68 lines
2.7 KiB
C
68 lines
2.7 KiB
C
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_COMMON_VP9_MVREF_COMMON_H_
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#define VP9_COMMON_VP9_MVREF_COMMON_H_
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#include "vp9/common/vp9_onyxc_int.h"
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#include "vp9/common/vp9_blockd.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void vp9_find_mv_refs_idx(const VP9_COMMON *cm, const MACROBLOCKD *xd,
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const TileInfo *const tile,
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MODE_INFO *mi, const MODE_INFO *prev_mi,
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MV_REFERENCE_FRAME ref_frame,
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int_mv *mv_ref_list,
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int block_idx,
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int mi_row, int mi_col);
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static INLINE void vp9_find_mv_refs(const VP9_COMMON *cm, const MACROBLOCKD *xd,
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const TileInfo *const tile,
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MODE_INFO *mi, const MODE_INFO *prev_mi,
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MV_REFERENCE_FRAME ref_frame,
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int_mv *mv_ref_list,
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int mi_row, int mi_col) {
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vp9_find_mv_refs_idx(cm, xd, tile, mi, prev_mi, ref_frame,
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mv_ref_list, -1, mi_row, mi_col);
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}
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#define LEFT_TOP_MARGIN ((VP9_ENC_BORDER_IN_PIXELS \
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- VP9_INTERP_EXTEND) << 3)
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#define RIGHT_BOTTOM_MARGIN ((VP9_ENC_BORDER_IN_PIXELS \
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- VP9_INTERP_EXTEND) << 3)
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// check a list of motion vectors by sad score using a number rows of pixels
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// above and a number cols of pixels in the left to select the one with best
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// score to use as ref motion vector
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void vp9_find_best_ref_mvs(MACROBLOCKD *xd, int allow_hp,
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int_mv *mvlist, int_mv *nearest, int_mv *near);
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// TODO(jingning): this mv clamping function should be block size dependent.
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static void clamp_mv2(MV *mv, const MACROBLOCKD *xd) {
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clamp_mv(mv, xd->mb_to_left_edge - LEFT_TOP_MARGIN,
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xd->mb_to_right_edge + RIGHT_BOTTOM_MARGIN,
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xd->mb_to_top_edge - LEFT_TOP_MARGIN,
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xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN);
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}
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void vp9_append_sub8x8_mvs_for_idx(VP9_COMMON *cm, MACROBLOCKD *xd,
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const TileInfo *const tile,
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int block, int ref, int mi_row, int mi_col,
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int_mv *nearest, int_mv *near);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_COMMON_VP9_MVREF_COMMON_H_
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