201 строка
8.1 KiB
C
201 строка
8.1 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP10_COMMON_RECONINTER_H_
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#define VP10_COMMON_RECONINTER_H_
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#include "vp10/common/filter.h"
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#include "vp10/common/onyxc_int.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_dsp/vpx_filter.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static INLINE void inter_predictor(const uint8_t *src, int src_stride,
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uint8_t *dst, int dst_stride,
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const int subpel_x,
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const int subpel_y,
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const struct scale_factors *sf,
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int w, int h, int ref,
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const InterpKernel *kernel,
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int xs, int ys) {
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sf->predict[subpel_x != 0][subpel_y != 0][ref](
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src, src_stride, dst, dst_stride,
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kernel[subpel_x], xs, kernel[subpel_y], ys, w, h);
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}
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#if CONFIG_VP9_HIGHBITDEPTH
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static INLINE void high_inter_predictor(const uint8_t *src, int src_stride,
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uint8_t *dst, int dst_stride,
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const int subpel_x,
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const int subpel_y,
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const struct scale_factors *sf,
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int w, int h, int ref,
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const InterpKernel *kernel,
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int xs, int ys, int bd) {
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sf->highbd_predict[subpel_x != 0][subpel_y != 0][ref](
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src, src_stride, dst, dst_stride,
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kernel[subpel_x], xs, kernel[subpel_y], ys, w, h, bd);
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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static INLINE int round_mv_comp_q4(int value) {
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return (value < 0 ? value - 2 : value + 2) / 4;
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}
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static MV mi_mv_pred_q4(const MODE_INFO *mi, int idx) {
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MV res = { round_mv_comp_q4(mi->bmi[0].as_mv[idx].as_mv.row +
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mi->bmi[1].as_mv[idx].as_mv.row +
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mi->bmi[2].as_mv[idx].as_mv.row +
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mi->bmi[3].as_mv[idx].as_mv.row),
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round_mv_comp_q4(mi->bmi[0].as_mv[idx].as_mv.col +
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mi->bmi[1].as_mv[idx].as_mv.col +
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mi->bmi[2].as_mv[idx].as_mv.col +
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mi->bmi[3].as_mv[idx].as_mv.col) };
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return res;
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}
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static INLINE int round_mv_comp_q2(int value) {
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return (value < 0 ? value - 1 : value + 1) / 2;
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}
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static MV mi_mv_pred_q2(const MODE_INFO *mi, int idx, int block0, int block1) {
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MV res = { round_mv_comp_q2(mi->bmi[block0].as_mv[idx].as_mv.row +
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mi->bmi[block1].as_mv[idx].as_mv.row),
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round_mv_comp_q2(mi->bmi[block0].as_mv[idx].as_mv.col +
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mi->bmi[block1].as_mv[idx].as_mv.col) };
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return res;
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}
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// TODO(jkoleszar): yet another mv clamping function :-(
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static INLINE MV clamp_mv_to_umv_border_sb(const MACROBLOCKD *xd,
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const MV *src_mv,
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int bw, int bh, int ss_x, int ss_y) {
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// If the MV points so far into the UMV border that no visible pixels
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// are used for reconstruction, the subpel part of the MV can be
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// discarded and the MV limited to 16 pixels with equivalent results.
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const int spel_left = (VP9_INTERP_EXTEND + bw) << SUBPEL_BITS;
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const int spel_right = spel_left - SUBPEL_SHIFTS;
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const int spel_top = (VP9_INTERP_EXTEND + bh) << SUBPEL_BITS;
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const int spel_bottom = spel_top - SUBPEL_SHIFTS;
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MV clamped_mv = {
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src_mv->row * (1 << (1 - ss_y)),
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src_mv->col * (1 << (1 - ss_x))
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};
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assert(ss_x <= 1);
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assert(ss_y <= 1);
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clamp_mv(&clamped_mv,
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xd->mb_to_left_edge * (1 << (1 - ss_x)) - spel_left,
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xd->mb_to_right_edge * (1 << (1 - ss_x)) + spel_right,
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xd->mb_to_top_edge * (1 << (1 - ss_y)) - spel_top,
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xd->mb_to_bottom_edge * (1 << (1 - ss_y)) + spel_bottom);
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return clamped_mv;
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}
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static INLINE MV average_split_mvs(const struct macroblockd_plane *pd,
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const MODE_INFO *mi, int ref, int block) {
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const int ss_idx = ((pd->subsampling_x > 0) << 1) | (pd->subsampling_y > 0);
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MV res = {0, 0};
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switch (ss_idx) {
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case 0:
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res = mi->bmi[block].as_mv[ref].as_mv;
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break;
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case 1:
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res = mi_mv_pred_q2(mi, ref, block, block + 2);
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break;
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case 2:
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res = mi_mv_pred_q2(mi, ref, block, block + 1);
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break;
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case 3:
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res = mi_mv_pred_q4(mi, ref);
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break;
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default:
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assert(ss_idx <= 3 && ss_idx >= 0);
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}
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return res;
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}
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void build_inter_predictors(MACROBLOCKD *xd, int plane, int block,
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int bw, int bh,
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int x, int y, int w, int h,
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int mi_x, int mi_y);
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void vp10_build_inter_predictor_sub8x8(MACROBLOCKD *xd, int plane,
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int i, int ir, int ic,
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int mi_row, int mi_col);
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void vp10_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col,
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BLOCK_SIZE bsize);
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void vp10_build_inter_predictors_sbp(MACROBLOCKD *xd, int mi_row, int mi_col,
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BLOCK_SIZE bsize, int plane);
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void vp10_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col,
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BLOCK_SIZE bsize);
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void vp10_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col,
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BLOCK_SIZE bsize);
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void vp10_build_inter_predictor(const uint8_t *src, int src_stride,
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uint8_t *dst, int dst_stride,
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const MV *mv_q3,
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const struct scale_factors *sf,
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int w, int h, int do_avg,
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const InterpKernel *kernel,
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enum mv_precision precision,
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int x, int y);
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#if CONFIG_VP9_HIGHBITDEPTH
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void vp10_highbd_build_inter_predictor(const uint8_t *src, int src_stride,
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uint8_t *dst, int dst_stride,
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const MV *mv_q3,
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const struct scale_factors *sf,
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int w, int h, int do_avg,
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const InterpKernel *kernel,
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enum mv_precision precision,
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int x, int y, int bd);
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#endif
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static INLINE int scaled_buffer_offset(int x_offset, int y_offset, int stride,
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const struct scale_factors *sf) {
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const int x = sf ? sf->scale_value_x(x_offset, sf) : x_offset;
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const int y = sf ? sf->scale_value_y(y_offset, sf) : y_offset;
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return y * stride + x;
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}
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static INLINE void setup_pred_plane(struct buf_2d *dst,
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uint8_t *src, int stride,
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int mi_row, int mi_col,
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const struct scale_factors *scale,
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int subsampling_x, int subsampling_y) {
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const int x = (MI_SIZE * mi_col) >> subsampling_x;
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const int y = (MI_SIZE * mi_row) >> subsampling_y;
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dst->buf = src + scaled_buffer_offset(x, y, stride, scale);
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dst->stride = stride;
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}
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void vp10_setup_dst_planes(struct macroblockd_plane planes[MAX_MB_PLANE],
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const YV12_BUFFER_CONFIG *src,
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int mi_row, int mi_col);
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void vp10_setup_pre_planes(MACROBLOCKD *xd, int idx,
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const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,
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const struct scale_factors *sf);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP10_COMMON_RECONINTER_H_
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