1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp9/common/vp9_findnearmv.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,72 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +
1.15 +#ifndef VP9_COMMON_VP9_FINDNEARMV_H_
1.16 +#define VP9_COMMON_VP9_FINDNEARMV_H_
1.17 +
1.18 +#include "vp9/common/vp9_mv.h"
1.19 +#include "vp9/common/vp9_blockd.h"
1.20 +#include "vp9/common/vp9_treecoder.h"
1.21 +#include "vp9/common/vp9_onyxc_int.h"
1.22 +
1.23 +#define LEFT_TOP_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3)
1.24 +#define RIGHT_BOTTOM_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3)
1.25 +
1.26 +// check a list of motion vectors by sad score using a number rows of pixels
1.27 +// above and a number cols of pixels in the left to select the one with best
1.28 +// score to use as ref motion vector
1.29 +void vp9_find_best_ref_mvs(MACROBLOCKD *xd, int allow_hp,
1.30 + int_mv *mvlist, int_mv *nearest, int_mv *near);
1.31 +
1.32 +// TODO(jingning): this mv clamping function should be block size dependent.
1.33 +static void clamp_mv2(MV *mv, const MACROBLOCKD *xd) {
1.34 + clamp_mv(mv, xd->mb_to_left_edge - LEFT_TOP_MARGIN,
1.35 + xd->mb_to_right_edge + RIGHT_BOTTOM_MARGIN,
1.36 + xd->mb_to_top_edge - LEFT_TOP_MARGIN,
1.37 + xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN);
1.38 +}
1.39 +
1.40 +void vp9_append_sub8x8_mvs_for_idx(VP9_COMMON *cm, MACROBLOCKD *xd,
1.41 + const TileInfo *const tile,
1.42 + int_mv *dst_nearest,
1.43 + int_mv *dst_near,
1.44 + int block_idx, int ref_idx,
1.45 + int mi_row, int mi_col);
1.46 +
1.47 +static MB_PREDICTION_MODE left_block_mode(const MODE_INFO *cur_mi,
1.48 + const MODE_INFO *left_mi, int b) {
1.49 + if (b == 0 || b == 2) {
1.50 + if (!left_mi || is_inter_block(&left_mi->mbmi))
1.51 + return DC_PRED;
1.52 +
1.53 + return left_mi->mbmi.sb_type < BLOCK_8X8 ? left_mi->bmi[b + 1].as_mode
1.54 + : left_mi->mbmi.mode;
1.55 + } else {
1.56 + assert(b == 1 || b == 3);
1.57 + return cur_mi->bmi[b - 1].as_mode;
1.58 + }
1.59 +}
1.60 +
1.61 +static MB_PREDICTION_MODE above_block_mode(const MODE_INFO *cur_mi,
1.62 + const MODE_INFO *above_mi, int b) {
1.63 + if (b == 0 || b == 1) {
1.64 + if (!above_mi || is_inter_block(&above_mi->mbmi))
1.65 + return DC_PRED;
1.66 +
1.67 + return above_mi->mbmi.sb_type < BLOCK_8X8 ? above_mi->bmi[b + 2].as_mode
1.68 + : above_mi->mbmi.mode;
1.69 + } else {
1.70 + assert(b == 2 || b == 3);
1.71 + return cur_mi->bmi[b - 2].as_mode;
1.72 + }
1.73 +}
1.74 +
1.75 +#endif // VP9_COMMON_VP9_FINDNEARMV_H_
