1/*
2 *  Copyright (c) 2010 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
11#ifndef VP9_COMMON_VP9_RECONINTER_H_
12#define VP9_COMMON_VP9_RECONINTER_H_
13
14#include "vpx/vpx_integer.h"
15#include "vp9/common/vp9_onyxc_int.h"
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
21void vp9_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col,
22                                    BLOCK_SIZE bsize);
23
24void vp9_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col,
25                                     BLOCK_SIZE bsize);
26
27void vp9_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col,
28                                   BLOCK_SIZE bsize);
29
30void vp9_dec_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col,
31                                       BLOCK_SIZE bsize);
32
33void vp9_build_inter_predictor(const uint8_t *src, int src_stride,
34                               uint8_t *dst, int dst_stride,
35                               const MV *mv_q3,
36                               const struct scale_factors *sf,
37                               int w, int h, int do_avg,
38                               const InterpKernel *kernel,
39                               enum mv_precision precision,
40                               int x, int y);
41
42static INLINE int scaled_buffer_offset(int x_offset, int y_offset, int stride,
43                                       const struct scale_factors *sf) {
44  const int x = sf ? sf->scale_value_x(x_offset, sf) : x_offset;
45  const int y = sf ? sf->scale_value_y(y_offset, sf) : y_offset;
46  return y * stride + x;
47}
48
49static INLINE void setup_pred_plane(struct buf_2d *dst,
50                                    uint8_t *src, int stride,
51                                    int mi_row, int mi_col,
52                                    const struct scale_factors *scale,
53                                    int subsampling_x, int subsampling_y) {
54  const int x = (MI_SIZE * mi_col) >> subsampling_x;
55  const int y = (MI_SIZE * mi_row) >> subsampling_y;
56  dst->buf = src + scaled_buffer_offset(x, y, stride, scale);
57  dst->stride = stride;
58}
59
60void vp9_setup_dst_planes(MACROBLOCKD *xd, const YV12_BUFFER_CONFIG *src,
61                          int mi_row, int mi_col);
62
63void vp9_setup_pre_planes(MACROBLOCKD *xd, int idx,
64                          const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,
65                          const struct scale_factors *sf);
66
67#ifdef __cplusplus
68}  // extern "C"
69#endif
70
71#endif  // VP9_COMMON_VP9_RECONINTER_H_
72