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.
11 #include "vp9/common/vp9_onyxc_int.h"
12 #include "vp9/common/vp9_blockd.h"
14 #ifndef VP9_COMMON_VP9_MVREF_COMMON_H_
15 #define VP9_COMMON_VP9_MVREF_COMMON_H_
17 void vp9_find_mv_refs_idx(const VP9_COMMON *cm, const MACROBLOCKD *xd,
18 const TileInfo *const tile,
19 MODE_INFO *mi, const MODE_INFO *prev_mi,
20 MV_REFERENCE_FRAME ref_frame,
23 int mi_row, int mi_col);
25 static INLINE void vp9_find_mv_refs(const VP9_COMMON *cm, const MACROBLOCKD *xd,
26 const TileInfo *const tile,
27 MODE_INFO *mi, const MODE_INFO *prev_mi,
28 MV_REFERENCE_FRAME ref_frame,
30 int mi_row, int mi_col) {
31 vp9_find_mv_refs_idx(cm, xd, tile, mi, prev_mi, ref_frame,
32 mv_ref_list, -1, mi_row, mi_col);
35 #define LEFT_TOP_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3)
36 #define RIGHT_BOTTOM_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3)
38 // check a list of motion vectors by sad score using a number rows of pixels
39 // above and a number cols of pixels in the left to select the one with best
40 // score to use as ref motion vector
41 void vp9_find_best_ref_mvs(MACROBLOCKD *xd, int allow_hp,
42 int_mv *mvlist, int_mv *nearest, int_mv *near);
44 // TODO(jingning): this mv clamping function should be block size dependent.
45 static void clamp_mv2(MV *mv, const MACROBLOCKD *xd) {
46 clamp_mv(mv, xd->mb_to_left_edge - LEFT_TOP_MARGIN,
47 xd->mb_to_right_edge + RIGHT_BOTTOM_MARGIN,
48 xd->mb_to_top_edge - LEFT_TOP_MARGIN,
49 xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN);
52 void vp9_append_sub8x8_mvs_for_idx(VP9_COMMON *cm, MACROBLOCKD *xd,
53 const TileInfo *const tile,
54 int block, int ref, int mi_row, int mi_col,
55 int_mv *nearest, int_mv *near);
57 #endif // VP9_COMMON_VP9_MVREF_COMMON_H_