2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
10 #ifndef VP9_COMMON_VP9_MVREF_COMMON_H_
11 #define VP9_COMMON_VP9_MVREF_COMMON_H_
13 #include "vp9/common/vp9_onyxc_int.h"
14 #include "vp9/common/vp9_blockd.h"
21 void vp9_find_mv_refs_idx(const VP9_COMMON *cm, const MACROBLOCKD *xd,
22 const TileInfo *const tile,
23 MODE_INFO *mi, const MODE_INFO *prev_mi,
24 MV_REFERENCE_FRAME ref_frame,
27 int mi_row, int mi_col);
29 static INLINE void vp9_find_mv_refs(const VP9_COMMON *cm, const MACROBLOCKD *xd,
30 const TileInfo *const tile,
31 MODE_INFO *mi, const MODE_INFO *prev_mi,
32 MV_REFERENCE_FRAME ref_frame,
34 int mi_row, int mi_col) {
35 vp9_find_mv_refs_idx(cm, xd, tile, mi, prev_mi, ref_frame,
36 mv_ref_list, -1, mi_row, mi_col);
39 #define LEFT_TOP_MARGIN ((VP9_ENC_BORDER_IN_PIXELS \
40 - VP9_INTERP_EXTEND) << 3)
41 #define RIGHT_BOTTOM_MARGIN ((VP9_ENC_BORDER_IN_PIXELS \
42 - VP9_INTERP_EXTEND) << 3)
44 // check a list of motion vectors by sad score using a number rows of pixels
45 // above and a number cols of pixels in the left to select the one with best
46 // score to use as ref motion vector
47 void vp9_find_best_ref_mvs(MACROBLOCKD *xd, int allow_hp,
48 int_mv *mvlist, int_mv *nearest, int_mv *near);
50 // TODO(jingning): this mv clamping function should be block size dependent.
51 static INLINE void clamp_mv2(MV *mv, const MACROBLOCKD *xd) {
52 clamp_mv(mv, xd->mb_to_left_edge - LEFT_TOP_MARGIN,
53 xd->mb_to_right_edge + RIGHT_BOTTOM_MARGIN,
54 xd->mb_to_top_edge - LEFT_TOP_MARGIN,
55 xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN);
58 void vp9_append_sub8x8_mvs_for_idx(VP9_COMMON *cm, MACROBLOCKD *xd,
59 const TileInfo *const tile,
60 int block, int ref, int mi_row, int mi_col,
61 int_mv *nearest, int_mv *near);
67 #endif // VP9_COMMON_VP9_MVREF_COMMON_H_