/*
 *  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 VPX_VP9_COMMON_VP9_RECONINTER_H_
#define VPX_VP9_COMMON_VP9_RECONINTER_H_

#include "vp9/common/vp9_filter.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/vpx_filter.h"

#ifdef __cplusplus
extern "C" {
#endif

static INLINE void inter_predictor(const uint8_t *src, int src_stride,
                                   uint8_t *dst, int dst_stride,
                                   const int subpel_x, const int subpel_y,
                                   const struct scale_factors *sf, int w, int h,
                                   int ref, const InterpKernel *kernel, int xs,
                                   int ys) {
  sf->predict[subpel_x != 0][subpel_y != 0][ref](src, src_stride, dst,
                                                 dst_stride, kernel, subpel_x,
                                                 xs, subpel_y, ys, w, h);
}

#if CONFIG_VP9_HIGHBITDEPTH
static INLINE void highbd_inter_predictor(
    const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride,
    const int subpel_x, const int subpel_y, const struct scale_factors *sf,
    int w, int h, int ref, const InterpKernel *kernel, int xs, int ys, int bd) {
  sf->highbd_predict[subpel_x != 0][subpel_y != 0][ref](
      src, src_stride, dst, dst_stride, kernel, subpel_x, xs, subpel_y, ys, w,
      h, bd);
}
#endif  // CONFIG_VP9_HIGHBITDEPTH

MV average_split_mvs(const struct macroblockd_plane *pd, const MODE_INFO *mi,
                     int ref, int block);

MV clamp_mv_to_umv_border_sb(const MACROBLOCKD *xd, const MV *src_mv, int bw,
                             int bh, int ss_x, int ss_y);

void vp9_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col,
                                    BLOCK_SIZE bsize);

void vp9_build_inter_predictors_sbp(MACROBLOCKD *xd, int mi_row, int mi_col,
                                    BLOCK_SIZE bsize, int plane);

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_build_inter_predictor(const uint8_t *src, int src_stride, uint8_t *dst,
                               int dst_stride, const MV *src_mv,
                               const struct scale_factors *sf, int w, int h,
                               int ref, const InterpKernel *kernel,
                               enum mv_precision precision, int x, int y);

#if CONFIG_VP9_HIGHBITDEPTH
void vp9_highbd_build_inter_predictor(
    const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride,
    const MV *src_mv, const struct scale_factors *sf, int w, int h, int ref,
    const InterpKernel *kernel, enum mv_precision precision, int x, int y,
    int bd);
#endif

static INLINE int64_t scaled_buffer_offset(int x_offset, int y_offset,
                                           int stride,
                                           const struct scale_factors *sf) {
  const int x = sf ? sf->scale_value_x(x_offset, sf) : x_offset;
  const int y = sf ? sf->scale_value_y(y_offset, sf) : y_offset;
  return (int64_t)y * stride + x;
}

static INLINE 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;
}

void vp9_setup_dst_planes(struct macroblockd_plane planes[MAX_MB_PLANE],
                          const YV12_BUFFER_CONFIG *src, int mi_row,
                          int mi_col);

void vp9_setup_pre_planes(MACROBLOCKD *xd, int idx,
                          const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,
                          const struct scale_factors *sf);

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // VPX_VP9_COMMON_VP9_RECONINTER_H_