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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_inter16x16_predictors_mby(MACROBLOCKD *xd,
uint8_t *dst_y,
int dst_ystride,
int mb_row,
int mb_col);
void vp9_build_inter16x16_predictors_mbuv(MACROBLOCKD *xd,
uint8_t *dst_u,
uint8_t *dst_v,
int dst_uvstride,
int mb_row,
int mb_col);
void vp9_build_inter16x16_predictors_mb(MACROBLOCKD *xd,
uint8_t *dst_y,
uint8_t *dst_u,
uint8_t *dst_v,
int dst_ystride,
int dst_uvstride,
int mb_row,
int mb_col);
void vp9_build_inter_predictors_sb(MACROBLOCKD *mb,
int mb_row, int mb_col,
BLOCK_SIZE_TYPE bsize);
void vp9_build_inter_predictors_mb(MACROBLOCKD *xd,
int mb_row,
int mb_col);
void vp9_build_inter_predictors_mb_s(MACROBLOCKD *xd,
int mb_row,
int mb_col);
void vp9_build_inter4x4_predictors_mbuv(MACROBLOCKD *xd,
int mb_row,
int mb_col);
void vp9_setup_interp_filters(MACROBLOCKD *xd,
INTERPOLATIONFILTERTYPE filter,
VP9_COMMON *cm);
void vp9_setup_scale_factors_for_frame(struct scale_factors *scale,
YV12_BUFFER_CONFIG *other,
int this_w, int this_h);
void vp9_build_inter_predictor(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride,
const int_mv *mv_q3,
const struct scale_factors *scale,
int w, int h, int do_avg,
const struct subpix_fn_table *subpix);
void vp9_build_inter_predictor_q4(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride,
const int_mv *fullpel_mv_q3,
const int_mv *frac_mv_q4,
const struct scale_factors *scale,
int w, int h, int do_avg,
const struct subpix_fn_table *subpix);
static int scale_value_x(int val, const struct scale_factors *scale) {
return val * scale->x_num / scale->x_den;
}
static int scale_value_y(int val, const struct scale_factors *scale) {
return val * scale->y_num / scale->y_den;
}
static int scaled_buffer_offset(int x_offset,
int y_offset,
int stride,
const struct scale_factors *scale) {
return scale_value_y(y_offset, scale) * stride +
scale_value_x(x_offset, scale);
}
static void setup_pred_block(YV12_BUFFER_CONFIG *dst,
const YV12_BUFFER_CONFIG *src,
int mb_row, int mb_col,
const struct scale_factors *scale,
const struct scale_factors *scale_uv) {
const int recon_y_stride = src->y_stride;
const int recon_uv_stride = src->uv_stride;
int recon_yoffset;
int recon_uvoffset;
if (scale) {
recon_yoffset = scaled_buffer_offset(16 * mb_col, 16 * mb_row,
recon_y_stride, scale);
recon_uvoffset = scaled_buffer_offset(8 * mb_col, 8 * mb_row,
recon_uv_stride, scale_uv);
} else {
recon_yoffset = 16 * mb_row * recon_y_stride + 16 * mb_col;
recon_uvoffset = 8 * mb_row * recon_uv_stride + 8 * mb_col;
}
*dst = *src;
dst->y_buffer += recon_yoffset;
dst->u_buffer += recon_uvoffset;
dst->v_buffer += recon_uvoffset;
}
static void set_scale_factors(MACROBLOCKD *xd,
int ref0, int ref1,
struct scale_factors scale_factor[MAX_REF_FRAMES]) {
xd->scale_factor[0] = scale_factor[ref0 >= 0 ? ref0 : 0];
xd->scale_factor[1] = scale_factor[ref1 >= 0 ? ref1 : 0];
xd->scale_factor_uv[0] = xd->scale_factor[0];
xd->scale_factor_uv[1] = xd->scale_factor[1];
}
#endif // VP9_COMMON_VP9_RECONINTER_H_
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