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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_COMMON_VP9_RECONINTER_H_
#define VP9_COMMON_VP9_RECONINTER_H_
#include "vpx/vpx_integer.h"
#include "vp9/common/vp9_onyxc_int.h"
struct subpix_fn_table;
void vp9_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col,
BLOCK_SIZE bsize);
void vp9_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col,
BLOCK_SIZE bsize);
void vp9_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col,
BLOCK_SIZE bsize);
void vp9_setup_interp_filters(MACROBLOCKD *xd,
INTERPOLATIONFILTERTYPE filter,
VP9_COMMON *cm);
void vp9_build_inter_predictor(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride,
const MV *mv_q3,
const struct scale_factors *scale,
int w, int h, int do_avg,
const struct subpix_fn_table *subpix,
enum mv_precision precision);
static int scaled_buffer_offset(int x_offset, int y_offset, int stride,
const struct scale_factors *scale) {
const int x = scale ? scale->scale_value_x(x_offset, scale) : x_offset;
const int y = scale ? scale->scale_value_y(y_offset, scale) : y_offset;
return y * stride + x;
}
static void setup_pred_plane(struct buf_2d *dst,
uint8_t *src, int stride,
int mi_row, int mi_col,
const struct scale_factors *scale,
int subsampling_x, int subsampling_y) {
const int x = (MI_SIZE * mi_col) >> subsampling_x;
const int y = (MI_SIZE * mi_row) >> subsampling_y;
dst->buf = src + scaled_buffer_offset(x, y, stride, scale);
dst->stride = stride;
}
// TODO(jkoleszar): audit all uses of this that don't set mb_row, mb_col
static void setup_dst_planes(MACROBLOCKD *xd,
const YV12_BUFFER_CONFIG *src,
int mi_row, int mi_col) {
uint8_t *buffers[4] = {src->y_buffer, src->u_buffer, src->v_buffer,
src->alpha_buffer};
int strides[4] = {src->y_stride, src->uv_stride, src->uv_stride,
src->alpha_stride};
int i;
for (i = 0; i < MAX_MB_PLANE; ++i) {
struct macroblockd_plane *pd = &xd->plane[i];
setup_pred_plane(&pd->dst, buffers[i], strides[i], mi_row, mi_col, NULL,
pd->subsampling_x, pd->subsampling_y);
}
}
static void setup_pre_planes(MACROBLOCKD *xd, int i,
const YV12_BUFFER_CONFIG *src,
int mi_row, int mi_col,
const struct scale_factors *sf) {
if (src) {
int j;
uint8_t* buffers[4] = {src->y_buffer, src->u_buffer, src->v_buffer,
src->alpha_buffer};
int strides[4] = {src->y_stride, src->uv_stride, src->uv_stride,
src->alpha_stride};
for (j = 0; j < MAX_MB_PLANE; ++j) {
struct macroblockd_plane *pd = &xd->plane[j];
setup_pred_plane(&pd->pre[i], buffers[j], strides[j],
mi_row, mi_col, sf, pd->subsampling_x, pd->subsampling_y);
}
}
}
static void set_scale_factors(MACROBLOCKD *xd, int ref0, int ref1,
struct scale_factors sf[MAX_REF_FRAMES]) {
xd->scale_factor[0] = sf[ref0 >= 0 ? ref0 : 0];
xd->scale_factor[1] = sf[ref1 >= 0 ? ref1 : 0];
}
void vp9_setup_scale_factors(VP9_COMMON *cm, int i);
#endif // VP9_COMMON_VP9_RECONINTER_H_
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