e6e2d886d3
Using the up-sampled reference frames in sub-pixel motion search is enabled as a speed feature for good-quality mode speed 0 and speed 1. Change-Id: Ieb454bf8c646ddb99e87bd64c8e74dbd78d84a50
3021 lines
110 KiB
C
3021 lines
110 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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#include <limits.h>
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#include <math.h>
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#include <stdio.h>
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#include "./vpx_config.h"
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#include "./vpx_dsp_rtcd.h"
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#include "vpx_dsp/vpx_dsp_common.h"
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#include "vpx_mem/vpx_mem.h"
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#include "vpx_ports/mem.h"
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#include "vp10/common/common.h"
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#include "vp10/common/reconinter.h"
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#include "vp10/encoder/encoder.h"
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#include "vp10/encoder/mcomp.h"
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// #define NEW_DIAMOND_SEARCH
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static INLINE const uint8_t *get_buf_from_mv(const struct buf_2d *buf,
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const MV *mv) {
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return &buf->buf[mv->row * buf->stride + mv->col];
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}
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void vp10_set_mv_search_range(MACROBLOCK *x, const MV *mv) {
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int col_min = (mv->col >> 3) - MAX_FULL_PEL_VAL + (mv->col & 7 ? 1 : 0);
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int row_min = (mv->row >> 3) - MAX_FULL_PEL_VAL + (mv->row & 7 ? 1 : 0);
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int col_max = (mv->col >> 3) + MAX_FULL_PEL_VAL;
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int row_max = (mv->row >> 3) + MAX_FULL_PEL_VAL;
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col_min = VPXMAX(col_min, (MV_LOW >> 3) + 1);
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row_min = VPXMAX(row_min, (MV_LOW >> 3) + 1);
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col_max = VPXMIN(col_max, (MV_UPP >> 3) - 1);
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row_max = VPXMIN(row_max, (MV_UPP >> 3) - 1);
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// Get intersection of UMV window and valid MV window to reduce # of checks
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// in diamond search.
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if (x->mv_col_min < col_min)
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x->mv_col_min = col_min;
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if (x->mv_col_max > col_max)
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x->mv_col_max = col_max;
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if (x->mv_row_min < row_min)
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x->mv_row_min = row_min;
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if (x->mv_row_max > row_max)
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x->mv_row_max = row_max;
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}
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int vp10_init_search_range(int size) {
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int sr = 0;
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// Minimum search size no matter what the passed in value.
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size = VPXMAX(16, size);
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while ((size << sr) < MAX_FULL_PEL_VAL)
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sr++;
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sr = VPXMIN(sr, MAX_MVSEARCH_STEPS - 2);
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return sr;
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}
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static INLINE int mv_cost(const MV *mv,
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const int *joint_cost, int *const comp_cost[2]) {
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return joint_cost[vp10_get_mv_joint(mv)] +
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comp_cost[0][mv->row] + comp_cost[1][mv->col];
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}
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int vp10_mv_bit_cost(const MV *mv, const MV *ref,
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const int *mvjcost, int *mvcost[2], int weight) {
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const MV diff = { mv->row - ref->row,
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mv->col - ref->col };
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return ROUND_POWER_OF_TWO(mv_cost(&diff, mvjcost, mvcost) * weight, 7);
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}
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#define PIXEL_TRANSFORM_ERROR_SCALE 4
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static int mv_err_cost(const MV *mv, const MV *ref, const int *mvjcost,
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int *mvcost[2], int error_per_bit) {
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if (mvcost) {
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const MV diff = {mv->row - ref->row, mv->col - ref->col};
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// This product sits at a 32-bit ceiling right now and any additional
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// accuracy in either bit cost or error cost will cause it to overflow.
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return ROUND_POWER_OF_TWO(
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(unsigned)mv_cost(&diff, mvjcost, mvcost) * error_per_bit,
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RDDIV_BITS + VP9_PROB_COST_SHIFT - RD_EPB_SHIFT +
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PIXEL_TRANSFORM_ERROR_SCALE);
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}
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return 0;
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}
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static int mvsad_err_cost(const MACROBLOCK *x, const MV *mv, const MV *ref,
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int sad_per_bit) {
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#if CONFIG_REF_MV
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const MV diff = { (mv->row - ref->row) << 3,
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(mv->col - ref->col) << 3 };
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return ROUND_POWER_OF_TWO(
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(unsigned)mv_cost(&diff, x->nmvjointsadcost, x->mvsadcost) *
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sad_per_bit,
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VP9_PROB_COST_SHIFT);
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#else
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const MV diff = { mv->row - ref->row,
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mv->col - ref->col };
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return ROUND_POWER_OF_TWO(
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(unsigned)mv_cost(&diff, x->nmvjointsadcost, x->nmvsadcost) *
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sad_per_bit,
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VP9_PROB_COST_SHIFT);
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#endif
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}
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void vp10_init_dsmotion_compensation(search_site_config *cfg, int stride) {
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int len, ss_count = 1;
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cfg->ss[0].mv.col = cfg->ss[0].mv.row = 0;
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cfg->ss[0].offset = 0;
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for (len = MAX_FIRST_STEP; len > 0; len /= 2) {
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// Generate offsets for 4 search sites per step.
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const MV ss_mvs[] = {{-len, 0}, {len, 0}, {0, -len}, {0, len}};
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int i;
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for (i = 0; i < 4; ++i) {
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search_site *const ss = &cfg->ss[ss_count++];
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ss->mv = ss_mvs[i];
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ss->offset = ss->mv.row * stride + ss->mv.col;
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}
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}
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cfg->ss_count = ss_count;
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cfg->searches_per_step = 4;
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}
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void vp10_init3smotion_compensation(search_site_config *cfg, int stride) {
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int len, ss_count = 1;
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cfg->ss[0].mv.col = cfg->ss[0].mv.row = 0;
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cfg->ss[0].offset = 0;
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for (len = MAX_FIRST_STEP; len > 0; len /= 2) {
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// Generate offsets for 8 search sites per step.
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const MV ss_mvs[8] = {
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{-len, 0 }, {len, 0 }, { 0, -len}, {0, len},
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{-len, -len}, {-len, len}, {len, -len}, {len, len}
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};
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int i;
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for (i = 0; i < 8; ++i) {
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search_site *const ss = &cfg->ss[ss_count++];
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ss->mv = ss_mvs[i];
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ss->offset = ss->mv.row * stride + ss->mv.col;
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}
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}
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cfg->ss_count = ss_count;
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cfg->searches_per_step = 8;
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}
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/*
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* To avoid the penalty for crossing cache-line read, preload the reference
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* area in a small buffer, which is aligned to make sure there won't be crossing
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* cache-line read while reading from this buffer. This reduced the cpu
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* cycles spent on reading ref data in sub-pixel filter functions.
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* TODO: Currently, since sub-pixel search range here is -3 ~ 3, copy 22 rows x
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* 32 cols area that is enough for 16x16 macroblock. Later, for SPLITMV, we
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* could reduce the area.
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*/
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/* Estimated (square) error cost of a motion vector (r,c). The 14 scale comes
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* from the same math as in mv_err_cost(). */
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#define MVC(r, c) \
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(mvcost ? \
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((unsigned)(mvjcost[((r) != rr) * 2 + ((c) != rc)] + \
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mvcost[0][((r) - rr)] + mvcost[1][((c) - rc)]) * \
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error_per_bit + 8192) >> 14 : 0)
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// convert motion vector component to offset for sv[a]f calc
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static INLINE int sp(int x) {
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return x & 7;
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}
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static INLINE const uint8_t *pre(const uint8_t *buf, int stride, int r, int c) {
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return &buf[(r >> 3) * stride + (c >> 3)];
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}
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/* checks if (r, c) has better score than previous best */
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#define CHECK_BETTER(v, r, c) \
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if (c >= minc && c <= maxc && r >= minr && r <= maxr) { \
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if (second_pred == NULL) \
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thismse = vfp->svf(pre(y, y_stride, r, c), y_stride, sp(c), sp(r), z, \
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src_stride, &sse); \
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else \
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thismse = vfp->svaf(pre(y, y_stride, r, c), y_stride, sp(c), sp(r), \
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z, src_stride, &sse, second_pred); \
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if ((v = MVC(r, c) + thismse) < besterr) { \
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besterr = v; \
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br = r; \
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bc = c; \
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*distortion = thismse; \
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*sse1 = sse; \
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} \
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} else { \
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v = INT_MAX; \
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}
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#define CHECK_BETTER0(v, r, c) CHECK_BETTER(v, r, c)
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static INLINE const uint8_t *upre(const uint8_t *buf, int stride,
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int r, int c) {
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return &buf[(r) * stride + (c)];
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}
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/* checks if (r, c) has better score than previous best */
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#define CHECK_BETTER1(v, r, c) \
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if (c >= minc && c <= maxc && r >= minr && r <= maxr) { \
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thismse = upsampled_pref_error(xd, vfp, z, src_stride, \
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upre(y, y_stride, r, c), y_stride, \
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second_pred, w, h, &sse); \
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if ((v = MVC(r, c) + thismse) < besterr) { \
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besterr = v; \
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br = r; \
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bc = c; \
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*distortion = thismse; \
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*sse1 = sse; \
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} \
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} else { \
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v = INT_MAX; \
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}
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#define FIRST_LEVEL_CHECKS \
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{ \
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unsigned int left, right, up, down, diag; \
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CHECK_BETTER(left, tr, tc - hstep); \
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CHECK_BETTER(right, tr, tc + hstep); \
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CHECK_BETTER(up, tr - hstep, tc); \
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CHECK_BETTER(down, tr + hstep, tc); \
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whichdir = (left < right ? 0 : 1) + \
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(up < down ? 0 : 2); \
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switch (whichdir) { \
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case 0: \
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CHECK_BETTER(diag, tr - hstep, tc - hstep); \
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break; \
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case 1: \
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CHECK_BETTER(diag, tr - hstep, tc + hstep); \
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break; \
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case 2: \
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CHECK_BETTER(diag, tr + hstep, tc - hstep); \
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break; \
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case 3: \
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CHECK_BETTER(diag, tr + hstep, tc + hstep); \
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break; \
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} \
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}
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#define SECOND_LEVEL_CHECKS \
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{ \
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int kr, kc; \
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unsigned int second; \
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if (tr != br && tc != bc) { \
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kr = br - tr; \
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kc = bc - tc; \
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CHECK_BETTER(second, tr + kr, tc + 2 * kc); \
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CHECK_BETTER(second, tr + 2 * kr, tc + kc); \
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} else if (tr == br && tc != bc) { \
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kc = bc - tc; \
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CHECK_BETTER(second, tr + hstep, tc + 2 * kc); \
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CHECK_BETTER(second, tr - hstep, tc + 2 * kc); \
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switch (whichdir) { \
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case 0: \
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case 1: \
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CHECK_BETTER(second, tr + hstep, tc + kc); \
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break; \
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case 2: \
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case 3: \
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CHECK_BETTER(second, tr - hstep, tc + kc); \
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break; \
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} \
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} else if (tr != br && tc == bc) { \
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kr = br - tr; \
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CHECK_BETTER(second, tr + 2 * kr, tc + hstep); \
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CHECK_BETTER(second, tr + 2 * kr, tc - hstep); \
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switch (whichdir) { \
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case 0: \
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case 2: \
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CHECK_BETTER(second, tr + kr, tc + hstep); \
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break; \
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case 1: \
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case 3: \
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CHECK_BETTER(second, tr + kr, tc - hstep); \
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break; \
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} \
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} \
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}
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// TODO(yunqingwang): SECOND_LEVEL_CHECKS_BEST was a rewrote of
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// SECOND_LEVEL_CHECKS, and SECOND_LEVEL_CHECKS should be rewritten
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// later in the same way.
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#define SECOND_LEVEL_CHECKS_BEST(k) \
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{ \
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unsigned int second; \
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int br0 = br; \
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int bc0 = bc; \
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assert(tr == br || tc == bc); \
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if (tr == br && tc != bc) { \
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kc = bc - tc; \
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} else if (tr != br && tc == bc) { \
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kr = br - tr; \
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} \
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CHECK_BETTER##k(second, br0 + kr, bc0); \
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CHECK_BETTER##k(second, br0, bc0 + kc); \
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if (br0 != br || bc0 != bc) { \
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CHECK_BETTER##k(second, br0 + kr, bc0 + kc); \
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} \
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}
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#define SETUP_SUBPEL_SEARCH \
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const uint8_t *const z = x->plane[0].src.buf; \
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const int src_stride = x->plane[0].src.stride; \
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const MACROBLOCKD *xd = &x->e_mbd; \
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unsigned int besterr = INT_MAX; \
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unsigned int sse; \
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unsigned int whichdir; \
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int thismse; \
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const unsigned int halfiters = iters_per_step; \
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const unsigned int quarteriters = iters_per_step; \
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const unsigned int eighthiters = iters_per_step; \
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const int y_stride = xd->plane[0].pre[0].stride; \
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const int offset = bestmv->row * y_stride + bestmv->col; \
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const uint8_t *const y = xd->plane[0].pre[0].buf; \
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\
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int rr = ref_mv->row; \
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int rc = ref_mv->col; \
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int br = bestmv->row * 8; \
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int bc = bestmv->col * 8; \
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int hstep = 4; \
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const int minc = VPXMAX(x->mv_col_min * 8, ref_mv->col - MV_MAX); \
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const int maxc = VPXMIN(x->mv_col_max * 8, ref_mv->col + MV_MAX); \
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const int minr = VPXMAX(x->mv_row_min * 8, ref_mv->row - MV_MAX); \
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const int maxr = VPXMIN(x->mv_row_max * 8, ref_mv->row + MV_MAX); \
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int tr = br; \
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int tc = bc; \
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\
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bestmv->row *= 8; \
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bestmv->col *= 8;
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static unsigned int setup_center_error(const MACROBLOCKD *xd,
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const MV *bestmv,
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const MV *ref_mv,
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int error_per_bit,
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const vp10_variance_fn_ptr_t *vfp,
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const uint8_t *const src,
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const int src_stride,
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const uint8_t *const y,
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int y_stride,
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const uint8_t *second_pred,
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int w, int h, int offset,
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int *mvjcost, int *mvcost[2],
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unsigned int *sse1,
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int *distortion) {
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unsigned int besterr;
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#if CONFIG_VP9_HIGHBITDEPTH
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if (second_pred != NULL) {
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if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
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DECLARE_ALIGNED(16, uint16_t, comp_pred16[64 * 64]);
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vpx_highbd_comp_avg_pred(comp_pred16, second_pred, w, h, y + offset,
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y_stride);
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besterr = vfp->vf(CONVERT_TO_BYTEPTR(comp_pred16), w, src, src_stride,
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sse1);
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} else {
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DECLARE_ALIGNED(16, uint8_t, comp_pred[64 * 64]);
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vpx_comp_avg_pred(comp_pred, second_pred, w, h, y + offset, y_stride);
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besterr = vfp->vf(comp_pred, w, src, src_stride, sse1);
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}
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} else {
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besterr = vfp->vf(y + offset, y_stride, src, src_stride, sse1);
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}
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*distortion = besterr;
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besterr += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit);
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#else
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(void) xd;
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if (second_pred != NULL) {
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DECLARE_ALIGNED(16, uint8_t, comp_pred[64 * 64]);
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vpx_comp_avg_pred(comp_pred, second_pred, w, h, y + offset, y_stride);
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besterr = vfp->vf(comp_pred, w, src, src_stride, sse1);
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} else {
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besterr = vfp->vf(y + offset, y_stride, src, src_stride, sse1);
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}
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*distortion = besterr;
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besterr += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit);
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#endif // CONFIG_VP9_HIGHBITDEPTH
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return besterr;
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}
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static INLINE int divide_and_round(const int n, const int d) {
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return ((n < 0) ^ (d < 0)) ? ((n - d / 2) / d) : ((n + d / 2) / d);
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}
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static INLINE int is_cost_list_wellbehaved(int *cost_list) {
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return cost_list[0] < cost_list[1] &&
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cost_list[0] < cost_list[2] &&
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cost_list[0] < cost_list[3] &&
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cost_list[0] < cost_list[4];
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}
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// Returns surface minima estimate at given precision in 1/2^n bits.
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// Assume a model for the cost surface: S = A(x - x0)^2 + B(y - y0)^2 + C
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// For a given set of costs S0, S1, S2, S3, S4 at points
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// (y, x) = (0, 0), (0, -1), (1, 0), (0, 1) and (-1, 0) respectively,
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// the solution for the location of the minima (x0, y0) is given by:
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// x0 = 1/2 (S1 - S3)/(S1 + S3 - 2*S0),
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// y0 = 1/2 (S4 - S2)/(S4 + S2 - 2*S0).
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// The code below is an integerized version of that.
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static void get_cost_surf_min(int *cost_list, int *ir, int *ic,
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int bits) {
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*ic = divide_and_round((cost_list[1] - cost_list[3]) * (1 << (bits - 1)),
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(cost_list[1] - 2 * cost_list[0] + cost_list[3]));
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*ir = divide_and_round((cost_list[4] - cost_list[2]) * (1 << (bits - 1)),
|
|
(cost_list[4] - 2 * cost_list[0] + cost_list[2]));
|
|
}
|
|
|
|
int vp10_find_best_sub_pixel_tree_pruned_evenmore(
|
|
const MACROBLOCK *x,
|
|
MV *bestmv, const MV *ref_mv,
|
|
int allow_hp,
|
|
int error_per_bit,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int forced_stop,
|
|
int iters_per_step,
|
|
int *cost_list,
|
|
int *mvjcost, int *mvcost[2],
|
|
int *distortion,
|
|
unsigned int *sse1,
|
|
const uint8_t *second_pred,
|
|
int w, int h, int use_upsampled_ref) {
|
|
SETUP_SUBPEL_SEARCH;
|
|
besterr = setup_center_error(xd, bestmv, ref_mv, error_per_bit, vfp,
|
|
z, src_stride, y, y_stride, second_pred,
|
|
w, h, offset, mvjcost, mvcost,
|
|
sse1, distortion);
|
|
(void) halfiters;
|
|
(void) quarteriters;
|
|
(void) eighthiters;
|
|
(void) whichdir;
|
|
(void) allow_hp;
|
|
(void) forced_stop;
|
|
(void) hstep;
|
|
(void) use_upsampled_ref;
|
|
|
|
if (cost_list &&
|
|
cost_list[0] != INT_MAX && cost_list[1] != INT_MAX &&
|
|
cost_list[2] != INT_MAX && cost_list[3] != INT_MAX &&
|
|
cost_list[4] != INT_MAX &&
|
|
is_cost_list_wellbehaved(cost_list)) {
|
|
int ir, ic;
|
|
unsigned int minpt;
|
|
get_cost_surf_min(cost_list, &ir, &ic, 2);
|
|
if (ir != 0 || ic != 0) {
|
|
CHECK_BETTER(minpt, tr + 2 * ir, tc + 2 * ic);
|
|
}
|
|
} else {
|
|
FIRST_LEVEL_CHECKS;
|
|
if (halfiters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
|
|
tr = br;
|
|
tc = bc;
|
|
|
|
// Each subsequent iteration checks at least one point in common with
|
|
// the last iteration could be 2 ( if diag selected) 1/4 pel
|
|
// Note forced_stop: 0 - full, 1 - qtr only, 2 - half only
|
|
if (forced_stop != 2) {
|
|
hstep >>= 1;
|
|
FIRST_LEVEL_CHECKS;
|
|
if (quarteriters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
}
|
|
}
|
|
|
|
tr = br;
|
|
tc = bc;
|
|
|
|
if (allow_hp && vp10_use_mv_hp(ref_mv) && forced_stop == 0) {
|
|
hstep >>= 1;
|
|
FIRST_LEVEL_CHECKS;
|
|
if (eighthiters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
}
|
|
|
|
bestmv->row = br;
|
|
bestmv->col = bc;
|
|
|
|
if ((abs(bestmv->col - ref_mv->col) > (MAX_FULL_PEL_VAL << 3)) ||
|
|
(abs(bestmv->row - ref_mv->row) > (MAX_FULL_PEL_VAL << 3)))
|
|
return INT_MAX;
|
|
|
|
return besterr;
|
|
}
|
|
|
|
int vp10_find_best_sub_pixel_tree_pruned_more(const MACROBLOCK *x,
|
|
MV *bestmv, const MV *ref_mv,
|
|
int allow_hp,
|
|
int error_per_bit,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int forced_stop,
|
|
int iters_per_step,
|
|
int *cost_list,
|
|
int *mvjcost, int *mvcost[2],
|
|
int *distortion,
|
|
unsigned int *sse1,
|
|
const uint8_t *second_pred,
|
|
int w, int h,
|
|
int use_upsampled_ref) {
|
|
SETUP_SUBPEL_SEARCH;
|
|
(void) use_upsampled_ref;
|
|
|
|
besterr = setup_center_error(xd, bestmv, ref_mv, error_per_bit, vfp,
|
|
z, src_stride, y, y_stride, second_pred,
|
|
w, h, offset, mvjcost, mvcost,
|
|
sse1, distortion);
|
|
if (cost_list &&
|
|
cost_list[0] != INT_MAX && cost_list[1] != INT_MAX &&
|
|
cost_list[2] != INT_MAX && cost_list[3] != INT_MAX &&
|
|
cost_list[4] != INT_MAX &&
|
|
is_cost_list_wellbehaved(cost_list)) {
|
|
unsigned int minpt;
|
|
int ir, ic;
|
|
get_cost_surf_min(cost_list, &ir, &ic, 1);
|
|
if (ir != 0 || ic != 0) {
|
|
CHECK_BETTER(minpt, tr + ir * hstep, tc + ic * hstep);
|
|
}
|
|
} else {
|
|
FIRST_LEVEL_CHECKS;
|
|
if (halfiters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
}
|
|
|
|
// Each subsequent iteration checks at least one point in common with
|
|
// the last iteration could be 2 ( if diag selected) 1/4 pel
|
|
|
|
// Note forced_stop: 0 - full, 1 - qtr only, 2 - half only
|
|
if (forced_stop != 2) {
|
|
tr = br;
|
|
tc = bc;
|
|
hstep >>= 1;
|
|
FIRST_LEVEL_CHECKS;
|
|
if (quarteriters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
}
|
|
|
|
if (allow_hp && vp10_use_mv_hp(ref_mv) && forced_stop == 0) {
|
|
tr = br;
|
|
tc = bc;
|
|
hstep >>= 1;
|
|
FIRST_LEVEL_CHECKS;
|
|
if (eighthiters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
}
|
|
// These lines insure static analysis doesn't warn that
|
|
// tr and tc aren't used after the above point.
|
|
(void) tr;
|
|
(void) tc;
|
|
|
|
bestmv->row = br;
|
|
bestmv->col = bc;
|
|
|
|
if ((abs(bestmv->col - ref_mv->col) > (MAX_FULL_PEL_VAL << 3)) ||
|
|
(abs(bestmv->row - ref_mv->row) > (MAX_FULL_PEL_VAL << 3)))
|
|
return INT_MAX;
|
|
|
|
return besterr;
|
|
}
|
|
|
|
int vp10_find_best_sub_pixel_tree_pruned(const MACROBLOCK *x,
|
|
MV *bestmv, const MV *ref_mv,
|
|
int allow_hp,
|
|
int error_per_bit,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int forced_stop,
|
|
int iters_per_step,
|
|
int *cost_list,
|
|
int *mvjcost, int *mvcost[2],
|
|
int *distortion,
|
|
unsigned int *sse1,
|
|
const uint8_t *second_pred,
|
|
int w, int h, int use_upsampled_ref) {
|
|
SETUP_SUBPEL_SEARCH;
|
|
(void) use_upsampled_ref;
|
|
|
|
besterr = setup_center_error(xd, bestmv, ref_mv, error_per_bit, vfp,
|
|
z, src_stride, y, y_stride, second_pred,
|
|
w, h, offset, mvjcost, mvcost,
|
|
sse1, distortion);
|
|
if (cost_list &&
|
|
cost_list[0] != INT_MAX && cost_list[1] != INT_MAX &&
|
|
cost_list[2] != INT_MAX && cost_list[3] != INT_MAX &&
|
|
cost_list[4] != INT_MAX) {
|
|
unsigned int left, right, up, down, diag;
|
|
whichdir = (cost_list[1] < cost_list[3] ? 0 : 1) +
|
|
(cost_list[2] < cost_list[4] ? 0 : 2);
|
|
switch (whichdir) {
|
|
case 0:
|
|
CHECK_BETTER(left, tr, tc - hstep);
|
|
CHECK_BETTER(down, tr + hstep, tc);
|
|
CHECK_BETTER(diag, tr + hstep, tc - hstep);
|
|
break;
|
|
case 1:
|
|
CHECK_BETTER(right, tr, tc + hstep);
|
|
CHECK_BETTER(down, tr + hstep, tc);
|
|
CHECK_BETTER(diag, tr + hstep, tc + hstep);
|
|
break;
|
|
case 2:
|
|
CHECK_BETTER(left, tr, tc - hstep);
|
|
CHECK_BETTER(up, tr - hstep, tc);
|
|
CHECK_BETTER(diag, tr - hstep, tc - hstep);
|
|
break;
|
|
case 3:
|
|
CHECK_BETTER(right, tr, tc + hstep);
|
|
CHECK_BETTER(up, tr - hstep, tc);
|
|
CHECK_BETTER(diag, tr - hstep, tc + hstep);
|
|
break;
|
|
}
|
|
} else {
|
|
FIRST_LEVEL_CHECKS;
|
|
if (halfiters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
}
|
|
|
|
tr = br;
|
|
tc = bc;
|
|
|
|
// Each subsequent iteration checks at least one point in common with
|
|
// the last iteration could be 2 ( if diag selected) 1/4 pel
|
|
|
|
// Note forced_stop: 0 - full, 1 - qtr only, 2 - half only
|
|
if (forced_stop != 2) {
|
|
hstep >>= 1;
|
|
FIRST_LEVEL_CHECKS;
|
|
if (quarteriters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
tr = br;
|
|
tc = bc;
|
|
}
|
|
|
|
if (allow_hp && vp10_use_mv_hp(ref_mv) && forced_stop == 0) {
|
|
hstep >>= 1;
|
|
FIRST_LEVEL_CHECKS;
|
|
if (eighthiters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
tr = br;
|
|
tc = bc;
|
|
}
|
|
// These lines insure static analysis doesn't warn that
|
|
// tr and tc aren't used after the above point.
|
|
(void) tr;
|
|
(void) tc;
|
|
|
|
bestmv->row = br;
|
|
bestmv->col = bc;
|
|
|
|
if ((abs(bestmv->col - ref_mv->col) > (MAX_FULL_PEL_VAL << 3)) ||
|
|
(abs(bestmv->row - ref_mv->row) > (MAX_FULL_PEL_VAL << 3)))
|
|
return INT_MAX;
|
|
|
|
return besterr;
|
|
}
|
|
|
|
static const MV search_step_table[12] = {
|
|
// left, right, up, down
|
|
{0, -4}, {0, 4}, {-4, 0}, {4, 0},
|
|
{0, -2}, {0, 2}, {-2, 0}, {2, 0},
|
|
{0, -1}, {0, 1}, {-1, 0}, {1, 0}
|
|
};
|
|
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
// TODO(yunqing): Optimize the following 2 functions.
|
|
static void highbd_comp_avg_upsampled_pred(uint16_t *comp_pred,
|
|
const uint8_t *pred8,
|
|
int width, int height,
|
|
const uint8_t *ref8,
|
|
int ref_stride) {
|
|
int i, j;
|
|
int stride = ref_stride << 3;
|
|
|
|
uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
|
|
uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
|
|
for (i = 0; i < height; ++i) {
|
|
for (j = 0; j < width; ++j) {
|
|
const int tmp = pred[j] + ref[(j << 3)];
|
|
comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
|
|
}
|
|
comp_pred += width;
|
|
pred += width;
|
|
ref += stride;
|
|
}
|
|
}
|
|
|
|
static void highbd_upsampled_pred(uint16_t *comp_pred,
|
|
int width, int height,
|
|
const uint8_t *ref8,
|
|
int ref_stride) {
|
|
int i, j;
|
|
int stride = ref_stride << 3;
|
|
|
|
uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
|
|
for (i = 0; i < height; ++i) {
|
|
for (j = 0; j < width; ++j) {
|
|
comp_pred[j] = ref[(j << 3)];
|
|
}
|
|
comp_pred += width;
|
|
ref += stride;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static int upsampled_pref_error(const MACROBLOCKD *xd,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
const uint8_t *const src, const int src_stride,
|
|
const uint8_t *const y, int y_stride,
|
|
const uint8_t *second_pred,
|
|
int w, int h, unsigned int *sse) {
|
|
unsigned int besterr;
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
|
|
DECLARE_ALIGNED(16, uint16_t, pred16[64 * 64]);
|
|
if (second_pred != NULL)
|
|
highbd_comp_avg_upsampled_pred(pred16, second_pred, w, h, y,
|
|
y_stride);
|
|
else
|
|
highbd_upsampled_pred(pred16, w, h, y, y_stride);
|
|
|
|
besterr = vfp->vf(CONVERT_TO_BYTEPTR(pred16), w, src, src_stride,
|
|
sse);
|
|
} else {
|
|
DECLARE_ALIGNED(16, uint8_t, pred[64 * 64]);
|
|
#else
|
|
DECLARE_ALIGNED(16, uint8_t, pred[64 * 64]);
|
|
(void) xd;
|
|
#endif // CONFIG_VP9_HIGHBITDEPTH
|
|
if (second_pred != NULL)
|
|
vpx_comp_avg_upsampled_pred(pred, second_pred, w, h, y,
|
|
y_stride);
|
|
else
|
|
vpx_upsampled_pred(pred, w, h, y, y_stride);
|
|
|
|
besterr = vfp->vf(pred, w, src, src_stride, sse);
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
}
|
|
#endif
|
|
return besterr;
|
|
}
|
|
|
|
static unsigned int upsampled_setup_center_error(
|
|
const MACROBLOCKD *xd, const MV *bestmv, const MV *ref_mv,
|
|
int error_per_bit, const vp10_variance_fn_ptr_t *vfp,
|
|
const uint8_t *const src, const int src_stride,
|
|
const uint8_t *const y, int y_stride, const uint8_t *second_pred,
|
|
int w, int h, int offset, int *mvjcost, int *mvcost[2],
|
|
unsigned int *sse1, int *distortion) {
|
|
unsigned int besterr = upsampled_pref_error(xd, vfp, src, src_stride,
|
|
y + offset, y_stride, second_pred,
|
|
w, h, sse1);
|
|
*distortion = besterr;
|
|
besterr += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit);
|
|
return besterr;
|
|
}
|
|
|
|
int vp10_find_best_sub_pixel_tree(const MACROBLOCK *x,
|
|
MV *bestmv, const MV *ref_mv,
|
|
int allow_hp,
|
|
int error_per_bit,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int forced_stop,
|
|
int iters_per_step,
|
|
int *cost_list,
|
|
int *mvjcost, int *mvcost[2],
|
|
int *distortion,
|
|
unsigned int *sse1,
|
|
const uint8_t *second_pred,
|
|
int w, int h, int use_upsampled_ref) {
|
|
const uint8_t *const z = x->plane[0].src.buf;
|
|
const uint8_t *const src_address = z;
|
|
const int src_stride = x->plane[0].src.stride;
|
|
const MACROBLOCKD *xd = &x->e_mbd;
|
|
unsigned int besterr = INT_MAX;
|
|
unsigned int sse;
|
|
unsigned int thismse;
|
|
const int y_stride = xd->plane[0].pre[0].stride;
|
|
const int offset = bestmv->row * y_stride + bestmv->col;
|
|
const uint8_t *const y = xd->plane[0].pre[0].buf;
|
|
|
|
int rr = ref_mv->row;
|
|
int rc = ref_mv->col;
|
|
int br = bestmv->row * 8;
|
|
int bc = bestmv->col * 8;
|
|
int hstep = 4;
|
|
int iter, round = 3 - forced_stop;
|
|
const int minc = VPXMAX(x->mv_col_min * 8, ref_mv->col - MV_MAX);
|
|
const int maxc = VPXMIN(x->mv_col_max * 8, ref_mv->col + MV_MAX);
|
|
const int minr = VPXMAX(x->mv_row_min * 8, ref_mv->row - MV_MAX);
|
|
const int maxr = VPXMIN(x->mv_row_max * 8, ref_mv->row + MV_MAX);
|
|
int tr = br;
|
|
int tc = bc;
|
|
const MV *search_step = search_step_table;
|
|
int idx, best_idx = -1;
|
|
unsigned int cost_array[5];
|
|
int kr, kc;
|
|
|
|
if (!(allow_hp && vp10_use_mv_hp(ref_mv)))
|
|
if (round == 3)
|
|
round = 2;
|
|
|
|
bestmv->row *= 8;
|
|
bestmv->col *= 8;
|
|
|
|
// use_upsampled_ref can be 0 or 1
|
|
if (use_upsampled_ref)
|
|
besterr = upsampled_setup_center_error(xd, bestmv, ref_mv, error_per_bit,
|
|
vfp, z, src_stride, y, y_stride,
|
|
second_pred, w, h, (offset << 3),
|
|
mvjcost, mvcost, sse1, distortion);
|
|
else
|
|
besterr = setup_center_error(xd, bestmv, ref_mv, error_per_bit, vfp,
|
|
z, src_stride, y, y_stride, second_pred,
|
|
w, h, offset, mvjcost, mvcost,
|
|
sse1, distortion);
|
|
|
|
(void) cost_list; // to silence compiler warning
|
|
|
|
for (iter = 0; iter < round; ++iter) {
|
|
// Check vertical and horizontal sub-pixel positions.
|
|
for (idx = 0; idx < 4; ++idx) {
|
|
tr = br + search_step[idx].row;
|
|
tc = bc + search_step[idx].col;
|
|
if (tc >= minc && tc <= maxc && tr >= minr && tr <= maxr) {
|
|
MV this_mv = {tr, tc};
|
|
|
|
if (use_upsampled_ref) {
|
|
const uint8_t *const pre_address = y + tr * y_stride + tc;
|
|
|
|
thismse = upsampled_pref_error(xd, vfp, src_address, src_stride,
|
|
pre_address, y_stride, second_pred,
|
|
w, h, &sse);
|
|
} else {
|
|
const uint8_t *const pre_address = y + (tr >> 3) * y_stride +
|
|
(tc >> 3);
|
|
if (second_pred == NULL)
|
|
thismse = vfp->svf(pre_address, y_stride, sp(tc), sp(tr),
|
|
src_address, src_stride, &sse);
|
|
else
|
|
thismse = vfp->svaf(pre_address, y_stride, sp(tc), sp(tr),
|
|
src_address, src_stride, &sse, second_pred);
|
|
}
|
|
|
|
cost_array[idx] = thismse +
|
|
mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit);
|
|
|
|
if (cost_array[idx] < besterr) {
|
|
best_idx = idx;
|
|
besterr = cost_array[idx];
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
} else {
|
|
cost_array[idx] = INT_MAX;
|
|
}
|
|
}
|
|
|
|
// Check diagonal sub-pixel position
|
|
kc = (cost_array[0] <= cost_array[1] ? -hstep : hstep);
|
|
kr = (cost_array[2] <= cost_array[3] ? -hstep : hstep);
|
|
|
|
tc = bc + kc;
|
|
tr = br + kr;
|
|
if (tc >= minc && tc <= maxc && tr >= minr && tr <= maxr) {
|
|
MV this_mv = {tr, tc};
|
|
|
|
if (use_upsampled_ref) {
|
|
const uint8_t *const pre_address = y + tr * y_stride + tc;
|
|
|
|
thismse = upsampled_pref_error(xd, vfp, src_address, src_stride,
|
|
pre_address, y_stride, second_pred,
|
|
w, h, &sse);
|
|
} else {
|
|
const uint8_t *const pre_address = y + (tr >> 3) * y_stride + (tc >> 3);
|
|
|
|
if (second_pred == NULL)
|
|
thismse = vfp->svf(pre_address, y_stride, sp(tc), sp(tr),
|
|
src_address, src_stride, &sse);
|
|
else
|
|
thismse = vfp->svaf(pre_address, y_stride, sp(tc), sp(tr),
|
|
src_address, src_stride, &sse, second_pred);
|
|
}
|
|
|
|
cost_array[4] = thismse +
|
|
mv_err_cost(&this_mv, ref_mv, mvjcost, mvcost, error_per_bit);
|
|
|
|
if (cost_array[4] < besterr) {
|
|
best_idx = 4;
|
|
besterr = cost_array[4];
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
} else {
|
|
cost_array[idx] = INT_MAX;
|
|
}
|
|
|
|
if (best_idx < 4 && best_idx >= 0) {
|
|
br += search_step[best_idx].row;
|
|
bc += search_step[best_idx].col;
|
|
} else if (best_idx == 4) {
|
|
br = tr;
|
|
bc = tc;
|
|
}
|
|
|
|
if (iters_per_step > 1 && best_idx != -1) {
|
|
if (use_upsampled_ref) {
|
|
SECOND_LEVEL_CHECKS_BEST(1);
|
|
} else {
|
|
SECOND_LEVEL_CHECKS_BEST(0);
|
|
}
|
|
}
|
|
|
|
tr = br;
|
|
tc = bc;
|
|
|
|
search_step += 4;
|
|
hstep >>= 1;
|
|
best_idx = -1;
|
|
}
|
|
|
|
// Each subsequent iteration checks at least one point in common with
|
|
// the last iteration could be 2 ( if diag selected) 1/4 pel
|
|
|
|
// These lines insure static analysis doesn't warn that
|
|
// tr and tc aren't used after the above point.
|
|
(void) tr;
|
|
(void) tc;
|
|
|
|
bestmv->row = br;
|
|
bestmv->col = bc;
|
|
|
|
if ((abs(bestmv->col - ref_mv->col) > (MAX_FULL_PEL_VAL << 3)) ||
|
|
(abs(bestmv->row - ref_mv->row) > (MAX_FULL_PEL_VAL << 3)))
|
|
return INT_MAX;
|
|
|
|
return besterr;
|
|
}
|
|
|
|
#undef MVC
|
|
#undef PRE
|
|
#undef CHECK_BETTER
|
|
|
|
static INLINE int check_bounds(const MACROBLOCK *x, int row, int col,
|
|
int range) {
|
|
return ((row - range) >= x->mv_row_min) &
|
|
((row + range) <= x->mv_row_max) &
|
|
((col - range) >= x->mv_col_min) &
|
|
((col + range) <= x->mv_col_max);
|
|
}
|
|
|
|
static INLINE int is_mv_in(const MACROBLOCK *x, const MV *mv) {
|
|
return (mv->col >= x->mv_col_min) && (mv->col <= x->mv_col_max) &&
|
|
(mv->row >= x->mv_row_min) && (mv->row <= x->mv_row_max);
|
|
}
|
|
|
|
#define CHECK_BETTER \
|
|
{\
|
|
if (thissad < bestsad) {\
|
|
if (use_mvcost) \
|
|
thissad += mvsad_err_cost(x, &this_mv, &fcenter_mv, sad_per_bit);\
|
|
if (thissad < bestsad) {\
|
|
bestsad = thissad;\
|
|
best_site = i;\
|
|
}\
|
|
}\
|
|
}
|
|
|
|
#define MAX_PATTERN_SCALES 11
|
|
#define MAX_PATTERN_CANDIDATES 8 // max number of canddiates per scale
|
|
#define PATTERN_CANDIDATES_REF 3 // number of refinement candidates
|
|
|
|
// Calculate and return a sad+mvcost list around an integer best pel.
|
|
static INLINE void calc_int_cost_list(const MACROBLOCK *x,
|
|
const MV *ref_mv,
|
|
int sadpb,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *best_mv,
|
|
int *cost_list) {
|
|
static const MV neighbors[4] = {{0, -1}, {1, 0}, {0, 1}, {-1, 0}};
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &x->e_mbd.plane[0].pre[0];
|
|
const MV fcenter_mv = {ref_mv->row >> 3, ref_mv->col >> 3};
|
|
int br = best_mv->row;
|
|
int bc = best_mv->col;
|
|
MV this_mv;
|
|
int i;
|
|
unsigned int sse;
|
|
|
|
this_mv.row = br;
|
|
this_mv.col = bc;
|
|
cost_list[0] = fn_ptr->vf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride, &sse) +
|
|
mvsad_err_cost(x, &this_mv, &fcenter_mv, sadpb);
|
|
if (check_bounds(x, br, bc, 1)) {
|
|
for (i = 0; i < 4; i++) {
|
|
const MV this_mv = {br + neighbors[i].row,
|
|
bc + neighbors[i].col};
|
|
cost_list[i + 1] = fn_ptr->vf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride, &sse) +
|
|
mv_err_cost(&this_mv, &fcenter_mv,
|
|
x->nmvjointcost, x->mvcost,
|
|
x->errorperbit);
|
|
}
|
|
} else {
|
|
for (i = 0; i < 4; i++) {
|
|
const MV this_mv = {br + neighbors[i].row,
|
|
bc + neighbors[i].col};
|
|
if (!is_mv_in(x, &this_mv))
|
|
cost_list[i + 1] = INT_MAX;
|
|
else
|
|
cost_list[i + 1] = fn_ptr->vf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride, &sse) +
|
|
mv_err_cost(&this_mv, &fcenter_mv,
|
|
x->nmvjointcost, x->mvcost,
|
|
x->errorperbit);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Generic pattern search function that searches over multiple scales.
|
|
// Each scale can have a different number of candidates and shape of
|
|
// candidates as indicated in the num_candidates and candidates arrays
|
|
// passed into this function
|
|
//
|
|
static int vp10_pattern_search(const MACROBLOCK *x,
|
|
MV *ref_mv,
|
|
int search_param,
|
|
int sad_per_bit,
|
|
int do_init_search,
|
|
int *cost_list,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost,
|
|
const MV *center_mv,
|
|
MV *best_mv,
|
|
const int num_candidates[MAX_PATTERN_SCALES],
|
|
const MV candidates[MAX_PATTERN_SCALES]
|
|
[MAX_PATTERN_CANDIDATES]) {
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
static const int search_param_to_steps[MAX_MVSEARCH_STEPS] = {
|
|
10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
|
|
};
|
|
int i, s, t;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
int br, bc;
|
|
int bestsad = INT_MAX;
|
|
int thissad;
|
|
int k = -1;
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
int best_init_s = search_param_to_steps[search_param];
|
|
// adjust ref_mv to make sure it is within MV range
|
|
clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min, x->mv_row_max);
|
|
br = ref_mv->row;
|
|
bc = ref_mv->col;
|
|
|
|
// Work out the start point for the search
|
|
bestsad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, ref_mv), in_what->stride) +
|
|
mvsad_err_cost(x, ref_mv, &fcenter_mv, sad_per_bit);
|
|
|
|
// Search all possible scales upto the search param around the center point
|
|
// pick the scale of the point that is best as the starting scale of
|
|
// further steps around it.
|
|
if (do_init_search) {
|
|
s = best_init_s;
|
|
best_init_s = -1;
|
|
for (t = 0; t <= s; ++t) {
|
|
int best_site = -1;
|
|
if (check_bounds(x, br, bc, 1 << t)) {
|
|
for (i = 0; i < num_candidates[t]; i++) {
|
|
const MV this_mv = {br + candidates[t][i].row,
|
|
bc + candidates[t][i].col};
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < num_candidates[t]; i++) {
|
|
const MV this_mv = {br + candidates[t][i].row,
|
|
bc + candidates[t][i].col};
|
|
if (!is_mv_in(x, &this_mv))
|
|
continue;
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
if (best_site == -1) {
|
|
continue;
|
|
} else {
|
|
best_init_s = t;
|
|
k = best_site;
|
|
}
|
|
}
|
|
if (best_init_s != -1) {
|
|
br += candidates[best_init_s][k].row;
|
|
bc += candidates[best_init_s][k].col;
|
|
}
|
|
}
|
|
|
|
// If the center point is still the best, just skip this and move to
|
|
// the refinement step.
|
|
if (best_init_s != -1) {
|
|
int best_site = -1;
|
|
s = best_init_s;
|
|
|
|
do {
|
|
// No need to search all 6 points the 1st time if initial search was used
|
|
if (!do_init_search || s != best_init_s) {
|
|
if (check_bounds(x, br, bc, 1 << s)) {
|
|
for (i = 0; i < num_candidates[s]; i++) {
|
|
const MV this_mv = {br + candidates[s][i].row,
|
|
bc + candidates[s][i].col};
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < num_candidates[s]; i++) {
|
|
const MV this_mv = {br + candidates[s][i].row,
|
|
bc + candidates[s][i].col};
|
|
if (!is_mv_in(x, &this_mv))
|
|
continue;
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
continue;
|
|
} else {
|
|
br += candidates[s][best_site].row;
|
|
bc += candidates[s][best_site].col;
|
|
k = best_site;
|
|
}
|
|
}
|
|
|
|
do {
|
|
int next_chkpts_indices[PATTERN_CANDIDATES_REF];
|
|
best_site = -1;
|
|
next_chkpts_indices[0] = (k == 0) ? num_candidates[s] - 1 : k - 1;
|
|
next_chkpts_indices[1] = k;
|
|
next_chkpts_indices[2] = (k == num_candidates[s] - 1) ? 0 : k + 1;
|
|
|
|
if (check_bounds(x, br, bc, 1 << s)) {
|
|
for (i = 0; i < PATTERN_CANDIDATES_REF; i++) {
|
|
const MV this_mv = {br + candidates[s][next_chkpts_indices[i]].row,
|
|
bc + candidates[s][next_chkpts_indices[i]].col};
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < PATTERN_CANDIDATES_REF; i++) {
|
|
const MV this_mv = {br + candidates[s][next_chkpts_indices[i]].row,
|
|
bc + candidates[s][next_chkpts_indices[i]].col};
|
|
if (!is_mv_in(x, &this_mv))
|
|
continue;
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
|
|
if (best_site != -1) {
|
|
k = next_chkpts_indices[best_site];
|
|
br += candidates[s][k].row;
|
|
bc += candidates[s][k].col;
|
|
}
|
|
} while (best_site != -1);
|
|
} while (s--);
|
|
}
|
|
|
|
// Returns the one-away integer pel sad values around the best as follows:
|
|
// cost_list[0]: cost at the best integer pel
|
|
// cost_list[1]: cost at delta {0, -1} (left) from the best integer pel
|
|
// cost_list[2]: cost at delta { 1, 0} (bottom) from the best integer pel
|
|
// cost_list[3]: cost at delta { 0, 1} (right) from the best integer pel
|
|
// cost_list[4]: cost at delta {-1, 0} (top) from the best integer pel
|
|
if (cost_list) {
|
|
const MV best_mv = { br, bc };
|
|
calc_int_cost_list(x, &fcenter_mv, sad_per_bit, vfp, &best_mv, cost_list);
|
|
}
|
|
best_mv->row = br;
|
|
best_mv->col = bc;
|
|
return bestsad;
|
|
}
|
|
|
|
// A specialized function where the smallest scale search candidates
|
|
// are 4 1-away neighbors, and cost_list is non-null
|
|
// TODO(debargha): Merge this function with the one above. Also remove
|
|
// use_mvcost option since it is always 1, to save unnecessary branches.
|
|
static int vp10_pattern_search_sad(const MACROBLOCK *x,
|
|
MV *ref_mv,
|
|
int search_param,
|
|
int sad_per_bit,
|
|
int do_init_search,
|
|
int *cost_list,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost,
|
|
const MV *center_mv,
|
|
MV *best_mv,
|
|
const int num_candidates[MAX_PATTERN_SCALES],
|
|
const MV candidates[MAX_PATTERN_SCALES]
|
|
[MAX_PATTERN_CANDIDATES]) {
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
static const int search_param_to_steps[MAX_MVSEARCH_STEPS] = {
|
|
10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
|
|
};
|
|
int i, s, t;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
int br, bc;
|
|
int bestsad = INT_MAX;
|
|
int thissad;
|
|
int k = -1;
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
int best_init_s = search_param_to_steps[search_param];
|
|
// adjust ref_mv to make sure it is within MV range
|
|
clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min, x->mv_row_max);
|
|
br = ref_mv->row;
|
|
bc = ref_mv->col;
|
|
if (cost_list != NULL) {
|
|
cost_list[0] = cost_list[1] = cost_list[2] = cost_list[3] = cost_list[4] =
|
|
INT_MAX;
|
|
}
|
|
|
|
// Work out the start point for the search
|
|
bestsad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, ref_mv), in_what->stride) +
|
|
mvsad_err_cost(x, ref_mv, &fcenter_mv, sad_per_bit);
|
|
|
|
// Search all possible scales upto the search param around the center point
|
|
// pick the scale of the point that is best as the starting scale of
|
|
// further steps around it.
|
|
if (do_init_search) {
|
|
s = best_init_s;
|
|
best_init_s = -1;
|
|
for (t = 0; t <= s; ++t) {
|
|
int best_site = -1;
|
|
if (check_bounds(x, br, bc, 1 << t)) {
|
|
for (i = 0; i < num_candidates[t]; i++) {
|
|
const MV this_mv = {br + candidates[t][i].row,
|
|
bc + candidates[t][i].col};
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < num_candidates[t]; i++) {
|
|
const MV this_mv = {br + candidates[t][i].row,
|
|
bc + candidates[t][i].col};
|
|
if (!is_mv_in(x, &this_mv))
|
|
continue;
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
if (best_site == -1) {
|
|
continue;
|
|
} else {
|
|
best_init_s = t;
|
|
k = best_site;
|
|
}
|
|
}
|
|
if (best_init_s != -1) {
|
|
br += candidates[best_init_s][k].row;
|
|
bc += candidates[best_init_s][k].col;
|
|
}
|
|
}
|
|
|
|
// If the center point is still the best, just skip this and move to
|
|
// the refinement step.
|
|
if (best_init_s != -1) {
|
|
int do_sad = (num_candidates[0] == 4 && cost_list != NULL);
|
|
int best_site = -1;
|
|
s = best_init_s;
|
|
|
|
for (; s >= do_sad; s--) {
|
|
if (!do_init_search || s != best_init_s) {
|
|
if (check_bounds(x, br, bc, 1 << s)) {
|
|
for (i = 0; i < num_candidates[s]; i++) {
|
|
const MV this_mv = {br + candidates[s][i].row,
|
|
bc + candidates[s][i].col};
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < num_candidates[s]; i++) {
|
|
const MV this_mv = {br + candidates[s][i].row,
|
|
bc + candidates[s][i].col};
|
|
if (!is_mv_in(x, &this_mv))
|
|
continue;
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
continue;
|
|
} else {
|
|
br += candidates[s][best_site].row;
|
|
bc += candidates[s][best_site].col;
|
|
k = best_site;
|
|
}
|
|
}
|
|
|
|
do {
|
|
int next_chkpts_indices[PATTERN_CANDIDATES_REF];
|
|
best_site = -1;
|
|
next_chkpts_indices[0] = (k == 0) ? num_candidates[s] - 1 : k - 1;
|
|
next_chkpts_indices[1] = k;
|
|
next_chkpts_indices[2] = (k == num_candidates[s] - 1) ? 0 : k + 1;
|
|
|
|
if (check_bounds(x, br, bc, 1 << s)) {
|
|
for (i = 0; i < PATTERN_CANDIDATES_REF; i++) {
|
|
const MV this_mv = {br + candidates[s][next_chkpts_indices[i]].row,
|
|
bc + candidates[s][next_chkpts_indices[i]].col};
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < PATTERN_CANDIDATES_REF; i++) {
|
|
const MV this_mv = {br + candidates[s][next_chkpts_indices[i]].row,
|
|
bc + candidates[s][next_chkpts_indices[i]].col};
|
|
if (!is_mv_in(x, &this_mv))
|
|
continue;
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
|
|
if (best_site != -1) {
|
|
k = next_chkpts_indices[best_site];
|
|
br += candidates[s][k].row;
|
|
bc += candidates[s][k].col;
|
|
}
|
|
} while (best_site != -1);
|
|
}
|
|
|
|
// Note: If we enter the if below, then cost_list must be non-NULL.
|
|
if (s == 0) {
|
|
cost_list[0] = bestsad;
|
|
if (!do_init_search || s != best_init_s) {
|
|
if (check_bounds(x, br, bc, 1 << s)) {
|
|
for (i = 0; i < num_candidates[s]; i++) {
|
|
const MV this_mv = {br + candidates[s][i].row,
|
|
bc + candidates[s][i].col};
|
|
cost_list[i + 1] =
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < num_candidates[s]; i++) {
|
|
const MV this_mv = {br + candidates[s][i].row,
|
|
bc + candidates[s][i].col};
|
|
if (!is_mv_in(x, &this_mv))
|
|
continue;
|
|
cost_list[i + 1] =
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
|
|
if (best_site != -1) {
|
|
br += candidates[s][best_site].row;
|
|
bc += candidates[s][best_site].col;
|
|
k = best_site;
|
|
}
|
|
}
|
|
while (best_site != -1) {
|
|
int next_chkpts_indices[PATTERN_CANDIDATES_REF];
|
|
best_site = -1;
|
|
next_chkpts_indices[0] = (k == 0) ? num_candidates[s] - 1 : k - 1;
|
|
next_chkpts_indices[1] = k;
|
|
next_chkpts_indices[2] = (k == num_candidates[s] - 1) ? 0 : k + 1;
|
|
cost_list[1] = cost_list[2] = cost_list[3] = cost_list[4] = INT_MAX;
|
|
cost_list[((k + 2) % 4) + 1] = cost_list[0];
|
|
cost_list[0] = bestsad;
|
|
|
|
if (check_bounds(x, br, bc, 1 << s)) {
|
|
for (i = 0; i < PATTERN_CANDIDATES_REF; i++) {
|
|
const MV this_mv = {br + candidates[s][next_chkpts_indices[i]].row,
|
|
bc + candidates[s][next_chkpts_indices[i]].col};
|
|
cost_list[next_chkpts_indices[i] + 1] =
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < PATTERN_CANDIDATES_REF; i++) {
|
|
const MV this_mv = {br + candidates[s][next_chkpts_indices[i]].row,
|
|
bc + candidates[s][next_chkpts_indices[i]].col};
|
|
if (!is_mv_in(x, &this_mv)) {
|
|
cost_list[next_chkpts_indices[i] + 1] = INT_MAX;
|
|
continue;
|
|
}
|
|
cost_list[next_chkpts_indices[i] + 1] =
|
|
thissad = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
|
|
if (best_site != -1) {
|
|
k = next_chkpts_indices[best_site];
|
|
br += candidates[s][k].row;
|
|
bc += candidates[s][k].col;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Returns the one-away integer pel sad values around the best as follows:
|
|
// cost_list[0]: sad at the best integer pel
|
|
// cost_list[1]: sad at delta {0, -1} (left) from the best integer pel
|
|
// cost_list[2]: sad at delta { 1, 0} (bottom) from the best integer pel
|
|
// cost_list[3]: sad at delta { 0, 1} (right) from the best integer pel
|
|
// cost_list[4]: sad at delta {-1, 0} (top) from the best integer pel
|
|
if (cost_list) {
|
|
static const MV neighbors[4] = {{0, -1}, {1, 0}, {0, 1}, {-1, 0}};
|
|
if (cost_list[0] == INT_MAX) {
|
|
cost_list[0] = bestsad;
|
|
if (check_bounds(x, br, bc, 1)) {
|
|
for (i = 0; i < 4; i++) {
|
|
const MV this_mv = { br + neighbors[i].row,
|
|
bc + neighbors[i].col };
|
|
cost_list[i + 1] = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
}
|
|
} else {
|
|
for (i = 0; i < 4; i++) {
|
|
const MV this_mv = {br + neighbors[i].row,
|
|
bc + neighbors[i].col};
|
|
if (!is_mv_in(x, &this_mv))
|
|
cost_list[i + 1] = INT_MAX;
|
|
else
|
|
cost_list[i + 1] = vfp->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &this_mv),
|
|
in_what->stride);
|
|
}
|
|
}
|
|
} else {
|
|
if (use_mvcost) {
|
|
for (i = 0; i < 4; i++) {
|
|
const MV this_mv = {br + neighbors[i].row,
|
|
bc + neighbors[i].col};
|
|
if (cost_list[i + 1] != INT_MAX) {
|
|
cost_list[i + 1] +=
|
|
mvsad_err_cost(x, &this_mv, &fcenter_mv, sad_per_bit);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
best_mv->row = br;
|
|
best_mv->col = bc;
|
|
return bestsad;
|
|
}
|
|
|
|
int vp10_get_mvpred_var(const MACROBLOCK *x,
|
|
const MV *best_mv, const MV *center_mv,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost) {
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
const MV mv = {best_mv->row * 8, best_mv->col * 8};
|
|
unsigned int unused;
|
|
|
|
return vfp->vf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, best_mv), in_what->stride, &unused) +
|
|
(use_mvcost ? mv_err_cost(&mv, center_mv, x->nmvjointcost,
|
|
x->mvcost, x->errorperbit) : 0);
|
|
}
|
|
|
|
int vp10_get_mvpred_av_var(const MACROBLOCK *x,
|
|
const MV *best_mv, const MV *center_mv,
|
|
const uint8_t *second_pred,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost) {
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
const MV mv = {best_mv->row * 8, best_mv->col * 8};
|
|
unsigned int unused;
|
|
|
|
return vfp->svaf(get_buf_from_mv(in_what, best_mv), in_what->stride, 0, 0,
|
|
what->buf, what->stride, &unused, second_pred) +
|
|
(use_mvcost ? mv_err_cost(&mv, center_mv, x->nmvjointcost,
|
|
x->mvcost, x->errorperbit) : 0);
|
|
}
|
|
|
|
int vp10_hex_search(const MACROBLOCK *x,
|
|
MV *ref_mv,
|
|
int search_param,
|
|
int sad_per_bit,
|
|
int do_init_search,
|
|
int *cost_list,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost,
|
|
const MV *center_mv, MV *best_mv) {
|
|
// First scale has 8-closest points, the rest have 6 points in hex shape
|
|
// at increasing scales
|
|
static const int hex_num_candidates[MAX_PATTERN_SCALES] = {
|
|
8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6
|
|
};
|
|
// Note that the largest candidate step at each scale is 2^scale
|
|
static const MV hex_candidates[MAX_PATTERN_SCALES][MAX_PATTERN_CANDIDATES] = {
|
|
{{-1, -1}, {0, -1}, {1, -1}, {1, 0}, {1, 1}, { 0, 1}, { -1, 1}, {-1, 0}},
|
|
{{-1, -2}, {1, -2}, {2, 0}, {1, 2}, { -1, 2}, { -2, 0}},
|
|
{{-2, -4}, {2, -4}, {4, 0}, {2, 4}, { -2, 4}, { -4, 0}},
|
|
{{-4, -8}, {4, -8}, {8, 0}, {4, 8}, { -4, 8}, { -8, 0}},
|
|
{{-8, -16}, {8, -16}, {16, 0}, {8, 16}, { -8, 16}, { -16, 0}},
|
|
{{-16, -32}, {16, -32}, {32, 0}, {16, 32}, { -16, 32}, { -32, 0}},
|
|
{{-32, -64}, {32, -64}, {64, 0}, {32, 64}, { -32, 64}, { -64, 0}},
|
|
{{-64, -128}, {64, -128}, {128, 0}, {64, 128}, { -64, 128}, { -128, 0}},
|
|
{{-128, -256}, {128, -256}, {256, 0}, {128, 256}, { -128, 256}, { -256, 0}},
|
|
{{-256, -512}, {256, -512}, {512, 0}, {256, 512}, { -256, 512}, { -512, 0}},
|
|
{{-512, -1024}, {512, -1024}, {1024, 0}, {512, 1024}, { -512, 1024},
|
|
{ -1024, 0}},
|
|
};
|
|
return vp10_pattern_search(x, ref_mv, search_param, sad_per_bit,
|
|
do_init_search, cost_list, vfp, use_mvcost,
|
|
center_mv, best_mv,
|
|
hex_num_candidates, hex_candidates);
|
|
}
|
|
|
|
int vp10_bigdia_search(const MACROBLOCK *x,
|
|
MV *ref_mv,
|
|
int search_param,
|
|
int sad_per_bit,
|
|
int do_init_search,
|
|
int *cost_list,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost,
|
|
const MV *center_mv,
|
|
MV *best_mv) {
|
|
// First scale has 4-closest points, the rest have 8 points in diamond
|
|
// shape at increasing scales
|
|
static const int bigdia_num_candidates[MAX_PATTERN_SCALES] = {
|
|
4, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
};
|
|
// Note that the largest candidate step at each scale is 2^scale
|
|
static const MV bigdia_candidates[MAX_PATTERN_SCALES]
|
|
[MAX_PATTERN_CANDIDATES] = {
|
|
{{0, -1}, {1, 0}, { 0, 1}, {-1, 0}},
|
|
{{-1, -1}, {0, -2}, {1, -1}, {2, 0}, {1, 1}, {0, 2}, {-1, 1}, {-2, 0}},
|
|
{{-2, -2}, {0, -4}, {2, -2}, {4, 0}, {2, 2}, {0, 4}, {-2, 2}, {-4, 0}},
|
|
{{-4, -4}, {0, -8}, {4, -4}, {8, 0}, {4, 4}, {0, 8}, {-4, 4}, {-8, 0}},
|
|
{{-8, -8}, {0, -16}, {8, -8}, {16, 0}, {8, 8}, {0, 16}, {-8, 8}, {-16, 0}},
|
|
{{-16, -16}, {0, -32}, {16, -16}, {32, 0}, {16, 16}, {0, 32},
|
|
{-16, 16}, {-32, 0}},
|
|
{{-32, -32}, {0, -64}, {32, -32}, {64, 0}, {32, 32}, {0, 64},
|
|
{-32, 32}, {-64, 0}},
|
|
{{-64, -64}, {0, -128}, {64, -64}, {128, 0}, {64, 64}, {0, 128},
|
|
{-64, 64}, {-128, 0}},
|
|
{{-128, -128}, {0, -256}, {128, -128}, {256, 0}, {128, 128}, {0, 256},
|
|
{-128, 128}, {-256, 0}},
|
|
{{-256, -256}, {0, -512}, {256, -256}, {512, 0}, {256, 256}, {0, 512},
|
|
{-256, 256}, {-512, 0}},
|
|
{{-512, -512}, {0, -1024}, {512, -512}, {1024, 0}, {512, 512}, {0, 1024},
|
|
{-512, 512}, {-1024, 0}},
|
|
};
|
|
return vp10_pattern_search_sad(x, ref_mv, search_param, sad_per_bit,
|
|
do_init_search, cost_list, vfp, use_mvcost,
|
|
center_mv, best_mv,
|
|
bigdia_num_candidates, bigdia_candidates);
|
|
}
|
|
|
|
int vp10_square_search(const MACROBLOCK *x,
|
|
MV *ref_mv,
|
|
int search_param,
|
|
int sad_per_bit,
|
|
int do_init_search,
|
|
int *cost_list,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost,
|
|
const MV *center_mv,
|
|
MV *best_mv) {
|
|
// All scales have 8 closest points in square shape
|
|
static const int square_num_candidates[MAX_PATTERN_SCALES] = {
|
|
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
};
|
|
// Note that the largest candidate step at each scale is 2^scale
|
|
static const MV square_candidates[MAX_PATTERN_SCALES]
|
|
[MAX_PATTERN_CANDIDATES] = {
|
|
{{-1, -1}, {0, -1}, {1, -1}, {1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0}},
|
|
{{-2, -2}, {0, -2}, {2, -2}, {2, 0}, {2, 2}, {0, 2}, {-2, 2}, {-2, 0}},
|
|
{{-4, -4}, {0, -4}, {4, -4}, {4, 0}, {4, 4}, {0, 4}, {-4, 4}, {-4, 0}},
|
|
{{-8, -8}, {0, -8}, {8, -8}, {8, 0}, {8, 8}, {0, 8}, {-8, 8}, {-8, 0}},
|
|
{{-16, -16}, {0, -16}, {16, -16}, {16, 0}, {16, 16}, {0, 16},
|
|
{-16, 16}, {-16, 0}},
|
|
{{-32, -32}, {0, -32}, {32, -32}, {32, 0}, {32, 32}, {0, 32},
|
|
{-32, 32}, {-32, 0}},
|
|
{{-64, -64}, {0, -64}, {64, -64}, {64, 0}, {64, 64}, {0, 64},
|
|
{-64, 64}, {-64, 0}},
|
|
{{-128, -128}, {0, -128}, {128, -128}, {128, 0}, {128, 128}, {0, 128},
|
|
{-128, 128}, {-128, 0}},
|
|
{{-256, -256}, {0, -256}, {256, -256}, {256, 0}, {256, 256}, {0, 256},
|
|
{-256, 256}, {-256, 0}},
|
|
{{-512, -512}, {0, -512}, {512, -512}, {512, 0}, {512, 512}, {0, 512},
|
|
{-512, 512}, {-512, 0}},
|
|
{{-1024, -1024}, {0, -1024}, {1024, -1024}, {1024, 0}, {1024, 1024},
|
|
{0, 1024}, {-1024, 1024}, {-1024, 0}},
|
|
};
|
|
return vp10_pattern_search(x, ref_mv, search_param, sad_per_bit,
|
|
do_init_search, cost_list, vfp, use_mvcost,
|
|
center_mv, best_mv,
|
|
square_num_candidates, square_candidates);
|
|
}
|
|
|
|
int vp10_fast_hex_search(const MACROBLOCK *x,
|
|
MV *ref_mv,
|
|
int search_param,
|
|
int sad_per_bit,
|
|
int do_init_search, // must be zero for fast_hex
|
|
int *cost_list,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost,
|
|
const MV *center_mv,
|
|
MV *best_mv) {
|
|
return vp10_hex_search(
|
|
x, ref_mv, VPXMAX(MAX_MVSEARCH_STEPS - 2, search_param), sad_per_bit,
|
|
do_init_search, cost_list, vfp, use_mvcost, center_mv, best_mv);
|
|
}
|
|
|
|
int vp10_fast_dia_search(const MACROBLOCK *x,
|
|
MV *ref_mv,
|
|
int search_param,
|
|
int sad_per_bit,
|
|
int do_init_search,
|
|
int *cost_list,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost,
|
|
const MV *center_mv,
|
|
MV *best_mv) {
|
|
return vp10_bigdia_search(
|
|
x, ref_mv, VPXMAX(MAX_MVSEARCH_STEPS - 2, search_param), sad_per_bit,
|
|
do_init_search, cost_list, vfp, use_mvcost, center_mv, best_mv);
|
|
}
|
|
|
|
#undef CHECK_BETTER
|
|
|
|
// Exhuastive motion search around a given centre position with a given
|
|
// step size.
|
|
static int exhuastive_mesh_search(const MACROBLOCK *x,
|
|
MV *ref_mv, MV *best_mv,
|
|
int range, int step, int sad_per_bit,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *center_mv) {
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
MV fcenter_mv = {center_mv->row, center_mv->col};
|
|
unsigned int best_sad = INT_MAX;
|
|
int r, c, i;
|
|
int start_col, end_col, start_row, end_row;
|
|
int col_step = (step > 1) ? step : 4;
|
|
|
|
assert(step >= 1);
|
|
|
|
clamp_mv(&fcenter_mv, x->mv_col_min, x->mv_col_max,
|
|
x->mv_row_min, x->mv_row_max);
|
|
*best_mv = fcenter_mv;
|
|
best_sad = fn_ptr->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &fcenter_mv), in_what->stride) +
|
|
mvsad_err_cost(x, &fcenter_mv, ref_mv, sad_per_bit);
|
|
start_row = VPXMAX(-range, x->mv_row_min - fcenter_mv.row);
|
|
start_col = VPXMAX(-range, x->mv_col_min - fcenter_mv.col);
|
|
end_row = VPXMIN(range, x->mv_row_max - fcenter_mv.row);
|
|
end_col = VPXMIN(range, x->mv_col_max - fcenter_mv.col);
|
|
|
|
for (r = start_row; r <= end_row; r += step) {
|
|
for (c = start_col; c <= end_col; c += col_step) {
|
|
// Step > 1 means we are not checking every location in this pass.
|
|
if (step > 1) {
|
|
const MV mv = {fcenter_mv.row + r, fcenter_mv.col + c};
|
|
unsigned int sad = fn_ptr->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &mv), in_what->stride);
|
|
if (sad < best_sad) {
|
|
sad += mvsad_err_cost(x, &mv, ref_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
*best_mv = mv;
|
|
}
|
|
}
|
|
} else {
|
|
// 4 sads in a single call if we are checking every location
|
|
if (c + 3 <= end_col) {
|
|
unsigned int sads[4];
|
|
const uint8_t *addrs[4];
|
|
for (i = 0; i < 4; ++i) {
|
|
const MV mv = {fcenter_mv.row + r, fcenter_mv.col + c + i};
|
|
addrs[i] = get_buf_from_mv(in_what, &mv);
|
|
}
|
|
fn_ptr->sdx4df(what->buf, what->stride, addrs,
|
|
in_what->stride, sads);
|
|
|
|
for (i = 0; i < 4; ++i) {
|
|
if (sads[i] < best_sad) {
|
|
const MV mv = {fcenter_mv.row + r, fcenter_mv.col + c + i};
|
|
const unsigned int sad = sads[i] +
|
|
mvsad_err_cost(x, &mv, ref_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
*best_mv = mv;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
for (i = 0; i < end_col - c; ++i) {
|
|
const MV mv = {fcenter_mv.row + r, fcenter_mv.col + c + i};
|
|
unsigned int sad = fn_ptr->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &mv), in_what->stride);
|
|
if (sad < best_sad) {
|
|
sad += mvsad_err_cost(x, &mv, ref_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
*best_mv = mv;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return best_sad;
|
|
}
|
|
|
|
int vp10_diamond_search_sad_c(const MACROBLOCK *x,
|
|
const search_site_config *cfg,
|
|
MV *ref_mv, MV *best_mv, int search_param,
|
|
int sad_per_bit, int *num00,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *center_mv) {
|
|
int i, j, step;
|
|
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
uint8_t *what = x->plane[0].src.buf;
|
|
const int what_stride = x->plane[0].src.stride;
|
|
const uint8_t *in_what;
|
|
const int in_what_stride = xd->plane[0].pre[0].stride;
|
|
const uint8_t *best_address;
|
|
|
|
unsigned int bestsad = INT_MAX;
|
|
int best_site = 0;
|
|
int last_site = 0;
|
|
|
|
int ref_row;
|
|
int ref_col;
|
|
|
|
// search_param determines the length of the initial step and hence the number
|
|
// of iterations.
|
|
// 0 = initial step (MAX_FIRST_STEP) pel
|
|
// 1 = (MAX_FIRST_STEP/2) pel,
|
|
// 2 = (MAX_FIRST_STEP/4) pel...
|
|
const search_site *ss = &cfg->ss[search_param * cfg->searches_per_step];
|
|
const int tot_steps = (cfg->ss_count / cfg->searches_per_step) - search_param;
|
|
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min, x->mv_row_max);
|
|
ref_row = ref_mv->row;
|
|
ref_col = ref_mv->col;
|
|
*num00 = 0;
|
|
best_mv->row = ref_row;
|
|
best_mv->col = ref_col;
|
|
|
|
// Work out the start point for the search
|
|
in_what = xd->plane[0].pre[0].buf + ref_row * in_what_stride + ref_col;
|
|
best_address = in_what;
|
|
|
|
// Check the starting position
|
|
bestsad = fn_ptr->sdf(what, what_stride, in_what, in_what_stride)
|
|
+ mvsad_err_cost(x, best_mv, &fcenter_mv, sad_per_bit);
|
|
|
|
i = 1;
|
|
|
|
for (step = 0; step < tot_steps; step++) {
|
|
int all_in = 1, t;
|
|
|
|
// All_in is true if every one of the points we are checking are within
|
|
// the bounds of the image.
|
|
all_in &= ((best_mv->row + ss[i].mv.row) > x->mv_row_min);
|
|
all_in &= ((best_mv->row + ss[i + 1].mv.row) < x->mv_row_max);
|
|
all_in &= ((best_mv->col + ss[i + 2].mv.col) > x->mv_col_min);
|
|
all_in &= ((best_mv->col + ss[i + 3].mv.col) < x->mv_col_max);
|
|
|
|
// If all the pixels are within the bounds we don't check whether the
|
|
// search point is valid in this loop, otherwise we check each point
|
|
// for validity..
|
|
if (all_in) {
|
|
unsigned int sad_array[4];
|
|
|
|
for (j = 0; j < cfg->searches_per_step; j += 4) {
|
|
unsigned char const *block_offset[4];
|
|
|
|
for (t = 0; t < 4; t++)
|
|
block_offset[t] = ss[i + t].offset + best_address;
|
|
|
|
fn_ptr->sdx4df(what, what_stride, block_offset, in_what_stride,
|
|
sad_array);
|
|
|
|
for (t = 0; t < 4; t++, i++) {
|
|
if (sad_array[t] < bestsad) {
|
|
const MV this_mv = {best_mv->row + ss[i].mv.row,
|
|
best_mv->col + ss[i].mv.col};
|
|
sad_array[t] += mvsad_err_cost(x, &this_mv, &fcenter_mv,
|
|
sad_per_bit);
|
|
if (sad_array[t] < bestsad) {
|
|
bestsad = sad_array[t];
|
|
best_site = i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
for (j = 0; j < cfg->searches_per_step; j++) {
|
|
// Trap illegal vectors
|
|
const MV this_mv = {best_mv->row + ss[i].mv.row,
|
|
best_mv->col + ss[i].mv.col};
|
|
|
|
if (is_mv_in(x, &this_mv)) {
|
|
const uint8_t *const check_here = ss[i].offset + best_address;
|
|
unsigned int thissad = fn_ptr->sdf(what, what_stride, check_here,
|
|
in_what_stride);
|
|
|
|
if (thissad < bestsad) {
|
|
thissad += mvsad_err_cost(x, &this_mv, &fcenter_mv, sad_per_bit);
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_site = i;
|
|
}
|
|
}
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
if (best_site != last_site) {
|
|
best_mv->row += ss[best_site].mv.row;
|
|
best_mv->col += ss[best_site].mv.col;
|
|
best_address += ss[best_site].offset;
|
|
last_site = best_site;
|
|
#if defined(NEW_DIAMOND_SEARCH)
|
|
while (1) {
|
|
const MV this_mv = {best_mv->row + ss[best_site].mv.row,
|
|
best_mv->col + ss[best_site].mv.col};
|
|
if (is_mv_in(x, &this_mv)) {
|
|
const uint8_t *const check_here = ss[best_site].offset + best_address;
|
|
unsigned int thissad = fn_ptr->sdf(what, what_stride, check_here,
|
|
in_what_stride);
|
|
if (thissad < bestsad) {
|
|
thissad += mvsad_err_cost(x, &this_mv, &fcenter_mv, sad_per_bit);
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_mv->row += ss[best_site].mv.row;
|
|
best_mv->col += ss[best_site].mv.col;
|
|
best_address += ss[best_site].offset;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
} else if (best_address == in_what) {
|
|
(*num00)++;
|
|
}
|
|
}
|
|
return bestsad;
|
|
}
|
|
|
|
static int vector_match(int16_t *ref, int16_t *src, int bwl) {
|
|
int best_sad = INT_MAX;
|
|
int this_sad;
|
|
int d;
|
|
int center, offset = 0;
|
|
int bw = 4 << bwl; // redundant variable, to be changed in the experiments.
|
|
for (d = 0; d <= bw; d += 16) {
|
|
this_sad = vpx_vector_var(&ref[d], src, bwl);
|
|
if (this_sad < best_sad) {
|
|
best_sad = this_sad;
|
|
offset = d;
|
|
}
|
|
}
|
|
center = offset;
|
|
|
|
for (d = -8; d <= 8; d += 16) {
|
|
int this_pos = offset + d;
|
|
// check limit
|
|
if (this_pos < 0 || this_pos > bw)
|
|
continue;
|
|
this_sad = vpx_vector_var(&ref[this_pos], src, bwl);
|
|
if (this_sad < best_sad) {
|
|
best_sad = this_sad;
|
|
center = this_pos;
|
|
}
|
|
}
|
|
offset = center;
|
|
|
|
for (d = -4; d <= 4; d += 8) {
|
|
int this_pos = offset + d;
|
|
// check limit
|
|
if (this_pos < 0 || this_pos > bw)
|
|
continue;
|
|
this_sad = vpx_vector_var(&ref[this_pos], src, bwl);
|
|
if (this_sad < best_sad) {
|
|
best_sad = this_sad;
|
|
center = this_pos;
|
|
}
|
|
}
|
|
offset = center;
|
|
|
|
for (d = -2; d <= 2; d += 4) {
|
|
int this_pos = offset + d;
|
|
// check limit
|
|
if (this_pos < 0 || this_pos > bw)
|
|
continue;
|
|
this_sad = vpx_vector_var(&ref[this_pos], src, bwl);
|
|
if (this_sad < best_sad) {
|
|
best_sad = this_sad;
|
|
center = this_pos;
|
|
}
|
|
}
|
|
offset = center;
|
|
|
|
for (d = -1; d <= 1; d += 2) {
|
|
int this_pos = offset + d;
|
|
// check limit
|
|
if (this_pos < 0 || this_pos > bw)
|
|
continue;
|
|
this_sad = vpx_vector_var(&ref[this_pos], src, bwl);
|
|
if (this_sad < best_sad) {
|
|
best_sad = this_sad;
|
|
center = this_pos;
|
|
}
|
|
}
|
|
|
|
return (center - (bw >> 1));
|
|
}
|
|
|
|
static const MV search_pos[4] = {
|
|
{-1, 0}, {0, -1}, {0, 1}, {1, 0},
|
|
};
|
|
|
|
unsigned int vp10_int_pro_motion_estimation(const VP10_COMP *cpi, MACROBLOCK *x,
|
|
BLOCK_SIZE bsize,
|
|
int mi_row, int mi_col) {
|
|
MACROBLOCKD *xd = &x->e_mbd;
|
|
MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi;
|
|
struct buf_2d backup_yv12[MAX_MB_PLANE] = {{0, 0}};
|
|
DECLARE_ALIGNED(16, int16_t, hbuf[128]);
|
|
DECLARE_ALIGNED(16, int16_t, vbuf[128]);
|
|
DECLARE_ALIGNED(16, int16_t, src_hbuf[64]);
|
|
DECLARE_ALIGNED(16, int16_t, src_vbuf[64]);
|
|
int idx;
|
|
const int bw = 4 << b_width_log2_lookup[bsize];
|
|
const int bh = 4 << b_height_log2_lookup[bsize];
|
|
const int search_width = bw << 1;
|
|
const int search_height = bh << 1;
|
|
const int src_stride = x->plane[0].src.stride;
|
|
const int ref_stride = xd->plane[0].pre[0].stride;
|
|
uint8_t const *ref_buf, *src_buf;
|
|
MV *tmp_mv = &xd->mi[0]->mbmi.mv[0].as_mv;
|
|
unsigned int best_sad, tmp_sad, this_sad[4];
|
|
MV this_mv;
|
|
const int norm_factor = 3 + (bw >> 5);
|
|
const YV12_BUFFER_CONFIG *scaled_ref_frame =
|
|
vp10_get_scaled_ref_frame(cpi, mbmi->ref_frame[0]);
|
|
|
|
if (scaled_ref_frame) {
|
|
int i;
|
|
// Swap out the reference frame for a version that's been scaled to
|
|
// match the resolution of the current frame, allowing the existing
|
|
// motion search code to be used without additional modifications.
|
|
for (i = 0; i < MAX_MB_PLANE; i++)
|
|
backup_yv12[i] = xd->plane[i].pre[0];
|
|
vp10_setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL);
|
|
}
|
|
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
{
|
|
unsigned int this_sad;
|
|
tmp_mv->row = 0;
|
|
tmp_mv->col = 0;
|
|
this_sad = cpi->fn_ptr[bsize].sdf(x->plane[0].src.buf, src_stride,
|
|
xd->plane[0].pre[0].buf, ref_stride);
|
|
|
|
if (scaled_ref_frame) {
|
|
int i;
|
|
for (i = 0; i < MAX_MB_PLANE; i++)
|
|
xd->plane[i].pre[0] = backup_yv12[i];
|
|
}
|
|
return this_sad;
|
|
}
|
|
#endif
|
|
|
|
// Set up prediction 1-D reference set
|
|
ref_buf = xd->plane[0].pre[0].buf - (bw >> 1);
|
|
for (idx = 0; idx < search_width; idx += 16) {
|
|
vpx_int_pro_row(&hbuf[idx], ref_buf, ref_stride, bh);
|
|
ref_buf += 16;
|
|
}
|
|
|
|
ref_buf = xd->plane[0].pre[0].buf - (bh >> 1) * ref_stride;
|
|
for (idx = 0; idx < search_height; ++idx) {
|
|
vbuf[idx] = vpx_int_pro_col(ref_buf, bw) >> norm_factor;
|
|
ref_buf += ref_stride;
|
|
}
|
|
|
|
// Set up src 1-D reference set
|
|
for (idx = 0; idx < bw; idx += 16) {
|
|
src_buf = x->plane[0].src.buf + idx;
|
|
vpx_int_pro_row(&src_hbuf[idx], src_buf, src_stride, bh);
|
|
}
|
|
|
|
src_buf = x->plane[0].src.buf;
|
|
for (idx = 0; idx < bh; ++idx) {
|
|
src_vbuf[idx] = vpx_int_pro_col(src_buf, bw) >> norm_factor;
|
|
src_buf += src_stride;
|
|
}
|
|
|
|
// Find the best match per 1-D search
|
|
tmp_mv->col = vector_match(hbuf, src_hbuf, b_width_log2_lookup[bsize]);
|
|
tmp_mv->row = vector_match(vbuf, src_vbuf, b_height_log2_lookup[bsize]);
|
|
|
|
this_mv = *tmp_mv;
|
|
src_buf = x->plane[0].src.buf;
|
|
ref_buf = xd->plane[0].pre[0].buf + this_mv.row * ref_stride + this_mv.col;
|
|
best_sad = cpi->fn_ptr[bsize].sdf(src_buf, src_stride, ref_buf, ref_stride);
|
|
|
|
{
|
|
const uint8_t * const pos[4] = {
|
|
ref_buf - ref_stride,
|
|
ref_buf - 1,
|
|
ref_buf + 1,
|
|
ref_buf + ref_stride,
|
|
};
|
|
|
|
cpi->fn_ptr[bsize].sdx4df(src_buf, src_stride, pos, ref_stride, this_sad);
|
|
}
|
|
|
|
for (idx = 0; idx < 4; ++idx) {
|
|
if (this_sad[idx] < best_sad) {
|
|
best_sad = this_sad[idx];
|
|
tmp_mv->row = search_pos[idx].row + this_mv.row;
|
|
tmp_mv->col = search_pos[idx].col + this_mv.col;
|
|
}
|
|
}
|
|
|
|
if (this_sad[0] < this_sad[3])
|
|
this_mv.row -= 1;
|
|
else
|
|
this_mv.row += 1;
|
|
|
|
if (this_sad[1] < this_sad[2])
|
|
this_mv.col -= 1;
|
|
else
|
|
this_mv.col += 1;
|
|
|
|
ref_buf = xd->plane[0].pre[0].buf + this_mv.row * ref_stride + this_mv.col;
|
|
|
|
tmp_sad = cpi->fn_ptr[bsize].sdf(src_buf, src_stride,
|
|
ref_buf, ref_stride);
|
|
if (best_sad > tmp_sad) {
|
|
*tmp_mv = this_mv;
|
|
best_sad = tmp_sad;
|
|
}
|
|
|
|
tmp_mv->row *= 8;
|
|
tmp_mv->col *= 8;
|
|
|
|
if (scaled_ref_frame) {
|
|
int i;
|
|
for (i = 0; i < MAX_MB_PLANE; i++)
|
|
xd->plane[i].pre[0] = backup_yv12[i];
|
|
}
|
|
|
|
return best_sad;
|
|
}
|
|
|
|
/* do_refine: If last step (1-away) of n-step search doesn't pick the center
|
|
point as the best match, we will do a final 1-away diamond
|
|
refining search */
|
|
int vp10_full_pixel_diamond(const VP10_COMP *cpi, MACROBLOCK *x,
|
|
MV *mvp_full, int step_param,
|
|
int sadpb, int further_steps, int do_refine,
|
|
int *cost_list,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *ref_mv, MV *dst_mv) {
|
|
MV temp_mv;
|
|
int thissme, n, num00 = 0;
|
|
int bestsme = cpi->diamond_search_sad(x, &cpi->ss_cfg, mvp_full, &temp_mv,
|
|
step_param, sadpb, &n,
|
|
fn_ptr, ref_mv);
|
|
if (bestsme < INT_MAX)
|
|
bestsme = vp10_get_mvpred_var(x, &temp_mv, ref_mv, fn_ptr, 1);
|
|
*dst_mv = temp_mv;
|
|
|
|
// If there won't be more n-step search, check to see if refining search is
|
|
// needed.
|
|
if (n > further_steps)
|
|
do_refine = 0;
|
|
|
|
while (n < further_steps) {
|
|
++n;
|
|
|
|
if (num00) {
|
|
num00--;
|
|
} else {
|
|
thissme = cpi->diamond_search_sad(x, &cpi->ss_cfg, mvp_full, &temp_mv,
|
|
step_param + n, sadpb, &num00,
|
|
fn_ptr, ref_mv);
|
|
if (thissme < INT_MAX)
|
|
thissme = vp10_get_mvpred_var(x, &temp_mv, ref_mv, fn_ptr, 1);
|
|
|
|
// check to see if refining search is needed.
|
|
if (num00 > further_steps - n)
|
|
do_refine = 0;
|
|
|
|
if (thissme < bestsme) {
|
|
bestsme = thissme;
|
|
*dst_mv = temp_mv;
|
|
}
|
|
}
|
|
}
|
|
|
|
// final 1-away diamond refining search
|
|
if (do_refine) {
|
|
const int search_range = 8;
|
|
MV best_mv = *dst_mv;
|
|
thissme = vp10_refining_search_sad(x, &best_mv, sadpb, search_range,
|
|
fn_ptr, ref_mv);
|
|
if (thissme < INT_MAX)
|
|
thissme = vp10_get_mvpred_var(x, &best_mv, ref_mv, fn_ptr, 1);
|
|
if (thissme < bestsme) {
|
|
bestsme = thissme;
|
|
*dst_mv = best_mv;
|
|
}
|
|
}
|
|
|
|
// Return cost list.
|
|
if (cost_list) {
|
|
calc_int_cost_list(x, ref_mv, sadpb, fn_ptr, dst_mv, cost_list);
|
|
}
|
|
return bestsme;
|
|
}
|
|
|
|
#define MIN_RANGE 7
|
|
#define MAX_RANGE 256
|
|
#define MIN_INTERVAL 1
|
|
// Runs an limited range exhaustive mesh search using a pattern set
|
|
// according to the encode speed profile.
|
|
static int full_pixel_exhaustive(VP10_COMP *cpi, MACROBLOCK *x,
|
|
MV *centre_mv_full, int sadpb, int *cost_list,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *ref_mv, MV *dst_mv) {
|
|
const SPEED_FEATURES *const sf = &cpi->sf;
|
|
MV temp_mv = {centre_mv_full->row, centre_mv_full->col};
|
|
MV f_ref_mv = {ref_mv->row >> 3, ref_mv->col >> 3};
|
|
int bestsme;
|
|
int i;
|
|
int interval = sf->mesh_patterns[0].interval;
|
|
int range = sf->mesh_patterns[0].range;
|
|
int baseline_interval_divisor;
|
|
|
|
// Keep track of number of exhaustive calls (this frame in this thread).
|
|
++(*x->ex_search_count_ptr);
|
|
|
|
// Trap illegal values for interval and range for this function.
|
|
if ((range < MIN_RANGE) || (range > MAX_RANGE) ||
|
|
(interval < MIN_INTERVAL) || (interval > range))
|
|
return INT_MAX;
|
|
|
|
baseline_interval_divisor = range / interval;
|
|
|
|
// Check size of proposed first range against magnitude of the centre
|
|
// value used as a starting point.
|
|
range = VPXMAX(range, (5 * VPXMAX(abs(temp_mv.row), abs(temp_mv.col))) / 4);
|
|
range = VPXMIN(range, MAX_RANGE);
|
|
interval = VPXMAX(interval, range / baseline_interval_divisor);
|
|
|
|
// initial search
|
|
bestsme = exhuastive_mesh_search(x, &f_ref_mv, &temp_mv, range,
|
|
interval, sadpb, fn_ptr, &temp_mv);
|
|
|
|
if ((interval > MIN_INTERVAL) && (range > MIN_RANGE)) {
|
|
// Progressive searches with range and step size decreasing each time
|
|
// till we reach a step size of 1. Then break out.
|
|
for (i = 1; i < MAX_MESH_STEP; ++i) {
|
|
// First pass with coarser step and longer range
|
|
bestsme = exhuastive_mesh_search(x, &f_ref_mv, &temp_mv,
|
|
sf->mesh_patterns[i].range,
|
|
sf->mesh_patterns[i].interval,
|
|
sadpb, fn_ptr, &temp_mv);
|
|
|
|
if (sf->mesh_patterns[i].interval == 1)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bestsme < INT_MAX)
|
|
bestsme = vp10_get_mvpred_var(x, &temp_mv, ref_mv, fn_ptr, 1);
|
|
*dst_mv = temp_mv;
|
|
|
|
// Return cost list.
|
|
if (cost_list) {
|
|
calc_int_cost_list(x, ref_mv, sadpb, fn_ptr, dst_mv, cost_list);
|
|
}
|
|
return bestsme;
|
|
}
|
|
|
|
int vp10_full_search_sad_c(const MACROBLOCK *x, const MV *ref_mv,
|
|
int sad_per_bit, int distance,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *center_mv, MV *best_mv) {
|
|
int r, c;
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
const int row_min = VPXMAX(ref_mv->row - distance, x->mv_row_min);
|
|
const int row_max = VPXMIN(ref_mv->row + distance, x->mv_row_max);
|
|
const int col_min = VPXMAX(ref_mv->col - distance, x->mv_col_min);
|
|
const int col_max = VPXMIN(ref_mv->col + distance, x->mv_col_max);
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
int best_sad = fn_ptr->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, ref_mv), in_what->stride) +
|
|
mvsad_err_cost(x, ref_mv, &fcenter_mv, sad_per_bit);
|
|
*best_mv = *ref_mv;
|
|
|
|
for (r = row_min; r < row_max; ++r) {
|
|
for (c = col_min; c < col_max; ++c) {
|
|
const MV mv = {r, c};
|
|
const int sad = fn_ptr->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &mv), in_what->stride) +
|
|
mvsad_err_cost(x, &mv, &fcenter_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
*best_mv = mv;
|
|
}
|
|
}
|
|
}
|
|
return best_sad;
|
|
}
|
|
|
|
int vp10_full_search_sadx3(const MACROBLOCK *x, const MV *ref_mv,
|
|
int sad_per_bit, int distance,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *center_mv, MV *best_mv) {
|
|
int r;
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
const int row_min = VPXMAX(ref_mv->row - distance, x->mv_row_min);
|
|
const int row_max = VPXMIN(ref_mv->row + distance, x->mv_row_max);
|
|
const int col_min = VPXMAX(ref_mv->col - distance, x->mv_col_min);
|
|
const int col_max = VPXMIN(ref_mv->col + distance, x->mv_col_max);
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
unsigned int best_sad = fn_ptr->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, ref_mv), in_what->stride) +
|
|
mvsad_err_cost(x, ref_mv, &fcenter_mv, sad_per_bit);
|
|
*best_mv = *ref_mv;
|
|
|
|
for (r = row_min; r < row_max; ++r) {
|
|
int c = col_min;
|
|
const uint8_t *check_here = &in_what->buf[r * in_what->stride + c];
|
|
|
|
if (fn_ptr->sdx3f != NULL) {
|
|
while ((c + 2) < col_max) {
|
|
int i;
|
|
DECLARE_ALIGNED(16, uint32_t, sads[3]);
|
|
|
|
fn_ptr->sdx3f(what->buf, what->stride, check_here, in_what->stride,
|
|
sads);
|
|
|
|
for (i = 0; i < 3; ++i) {
|
|
unsigned int sad = sads[i];
|
|
if (sad < best_sad) {
|
|
const MV mv = {r, c};
|
|
sad += mvsad_err_cost(x, &mv, &fcenter_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
*best_mv = mv;
|
|
}
|
|
}
|
|
++check_here;
|
|
++c;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (c < col_max) {
|
|
unsigned int sad = fn_ptr->sdf(what->buf, what->stride,
|
|
check_here, in_what->stride);
|
|
if (sad < best_sad) {
|
|
const MV mv = {r, c};
|
|
sad += mvsad_err_cost(x, &mv, &fcenter_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
*best_mv = mv;
|
|
}
|
|
}
|
|
++check_here;
|
|
++c;
|
|
}
|
|
}
|
|
|
|
return best_sad;
|
|
}
|
|
|
|
int vp10_full_search_sadx8(const MACROBLOCK *x, const MV *ref_mv,
|
|
int sad_per_bit, int distance,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *center_mv, MV *best_mv) {
|
|
int r;
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
const int row_min = VPXMAX(ref_mv->row - distance, x->mv_row_min);
|
|
const int row_max = VPXMIN(ref_mv->row + distance, x->mv_row_max);
|
|
const int col_min = VPXMAX(ref_mv->col - distance, x->mv_col_min);
|
|
const int col_max = VPXMIN(ref_mv->col + distance, x->mv_col_max);
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
unsigned int best_sad = fn_ptr->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, ref_mv), in_what->stride) +
|
|
mvsad_err_cost(x, ref_mv, &fcenter_mv, sad_per_bit);
|
|
*best_mv = *ref_mv;
|
|
|
|
for (r = row_min; r < row_max; ++r) {
|
|
int c = col_min;
|
|
const uint8_t *check_here = &in_what->buf[r * in_what->stride + c];
|
|
|
|
if (fn_ptr->sdx8f != NULL) {
|
|
while ((c + 7) < col_max) {
|
|
int i;
|
|
DECLARE_ALIGNED(16, uint32_t, sads[8]);
|
|
|
|
fn_ptr->sdx8f(what->buf, what->stride, check_here, in_what->stride,
|
|
sads);
|
|
|
|
for (i = 0; i < 8; ++i) {
|
|
unsigned int sad = sads[i];
|
|
if (sad < best_sad) {
|
|
const MV mv = {r, c};
|
|
sad += mvsad_err_cost(x, &mv, &fcenter_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
*best_mv = mv;
|
|
}
|
|
}
|
|
++check_here;
|
|
++c;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (fn_ptr->sdx3f != NULL) {
|
|
while ((c + 2) < col_max) {
|
|
int i;
|
|
DECLARE_ALIGNED(16, uint32_t, sads[3]);
|
|
|
|
fn_ptr->sdx3f(what->buf, what->stride, check_here, in_what->stride,
|
|
sads);
|
|
|
|
for (i = 0; i < 3; ++i) {
|
|
unsigned int sad = sads[i];
|
|
if (sad < best_sad) {
|
|
const MV mv = {r, c};
|
|
sad += mvsad_err_cost(x, &mv, &fcenter_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
*best_mv = mv;
|
|
}
|
|
}
|
|
++check_here;
|
|
++c;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (c < col_max) {
|
|
unsigned int sad = fn_ptr->sdf(what->buf, what->stride,
|
|
check_here, in_what->stride);
|
|
if (sad < best_sad) {
|
|
const MV mv = {r, c};
|
|
sad += mvsad_err_cost(x, &mv, &fcenter_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
*best_mv = mv;
|
|
}
|
|
}
|
|
++check_here;
|
|
++c;
|
|
}
|
|
}
|
|
|
|
return best_sad;
|
|
}
|
|
|
|
int vp10_refining_search_sad(const MACROBLOCK *x,
|
|
MV *ref_mv, int error_per_bit,
|
|
int search_range,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *center_mv) {
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const MV neighbors[4] = {{ -1, 0}, {0, -1}, {0, 1}, {1, 0}};
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
const uint8_t *best_address = get_buf_from_mv(in_what, ref_mv);
|
|
unsigned int best_sad = fn_ptr->sdf(what->buf, what->stride, best_address,
|
|
in_what->stride) +
|
|
mvsad_err_cost(x, ref_mv, &fcenter_mv, error_per_bit);
|
|
int i, j;
|
|
|
|
for (i = 0; i < search_range; i++) {
|
|
int best_site = -1;
|
|
const int all_in = ((ref_mv->row - 1) > x->mv_row_min) &
|
|
((ref_mv->row + 1) < x->mv_row_max) &
|
|
((ref_mv->col - 1) > x->mv_col_min) &
|
|
((ref_mv->col + 1) < x->mv_col_max);
|
|
|
|
if (all_in) {
|
|
unsigned int sads[4];
|
|
const uint8_t *const positions[4] = {
|
|
best_address - in_what->stride,
|
|
best_address - 1,
|
|
best_address + 1,
|
|
best_address + in_what->stride
|
|
};
|
|
|
|
fn_ptr->sdx4df(what->buf, what->stride, positions, in_what->stride, sads);
|
|
|
|
for (j = 0; j < 4; ++j) {
|
|
if (sads[j] < best_sad) {
|
|
const MV mv = {ref_mv->row + neighbors[j].row,
|
|
ref_mv->col + neighbors[j].col};
|
|
sads[j] += mvsad_err_cost(x, &mv, &fcenter_mv, error_per_bit);
|
|
if (sads[j] < best_sad) {
|
|
best_sad = sads[j];
|
|
best_site = j;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
for (j = 0; j < 4; ++j) {
|
|
const MV mv = {ref_mv->row + neighbors[j].row,
|
|
ref_mv->col + neighbors[j].col};
|
|
|
|
if (is_mv_in(x, &mv)) {
|
|
unsigned int sad = fn_ptr->sdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &mv),
|
|
in_what->stride);
|
|
if (sad < best_sad) {
|
|
sad += mvsad_err_cost(x, &mv, &fcenter_mv, error_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
best_site = j;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
break;
|
|
} else {
|
|
ref_mv->row += neighbors[best_site].row;
|
|
ref_mv->col += neighbors[best_site].col;
|
|
best_address = get_buf_from_mv(in_what, ref_mv);
|
|
}
|
|
}
|
|
|
|
return best_sad;
|
|
}
|
|
|
|
// This function is called when we do joint motion search in comp_inter_inter
|
|
// mode.
|
|
int vp10_refining_search_8p_c(const MACROBLOCK *x,
|
|
MV *ref_mv, int error_per_bit,
|
|
int search_range,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *center_mv,
|
|
const uint8_t *second_pred) {
|
|
const MV neighbors[8] = {{-1, 0}, {0, -1}, {0, 1}, {1, 0},
|
|
{-1, -1}, {1, -1}, {-1, 1}, {1, 1}};
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[0];
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
unsigned int best_sad = fn_ptr->sdaf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, ref_mv), in_what->stride, second_pred) +
|
|
mvsad_err_cost(x, ref_mv, &fcenter_mv, error_per_bit);
|
|
int i, j;
|
|
|
|
for (i = 0; i < search_range; ++i) {
|
|
int best_site = -1;
|
|
|
|
for (j = 0; j < 8; ++j) {
|
|
const MV mv = {ref_mv->row + neighbors[j].row,
|
|
ref_mv->col + neighbors[j].col};
|
|
|
|
if (is_mv_in(x, &mv)) {
|
|
unsigned int sad = fn_ptr->sdaf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &mv), in_what->stride, second_pred);
|
|
if (sad < best_sad) {
|
|
sad += mvsad_err_cost(x, &mv, &fcenter_mv, error_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
best_site = j;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
break;
|
|
} else {
|
|
ref_mv->row += neighbors[best_site].row;
|
|
ref_mv->col += neighbors[best_site].col;
|
|
}
|
|
}
|
|
return best_sad;
|
|
}
|
|
|
|
#define MIN_EX_SEARCH_LIMIT 128
|
|
static int is_exhaustive_allowed(VP10_COMP *cpi, MACROBLOCK *x) {
|
|
const SPEED_FEATURES *const sf = &cpi->sf;
|
|
const int max_ex = VPXMAX(MIN_EX_SEARCH_LIMIT,
|
|
(*x->m_search_count_ptr * sf->max_exaustive_pct) / 100);
|
|
|
|
return sf->allow_exhaustive_searches &&
|
|
(sf->exhaustive_searches_thresh < INT_MAX) &&
|
|
(*x->ex_search_count_ptr <= max_ex) &&
|
|
!cpi->rc.is_src_frame_alt_ref;
|
|
}
|
|
|
|
int vp10_full_pixel_search(VP10_COMP *cpi, MACROBLOCK *x,
|
|
BLOCK_SIZE bsize, MV *mvp_full,
|
|
int step_param, int error_per_bit,
|
|
int *cost_list,
|
|
const MV *ref_mv, MV *tmp_mv,
|
|
int var_max, int rd) {
|
|
const SPEED_FEATURES *const sf = &cpi->sf;
|
|
const SEARCH_METHODS method = sf->mv.search_method;
|
|
vp10_variance_fn_ptr_t *fn_ptr = &cpi->fn_ptr[bsize];
|
|
int var = 0;
|
|
if (cost_list) {
|
|
cost_list[0] = INT_MAX;
|
|
cost_list[1] = INT_MAX;
|
|
cost_list[2] = INT_MAX;
|
|
cost_list[3] = INT_MAX;
|
|
cost_list[4] = INT_MAX;
|
|
}
|
|
|
|
// Keep track of number of searches (this frame in this thread).
|
|
++(*x->m_search_count_ptr);
|
|
|
|
switch (method) {
|
|
case FAST_DIAMOND:
|
|
var = vp10_fast_dia_search(x, mvp_full, step_param, error_per_bit, 0,
|
|
cost_list, fn_ptr, 1, ref_mv, tmp_mv);
|
|
break;
|
|
case FAST_HEX:
|
|
var = vp10_fast_hex_search(x, mvp_full, step_param, error_per_bit, 0,
|
|
cost_list, fn_ptr, 1, ref_mv, tmp_mv);
|
|
break;
|
|
case HEX:
|
|
var = vp10_hex_search(x, mvp_full, step_param, error_per_bit, 1,
|
|
cost_list, fn_ptr, 1, ref_mv, tmp_mv);
|
|
break;
|
|
case SQUARE:
|
|
var = vp10_square_search(x, mvp_full, step_param, error_per_bit, 1,
|
|
cost_list, fn_ptr, 1, ref_mv, tmp_mv);
|
|
break;
|
|
case BIGDIA:
|
|
var = vp10_bigdia_search(x, mvp_full, step_param, error_per_bit, 1,
|
|
cost_list, fn_ptr, 1, ref_mv, tmp_mv);
|
|
break;
|
|
case NSTEP:
|
|
var = vp10_full_pixel_diamond(cpi, x, mvp_full, step_param, error_per_bit,
|
|
MAX_MVSEARCH_STEPS - 1 - step_param,
|
|
1, cost_list, fn_ptr, ref_mv, tmp_mv);
|
|
|
|
// Should we allow a follow on exhaustive search?
|
|
if (is_exhaustive_allowed(cpi, x)) {
|
|
int64_t exhuastive_thr = sf->exhaustive_searches_thresh;
|
|
exhuastive_thr >>= 8 - (b_width_log2_lookup[bsize] +
|
|
b_height_log2_lookup[bsize]);
|
|
|
|
// Threshold variance for an exhaustive full search.
|
|
if (var > exhuastive_thr) {
|
|
int var_ex;
|
|
MV tmp_mv_ex;
|
|
var_ex = full_pixel_exhaustive(cpi, x, tmp_mv,
|
|
error_per_bit, cost_list, fn_ptr,
|
|
ref_mv, &tmp_mv_ex);
|
|
|
|
if (var_ex < var) {
|
|
var = var_ex;
|
|
*tmp_mv = tmp_mv_ex;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
break;
|
|
default:
|
|
assert(0 && "Invalid search method.");
|
|
}
|
|
|
|
if (method != NSTEP && rd && var < var_max)
|
|
var = vp10_get_mvpred_var(x, tmp_mv, ref_mv, fn_ptr, 1);
|
|
|
|
return var;
|
|
}
|
|
|
|
#if CONFIG_EXT_INTER
|
|
/* returns subpixel variance error function */
|
|
#define DIST(r, c) \
|
|
vfp->msvf(pre(y, y_stride, r, c), y_stride, sp(c), sp(r), z, \
|
|
src_stride, mask, mask_stride, &sse)
|
|
|
|
/* checks if (r, c) has better score than previous best */
|
|
|
|
#define MVC(r, c) \
|
|
(mvcost ? \
|
|
((mvjcost[((r) != rr) * 2 + ((c) != rc)] + \
|
|
mvcost[0][((r) - rr)] + mvcost[1][((c) - rc)]) * \
|
|
error_per_bit + 4096) >> 13 : 0)
|
|
|
|
#define CHECK_BETTER(v, r, c) \
|
|
if (c >= minc && c <= maxc && r >= minr && r <= maxr) { \
|
|
thismse = (DIST(r, c)); \
|
|
if ((v = MVC(r, c) + thismse) < besterr) { \
|
|
besterr = v; \
|
|
br = r; \
|
|
bc = c; \
|
|
*distortion = thismse; \
|
|
*sse1 = sse; \
|
|
} \
|
|
} else { \
|
|
v = INT_MAX; \
|
|
}
|
|
|
|
int vp10_find_best_masked_sub_pixel_tree(const MACROBLOCK *x,
|
|
const uint8_t *mask, int mask_stride,
|
|
MV *bestmv, const MV *ref_mv,
|
|
int allow_hp,
|
|
int error_per_bit,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int forced_stop,
|
|
int iters_per_step,
|
|
int *mvjcost, int *mvcost[2],
|
|
int *distortion,
|
|
unsigned int *sse1, int is_second) {
|
|
const uint8_t *const z = x->plane[0].src.buf;
|
|
const int src_stride = x->plane[0].src.stride;
|
|
const MACROBLOCKD *xd = &x->e_mbd;
|
|
unsigned int besterr = INT_MAX;
|
|
unsigned int sse;
|
|
unsigned int whichdir;
|
|
int thismse;
|
|
unsigned int halfiters = iters_per_step;
|
|
unsigned int quarteriters = iters_per_step;
|
|
unsigned int eighthiters = iters_per_step;
|
|
|
|
const int y_stride = xd->plane[0].pre[is_second].stride;
|
|
const int offset = bestmv->row * y_stride + bestmv->col;
|
|
const uint8_t *const y = xd->plane[0].pre[is_second].buf;
|
|
|
|
int rr = ref_mv->row;
|
|
int rc = ref_mv->col;
|
|
int br = bestmv->row * 8;
|
|
int bc = bestmv->col * 8;
|
|
int hstep = 4;
|
|
const int minc = VPXMAX(x->mv_col_min * 8, ref_mv->col - MV_MAX);
|
|
const int maxc = VPXMIN(x->mv_col_max * 8, ref_mv->col + MV_MAX);
|
|
const int minr = VPXMAX(x->mv_row_min * 8, ref_mv->row - MV_MAX);
|
|
const int maxr = VPXMIN(x->mv_row_max * 8, ref_mv->row + MV_MAX);
|
|
|
|
int tr = br;
|
|
int tc = bc;
|
|
|
|
// central mv
|
|
bestmv->row *= 8;
|
|
bestmv->col *= 8;
|
|
|
|
// calculate central point error
|
|
besterr = vfp->mvf(y + offset, y_stride, z, src_stride, mask, mask_stride,
|
|
sse1);
|
|
*distortion = besterr;
|
|
besterr += mv_err_cost(bestmv, ref_mv, mvjcost, mvcost, error_per_bit);
|
|
|
|
// 1/2 pel
|
|
FIRST_LEVEL_CHECKS;
|
|
if (halfiters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
tr = br;
|
|
tc = bc;
|
|
|
|
// Note forced_stop: 0 - full, 1 - qtr only, 2 - half only
|
|
if (forced_stop != 2) {
|
|
hstep >>= 1;
|
|
FIRST_LEVEL_CHECKS;
|
|
if (quarteriters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
tr = br;
|
|
tc = bc;
|
|
}
|
|
|
|
if (allow_hp && vp10_use_mv_hp(ref_mv) && forced_stop == 0) {
|
|
hstep >>= 1;
|
|
FIRST_LEVEL_CHECKS;
|
|
if (eighthiters > 1) {
|
|
SECOND_LEVEL_CHECKS;
|
|
}
|
|
tr = br;
|
|
tc = bc;
|
|
}
|
|
// These lines insure static analysis doesn't warn that
|
|
// tr and tc aren't used after the above point.
|
|
(void) tr;
|
|
(void) tc;
|
|
|
|
bestmv->row = br;
|
|
bestmv->col = bc;
|
|
|
|
if ((abs(bestmv->col - ref_mv->col) > (MAX_FULL_PEL_VAL << 3)) ||
|
|
(abs(bestmv->row - ref_mv->row) > (MAX_FULL_PEL_VAL << 3)))
|
|
return INT_MAX;
|
|
|
|
return besterr;
|
|
}
|
|
|
|
#undef DIST
|
|
#undef MVC
|
|
#undef CHECK_BETTER
|
|
|
|
static int get_masked_mvpred_var(const MACROBLOCK *x,
|
|
const uint8_t *mask, int mask_stride,
|
|
const MV *best_mv, const MV *center_mv,
|
|
const vp10_variance_fn_ptr_t *vfp,
|
|
int use_mvcost, int is_second) {
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[is_second];
|
|
const MV mv = {best_mv->row * 8, best_mv->col * 8};
|
|
unsigned int unused;
|
|
|
|
return vfp->mvf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, best_mv), in_what->stride,
|
|
mask, mask_stride, &unused) +
|
|
(use_mvcost ? mv_err_cost(&mv, center_mv, x->nmvjointcost,
|
|
x->mvcost, x->errorperbit) : 0);
|
|
}
|
|
|
|
int masked_refining_search_sad(const MACROBLOCK *x,
|
|
const uint8_t *mask, int mask_stride,
|
|
MV *ref_mv, int error_per_bit,
|
|
int search_range,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *center_mv, int is_second) {
|
|
const MV neighbors[4] = {{ -1, 0}, {0, -1}, {0, 1}, {1, 0}};
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[is_second];
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
unsigned int best_sad = fn_ptr->msdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, ref_mv),
|
|
in_what->stride, mask, mask_stride) +
|
|
mvsad_err_cost(x, ref_mv, &fcenter_mv, error_per_bit);
|
|
int i, j;
|
|
|
|
for (i = 0; i < search_range; i++) {
|
|
int best_site = -1;
|
|
|
|
for (j = 0; j < 4; j++) {
|
|
const MV mv = {ref_mv->row + neighbors[j].row,
|
|
ref_mv->col + neighbors[j].col};
|
|
if (is_mv_in(x, &mv)) {
|
|
unsigned int sad = fn_ptr->msdf(what->buf, what->stride,
|
|
get_buf_from_mv(in_what, &mv), in_what->stride, mask, mask_stride);
|
|
if (sad < best_sad) {
|
|
sad += mvsad_err_cost(x, &mv, &fcenter_mv, error_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
best_site = j;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
break;
|
|
} else {
|
|
ref_mv->row += neighbors[best_site].row;
|
|
ref_mv->col += neighbors[best_site].col;
|
|
}
|
|
}
|
|
return best_sad;
|
|
}
|
|
|
|
int masked_diamond_search_sad(const MACROBLOCK *x,
|
|
const search_site_config *cfg,
|
|
const uint8_t *mask, int mask_stride,
|
|
MV *ref_mv, MV *best_mv,
|
|
int search_param,
|
|
int sad_per_bit, int *num00,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *center_mv, int is_second) {
|
|
const MACROBLOCKD *const xd = &x->e_mbd;
|
|
const struct buf_2d *const what = &x->plane[0].src;
|
|
const struct buf_2d *const in_what = &xd->plane[0].pre[is_second];
|
|
// search_param determines the length of the initial step and hence the number
|
|
// of iterations
|
|
// 0 = initial step (MAX_FIRST_STEP) pel : 1 = (MAX_FIRST_STEP/2) pel, 2 =
|
|
// (MAX_FIRST_STEP/4) pel... etc.
|
|
const search_site *const ss = &cfg->ss[search_param * cfg->searches_per_step];
|
|
const int tot_steps = (cfg->ss_count / cfg->searches_per_step) - search_param;
|
|
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
|
|
const uint8_t *best_address, *in_what_ref;
|
|
int best_sad = INT_MAX;
|
|
int best_site = 0;
|
|
int last_site = 0;
|
|
int i, j, step;
|
|
|
|
clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min, x->mv_row_max);
|
|
in_what_ref = get_buf_from_mv(in_what, ref_mv);
|
|
best_address = in_what_ref;
|
|
*num00 = 0;
|
|
*best_mv = *ref_mv;
|
|
|
|
// Check the starting position
|
|
best_sad = fn_ptr->msdf(what->buf, what->stride,
|
|
best_address, in_what->stride,
|
|
mask, mask_stride) +
|
|
mvsad_err_cost(x, best_mv, &fcenter_mv, sad_per_bit);
|
|
|
|
i = 1;
|
|
|
|
for (step = 0; step < tot_steps; step++) {
|
|
for (j = 0; j < cfg->searches_per_step; j++) {
|
|
const MV mv = {best_mv->row + ss[i].mv.row,
|
|
best_mv->col + ss[i].mv.col};
|
|
if (is_mv_in(x, &mv)) {
|
|
int sad = fn_ptr->msdf(what->buf, what->stride,
|
|
best_address + ss[i].offset, in_what->stride,
|
|
mask, mask_stride);
|
|
if (sad < best_sad) {
|
|
sad += mvsad_err_cost(x, &mv, &fcenter_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
best_site = i;
|
|
}
|
|
}
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
if (best_site != last_site) {
|
|
best_mv->row += ss[best_site].mv.row;
|
|
best_mv->col += ss[best_site].mv.col;
|
|
best_address += ss[best_site].offset;
|
|
last_site = best_site;
|
|
#if defined(NEW_DIAMOND_SEARCH)
|
|
while (1) {
|
|
const MV this_mv = {best_mv->row + ss[best_site].mv.row,
|
|
best_mv->col + ss[best_site].mv.col};
|
|
if (is_mv_in(x, &this_mv)) {
|
|
int sad = fn_ptr->msdf(what->buf, what->stride,
|
|
best_address + ss[best_site].offset,
|
|
in_what->stride, mask, mask_stride);
|
|
if (sad < best_sad) {
|
|
sad += mvsad_err_cost(x, &this_mv, &fcenter_mv, sad_per_bit);
|
|
if (sad < best_sad) {
|
|
best_sad = sad;
|
|
best_mv->row += ss[best_site].mv.row;
|
|
best_mv->col += ss[best_site].mv.col;
|
|
best_address += ss[best_site].offset;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
} else if (best_address == in_what_ref) {
|
|
(*num00)++;
|
|
}
|
|
}
|
|
return best_sad;
|
|
}
|
|
|
|
int vp10_masked_full_pixel_diamond(const VP10_COMP *cpi, MACROBLOCK *x,
|
|
const uint8_t *mask, int mask_stride,
|
|
MV *mvp_full, int step_param,
|
|
int sadpb, int further_steps, int do_refine,
|
|
const vp10_variance_fn_ptr_t *fn_ptr,
|
|
const MV *ref_mv, MV *dst_mv,
|
|
int is_second) {
|
|
MV temp_mv;
|
|
int thissme, n, num00 = 0;
|
|
int bestsme = masked_diamond_search_sad(x, &cpi->ss_cfg,
|
|
mask, mask_stride,
|
|
mvp_full, &temp_mv,
|
|
step_param, sadpb, &n,
|
|
fn_ptr, ref_mv, is_second);
|
|
if (bestsme < INT_MAX)
|
|
bestsme = get_masked_mvpred_var(x, mask, mask_stride, &temp_mv, ref_mv,
|
|
fn_ptr, 1, is_second);
|
|
*dst_mv = temp_mv;
|
|
|
|
// If there won't be more n-step search, check to see if refining search is
|
|
// needed.
|
|
if (n > further_steps)
|
|
do_refine = 0;
|
|
|
|
while (n < further_steps) {
|
|
++n;
|
|
|
|
if (num00) {
|
|
num00--;
|
|
} else {
|
|
thissme = masked_diamond_search_sad(x, &cpi->ss_cfg,
|
|
mask, mask_stride,
|
|
mvp_full, &temp_mv,
|
|
step_param + n, sadpb, &num00,
|
|
fn_ptr, ref_mv, is_second);
|
|
if (thissme < INT_MAX)
|
|
thissme = get_masked_mvpred_var(x, mask, mask_stride,
|
|
&temp_mv, ref_mv, fn_ptr, 1,
|
|
is_second);
|
|
|
|
// check to see if refining search is needed.
|
|
if (num00 > further_steps - n)
|
|
do_refine = 0;
|
|
|
|
if (thissme < bestsme) {
|
|
bestsme = thissme;
|
|
*dst_mv = temp_mv;
|
|
}
|
|
}
|
|
}
|
|
|
|
// final 1-away diamond refining search
|
|
if (do_refine) {
|
|
const int search_range = 8;
|
|
MV best_mv = *dst_mv;
|
|
thissme = masked_refining_search_sad(x, mask, mask_stride,
|
|
&best_mv, sadpb, search_range,
|
|
fn_ptr, ref_mv, is_second);
|
|
if (thissme < INT_MAX)
|
|
thissme = get_masked_mvpred_var(x, mask, mask_stride,
|
|
&best_mv, ref_mv, fn_ptr, 1,
|
|
is_second);
|
|
if (thissme < bestsme) {
|
|
bestsme = thissme;
|
|
*dst_mv = best_mv;
|
|
}
|
|
}
|
|
return bestsme;
|
|
}
|
|
#endif // CONFIG_EXT_INTER
|