av1/encoder/mv_prec.h

/*
 * 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 "av1/encoder/encoder.h"

#if !CONFIG_REALTIME_ONLY
void av1_collect_mv_stats(AV1_COMP *cpi, int current_q);

static AOM_INLINE int av1_frame_allows_smart_mv(const AV1_COMP *cpi) {
  const int gf_group_index = cpi->gf_group.index;
  const int gf_update_type = cpi->gf_group.update_type[gf_group_index];
  return !frame_is_intra_only(&cpi->common) &&
         !(gf_update_type == INTNL_OVERLAY_UPDATE ||
           gf_update_type == OVERLAY_UPDATE);
}
#endif  // !CONFIG_REALTIME_ONLY

static AOM_INLINE void av1_set_mv_precision(AV1_COMP *cpi,
                                            MvSubpelPrecision precision,
                                            int cur_frame_force_integer_mv) {
  MACROBLOCK *const x = &cpi->td.mb;
  x->nmvcost[0][0] = &x->nmv_costs[0][0][MV_MAX];
  x->nmvcost[0][1] = &x->nmv_costs[0][1][MV_MAX];
  x->nmvcost[1][0] = &x->nmv_costs[1][0][MV_MAX];
  x->nmvcost[1][1] = &x->nmv_costs[1][1][MV_MAX];
  x->nmvcost[2][0] = &x->nmv_costs[2][0][MV_MAX];
  x->nmvcost[2][1] = &x->nmv_costs[2][1][MV_MAX];
  x->nmvcost[3][0] = &x->nmv_costs[3][0][MV_MAX];
  x->nmvcost[3][1] = &x->nmv_costs[3][1][MV_MAX];

  if (cur_frame_force_integer_mv) {
    cpi->common.fr_mv_precision = MV_SUBPEL_NONE;
  } else {
    cpi->common.fr_mv_precision = precision;
  }

#if CONFIG_FLEX_MVRES
  AV1_COMMON *cm = &cpi->common;
  cm->use_sb_mv_precision = 0;
  cm->use_pb_mv_precision = 0;
#endif  // CONFIG_FLEX_MVRES
}

void av1_pick_and_set_high_precision_mv(AV1_COMP *cpi, int q);