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1 /*
2  * Copyright (c) 2019, Alliance for Open Media. All rights reserved
3  *
4  * This source code is subject to the terms of the BSD 2 Clause License and
5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6  * was not distributed with this source code in the LICENSE file, you can
7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8  * Media Patent License 1.0 was not distributed with this source code in the
9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10  */
11 
12 #ifndef AOM_AV1_ENCODER_MV_PREC_H_
13 #define AOM_AV1_ENCODER_MV_PREC_H_
14 
15 #include "av1/encoder/encoder.h"
16 #include "av1/encoder/speed_features.h"
17 
18 // Q threshold for high precision mv.
19 #define HIGH_PRECISION_MV_QTHRESH 128
20 #if !CONFIG_REALTIME_ONLY
21 void av1_collect_mv_stats(AV1_COMP *cpi, int current_q);
22 
av1_frame_allows_smart_mv(const AV1_COMP * cpi)23 static AOM_INLINE int av1_frame_allows_smart_mv(const AV1_COMP *cpi) {
24   const int gf_group_index = cpi->gf_group.index;
25   const int gf_update_type = cpi->gf_group.update_type[gf_group_index];
26   return !frame_is_intra_only(&cpi->common) &&
27          !(gf_update_type == INTNL_OVERLAY_UPDATE ||
28            gf_update_type == OVERLAY_UPDATE);
29 }
30 #endif  // !CONFIG_REALTIME_ONLY
31 
av1_set_high_precision_mv(AV1_COMP * cpi,int allow_high_precision_mv,int cur_frame_force_integer_mv)32 static AOM_INLINE void av1_set_high_precision_mv(
33     AV1_COMP *cpi, int allow_high_precision_mv,
34     int cur_frame_force_integer_mv) {
35   MACROBLOCK *const x = &cpi->td.mb;
36   const int copy_hp = cpi->common.features.allow_high_precision_mv =
37       allow_high_precision_mv && !cur_frame_force_integer_mv;
38   x->nmvcost[0] = &x->nmv_costs[0][MV_MAX];
39   x->nmvcost[1] = &x->nmv_costs[1][MV_MAX];
40   x->nmvcost_hp[0] = &x->nmv_costs_hp[0][MV_MAX];
41   x->nmvcost_hp[1] = &x->nmv_costs_hp[1][MV_MAX];
42   int *(*src)[2] = copy_hp ? &x->nmvcost_hp : &x->nmvcost;
43   x->mv_cost_stack = *src;
44 }
45 
46 void av1_pick_and_set_high_precision_mv(AV1_COMP *cpi, int qindex);
47 
48 #endif  // AOM_AV1_ENCODER_MV_PREC_H_
49