| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #ifndef AV1_COMMON_RECONINTER_H_ |
| #define AV1_COMMON_RECONINTER_H_ |
| |
| #include "av1/common/filter.h" |
| #include "av1/common/onyxc_int.h" |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/aom_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, kernel[subpel_y], |
| ys, w, h); |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| static INLINE void high_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, int bd) { |
| sf->highbd_predict[subpel_x != 0][subpel_y != 0][ref]( |
| src, src_stride, dst, dst_stride, kernel[subpel_x], xs, kernel[subpel_y], |
| ys, w, h, bd); |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| static INLINE int round_mv_comp_q4(int value) { |
| return (value < 0 ? value - 2 : value + 2) / 4; |
| } |
| |
| static MV mi_mv_pred_q4(const MODE_INFO *mi, int idx) { |
| MV res = { |
| round_mv_comp_q4( |
| mi->bmi[0].as_mv[idx].as_mv.row + mi->bmi[1].as_mv[idx].as_mv.row + |
| mi->bmi[2].as_mv[idx].as_mv.row + mi->bmi[3].as_mv[idx].as_mv.row), |
| round_mv_comp_q4( |
| mi->bmi[0].as_mv[idx].as_mv.col + mi->bmi[1].as_mv[idx].as_mv.col + |
| mi->bmi[2].as_mv[idx].as_mv.col + mi->bmi[3].as_mv[idx].as_mv.col) |
| }; |
| return res; |
| } |
| |
| static INLINE int round_mv_comp_q2(int value) { |
| return (value < 0 ? value - 1 : value + 1) / 2; |
| } |
| |
| static MV mi_mv_pred_q2(const MODE_INFO *mi, int idx, int block0, int block1) { |
| MV res = { round_mv_comp_q2(mi->bmi[block0].as_mv[idx].as_mv.row + |
| mi->bmi[block1].as_mv[idx].as_mv.row), |
| round_mv_comp_q2(mi->bmi[block0].as_mv[idx].as_mv.col + |
| mi->bmi[block1].as_mv[idx].as_mv.col) }; |
| return res; |
| } |
| |
| // TODO(jkoleszar): yet another mv clamping function :-( |
| static INLINE MV clamp_mv_to_umv_border_sb(const MACROBLOCKD *xd, |
| const MV *src_mv, int bw, int bh, |
| int ss_x, int ss_y) { |
| // If the MV points so far into the UMV border that no visible pixels |
| // are used for reconstruction, the subpel part of the MV can be |
| // discarded and the MV limited to 16 pixels with equivalent results. |
| const int spel_left = (AOM_INTERP_EXTEND + bw) << SUBPEL_BITS; |
| const int spel_right = spel_left - SUBPEL_SHIFTS; |
| const int spel_top = (AOM_INTERP_EXTEND + bh) << SUBPEL_BITS; |
| const int spel_bottom = spel_top - SUBPEL_SHIFTS; |
| MV clamped_mv = { src_mv->row * (1 << (1 - ss_y)), |
| src_mv->col * (1 << (1 - ss_x)) }; |
| assert(ss_x <= 1); |
| assert(ss_y <= 1); |
| |
| clamp_mv(&clamped_mv, xd->mb_to_left_edge * (1 << (1 - ss_x)) - spel_left, |
| xd->mb_to_right_edge * (1 << (1 - ss_x)) + spel_right, |
| xd->mb_to_top_edge * (1 << (1 - ss_y)) - spel_top, |
| xd->mb_to_bottom_edge * (1 << (1 - ss_y)) + spel_bottom); |
| |
| return clamped_mv; |
| } |
| |
| static INLINE MV average_split_mvs(const struct macroblockd_plane *pd, |
| const MODE_INFO *mi, int ref, int block) { |
| const int ss_idx = ((pd->subsampling_x > 0) << 1) | (pd->subsampling_y > 0); |
| MV res = { 0, 0 }; |
| switch (ss_idx) { |
| case 0: res = mi->bmi[block].as_mv[ref].as_mv; break; |
| case 1: res = mi_mv_pred_q2(mi, ref, block, block + 2); break; |
| case 2: res = mi_mv_pred_q2(mi, ref, block, block + 1); break; |
| case 3: res = mi_mv_pred_q4(mi, ref); break; |
| default: assert(ss_idx <= 3 && ss_idx >= 0); |
| } |
| return res; |
| } |
| |
| void build_inter_predictors(MACROBLOCKD *xd, int plane, int block, int bw, |
| int bh, int x, int y, int w, int h, int mi_x, |
| int mi_y); |
| |
| void av1_build_inter_predictor_sub8x8(MACROBLOCKD *xd, int plane, int i, |
| int ir, int ic, int mi_row, int mi_col); |
| |
| void av1_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col, |
| BLOCK_SIZE bsize); |
| |
| void av1_build_inter_predictors_sbp(MACROBLOCKD *xd, int mi_row, int mi_col, |
| BLOCK_SIZE bsize, int plane); |
| |
| void av1_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col, |
| BLOCK_SIZE bsize); |
| |
| void av1_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col, |
| BLOCK_SIZE bsize); |
| |
| void av1_build_inter_predictor(const uint8_t *src, int src_stride, |
| uint8_t *dst, int dst_stride, const MV *mv_q3, |
| const struct scale_factors *sf, int w, int h, |
| int do_avg, const InterpKernel *kernel, |
| enum mv_precision precision, int x, int y); |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void av1_highbd_build_inter_predictor( |
| const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, |
| const MV *mv_q3, const struct scale_factors *sf, int w, int h, int do_avg, |
| const InterpKernel *kernel, enum mv_precision precision, int x, int y, |
| int bd); |
| #endif |
| |
| static INLINE int 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 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 av1_setup_dst_planes(struct macroblockd_plane planes[MAX_MB_PLANE], |
| const YV12_BUFFER_CONFIG *src, int mi_row, |
| int mi_col); |
| |
| void av1_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 // AV1_COMMON_RECONINTER_H_ |