1 /*
2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
3 *
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.
9 */
10 #ifndef VP9_COMMON_VP9_MVREF_COMMON_H_
11 #define VP9_COMMON_VP9_MVREF_COMMON_H_
12
13 #include "vp9/common/vp9_onyxc_int.h"
14 #include "vp9/common/vp9_blockd.h"
15
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19
20 #define LEFT_TOP_MARGIN ((VP9_ENC_BORDER_IN_PIXELS - VP9_INTERP_EXTEND) << 3)
21 #define RIGHT_BOTTOM_MARGIN ((VP9_ENC_BORDER_IN_PIXELS -\
22 VP9_INTERP_EXTEND) << 3)
23
24 // TODO(jingning): this mv clamping function should be block size dependent.
clamp_mv2(MV * mv,const MACROBLOCKD * xd)25 static INLINE void clamp_mv2(MV *mv, const MACROBLOCKD *xd) {
26 clamp_mv(mv, xd->mb_to_left_edge - LEFT_TOP_MARGIN,
27 xd->mb_to_right_edge + RIGHT_BOTTOM_MARGIN,
28 xd->mb_to_top_edge - LEFT_TOP_MARGIN,
29 xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN);
30 }
31
32 void vp9_find_mv_refs(const VP9_COMMON *cm, const MACROBLOCKD *xd,
33 const TileInfo *const tile,
34 MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame,
35 int_mv *mv_ref_list, int mi_row, int mi_col);
36
37 // check a list of motion vectors by sad score using a number rows of pixels
38 // above and a number cols of pixels in the left to select the one with best
39 // score to use as ref motion vector
40 void vp9_find_best_ref_mvs(MACROBLOCKD *xd, int allow_hp,
41 int_mv *mvlist, int_mv *nearest, int_mv *near);
42
43 void vp9_append_sub8x8_mvs_for_idx(VP9_COMMON *cm, MACROBLOCKD *xd,
44 const TileInfo *const tile,
45 int block, int ref, int mi_row, int mi_col,
46 int_mv *nearest, int_mv *near);
47
48 #ifdef __cplusplus
49 } // extern "C"
50 #endif
51
52 #endif // VP9_COMMON_VP9_MVREF_COMMON_H_
53