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-rw-r--r--vp10/common/vp9_reconinter.h195
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diff --git a/vp10/common/vp9_reconinter.h b/vp10/common/vp9_reconinter.h
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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 "vp10/common/vp9_filter.h"
+#include "vp10/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, kernel[subpel_y], ys, w, h);
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static 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_VP9_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 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 = (VP9_INTERP_EXTEND + bw) << SUBPEL_BITS;
+ const int spel_right = spel_left - SUBPEL_SHIFTS;
+ const int spel_top = (VP9_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 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 vp10_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col,
+ BLOCK_SIZE bsize);
+
+void vp10_build_inter_predictors_sbp(MACROBLOCKD *xd, int mi_row, int mi_col,
+ BLOCK_SIZE bsize, int plane);
+
+void vp10_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col,
+ BLOCK_SIZE bsize);
+
+void vp10_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col,
+ BLOCK_SIZE bsize);
+
+void vp10_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_VP9_HIGHBITDEPTH
+void vp10_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 vp10_setup_dst_planes(struct macroblockd_plane planes[MAX_MB_PLANE],
+ const YV12_BUFFER_CONFIG *src,
+ int mi_row, int mi_col);
+
+void vp10_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 // VP9_COMMON_VP9_RECONINTER_H_
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