16)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad16x32)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad16x16)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad16x8)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad8x16)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad8x8)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad8x4)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad4x8)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad4x4)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad4x16)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad16x4)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad8x32)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad32x8)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad16x64)
  MAKE_MBFP_COMPOUND_SAD_WRAPPER(aom_highbd_masked_sad64x16)
  
  #define HIGHBD_OBFP(BT, OSDF, OVF, OSVF) \
    cpi->fn_ptr[BT].osdf = OSDF;           \
    cpi->fn_ptr[BT].ovf = OVF;             \
    cpi->fn_ptr[BT].osvf = OSVF;
  
  #define MAKE_OBFP_SAD_WRAPPER(fnname)                                     \
    static unsigned int fnname##_bits8(const uint8_t *ref, int ref_stride,  \
                                       const int32_t *wsrc,                 \
                                       const int32_t *msk) {                \
      return fnname(ref, ref_stride, wsrc, msk);                            \
    }                                                                       \
    static unsigned int fnname##_bits10(const uint8_t *ref, int ref_stride, \
                                        const int32_t *wsrc,                \
                                        const int32_t *msk) {               \
      return fnname(ref, ref_stride, wsrc, msk) >> 2;                       \
    }                                                                       \
    static unsigned int fnname##_bits12(const uint8_t *ref, int ref_stride, \
                                        const int32_t *wsrc,                \
                                        const int32_t *msk) {               \
      return fnname(ref, ref_stride, wsrc, msk) >> 4;                       \
    }
  
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad128x128)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad128x64)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad64x128)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad64x64)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad64x32)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad32x64)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad32x32)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad32x16)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad16x32)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad16x16)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad16x8)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad8x16)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad8x8)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad8x4)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad4x8)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad4x4)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad4x16)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad16x4)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad8x32)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad32x8)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad16x64)
  MAKE_OBFP_SAD_WRAPPER(aom_highbd_obmc_sad64x16)
  
  static void highbd_set_var_fns(AV1_COMP *const cpi) {
    AV1_COMMON *const cm = &cpi->common;
    if (cm->seq_params.use_highbitdepth) {
      switch (cm->seq_params.bit_depth) {
        case AOM_BITS_8:
          HIGHBD_BFP(BLOCK_64X16, aom_highbd_sad64x16_bits8,
                     aom_highbd_sad64x16_avg_bits8, aom_highbd_8_variance64x16,
                     aom_highbd_8_sub_pixel_variance64x16,
                     aom_highbd_8_sub_pixel_avg_variance64x16,
                     aom_highbd_sad64x16x4d_bits8,
                     aom_highbd_dist_wtd_sad64x16_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance64x16)
  
          HIGHBD_BFP(BLOCK_16X64, aom_highbd_sad16x64_bits8,
                     aom_highbd_sad16x64_avg_bits8, aom_highbd_8_variance16x64,
                     aom_highbd_8_sub_pixel_variance16x64,
                     aom_highbd_8_sub_pixel_avg_variance16x64,
                     aom_highbd_sad16x64x4d_bits8,
                     aom_highbd_dist_wtd_sad16x64_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance16x64)
  
          HIGHBD_BFP(
              BLOCK_32X8, aom_highbd_sad32x8_bits8, aom_highbd_sad32x8_avg_bits8,
              aom_highbd_8_variance32x8, aom_highbd_8_sub_pixel_variance32x8,
              aom_highbd_8_sub_pixel_avg_variance32x8,
              aom_highbd_sad32x8x4d_bits8, aom_highbd_dist_wtd_sad32x8_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance32x8)
  
          HIGHBD_BFP(
              BLOCK_8X32, aom_highbd_sad8x32_bits8, aom_highbd_sad8x32_avg_bits8,
              aom_highbd_8_variance8x32, aom_highbd_8_sub_pixel_variance8x32,
              aom_highbd_8_sub_pixel_avg_variance8x32,
              aom_highbd_sad8x32x4d_bits8, aom_highbd_dist_wtd_sad8x32_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance8x32)
  
          HIGHBD_BFP(
              BLOCK_16X4, aom_highbd_sad16x4_bits8, aom_highbd_sad16x4_avg_bits8,
              aom_highbd_8_variance16x4, aom_highbd_8_sub_pixel_variance16x4,
              aom_highbd_8_sub_pixel_avg_variance16x4,
              aom_highbd_sad16x4x4d_bits8, aom_highbd_dist_wtd_sad16x4_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance16x4)
  
          HIGHBD_BFP(
              BLOCK_4X16, aom_highbd_sad4x16_bits8, aom_highbd_sad4x16_avg_bits8,
              aom_highbd_8_variance4x16, aom_highbd_8_sub_pixel_variance4x16,
              aom_highbd_8_sub_pixel_avg_variance4x16,
              aom_highbd_sad4x16x4d_bits8, aom_highbd_dist_wtd_sad4x16_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance4x16)
  
          HIGHBD_BFP(BLOCK_32X16, aom_highbd_sad32x16_bits8,
                     aom_highbd_sad32x16_avg_bits8, aom_highbd_8_variance32x16,
                     aom_highbd_8_sub_pixel_variance32x16,
                     aom_highbd_8_sub_pixel_avg_variance32x16,
                     aom_highbd_sad32x16x4d_bits8,
                     aom_highbd_dist_wtd_sad32x16_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance32x16)
  
          HIGHBD_BFP(BLOCK_16X32, aom_highbd_sad16x32_bits8,
                     aom_highbd_sad16x32_avg_bits8, aom_highbd_8_variance16x32,
                     aom_highbd_8_sub_pixel_variance16x32,
                     aom_highbd_8_sub_pixel_avg_variance16x32,
                     aom_highbd_sad16x32x4d_bits8,
                     aom_highbd_dist_wtd_sad16x32_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance16x32)
  
          HIGHBD_BFP(BLOCK_64X32, aom_highbd_sad64x32_bits8,
                     aom_highbd_sad64x32_avg_bits8, aom_highbd_8_variance64x32,
                     aom_highbd_8_sub_pixel_variance64x32,
                     aom_highbd_8_sub_pixel_avg_variance64x32,
                     aom_highbd_sad64x32x4d_bits8,
                     aom_highbd_dist_wtd_sad64x32_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance64x32)
  
          HIGHBD_BFP(BLOCK_32X64, aom_highbd_sad32x64_bits8,
                     aom_highbd_sad32x64_avg_bits8, aom_highbd_8_variance32x64,
                     aom_highbd_8_sub_pixel_variance32x64,
                     aom_highbd_8_sub_pixel_avg_variance32x64,
                     aom_highbd_sad32x64x4d_bits8,
                     aom_highbd_dist_wtd_sad32x64_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance32x64)
  
          HIGHBD_BFP(BLOCK_32X32, aom_highbd_sad32x32_bits8,
                     aom_highbd_sad32x32_avg_bits8, aom_highbd_8_variance32x32,
                     aom_highbd_8_sub_pixel_variance32x32,
                     aom_highbd_8_sub_pixel_avg_variance32x32,
                     aom_highbd_sad32x32x4d_bits8,
                     aom_highbd_dist_wtd_sad32x32_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance32x32)
  
          HIGHBD_BFP(BLOCK_64X64, aom_highbd_sad64x64_bits8,
                     aom_highbd_sad64x64_avg_bits8, aom_highbd_8_variance64x64,
                     aom_highbd_8_sub_pixel_variance64x64,
                     aom_highbd_8_sub_pixel_avg_variance64x64,
                     aom_highbd_sad64x64x4d_bits8,
                     aom_highbd_dist_wtd_sad64x64_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance64x64)
  
          HIGHBD_BFP(BLOCK_16X16, aom_highbd_sad16x16_bits8,
                     aom_highbd_sad16x16_avg_bits8, aom_highbd_8_variance16x16,
                     aom_highbd_8_sub_pixel_variance16x16,
                     aom_highbd_8_sub_pixel_avg_variance16x16,
                     aom_highbd_sad16x16x4d_bits8,
                     aom_highbd_dist_wtd_sad16x16_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance16x16)
  
          HIGHBD_BFP(
              BLOCK_16X8, aom_highbd_sad16x8_bits8, aom_highbd_sad16x8_avg_bits8,
              aom_highbd_8_variance16x8, aom_highbd_8_sub_pixel_variance16x8,
              aom_highbd_8_sub_pixel_avg_variance16x8,
              aom_highbd_sad16x8x4d_bits8, aom_highbd_dist_wtd_sad16x8_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance16x8)
  
          HIGHBD_BFP(
              BLOCK_8X16, aom_highbd_sad8x16_bits8, aom_highbd_sad8x16_avg_bits8,
              aom_highbd_8_variance8x16, aom_highbd_8_sub_pixel_variance8x16,
              aom_highbd_8_sub_pixel_avg_variance8x16,
              aom_highbd_sad8x16x4d_bits8, aom_highbd_dist_wtd_sad8x16_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance8x16)
  
          HIGHBD_BFP(
              BLOCK_8X8, aom_highbd_sad8x8_bits8, aom_highbd_sad8x8_avg_bits8,
              aom_highbd_8_variance8x8, aom_highbd_8_sub_pixel_variance8x8,
              aom_highbd_8_sub_pixel_avg_variance8x8, aom_highbd_sad8x8x4d_bits8,
              aom_highbd_dist_wtd_sad8x8_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance8x8)
  
          HIGHBD_BFP(
              BLOCK_8X4, aom_highbd_sad8x4_bits8, aom_highbd_sad8x4_avg_bits8,
              aom_highbd_8_variance8x4, aom_highbd_8_sub_pixel_variance8x4,
              aom_highbd_8_sub_pixel_avg_variance8x4, aom_highbd_sad8x4x4d_bits8,
              aom_highbd_dist_wtd_sad8x4_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance8x4)
  
          HIGHBD_BFP(
              BLOCK_4X8, aom_highbd_sad4x8_bits8, aom_highbd_sad4x8_avg_bits8,
              aom_highbd_8_variance4x8, aom_highbd_8_sub_pixel_variance4x8,
              aom_highbd_8_sub_pixel_avg_variance4x8, aom_highbd_sad4x8x4d_bits8,
              aom_highbd_dist_wtd_sad4x8_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance4x8)
  
          HIGHBD_BFP(
              BLOCK_4X4, aom_highbd_sad4x4_bits8, aom_highbd_sad4x4_avg_bits8,
              aom_highbd_8_variance4x4, aom_highbd_8_sub_pixel_variance4x4,
              aom_highbd_8_sub_pixel_avg_variance4x4, aom_highbd_sad4x4x4d_bits8,
              aom_highbd_dist_wtd_sad4x4_avg_bits8,
              aom_highbd_8_dist_wtd_sub_pixel_avg_variance4x4)
  
          HIGHBD_BFP(BLOCK_128X128, aom_highbd_sad128x128_bits8,
                     aom_highbd_sad128x128_avg_bits8,
                     aom_highbd_8_variance128x128,
                     aom_highbd_8_sub_pixel_variance128x128,
                     aom_highbd_8_sub_pixel_avg_variance128x128,
                     aom_highbd_sad128x128x4d_bits8,
                     aom_highbd_dist_wtd_sad128x128_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance128x128)
  
          HIGHBD_BFP(BLOCK_128X64, aom_highbd_sad128x64_bits8,
                     aom_highbd_sad128x64_avg_bits8, aom_highbd_8_variance128x64,
                     aom_highbd_8_sub_pixel_variance128x64,
                     aom_highbd_8_sub_pixel_avg_variance128x64,
                     aom_highbd_sad128x64x4d_bits8,
                     aom_highbd_dist_wtd_sad128x64_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance128x64)
  
          HIGHBD_BFP(BLOCK_64X128, aom_highbd_sad64x128_bits8,
                     aom_highbd_sad64x128_avg_bits8, aom_highbd_8_variance64x128,
                     aom_highbd_8_sub_pixel_variance64x128,
                     aom_highbd_8_sub_pixel_avg_variance64x128,
                     aom_highbd_sad64x128x4d_bits8,
                     aom_highbd_dist_wtd_sad64x128_avg_bits8,
                     aom_highbd_8_dist_wtd_sub_pixel_avg_variance64x128)
  
          HIGHBD_MBFP(BLOCK_128X128, aom_highbd_masked_sad128x128_bits8,
                      aom_highbd_8_masked_sub_pixel_variance128x128)
          HIGHBD_MBFP(BLOCK_128X64, aom_highbd_masked_sad128x64_bits8,
                      aom_highbd_8_masked_sub_pixel_variance128x64)
          HIGHBD_MBFP(BLOCK_64X128, aom_highbd_masked_sad64x128_bits8,
                      aom_highbd_8_masked_sub_pixel_variance64x128)
          HIGHBD_MBFP(BLOCK_64X64, aom_highbd_masked_sad64x64_bits8,
                      aom_highbd_8_masked_sub_pixel_variance64x64)
          HIGHBD_MBFP(BLOCK_64X32, aom_highbd_masked_sad64x32_bits8,
                      aom_highbd_8_masked_sub_pixel_variance64x32)
          HIGHBD_MBFP(BLOCK_32X64, aom_highbd_masked_sad32x64_bits8,
                      aom_highbd_8_masked_sub_pixel_variance32x64)
          HIGHBD_MBFP(BLOCK_32X32, aom_highbd_masked_sad32x32_bits8,
                      aom_highbd_8_masked_sub_pixel_variance32x32)
          HIGHBD_MBFP(BLOCK_32X16, aom_highbd_masked_sad32x16_bits8,
                      aom_highbd_8_masked_sub_pixel_variance32x16)
          HIGHBD_MBFP(BLOCK_16X32, aom_highbd_masked_sad16x32_bits8,
                      aom_highbd_8_masked_sub_pixel_variance16x32)
          HIGHBD_MBFP(BLOCK_16X16, aom_highbd_masked_sad16x16_bits8,
                      aom_highbd_8_masked_sub_pixel_variance16x16)
          HIGHBD_MBFP(BLOCK_8X16, aom_highbd_masked_sad8x16_bits8,
                      aom_highbd_8_masked_sub_pixel_variance8x16)
          HIGHBD_MBFP(BLOCK_16X8, aom_highbd_masked_sad16x8_bits8,
                      aom_highbd_8_masked_sub_pixel_variance16x8)
          HIGHBD_MBFP(BLOCK_8X8, aom_highbd_masked_sad8x8_bits8,
                      aom_highbd_8_masked_sub_pixel_variance8x8)
          HIGHBD_MBFP(BLOCK_4X8, aom_highbd_masked_sad4x8_bits8,
                      aom_highbd_8_masked_sub_pixel_variance4x8)
          HIGHBD_MBFP(BLOCK_8X4, aom_highbd_masked_sad8x4_bits8,
                      aom_highbd_8_masked_sub_pixel_variance8x4)
          HIGHBD_MBFP(BLOCK_4X4, aom_highbd_masked_sad4x4_bits8,
                      aom_highbd_8_masked_sub_pixel_variance4x4)
          HIGHBD_MBFP(BLOCK_64X16, aom_highbd_masked_sad64x16_bits8,
                      aom_highbd_8_masked_sub_pixel_variance64x16)
          HIGHBD_MBFP(BLOCK_16X64, aom_highbd_masked_sad16x64_bits8,
                      aom_highbd_8_masked_sub_pixel_variance16x64)
          HIGHBD_MBFP(BLOCK_32X8, aom_highbd_masked_sad32x8_bits8,
                      aom_highbd_8_masked_sub_pixel_variance32x8)
          HIGHBD_MBFP(BLOCK_8X32, aom_highbd_masked_sad8x32_bits8,
                      aom_highbd_8_masked_sub_pixel_variance8x32)
          HIGHBD_MBFP(BLOCK_16X4, aom_highbd_masked_sad16x4_bits8,
                      aom_highbd_8_masked_sub_pixel_variance16x4)
          HIGHBD_MBFP(BLOCK_4X16, aom_highbd_masked_sad4x16_bits8,
                      aom_highbd_8_masked_sub_pixel_variance4x16)
          HIGHBD_OBFP(BLOCK_128X128, aom_highbd_obmc_sad128x128_bits8,
                      aom_highbd_obmc_variance128x128,
                      aom_highbd_obmc_sub_pixel_variance128x128)
          HIGHBD_OBFP(BLOCK_128X64, aom_highbd_obmc_sad128x64_bits8,
                      aom_highbd_obmc_variance128x64,
                      aom_highbd_obmc_sub_pixel_variance128x64)
          HIGHBD_OBFP(BLOCK_64X128, aom_highbd_obmc_sad64x128_bits8,
                      aom_highbd_obmc_variance64x128,
                      aom_highbd_obmc_sub_pixel_variance64x128)
          HIGHBD_OBFP(BLOCK_64X64, aom_highbd_obmc_sad64x64_bits8,
                      aom_highbd_obmc_variance64x64,
                      aom_highbd_obmc_sub_pixel_variance64x64)
          HIGHBD_OBFP(BLOCK_64X32, aom_highbd_obmc_sad64x32_bits8,
                      aom_highbd_obmc_variance64x32,
                      aom_highbd_obmc_sub_pixel_variance64x32)
          HIGHBD_OBFP(BLOCK_32X64, aom_highbd_obmc_sad32x64_bits8,
                      aom_highbd_obmc_variance32x64,
                      aom_highbd_obmc_sub_pixel_variance32x64)
          HIGHBD_OBFP(BLOCK_32X32, aom_highbd_obmc_sad32x32_bits8,
                      aom_highbd_obmc_variance32x32,
                      aom_highbd_obmc_sub_pixel_variance32x32)
          HIGHBD_OBFP(BLOCK_32X16, aom_highbd_obmc_sad32x16_bits8,
                      aom_highbd_obmc_variance32x16,
                      aom_highbd_obmc_sub_pixel_variance32x16)
          HIGHBD_OBFP(BLOCK_16X32, aom_highbd_obmc_sad16x32_bits8,
                      aom_highbd_obmc_variance16x32,
                      aom_highbd_obmc_sub_pixel_variance16x32)
          HIGHBD_OBFP(BLOCK_16X16, aom_highbd_obmc_sad16x16_bits8,
                      aom_highbd_obmc_variance16x16,
                      aom_highbd_obmc_sub_pixel_variance16x16)
          HIGHBD_OBFP(BLOCK_8X16, aom_highbd_obmc_sad8x16_bits8,
                      aom_highbd_obmc_variance8x16,
                      aom_highbd_obmc_sub_pixel_variance8x16)
          HIGHBD_OBFP(BLOCK_16X8, aom_highbd_obmc_sad16x8_bits8,
                      aom_highbd_obmc_variance16x8,
                      aom_highbd_obmc_sub_pixel_variance16x8)
          HIGHBD_OBFP(BLOCK_8X8, aom_highbd_obmc_sad8x8_bits8,
                      aom_highbd_obmc_variance8x8,
                      aom_highbd_obmc_sub_pixel_variance8x8)
          HIGHBD_OBFP(BLOCK_4X8, aom_highbd_obmc_sad4x8_bits8,
                      aom_highbd_obmc_variance4x8,
                      aom_highbd_obmc_sub_pixel_variance4x8)
          HIGHBD_OBFP(BLOCK_8X4, aom_highbd_obmc_sad8x4_bits8,
                      aom_highbd_obmc_variance8x4,
                      aom_highbd_obmc_sub_pixel_variance8x4)
          HIGHBD_OBFP(BLOCK_4X4, aom_highbd_obmc_sad4x4_bits8,
                      aom_highbd_obmc_variance4x4,
                      aom_highbd_obmc_sub_pixel_variance4x4)
          HIGHBD_OBFP(BLOCK_64X16, aom_highbd_obmc_sad64x16_bits8,
                      aom_highbd_obmc_variance64x16,
                      aom_highbd_obmc_sub_pixel_variance64x16)
          HIGHBD_OBFP(BLOCK_16X64, aom_highbd_obmc_sad16x64_bits8,
                      aom_highbd_obmc_variance16x64,
                      aom_highbd_obmc_sub_pixel_variance16x64)
          HIGHBD_OBFP(BLOCK_32X8, aom_highbd_obmc_sad32x8_bits8,
                      aom_highbd_obmc_variance32x8,
                      aom_highbd_obmc_sub_pixel_variance32x8)
          HIGHBD_OBFP(BLOCK_8X32, aom_highbd_obmc_sad8x32_bits8,
                      aom_highbd_obmc_variance8x32,
                      aom_highbd_obmc_sub_pixel_variance8x32)
          HIGHBD_OBFP(BLOCK_16X4, aom_highbd_obmc_sad16x4_bits8,
                      aom_highbd_obmc_variance16x4,
                      aom_highbd_obmc_sub_pixel_variance16x4)
          HIGHBD_OBFP(BLOCK_4X16, aom_highbd_obmc_sad4x16_bits8,
                      aom_highbd_obmc_variance4x16,
                      aom_highbd_obmc_sub_pixel_variance4x16)
          break;
  
        case AOM_BITS_10:
          HIGHBD_BFP(BLOCK_64X16, aom_highbd_sad64x16_bits10,
                     aom_highbd_sad64x16_avg_bits10, aom_highbd_10_variance64x16,
                     aom_highbd_10_sub_pixel_variance64x16,
                     aom_highbd_10_sub_pixel_avg_variance64x16,
                     aom_highbd_sad64x16x4d_bits10,
                     aom_highbd_dist_wtd_sad64x16_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance64x16);
  
          HIGHBD_BFP(BLOCK_16X64, aom_highbd_sad16x64_bits10,
                     aom_highbd_sad16x64_avg_bits10, aom_highbd_10_variance16x64,
                     aom_highbd_10_sub_pixel_variance16x64,
                     aom_highbd_10_sub_pixel_avg_variance16x64,
                     aom_highbd_sad16x64x4d_bits10,
                     aom_highbd_dist_wtd_sad16x64_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance16x64);
  
          HIGHBD_BFP(BLOCK_32X8, aom_highbd_sad32x8_bits10,
                     aom_highbd_sad32x8_avg_bits10, aom_highbd_10_variance32x8,
                     aom_highbd_10_sub_pixel_variance32x8,
                     aom_highbd_10_sub_pixel_avg_variance32x8,
                     aom_highbd_sad32x8x4d_bits10,
                     aom_highbd_dist_wtd_sad32x8_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance32x8);
  
          HIGHBD_BFP(BLOCK_8X32, aom_highbd_sad8x32_bits10,
                     aom_highbd_sad8x32_avg_bits10, aom_highbd_10_variance8x32,
                     aom_highbd_10_sub_pixel_variance8x32,
                     aom_highbd_10_sub_pixel_avg_variance8x32,
                     aom_highbd_sad8x32x4d_bits10,
                     aom_highbd_dist_wtd_sad8x32_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance8x32);
  
          HIGHBD_BFP(BLOCK_16X4, aom_highbd_sad16x4_bits10,
                     aom_highbd_sad16x4_avg_bits10, aom_highbd_10_variance16x4,
                     aom_highbd_10_sub_pixel_variance16x4,
                     aom_highbd_10_sub_pixel_avg_variance16x4,
                     aom_highbd_sad16x4x4d_bits10,
                     aom_highbd_dist_wtd_sad16x4_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance16x4);
  
          HIGHBD_BFP(BLOCK_4X16, aom_highbd_sad4x16_bits10,
                     aom_highbd_sad4x16_avg_bits10, aom_highbd_10_variance4x16,
                     aom_highbd_10_sub_pixel_variance4x16,
                     aom_highbd_10_sub_pixel_avg_variance4x16,
                     aom_highbd_sad4x16x4d_bits10,
                     aom_highbd_dist_wtd_sad4x16_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance4x16);
  
          HIGHBD_BFP(BLOCK_32X16, aom_highbd_sad32x16_bits10,
                     aom_highbd_sad32x16_avg_bits10, aom_highbd_10_variance32x16,
                     aom_highbd_10_sub_pixel_variance32x16,
                     aom_highbd_10_sub_pixel_avg_variance32x16,
                     aom_highbd_sad32x16x4d_bits10,
                     aom_highbd_dist_wtd_sad32x16_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance32x16);
  
          HIGHBD_BFP(BLOCK_16X32, aom_highbd_sad16x32_bits10,
                     aom_highbd_sad16x32_avg_bits10, aom_highbd_10_variance16x32,
                     aom_highbd_10_sub_pixel_variance16x32,
                     aom_highbd_10_sub_pixel_avg_variance16x32,
                     aom_highbd_sad16x32x4d_bits10,
                     aom_highbd_dist_wtd_sad16x32_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance16x32);
  
          HIGHBD_BFP(BLOCK_64X32, aom_highbd_sad64x32_bits10,
                     aom_highbd_sad64x32_avg_bits10, aom_highbd_10_variance64x32,
                     aom_highbd_10_sub_pixel_variance64x32,
                     aom_highbd_10_sub_pixel_avg_variance64x32,
                     aom_highbd_sad64x32x4d_bits10,
                     aom_highbd_dist_wtd_sad64x32_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance64x32);
  
          HIGHBD_BFP(BLOCK_32X64, aom_highbd_sad32x64_bits10,
                     aom_highbd_sad32x64_avg_bits10, aom_highbd_10_variance32x64,
                     aom_highbd_10_sub_pixel_variance32x64,
                     aom_highbd_10_sub_pixel_avg_variance32x64,
                     aom_highbd_sad32x64x4d_bits10,
                     aom_highbd_dist_wtd_sad32x64_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance32x64);
  
          HIGHBD_BFP(BLOCK_32X32, aom_highbd_sad32x32_bits10,
                     aom_highbd_sad32x32_avg_bits10, aom_highbd_10_variance32x32,
                     aom_highbd_10_sub_pixel_variance32x32,
                     aom_highbd_10_sub_pixel_avg_variance32x32,
                     aom_highbd_sad32x32x4d_bits10,
                     aom_highbd_dist_wtd_sad32x32_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance32x32);
  
          HIGHBD_BFP(BLOCK_64X64, aom_highbd_sad64x64_bits10,
                     aom_highbd_sad64x64_avg_bits10, aom_highbd_10_variance64x64,
                     aom_highbd_10_sub_pixel_variance64x64,
                     aom_highbd_10_sub_pixel_avg_variance64x64,
                     aom_highbd_sad64x64x4d_bits10,
                     aom_highbd_dist_wtd_sad64x64_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance64x64);
  
          HIGHBD_BFP(BLOCK_16X16, aom_highbd_sad16x16_bits10,
                     aom_highbd_sad16x16_avg_bits10, aom_highbd_10_variance16x16,
                     aom_highbd_10_sub_pixel_variance16x16,
                     aom_highbd_10_sub_pixel_avg_variance16x16,
                     aom_highbd_sad16x16x4d_bits10,
                     aom_highbd_dist_wtd_sad16x16_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance16x16);
  
          HIGHBD_BFP(BLOCK_16X8, aom_highbd_sad16x8_bits10,
                     aom_highbd_sad16x8_avg_bits10, aom_highbd_10_variance16x8,
                     aom_highbd_10_sub_pixel_variance16x8,
                     aom_highbd_10_sub_pixel_avg_variance16x8,
                     aom_highbd_sad16x8x4d_bits10,
                     aom_highbd_dist_wtd_sad16x8_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance16x8);
  
          HIGHBD_BFP(BLOCK_8X16, aom_highbd_sad8x16_bits10,
                     aom_highbd_sad8x16_avg_bits10, aom_highbd_10_variance8x16,
                     aom_highbd_10_sub_pixel_variance8x16,
                     aom_highbd_10_sub_pixel_avg_variance8x16,
                     aom_highbd_sad8x16x4d_bits10,
                     aom_highbd_dist_wtd_sad8x16_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance8x16);
  
          HIGHBD_BFP(
              BLOCK_8X8, aom_highbd_sad8x8_bits10, aom_highbd_sad8x8_avg_bits10,
              aom_highbd_10_variance8x8, aom_highbd_10_sub_pixel_variance8x8,
              aom_highbd_10_sub_pixel_avg_variance8x8,
              aom_highbd_sad8x8x4d_bits10, aom_highbd_dist_wtd_sad8x8_avg_bits10,
              aom_highbd_10_dist_wtd_sub_pixel_avg_variance8x8);
  
          HIGHBD_BFP(
              BLOCK_8X4, aom_highbd_sad8x4_bits10, aom_highbd_sad8x4_avg_bits10,
              aom_highbd_10_variance8x4, aom_highbd_10_sub_pixel_variance8x4,
              aom_highbd_10_sub_pixel_avg_variance8x4,
              aom_highbd_sad8x4x4d_bits10, aom_highbd_dist_wtd_sad8x4_avg_bits10,
              aom_highbd_10_dist_wtd_sub_pixel_avg_variance8x4);
  
          HIGHBD_BFP(
              BLOCK_4X8, aom_highbd_sad4x8_bits10, aom_highbd_sad4x8_avg_bits10,
              aom_highbd_10_variance4x8, aom_highbd_10_sub_pixel_variance4x8,
              aom_highbd_10_sub_pixel_avg_variance4x8,
              aom_highbd_sad4x8x4d_bits10, aom_highbd_dist_wtd_sad4x8_avg_bits10,
              aom_highbd_10_dist_wtd_sub_pixel_avg_variance4x8);
  
          HIGHBD_BFP(
              BLOCK_4X4, aom_highbd_sad4x4_bits10, aom_highbd_sad4x4_avg_bits10,
              aom_highbd_10_variance4x4, aom_highbd_10_sub_pixel_variance4x4,
              aom_highbd_10_sub_pixel_avg_variance4x4,
              aom_highbd_sad4x4x4d_bits10, aom_highbd_dist_wtd_sad4x4_avg_bits10,
              aom_highbd_10_dist_wtd_sub_pixel_avg_variance4x4);
  
          HIGHBD_BFP(BLOCK_128X128, aom_highbd_sad128x128_bits10,
                     aom_highbd_sad128x128_avg_bits10,
                     aom_highbd_10_variance128x128,
                     aom_highbd_10_sub_pixel_variance128x128,
                     aom_highbd_10_sub_pixel_avg_variance128x128,
                     aom_highbd_sad128x128x4d_bits10,
                     aom_highbd_dist_wtd_sad128x128_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance128x128);
  
          HIGHBD_BFP(BLOCK_128X64, aom_highbd_sad128x64_bits10,
                     aom_highbd_sad128x64_avg_bits10,
                     aom_highbd_10_variance128x64,
                     aom_highbd_10_sub_pixel_variance128x64,
                     aom_highbd_10_sub_pixel_avg_variance128x64,
                     aom_highbd_sad128x64x4d_bits10,
                     aom_highbd_dist_wtd_sad128x64_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance128x64);
  
          HIGHBD_BFP(BLOCK_64X128, aom_highbd_sad64x128_bits10,
                     aom_highbd_sad64x128_avg_bits10,
                     aom_highbd_10_variance64x128,
                     aom_highbd_10_sub_pixel_variance64x128,
                     aom_highbd_10_sub_pixel_avg_variance64x128,
                     aom_highbd_sad64x128x4d_bits10,
                     aom_highbd_dist_wtd_sad64x128_avg_bits10,
                     aom_highbd_10_dist_wtd_sub_pixel_avg_variance64x128);
  
          HIGHBD_MBFP(BLOCK_128X128, aom_highbd_masked_sad128x128_bits10,
                      aom_highbd_10_masked_sub_pixel_variance128x128)
          HIGHBD_MBFP(BLOCK_128X64, aom_highbd_masked_sad128x64_bits10,
                      aom_highbd_10_masked_sub_pixel_variance128x64)
          HIGHBD_MBFP(BLOCK_64X128, aom_highbd_masked_sad64x128_bits10,
                      aom_highbd_10_masked_sub_pixel_variance64x128)
          HIGHBD_MBFP(BLOCK_64X64, aom_highbd_masked_sad64x64_bits10,
                      aom_highbd_10_masked_sub_pixel_variance64x64)
          HIGHBD_MBFP(BLOCK_64X32, aom_highbd_masked_sad64x32_bits10,
                      aom_highbd_10_masked_sub_pixel_variance64x32)
          HIGHBD_MBFP(BLOCK_32X64, aom_highbd_masked_sad32x64_bits10,
                      aom_highbd_10_masked_sub_pixel_variance32x64)
          HIGHBD_MBFP(BLOCK_32X32, aom_highbd_masked_sad32x32_bits10,
                      aom_highbd_10_masked_sub_pixel_variance32x32)
          HIGHBD_MBFP(BLOCK_32X16, aom_highbd_masked_sad32x16_bits10,
                      aom_highbd_10_masked_sub_pixel_variance32x16)
          HIGHBD_MBFP(BLOCK_16X32, aom_highbd_masked_sad16x32_bits10,
                      aom_highbd_10_masked_sub_pixel_variance16x32)
          HIGHBD_MBFP(BLOCK_16X16, aom_highbd_masked_sad16x16_bits10,
                      aom_highbd_10_masked_sub_pixel_variance16x16)
          HIGHBD_MBFP(BLOCK_8X16, aom_highbd_masked_sad8x16_bits10,
                      aom_highbd_10_masked_sub_pixel_variance8x16)
          HIGHBD_MBFP(BLOCK_16X8, aom_highbd_masked_sad16x8_bits10,
                      aom_highbd_10_masked_sub_pixel_variance16x8)
          HIGHBD_MBFP(BLOCK_8X8, aom_highbd_masked_sad8x8_bits10,
                      aom_highbd_10_masked_sub_pixel_variance8x8)
          HIGHBD_MBFP(BLOCK_4X8, aom_highbd_masked_sad4x8_bits10,
                      aom_highbd_10_masked_sub_pixel_variance4x8)
          HIGHBD_MBFP(BLOCK_8X4, aom_highbd_masked_sad8x4_bits10,
                      aom_highbd_10_masked_sub_pixel_variance8x4)
          HIGHBD_MBFP(BLOCK_4X4, aom_highbd_masked_sad4x4_bits10,
                      aom_highbd_10_masked_sub_pixel_variance4x4)
          HIGHBD_MBFP(BLOCK_64X16, aom_highbd_masked_sad64x16_bits10,
                      aom_highbd_10_masked_sub_pixel_variance64x16)
          HIGHBD_MBFP(BLOCK_16X64, aom_highbd_masked_sad16x64_bits10,
                      aom_highbd_10_masked_sub_pixel_variance16x64)
          HIGHBD_MBFP(BLOCK_32X8, aom_highbd_masked_sad32x8_bits10,
                      aom_highbd_10_masked_sub_pixel_variance32x8)
          HIGHBD_MBFP(BLOCK_8X32, aom_highbd_masked_sad8x32_bits10,
                      aom_highbd_10_masked_sub_pixel_variance8x32)
          HIGHBD_MBFP(BLOCK_16X4, aom_highbd_masked_sad16x4_bits10,
                      aom_highbd_10_masked_sub_pixel_variance16x4)
          HIGHBD_MBFP(BLOCK_4X16, aom_highbd_masked_sad4x16_bits10,
                      aom_highbd_10_masked_sub_pixel_variance4x16)
          HIGHBD_OBFP(BLOCK_128X128, aom_highbd_obmc_sad128x128_bits10,
                      aom_highbd_10_obmc_variance128x128,
                      aom_highbd_10_obmc_sub_pixel_variance128x128)
          HIGHBD_OBFP(BLOCK_128X64, aom_highbd_obmc_sad128x64_bits10,
                      aom_highbd_10_obmc_variance128x64,
                      aom_highbd_10_obmc_sub_pixel_variance128x64)
          HIGHBD_OBFP(BLOCK_64X128, aom_highbd_obmc_sad64x128_bits10,
                      aom_highbd_10_obmc_variance64x128,
                      aom_highbd_10_obmc_sub_pixel_variance64x128)
          HIGHBD_OBFP(BLOCK_64X64, aom_highbd_obmc_sad64x64_bits10,
                      aom_highbd_10_obmc_variance64x64,
                      aom_highbd_10_obmc_sub_pixel_variance64x64)
          HIGHBD_OBFP(BLOCK_64X32, aom_highbd_obmc_sad64x32_bits10,
                      aom_highbd_10_obmc_variance64x32,
                      aom_highbd_10_obmc_sub_pixel_variance64x32)
          HIGHBD_OBFP(BLOCK_32X64, aom_highbd_obmc_sad32x64_bits10,
                      aom_highbd_10_obmc_variance32x64,
                      aom_highbd_10_obmc_sub_pixel_variance32x64)
          HIGHBD_OBFP(BLOCK_32X32, aom_highbd_obmc_sad32x32_bits10,
                      aom_highbd_10_obmc_variance32x32,
                      aom_highbd_10_obmc_sub_pixel_variance32x32)
          HIGHBD_OBFP(BLOCK_32X16, aom_highbd_obmc_sad32x16_bits10,
                      aom_highbd_10_obmc_variance32x16,
                      aom_highbd_10_obmc_sub_pixel_variance32x16)
          HIGHBD_OBFP(BLOCK_16X32, aom_highbd_obmc_sad16x32_bits10,
                      aom_highbd_10_obmc_variance16x32,
                      aom_highbd_10_obmc_sub_pixel_variance16x32)
          HIGHBD_OBFP(BLOCK_16X16, aom_highbd_obmc_sad16x16_bits10,
                      aom_highbd_10_obmc_variance16x16,
                      aom_highbd_10_obmc_sub_pixel_variance16x16)
          HIGHBD_OBFP(BLOCK_8X16, aom_highbd_obmc_sad8x16_bits10,
                      aom_highbd_10_obmc_variance8x16,
                      aom_highbd_10_obmc_sub_pixel_variance8x16)
          HIGHBD_OBFP(BLOCK_16X8, aom_highbd_obmc_sad16x8_bits10,
                      aom_highbd_10_obmc_variance16x8,
                      aom_highbd_10_obmc_sub_pixel_variance16x8)
          HIGHBD_OBFP(BLOCK_8X8, aom_highbd_obmc_sad8x8_bits10,
                      aom_highbd_10_obmc_variance8x8,
                      aom_highbd_10_obmc_sub_pixel_variance8x8)
          HIGHBD_OBFP(BLOCK_4X8, aom_highbd_obmc_sad4x8_bits10,
                      aom_highbd_10_obmc_variance4x8,
                      aom_highbd_10_obmc_sub_pixel_variance4x8)
          HIGHBD_OBFP(BLOCK_8X4, aom_highbd_obmc_sad8x4_bits10,
                      aom_highbd_10_obmc_variance8x4,
                      aom_highbd_10_obmc_sub_pixel_variance8x4)
          HIGHBD_OBFP(BLOCK_4X4, aom_highbd_obmc_sad4x4_bits10,
                      aom_highbd_10_obmc_variance4x4,
                      aom_highbd_10_obmc_sub_pixel_variance4x4)
  
          HIGHBD_OBFP(BLOCK_64X16, aom_highbd_obmc_sad64x16_bits10,
                      aom_highbd_10_obmc_variance64x16,
                      aom_highbd_10_obmc_sub_pixel_variance64x16)
  
          HIGHBD_OBFP(BLOCK_16X64, aom_highbd_obmc_sad16x64_bits10,
                      aom_highbd_10_obmc_variance16x64,
                      aom_highbd_10_obmc_sub_pixel_variance16x64)
  
          HIGHBD_OBFP(BLOCK_32X8, aom_highbd_obmc_sad32x8_bits10,
                      aom_highbd_10_obmc_variance32x8,
                      aom_highbd_10_obmc_sub_pixel_variance32x8)
  
          HIGHBD_OBFP(BLOCK_8X32, aom_highbd_obmc_sad8x32_bits10,
                      aom_highbd_10_obmc_variance8x32,
                      aom_highbd_10_obmc_sub_pixel_variance8x32)
  
          HIGHBD_OBFP(BLOCK_16X4, aom_highbd_obmc_sad16x4_bits10,
                      aom_highbd_10_obmc_variance16x4,
                      aom_highbd_10_obmc_sub_pixel_variance16x4)
  
          HIGHBD_OBFP(BLOCK_4X16, aom_highbd_obmc_sad4x16_bits10,
                      aom_highbd_10_obmc_variance4x16,
                      aom_highbd_10_obmc_sub_pixel_variance4x16)
          break;
  
        case AOM_BITS_12:
          HIGHBD_BFP(BLOCK_64X16, aom_highbd_sad64x16_bits12,
                     aom_highbd_sad64x16_avg_bits12, aom_highbd_12_variance64x16,
                     aom_highbd_12_sub_pixel_variance64x16,
                     aom_highbd_12_sub_pixel_avg_variance64x16,
                     aom_highbd_sad64x16x4d_bits12,
                     aom_highbd_dist_wtd_sad64x16_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance64x16);
  
          HIGHBD_BFP(BLOCK_16X64, aom_highbd_sad16x64_bits12,
                     aom_highbd_sad16x64_avg_bits12, aom_highbd_12_variance16x64,
                     aom_highbd_12_sub_pixel_variance16x64,
                     aom_highbd_12_sub_pixel_avg_variance16x64,
                     aom_highbd_sad16x64x4d_bits12,
                     aom_highbd_dist_wtd_sad16x64_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance16x64);
  
          HIGHBD_BFP(BLOCK_32X8, aom_highbd_sad32x8_bits12,
                     aom_highbd_sad32x8_avg_bits12, aom_highbd_12_variance32x8,
                     aom_highbd_12_sub_pixel_variance32x8,
                     aom_highbd_12_sub_pixel_avg_variance32x8,
                     aom_highbd_sad32x8x4d_bits12,
                     aom_highbd_dist_wtd_sad32x8_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance32x8);
  
          HIGHBD_BFP(BLOCK_8X32, aom_highbd_sad8x32_bits12,
                     aom_highbd_sad8x32_avg_bits12, aom_highbd_12_variance8x32,
                     aom_highbd_12_sub_pixel_variance8x32,
                     aom_highbd_12_sub_pixel_avg_variance8x32,
                     aom_highbd_sad8x32x4d_bits12,
                     aom_highbd_dist_wtd_sad8x32_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance8x32);
  
          HIGHBD_BFP(BLOCK_16X4, aom_highbd_sad16x4_bits12,
                     aom_highbd_sad16x4_avg_bits12, aom_highbd_12_variance16x4,
                     aom_highbd_12_sub_pixel_variance16x4,
                     aom_highbd_12_sub_pixel_avg_variance16x4,
                     aom_highbd_sad16x4x4d_bits12,
                     aom_highbd_dist_wtd_sad16x4_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance16x4);
  
          HIGHBD_BFP(BLOCK_4X16, aom_highbd_sad4x16_bits12,
                     aom_highbd_sad4x16_avg_bits12, aom_highbd_12_variance4x16,
                     aom_highbd_12_sub_pixel_variance4x16,
                     aom_highbd_12_sub_pixel_avg_variance4x16,
                     aom_highbd_sad4x16x4d_bits12,
                     aom_highbd_dist_wtd_sad4x16_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance4x16);
  
          HIGHBD_BFP(BLOCK_32X16, aom_highbd_sad32x16_bits12,
                     aom_highbd_sad32x16_avg_bits12, aom_highbd_12_variance32x16,
                     aom_highbd_12_sub_pixel_variance32x16,
                     aom_highbd_12_sub_pixel_avg_variance32x16,
                     aom_highbd_sad32x16x4d_bits12,
                     aom_highbd_dist_wtd_sad32x16_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance32x16);
  
          HIGHBD_BFP(BLOCK_16X32, aom_highbd_sad16x32_bits12,
                     aom_highbd_sad16x32_avg_bits12, aom_highbd_12_variance16x32,
                     aom_highbd_12_sub_pixel_variance16x32,
                     aom_highbd_12_sub_pixel_avg_variance16x32,
                     aom_highbd_sad16x32x4d_bits12,
                     aom_highbd_dist_wtd_sad16x32_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance16x32);
  
          HIGHBD_BFP(BLOCK_64X32, aom_highbd_sad64x32_bits12,
                     aom_highbd_sad64x32_avg_bits12, aom_highbd_12_variance64x32,
                     aom_highbd_12_sub_pixel_variance64x32,
                     aom_highbd_12_sub_pixel_avg_variance64x32,
                     aom_highbd_sad64x32x4d_bits12,
                     aom_highbd_dist_wtd_sad64x32_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance64x32);
  
          HIGHBD_BFP(BLOCK_32X64, aom_highbd_sad32x64_bits12,
                     aom_highbd_sad32x64_avg_bits12, aom_highbd_12_variance32x64,
                     aom_highbd_12_sub_pixel_variance32x64,
                     aom_highbd_12_sub_pixel_avg_variance32x64,
                     aom_highbd_sad32x64x4d_bits12,
                     aom_highbd_dist_wtd_sad32x64_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance32x64);
  
          HIGHBD_BFP(BLOCK_32X32, aom_highbd_sad32x32_bits12,
                     aom_highbd_sad32x32_avg_bits12, aom_highbd_12_variance32x32,
                     aom_highbd_12_sub_pixel_variance32x32,
                     aom_highbd_12_sub_pixel_avg_variance32x32,
                     aom_highbd_sad32x32x4d_bits12,
                     aom_highbd_dist_wtd_sad32x32_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance32x32);
  
          HIGHBD_BFP(BLOCK_64X64, aom_highbd_sad64x64_bits12,
                     aom_highbd_sad64x64_avg_bits12, aom_highbd_12_variance64x64,
                     aom_highbd_12_sub_pixel_variance64x64,
                     aom_highbd_12_sub_pixel_avg_variance64x64,
                     aom_highbd_sad64x64x4d_bits12,
                     aom_highbd_dist_wtd_sad64x64_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance64x64);
  
          HIGHBD_BFP(BLOCK_16X16, aom_highbd_sad16x16_bits12,
                     aom_highbd_sad16x16_avg_bits12, aom_highbd_12_variance16x16,
                     aom_highbd_12_sub_pixel_variance16x16,
                     aom_highbd_12_sub_pixel_avg_variance16x16,
                     aom_highbd_sad16x16x4d_bits12,
                     aom_highbd_dist_wtd_sad16x16_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance16x16);
  
          HIGHBD_BFP(BLOCK_16X8, aom_highbd_sad16x8_bits12,
                     aom_highbd_sad16x8_avg_bits12, aom_highbd_12_variance16x8,
                     aom_highbd_12_sub_pixel_variance16x8,
                     aom_highbd_12_sub_pixel_avg_variance16x8,
                     aom_highbd_sad16x8x4d_bits12,
                     aom_highbd_dist_wtd_sad16x8_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance16x8);
  
          HIGHBD_BFP(BLOCK_8X16, aom_highbd_sad8x16_bits12,
                     aom_highbd_sad8x16_avg_bits12, aom_highbd_12_variance8x16,
                     aom_highbd_12_sub_pixel_variance8x16,
                     aom_highbd_12_sub_pixel_avg_variance8x16,
                     aom_highbd_sad8x16x4d_bits12,
                     aom_highbd_dist_wtd_sad8x16_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance8x16);
  
          HIGHBD_BFP(
              BLOCK_8X8, aom_highbd_sad8x8_bits12, aom_highbd_sad8x8_avg_bits12,
              aom_highbd_12_variance8x8, aom_highbd_12_sub_pixel_variance8x8,
              aom_highbd_12_sub_pixel_avg_variance8x8,
              aom_highbd_sad8x8x4d_bits12, aom_highbd_dist_wtd_sad8x8_avg_bits12,
              aom_highbd_12_dist_wtd_sub_pixel_avg_variance8x8);
  
          HIGHBD_BFP(
              BLOCK_8X4, aom_highbd_sad8x4_bits12, aom_highbd_sad8x4_avg_bits12,
              aom_highbd_12_variance8x4, aom_highbd_12_sub_pixel_variance8x4,
              aom_highbd_12_sub_pixel_avg_variance8x4,
              aom_highbd_sad8x4x4d_bits12, aom_highbd_dist_wtd_sad8x4_avg_bits12,
              aom_highbd_12_dist_wtd_sub_pixel_avg_variance8x4);
  
          HIGHBD_BFP(
              BLOCK_4X8, aom_highbd_sad4x8_bits12, aom_highbd_sad4x8_avg_bits12,
              aom_highbd_12_variance4x8, aom_highbd_12_sub_pixel_variance4x8,
              aom_highbd_12_sub_pixel_avg_variance4x8,
              aom_highbd_sad4x8x4d_bits12, aom_highbd_dist_wtd_sad4x8_avg_bits12,
              aom_highbd_12_dist_wtd_sub_pixel_avg_variance4x8);
  
          HIGHBD_BFP(
              BLOCK_4X4, aom_highbd_sad4x4_bits12, aom_highbd_sad4x4_avg_bits12,
              aom_highbd_12_variance4x4, aom_highbd_12_sub_pixel_variance4x4,
              aom_highbd_12_sub_pixel_avg_variance4x4,
              aom_highbd_sad4x4x4d_bits12, aom_highbd_dist_wtd_sad4x4_avg_bits12,
              aom_highbd_12_dist_wtd_sub_pixel_avg_variance4x4);
  
          HIGHBD_BFP(BLOCK_128X128, aom_highbd_sad128x128_bits12,
                     aom_highbd_sad128x128_avg_bits12,
                     aom_highbd_12_variance128x128,
                     aom_highbd_12_sub_pixel_variance128x128,
                     aom_highbd_12_sub_pixel_avg_variance128x128,
                     aom_highbd_sad128x128x4d_bits12,
                     aom_highbd_dist_wtd_sad128x128_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance128x128);
  
          HIGHBD_BFP(BLOCK_128X64, aom_highbd_sad128x64_bits12,
                     aom_highbd_sad128x64_avg_bits12,
                     aom_highbd_12_variance128x64,
                     aom_highbd_12_sub_pixel_variance128x64,
                     aom_highbd_12_sub_pixel_avg_variance128x64,
                     aom_highbd_sad128x64x4d_bits12,
                     aom_highbd_dist_wtd_sad128x64_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance128x64);
  
          HIGHBD_BFP(BLOCK_64X128, aom_highbd_sad64x128_bits12,
                     aom_highbd_sad64x128_avg_bits12,
                     aom_highbd_12_variance64x128,
                     aom_highbd_12_sub_pixel_variance64x128,
                     aom_highbd_12_sub_pixel_avg_variance64x128,
                     aom_highbd_sad64x128x4d_bits12,
                     aom_highbd_dist_wtd_sad64x128_avg_bits12,
                     aom_highbd_12_dist_wtd_sub_pixel_avg_variance64x128);
  
          HIGHBD_MBFP(BLOCK_128X128, aom_highbd_masked_sad128x128_bits12,
                      aom_highbd_12_masked_sub_pixel_variance128x128)
          HIGHBD_MBFP(BLOCK_128X64, aom_highbd_masked_sad128x64_bits12,
                      aom_highbd_12_masked_sub_pixel_variance128x64)
          HIGHBD_MBFP(BLOCK_64X128, aom_highbd_masked_sad64x128_bits12,
                      aom_highbd_12_masked_sub_pixel_variance64x128)
          HIGHBD_MBFP(BLOCK_64X64, aom_highbd_masked_sad64x64_bits12,
                      aom_highbd_12_masked_sub_pixel_variance64x64)
          HIGHBD_MBFP(BLOCK_64X32, aom_highbd_masked_sad64x32_bits12,
                      aom_highbd_12_masked_sub_pixel_variance64x32)
          HIGHBD_MBFP(BLOCK_32X64, aom_highbd_masked_sad32x64_bits12,
                      aom_highbd_12_masked_sub_pixel_variance32x64)
          HIGHBD_MBFP(BLOCK_32X32, aom_highbd_masked_sad32x32_bits12,
                      aom_highbd_12_masked_sub_pixel_variance32x32)
          HIGHBD_MBFP(BLOCK_32X16, aom_highbd_masked_sad32x16_bits12,
                      aom_highbd_12_masked_sub_pixel_variance32x16)
          HIGHBD_MBFP(BLOCK_16X32, aom_highbd_masked_sad16x32_bits12,
                      aom_highbd_12_masked_sub_pixel_variance16x32)
          HIGHBD_MBFP(BLOCK_16X16, aom_highbd_masked_sad16x16_bits12,
                      aom_highbd_12_masked_sub_pixel_variance16x16)
          HIGHBD_MBFP(BLOCK_8X16, aom_highbd_masked_sad8x16_bits12,
                      aom_highbd_12_masked_sub_pixel_variance8x16)
          HIGHBD_MBFP(BLOCK_16X8, aom_highbd_masked_sad16x8_bits12,
                      aom_highbd_12_masked_sub_pixel_variance16x8)
          HIGHBD_MBFP(BLOCK_8X8, aom_highbd_masked_sad8x8_bits12,
                      aom_highbd_12_masked_sub_pixel_variance8x8)
          HIGHBD_MBFP(BLOCK_4X8, aom_highbd_masked_sad4x8_bits12,
                      aom_highbd_12_masked_sub_pixel_variance4x8)
          HIGHBD_MBFP(BLOCK_8X4, aom_highbd_masked_sad8x4_bits12,
                      aom_highbd_12_masked_sub_pixel_variance8x4)
          HIGHBD_MBFP(BLOCK_4X4, aom_highbd_masked_sad4x4_bits12,
                      aom_highbd_12_masked_sub_pixel_variance4x4)
          HIGHBD_MBFP(BLOCK_64X16, aom_highbd_masked_sad64x16_bits12,
                      aom_highbd_12_masked_sub_pixel_variance64x16)
          HIGHBD_MBFP(BLOCK_16X64, aom_highbd_masked_sad16x64_bits12,
                      aom_highbd_12_masked_sub_pixel_variance16x64)
          HIGHBD_MBFP(BLOCK_32X8, aom_highbd_masked_sad32x8_bits12,
                      aom_highbd_12_masked_sub_pixel_variance32x8)
          HIGHBD_MBFP(BLOCK_8X32, aom_highbd_masked_sad8x32_bits12,
                      aom_highbd_12_masked_sub_pixel_variance8x32)
          HIGHBD_MBFP(BLOCK_16X4, aom_highbd_masked_sad16x4_bits12,
                      aom_highbd_12_masked_sub_pixel_variance16x4)
          HIGHBD_MBFP(BLOCK_4X16, aom_highbd_masked_sad4x16_bits12,
                      aom_highbd_12_masked_sub_pixel_variance4x16)
          HIGHBD_OBFP(BLOCK_128X128, aom_highbd_obmc_sad128x128_bits12,
                      aom_highbd_12_obmc_variance128x128,
                      aom_highbd_12_obmc_sub_pixel_variance128x128)
          HIGHBD_OBFP(BLOCK_128X64, aom_highbd_obmc_sad128x64_bits12,
                      aom_highbd_12_obmc_variance128x64,
                      aom_highbd_12_obmc_sub_pixel_variance128x64)
          HIGHBD_OBFP(BLOCK_64X128, aom_highbd_obmc_sad64x128_bits12,
                      aom_highbd_12_obmc_variance64x128,
                      aom_highbd_12_obmc_sub_pixel_variance64x128)
          HIGHBD_OBFP(BLOCK_64X64, aom_highbd_obmc_sad64x64_bits12,
                      aom_highbd_12_obmc_variance64x64,
                      aom_highbd_12_obmc_sub_pixel_variance64x64)
          HIGHBD_OBFP(BLOCK_64X32, aom_highbd_obmc_sad64x32_bits12,
                      aom_highbd_12_obmc_variance64x32,
                      aom_highbd_12_obmc_sub_pixel_variance64x32)
          HIGHBD_OBFP(BLOCK_32X64, aom_highbd_obmc_sad32x64_bits12,
                      aom_highbd_12_obmc_variance32x64,
                      aom_highbd_12_obmc_sub_pixel_variance32x64)
          HIGHBD_OBFP(BLOCK_32X32, aom_highbd_obmc_sad32x32_bits12,
                      aom_highbd_12_obmc_variance32x32,
                      aom_highbd_12_obmc_sub_pixel_variance32x32)
          HIGHBD_OBFP(BLOCK_32X16, aom_highbd_obmc_sad32x16_bits12,
                      aom_highbd_12_obmc_variance32x16,
                      aom_highbd_12_obmc_sub_pixel_variance32x16)
          HIGHBD_OBFP(BLOCK_16X32, aom_highbd_obmc_sad16x32_bits12,
                      aom_highbd_12_obmc_variance16x32,
                      aom_highbd_12_obmc_sub_pixel_variance16x32)
          HIGHBD_OBFP(BLOCK_16X16, aom_highbd_obmc_sad16x16_bits12,
                      aom_highbd_12_obmc_variance16x16,
                      aom_highbd_12_obmc_sub_pixel_variance16x16)
          HIGHBD_OBFP(BLOCK_8X16, aom_highbd_obmc_sad8x16_bits12,
                      aom_highbd_12_obmc_variance8x16,
                      aom_highbd_12_obmc_sub_pixel_variance8x16)
          HIGHBD_OBFP(BLOCK_16X8, aom_highbd_obmc_sad16x8_bits12,
                      aom_highbd_12_obmc_variance16x8,
                      aom_highbd_12_obmc_sub_pixel_variance16x8)
          HIGHBD_OBFP(BLOCK_8X8, aom_highbd_obmc_sad8x8_bits12,
                      aom_highbd_12_obmc_variance8x8,
                      aom_highbd_12_obmc_sub_pixel_variance8x8)
          HIGHBD_OBFP(BLOCK_4X8, aom_highbd_obmc_sad4x8_bits12,
                      aom_highbd_12_obmc_variance4x8,
                      aom_highbd_12_obmc_sub_pixel_variance4x8)
          HIGHBD_OBFP(BLOCK_8X4, aom_highbd_obmc_sad8x4_bits12,
                      aom_highbd_12_obmc_variance8x4,
                      aom_highbd_12_obmc_sub_pixel_variance8x4)
          HIGHBD_OBFP(BLOCK_4X4, aom_highbd_obmc_sad4x4_bits12,
                      aom_highbd_12_obmc_variance4x4,
                      aom_highbd_12_obmc_sub_pixel_variance4x4)
          HIGHBD_OBFP(BLOCK_64X16, aom_highbd_obmc_sad64x16_bits12,
                      aom_highbd_12_obmc_variance64x16,
                      aom_highbd_12_obmc_sub_pixel_variance64x16)
          HIGHBD_OBFP(BLOCK_16X64, aom_highbd_obmc_sad16x64_bits12,
                      aom_highbd_12_obmc_variance16x64,
                      aom_highbd_12_obmc_sub_pixel_variance16x64)
          HIGHBD_OBFP(BLOCK_32X8, aom_highbd_obmc_sad32x8_bits12,
                      aom_highbd_12_obmc_variance32x8,
                      aom_highbd_12_obmc_sub_pixel_variance32x8)
          HIGHBD_OBFP(BLOCK_8X32, aom_highbd_obmc_sad8x32_bits12,
                      aom_highbd_12_obmc_variance8x32,
                      aom_highbd_12_obmc_sub_pixel_variance8x32)
          HIGHBD_OBFP(BLOCK_16X4, aom_highbd_obmc_sad16x4_bits12,
                      aom_highbd_12_obmc_variance16x4,
                      aom_highbd_12_obmc_sub_pixel_variance16x4)
          HIGHBD_OBFP(BLOCK_4X16, aom_highbd_obmc_sad4x16_bits12,
                      aom_highbd_12_obmc_variance4x16,
                      aom_highbd_12_obmc_sub_pixel_variance4x16)
          break;
  
        default:
          assert(0 &&
                 "cm->seq_params.bit_depth should be AOM_BITS_8, "
                 "AOM_BITS_10 or AOM_BITS_12");
      }
    }
  }
  
  static void realloc_segmentation_maps(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
  
    // Create the encoder segmentation map and set all entries to 0
    aom_free(cpi->segmentation_map);
    CHECK_MEM_ERROR(cm, cpi->segmentation_map,
                    aom_calloc(cm->mi_rows * cm->mi_cols, 1));
  
    // Create a map used for cyclic background refresh.
    if (cpi->cyclic_refresh) av1_cyclic_refresh_free(cpi->cyclic_refresh);
    CHECK_MEM_ERROR(cm, cpi->cyclic_refresh,
                    av1_cyclic_refresh_alloc(cm->mi_rows, cm->mi_cols));
  
    // Create a map used to mark inactive areas.
    aom_free(cpi->active_map.map);
    CHECK_MEM_ERROR(cm, cpi->active_map.map,
                    aom_calloc(cm->mi_rows * cm->mi_cols, 1));
  }
  
  void av1_change_config(struct AV1_COMP *cpi, const AV1EncoderConfig *oxcf) {
    AV1_COMMON *const cm = &cpi->common;
    SequenceHeader *const seq_params = &cm->seq_params;
    const int num_planes = av1_num_planes(cm);
    RATE_CONTROL *const rc = &cpi->rc;
    MACROBLOCK *const x = &cpi->td.mb;
  
    if (seq_params->profile != oxcf->profile) seq_params->profile = oxcf->profile;
    seq_params->bit_depth = oxcf->bit_depth;
    seq_params->color_primaries = oxcf->color_primaries;
    seq_params->transfer_characteristics = oxcf->transfer_characteristics;
    seq_params->matrix_coefficients = oxcf->matrix_coefficients;
    seq_params->monochrome = oxcf->monochrome;
    seq_params->chroma_sample_position = oxcf->chroma_sample_position;
    seq_params->color_range = oxcf->color_range;
  
    assert(IMPLIES(seq_params->profile <= PROFILE_1,
                   seq_params->bit_depth <= AOM_BITS_10));
  
    memcpy(cpi->target_seq_level_idx, oxcf->target_seq_level_idx,
           sizeof(cpi->target_seq_level_idx));
    cpi->keep_level_stats = 0;
    for (int i = 0; i < MAX_NUM_OPERATING_POINTS; ++i) {
      if (cpi->target_seq_level_idx[i] < SEQ_LEVELS) {
        cpi->keep_level_stats = 1;
        break;
      }
    }
  
    cm->timing_info_present = oxcf->timing_info_present;
    cm->timing_info.num_units_in_display_tick =
        oxcf->timing_info.num_units_in_display_tick;
    cm->timing_info.time_scale = oxcf->timing_info.time_scale;
    cm->timing_info.equal_picture_interval =
        oxcf->timing_info.equal_picture_interval;
    cm->timing_info.num_ticks_per_picture =
        oxcf->timing_info.num_ticks_per_picture;
  
    seq_params->display_model_info_present_flag =
        oxcf->display_model_info_present_flag;
    seq_params->decoder_model_info_present_flag =
        oxcf->decoder_model_info_present_flag;
    if (oxcf->decoder_model_info_present_flag) {
      // set the decoder model parameters in schedule mode
      cm->buffer_model.num_units_in_decoding_tick =
          oxcf->buffer_model.num_units_in_decoding_tick;
      cm->buffer_removal_time_present = 1;
      set_aom_dec_model_info(&cm->buffer_model);
      set_dec_model_op_parameters(&cm->op_params[0]);
    } else if (cm->timing_info_present &&
               cm->timing_info.equal_picture_interval &&
               !seq_params->decoder_model_info_present_flag) {
      // set the decoder model parameters in resource availability mode
      set_resource_availability_parameters(&cm->op_params[0]);
    } else {
      cm->op_params[0].initial_display_delay =
          10;  // Default value (not signaled)
    }
  
    update_film_grain_parameters(cpi, oxcf);
  
    cpi->oxcf = *oxcf;
    cpi->common.options = oxcf->cfg;
    x->e_mbd.bd = (int)seq_params->bit_depth;
    x->e_mbd.global_motion = cm->global_motion;
  
    if ((oxcf->pass == 0) && (oxcf->rc_mode == AOM_Q)) {
      rc->baseline_gf_interval = FIXED_GF_INTERVAL;
    } else {
      rc->baseline_gf_interval = (MIN_GF_INTERVAL + MAX_GF_INTERVAL) / 2;
    }
  
    cpi->refresh_last_frame = 1;
    cpi->refresh_golden_frame = 0;
    cpi->refresh_bwd_ref_frame = 0;
    cpi->refresh_alt2_ref_frame = 0;
  
    cm->refresh_frame_context = (oxcf->frame_parallel_decoding_mode)
                                    ? REFRESH_FRAME_CONTEXT_DISABLED
                                    : REFRESH_FRAME_CONTEXT_BACKWARD;
    if (oxcf->large_scale_tile)
      cm->refresh_frame_context = REFRESH_FRAME_CONTEXT_DISABLED;
  
    if (x->palette_buffer == NULL) {
      CHECK_MEM_ERROR(cm, x->palette_buffer,
                      aom_memalign(16, sizeof(*x->palette_buffer)));
    }
  
    if (x->tmp_conv_dst == NULL) {
      CHECK_MEM_ERROR(
          cm, x->tmp_conv_dst,
          aom_memalign(32, MAX_SB_SIZE * MAX_SB_SIZE * sizeof(*x->tmp_conv_dst)));
      x->e_mbd.tmp_conv_dst = x->tmp_conv_dst;
    }
    for (int i = 0; i < 2; ++i) {
      if (x->tmp_obmc_bufs[i] == NULL) {
        CHECK_MEM_ERROR(cm, x->tmp_obmc_bufs[i],
                        aom_memalign(32, 2 * MAX_MB_PLANE * MAX_SB_SQUARE *
                                             sizeof(*x->tmp_obmc_bufs[i])));
        x->e_mbd.tmp_obmc_bufs[i] = x->tmp_obmc_bufs[i];
      }
    }
  
    av1_reset_segment_features(cm);
    set_high_precision_mv(cpi, 1, 0);
  
    set_rc_buffer_sizes(rc, &cpi->oxcf);
  
    // Under a configuration change, where maximum_buffer_size may change,
    // keep buffer level clipped to the maximum allowed buffer size.
    rc->bits_off_target = AOMMIN(rc->bits_off_target, rc->maximum_buffer_size);
    rc->buffer_level = AOMMIN(rc->buffer_level, rc->maximum_buffer_size);
  
    // Set up frame rate and related parameters rate control values.
    av1_new_framerate(cpi, cpi->framerate);
  
    // Set absolute upper and lower quality limits
    rc->worst_quality = cpi->oxcf.worst_allowed_q;
    rc->best_quality = cpi->oxcf.best_allowed_q;
  
    cm->interp_filter = oxcf->large_scale_tile ? EIGHTTAP_REGULAR : SWITCHABLE;
    cm->switchable_motion_mode = 1;
  
    if (cpi->oxcf.render_width > 0 && cpi->oxcf.render_height > 0) {
      cm->render_width = cpi->oxcf.render_width;
      cm->render_height = cpi->oxcf.render_height;
    } else {
      cm->render_width = cpi->oxcf.width;
      cm->render_height = cpi->oxcf.height;
    }
    cm->width = cpi->oxcf.width;
    cm->height = cpi->oxcf.height;
  
    int sb_size = seq_params->sb_size;
    // Superblock size should not be updated after the first key frame.
    if (!cpi->seq_params_locked) {
      set_sb_size(&cm->seq_params, select_sb_size(cpi));
      for (int i = 0; i < MAX_NUM_OPERATING_POINTS; ++i)
        seq_params->tier[i] = (oxcf->tier_mask >> i) & 1;
    }
  
    if (cpi->initial_width || sb_size != seq_params->sb_size) {
      if (cm->width > cpi->initial_width || cm->height > cpi->initial_height ||
          seq_params->sb_size != sb_size) {
        av1_free_context_buffers(cm);
        av1_free_pc_tree(&cpi->td, num_planes);
        alloc_compressor_data(cpi);
        realloc_segmentation_maps(cpi);
        cpi->initial_width = cpi->initial_height = 0;
      }
    }
    update_frame_size(cpi);
  
    cpi->alt_ref_source = NULL;
    rc->is_src_frame_alt_ref = 0;
  
    set_tile_info(cpi);
  
    cpi->ext_refresh_frame_flags_pending = 0;
    cpi->ext_refresh_frame_context_pending = 0;
  
    highbd_set_var_fns(cpi);
  
    // Init sequence level coding tools
    // This should not be called after the first key frame.
    if (!cpi->seq_params_locked) {
      seq_params->operating_points_cnt_minus_1 =
          cm->number_spatial_layers > 1 ? cm->number_spatial_layers - 1 : 0;
      init_seq_coding_tools(&cm->seq_params, cm, oxcf);
    }
  }
  
  AV1_COMP *av1_create_compressor(AV1EncoderConfig *oxcf,
                                  BufferPool *const pool) {
    unsigned int i;
    AV1_COMP *volatile const cpi = aom_memalign(32, sizeof(AV1_COMP));
    AV1_COMMON *volatile const cm = cpi != NULL ? &cpi->common : NULL;
  
    if (!cm) return NULL;
  
    av1_zero(*cpi);
  
    // The jmp_buf is valid only for the duration of the function that calls
    // setjmp(). Therefore, this function must reset the 'setjmp' field to 0
    // before it returns.
    if (setjmp(cm->error.jmp)) {
      cm->error.setjmp = 0;
      av1_remove_compressor(cpi);
      return 0;
    }
  
    cm->error.setjmp = 1;
    cm->alloc_mi = enc_alloc_mi;
    cm->free_mi = enc_free_mi;
    cm->setup_mi = enc_setup_mi;
  
    CHECK_MEM_ERROR(cm, cm->fc,
                    (FRAME_CONTEXT *)aom_memalign(32, sizeof(*cm->fc)));
    CHECK_MEM_ERROR(
        cm, cm->default_frame_context,
        (FRAME_CONTEXT *)aom_memalign(32, sizeof(*cm->default_frame_context)));
    memset(cm->fc, 0, sizeof(*cm->fc));
    memset(cm->default_frame_context, 0, sizeof(*cm->default_frame_context));
  
    cpi->resize_state = 0;
    cpi->resize_avg_qp = 0;
    cpi->resize_buffer_underflow = 0;
  
    cpi->common.buffer_pool = pool;
  
    init_config(cpi, oxcf);
    av1_rc_init(&cpi->oxcf, oxcf->pass, &cpi->rc);
  
    cm->current_frame.frame_number = 0;
    cm->current_frame_id = -1;
    cpi->seq_params_locked = 0;
    cpi->partition_search_skippable_frame = 0;
    cpi->tile_data = NULL;
    cpi->last_show_frame_buf = NULL;
    realloc_segmentation_maps(cpi);
  
    memset(cpi->nmv_costs, 0, sizeof(cpi->nmv_costs));
    memset(cpi->nmv_costs_hp, 0, sizeof(cpi->nmv_costs_hp));
  
    for (i = 0; i < (sizeof(cpi->mbgraph_stats) / sizeof(cpi->mbgraph_stats[0]));
         i++) {
      CHECK_MEM_ERROR(
          cm, cpi->mbgraph_stats[i].mb_stats,
          aom_calloc(cm->MBs * sizeof(*cpi->mbgraph_stats[i].mb_stats), 1));
    }
  
    cpi->refresh_alt_ref_frame = 0;
  
    av1_init_level_info(cpi->level_info);
  
    cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS;
  #if CONFIG_INTERNAL_STATS
    cpi->b_calculate_blockiness = 1;
    cpi->b_calculate_consistency = 1;
    cpi->total_inconsistency = 0;
    cpi->psnr.worst = 100.0;
    cpi->worst_ssim = 100.0;
  
    cpi->count = 0;
    cpi->bytes = 0;
  #if CONFIG_SPEED_STATS
    cpi->tx_search_count = 0;
  #endif  // CONFIG_SPEED_STATS
  
    if (cpi->b_calculate_psnr) {
      cpi->total_sq_error = 0;
      cpi->total_samples = 0;
      cpi->tot_recode_hits = 0;
      cpi->summed_quality = 0;
      cpi->summed_weights = 0;
    }
  
    cpi->fastssim.worst = 100.0;
    cpi->psnrhvs.worst = 100.0;
  
    if (cpi->b_calculate_blockiness) {
      cpi->total_blockiness = 0;
      cpi->worst_blockiness = 0.0;
    }
  
    if (cpi->b_calculate_consistency) {
      CHECK_MEM_ERROR(cm, cpi->ssim_vars,
                      aom_malloc(sizeof(*cpi->ssim_vars) * 4 *
                                 cpi->common.mi_rows * cpi->common.mi_cols));
      cpi->worst_consistency = 100.0;
    }
  #endif
  #if CONFIG_ENTROPY_STATS
    av1_zero(aggregate_fc);
  #endif  // CONFIG_ENTROPY_STATS
  
    cpi->first_time_stamp_ever = INT64_MAX;
  
    cpi->td.mb.nmvcost[0] = &cpi->nmv_costs[0][MV_MAX];
    cpi->td.mb.nmvcost[1] = &cpi->nmv_costs[1][MV_MAX];
    cpi->td.mb.nmvcost_hp[0] = &cpi->nmv_costs_hp[0][MV_MAX];
    cpi->td.mb.nmvcost_hp[1] = &cpi->nmv_costs_hp[1][MV_MAX];
  
  #ifdef OUTPUT_YUV_SKINMAP
    yuv_skinmap_file = fopen("skinmap.yuv", "ab");
  #endif
  #ifdef OUTPUT_YUV_REC
    yuv_rec_file = fopen("rec.yuv", "wb");
  #endif
  
    if (oxcf->pass == 1) {
      av1_init_first_pass(cpi);
    } else if (oxcf->pass == 2) {
      const size_t packet_sz = sizeof(FIRSTPASS_STATS);
      const int packets = (int)(oxcf->two_pass_stats_in.sz / packet_sz);
  
      cpi->twopass.stats_in_start = oxcf->two_pass_stats_in.buf;
      cpi->twopass.stats_in = cpi->twopass.stats_in_start;
      cpi->twopass.stats_in_end = &cpi->twopass.stats_in[packets - 1];
  
      av1_init_second_pass(cpi);
    }
  
    CHECK_MEM_ERROR(
        cm, cpi->td.mb.above_pred_buf,
        (uint8_t *)aom_memalign(16, MAX_MB_PLANE * MAX_SB_SQUARE *
                                        sizeof(*cpi->td.mb.above_pred_buf)));
    CHECK_MEM_ERROR(
        cm, cpi->td.mb.left_pred_buf,
        (uint8_t *)aom_memalign(16, MAX_MB_PLANE * MAX_SB_SQUARE *
                                        sizeof(*cpi->td.mb.left_pred_buf)));
  
    CHECK_MEM_ERROR(cm, cpi->td.mb.wsrc_buf,
                    (int32_t *)aom_memalign(
                        16, MAX_SB_SQUARE * sizeof(*cpi->td.mb.wsrc_buf)));
  
    CHECK_MEM_ERROR(
        cm, cpi->td.mb.inter_modes_info,
        (InterModesInfo *)aom_malloc(sizeof(*cpi->td.mb.inter_modes_info)));
  
    for (int x = 0; x < 2; x++)
      for (int y = 0; y < 2; y++)
        CHECK_MEM_ERROR(
            cm, cpi->td.mb.hash_value_buffer[x][y],
            (uint32_t *)aom_malloc(AOM_BUFFER_SIZE_FOR_BLOCK_HASH *
                                   sizeof(*cpi->td.mb.hash_value_buffer[0][0])));
  
    cpi->td.mb.g_crc_initialized = 0;
  
    CHECK_MEM_ERROR(cm, cpi->td.mb.mask_buf,
                    (int32_t *)aom_memalign(
                        16, MAX_SB_SQUARE * sizeof(*cpi->td.mb.mask_buf)));
  
    av1_set_speed_features_framesize_independent(cpi, oxcf->speed);
    av1_set_speed_features_framesize_dependent(cpi, oxcf->speed);
  
    for (int frame = 0; frame < MAX_LENGTH_TPL_FRAME_STATS; ++frame) {
      int mi_cols = ALIGN_POWER_OF_TWO(cm->mi_cols, MAX_MIB_SIZE_LOG2);
      int mi_rows = ALIGN_POWER_OF_TWO(cm->mi_rows, MAX_MIB_SIZE_LOG2);
  
      CHECK_MEM_ERROR(cm, cpi->tpl_stats[frame].tpl_stats_ptr,
                      aom_calloc(mi_rows * mi_cols,
                                 sizeof(*cpi->tpl_stats[frame].tpl_stats_ptr)));
      cpi->tpl_stats[frame].is_valid = 0;
      cpi->tpl_stats[frame].width = mi_cols;
      cpi->tpl_stats[frame].height = mi_rows;
      cpi->tpl_stats[frame].stride = mi_cols;
      cpi->tpl_stats[frame].mi_rows = cm->mi_rows;
      cpi->tpl_stats[frame].mi_cols = cm->mi_cols;
    }
  
  #if CONFIG_COLLECT_PARTITION_STATS == 2
    av1_zero(cpi->partition_stats);
  #endif
  
  #define BFP(BT, SDF, SDAF, VF, SVF, SVAF, SDX4DF, JSDAF, JSVAF) \
    cpi->fn_ptr[BT].sdf = SDF;                                    \
    cpi->fn_ptr[BT].sdaf = SDAF;                                  \
    cpi->fn_ptr[BT].vf = VF;                                      \
    cpi->fn_ptr[BT].svf = SVF;                                    \
    cpi->fn_ptr[BT].svaf = SVAF;                                  \
    cpi->fn_ptr[BT].sdx4df = SDX4DF;                              \
    cpi->fn_ptr[BT].jsdaf = JSDAF;                                \
    cpi->fn_ptr[BT].jsvaf = JSVAF;
  
    BFP(BLOCK_4X16, aom_sad4x16, aom_sad4x16_avg, aom_variance4x16,
        aom_sub_pixel_variance4x16, aom_sub_pixel_avg_variance4x16,
        aom_sad4x16x4d, aom_dist_wtd_sad4x16_avg,
        aom_dist_wtd_sub_pixel_avg_variance4x16)
  
    BFP(BLOCK_16X4, aom_sad16x4, aom_sad16x4_avg, aom_variance16x4,
        aom_sub_pixel_variance16x4, aom_sub_pixel_avg_variance16x4,
        aom_sad16x4x4d, aom_dist_wtd_sad16x4_avg,
        aom_dist_wtd_sub_pixel_avg_variance16x4)
  
    BFP(BLOCK_8X32, aom_sad8x32, aom_sad8x32_avg, aom_variance8x32,
        aom_sub_pixel_variance8x32, aom_sub_pixel_avg_variance8x32,
        aom_sad8x32x4d, aom_dist_wtd_sad8x32_avg,
        aom_dist_wtd_sub_pixel_avg_variance8x32)
  
    BFP(BLOCK_32X8, aom_sad32x8, aom_sad32x8_avg, aom_variance32x8,
        aom_sub_pixel_variance32x8, aom_sub_pixel_avg_variance32x8,
        aom_sad32x8x4d, aom_dist_wtd_sad32x8_avg,
        aom_dist_wtd_sub_pixel_avg_variance32x8)
  
    BFP(BLOCK_16X64, aom_sad16x64, aom_sad16x64_avg, aom_variance16x64,
        aom_sub_pixel_variance16x64, aom_sub_pixel_avg_variance16x64,
        aom_sad16x64x4d, aom_dist_wtd_sad16x64_avg,
        aom_dist_wtd_sub_pixel_avg_variance16x64)
  
    BFP(BLOCK_64X16, aom_sad64x16, aom_sad64x16_avg, aom_variance64x16,
        aom_sub_pixel_variance64x16, aom_sub_pixel_avg_variance64x16,
        aom_sad64x16x4d, aom_dist_wtd_sad64x16_avg,
        aom_dist_wtd_sub_pixel_avg_variance64x16)
  
    BFP(BLOCK_128X128, aom_sad128x128, aom_sad128x128_avg, aom_variance128x128,
        aom_sub_pixel_variance128x128, aom_sub_pixel_avg_variance128x128,
        aom_sad128x128x4d, aom_dist_wtd_sad128x128_avg,
        aom_dist_wtd_sub_pixel_avg_variance128x128)
  
    BFP(BLOCK_128X64, aom_sad128x64, aom_sad128x64_avg, aom_variance128x64,
        aom_sub_pixel_variance128x64, aom_sub_pixel_avg_variance128x64,
        aom_sad128x64x4d, aom_dist_wtd_sad128x64_avg,
        aom_dist_wtd_sub_pixel_avg_variance128x64)
  
    BFP(BLOCK_64X128, aom_sad64x128, aom_sad64x128_avg, aom_variance64x128,
        aom_sub_pixel_variance64x128, aom_sub_pixel_avg_variance64x128,
        aom_sad64x128x4d, aom_dist_wtd_sad64x128_avg,
        aom_dist_wtd_sub_pixel_avg_variance64x128)
  
    BFP(BLOCK_32X16, aom_sad32x16, aom_sad32x16_avg, aom_variance32x16,
        aom_sub_pixel_variance32x16, aom_sub_pixel_avg_variance32x16,
        aom_sad32x16x4d, aom_dist_wtd_sad32x16_avg,
        aom_dist_wtd_sub_pixel_avg_variance32x16)
  
    BFP(BLOCK_16X32, aom_sad16x32, aom_sad16x32_avg, aom_variance16x32,
        aom_sub_pixel_variance16x32, aom_sub_pixel_avg_variance16x32,
        aom_sad16x32x4d, aom_dist_wtd_sad16x32_avg,
        aom_dist_wtd_sub_pixel_avg_variance16x32)
  
    BFP(BLOCK_64X32, aom_sad64x32, aom_sad64x32_avg, aom_variance64x32,
        aom_sub_pixel_variance64x32, aom_sub_pixel_avg_variance64x32,
        aom_sad64x32x4d, aom_dist_wtd_sad64x32_avg,
        aom_dist_wtd_sub_pixel_avg_variance64x32)
  
    BFP(BLOCK_32X64, aom_sad32x64, aom_sad32x64_avg, aom_variance32x64,
        aom_sub_pixel_variance32x64, aom_sub_pixel_avg_variance32x64,
        aom_sad32x64x4d, aom_dist_wtd_sad32x64_avg,
        aom_dist_wtd_sub_pixel_avg_variance32x64)
  
    BFP(BLOCK_32X32, aom_sad32x32, aom_sad32x32_avg, aom_variance32x32,
        aom_sub_pixel_variance32x32, aom_sub_pixel_avg_variance32x32,
        aom_sad32x32x4d, aom_dist_wtd_sad32x32_avg,
        aom_dist_wtd_sub_pixel_avg_variance32x32)
  
    BFP(BLOCK_64X64, aom_sad64x64, aom_sad64x64_avg, aom_variance64x64,
        aom_sub_pixel_variance64x64, aom_sub_pixel_avg_variance64x64,
        aom_sad64x64x4d, aom_dist_wtd_sad64x64_avg,
        aom_dist_wtd_sub_pixel_avg_variance64x64)
  
    BFP(BLOCK_16X16, aom_sad16x16, aom_sad16x16_avg, aom_variance16x16,
        aom_sub_pixel_variance16x16, aom_sub_pixel_avg_variance16x16,
        aom_sad16x16x4d, aom_dist_wtd_sad16x16_avg,
        aom_dist_wtd_sub_pixel_avg_variance16x16)
  
    BFP(BLOCK_16X8, aom_sad16x8, aom_sad16x8_avg, aom_variance16x8,
        aom_sub_pixel_variance16x8, aom_sub_pixel_avg_variance16x8,
        aom_sad16x8x4d, aom_dist_wtd_sad16x8_avg,
        aom_dist_wtd_sub_pixel_avg_variance16x8)
  
    BFP(BLOCK_8X16, aom_sad8x16, aom_sad8x16_avg, aom_variance8x16,
        aom_sub_pixel_variance8x16, aom_sub_pixel_avg_variance8x16,
        aom_sad8x16x4d, aom_dist_wtd_sad8x16_avg,
        aom_dist_wtd_sub_pixel_avg_variance8x16)
  
    BFP(BLOCK_8X8, aom_sad8x8, aom_sad8x8_avg, aom_variance8x8,
        aom_sub_pixel_variance8x8, aom_sub_pixel_avg_variance8x8, aom_sad8x8x4d,
        aom_dist_wtd_sad8x8_avg, aom_dist_wtd_sub_pixel_avg_variance8x8)
  
    BFP(BLOCK_8X4, aom_sad8x4, aom_sad8x4_avg, aom_variance8x4,
        aom_sub_pixel_variance8x4, aom_sub_pixel_avg_variance8x4, aom_sad8x4x4d,
        aom_dist_wtd_sad8x4_avg, aom_dist_wtd_sub_pixel_avg_variance8x4)
  
    BFP(BLOCK_4X8, aom_sad4x8, aom_sad4x8_avg, aom_variance4x8,
        aom_sub_pixel_variance4x8, aom_sub_pixel_avg_variance4x8, aom_sad4x8x4d,
        aom_dist_wtd_sad4x8_avg, aom_dist_wtd_sub_pixel_avg_variance4x8)
  
    BFP(BLOCK_4X4, aom_sad4x4, aom_sad4x4_avg, aom_variance4x4,
        aom_sub_pixel_variance4x4, aom_sub_pixel_avg_variance4x4, aom_sad4x4x4d,
        aom_dist_wtd_sad4x4_avg, aom_dist_wtd_sub_pixel_avg_variance4x4)
  
  #define OBFP(BT, OSDF, OVF, OSVF) \
    cpi->fn_ptr[BT].osdf = OSDF;    \
    cpi->fn_ptr[BT].ovf = OVF;      \
    cpi->fn_ptr[BT].osvf = OSVF;
  
    OBFP(BLOCK_128X128, aom_obmc_sad128x128, aom_obmc_variance128x128,
         aom_obmc_sub_pixel_variance128x128)
    OBFP(BLOCK_128X64, aom_obmc_sad128x64, aom_obmc_variance128x64,
         aom_obmc_sub_pixel_variance128x64)
    OBFP(BLOCK_64X128, aom_obmc_sad64x128, aom_obmc_variance64x128,
         aom_obmc_sub_pixel_variance64x128)
    OBFP(BLOCK_64X64, aom_obmc_sad64x64, aom_obmc_variance64x64,
         aom_obmc_sub_pixel_variance64x64)
    OBFP(BLOCK_64X32, aom_obmc_sad64x32, aom_obmc_variance64x32,
         aom_obmc_sub_pixel_variance64x32)
    OBFP(BLOCK_32X64, aom_obmc_sad32x64, aom_obmc_variance32x64,
         aom_obmc_sub_pixel_variance32x64)
    OBFP(BLOCK_32X32, aom_obmc_sad32x32, aom_obmc_variance32x32,
         aom_obmc_sub_pixel_variance32x32)
    OBFP(BLOCK_32X16, aom_obmc_sad32x16, aom_obmc_variance32x16,
         aom_obmc_sub_pixel_variance32x16)
    OBFP(BLOCK_16X32, aom_obmc_sad16x32, aom_obmc_variance16x32,
         aom_obmc_sub_pixel_variance16x32)
    OBFP(BLOCK_16X16, aom_obmc_sad16x16, aom_obmc_variance16x16,
         aom_obmc_sub_pixel_variance16x16)
    OBFP(BLOCK_16X8, aom_obmc_sad16x8, aom_obmc_variance16x8,
         aom_obmc_sub_pixel_variance16x8)
    OBFP(BLOCK_8X16, aom_obmc_sad8x16, aom_obmc_variance8x16,
         aom_obmc_sub_pixel_variance8x16)
    OBFP(BLOCK_8X8, aom_obmc_sad8x8, aom_obmc_variance8x8,
         aom_obmc_sub_pixel_variance8x8)
    OBFP(BLOCK_4X8, aom_obmc_sad4x8, aom_obmc_variance4x8,
         aom_obmc_sub_pixel_variance4x8)
    OBFP(BLOCK_8X4, aom_obmc_sad8x4, aom_obmc_variance8x4,
         aom_obmc_sub_pixel_variance8x4)
    OBFP(BLOCK_4X4, aom_obmc_sad4x4, aom_obmc_variance4x4,
         aom_obmc_sub_pixel_variance4x4)
    OBFP(BLOCK_4X16, aom_obmc_sad4x16, aom_obmc_variance4x16,
         aom_obmc_sub_pixel_variance4x16)
    OBFP(BLOCK_16X4, aom_obmc_sad16x4, aom_obmc_variance16x4,
         aom_obmc_sub_pixel_variance16x4)
    OBFP(BLOCK_8X32, aom_obmc_sad8x32, aom_obmc_variance8x32,
         aom_obmc_sub_pixel_variance8x32)
    OBFP(BLOCK_32X8, aom_obmc_sad32x8, aom_obmc_variance32x8,
         aom_obmc_sub_pixel_variance32x8)
    OBFP(BLOCK_16X64, aom_obmc_sad16x64, aom_obmc_variance16x64,
         aom_obmc_sub_pixel_variance16x64)
    OBFP(BLOCK_64X16, aom_obmc_sad64x16, aom_obmc_variance64x16,
         aom_obmc_sub_pixel_variance64x16)
  
  #define MBFP(BT, MCSDF, MCSVF)  \
    cpi->fn_ptr[BT].msdf = MCSDF; \
    cpi->fn_ptr[BT].msvf = MCSVF;
  
    MBFP(BLOCK_128X128, aom_masked_sad128x128,
         aom_masked_sub_pixel_variance128x128)
    MBFP(BLOCK_128X64, aom_masked_sad128x64, aom_masked_sub_pixel_variance128x64)
    MBFP(BLOCK_64X128, aom_masked_sad64x128, aom_masked_sub_pixel_variance64x128)
    MBFP(BLOCK_64X64, aom_masked_sad64x64, aom_masked_sub_pixel_variance64x64)
    MBFP(BLOCK_64X32, aom_masked_sad64x32, aom_masked_sub_pixel_variance64x32)
    MBFP(BLOCK_32X64, aom_masked_sad32x64, aom_masked_sub_pixel_variance32x64)
    MBFP(BLOCK_32X32, aom_masked_sad32x32, aom_masked_sub_pixel_variance32x32)
    MBFP(BLOCK_32X16, aom_masked_sad32x16, aom_masked_sub_pixel_variance32x16)
    MBFP(BLOCK_16X32, aom_masked_sad16x32, aom_masked_sub_pixel_variance16x32)
    MBFP(BLOCK_16X16, aom_masked_sad16x16, aom_masked_sub_pixel_variance16x16)
    MBFP(BLOCK_16X8, aom_masked_sad16x8, aom_masked_sub_pixel_variance16x8)
    MBFP(BLOCK_8X16, aom_masked_sad8x16, aom_masked_sub_pixel_variance8x16)
    MBFP(BLOCK_8X8, aom_masked_sad8x8, aom_masked_sub_pixel_variance8x8)
    MBFP(BLOCK_4X8, aom_masked_sad4x8, aom_masked_sub_pixel_variance4x8)
    MBFP(BLOCK_8X4, aom_masked_sad8x4, aom_masked_sub_pixel_variance8x4)
    MBFP(BLOCK_4X4, aom_masked_sad4x4, aom_masked_sub_pixel_variance4x4)
  
    MBFP(BLOCK_4X16, aom_masked_sad4x16, aom_masked_sub_pixel_variance4x16)
  
    MBFP(BLOCK_16X4, aom_masked_sad16x4, aom_masked_sub_pixel_variance16x4)
  
    MBFP(BLOCK_8X32, aom_masked_sad8x32, aom_masked_sub_pixel_variance8x32)
  
    MBFP(BLOCK_32X8, aom_masked_sad32x8, aom_masked_sub_pixel_variance32x8)
  
    MBFP(BLOCK_16X64, aom_masked_sad16x64, aom_masked_sub_pixel_variance16x64)
  
    MBFP(BLOCK_64X16, aom_masked_sad64x16, aom_masked_sub_pixel_variance64x16)
  
    highbd_set_var_fns(cpi);
  
    /* av1_init_quantizer() is first called here. Add check in
     * av1_frame_init_quantizer() so that av1_init_quantizer is only
     * called later when needed. This will avoid unnecessary calls of
     * av1_init_quantizer() for every frame.
     */
    av1_init_quantizer(cpi);
    av1_qm_init(cm);
  
    av1_loop_filter_init(cm);
    cm->superres_scale_denominator = SCALE_NUMERATOR;
    cm->superres_upscaled_width = oxcf->width;
    cm->superres_upscaled_height = oxcf->height;
    av1_loop_restoration_precal();
  
    cm->error.setjmp = 0;
  
    return cpi;
  }
  
  #if CONFIG_INTERNAL_STATS
  #define SNPRINT(H, T) snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T))
  
  #define SNPRINT2(H, T, V) \
    snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T), (V))
  #endif  // CONFIG_INTERNAL_STATS
  
  void av1_remove_compressor(AV1_COMP *cpi) {
    AV1_COMMON *cm;
    unsigned int i;
    int t;
  
    if (!cpi) return;
  
    cm = &cpi->common;
    const int num_planes = av1_num_planes(cm);
  
    if (cm->current_frame.frame_number > 0) {
  #if CONFIG_ENTROPY_STATS
      if (cpi->oxcf.pass != 1) {
        fprintf(stderr, "Writing counts.stt\n");
        FILE *f = fopen("counts.stt", "wb");
        fwrite(&aggregate_fc, sizeof(aggregate_fc), 1, f);
        fclose(f);
      }
  #endif  // CONFIG_ENTROPY_STATS
  #if CONFIG_INTERNAL_STATS
      aom_clear_system_state();
  
      if (cpi->oxcf.pass != 1) {
        char headings[512] = { 0 };
        char results[512] = { 0 };
        FILE *f = fopen("opsnr.stt", "a");
        double time_encoded =
            (cpi->last_end_time_stamp_seen - cpi->first_time_stamp_ever) /
            10000000.000;
        double total_encode_time =
            (cpi->time_receive_data + cpi->time_compress_data) / 1000.000;
        const double dr =
            (double)cpi->bytes * (double)8 / (double)1000 / time_encoded;
        const double peak = (double)((1 << cpi->oxcf.input_bit_depth) - 1);
        const double target_rate = (double)cpi->oxcf.target_bandwidth / 1000;
        const double rate_err = ((100.0 * (dr - target_rate)) / target_rate);
  
        if (cpi->b_calculate_psnr) {
          const double total_psnr = aom_sse_to_psnr(
              (double)cpi->total_samples, peak, (double)cpi->total_sq_error);
          const double total_ssim =
              100 * pow(cpi->summed_quality / cpi->summed_weights, 8.0);
          snprintf(headings, sizeof(headings),
                   "Bitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\tGLPsnrP\t"
                   "AOMSSIM\tVPSSIMP\tFASTSIM\tPSNRHVS\t"
                   "WstPsnr\tWstSsim\tWstFast\tWstHVS\t"
                   "AVPsrnY\tAPsnrCb\tAPsnrCr");
          snprintf(results, sizeof(results),
                   "%7.2f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
                   "%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
                   "%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
                   "%7.3f\t%7.3f\t%7.3f",
                   dr, cpi->psnr.stat[STAT_ALL] / cpi->count, total_psnr,
                   cpi->psnr.stat[STAT_ALL] / cpi->count, total_psnr, total_ssim,
                   total_ssim, cpi->fastssim.stat[STAT_ALL] / cpi->count,
                   cpi->psnrhvs.stat[STAT_ALL] / cpi->count, cpi->psnr.worst,
                   cpi->worst_ssim, cpi->fastssim.worst, cpi->psnrhvs.worst,
                   cpi->psnr.stat[STAT_Y] / cpi->count,
                   cpi->psnr.stat[STAT_U] / cpi->count,
                   cpi->psnr.stat[STAT_V] / cpi->count);
  
          if (cpi->b_calculate_blockiness) {
            SNPRINT(headings, "\t  Block\tWstBlck");
            SNPRINT2(results, "\t%7.3f", cpi->total_blockiness / cpi->count);
            SNPRINT2(results, "\t%7.3f", cpi->worst_blockiness);
          }
  
          if (cpi->b_calculate_consistency) {
            double consistency =
                aom_sse_to_psnr((double)cpi->total_samples, peak,
                                (double)cpi->total_inconsistency);
  
            SNPRINT(headings, "\tConsist\tWstCons");
            SNPRINT2(results, "\t%7.3f", consistency);
            SNPRINT2(results, "\t%7.3f", cpi->worst_consistency);
          }
          fprintf(f, "%s\t    Time\tRcErr\tAbsErr\n", headings);
          fprintf(f, "%s\t%8.0f\t%7.2f\t%7.2f\n", results, total_encode_time,
                  rate_err, fabs(rate_err));
        }
  
        fclose(f);
      }
  #endif  // CONFIG_INTERNAL_STATS
  #if CONFIG_SPEED_STATS
      if (cpi->oxcf.pass != 1) {
        fprintf(stdout, "tx_search_count = %d\n", cpi->tx_search_count);
      }
  #endif  // CONFIG_SPEED_STATS
  
  #if CONFIG_COLLECT_PARTITION_STATS == 2
      if (cpi->oxcf.pass != 1) {
        av1_print_partition_stats(&cpi->partition_stats);
      }
  #endif
    }
  
    for (int frame = 0; frame < MAX_LENGTH_TPL_FRAME_STATS; ++frame) {
      aom_free(cpi->tpl_stats[frame].tpl_stats_ptr);
      cpi->tpl_stats[frame].is_valid = 0;
    }
  
    for (t = cpi->num_workers - 1; t >= 0; --t) {
      AVxWorker *const worker = &cpi->workers[t];
      EncWorkerData *const thread_data = &cpi->tile_thr_data[t];
  
      // Deallocate allocated threads.
      aom_get_worker_interface()->end(worker);
  
      // Deallocate allocated thread data.
      if (cpi->row_mt == 1) aom_free(thread_data->td->tctx);
      if (t > 0) {
        aom_free(thread_data->td->palette_buffer);
        aom_free(thread_data->td->tmp_conv_dst);
        for (int j = 0; j < 2; ++j) {
          aom_free(thread_data->td->tmp_obmc_bufs[j]);
        }
        aom_free(thread_data->td->above_pred_buf);
        aom_free(thread_data->td->left_pred_buf);
        aom_free(thread_data->td->wsrc_buf);
  
        aom_free(thread_data->td->inter_modes_info);
        for (int x = 0; x < 2; x++) {
          for (int y = 0; y < 2; y++) {
            aom_free(thread_data->td->hash_value_buffer[x][y]);
            thread_data->td->hash_value_buffer[x][y] = NULL;
          }
        }
        aom_free(thread_data->td->mask_buf);
        aom_free(thread_data->td->counts);
        av1_free_pc_tree(thread_data->td, num_planes);
        aom_free(thread_data->td);
      }
    }
  #if CONFIG_MULTITHREAD
    if (cpi->row_mt == 1) {
      if (cpi->row_mt_mutex_ != NULL) {
        pthread_mutex_destroy(cpi->row_mt_mutex_);
        aom_free(cpi->row_mt_mutex_);
      }
    }
  #endif
    av1_row_mt_mem_dealloc(cpi);
    aom_free(cpi->tile_thr_data);
    aom_free(cpi->workers);
  
    if (cpi->num_workers > 1) {
      av1_loop_filter_dealloc(&cpi->lf_row_sync);
      av1_loop_restoration_dealloc(&cpi->lr_row_sync, cpi->num_workers);
    }
  
    dealloc_compressor_data(cpi);
  
    for (i = 0; i < sizeof(cpi->mbgraph_stats) / sizeof(cpi->mbgraph_stats[0]);
         ++i) {
      aom_free(cpi->mbgraph_stats[i].mb_stats);
    }
  
  #if CONFIG_INTERNAL_STATS
    aom_free(cpi->ssim_vars);
    cpi->ssim_vars = NULL;
  #endif  // CONFIG_INTERNAL_STATS
  
    av1_remove_common(cm);
    for (i = 0; i < FRAME_BUFFERS; ++i) {
      av1_hash_table_destroy(&cm->buffer_pool->frame_bufs[i].hash_table);
    }
    if (cpi->sf.use_hash_based_trellis) hbt_destroy();
    av1_free_ref_frame_buffers(cm->buffer_pool);
    aom_free(cpi);
  
  #ifdef OUTPUT_YUV_SKINMAP
    fclose(yuv_skinmap_file);
  #endif
  #ifdef OUTPUT_YUV_REC
    fclose(yuv_rec_file);
  #endif
  }
  
  static void generate_psnr_packet(AV1_COMP *cpi) {
    struct aom_codec_cx_pkt pkt;
    int i;
    PSNR_STATS psnr;
    aom_calc_highbd_psnr(cpi->source, &cpi->common.cur_frame->buf, &psnr,
                         cpi->td.mb.e_mbd.bd, cpi->oxcf.input_bit_depth);
  
    for (i = 0; i < 4; ++i) {
      pkt.data.psnr.samples[i] = psnr.samples[i];
      pkt.data.psnr.sse[i] = psnr.sse[i];
      pkt.data.psnr.psnr[i] = psnr.psnr[i];
    }
    pkt.kind = AOM_CODEC_PSNR_PKT;
    aom_codec_pkt_list_add(cpi->output_pkt_list, &pkt);
  }
  
  int av1_use_as_reference(AV1_COMP *cpi, int ref_frame_flags) {
    if (ref_frame_flags > ((1 << INTER_REFS_PER_FRAME) - 1)) return -1;
  
    cpi->ext_ref_frame_flags = ref_frame_flags;
    return 0;
  }
  
  int av1_copy_reference_enc(AV1_COMP *cpi, int idx, YV12_BUFFER_CONFIG *sd) {
    AV1_COMMON *const cm = &cpi->common;
    const int num_planes = av1_num_planes(cm);
    YV12_BUFFER_CONFIG *cfg = get_ref_frame(cm, idx);
    if (cfg) {
      aom_yv12_copy_frame(cfg, sd, num_planes);
      return 0;
    } else {
      return -1;
    }
  }
  
  int av1_set_reference_enc(AV1_COMP *cpi, int idx, YV12_BUFFER_CONFIG *sd) {
    AV1_COMMON *const cm = &cpi->common;
    const int num_planes = av1_num_planes(cm);
    YV12_BUFFER_CONFIG *cfg = get_ref_frame(cm, idx);
    if (cfg) {
      aom_yv12_copy_frame(sd, cfg, num_planes);
      return 0;
    } else {
      return -1;
    }
  }
  
  int av1_update_entropy(AV1_COMP *cpi, int update) {
    cpi->ext_refresh_frame_context = update;
    cpi->ext_refresh_frame_context_pending = 1;
    return 0;
  }
  
  #if defined(OUTPUT_YUV_DENOISED) || defined(OUTPUT_YUV_SKINMAP)
  // The denoiser buffer is allocated as a YUV 440 buffer. This function writes it
  // as YUV 420. We simply use the top-left pixels of the UV buffers, since we do
  // not denoise the UV channels at this time. If ever we implement UV channel
  // denoising we will have to modify this.
  void aom_write_yuv_frame_420(YV12_BUFFER_CONFIG *s, FILE *f) {
    uint8_t *src = s->y_buffer;
    int h = s->y_height;
  
    do {
      fwrite(src, s->y_width, 1, f);
      src += s->y_stride;
    } while (--h);
  
    src = s->u_buffer;
    h = s->uv_height;
  
    do {
      fwrite(src, s->uv_width, 1, f);
      src += s->uv_stride;
    } while (--h);
  
    src = s->v_buffer;
    h = s->uv_height;
  
    do {
      fwrite(src, s->uv_width, 1, f);
      src += s->uv_stride;
    } while (--h);
  }
  #endif
  
  #ifdef OUTPUT_YUV_REC
  void aom_write_one_yuv_frame(AV1_COMMON *cm, YV12_BUFFER_CONFIG *s) {
    uint8_t *src = s->y_buffer;
    int h = cm->height;
    if (yuv_rec_file == NULL) return;
    if (s->flags & YV12_FLAG_HIGHBITDEPTH) {
      uint16_t *src16 = CONVERT_TO_SHORTPTR(s->y_buffer);
  
      do {
        fwrite(src16, s->y_width, 2, yuv_rec_file);
        src16 += s->y_stride;
      } while (--h);
  
      src16 = CONVERT_TO_SHORTPTR(s->u_buffer);
      h = s->uv_height;
  
      do {
        fwrite(src16, s->uv_width, 2, yuv_rec_file);
        src16 += s->uv_stride;
      } while (--h);
  
      src16 = CONVERT_TO_SHORTPTR(s->v_buffer);
      h = s->uv_height;
  
      do {
        fwrite(src16, s->uv_width, 2, yuv_rec_file);
        src16 += s->uv_stride;
      } while (--h);
  
      fflush(yuv_rec_file);
      return;
    }
  
    do {
      fwrite(src, s->y_width, 1, yuv_rec_file);
      src += s->y_stride;
    } while (--h);
  
    src = s->u_buffer;
    h = s->uv_height;
  
    do {
      fwrite(src, s->uv_width, 1, yuv_rec_file);
      src += s->uv_stride;
    } while (--h);
  
    src = s->v_buffer;
    h = s->uv_height;
  
    do {
      fwrite(src, s->uv_width, 1, yuv_rec_file);
      src += s->uv_stride;
    } while (--h);
  
    fflush(yuv_rec_file);
  }
  #endif  // OUTPUT_YUV_REC
  
  #define GM_RECODE_LOOP_NUM4X4_FACTOR 192
  static int recode_loop_test_global_motion(AV1_COMP *cpi) {
    int i;
    int recode = 0;
    RD_COUNTS *const rdc = &cpi->td.rd_counts;
    AV1_COMMON *const cm = &cpi->common;
    for (i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
      if (cm->global_motion[i].wmtype != IDENTITY &&
          rdc->global_motion_used[i] * GM_RECODE_LOOP_NUM4X4_FACTOR <
              cpi->gmparams_cost[i]) {
        cm->global_motion[i] = default_warp_params;
        assert(cm->global_motion[i].wmtype == IDENTITY);
        cpi->gmparams_cost[i] = 0;
        recode = 1;
        // TODO(sarahparker): The earlier condition for recoding here was:
        // "recode |= (rdc->global_motion_used[i] > 0);". Can we bring something
        // similar to that back to speed up global motion?
      }
    }
    return recode;
  }
  
  // Function to test for conditions that indicate we should loop
  // back and recode a frame.
  static int recode_loop_test(AV1_COMP *cpi, int high_limit, int low_limit, int q,
                              int maxq, int minq) {
    const RATE_CONTROL *const rc = &cpi->rc;
    const AV1EncoderConfig *const oxcf = &cpi->oxcf;
    const int frame_is_kfgfarf = frame_is_kf_gf_arf(cpi);
    int force_recode = 0;
  
    if ((rc->projected_frame_size >= rc->max_frame_bandwidth) ||
        (cpi->sf.recode_loop == ALLOW_RECODE) ||
        (frame_is_kfgfarf && (cpi->sf.recode_loop == ALLOW_RECODE_KFARFGF))) {
      // TODO(agrange) high_limit could be greater than the scale-down threshold.
      if ((rc->projected_frame_size > high_limit && q < maxq) ||
          (rc->projected_frame_size < low_limit && q > minq)) {
        force_recode = 1;
      } else if (cpi->oxcf.rc_mode == AOM_CQ) {
        // Deal with frame undershoot and whether or not we are
        // below the automatically set cq level.
        if (q > oxcf->cq_level &&
            rc->projected_frame_size < ((rc->this_frame_target * 7) >> 3)) {
          force_recode = 1;
        }
      }
    }
    return force_recode;
  }
  
  static void scale_references(AV1_COMP *cpi) {
    AV1_COMMON *cm = &cpi->common;
    const int num_planes = av1_num_planes(cm);
    MV_REFERENCE_FRAME ref_frame;
    const AOM_REFFRAME ref_mask[INTER_REFS_PER_FRAME] = {
      AOM_LAST_FLAG, AOM_LAST2_FLAG, AOM_LAST3_FLAG, AOM_GOLD_FLAG,
      AOM_BWD_FLAG,  AOM_ALT2_FLAG,  AOM_ALT_FLAG
    };
  
    for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
      // Need to convert from AOM_REFFRAME to index into ref_mask (subtract 1).
      if (cpi->ref_frame_flags & ref_mask[ref_frame - 1]) {
        BufferPool *const pool = cm->buffer_pool;
        const YV12_BUFFER_CONFIG *const ref =
            get_ref_frame_yv12_buf(cm, ref_frame);
  
        if (ref == NULL) {
          cpi->scaled_ref_buf[ref_frame - 1] = NULL;
          continue;
        }
  
        if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) {
          // Replace the reference buffer with a copy having a thicker border,
          // if the reference buffer is higher resolution than the current
          // frame, and the border is thin.
          if ((ref->y_crop_width > cm->width ||
               ref->y_crop_height > cm->height) &&
              ref->border < AOM_BORDER_IN_PIXELS) {
            RefCntBuffer *ref_fb = get_ref_frame_buf(cm, ref_frame);
            if (aom_yv12_realloc_with_new_border(
                    &ref_fb->buf, AOM_BORDER_IN_PIXELS, cm->byte_alignment,
                    num_planes) != 0) {
              aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                                 "Failed to allocate frame buffer");
            }
          }
          int force_scaling = 0;
          RefCntBuffer *new_fb = cpi->scaled_ref_buf[ref_frame - 1];
          if (new_fb == NULL) {
            const int new_fb_idx = get_free_fb(cm);
            if (new_fb_idx == INVALID_IDX) {
              aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                                 "Unable to find free frame buffer");
            }
            force_scaling = 1;
            new_fb = &pool->frame_bufs[new_fb_idx];
          }
  
          if (force_scaling || new_fb->buf.y_crop_width != cm->width ||
              new_fb->buf.y_crop_height != cm->height) {
            if (aom_realloc_frame_buffer(
                    &new_fb->buf, cm->width, cm->height,
                    cm->seq_params.subsampling_x, cm->seq_params.subsampling_y,
                    cm->seq_params.use_highbitdepth, AOM_BORDER_IN_PIXELS,
                    cm->byte_alignment, NULL, NULL, NULL)) {
              if (force_scaling) {
                // Release the reference acquired in the get_free_fb() call above.
                --new_fb->ref_count;
              }
              aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                                 "Failed to allocate frame buffer");
            }
            av1_resize_and_extend_frame(
                ref, &new_fb->buf, (int)cm->seq_params.bit_depth, num_planes);
            cpi->scaled_ref_buf[ref_frame - 1] = new_fb;
            alloc_frame_mvs(cm, new_fb);
          }
        } else {
          RefCntBuffer *buf = get_ref_frame_buf(cm, ref_frame);
          buf->buf.y_crop_width = ref->y_crop_width;
          buf->buf.y_crop_height = ref->y_crop_height;
          cpi->scaled_ref_buf[ref_frame - 1] = buf;
          ++buf->ref_count;
        }
      } else {
        if (cpi->oxcf.pass != 0) cpi->scaled_ref_buf[ref_frame - 1] = NULL;
      }
    }
  }
  
  static void release_scaled_references(AV1_COMP *cpi) {
    // TODO(isbs): only refresh the necessary frames, rather than all of them
    for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
      RefCntBuffer *const buf = cpi->scaled_ref_buf[i];
      if (buf != NULL) {
        --buf->ref_count;
        cpi->scaled_ref_buf[i] = NULL;
      }
    }
  }
  
  static void set_mv_search_params(AV1_COMP *cpi) {
    const AV1_COMMON *const cm = &cpi->common;
    const unsigned int max_mv_def = AOMMIN(cm->width, cm->height);
  
    // Default based on max resolution.
    cpi->mv_step_param = av1_init_search_range(max_mv_def);
  
    if (cpi->sf.mv.auto_mv_step_size) {
      if (frame_is_intra_only(cm)) {
        // Initialize max_mv_magnitude for use in the first INTER frame
        // after a key/intra-only frame.
        cpi->max_mv_magnitude = max_mv_def;
      } else {
        if (cm->show_frame) {
          // Allow mv_steps to correspond to twice the max mv magnitude found
          // in the previous frame, capped by the default max_mv_magnitude based
          // on resolution.
          cpi->mv_step_param = av1_init_search_range(
              AOMMIN(max_mv_def, 2 * cpi->max_mv_magnitude));
        }
        cpi->max_mv_magnitude = 0;
      }
    }
  }
  
  static void set_screen_content_options(AV1_COMP *cpi) {
    AV1_COMMON *cm = &cpi->common;
  
    if (cm->seq_params.force_screen_content_tools != 2) {
      cm->allow_screen_content_tools = cm->allow_intrabc =
          cm->seq_params.force_screen_content_tools;
      return;
    }
  
    if (cpi->oxcf.content == AOM_CONTENT_SCREEN) {
      cm->allow_screen_content_tools = cm->allow_intrabc = 1;
      return;
    }
  
    // Estimate if the source frame is screen content, based on the portion of
    // blocks that have few luma colors.
    const uint8_t *src = cpi->source->y_buffer;
    assert(src != NULL);
    const int use_hbd = cpi->source->flags & YV12_FLAG_HIGHBITDEPTH;
    const int stride = cpi->source->y_stride;
    const int width = cpi->source->y_width;
    const int height = cpi->source->y_height;
    const int bd = cm->seq_params.bit_depth;
    const int blk_w = 16;
    const int blk_h = 16;
    // These threshold values are selected experimentally.
    const int color_thresh = 4;
    const unsigned int var_thresh = 0;
    // Counts of blocks with no more than color_thresh colors.
    int counts_1 = 0;
    // Counts of blocks with no more than color_thresh colors and variance larger
    // than var_thresh.
    int counts_2 = 0;
  
    for (int r = 0; r + blk_h <= height; r += blk_h) {
      for (int c = 0; c + blk_w <= width; c += blk_w) {
        int count_buf[1 << 12];  // Maximum (1 << 12) color levels.
        const uint8_t *const this_src = src + r * stride + c;
        const int n_colors =
            use_hbd ? av1_count_colors_highbd(this_src, stride, blk_w, blk_h, bd,
                                              count_buf)
                    : av1_count_colors(this_src, stride, blk_w, blk_h, count_buf);
        if (n_colors > 1 && n_colors <= color_thresh) {
          ++counts_1;
          struct buf_2d buf;
          buf.stride = stride;
          buf.buf = (uint8_t *)this_src;
          const unsigned int var =
              use_hbd
                  ? av1_high_get_sby_perpixel_variance(cpi, &buf, BLOCK_16X16, bd)
                  : av1_get_sby_perpixel_variance(cpi, &buf, BLOCK_16X16);
          if (var > var_thresh) ++counts_2;
        }
      }
    }
  
    // The threshold values are selected experimentally.
    cm->allow_screen_content_tools =
        counts_1 * blk_h * blk_w * 10 > width * height;
    // IntraBC would force loop filters off, so we use more strict rules that also
    // requires that the block has high variance.
    cm->allow_intrabc = cm->allow_screen_content_tools &&
                        counts_2 * blk_h * blk_w * 12 > width * height;
  }
  
  static void set_size_independent_vars(AV1_COMP *cpi) {
    int i;
    AV1_COMMON *cm = &cpi->common;
    for (i = LAST_FRAME; i <= ALTREF_FRAME; ++i) {
      cm->global_motion[i] = default_warp_params;
    }
    cpi->global_motion_search_done = 0;
  
    if (frame_is_intra_only(cm)) set_screen_content_options(cpi);
    cpi->is_screen_content_type = (cm->allow_screen_content_tools != 0);
  
    av1_set_speed_features_framesize_independent(cpi, cpi->speed);
    av1_set_rd_speed_thresholds(cpi);
    cm->interp_filter = SWITCHABLE;
    cm->switchable_motion_mode = 1;
  }
  
  static void set_size_dependent_vars(AV1_COMP *cpi, int *q, int *bottom_index,
                                      int *top_index) {
    AV1_COMMON *const cm = &cpi->common;
    const AV1EncoderConfig *const oxcf = &cpi->oxcf;
  
    // Setup variables that depend on the dimensions of the frame.
    av1_set_speed_features_framesize_dependent(cpi, cpi->speed);
  
    // Decide q and q bounds.
    *q = av1_rc_pick_q_and_bounds(cpi, cm->width, cm->height, bottom_index,
                                  top_index);
  
    if (!frame_is_intra_only(cm)) {
      set_high_precision_mv(cpi, (*q) < HIGH_PRECISION_MV_QTHRESH,
                            cpi->common.cur_frame_force_integer_mv);
    }
  
    // Configure experimental use of segmentation for enhanced coding of
    // static regions if indicated.
    // Only allowed in the second pass of a two pass encode, as it requires
    // lagged coding, and if the relevant speed feature flag is set.
    if (oxcf->pass == 2 && cpi->sf.static_segmentation)
      configure_static_seg_features(cpi);
  }
  
  static void init_motion_estimation(AV1_COMP *cpi) {
    const int y_stride = cpi->scaled_source.y_stride;
    const int y_stride_src = (cpi->oxcf.resize_mode || cpi->oxcf.superres_mode)
                                 ? y_stride
                                 : cpi->lookahead->buf->img.y_stride;
    // Update if ss_cfg is uninitialized or the current frame has a new stride
    const int should_update = !cpi->ss_cfg[SS_CFG_SRC].stride ||
                              !cpi->ss_cfg[SS_CFG_LOOKAHEAD].stride ||
                              (y_stride != cpi->ss_cfg[SS_CFG_SRC].stride);
  
    if (!should_update) {
      return;
    }
  
    if (cpi->sf.mv.search_method == DIAMOND) {
      av1_init_dsmotion_compensation(&cpi->ss_cfg[SS_CFG_SRC], y_stride);
      av1_init_dsmotion_compensation(&cpi->ss_cfg[SS_CFG_LOOKAHEAD],
                                     y_stride_src);
    } else {
      // Update the offsets in search_sites as y_stride can change due to scaled
      // references. This update allows NSTEP to be used on scaled references as
      // long as sf.mv.search_method is not DIAMOND. Currently in the codebae,
      // sf.mv.search_method is never set to DIAMOND.
      av1_init3smotion_compensation(&cpi->ss_cfg[SS_CFG_SRC], y_stride);
      av1_init3smotion_compensation(&cpi->ss_cfg[SS_CFG_LOOKAHEAD], y_stride_src);
    }
  }
  
  #define COUPLED_CHROMA_FROM_LUMA_RESTORATION 0
  static void set_restoration_unit_size(int width, int height, int sx, int sy,
                                        RestorationInfo *rst) {
    (void)width;
    (void)height;
    (void)sx;
    (void)sy;
  #if COUPLED_CHROMA_FROM_LUMA_RESTORATION
    int s = AOMMIN(sx, sy);
  #else
    int s = 0;
  #endif  // !COUPLED_CHROMA_FROM_LUMA_RESTORATION
  
    if (width * height > 352 * 288)
      rst[0].restoration_unit_size = RESTORATION_UNITSIZE_MAX;
    else
      rst[0].restoration_unit_size = (RESTORATION_UNITSIZE_MAX >> 1);
    rst[1].restoration_unit_size = rst[0].restoration_unit_size >> s;
    rst[2].restoration_unit_size = rst[1].restoration_unit_size;
  }
  
  static void init_ref_frame_bufs(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    int i;
    BufferPool *const pool = cm->buffer_pool;
    cm->cur_frame = NULL;
    for (i = 0; i < REF_FRAMES; ++i) {
      cm->ref_frame_map[i] = NULL;
    }
    for (i = 0; i < FRAME_BUFFERS; ++i) {
      pool->frame_bufs[i].ref_count = 0;
    }
    if (cm->seq_params.force_screen_content_tools) {
      for (i = 0; i < FRAME_BUFFERS; ++i) {
        av1_hash_table_init(&pool->frame_bufs[i].hash_table, &cpi->td.mb);
      }
    }
  }
  
  static void check_initial_width(AV1_COMP *cpi, int use_highbitdepth,
                                  int subsampling_x, int subsampling_y) {
    AV1_COMMON *const cm = &cpi->common;
    SequenceHeader *const seq_params = &cm->seq_params;
  
    if (!cpi->initial_width || seq_params->use_highbitdepth != use_highbitdepth ||
        seq_params->subsampling_x != subsampling_x ||
        seq_params->subsampling_y != subsampling_y) {
      seq_params->subsampling_x = subsampling_x;
      seq_params->subsampling_y = subsampling_y;
      seq_params->use_highbitdepth = use_highbitdepth;
  
      alloc_raw_frame_buffers(cpi);
      init_ref_frame_bufs(cpi);
      alloc_util_frame_buffers(cpi);
  
      init_motion_estimation(cpi);  // TODO(agrange) This can be removed.
  
      cpi->initial_width = cm->width;
      cpi->initial_height = cm->height;
      cpi->initial_mbs = cm->MBs;
    }
  }
  
  // Returns 1 if the assigned width or height was <= 0.
  static int set_size_literal(AV1_COMP *cpi, int width, int height) {
    AV1_COMMON *cm = &cpi->common;
    const int num_planes = av1_num_planes(cm);
    check_initial_width(cpi, cm->seq_params.use_highbitdepth,
                        cm->seq_params.subsampling_x,
                        cm->seq_params.subsampling_y);
  
    if (width <= 0 || height <= 0) return 1;
  
    cm->width = width;
    cm->height = height;
  
    if (cpi->initial_width && cpi->initial_height &&
        (cm->width > cpi->initial_width || cm->height > cpi->initial_height)) {
      av1_free_context_buffers(cm);
      av1_free_pc_tree(&cpi->td, num_planes);
      alloc_compressor_data(cpi);
      realloc_segmentation_maps(cpi);
      cpi->initial_width = cpi->initial_height = 0;
    }
    update_frame_size(cpi);
  
    return 0;
  }
  
  void av1_set_frame_size(AV1_COMP *cpi, int width, int height) {
    AV1_COMMON *const cm = &cpi->common;
    const SequenceHeader *const seq_params = &cm->seq_params;
    const int num_planes = av1_num_planes(cm);
    MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
    int ref_frame;
  
    if (width != cm->width || height != cm->height) {
      // There has been a change in the encoded frame size
      set_size_literal(cpi, width, height);
      set_mv_search_params(cpi);
      // Recalculate 'all_lossless' in case super-resolution was (un)selected.
      cm->all_lossless = cm->coded_lossless && !av1_superres_scaled(cm);
    }
  
    if (cpi->oxcf.pass == 2) {
      av1_set_target_rate(cpi, cm->width, cm->height);
    }
  
    alloc_frame_mvs(cm, cm->cur_frame);
  
    // Allocate above context buffers
    if (cm->num_allocated_above_context_planes < av1_num_planes(cm) ||
        cm->num_allocated_above_context_mi_col < cm->mi_cols ||
        cm->num_allocated_above_contexts < cm->tile_rows) {
      av1_free_above_context_buffers(cm, cm->num_allocated_above_contexts);
      if (av1_alloc_above_context_buffers(cm, cm->tile_rows))
        aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                           "Failed to allocate context buffers");
    }
  
    // Reset the frame pointers to the current frame size.
    if (aom_realloc_frame_buffer(
            &cm->cur_frame->buf, cm->width, cm->height, seq_params->subsampling_x,
            seq_params->subsampling_y, seq_params->use_highbitdepth,
            cpi->oxcf.border_in_pixels, cm->byte_alignment, NULL, NULL, NULL))
      aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                         "Failed to allocate frame buffer");
  
    const int frame_width = cm->superres_upscaled_width;
    const int frame_height = cm->superres_upscaled_height;
    set_restoration_unit_size(frame_width, frame_height,
                              seq_params->subsampling_x,
                              seq_params->subsampling_y, cm->rst_info);
    for (int i = 0; i < num_planes; ++i)
      cm->rst_info[i].frame_restoration_type = RESTORE_NONE;
  
    av1_alloc_restoration_buffers(cm);
    alloc_util_frame_buffers(cpi);
    init_motion_estimation(cpi);
  
    for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
      RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
      if (buf != NULL) {
        struct scale_factors *sf = get_ref_scale_factors(cm, ref_frame);
        av1_setup_scale_factors_for_frame(sf, buf->buf.y_crop_width,
                                          buf->buf.y_crop_height, cm->width,
                                          cm->height);
        if (av1_is_scaled(sf)) aom_extend_frame_borders(&buf->buf, num_planes);
      }
    }
  
    av1_setup_scale_factors_for_frame(&cm->sf_identity, cm->width, cm->height,
                                      cm->width, cm->height);
  
    set_ref_ptrs(cm, xd, LAST_FRAME, LAST_FRAME);
  }
  
  static uint8_t calculate_next_resize_scale(const AV1_COMP *cpi) {
    // Choose an arbitrary random number
    static unsigned int seed = 56789;
    const AV1EncoderConfig *oxcf = &cpi->oxcf;
    if (oxcf->pass == 1) return SCALE_NUMERATOR;
    uint8_t new_denom = SCALE_NUMERATOR;
  
    if (cpi->common.seq_params.reduced_still_picture_hdr) return SCALE_NUMERATOR;
    switch (oxcf->resize_mode) {
      case RESIZE_NONE: new_denom = SCALE_NUMERATOR; break;
      case RESIZE_FIXED:
        if (cpi->common.current_frame.frame_type == KEY_FRAME)
          new_denom = oxcf->resize_kf_scale_denominator;
        else
          new_denom = oxcf->resize_scale_denominator;
        break;
      case RESIZE_RANDOM: new_denom = lcg_rand16(&seed) % 9 + 8; break;
      default: assert(0);
    }
    return new_denom;
  }
  
  #define ENERGY_BY_Q2_THRESH 0.01
  #define ENERGY_BY_AC_THRESH 0.2
  
  static uint8_t get_superres_denom_from_qindex_energy(int qindex, double *energy,
                                                       double threshq,
                                                       double threshp) {
    const double q = av1_convert_qindex_to_q(qindex, AOM_BITS_8);
    const double tq = threshq * q * q;
    const double tp = threshp * energy[1];
    const double thresh = AOMMIN(tq, tp);
    int k;
    for (k = 16; k > 8; --k) {
      if (energy[k - 1] > thresh) break;
    }
    return 3 * SCALE_NUMERATOR - k;
  }
  
  static uint8_t get_superres_denom_for_qindex(const AV1_COMP *cpi, int qindex) {
    double energy[16];
    analyze_hor_freq(cpi, energy);
    /*
    printf("\nenergy = [");
    for (int k = 1; k < 16; ++k) printf("%f, ", energy[k]);
    printf("]\n");
    */
    return get_superres_denom_from_qindex_energy(
        qindex, energy, ENERGY_BY_Q2_THRESH, ENERGY_BY_AC_THRESH);
  }
  
  static uint8_t calculate_next_superres_scale(AV1_COMP *cpi) {
    // Choose an arbitrary random number
    static unsigned int seed = 34567;
    const AV1EncoderConfig *oxcf = &cpi->oxcf;
    if (oxcf->pass == 1) return SCALE_NUMERATOR;
    uint8_t new_denom = SCALE_NUMERATOR;
  
    // Make sure that superres mode of the frame is consistent with the
    // sequence-level flag.
    assert(IMPLIES(oxcf->superres_mode != SUPERRES_NONE,
                   cpi->common.seq_params.enable_superres));
    assert(IMPLIES(!cpi->common.seq_params.enable_superres,
                   oxcf->superres_mode == SUPERRES_NONE));
  
    switch (oxcf->superres_mode) {
      case SUPERRES_NONE: new_denom = SCALE_NUMERATOR; break;
      case SUPERRES_FIXED:
        if (cpi->common.current_frame.frame_type == KEY_FRAME)
          new_denom = oxcf->superres_kf_scale_denominator;
        else
          new_denom = oxcf->superres_scale_denominator;
        break;
      case SUPERRES_RANDOM: new_denom = lcg_rand16(&seed) % 9 + 8; break;
      case SUPERRES_QTHRESH: {
        // Do not use superres when screen content tools are used.
        if (cpi->common.allow_screen_content_tools) break;
        if (oxcf->rc_mode == AOM_VBR || oxcf->rc_mode == AOM_CQ)
          av1_set_target_rate(cpi, cpi->oxcf.width, cpi->oxcf.height);
        int bottom_index, top_index;
        const int q = av1_rc_pick_q_and_bounds(
            cpi, cpi->oxcf.width, cpi->oxcf.height, &bottom_index, &top_index);
  
        const int qthresh = (frame_is_intra_only(&cpi->common))
                                ? oxcf->superres_kf_qthresh
                                : oxcf->superres_qthresh;
        if (q <= qthresh) {
          new_denom = SCALE_NUMERATOR;
        } else {
          new_denom = get_superres_denom_for_qindex(cpi, q);
        }
        break;
      }
      case SUPERRES_AUTO: {
        // Don't use when screen content tools are used.
        if (cpi->common.allow_screen_content_tools) break;
        // Don't use for inter frames.
        if (!frame_is_intra_only(&cpi->common)) break;
        // Don't use for keyframes that can be used as references, except when
        // using AOM_Q mode.
        if (cpi->rc.frames_to_key != 1 && cpi->oxcf.rc_mode != AOM_Q) break;
  
        // Now decide the use of superres based on 'q'.
        int bottom_index, top_index;
        const int q = av1_rc_pick_q_and_bounds(
            cpi, cpi->oxcf.width, cpi->oxcf.height, &bottom_index, &top_index);
  
        const int qthresh = 128;
        if (q <= qthresh) {
          new_denom = SCALE_NUMERATOR;
        } else {
          new_denom = get_superres_denom_for_qindex(cpi, q);
        }
        break;
      }
      default: assert(0);
    }
    return new_denom;
  }
  
  static int dimension_is_ok(int orig_dim, int resized_dim, int denom) {
    return (resized_dim * SCALE_NUMERATOR >= orig_dim * denom / 2);
  }
  
  static int dimensions_are_ok(int owidth, int oheight, size_params_type *rsz) {
    // Only need to check the width, as scaling is horizontal only.
    (void)oheight;
    return dimension_is_ok(owidth, rsz->resize_width, rsz->superres_denom);
  }
  
  static int validate_size_scales(RESIZE_MODE resize_mode,
                                  SUPERRES_MODE superres_mode, int owidth,
                                  int oheight, size_params_type *rsz) {
    if (dimensions_are_ok(owidth, oheight, rsz)) {  // Nothing to do.
      return 1;
    }
  
    // Calculate current resize scale.
    int resize_denom =
        AOMMAX(DIVIDE_AND_ROUND(owidth * SCALE_NUMERATOR, rsz->resize_width),
               DIVIDE_AND_ROUND(oheight * SCALE_NUMERATOR, rsz->resize_height));
  
    if (resize_mode != RESIZE_RANDOM && superres_mode == SUPERRES_RANDOM) {
      // Alter superres scale as needed to enforce conformity.
      rsz->superres_denom =
          (2 * SCALE_NUMERATOR * SCALE_NUMERATOR) / resize_denom;
      if (!dimensions_are_ok(owidth, oheight, rsz)) {
        if (rsz->superres_denom > SCALE_NUMERATOR) --rsz->superres_denom;
      }
    } else if (resize_mode == RESIZE_RANDOM && superres_mode != SUPERRES_RANDOM) {
      // Alter resize scale as needed to enforce conformity.
      resize_denom =
          (2 * SCALE_NUMERATOR * SCALE_NUMERATOR) / rsz->superres_denom;
      rsz->resize_width = owidth;
      rsz->resize_height = oheight;
      av1_calculate_scaled_size(&rsz->resize_width, &rsz->resize_height,
                                resize_denom);
      if (!dimensions_are_ok(owidth, oheight, rsz)) {
        if (resize_denom > SCALE_NUMERATOR) {
          --resize_denom;
          rsz->resize_width = owidth;
          rsz->resize_height = oheight;
          av1_calculate_scaled_size(&rsz->resize_width, &rsz->resize_height,
                                    resize_denom);
        }
      }
    } else if (resize_mode == RESIZE_RANDOM && superres_mode == SUPERRES_RANDOM) {
      // Alter both resize and superres scales as needed to enforce conformity.
      do {
        if (resize_denom > rsz->superres_denom)
          --resize_denom;
        else
          --rsz->superres_denom;
        rsz->resize_width = owidth;
        rsz->resize_height = oheight;
        av1_calculate_scaled_size(&rsz->resize_width, &rsz->resize_height,
                                  resize_denom);
      } while (!dimensions_are_ok(owidth, oheight, rsz) &&
               (resize_denom > SCALE_NUMERATOR ||
                rsz->superres_denom > SCALE_NUMERATOR));
    } else {  // We are allowed to alter neither resize scale nor superres
              // scale.
      return 0;
    }
    return dimensions_are_ok(owidth, oheight, rsz);
  }
  
  // Calculates resize and superres params for next frame
  static size_params_type calculate_next_size_params(AV1_COMP *cpi) {
    const AV1EncoderConfig *oxcf = &cpi->oxcf;
    size_params_type rsz = { oxcf->width, oxcf->height, SCALE_NUMERATOR };
    int resize_denom;
    if (oxcf->pass == 1) return rsz;
    if (cpi->resize_pending_width && cpi->resize_pending_height) {
      rsz.resize_width = cpi->resize_pending_width;
      rsz.resize_height = cpi->resize_pending_height;
      cpi->resize_pending_width = cpi->resize_pending_height = 0;
    } else {
      resize_denom = calculate_next_resize_scale(cpi);
      rsz.resize_width = cpi->oxcf.width;
      rsz.resize_height = cpi->oxcf.height;
      av1_calculate_scaled_size(&rsz.resize_width, &rsz.resize_height,
                                resize_denom);
    }
    rsz.superres_denom = calculate_next_superres_scale(cpi);
    if (!validate_size_scales(oxcf->resize_mode, oxcf->superres_mode, oxcf->width,
                              oxcf->height, &rsz))
      assert(0 && "Invalid scale parameters");
    return rsz;
  }
  
  static void setup_frame_size_from_params(AV1_COMP *cpi,
                                           const size_params_type *rsz) {
    int encode_width = rsz->resize_width;
    int encode_height = rsz->resize_height;
  
    AV1_COMMON *cm = &cpi->common;
    cm->superres_upscaled_width = encode_width;
    cm->superres_upscaled_height = encode_height;
    cm->superres_scale_denominator = rsz->superres_denom;
    av1_calculate_scaled_superres_size(&encode_width, &encode_height,
                                       rsz->superres_denom);
    av1_set_frame_size(cpi, encode_width, encode_height);
  }
  
  void av1_setup_frame_size(AV1_COMP *cpi) {
    AV1_COMMON *cm = &cpi->common;
    // Reset superres params from previous frame.
    cm->superres_scale_denominator = SCALE_NUMERATOR;
    const size_params_type rsz = calculate_next_size_params(cpi);
    setup_frame_size_from_params(cpi, &rsz);
  
    assert(av1_is_min_tile_width_satisfied(cm));
  }
  
  static void superres_post_encode(AV1_COMP *cpi) {
    AV1_COMMON *cm = &cpi->common;
    const int num_planes = av1_num_planes(cm);
  
    if (!av1_superres_scaled(cm)) return;
  
    assert(cpi->oxcf.enable_superres);
    assert(!is_lossless_requested(&cpi->oxcf));
    assert(!cm->all_lossless);
  
    av1_superres_upscale(cm, NULL);
  
    // If regular resizing is occurring the source will need to be downscaled to
    // match the upscaled superres resolution. Otherwise the original source is
    // used.
    if (!av1_resize_scaled(cm)) {
      cpi->source = cpi->unscaled_source;
      if (cpi->last_source != NULL) cpi->last_source = cpi->unscaled_last_source;
    } else {
      assert(cpi->unscaled_source->y_crop_width != cm->superres_upscaled_width);
      assert(cpi->unscaled_source->y_crop_height != cm->superres_upscaled_height);
      // Do downscale. cm->(width|height) has been updated by
      // av1_superres_upscale
      if (aom_realloc_frame_buffer(
              &cpi->scaled_source, cm->superres_upscaled_width,
              cm->superres_upscaled_height, cm->seq_params.subsampling_x,
              cm->seq_params.subsampling_y, cm->seq_params.use_highbitdepth,
              AOM_BORDER_IN_PIXELS, cm->byte_alignment, NULL, NULL, NULL))
        aom_internal_error(
            &cm->error, AOM_CODEC_MEM_ERROR,
            "Failed to reallocate scaled source buffer for superres");
      assert(cpi->scaled_source.y_crop_width == cm->superres_upscaled_width);
      assert(cpi->scaled_source.y_crop_height == cm->superres_upscaled_height);
      av1_resize_and_extend_frame(cpi->unscaled_source, &cpi->scaled_source,
                                  (int)cm->seq_params.bit_depth, num_planes);
      cpi->source = &cpi->scaled_source;
    }
  }
  
  static void loopfilter_frame(AV1_COMP *cpi, AV1_COMMON *cm) {
    const int num_planes = av1_num_planes(cm);
    MACROBLOCKD *xd = &cpi->td.mb.e_mbd;
  
    assert(IMPLIES(is_lossless_requested(&cpi->oxcf),
                   cm->coded_lossless && cm->all_lossless));
  
    const int use_loopfilter = !cm->coded_lossless && !cm->large_scale_tile;
    const int use_cdef = cm->seq_params.enable_cdef && !cm->coded_lossless &&
                         !cm->large_scale_tile;
    const int use_restoration = cm->seq_params.enable_restoration &&
                                !cm->all_lossless && !cm->large_scale_tile;
  
    struct loopfilter *lf = &cm->lf;
  
  #if CONFIG_COLLECT_COMPONENT_TIMING
    start_timing(cpi, loop_filter_time);
  #endif
    if (use_loopfilter) {
      aom_clear_system_state();
      av1_pick_filter_level(cpi->source, cpi, cpi->sf.lpf_pick);
    } else {
      lf->filter_level[0] = 0;
      lf->filter_level[1] = 0;
    }
  
    if (lf->filter_level[0] || lf->filter_level[1]) {
      if (cpi->num_workers > 1)
        av1_loop_filter_frame_mt(&cm->cur_frame->buf, cm, xd, 0, num_planes, 0,
  #if LOOP_FILTER_BITMASK
                                 0,
  #endif
                                 cpi->workers, cpi->num_workers,
                                 &cpi->lf_row_sync);
      else
        av1_loop_filter_frame(&cm->cur_frame->buf, cm, xd,
  #if LOOP_FILTER_BITMASK
                              0,
  #endif
                              0, num_planes, 0);
    }
  #if CONFIG_COLLECT_COMPONENT_TIMING
    end_timing(cpi, loop_filter_time);
  #endif
  
    if (use_restoration)
      av1_loop_restoration_save_boundary_lines(&cm->cur_frame->buf, cm, 0);
  
    if (use_cdef) {
  #if CONFIG_COLLECT_COMPONENT_TIMING
      start_timing(cpi, cdef_time);
  #endif
      // Find CDEF parameters
      av1_cdef_search(&cm->cur_frame->buf, cpi->source, cm, xd,
                      cpi->sf.fast_cdef_search);
  
      // Apply the filter
      av1_cdef_frame(&cm->cur_frame->buf, cm, xd);
  #if CONFIG_COLLECT_COMPONENT_TIMING
      end_timing(cpi, cdef_time);
  #endif
    } else {
      cm->cdef_info.cdef_bits = 0;
      cm->cdef_info.cdef_strengths[0] = 0;
      cm->cdef_info.nb_cdef_strengths = 1;
      cm->cdef_info.cdef_uv_strengths[0] = 0;
    }
  
    superres_post_encode(cpi);
  
  #if CONFIG_COLLECT_COMPONENT_TIMING
    start_timing(cpi, loop_restoration_time);
  #endif
    if (use_restoration) {
      av1_loop_restoration_save_boundary_lines(&cm->cur_frame->buf, cm, 1);
      av1_pick_filter_restoration(cpi->source, cpi);
      if (cm->rst_info[0].frame_restoration_type != RESTORE_NONE ||
          cm->rst_info[1].frame_restoration_type != RESTORE_NONE ||
          cm->rst_info[2].frame_restoration_type != RESTORE_NONE) {
        if (cpi->num_workers > 1)
          av1_loop_restoration_filter_frame_mt(&cm->cur_frame->buf, cm, 0,
                                               cpi->workers, cpi->num_workers,
                                               &cpi->lr_row_sync, &cpi->lr_ctxt);
        else
          av1_loop_restoration_filter_frame(&cm->cur_frame->buf, cm, 0,
                                            &cpi->lr_ctxt);
      }
    } else {
      cm->rst_info[0].frame_restoration_type = RESTORE_NONE;
      cm->rst_info[1].frame_restoration_type = RESTORE_NONE;
      cm->rst_info[2].frame_restoration_type = RESTORE_NONE;
    }
  #if CONFIG_COLLECT_COMPONENT_TIMING
    end_timing(cpi, loop_restoration_time);
  #endif
  }
  
  static void fix_interp_filter(InterpFilter *const interp_filter,
                                const FRAME_COUNTS *const counts) {
    if (*interp_filter == SWITCHABLE) {
      // Check to see if only one of the filters is actually used
      int count[SWITCHABLE_FILTERS] = { 0 };
      int num_filters_used = 0;
      for (int i = 0; i < SWITCHABLE_FILTERS; ++i) {
        for (int j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j)
          count[i] += counts->switchable_interp[j][i];
        num_filters_used += (count[i] > 0);
      }
      if (num_filters_used == 1) {
        // Only one filter is used. So set the filter at frame level
        for (int i = 0; i < SWITCHABLE_FILTERS; ++i) {
          if (count[i]) {
            if (i == EIGHTTAP_REGULAR) *interp_filter = i;
            break;
          }
        }
      }
    }
  }
  
  static void finalize_encoded_frame(AV1_COMP *const cpi) {
    AV1_COMMON *const cm = &cpi->common;
    CurrentFrame *const current_frame = &cm->current_frame;
  
    if (!cm->seq_params.reduced_still_picture_hdr &&
        encode_show_existing_frame(cm)) {
      RefCntBuffer *const frame_to_show =
          cm->ref_frame_map[cpi->existing_fb_idx_to_show];
  
      if (frame_to_show == NULL) {
        aom_internal_error(&cm->error, AOM_CODEC_UNSUP_BITSTREAM,
                           "Buffer does not contain a reconstructed frame");
      }
      assert(frame_to_show->ref_count > 0);
      assign_frame_buffer_p(&cm->cur_frame, frame_to_show);
    }
  
    if (!encode_show_existing_frame(cm) &&
        cm->seq_params.film_grain_params_present &&
        (cm->show_frame || cm->showable_frame)) {
      // Copy the current frame's film grain params to the its corresponding
      // RefCntBuffer slot.
      cm->cur_frame->film_grain_params = cm->film_grain_params;
  
      // We must update the parameters if this is not an INTER_FRAME
      if (current_frame->frame_type != INTER_FRAME)
        cm->cur_frame->film_grain_params.update_parameters = 1;
  
      // Iterate the random seed for the next frame.
      cm->film_grain_params.random_seed += 3381;
      if (cm->film_grain_params.random_seed == 0)
        cm->film_grain_params.random_seed = 7391;
    }
  
    // Initialise all tiles' contexts from the global frame context
    for (int tile_col = 0; tile_col < cm->tile_cols; tile_col++) {
      for (int tile_row = 0; tile_row < cm->tile_rows; tile_row++) {
        const int tile_idx = tile_row * cm->tile_cols + tile_col;
        cpi->tile_data[tile_idx].tctx = *cm->fc;
      }
    }
  
    fix_interp_filter(&cm->interp_filter, cpi->td.counts);
  }
  
  static int get_regulated_q_overshoot(AV1_COMP *const cpi, int q_low, int q_high,
                                       int top_index, int bottom_index) {
    const AV1_COMMON *const cm = &cpi->common;
    const RATE_CONTROL *const rc = &cpi->rc;
  
    av1_rc_update_rate_correction_factors(cpi, cm->width, cm->height);
  
    int q_regulated =
        av1_rc_regulate_q(cpi, rc->this_frame_target, bottom_index,
                          AOMMAX(q_high, top_index), cm->width, cm->height);
  
    int retries = 0;
    while (q_regulated < q_low && retries < 10) {
      av1_rc_update_rate_correction_factors(cpi, cm->width, cm->height);
      q_regulated =
          av1_rc_regulate_q(cpi, rc->this_frame_target, bottom_index,
                            AOMMAX(q_high, top_index), cm->width, cm->height);
      retries++;
    }
    return q_regulated;
  }
  
  static int get_regulated_q_undershoot(AV1_COMP *const cpi, int q_high,
                                        int top_index, int bottom_index) {
    const AV1_COMMON *const cm = &cpi->common;
    const RATE_CONTROL *const rc = &cpi->rc;
  
    av1_rc_update_rate_correction_factors(cpi, cm->width, cm->height);
    int q_regulated = av1_rc_regulate_q(cpi, rc->this_frame_target, bottom_index,
                                        top_index, cm->width, cm->height);
  
    int retries = 0;
    while (q_regulated > q_high && retries < 10) {
      av1_rc_update_rate_correction_factors(cpi, cm->width, cm->height);
      q_regulated = av1_rc_regulate_q(cpi, rc->this_frame_target, bottom_index,
                                      top_index, cm->width, cm->height);
      retries++;
    }
    return q_regulated;
  }
  
  // Called after encode_with_recode_loop() has just encoded a frame and packed
  // its bitstream.  This function works out whether we under- or over-shot
  // our bitrate target and adjusts q as appropriate.  Also decides whether
  // or not we should do another recode loop, indicated by *loop
  static void recode_loop_update_q(AV1_COMP *const cpi, int *const loop,
                                   int *const q, int *const q_low,
                                   int *const q_high, const int top_index,
                                   const int bottom_index,
                                   int *const undershoot_seen,
                                   int *const overshoot_seen,
                                   const int loop_at_this_size) {
    AV1_COMMON *const cm = &cpi->common;
    RATE_CONTROL *const rc = &cpi->rc;
  
    int frame_over_shoot_limit = 0, frame_under_shoot_limit = 0;
    av1_rc_compute_frame_size_bounds(cpi, rc->this_frame_target,
                                     &frame_under_shoot_limit,
                                     &frame_over_shoot_limit);
    if (frame_over_shoot_limit == 0) frame_over_shoot_limit = 1;
  
    if ((cm->current_frame.frame_type == KEY_FRAME) &&
        rc->this_key_frame_forced &&
        (rc->projected_frame_size < rc->max_frame_bandwidth)) {
      int last_q = *q;
      int64_t kf_err;
  
      int64_t high_err_target = cpi->ambient_err;
      int64_t low_err_target = cpi->ambient_err >> 1;
  
      if (cm->seq_params.use_highbitdepth) {
        kf_err = aom_highbd_get_y_sse(cpi->source, &cm->cur_frame->buf);
      } else {
        kf_err = aom_get_y_sse(cpi->source, &cm->cur_frame->buf);
      }
      // Prevent possible divide by zero error below for perfect KF
      kf_err += !kf_err;
  
      // The key frame is not good enough or we can afford
      // to make it better without undue risk of popping.
      if ((kf_err > high_err_target &&
           rc->projected_frame_size <= frame_over_shoot_limit) ||
          (kf_err > low_err_target &&
           rc->projected_frame_size <= frame_under_shoot_limit)) {
        // Lower q_high
        *q_high = *q > *q_low ? *q - 1 : *q_low;
  
        // Adjust Q
        *q = (int)((*q * high_err_target) / kf_err);
        *q = AOMMIN(*q, (*q_high + *q_low) >> 1);
      } else if (kf_err < low_err_target &&
                 rc->projected_frame_size >= frame_under_shoot_limit) {
        // The key frame is much better than the previous frame
        // Raise q_low
        *q_low = *q < *q_high ? *q + 1 : *q_high;
  
        // Adjust Q
        *q = (int)((*q * low_err_target) / kf_err);
        *q = AOMMIN(*q, (*q_high + *q_low + 1) >> 1);
      }
  
      // Clamp Q to upper and lower limits:
      *q = clamp(*q, *q_low, *q_high);
  
      *loop = *q != last_q;
    } else if (recode_loop_test(cpi, frame_over_shoot_limit,
                                frame_under_shoot_limit, *q,
                                AOMMAX(*q_high, top_index), bottom_index)) {
      // Is the projected frame size out of range and are we allowed
      // to attempt to recode.
      int last_q = *q;
  
      // Frame size out of permitted range:
      // Update correction factor & compute new Q to try...
      // Frame is too large
      if (rc->projected_frame_size > rc->this_frame_target) {
        // Special case if the projected size is > the max allowed.
        if (rc->projected_frame_size >= rc->max_frame_bandwidth)
          *q_high = rc->worst_quality;
  
        // Raise Qlow as to at least the current value
        *q_low = *q < *q_high ? *q + 1 : *q_high;
  
        if (*undershoot_seen || loop_at_this_size > 2 ||
            (loop_at_this_size == 2 && !frame_is_intra_only(cm))) {
          av1_rc_update_rate_correction_factors(cpi, cm->width, cm->height);
  
          *q = (*q_high + *q_low + 1) / 2;
        } else if (loop_at_this_size == 2 && frame_is_intra_only(cm)) {
          const int q_mid = (*q_high + *q_low + 1) / 2;
          const int q_regulated = get_regulated_q_overshoot(
              cpi, *q_low, *q_high, top_index, bottom_index);
          // Get 'q' in-between 'q_mid' and 'q_regulated' for a smooth
          // transition between loop_at_this_size < 2 and loop_at_this_size > 2.
          *q = (q_mid + q_regulated + 1) / 2;
        } else {
          *q = get_regulated_q_overshoot(cpi, *q_low, *q_high, top_index,
                                         bottom_index);
        }
  
        *overshoot_seen = 1;
      } else {
        // Frame is too small
        *q_high = *q > *q_low ? *q - 1 : *q_low;
  
        if (*overshoot_seen || loop_at_this_size > 2 ||
            (loop_at_this_size == 2 && !frame_is_intra_only(cm))) {
          av1_rc_update_rate_correction_factors(cpi, cm->width, cm->height);
          *q = (*q_high + *q_low) / 2;
        } else if (loop_at_this_size == 2 && frame_is_intra_only(cm)) {
          const int q_mid = (*q_high + *q_low) / 2;
          const int q_regulated =
              get_regulated_q_undershoot(cpi, *q_high, top_index, bottom_index);
          // Get 'q' in-between 'q_mid' and 'q_regulated' for a smooth
          // transition between loop_at_this_size < 2 and loop_at_this_size > 2.
          *q = (q_mid + q_regulated) / 2;
  
          // Special case reset for qlow for constrained quality.
          // This should only trigger where there is very substantial
          // undershoot on a frame and the auto cq level is above
          // the user passsed in value.
          if (cpi->oxcf.rc_mode == AOM_CQ && q_regulated < *q_low) {
            *q_low = *q;
          }
        } else {
          *q = get_regulated_q_undershoot(cpi, *q_high, top_index, bottom_index);
  
          // Special case reset for qlow for constrained quality.
          // This should only trigger where there is very substantial
          // undershoot on a frame and the auto cq level is above
          // the user passsed in value.
          if (cpi->oxcf.rc_mode == AOM_CQ && *q < *q_low) {
            *q_low = *q;
          }
        }
  
        *undershoot_seen = 1;
      }
  
      // Clamp Q to upper and lower limits:
      *q = clamp(*q, *q_low, *q_high);
  
      *loop = (*q != last_q);
    } else {
      *loop = 0;
    }
  }
  
  static int encode_with_recode_loop(AV1_COMP *cpi, size_t *size, uint8_t *dest) {
    AV1_COMMON *const cm = &cpi->common;
    RATE_CONTROL *const rc = &cpi->rc;
    const int allow_recode = cpi->sf.recode_loop != DISALLOW_RECODE;
  
    set_size_independent_vars(cpi);
  
    cpi->source->buf_8bit_valid = 0;
  
    av1_setup_frame_size(cpi);
  
    int top_index = 0, bottom_index = 0;
    int q = 0, q_low = 0, q_high = 0;
    set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
    q_low = bottom_index;
    q_high = top_index;
  
    // Loop variables
    int loop_count = 0;
    int loop_at_this_size = 0;
    int loop = 0;
    int overshoot_seen = 0;
    int undershoot_seen = 0;
  
  #if CONFIG_COLLECT_COMPONENT_TIMING
    printf("\n Encoding a frame:");
  #endif
    do {
      aom_clear_system_state();
  
      // if frame was scaled calculate global_motion_search again if already
      // done
      if (loop_count > 0 && cpi->source && cpi->global_motion_search_done) {
        if (cpi->source->y_crop_width != cm->width ||
            cpi->source->y_crop_height != cm->height) {
          cpi->global_motion_search_done = 0;
        }
      }
      cpi->source =
          av1_scale_if_required(cm, cpi->unscaled_source, &cpi->scaled_source);
      if (cpi->unscaled_last_source != NULL) {
        cpi->last_source = av1_scale_if_required(cm, cpi->unscaled_last_source,
                                                 &cpi->scaled_last_source);
      }
  
      if (!frame_is_intra_only(cm)) {
        if (loop_count > 0) {
          release_scaled_references(cpi);
        }
        scale_references(cpi);
      }
      av1_set_quantizer(cm, q);
      av1_init_quantizer(cpi);
  
      av1_set_variance_partition_thresholds(cpi, q, 0);
  
      // printf("Frame %d/%d: q = %d, frame_type = %d superres_denom = %d\n",
      //        cm->current_frame.frame_number, cm->show_frame, q,
      //        cm->current_frame.frame_type, cm->superres_scale_denominator);
  
      if (loop_count == 0) {
        setup_frame(cpi);
      } else if (get_primary_ref_frame_buf(cm) == NULL) {
        // Base q-index may have changed, so we need to assign proper default coef
        // probs before every iteration.
        av1_default_coef_probs(cm);
        av1_setup_frame_contexts(cm);
      }
  
      if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
        av1_vaq_frame_setup(cpi);
      } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
        av1_setup_in_frame_q_adj(cpi);
      } else if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && !allow_recode) {
        suppress_active_map(cpi);
        av1_cyclic_refresh_setup(cpi);
        apply_active_map(cpi);
      }
  
      if (cm->seg.enabled) {
        if (!cm->seg.update_data && cm->prev_frame) {
          segfeatures_copy(&cm->seg, &cm->prev_frame->seg);
        } else {
          av1_calculate_segdata(&cm->seg);
        }
      } else {
        memset(&cm->seg, 0, sizeof(cm->seg));
      }
      segfeatures_copy(&cm->cur_frame->seg, &cm->seg);
  
      if (allow_recode) save_coding_context(cpi);
  #if CONFIG_COLLECT_COMPONENT_TIMING
      start_timing(cpi, av1_encode_frame_time);
  #endif
      // transform / motion compensation build reconstruction frame
      av1_encode_frame(cpi);
  #if CONFIG_COLLECT_COMPONENT_TIMING
      end_timing(cpi, av1_encode_frame_time);
  #endif
  
      aom_clear_system_state();
  
      // Dummy pack of the bitstream using up to date stats to get an
      // accurate estimate of output frame size to determine if we need
      // to recode.
      if (cpi->sf.recode_loop >= ALLOW_RECODE_KFARFGF) {
        restore_coding_context(cpi);
  
        finalize_encoded_frame(cpi);
        int largest_tile_id = 0;  // Output from bitstream: unused here
        if (av1_pack_bitstream(cpi, dest, size, &largest_tile_id) != AOM_CODEC_OK)
          return AOM_CODEC_ERROR;
  
        rc->projected_frame_size = (int)(*size) << 3;
        restore_coding_context(cpi);
      }
  
      if (allow_recode && cpi->oxcf.rc_mode != AOM_Q) {
        // Update q and decide whether to do a recode loop
        recode_loop_update_q(cpi, &loop, &q, &q_low, &q_high, top_index,
                             bottom_index, &undershoot_seen, &overshoot_seen,
                             loop_at_this_size);
      }
  
      // Special case for overlay frame.
      if (rc->is_src_frame_alt_ref &&
          rc->projected_frame_size < rc->max_frame_bandwidth)
        loop = 0;
  
      if (allow_recode && !cpi->sf.gm_disable_recode &&
          recode_loop_test_global_motion(cpi)) {
        loop = 1;
      }
  
      if (loop) {
        ++loop_count;
        ++loop_at_this_size;
  
  #if CONFIG_INTERNAL_STATS
        ++cpi->tot_recode_hits;
  #endif
      }
  #if CONFIG_COLLECT_COMPONENT_TIMING
      if (loop) printf("\n Recoding:");
  #endif
    } while (loop);
  
    return AOM_CODEC_OK;
  }
  
  #define DUMP_RECON_FRAMES 0
  
  #if DUMP_RECON_FRAMES == 1
  // NOTE(zoeliu): For debug - Output the filtered reconstructed video.
  static void dump_filtered_recon_frames(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    const CurrentFrame *const current_frame = &cm->current_frame;
    const YV12_BUFFER_CONFIG *recon_buf = &cm->cur_frame->buf;
  
    if (recon_buf == NULL) {
      printf("Frame %d is not ready.\n", current_frame->frame_number);
      return;
    }
  
    static const int flag_list[REF_FRAMES] = { 0,
                                               AOM_LAST_FLAG,
                                               AOM_LAST2_FLAG,
                                               AOM_LAST3_FLAG,
                                               AOM_GOLD_FLAG,
                                               AOM_BWD_FLAG,
                                               AOM_ALT2_FLAG,
                                               AOM_ALT_FLAG };
    printf(
        "\n***Frame=%d (frame_offset=%d, show_frame=%d, "
        "show_existing_frame=%d) "
        "[LAST LAST2 LAST3 GOLDEN BWD ALT2 ALT]=[",
        current_frame->frame_number, current_frame->order_hint, cm->show_frame,
        cm->show_existing_frame);
    for (int ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
      const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
      const int ref_offset = buf != NULL ? (int)buf->order_hint : -1;
      printf(" %d(%c)", ref_offset,
             (cpi->ref_frame_flags & flag_list[ref_frame]) ? 'Y' : 'N');
    }
    printf(" ]\n");
  
    if (!cm->show_frame) {
      printf("Frame %d is a no show frame, so no image dump.\n",
             current_frame->frame_number);
      return;
    }
  
    int h;
    char file_name[256] = "/tmp/enc_filtered_recon.yuv";
    FILE *f_recon = NULL;
  
    if (current_frame->frame_number == 0) {
      if ((f_recon = fopen(file_name, "wb")) == NULL) {
        printf("Unable to open file %s to write.\n", file_name);
        return;
      }
    } else {
      if ((f_recon = fopen(file_name, "ab")) == NULL) {
        printf("Unable to open file %s to append.\n", file_name);
        return;
      }
    }
    printf(
        "\nFrame=%5d, encode_update_type[%5d]=%1d, frame_offset=%d, "
        "show_frame=%d, show_existing_frame=%d, source_alt_ref_active=%d, "
        "refresh_alt_ref_frame=%d, "
        "y_stride=%4d, uv_stride=%4d, cm->width=%4d, cm->height=%4d\n\n",
        current_frame->frame_number, cpi->twopass.gf_group.index,
        cpi->twopass.gf_group.update_type[cpi->twopass.gf_group.index],
        current_frame->order_hint, cm->show_frame, cm->show_existing_frame,
        cpi->rc.source_alt_ref_active, cpi->refresh_alt_ref_frame,
        recon_buf->y_stride, recon_buf->uv_stride, cm->width, cm->height);
  #if 0
    int ref_frame;
    printf("get_ref_frame_map_idx: [");
    for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame)
      printf(" %d", get_ref_frame_map_idx(cm, ref_frame));
    printf(" ]\n");
  #endif  // 0
  
    // --- Y ---
    for (h = 0; h < cm->height; ++h) {
      fwrite(&recon_buf->y_buffer[h * recon_buf->y_stride], 1, cm->width,
             f_recon);
    }
    // --- U ---
    for (h = 0; h < (cm->height >> 1); ++h) {
      fwrite(&recon_buf->u_buffer[h * recon_buf->uv_stride], 1, (cm->width >> 1),
             f_recon);
    }
    // --- V ---
    for (h = 0; h < (cm->height >> 1); ++h) {
      fwrite(&recon_buf->v_buffer[h * recon_buf->uv_stride], 1, (cm->width >> 1),
             f_recon);
    }
  
    fclose(f_recon);
  }
  #endif  // DUMP_RECON_FRAMES
  
  static int get_interp_filter_selected(const AV1_COMMON *const cm,
                                        MV_REFERENCE_FRAME ref,
                                        InterpFilters ifilter) {
    const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref);
    if (buf == NULL) return 0;
    return buf->interp_filter_selected[ifilter];
  }
  
  static int setup_interp_filter_search_mask(AV1_COMP *cpi) {
    const AV1_COMMON *const cm = &cpi->common;
    int ref_total[REF_FRAMES] = { 0 };
  
    if (cpi->common.last_frame_type == KEY_FRAME || cpi->refresh_alt_ref_frame)
      return 0;
  
    for (MV_REFERENCE_FRAME ref = LAST_FRAME; ref <= ALTREF_FRAME; ++ref) {
      for (InterpFilters ifilter = EIGHTTAP_REGULAR; ifilter <= MULTITAP_SHARP;
           ++ifilter) {
        ref_total[ref] += get_interp_filter_selected(cm, ref, ifilter);
      }
    }
    int ref_total_total = (ref_total[LAST2_FRAME] + ref_total[LAST3_FRAME] +
                           ref_total[GOLDEN_FRAME] + ref_total[BWDREF_FRAME] +
                           ref_total[ALTREF2_FRAME] + ref_total[ALTREF_FRAME]);
  
    int mask = 0;
    for (InterpFilters ifilter = EIGHTTAP_REGULAR; ifilter <= MULTITAP_SHARP;
         ++ifilter) {
      int last_score = get_interp_filter_selected(cm, LAST_FRAME, ifilter) * 30;
      if (ref_total[LAST_FRAME] && last_score <= ref_total[LAST_FRAME]) {
        int filter_score =
            get_interp_filter_selected(cm, LAST2_FRAME, ifilter) * 20 +
            get_interp_filter_selected(cm, LAST3_FRAME, ifilter) * 20 +
            get_interp_filter_selected(cm, GOLDEN_FRAME, ifilter) * 20 +
            get_interp_filter_selected(cm, BWDREF_FRAME, ifilter) * 10 +
            get_interp_filter_selected(cm, ALTREF2_FRAME, ifilter) * 10 +
            get_interp_filter_selected(cm, ALTREF_FRAME, ifilter) * 10;
        if (filter_score < ref_total_total) mask |= 1 << ifilter;
      }
    }
    return mask;
  }
  
  static int is_integer_mv(AV1_COMP *cpi, const YV12_BUFFER_CONFIG *cur_picture,
                           const YV12_BUFFER_CONFIG *last_picture,
                           hash_table *last_hash_table) {
    aom_clear_system_state();
    // check use hash ME
    int k;
    uint32_t hash_value_1;
    uint32_t hash_value_2;
  
    const int block_size = 8;
    const double threshold_current = 0.8;
    const double threshold_average = 0.95;
    const int max_history_size = 32;
    int T = 0;  // total block
    int C = 0;  // match with collocated block
    int S = 0;  // smooth region but not match with collocated block
    int M = 0;  // match with other block
  
    const int pic_width = cur_picture->y_width;
    const int pic_height = cur_picture->y_height;
    for (int i = 0; i + block_size <= pic_height; i += block_size) {
      for (int j = 0; j + block_size <= pic_width; j += block_size) {
        const int x_pos = j;
        const int y_pos = i;
        int match = 1;
        T++;
  
        // check whether collocated block match with current
        uint8_t *p_cur = cur_picture->y_buffer;
        uint8_t *p_ref = last_picture->y_buffer;
        int stride_cur = cur_picture->y_stride;
        int stride_ref = last_picture->y_stride;
        p_cur += (y_pos * stride_cur + x_pos);
        p_ref += (y_pos * stride_ref + x_pos);
  
        if (cur_picture->flags & YV12_FLAG_HIGHBITDEPTH) {
          uint16_t *p16_cur = CONVERT_TO_SHORTPTR(p_cur);
          uint16_t *p16_ref = CONVERT_TO_SHORTPTR(p_ref);
          for (int tmpY = 0; tmpY < block_size && match; tmpY++) {
            for (int tmpX = 0; tmpX < block_size && match; tmpX++) {
              if (p16_cur[tmpX] != p16_ref[tmpX]) {
                match = 0;
              }
            }
            p16_cur += stride_cur;
            p16_ref += stride_ref;
          }
        } else {
          for (int tmpY = 0; tmpY < block_size && match; tmpY++) {
            for (int tmpX = 0; tmpX < block_size && match; tmpX++) {
              if (p_cur[tmpX] != p_ref[tmpX]) {
                match = 0;
              }
            }
            p_cur += stride_cur;
            p_ref += stride_ref;
          }
        }
  
        if (match) {
          C++;
          continue;
        }
  
        if (av1_hash_is_horizontal_perfect(cur_picture, block_size, x_pos,
                                           y_pos) ||
            av1_hash_is_vertical_perfect(cur_picture, block_size, x_pos, y_pos)) {
          S++;
          continue;
        }
  
        av1_get_block_hash_value(
            cur_picture->y_buffer + y_pos * stride_cur + x_pos, stride_cur,
            block_size, &hash_value_1, &hash_value_2,
            (cur_picture->flags & YV12_FLAG_HIGHBITDEPTH), &cpi->td.mb);
        // Hashing does not work for highbitdepth currently.
        // TODO(Roger): Make it work for highbitdepth.
        if (av1_use_hash_me(&cpi->common)) {
          if (av1_has_exact_match(last_hash_table, hash_value_1, hash_value_2)) {
            M++;
          }
        }
      }
    }
  
    assert(T > 0);
    double csm_rate = ((double)(C + S + M)) / ((double)(T));
    double m_rate = ((double)(M)) / ((double)(T));
  
    cpi->csm_rate_array[cpi->rate_index] = csm_rate;
    cpi->m_rate_array[cpi->rate_index] = m_rate;
  
    cpi->rate_index = (cpi->rate_index + 1) % max_history_size;
    cpi->rate_size++;
    cpi->rate_size = AOMMIN(cpi->rate_size, max_history_size);
  
    if (csm_rate < threshold_current) {
      return 0;
    }
  
    if (C == T) {
      return 1;
    }
  
    double csm_average = 0.0;
    double m_average = 0.0;
  
    for (k = 0; k < cpi->rate_size; k++) {
      csm_average += cpi->csm_rate_array[k];
      m_average += cpi->m_rate_array[k];
    }
    csm_average /= cpi->rate_size;
    m_average /= cpi->rate_size;
  
    if (csm_average < threshold_average) {
      return 0;
    }
  
    if (M > (T - C - S) / 3) {
      return 1;
    }
  
    if (csm_rate > 0.99 && m_rate > 0.01) {
      return 1;
    }
  
    if (csm_average + m_average > 1.01) {
      return 1;
    }
  
    return 0;
  }
  
  // Refresh reference frame buffers according to refresh_frame_flags.
  static void refresh_reference_frames(AV1_COMP *cpi) {
    AV1_COMMON *const cm = &cpi->common;
    // All buffers are refreshed for shown keyframes and S-frames.
  
    for (int ref_frame = 0; ref_frame < REF_FRAMES; ref_frame++) {
      if (((cm->current_frame.refresh_frame_flags >> ref_frame) & 1) == 1) {
        assign_frame_buffer_p(&cm->ref_frame_map[ref_frame], cm->cur_frame);
      }
    }
  }
  
  static int encode_frame_to_data_rate(AV1_COMP *cpi, size_t *size,
                                       uint8_t *dest) {
    AV1_COMMON *const cm = &cpi->common;
    SequenceHeader *const seq_params = &cm->seq_params;
    CurrentFrame *const current_frame = &cm->current_frame;
    const AV1EncoderConfig *const oxcf = &cpi->oxcf;
    struct segmentation *const seg = &cm->seg;
  
  #if CONFIG_COLLECT_COMPONENT_TIMING
    start_timing(cpi, encode_frame_to_data_rate_time);
  #endif
  
    // frame type has been decided outside of this function call
    cm->cur_frame->frame_type = current_frame->frame_type;
  
    cm->large_scale_tile = cpi->oxcf.large_scale_tile;
    cm->single_tile_decoding = cpi->oxcf.single_tile_decoding;
  
    cm->allow_ref_frame_mvs &= frame_might_allow_ref_frame_mvs(cm);
    // cm->allow_ref_frame_mvs needs to be written into the frame header while
    // cm->large_scale_tile is 1, therefore, "cm->large_scale_tile=1" case is
    // separated from frame_might_allow_ref_frame_mvs().
    cm->allow_ref_frame_mvs &= !cm->large_scale_tile;
  
    cm->allow_warped_motion =
        cpi->oxcf.allow_warped_motion && frame_might_allow_warped_motion(cm);
  
    cm->last_frame_type = current_frame->frame_type;
    if (cpi->oxcf.pass == 2 && cpi->sf.adaptive_interp_filter_search)
      cpi->sf.interp_filter_search_mask = setup_interp_filter_search_mask(cpi);
  
    cpi->two_pass_partition_search = cpi->sf.two_pass_partition_search &&
                                     !cpi->partition_search_skippable_frame;
  
    if (encode_show_existing_frame(cm)) {
      restore_coding_context(cpi);
  
      finalize_encoded_frame(cpi);
      // Build the bitstream
      int largest_tile_id = 0;  // Output from bitstream: unused here
      if (av1_pack_bitstream(cpi, dest, size, &largest_tile_id) != AOM_CODEC_OK)
        return AOM_CODEC_ERROR;
  
      if (seq_params->frame_id_numbers_present_flag &&
          current_frame->frame_type == KEY_FRAME) {
        // Displaying a forward key-frame, so reset the ref buffer IDs
        int display_frame_id = cm->ref_frame_id[cpi->existing_fb_idx_to_show];
        for (int i = 0; i < REF_FRAMES; i++)
          cm->ref_frame_id[i] = display_frame_id;
      }
  
      cpi->seq_params_locked = 1;
  
  #if DUMP_RECON_FRAMES == 1
      // NOTE(zoeliu): For debug - Output the filtered reconstructed video.
      dump_filtered_recon_frames(cpi);
  #endif  // DUMP_RECON_FRAMES
  
      // NOTE: Save the new show frame buffer index for --test-code=warn, i.e.,
      //       for the purpose to verify no mismatch between encoder and decoder.
      if (cm->show_frame) cpi->last_show_frame_buf = cm->cur_frame;
  
      refresh_reference_frames(cpi);
  
      // Since we allocate a spot for the OVERLAY frame in the gf group, we need
      // to do post-encoding update accordingly.
      if (cpi->rc.is_src_frame_alt_ref) {
        av1_set_target_rate(cpi, cm->width, cm->height);
        av1_rc_postencode_update(cpi, *size);
      }
  
      ++current_frame->frame_number;
  
      return AOM_CODEC_OK;
    }
  
    // Work out whether to force_integer_mv this frame
    if (oxcf->pass != 1 && cpi->common.allow_screen_content_tools &&
        !frame_is_intra_only(cm)) {
      if (cpi->common.seq_params.force_integer_mv == 2) {
        // Adaptive mode: see what previous frame encoded did
        if (cpi->unscaled_last_source != NULL) {
          cm->cur_frame_force_integer_mv =
              is_integer_mv(cpi, cpi->source, cpi->unscaled_last_source,
                            cpi->previous_hash_table);
        } else {
          cpi->common.cur_frame_force_integer_mv = 0;
        }
      } else {
        cpi->common.cur_frame_force_integer_mv =
            cpi->common.seq_params.force_integer_mv;
      }
    } else {
      cpi->common.cur_frame_force_integer_mv = 0;
    }
  
    // Set default state for segment based loop filter update flags.
    cm->lf.mode_ref_delta_update = 0;
  
    // Set various flags etc to special state if it is a key frame.
    if (frame_is_intra_only(cm) || frame_is_sframe(cm)) {
      // Reset the loop filter deltas and segmentation map.
      av1_reset_segment_features(cm);
  
      // If segmentation is enabled force a map update for key frames.
      if (seg->enabled) {
        seg->update_map = 1;
        seg->update_data = 1;
      }
  
      // The alternate reference frame cannot be active for a key frame.
      cpi->rc.source_alt_ref_active = 0;
    }
    if (cpi->oxcf.mtu == 0) {
      cm->num_tg = cpi->oxcf.num_tile_groups;
    } else {
      // Use a default value for the purposes of weighting costs in probability
      // updates
      cm->num_tg = DEFAULT_MAX_NUM_TG;
    }
  
    // For 1 pass CBR, check if we are dropping this frame.
    // Never drop on key frame.
    if (oxcf->pass == 0 && oxcf->rc_mode == AOM_CBR &&
        current_frame->frame_type != KEY_FRAME) {
      if (av1_rc_drop_frame(cpi)) {
        av1_rc_postencode_update_drop_frame(cpi);
        release_scaled_references(cpi);
        return AOM_CODEC_OK;
      }
    }
  
    aom_clear_system_state();
  
  #if CONFIG_INTERNAL_STATS
    memset(cpi->mode_chosen_counts, 0,
           MAX_MODES * sizeof(*cpi->mode_chosen_counts));
  #endif
  
    if (seq_params->frame_id_numbers_present_flag) {
      /* Non-normative definition of current_frame_id ("frame counter" with
       * wraparound) */
      if (cm->current_frame_id == -1) {
        int lsb, msb;
        /* quasi-random initialization of current_frame_id for a key frame */
        if (cpi->source->flags & YV12_FLAG_HIGHBITDEPTH) {
          lsb = CONVERT_TO_SHORTPTR(cpi->source->y_buffer)[0] & 0xff;
          msb = CONVERT_TO_SHORTPTR(cpi->source->y_buffer)[1] & 0xff;
        } else {
          lsb = cpi->source->y_buffer[0] & 0xff;
          msb = cpi->source->y_buffer[1] & 0xff;
        }
        cm->current_frame_id =
            ((msb << 8) + lsb) % (1 << seq_params->frame_id_length);
  
        // S_frame is meant for stitching different streams of different
        // resolutions together, so current_frame_id must be the
        // same across different streams of the same content current_frame_id
        // should be the same and not random. 0x37 is a chosen number as start
        // point
        if (cpi->oxcf.sframe_enabled) cm->current_frame_id = 0x37;
      } else {
        cm->current_frame_id =
            (cm->current_frame_id + 1 + (1 << seq_params->frame_id_length)) %
            (1 << seq_params->frame_id_length);
      }
    }
  
    switch (cpi->oxcf.cdf_update_mode) {
      case 0:  // No CDF update for any frames(4~6% compression loss).
        cm->disable_cdf_update = 1;
        break;
      case 1:  // Enable CDF update for all frames.
        cm->disable_cdf_update = 0;
        break;
      case 2:
        // Strategically determine at which frames to do CDF update.
        // Currently only enable CDF update for all-intra and no-show frames(1.5%
        // compression loss).
        // TODO(huisu@google.com): design schemes for various trade-offs between
        // compression quality and decoding speed.
        cm->disable_cdf_update =
            (frame_is_intra_only(cm) || !cm->show_frame) ? 0 : 1;
        break;
    }
    cm->timing_info_present &= !seq_params->reduced_still_picture_hdr;
  
  #if CONFIG_COLLECT_COMPONENT_TIMING
    start_timing(cpi, encode_with_recode_loop_time);
  #endif
    if (encode_with_recode_loop(cpi, size, dest) != AOM_CODEC_OK)
      return AOM_CODEC_ERROR;
  #if CONFIG_COLLECT_COMPONENT_TIMING
    end_timing(cpi, encode_with_recode_loop_time);
  #endif
  
  #ifdef OUTPUT_YUV_SKINMAP
    if (cpi->common.current_frame.frame_number > 1) {
      av1_compute_skin_map(cpi, yuv_skinmap_file);
    }
  #endif  // OUTPUT_YUV_SKINMAP
  
    // Special case code to reduce pulsing when key frames are forced at a
    // fixed interval. Note the reconstruction error if it is the frame before
    // the force key frame
    if (cpi->rc.next_key_frame_forced && cpi->rc.frames_to_key == 1) {
      if (seq_params->use_highbitdepth) {
        cpi->ambient_err = aom_highbd_get_y_sse(cpi->source, &cm->cur_frame->buf);
      } else {
        cpi->ambient_err = aom_get_y_sse(cpi->source, &cm->cur_frame->buf);
      }
    }
  
    cm->cur_frame->buf.color_primaries = seq_params->color_primaries;
    cm->cur_frame->buf.transfer_characteristics =
        seq_params->transfer_characteristics;
    cm->cur_frame->buf.matrix_coefficients = seq_params->matrix_coefficients;
    cm->cur_frame->buf.monochrome = seq_params->monochrome;
    cm->cur_frame->buf.chroma_sample_position =
        seq_params->chroma_sample_position;
    cm->cur_frame->buf.color_range = seq_params->color_range;
    cm->cur_frame->buf.render_width = cm->render_width;
    cm->cur_frame->buf.render_height = cm->render_height;
  
    // TODO(zoeliu): For non-ref frames, loop filtering may need to be turned
    // off.
  
    // Pick the loop filter level for the frame.
    if (!cm->allow_intrabc) {
      loopfilter_frame(cpi, cm);
    } else {
      cm->lf.filter_level[0] = 0;
      cm->lf.filter_level[1] = 0;
      cm->cdef_info.cdef_bits = 0;
      cm->cdef_info.cdef_strengths[0] = 0;
      cm->cdef_info.nb_cdef_strengths = 1;
      cm->cdef_info.cdef_uv_strengths[0] = 0;
      cm->rst_info[0].frame_restoration_type = RESTORE_NONE;
      cm->rst_info[1].frame_restoration_type = RESTORE_NONE;
      cm->rst_info[2].frame_restoration_type = RESTORE_NONE;
    }
  
    // TODO(debargha): Fix mv search range on encoder side
    // aom_extend_frame_inner_borders(&cm->cur_frame->buf, av1_num_planes(cm));
    aom_extend_frame_borders(&cm->cur_frame->buf, av1_num_planes(cm));
  
  #ifdef OUTPUT_YUV_REC
    aom_write_one_yuv_frame(cm, &cm->cur_frame->buf);
  #endif
  
    finalize_encoded_frame(cpi);
    // Build the bitstream
    int largest_tile_id = 0;  // Output from pack_bitstream
  #if CONFIG_COLLECT_COMPONENT_TIMING
    start_timing(cpi, av1_pack_bitstream_final_time);
  #endif
    if (av1_pack_bitstream(cpi, dest, size, &largest_tile_id) != AOM_CODEC_OK)
      return AOM_CODEC_ERROR;
  #if CONFIG_COLLECT_COMPONENT_TIMING
    end_timing(cpi, av1_pack_bitstream_final_time);
  #endif
  
    cpi->seq_params_locked = 1;
  
    // Update reference frame ids for reference frames this frame will overwrite
    if (seq_params->frame_id_numbers_present_flag) {
      for (int i = 0; i < REF_FRAMES; i++) {
        if ((current_frame->refresh_frame_flags >> i) & 1) {
          cm->ref_frame_id[i] = cm->current_frame_id;
        }
      }
    }
  
  #if DUMP_RECON_FRAMES == 1
    // NOTE(zoeliu): For debug - Output the filtered reconstructed video.
    dump_filtered_recon_frames(cpi);
  #endif  // DUMP_RECON_FRAMES
  
    if (cm->seg.enabled) {
      if (cm->seg.update_map) {
        update_reference_segmentation_map(cpi);
      } else if (cm->last_frame_seg_map) {
        memcpy(cm->cur_frame->seg_map, cm->last_frame_seg_map,
               cm->mi_cols * cm->mi_rows * sizeof(uint8_t));
      }
    }
  
    if (frame_is_intra_only(cm) == 0) {
      release_scaled_references(cpi);
    }
  
    // NOTE: Save the new show frame buffer index for --test-code=warn, i.e.,
    //       for the purpose to verify no mismatch between encoder and decoder.
    if (cm->show_frame) cpi->last_show_frame_buf = cm->cur_frame;
  
    refresh_reference_frames(cpi);
  
  #if CONFIG_ENTROPY_STATS
    av1_accumulate_frame_counts(&aggregate_fc, &cpi->counts);
  #endif  // CONFIG_ENTROPY_STATS
  
    if (cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
      *cm->fc = cpi->tile_data[largest_tile_id].tctx;
      av1_reset_cdf_symbol_counters(cm->fc);
    }
    if (!cm->large_scale_tile) {
      cm->cur_frame->frame_context = *cm->fc;
    }
  #define EXT_TILE_DEBUG 0
  #if EXT_TILE_DEBUG
    if (cm->large_scale_tile && oxcf->pass == 2) {
      char fn[20] = "./fc";
      fn[4] = current_frame->frame_number / 100 + '0';
      fn[5] = (current_frame->frame_number % 100) / 10 + '0';
      fn[6] = (current_frame->frame_number % 10) + '0';
      fn[7] = '\0';
      av1_print_frame_contexts(cm->fc, fn);
    }
  #endif  // EXT_TILE_DEBUG
  #undef EXT_TILE_DEBUG
  
  #if CONFIG_COLLECT_COMPONENT_TIMING
    end_timing(cpi, encode_frame_to_data_rate_time);
  
    // Print out timing information.
    int i;
    fprintf(stderr, "\n Frame number: %d, Frame type: %s, Show Frame: %d\n",
            cm->current_frame.frame_number,
            get_frame_type_enum(cm->current_frame.frame_type), cm->show_frame);
    for (i = 0; i < kTimingComponents; i++) {
      cpi->component_time[i] += cpi->frame_component_time[i];
      fprintf(stderr, " %s:  %" PRId64 " us (total: %" PRId64 " us)\n",
              get_component_name(i), cpi->frame_component_time[i],
              cpi->component_time[i]);
      cpi->frame_component_time[i] = 0;
    }
  #endif
  
    cm->last_frame_type = current_frame->frame_type;
  
    av1_rc_postencode_update(cpi, *size);
  
    // Store encoded frame's hash table for is_integer_mv() next time
    if (oxcf->pass != 1 && cpi->common.allow_screen_content_tools) {
      cpi->previous_hash_table = &cm->cur_frame->hash_table;
    }
  
    // Clear the one shot update flags for segmentation map and mode/ref loop
    // filter deltas.
    cm->seg.update_map = 0;
    cm->seg.update_data = 0;
    cm->lf.mode_ref_delta_update = 0;
  
    // A droppable frame might not be shown but it always
    // takes a space in the gf group. Therefore, even when
    // it is not shown, we still need update the count down.
  
    if (cm->show_frame) {
      // TODO(zoeliu): We may only swamp mi and prev_mi for those frames that
      // are
      // being used as reference.
      swap_mi_and_prev_mi(cm);
      // Don't increment frame counters if this was an altref buffer
      // update not a real frame
  
      ++current_frame->frame_number;
    }
  
    return AOM_CODEC_OK;
  }
  
  int av1_encode(AV1_COMP *const cpi, uint8_t *const dest,
                 const EncodeFrameInput *const frame_input,
                 const EncodeFrameParams *const frame_params,
                 EncodeFrameResults *const frame_results) {
    AV1_COMMON *const cm = &cpi->common;
    CurrentFrame *const current_frame = &cm->current_frame;
  
    cpi->unscaled_source = frame_input->source;
    cpi->source = frame_input->source;
    cpi->unscaled_last_source = frame_input->last_source;
  
    current_frame->refresh_frame_flags = frame_params->refresh_frame_flags;
    cm->error_resilient_mode = frame_params->error_resilient_mode;
    cm->primary_ref_frame = frame_params->primary_ref_frame;
    cm->current_frame.frame_type = frame_params->frame_type;
    cm->show_frame = frame_params->show_frame;
    cpi->ref_frame_flags = frame_params->ref_frame_flags;
    cpi->speed = frame_params->speed;
    cm->show_existing_frame = frame_params->show_existing_frame;
    cpi->existing_fb_idx_to_show = frame_params->existing_fb_idx_to_show;
  
    memcpy(cm->remapped_ref_idx, frame_params->remapped_ref_idx,
           REF_FRAMES * sizeof(*cm->remapped_ref_idx));
  
    cpi->refresh_last_frame = frame_params->refresh_last_frame;
    cpi->refresh_golden_frame = frame_params->refresh_golden_frame;
    cpi->refresh_bwd_ref_frame = frame_params->refresh_bwd_ref_frame;
    cpi->refresh_alt2_ref_frame = frame_params->refresh_alt2_ref_frame;
    cpi->refresh_alt_ref_frame = frame_params->refresh_alt_ref_frame;
  
    if (current_frame->frame_type == KEY_FRAME && cm->show_frame)
      current_frame->frame_number = 0;
  
    if (cm->show_existing_frame) {
      current_frame->order_hint = cm->cur_frame->order_hint;
    } else {
      current_frame->order_hint =
          current_frame->frame_number + frame_params->order_offset;
      current_frame->order_hint %=
          (1 << (cm->seq_params.order_hint_info.order_hint_bits_minus_1 + 1));
    }
  
    if (cpi->oxcf.pass == 1) {
      av1_first_pass(cpi, frame_input->ts_duration);
    } else if (cpi->oxcf.pass == 0 || cpi->oxcf.pass == 2) {
      if (encode_frame_to_data_rate(cpi, &frame_results->size, dest) !=
          AOM_CODEC_OK) {
        return AOM_CODEC_ERROR;
      }
    } else {
      return AOM_CODEC_ERROR;
    }
  
    return AOM_CODEC_OK;
  }
  
  #if CONFIG_DENOISE
  static int apply_denoise_2d(AV1_COMP *cpi, YV12_BUFFER_CONFIG *sd,
                              int block_size, float noise_level,
                              int64_t time_stamp, int64_t end_time) {
    AV1_COMMON *const cm = &cpi->common;
    if (!cpi->denoise_and_model) {
      cpi->denoise_and_model = aom_denoise_and_model_alloc(
          cm->seq_params.bit_depth, block_size, noise_level);
      if (!cpi->denoise_and_model) {
        aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                           "Error allocating denoise and model");
        return -1;
      }
    }
    if (!cpi->film_grain_table) {
      cpi->film_grain_table = aom_malloc(sizeof(*cpi->film_grain_table));
      if (!cpi->film_grain_table) {
        aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
                           "Error allocating grain table");
        return -1;
      }
      memset(cpi->film_grain_table, 0, sizeof(*cpi->film_grain_table));
    }
    if (aom_denoise_and_model_run(cpi->denoise_and_model, sd,
                                  &cm->film_grain_params)) {
      if (cm->film_grain_params.apply_grain) {
        aom_film_grain_table_append(cpi->film_grain_table, time_stamp, end_time,
                                    &cm->film_grain_params);
      }
    }
    return 0;
  }
  #endif
  
  int av1_receive_raw_frame(AV1_COMP *cpi, aom_enc_frame_flags_t frame_flags,
                            YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
                            int64_t end_time) {
    AV1_COMMON *const cm = &cpi->common;
    const SequenceHeader *const seq_params = &cm->seq_params;
    int res = 0;
    const int subsampling_x = sd->subsampling_x;
    const int subsampling_y = sd->subsampling_y;
    const int use_highbitdepth = (sd->flags & YV12_FLAG_HIGHBITDEPTH) != 0;
  
    check_initial_width(cpi, use_highbitdepth, subsampling_x, subsampling_y);
  
  #if CONFIG_INTERNAL_STATS
    struct aom_usec_timer timer;
    aom_usec_timer_start(&timer);
  #endif
  #if CONFIG_DENOISE
    if (cpi->oxcf.noise_level > 0)
      if (apply_denoise_2d(cpi, sd, cpi->oxcf.noise_block_size,
                           cpi->oxcf.noise_level, time_stamp, end_time) < 0)
        res = -1;
  #endif  //  CONFIG_DENOISE
  
    if (av1_lookahead_push(cpi->lookahead, sd, time_stamp, end_time,
                           use_highbitdepth, frame_flags))
      res = -1;
  #if CONFIG_INTERNAL_STATS
    aom_usec_timer_mark(&timer);
    cpi->time_receive_data += aom_usec_timer_elapsed(&timer);
  #endif
    if ((seq_params->profile == PROFILE_0) && !seq_params->monochrome &&
        (subsampling_x != 1 || subsampling_y != 1)) {
      aom_internal_error(&cm->error, AOM_CODEC_INVALID_PARAM,
                         "Non-4:2:0 color format requires profile 1 or 2");
      res = -1;
    }
    if ((seq_params->profile == PROFILE_1) &&
        !(subsampling_x == 0 && subsampling_y == 0)) {
      aom_internal_error(&cm->error, AOM_CODEC_INVALID_PARAM,
                         "Profile 1 requires 4:4:4 color format");
      res = -1;
    }
    if ((seq_params->profile == PROFILE_2) &&
        (seq_params->bit_depth <= AOM_BITS_10) &&
        !(subsampling_x == 1 && subsampling_y == 0)) {
      aom_internal_error(&cm->error, AOM_CODEC_INVALID_PARAM,
                         "Profile 2 bit-depth < 10 requires 4:2:2 color format");
      res = -1;
    }
  
    return res;
  }
  
  #if CONFIG_INTERNAL_STATS
  extern double av1_get_blockiness(const unsigned char *img1, int img1_pitch,
                                   const unsigned char *img2, int img2_pitch,
                                   int width, int height);
  
  static void adjust_image_stat(double y, double u, double v, double all,
                                ImageStat *s) {
    s->stat[STAT_Y] += y;
    s->stat[STAT_U] += u;
    s->stat[STAT_V] += v;
    s->stat[STAT_ALL] += all;
    s->worst = AOMMIN(s->worst, all);
  }
  
  static void compute_internal_stats(AV1_COMP *cpi, int frame_bytes) {
    AV1_COMMON *const cm = &cpi->common;
    double samples = 0.0;
    uint32_t in_bit_depth = 8;
    uint32_t bit_depth = 8;
  
  #if CONFIG_INTER_STATS_ONLY
    if (cm->current_frame.frame_type == KEY_FRAME) return;  // skip key frame
  #endif
    cpi->bytes += frame_bytes;
  
    if (cm->seq_params.use_highbitdepth) {
      in_bit_depth = cpi->oxcf.input_bit_depth;
      bit_depth = cm->seq_params.bit_depth;
    }
    if (cm->show_frame) {
      const YV12_BUFFER_CONFIG *orig = cpi->source;
      const YV12_BUFFER_CONFIG *recon = &cpi->common.cur_frame->buf;
      double y, u, v, frame_all;
  
      cpi->count++;
      if (cpi->b_calculate_psnr) {
        PSNR_STATS psnr;
        double frame_ssim2 = 0.0, weight = 0.0;
        aom_clear_system_state();
        // TODO(yaowu): unify these two versions into one.
        aom_calc_highbd_psnr(orig, recon, &psnr, bit_depth, in_bit_depth);
  
        adjust_image_stat(psnr.psnr[1], psnr.psnr[2], psnr.psnr[3], psnr.psnr[0],
                          &cpi->psnr);
        cpi->total_sq_error += psnr.sse[0];
        cpi->total_samples += psnr.samples[0];
        samples = psnr.samples[0];
        // TODO(yaowu): unify these two versions into one.
        if (cm->seq_params.use_highbitdepth)
          frame_ssim2 =
              aom_highbd_calc_ssim(orig, recon, &weight, bit_depth, in_bit_depth);
        else
          frame_ssim2 = aom_calc_ssim(orig, recon, &weight);
  
        cpi->worst_ssim = AOMMIN(cpi->worst_ssim, frame_ssim2);
        cpi->summed_quality += frame_ssim2 * weight;
        cpi->summed_weights += weight;
  
  #if 0
        {
          FILE *f = fopen("q_used.stt", "a");
          double y2 = psnr.psnr[1];
          double u2 = psnr.psnr[2];
          double v2 = psnr.psnr[3];
          double frame_psnr2 = psnr.psnr[0];
          fprintf(f, "%5d : Y%f7.3:U%f7.3:V%f7.3:F%f7.3:S%7.3f\n",
                  cm->current_frame.frame_number, y2, u2, v2,
                  frame_psnr2, frame_ssim2);
          fclose(f);
        }
  #endif
      }
      if (cpi->b_calculate_blockiness) {
        if (!cm->seq_params.use_highbitdepth) {
          const double frame_blockiness =
              av1_get_blockiness(orig->y_buffer, orig->y_stride, recon->y_buffer,
                                 recon->y_stride, orig->y_width, orig->y_height);
          cpi->worst_blockiness = AOMMAX(cpi->worst_blockiness, frame_blockiness);
          cpi->total_blockiness += frame_blockiness;
        }
  
        if (cpi->b_calculate_consistency) {
          if (!cm->seq_params.use_highbitdepth) {
            const double this_inconsistency = aom_get_ssim_metrics(
                orig->y_buffer, orig->y_stride, recon->y_buffer, recon->y_stride,
                orig->y_width, orig->y_height, cpi->ssim_vars, &cpi->metrics, 1);
  
            const double peak = (double)((1 << in_bit_depth) - 1);
            const double consistency =
                aom_sse_to_psnr(samples, peak, cpi->total_inconsistency);
            if (consistency > 0.0)
              cpi->worst_consistency =
                  AOMMIN(cpi->worst_consistency, consistency);
            cpi->total_inconsistency += this_inconsistency;
          }
        }
      }
  
      frame_all =
          aom_calc_fastssim(orig, recon, &y, &u, &v, bit_depth, in_bit_depth);
      adjust_image_stat(y, u, v, frame_all, &cpi->fastssim);
      frame_all = aom_psnrhvs(orig, recon, &y, &u, &v, bit_depth, in_bit_depth);
      adjust_image_stat(y, u, v, frame_all, &cpi->psnrhvs);
    }
  }
  #endif  // CONFIG_INTERNAL_STATS
  int av1_get_compressed_data(AV1_COMP *cpi, unsigned int *frame_flags,
                              size_t *size, uint8_t *dest, int64_t *time_stamp,
                              int64_t *time_end, int flush,
                              const aom_rational64_t *timestamp_ratio) {
    const AV1EncoderConfig *const oxcf = &cpi->oxcf;
    AV1_COMMON *const cm = &cpi->common;
  
  #if CONFIG_BITSTREAM_DEBUG
    assert(cpi->oxcf.max_threads == 0 &&
           "bitstream debug tool does not support multithreading");
    bitstream_queue_record_write();
    aom_bitstream_queue_set_frame_write(cm->current_frame.frame_number * 2 +
                                        cm->show_frame);
  #endif
  
    // Indicates whether or not to use an adaptive quantize b rather than
    // the traditional version
    cm->use_quant_b_adapt = cpi->oxcf.quant_b_adapt;
  
    cm->showable_frame = 0;
    *size = 0;
  #if CONFIG_INTERNAL_STATS
    struct aom_usec_timer cmptimer;
    aom_usec_timer_start(&cmptimer);
  #endif
    set_high_precision_mv(cpi, ALTREF_HIGH_PRECISION_MV, 0);
  
    // Normal defaults
    cm->refresh_frame_context = oxcf->frame_parallel_decoding_mode
                                    ? REFRESH_FRAME_CONTEXT_DISABLED
                                    : REFRESH_FRAME_CONTEXT_BACKWARD;
    if (oxcf->large_scale_tile)
      cm->refresh_frame_context = REFRESH_FRAME_CONTEXT_DISABLED;
  
    // Initialize fields related to forward keyframes
    cpi->no_show_kf = 0;
  
    if (assign_cur_frame_new_fb(cm) == NULL) return AOM_CODEC_ERROR;
  
    const int result =
        av1_encode_strategy(cpi, size, dest, frame_flags, time_stamp, time_end,
                            timestamp_ratio, flush);
    if (result != AOM_CODEC_OK && result != -1) {
      return AOM_CODEC_ERROR;
    } else if (result == -1) {
      // Returning -1 indicates no frame encoded; more input is required
      return -1;
    }
  #if CONFIG_INTERNAL_STATS
    aom_usec_timer_mark(&cmptimer);
    cpi->time_compress_data += aom_usec_timer_elapsed(&cmptimer);
  #endif  // CONFIG_INTERNAL_STATS
    if (cpi->b_calculate_psnr) {
      if (cm->show_existing_frame || (oxcf->pass != 1 && cm->show_frame)) {
        generate_psnr_packet(cpi);
      }
    }
  
    if (cpi->keep_level_stats && oxcf->pass != 1) {
      // Initialize level info. at the beginning of each sequence.
      if (cm->current_frame.frame_type == KEY_FRAME && cm->show_frame) {
        av1_init_level_info(cpi->level_info);
      }
      av1_update_level_info(cpi, *size, *time_stamp, *time_end);
    }
  
  #if CONFIG_INTERNAL_STATS
    if (oxcf->pass != 1) {
      compute_internal_stats(cpi, (int)(*size));
    }
  #endif  // CONFIG_INTERNAL_STATS
  #if CONFIG_SPEED_STATS
    if (cpi->oxcf.pass != 1 && !cm->show_existing_frame) {
      cpi->tx_search_count += cpi->td.mb.tx_search_count;
      cpi->td.mb.tx_search_count = 0;
    }
  #endif  // CONFIG_SPEED_STATS
  
    aom_clear_system_state();
  
    return 0;
  }
  
  int av1_get_preview_raw_frame(AV1_COMP *cpi, YV12_BUFFER_CONFIG *dest) {
    AV1_COMMON *cm = &cpi->common;
    if (!cm->show_frame) {
      return -1;
    } else {
      int ret;
      if (cm->cur_frame != NULL) {
        *dest = cm->cur_frame->buf;
        dest->y_width = cm->width;
        dest->y_height = cm->height;
        dest->uv_width = cm->width >> cm->seq_params.subsampling_x;
        dest->uv_height = cm->height >> cm->seq_params.subsampling_y;
        ret = 0;
      } else {
        ret = -1;
      }
      aom_clear_system_state();
      return ret;
    }
  }
  
  int av1_get_last_show_frame(AV1_COMP *cpi, YV12_BUFFER_CONFIG *frame) {
    if (cpi->last_show_frame_buf == NULL) return -1;
  
    *frame = cpi->last_show_frame_buf->buf;
    return 0;
  }
  
  static int equal_dimensions_and_border(const YV12_BUFFER_CONFIG *a,
                                         const YV12_BUFFER_CONFIG *b) {
    return a->y_height == b->y_height && a->y_width == b->y_width &&
           a->uv_height == b->uv_height && a->uv_width == b->uv_width &&
           a->y_stride == b->y_stride && a->uv_stride == b->uv_stride &&
           a->border == b->border &&
           (a->flags & YV12_FLAG_HIGHBITDEPTH) ==
               (b->flags & YV12_FLAG_HIGHBITDEPTH);
  }
  
  aom_codec_err_t av1_copy_new_frame_enc(AV1_COMMON *cm,
                                         YV12_BUFFER_CONFIG *new_frame,
                                         YV12_BUFFER_CONFIG *sd) {
    const int num_planes = av1_num_planes(cm);
    if (!equal_dimensions_and_border(new_frame, sd))
      aom_internal_error(&cm->error, AOM_CODEC_ERROR,
                         "Incorrect buffer dimensions");
    else
      aom_yv12_copy_frame(new_frame, sd, num_planes);
  
    return cm->error.error_code;
  }
  
  int av1_set_internal_size(AV1_COMP *cpi, AOM_SCALING horiz_mode,
                            AOM_SCALING vert_mode) {
    int hr = 0, hs = 0, vr = 0, vs = 0;
  
    if (horiz_mode > ONETWO || vert_mode > ONETWO) return -1;
  
    Scale2Ratio(horiz_mode, &hr, &hs);
    Scale2Ratio(vert_mode, &vr, &vs);
  
    // always go to the next whole number
    cpi->resize_pending_width = (hs - 1 + cpi->oxcf.width * hr) / hs;
    cpi->resize_pending_height = (vs - 1 + cpi->oxcf.height * vr) / vs;
  
    return 0;
  }
  
  int av1_get_quantizer(AV1_COMP *cpi) { return cpi->common.base_qindex; }
  
  int av1_convert_sect5obus_to_annexb(uint8_t *buffer, size_t *frame_size) {
    size_t output_size = 0;
    size_t total_bytes_read = 0;
    size_t remaining_size = *frame_size;
    uint8_t *buff_ptr = buffer;
  
    // go through each OBUs
    while (total_bytes_read < *frame_size) {
      uint8_t saved_obu_header[2];
      uint64_t obu_payload_size;
      size_t length_of_payload_size;
      size_t length_of_obu_size;
      uint32_t obu_header_size = (buff_ptr[0] >> 2) & 0x1 ? 2 : 1;
      size_t obu_bytes_read = obu_header_size;  // bytes read for current obu
  
      // save the obu header (1 or 2 bytes)
      memmove(saved_obu_header, buff_ptr, obu_header_size);
      // clear the obu_has_size_field
      saved_obu_header[0] = saved_obu_header[0] & (~0x2);
  
      // get the payload_size and length of payload_size
      if (aom_uleb_decode(buff_ptr + obu_header_size, remaining_size,
                          &obu_payload_size, &length_of_payload_size) != 0) {
        return AOM_CODEC_ERROR;
      }
      obu_bytes_read += length_of_payload_size;
  
      // calculate the length of size of the obu header plus payload
      length_of_obu_size =
          aom_uleb_size_in_bytes((uint64_t)(obu_header_size + obu_payload_size));
  
      // move the rest of data to new location
      memmove(buff_ptr + length_of_obu_size + obu_header_size,
              buff_ptr + obu_bytes_read, remaining_size - obu_bytes_read);
      obu_bytes_read += (size_t)obu_payload_size;
  
      // write the new obu size
      const uint64_t obu_size = obu_header_size + obu_payload_size;
      size_t coded_obu_size;
      if (aom_uleb_encode(obu_size, sizeof(obu_size), buff_ptr,
                          &coded_obu_size) != 0) {
        return AOM_CODEC_ERROR;
      }
  
      // write the saved (modified) obu_header following obu size
      memmove(buff_ptr + length_of_obu_size, saved_obu_header, obu_header_size);
  
      total_bytes_read += obu_bytes_read;
      remaining_size -= obu_bytes_read;
      buff_ptr += length_of_obu_size + obu_size;
      output_size += length_of_obu_size + (size_t)obu_size;
    }
  
    *frame_size = output_size;
    return AOM_CODEC_OK;
  }
  
  void av1_apply_encoding_flags(AV1_COMP *cpi, aom_enc_frame_flags_t flags) {
    // TODO(yunqingwang): For what references to use, external encoding flags
    // should be consistent with internal reference frame selection. Need to
    // ensure that there is not conflict between the two. In AV1 encoder, the
    // priority rank for 7 reference frames are: LAST, ALTREF, LAST2, LAST3,
    // GOLDEN, BWDREF, ALTREF2. If only one reference frame is used, it must be
    // LAST.
    cpi->ext_ref_frame_flags = AOM_REFFRAME_ALL;
    if (flags &
        (AOM_EFLAG_NO_REF_LAST | AOM_EFLAG_NO_REF_LAST2 | AOM_EFLAG_NO_REF_LAST3 |
         AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD |
         AOM_EFLAG_NO_REF_ARF2)) {
      if (flags & AOM_EFLAG_NO_REF_LAST) {
        cpi->ext_ref_frame_flags = 0;
      } else {
        int ref = AOM_REFFRAME_ALL;
  
        if (flags & AOM_EFLAG_NO_REF_LAST2) ref ^= AOM_LAST2_FLAG;
        if (flags & AOM_EFLAG_NO_REF_LAST3) ref ^= AOM_LAST3_FLAG;
  
        if (flags & AOM_EFLAG_NO_REF_GF) ref ^= AOM_GOLD_FLAG;
  
        if (flags & AOM_EFLAG_NO_REF_ARF) {
          ref ^= AOM_ALT_FLAG;
          ref ^= AOM_BWD_FLAG;
          ref ^= AOM_ALT2_FLAG;
        } else {
          if (flags & AOM_EFLAG_NO_REF_BWD) ref ^= AOM_BWD_FLAG;
          if (flags & AOM_EFLAG_NO_REF_ARF2) ref ^= AOM_ALT2_FLAG;
        }
  
        av1_use_as_reference(cpi, ref);
      }
    }
  
    if (flags &
        (AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF)) {
      int upd = AOM_REFFRAME_ALL;
  
      // Refreshing LAST/LAST2/LAST3 is handled by 1 common flag.
      if (flags & AOM_EFLAG_NO_UPD_LAST) upd ^= AOM_LAST_FLAG;
  
      if (flags & AOM_EFLAG_NO_UPD_GF) upd ^= AOM_GOLD_FLAG;
  
      if (flags & AOM_EFLAG_NO_UPD_ARF) {
        upd ^= AOM_ALT_FLAG;
        upd ^= AOM_BWD_FLAG;
        upd ^= AOM_ALT2_FLAG;
      }
  
      cpi->ext_refresh_last_frame = (upd & AOM_LAST_FLAG) != 0;
      cpi->ext_refresh_golden_frame = (upd & AOM_GOLD_FLAG) != 0;
      cpi->ext_refresh_alt_ref_frame = (upd & AOM_ALT_FLAG) != 0;
      cpi->ext_refresh_bwd_ref_frame = (upd & AOM_BWD_FLAG) != 0;
      cpi->ext_refresh_alt2_ref_frame = (upd & AOM_ALT2_FLAG) != 0;
      cpi->ext_refresh_frame_flags_pending = 1;
    } else {
      cpi->ext_refresh_frame_flags_pending = 0;
    }
  
    cpi->ext_use_ref_frame_mvs = cpi->oxcf.allow_ref_frame_mvs &
                                 ((flags & AOM_EFLAG_NO_REF_FRAME_MVS) == 0);
    cpi->ext_use_error_resilient = cpi->oxcf.error_resilient_mode |
                                   ((flags & AOM_EFLAG_ERROR_RESILIENT) != 0);
    cpi->ext_use_s_frame =
        cpi->oxcf.s_frame_mode | ((flags & AOM_EFLAG_SET_S_FRAME) != 0);
    cpi->ext_use_primary_ref_none = (flags & AOM_EFLAG_SET_PRIMARY_REF_NONE) != 0;
  
    if (flags & AOM_EFLAG_NO_UPD_ENTROPY) {
      av1_update_entropy(cpi, 0);
    }
  }
  
  aom_fixed_buf_t *av1_get_global_headers(AV1_COMP *cpi) {
    if (!cpi) return NULL;
  
    uint8_t header_buf[512] = { 0 };
    const uint32_t sequence_header_size =
        write_sequence_header_obu(cpi, &header_buf[0]);
    assert(sequence_header_size <= sizeof(header_buf));
    if (sequence_header_size == 0) return NULL;
  
    const size_t obu_header_size = 1;
    const size_t size_field_size = aom_uleb_size_in_bytes(sequence_header_size);
    const size_t payload_offset = obu_header_size + size_field_size;
  
    if (payload_offset + sequence_header_size > sizeof(header_buf)) return NULL;
    memmove(&header_buf[payload_offset], &header_buf[0], sequence_header_size);
  
    if (av1_write_obu_header(cpi, OBU_SEQUENCE_HEADER, 0, &header_buf[0]) !=
        obu_header_size) {
      return NULL;
    }
  
    size_t coded_size_field_size = 0;
    if (aom_uleb_encode(sequence_header_size, size_field_size,
                        &header_buf[obu_header_size],
                        &coded_size_field_size) != 0) {
      return NULL;
    }
    assert(coded_size_field_size == size_field_size);
  
    aom_fixed_buf_t *global_headers =
        (aom_fixed_buf_t *)malloc(sizeof(*global_headers));
    if (!global_headers) return NULL;
  
    const size_t global_header_buf_size =
        obu_header_size + size_field_size + sequence_header_size;
  
    global_headers->buf = malloc(global_header_buf_size);
    if (!global_headers->buf) {
      free(global_headers);
      return NULL;
    }
  
    memcpy(global_headers->buf, &header_buf[0], global_header_buf_size);
    global_headers->sz = global_header_buf_size;
    return global_headers;
  }
  