1 /*
2 * Copyright (c) 2016, 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_ENCODEMV_H_
13 #define AOM_AV1_ENCODER_ENCODEMV_H_
14
15 #include "av1/encoder/encoder.h"
16
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20
21 void av1_encode_mv(AV1_COMP *cpi, aom_writer *w, const MV *mv, const MV *ref,
22 nmv_context *mvctx, int usehp);
23
24 void av1_build_nmv_cost_table(int *mvjoint, int *mvcost[2],
25 const nmv_context *mvctx,
26 MvSubpelPrecision precision);
27
28 void av1_update_mv_count(ThreadData *td);
29
30 void av1_encode_dv(aom_writer *w, const MV *mv, const MV *ref,
31 nmv_context *mvctx);
32 int_mv av1_get_ref_mv(const MACROBLOCK *x, int ref_idx);
33 int_mv av1_get_ref_mv_from_stack(int ref_idx,
34 const MV_REFERENCE_FRAME *ref_frame,
35 int ref_mv_idx,
36 const MB_MODE_INFO_EXT *mbmi_ext);
37 void av1_find_best_ref_mvs_from_stack(int allow_hp,
38 const MB_MODE_INFO_EXT *mbmi_ext,
39 MV_REFERENCE_FRAME ref_frame,
40 int_mv *nearest_mv, int_mv *near_mv,
41 int is_integer);
42
av1_get_mv_joint(const MV * mv)43 static INLINE MV_JOINT_TYPE av1_get_mv_joint(const MV *mv) {
44 if (mv->row == 0) {
45 return mv->col == 0 ? MV_JOINT_ZERO : MV_JOINT_HNZVZ;
46 } else {
47 return mv->col == 0 ? MV_JOINT_HZVNZ : MV_JOINT_HNZVNZ;
48 }
49 }
50
51 #ifdef __cplusplus
52 } // extern "C"
53 #endif
54
55 #endif // AOM_AV1_ENCODER_ENCODEMV_H_
56