1914 lines
58 KiB
C
1914 lines
58 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 "./vp8_rtcd.h"
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#include "./vpx_dsp_rtcd.h"
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#include "onyx_int.h"
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#include "mcomp.h"
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#include "vpx_mem/vpx_mem.h"
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#include "vpx_config.h"
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#include <stdio.h>
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#include <limits.h>
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#include <math.h>
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#include "vp8/common/findnearmv.h"
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#include "vp8/common/common.h"
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#include "vpx_dsp/vpx_dsp_common.h"
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#ifdef VP8_ENTROPY_STATS
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static int mv_ref_ct[31][4][2];
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static int mv_mode_cts[4][2];
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#endif
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int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight) {
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/* MV costing is based on the distribution of vectors in the previous
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* frame and as such will tend to over state the cost of vectors. In
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* addition coding a new vector can have a knock on effect on the cost
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* of subsequent vectors and the quality of prediction from NEAR and
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* NEAREST for subsequent blocks. The "Weight" parameter allows, to a
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* limited extent, for some account to be taken of these factors.
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*/
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return ((mvcost[0][(mv->as_mv.row - ref->as_mv.row) >> 1] +
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mvcost[1][(mv->as_mv.col - ref->as_mv.col) >> 1]) *
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Weight) >>
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7;
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}
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static int mv_err_cost(int_mv *mv, int_mv *ref, int *mvcost[2],
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int error_per_bit) {
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/* Ignore mv costing if mvcost is NULL */
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if (mvcost) {
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return ((mvcost[0][(mv->as_mv.row - ref->as_mv.row) >> 1] +
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mvcost[1][(mv->as_mv.col - ref->as_mv.col) >> 1]) *
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error_per_bit +
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128) >>
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8;
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}
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return 0;
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}
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static int mvsad_err_cost(int_mv *mv, int_mv *ref, int *mvsadcost[2],
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int error_per_bit) {
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/* Calculate sad error cost on full pixel basis. */
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/* Ignore mv costing if mvsadcost is NULL */
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if (mvsadcost) {
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return ((mvsadcost[0][(mv->as_mv.row - ref->as_mv.row)] +
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mvsadcost[1][(mv->as_mv.col - ref->as_mv.col)]) *
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error_per_bit +
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128) >>
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8;
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}
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return 0;
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}
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void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride) {
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int Len;
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int search_site_count = 0;
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/* Generate offsets for 4 search sites per step. */
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Len = MAX_FIRST_STEP;
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x->ss[search_site_count].mv.col = 0;
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x->ss[search_site_count].mv.row = 0;
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x->ss[search_site_count].offset = 0;
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search_site_count++;
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while (Len > 0) {
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = 0;
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x->ss[search_site_count].mv.row = -Len;
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x->ss[search_site_count].offset = -Len * stride;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = 0;
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x->ss[search_site_count].mv.row = Len;
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x->ss[search_site_count].offset = Len * stride;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = -Len;
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x->ss[search_site_count].mv.row = 0;
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x->ss[search_site_count].offset = -Len;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = Len;
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x->ss[search_site_count].mv.row = 0;
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x->ss[search_site_count].offset = Len;
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search_site_count++;
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/* Contract. */
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Len /= 2;
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}
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x->ss_count = search_site_count;
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x->searches_per_step = 4;
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}
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void vp8_init3smotion_compensation(MACROBLOCK *x, int stride) {
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int Len;
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int search_site_count = 0;
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/* Generate offsets for 8 search sites per step. */
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Len = MAX_FIRST_STEP;
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x->ss[search_site_count].mv.col = 0;
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x->ss[search_site_count].mv.row = 0;
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x->ss[search_site_count].offset = 0;
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search_site_count++;
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while (Len > 0) {
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = 0;
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x->ss[search_site_count].mv.row = -Len;
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x->ss[search_site_count].offset = -Len * stride;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = 0;
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x->ss[search_site_count].mv.row = Len;
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x->ss[search_site_count].offset = Len * stride;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = -Len;
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x->ss[search_site_count].mv.row = 0;
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x->ss[search_site_count].offset = -Len;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = Len;
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x->ss[search_site_count].mv.row = 0;
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x->ss[search_site_count].offset = Len;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = -Len;
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x->ss[search_site_count].mv.row = -Len;
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x->ss[search_site_count].offset = -Len * stride - Len;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = Len;
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x->ss[search_site_count].mv.row = -Len;
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x->ss[search_site_count].offset = -Len * stride + Len;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = -Len;
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x->ss[search_site_count].mv.row = Len;
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x->ss[search_site_count].offset = Len * stride - Len;
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search_site_count++;
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/* Compute offsets for search sites. */
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x->ss[search_site_count].mv.col = Len;
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x->ss[search_site_count].mv.row = Len;
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x->ss[search_site_count].offset = Len * stride + Len;
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search_site_count++;
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/* Contract. */
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Len /= 2;
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}
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x->ss_count = search_site_count;
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x->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 cost of a motion vector (r,c) */
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#define MVC(r, c) \
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(mvcost \
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? ((mvcost[0][(r)-rr] + mvcost[1][(c)-rc]) * error_per_bit + 128) >> 8 \
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: 0)
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/* pointer to predictor base of a motionvector */
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#define PRE(r, c) (y + (((r) >> 2) * y_stride + ((c) >> 2) - (offset)))
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/* convert motion vector component to offset for svf calc */
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#define SP(x) (((x)&3) << 1)
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/* returns subpixel variance error function. */
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#define DIST(r, c) \
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vfp->svf(PRE(r, c), y_stride, SP(c), SP(r), z, b->src_stride, &sse)
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#define IFMVCV(r, c, s, e) \
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if (c >= minc && c <= maxc && r >= minr && r <= maxr) s else e;
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/* returns distortion + motion vector cost */
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#define ERR(r, c) (MVC(r, c) + DIST(r, c))
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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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IFMVCV(r, c, \
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{ \
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thismse = DIST(r, c); \
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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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}, \
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v = UINT_MAX;)
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int vp8_find_best_sub_pixel_step_iteratively(MACROBLOCK *x, BLOCK *b, BLOCKD *d,
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int_mv *bestmv, int_mv *ref_mv,
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int error_per_bit,
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const vp8_variance_fn_ptr_t *vfp,
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int *mvcost[2], int *distortion,
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unsigned int *sse1) {
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unsigned char *z = (*(b->base_src) + b->src);
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int rr = ref_mv->as_mv.row >> 1, rc = ref_mv->as_mv.col >> 1;
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int br = bestmv->as_mv.row * 4, bc = bestmv->as_mv.col * 4;
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int tr = br, tc = bc;
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unsigned int besterr;
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unsigned int left, right, up, down, diag;
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unsigned int sse;
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unsigned int whichdir;
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unsigned int halfiters = 4;
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unsigned int quarteriters = 4;
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int thismse;
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int minc = VPXMAX(x->mv_col_min * 4,
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(ref_mv->as_mv.col >> 1) - ((1 << mvlong_width) - 1));
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int maxc = VPXMIN(x->mv_col_max * 4,
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(ref_mv->as_mv.col >> 1) + ((1 << mvlong_width) - 1));
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int minr = VPXMAX(x->mv_row_min * 4,
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(ref_mv->as_mv.row >> 1) - ((1 << mvlong_width) - 1));
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int maxr = VPXMIN(x->mv_row_max * 4,
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(ref_mv->as_mv.row >> 1) + ((1 << mvlong_width) - 1));
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int y_stride;
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int offset;
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int pre_stride = x->e_mbd.pre.y_stride;
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unsigned char *base_pre = x->e_mbd.pre.y_buffer;
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#if ARCH_X86 || ARCH_X86_64
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MACROBLOCKD *xd = &x->e_mbd;
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unsigned char *y_0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride +
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bestmv->as_mv.col;
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unsigned char *y;
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int buf_r1, buf_r2, buf_c1;
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/* Clamping to avoid out-of-range data access */
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buf_r1 = ((bestmv->as_mv.row - 3) < x->mv_row_min)
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? (bestmv->as_mv.row - x->mv_row_min)
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: 3;
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buf_r2 = ((bestmv->as_mv.row + 3) > x->mv_row_max)
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? (x->mv_row_max - bestmv->as_mv.row)
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: 3;
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buf_c1 = ((bestmv->as_mv.col - 3) < x->mv_col_min)
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? (bestmv->as_mv.col - x->mv_col_min)
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: 3;
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y_stride = 32;
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/* Copy to intermediate buffer before searching. */
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vfp->copymem(y_0 - buf_c1 - pre_stride * buf_r1, pre_stride, xd->y_buf,
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y_stride, 16 + buf_r1 + buf_r2);
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y = xd->y_buf + y_stride * buf_r1 + buf_c1;
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#else
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unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride +
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bestmv->as_mv.col;
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y_stride = pre_stride;
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#endif
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offset = (bestmv->as_mv.row) * y_stride + bestmv->as_mv.col;
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/* central mv */
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bestmv->as_mv.row *= 8;
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bestmv->as_mv.col *= 8;
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/* calculate central point error */
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besterr = vfp->vf(y, y_stride, z, b->src_stride, sse1);
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*distortion = besterr;
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besterr += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit);
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/* TODO: Each subsequent iteration checks at least one point in common
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* with the last iteration could be 2 ( if diag selected)
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*/
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while (--halfiters) {
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/* 1/2 pel */
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CHECK_BETTER(left, tr, tc - 2);
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CHECK_BETTER(right, tr, tc + 2);
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CHECK_BETTER(up, tr - 2, tc);
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CHECK_BETTER(down, tr + 2, tc);
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whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2);
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switch (whichdir) {
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case 0: CHECK_BETTER(diag, tr - 2, tc - 2); break;
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case 1: CHECK_BETTER(diag, tr - 2, tc + 2); break;
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case 2: CHECK_BETTER(diag, tr + 2, tc - 2); break;
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case 3: CHECK_BETTER(diag, tr + 2, tc + 2); break;
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}
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/* no reason to check the same one again. */
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if (tr == br && tc == bc) break;
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tr = br;
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tc = bc;
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}
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/* TODO: Each subsequent iteration checks at least one point in common
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* with the last iteration could be 2 ( if diag selected)
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*/
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/* 1/4 pel */
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while (--quarteriters) {
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CHECK_BETTER(left, tr, tc - 1);
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CHECK_BETTER(right, tr, tc + 1);
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CHECK_BETTER(up, tr - 1, tc);
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CHECK_BETTER(down, tr + 1, tc);
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whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2);
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switch (whichdir) {
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case 0: CHECK_BETTER(diag, tr - 1, tc - 1); break;
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case 1: CHECK_BETTER(diag, tr - 1, tc + 1); break;
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case 2: CHECK_BETTER(diag, tr + 1, tc - 1); break;
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case 3: CHECK_BETTER(diag, tr + 1, tc + 1); break;
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}
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/* no reason to check the same one again. */
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if (tr == br && tc == bc) break;
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tr = br;
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tc = bc;
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}
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bestmv->as_mv.row = br * 2;
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bestmv->as_mv.col = bc * 2;
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if ((abs(bestmv->as_mv.col - ref_mv->as_mv.col) > (MAX_FULL_PEL_VAL << 3)) ||
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(abs(bestmv->as_mv.row - ref_mv->as_mv.row) > (MAX_FULL_PEL_VAL << 3))) {
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return INT_MAX;
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}
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return besterr;
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}
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#undef MVC
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#undef PRE
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#undef SP
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#undef DIST
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#undef IFMVCV
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#undef ERR
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#undef CHECK_BETTER
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int vp8_find_best_sub_pixel_step(MACROBLOCK *x, BLOCK *b, BLOCKD *d,
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int_mv *bestmv, int_mv *ref_mv,
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int error_per_bit,
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const vp8_variance_fn_ptr_t *vfp,
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int *mvcost[2], int *distortion,
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unsigned int *sse1) {
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int bestmse = INT_MAX;
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int_mv startmv;
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int_mv this_mv;
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unsigned char *z = (*(b->base_src) + b->src);
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int left, right, up, down, diag;
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unsigned int sse;
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int whichdir;
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int thismse;
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int y_stride;
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int pre_stride = x->e_mbd.pre.y_stride;
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unsigned char *base_pre = x->e_mbd.pre.y_buffer;
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#if ARCH_X86 || ARCH_X86_64
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MACROBLOCKD *xd = &x->e_mbd;
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unsigned char *y_0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride +
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bestmv->as_mv.col;
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unsigned char *y;
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y_stride = 32;
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/* Copy 18 rows x 32 cols area to intermediate buffer before searching. */
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vfp->copymem(y_0 - 1 - pre_stride, pre_stride, xd->y_buf, y_stride, 18);
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y = xd->y_buf + y_stride + 1;
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#else
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unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride +
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bestmv->as_mv.col;
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y_stride = pre_stride;
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#endif
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/* central mv */
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bestmv->as_mv.row *= 8;
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bestmv->as_mv.col *= 8;
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startmv = *bestmv;
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/* calculate central point error */
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bestmse = vfp->vf(y, y_stride, z, b->src_stride, sse1);
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*distortion = bestmse;
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bestmse += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit);
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/* go left then right and check error */
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this_mv.as_mv.row = startmv.as_mv.row;
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this_mv.as_mv.col = ((startmv.as_mv.col - 8) | 4);
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/* "halfpix" horizontal variance */
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thismse = vfp->svf(y - 1, y_stride, 4, 0, z, b->src_stride, &sse);
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left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
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if (left < bestmse) {
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*bestmv = this_mv;
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bestmse = left;
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*distortion = thismse;
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*sse1 = sse;
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}
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this_mv.as_mv.col += 8;
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/* "halfpix" horizontal variance */
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thismse = vfp->svf(y, y_stride, 4, 0, z, b->src_stride, &sse);
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right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
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if (right < bestmse) {
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*bestmv = this_mv;
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bestmse = right;
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*distortion = thismse;
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*sse1 = sse;
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}
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/* go up then down and check error */
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this_mv.as_mv.col = startmv.as_mv.col;
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this_mv.as_mv.row = ((startmv.as_mv.row - 8) | 4);
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/* "halfpix" vertical variance */
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thismse = vfp->svf(y - y_stride, y_stride, 0, 4, z, b->src_stride, &sse);
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up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (up < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = up;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
this_mv.as_mv.row += 8;
|
|
/* "halfpix" vertical variance */
|
|
thismse = vfp->svf(y, y_stride, 0, 4, z, b->src_stride, &sse);
|
|
down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (down < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = down;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
/* now check 1 more diagonal */
|
|
whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2);
|
|
this_mv = startmv;
|
|
|
|
switch (whichdir) {
|
|
case 0:
|
|
this_mv.as_mv.col = (this_mv.as_mv.col - 8) | 4;
|
|
this_mv.as_mv.row = (this_mv.as_mv.row - 8) | 4;
|
|
/* "halfpix" horizontal/vertical variance */
|
|
thismse =
|
|
vfp->svf(y - 1 - y_stride, y_stride, 4, 4, z, b->src_stride, &sse);
|
|
break;
|
|
case 1:
|
|
this_mv.as_mv.col += 4;
|
|
this_mv.as_mv.row = (this_mv.as_mv.row - 8) | 4;
|
|
/* "halfpix" horizontal/vertical variance */
|
|
thismse = vfp->svf(y - y_stride, y_stride, 4, 4, z, b->src_stride, &sse);
|
|
break;
|
|
case 2:
|
|
this_mv.as_mv.col = (this_mv.as_mv.col - 8) | 4;
|
|
this_mv.as_mv.row += 4;
|
|
/* "halfpix" horizontal/vertical variance */
|
|
thismse = vfp->svf(y - 1, y_stride, 4, 4, z, b->src_stride, &sse);
|
|
break;
|
|
case 3:
|
|
default:
|
|
this_mv.as_mv.col += 4;
|
|
this_mv.as_mv.row += 4;
|
|
/* "halfpix" horizontal/vertical variance */
|
|
thismse = vfp->svf(y, y_stride, 4, 4, z, b->src_stride, &sse);
|
|
break;
|
|
}
|
|
|
|
diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (diag < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = diag;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
/* time to check quarter pels. */
|
|
if (bestmv->as_mv.row < startmv.as_mv.row) y -= y_stride;
|
|
|
|
if (bestmv->as_mv.col < startmv.as_mv.col) y--;
|
|
|
|
startmv = *bestmv;
|
|
|
|
/* go left then right and check error */
|
|
this_mv.as_mv.row = startmv.as_mv.row;
|
|
|
|
if (startmv.as_mv.col & 7) {
|
|
this_mv.as_mv.col = startmv.as_mv.col - 2;
|
|
thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7,
|
|
this_mv.as_mv.row & 7, z, b->src_stride, &sse);
|
|
} else {
|
|
this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6;
|
|
thismse = vfp->svf(y - 1, y_stride, 6, this_mv.as_mv.row & 7, z,
|
|
b->src_stride, &sse);
|
|
}
|
|
|
|
left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (left < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = left;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
this_mv.as_mv.col += 4;
|
|
thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7,
|
|
z, b->src_stride, &sse);
|
|
right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (right < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = right;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
/* go up then down and check error */
|
|
this_mv.as_mv.col = startmv.as_mv.col;
|
|
|
|
if (startmv.as_mv.row & 7) {
|
|
this_mv.as_mv.row = startmv.as_mv.row - 2;
|
|
thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7,
|
|
this_mv.as_mv.row & 7, z, b->src_stride, &sse);
|
|
} else {
|
|
this_mv.as_mv.row = (startmv.as_mv.row - 8) | 6;
|
|
thismse = vfp->svf(y - y_stride, y_stride, this_mv.as_mv.col & 7, 6, z,
|
|
b->src_stride, &sse);
|
|
}
|
|
|
|
up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (up < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = up;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
this_mv.as_mv.row += 4;
|
|
thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7,
|
|
z, b->src_stride, &sse);
|
|
down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (down < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = down;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
/* now check 1 more diagonal */
|
|
whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2);
|
|
|
|
this_mv = startmv;
|
|
|
|
switch (whichdir) {
|
|
case 0:
|
|
|
|
if (startmv.as_mv.row & 7) {
|
|
this_mv.as_mv.row -= 2;
|
|
|
|
if (startmv.as_mv.col & 7) {
|
|
this_mv.as_mv.col -= 2;
|
|
thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7,
|
|
this_mv.as_mv.row & 7, z, b->src_stride, &sse);
|
|
} else {
|
|
this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6;
|
|
thismse = vfp->svf(y - 1, y_stride, 6, this_mv.as_mv.row & 7, z,
|
|
b->src_stride, &sse);
|
|
}
|
|
} else {
|
|
this_mv.as_mv.row = (startmv.as_mv.row - 8) | 6;
|
|
|
|
if (startmv.as_mv.col & 7) {
|
|
this_mv.as_mv.col -= 2;
|
|
thismse = vfp->svf(y - y_stride, y_stride, this_mv.as_mv.col & 7, 6,
|
|
z, b->src_stride, &sse);
|
|
} else {
|
|
this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6;
|
|
thismse = vfp->svf(y - y_stride - 1, y_stride, 6, 6, z, b->src_stride,
|
|
&sse);
|
|
}
|
|
}
|
|
|
|
break;
|
|
case 1:
|
|
this_mv.as_mv.col += 2;
|
|
|
|
if (startmv.as_mv.row & 7) {
|
|
this_mv.as_mv.row -= 2;
|
|
thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7,
|
|
this_mv.as_mv.row & 7, z, b->src_stride, &sse);
|
|
} else {
|
|
this_mv.as_mv.row = (startmv.as_mv.row - 8) | 6;
|
|
thismse = vfp->svf(y - y_stride, y_stride, this_mv.as_mv.col & 7, 6, z,
|
|
b->src_stride, &sse);
|
|
}
|
|
|
|
break;
|
|
case 2:
|
|
this_mv.as_mv.row += 2;
|
|
|
|
if (startmv.as_mv.col & 7) {
|
|
this_mv.as_mv.col -= 2;
|
|
thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7,
|
|
this_mv.as_mv.row & 7, z, b->src_stride, &sse);
|
|
} else {
|
|
this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6;
|
|
thismse = vfp->svf(y - 1, y_stride, 6, this_mv.as_mv.row & 7, z,
|
|
b->src_stride, &sse);
|
|
}
|
|
|
|
break;
|
|
case 3:
|
|
this_mv.as_mv.col += 2;
|
|
this_mv.as_mv.row += 2;
|
|
thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7,
|
|
this_mv.as_mv.row & 7, z, b->src_stride, &sse);
|
|
break;
|
|
}
|
|
|
|
diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (diag < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = diag;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
return bestmse;
|
|
}
|
|
|
|
int vp8_find_best_half_pixel_step(MACROBLOCK *x, BLOCK *b, BLOCKD *d,
|
|
int_mv *bestmv, int_mv *ref_mv,
|
|
int error_per_bit,
|
|
const vp8_variance_fn_ptr_t *vfp,
|
|
int *mvcost[2], int *distortion,
|
|
unsigned int *sse1) {
|
|
int bestmse = INT_MAX;
|
|
int_mv startmv;
|
|
int_mv this_mv;
|
|
unsigned char *z = (*(b->base_src) + b->src);
|
|
int left, right, up, down, diag;
|
|
unsigned int sse;
|
|
int whichdir;
|
|
int thismse;
|
|
int y_stride;
|
|
int pre_stride = x->e_mbd.pre.y_stride;
|
|
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
|
|
|
|
#if ARCH_X86 || ARCH_X86_64
|
|
MACROBLOCKD *xd = &x->e_mbd;
|
|
unsigned char *y_0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride +
|
|
bestmv->as_mv.col;
|
|
unsigned char *y;
|
|
|
|
y_stride = 32;
|
|
/* Copy 18 rows x 32 cols area to intermediate buffer before searching. */
|
|
vfp->copymem(y_0 - 1 - pre_stride, pre_stride, xd->y_buf, y_stride, 18);
|
|
y = xd->y_buf + y_stride + 1;
|
|
#else
|
|
unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride +
|
|
bestmv->as_mv.col;
|
|
y_stride = pre_stride;
|
|
#endif
|
|
|
|
/* central mv */
|
|
bestmv->as_mv.row *= 8;
|
|
bestmv->as_mv.col *= 8;
|
|
startmv = *bestmv;
|
|
|
|
/* calculate central point error */
|
|
bestmse = vfp->vf(y, y_stride, z, b->src_stride, sse1);
|
|
*distortion = bestmse;
|
|
bestmse += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit);
|
|
|
|
/* go left then right and check error */
|
|
this_mv.as_mv.row = startmv.as_mv.row;
|
|
this_mv.as_mv.col = ((startmv.as_mv.col - 8) | 4);
|
|
/* "halfpix" horizontal variance */
|
|
thismse = vfp->svf(y - 1, y_stride, 4, 0, z, b->src_stride, &sse);
|
|
left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (left < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = left;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
this_mv.as_mv.col += 8;
|
|
/* "halfpix" horizontal variance */
|
|
thismse = vfp->svf(y, y_stride, 4, 0, z, b->src_stride, &sse);
|
|
right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (right < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = right;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
/* go up then down and check error */
|
|
this_mv.as_mv.col = startmv.as_mv.col;
|
|
this_mv.as_mv.row = ((startmv.as_mv.row - 8) | 4);
|
|
/* "halfpix" vertical variance */
|
|
thismse = vfp->svf(y - y_stride, y_stride, 0, 4, z, b->src_stride, &sse);
|
|
up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (up < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = up;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
this_mv.as_mv.row += 8;
|
|
/* "halfpix" vertical variance */
|
|
thismse = vfp->svf(y, y_stride, 0, 4, z, b->src_stride, &sse);
|
|
down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (down < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = down;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
/* now check 1 more diagonal - */
|
|
whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2);
|
|
this_mv = startmv;
|
|
|
|
switch (whichdir) {
|
|
case 0:
|
|
this_mv.as_mv.col = (this_mv.as_mv.col - 8) | 4;
|
|
this_mv.as_mv.row = (this_mv.as_mv.row - 8) | 4;
|
|
/* "halfpix" horizontal/vertical variance */
|
|
thismse =
|
|
vfp->svf(y - 1 - y_stride, y_stride, 4, 4, z, b->src_stride, &sse);
|
|
break;
|
|
case 1:
|
|
this_mv.as_mv.col += 4;
|
|
this_mv.as_mv.row = (this_mv.as_mv.row - 8) | 4;
|
|
/* "halfpix" horizontal/vertical variance */
|
|
thismse = vfp->svf(y - y_stride, y_stride, 4, 4, z, b->src_stride, &sse);
|
|
break;
|
|
case 2:
|
|
this_mv.as_mv.col = (this_mv.as_mv.col - 8) | 4;
|
|
this_mv.as_mv.row += 4;
|
|
/* "halfpix" horizontal/vertical variance */
|
|
thismse = vfp->svf(y - 1, y_stride, 4, 4, z, b->src_stride, &sse);
|
|
break;
|
|
case 3:
|
|
default:
|
|
this_mv.as_mv.col += 4;
|
|
this_mv.as_mv.row += 4;
|
|
/* "halfpix" horizontal/vertical variance */
|
|
thismse = vfp->svf(y, y_stride, 4, 4, z, b->src_stride, &sse);
|
|
break;
|
|
}
|
|
|
|
diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit);
|
|
|
|
if (diag < bestmse) {
|
|
*bestmv = this_mv;
|
|
bestmse = diag;
|
|
*distortion = thismse;
|
|
*sse1 = sse;
|
|
}
|
|
|
|
return bestmse;
|
|
}
|
|
|
|
#define CHECK_BOUNDS(range) \
|
|
{ \
|
|
all_in = 1; \
|
|
all_in &= ((br - range) >= x->mv_row_min); \
|
|
all_in &= ((br + range) <= x->mv_row_max); \
|
|
all_in &= ((bc - range) >= x->mv_col_min); \
|
|
all_in &= ((bc + range) <= x->mv_col_max); \
|
|
}
|
|
|
|
#define CHECK_POINT \
|
|
{ \
|
|
if (this_mv.as_mv.col < x->mv_col_min) continue; \
|
|
if (this_mv.as_mv.col > x->mv_col_max) continue; \
|
|
if (this_mv.as_mv.row < x->mv_row_min) continue; \
|
|
if (this_mv.as_mv.row > x->mv_row_max) continue; \
|
|
}
|
|
|
|
#define CHECK_BETTER \
|
|
{ \
|
|
if (thissad < bestsad) { \
|
|
thissad += \
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit); \
|
|
if (thissad < bestsad) { \
|
|
bestsad = thissad; \
|
|
best_site = i; \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
static const MV next_chkpts[6][3] = {
|
|
{ { -2, 0 }, { -1, -2 }, { 1, -2 } }, { { -1, -2 }, { 1, -2 }, { 2, 0 } },
|
|
{ { 1, -2 }, { 2, 0 }, { 1, 2 } }, { { 2, 0 }, { 1, 2 }, { -1, 2 } },
|
|
{ { 1, 2 }, { -1, 2 }, { -2, 0 } }, { { -1, 2 }, { -2, 0 }, { -1, -2 } }
|
|
};
|
|
|
|
int vp8_hex_search(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv,
|
|
int_mv *best_mv, int search_param, int sad_per_bit,
|
|
const vp8_variance_fn_ptr_t *vfp, int *mvsadcost[2],
|
|
int *mvcost[2], int_mv *center_mv) {
|
|
MV hex[6] = {
|
|
{ -1, -2 }, { 1, -2 }, { 2, 0 }, { 1, 2 }, { -1, 2 }, { -2, 0 }
|
|
};
|
|
MV neighbors[4] = { { 0, -1 }, { -1, 0 }, { 1, 0 }, { 0, 1 } };
|
|
int i, j;
|
|
|
|
unsigned char *what = (*(b->base_src) + b->src);
|
|
int what_stride = b->src_stride;
|
|
int pre_stride = x->e_mbd.pre.y_stride;
|
|
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
|
|
|
|
int in_what_stride = pre_stride;
|
|
int br, bc;
|
|
int_mv this_mv;
|
|
unsigned int bestsad;
|
|
unsigned int thissad;
|
|
unsigned char *base_offset;
|
|
unsigned char *this_offset;
|
|
int k = -1;
|
|
int all_in;
|
|
int best_site = -1;
|
|
int hex_range = 127;
|
|
int dia_range = 8;
|
|
|
|
int_mv fcenter_mv;
|
|
fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3;
|
|
fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3;
|
|
|
|
(void)mvcost;
|
|
|
|
/* adjust ref_mv to make sure it is within MV range */
|
|
vp8_clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min,
|
|
x->mv_row_max);
|
|
br = ref_mv->as_mv.row;
|
|
bc = ref_mv->as_mv.col;
|
|
|
|
/* Work out the start point for the search */
|
|
base_offset = (unsigned char *)(base_pre + d->offset);
|
|
this_offset = base_offset + (br * (pre_stride)) + bc;
|
|
this_mv.as_mv.row = br;
|
|
this_mv.as_mv.col = bc;
|
|
bestsad = vfp->sdf(what, what_stride, this_offset, in_what_stride) +
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
#if CONFIG_MULTI_RES_ENCODING
|
|
/* Lower search range based on prediction info */
|
|
if (search_param >= 6)
|
|
goto cal_neighbors;
|
|
else if (search_param >= 5)
|
|
hex_range = 4;
|
|
else if (search_param >= 4)
|
|
hex_range = 6;
|
|
else if (search_param >= 3)
|
|
hex_range = 15;
|
|
else if (search_param >= 2)
|
|
hex_range = 31;
|
|
else if (search_param >= 1)
|
|
hex_range = 63;
|
|
|
|
dia_range = 8;
|
|
#else
|
|
(void)search_param;
|
|
#endif
|
|
|
|
/* hex search */
|
|
CHECK_BOUNDS(2)
|
|
|
|
if (all_in) {
|
|
for (i = 0; i < 6; ++i) {
|
|
this_mv.as_mv.row = br + hex[i].row;
|
|
this_mv.as_mv.col = bc + hex[i].col;
|
|
this_offset = base_offset + (this_mv.as_mv.row * in_what_stride) +
|
|
this_mv.as_mv.col;
|
|
thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < 6; ++i) {
|
|
this_mv.as_mv.row = br + hex[i].row;
|
|
this_mv.as_mv.col = bc + hex[i].col;
|
|
CHECK_POINT
|
|
this_offset = base_offset + (this_mv.as_mv.row * in_what_stride) +
|
|
this_mv.as_mv.col;
|
|
thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
goto cal_neighbors;
|
|
} else {
|
|
br += hex[best_site].row;
|
|
bc += hex[best_site].col;
|
|
k = best_site;
|
|
}
|
|
|
|
for (j = 1; j < hex_range; ++j) {
|
|
best_site = -1;
|
|
CHECK_BOUNDS(2)
|
|
|
|
if (all_in) {
|
|
for (i = 0; i < 3; ++i) {
|
|
this_mv.as_mv.row = br + next_chkpts[k][i].row;
|
|
this_mv.as_mv.col = bc + next_chkpts[k][i].col;
|
|
this_offset = base_offset + (this_mv.as_mv.row * (in_what_stride)) +
|
|
this_mv.as_mv.col;
|
|
thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < 3; ++i) {
|
|
this_mv.as_mv.row = br + next_chkpts[k][i].row;
|
|
this_mv.as_mv.col = bc + next_chkpts[k][i].col;
|
|
CHECK_POINT
|
|
this_offset = base_offset + (this_mv.as_mv.row * (in_what_stride)) +
|
|
this_mv.as_mv.col;
|
|
thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
break;
|
|
} else {
|
|
br += next_chkpts[k][best_site].row;
|
|
bc += next_chkpts[k][best_site].col;
|
|
k += 5 + best_site;
|
|
if (k >= 12) {
|
|
k -= 12;
|
|
} else if (k >= 6) {
|
|
k -= 6;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* check 4 1-away neighbors */
|
|
cal_neighbors:
|
|
for (j = 0; j < dia_range; ++j) {
|
|
best_site = -1;
|
|
CHECK_BOUNDS(1)
|
|
|
|
if (all_in) {
|
|
for (i = 0; i < 4; ++i) {
|
|
this_mv.as_mv.row = br + neighbors[i].row;
|
|
this_mv.as_mv.col = bc + neighbors[i].col;
|
|
this_offset = base_offset + (this_mv.as_mv.row * (in_what_stride)) +
|
|
this_mv.as_mv.col;
|
|
thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride);
|
|
CHECK_BETTER
|
|
}
|
|
} else {
|
|
for (i = 0; i < 4; ++i) {
|
|
this_mv.as_mv.row = br + neighbors[i].row;
|
|
this_mv.as_mv.col = bc + neighbors[i].col;
|
|
CHECK_POINT
|
|
this_offset = base_offset + (this_mv.as_mv.row * (in_what_stride)) +
|
|
this_mv.as_mv.col;
|
|
thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride);
|
|
CHECK_BETTER
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
break;
|
|
} else {
|
|
br += neighbors[best_site].row;
|
|
bc += neighbors[best_site].col;
|
|
}
|
|
}
|
|
|
|
best_mv->as_mv.row = br;
|
|
best_mv->as_mv.col = bc;
|
|
|
|
return bestsad;
|
|
}
|
|
#undef CHECK_BOUNDS
|
|
#undef CHECK_POINT
|
|
#undef CHECK_BETTER
|
|
|
|
int vp8_diamond_search_sad_c(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv,
|
|
int_mv *best_mv, int search_param, int sad_per_bit,
|
|
int *num00, vp8_variance_fn_ptr_t *fn_ptr,
|
|
int *mvcost[2], int_mv *center_mv) {
|
|
int i, j, step;
|
|
|
|
unsigned char *what = (*(b->base_src) + b->src);
|
|
int what_stride = b->src_stride;
|
|
unsigned char *in_what;
|
|
int pre_stride = x->e_mbd.pre.y_stride;
|
|
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
|
|
int in_what_stride = pre_stride;
|
|
unsigned char *best_address;
|
|
|
|
int tot_steps;
|
|
int_mv this_mv;
|
|
|
|
unsigned int bestsad;
|
|
unsigned int thissad;
|
|
int best_site = 0;
|
|
int last_site = 0;
|
|
|
|
int ref_row;
|
|
int ref_col;
|
|
int this_row_offset;
|
|
int this_col_offset;
|
|
search_site *ss;
|
|
|
|
unsigned char *check_here;
|
|
|
|
int *mvsadcost[2];
|
|
int_mv fcenter_mv;
|
|
|
|
mvsadcost[0] = x->mvsadcost[0];
|
|
mvsadcost[1] = x->mvsadcost[1];
|
|
fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3;
|
|
fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3;
|
|
|
|
vp8_clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min,
|
|
x->mv_row_max);
|
|
ref_row = ref_mv->as_mv.row;
|
|
ref_col = ref_mv->as_mv.col;
|
|
*num00 = 0;
|
|
best_mv->as_mv.row = ref_row;
|
|
best_mv->as_mv.col = ref_col;
|
|
|
|
/* Work out the start point for the search */
|
|
in_what = (unsigned char *)(base_pre + d->offset + (ref_row * pre_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(best_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
/* 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.
|
|
*/
|
|
ss = &x->ss[search_param * x->searches_per_step];
|
|
tot_steps = (x->ss_count / x->searches_per_step) - search_param;
|
|
|
|
i = 1;
|
|
|
|
for (step = 0; step < tot_steps; ++step) {
|
|
for (j = 0; j < x->searches_per_step; ++j) {
|
|
/* Trap illegal vectors */
|
|
this_row_offset = best_mv->as_mv.row + ss[i].mv.row;
|
|
this_col_offset = best_mv->as_mv.col + ss[i].mv.col;
|
|
|
|
if ((this_col_offset > x->mv_col_min) &&
|
|
(this_col_offset < x->mv_col_max) &&
|
|
(this_row_offset > x->mv_row_min) &&
|
|
(this_row_offset < x->mv_row_max))
|
|
|
|
{
|
|
check_here = ss[i].offset + best_address;
|
|
thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride);
|
|
|
|
if (thissad < bestsad) {
|
|
this_mv.as_mv.row = this_row_offset;
|
|
this_mv.as_mv.col = this_col_offset;
|
|
thissad +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_site = i;
|
|
}
|
|
}
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
if (best_site != last_site) {
|
|
best_mv->as_mv.row += ss[best_site].mv.row;
|
|
best_mv->as_mv.col += ss[best_site].mv.col;
|
|
best_address += ss[best_site].offset;
|
|
last_site = best_site;
|
|
} else if (best_address == in_what) {
|
|
(*num00)++;
|
|
}
|
|
}
|
|
|
|
this_mv.as_mv.row = best_mv->as_mv.row << 3;
|
|
this_mv.as_mv.col = best_mv->as_mv.col << 3;
|
|
|
|
return fn_ptr->vf(what, what_stride, best_address, in_what_stride, &thissad) +
|
|
mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit);
|
|
}
|
|
|
|
int vp8_diamond_search_sadx4(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv,
|
|
int_mv *best_mv, int search_param, int sad_per_bit,
|
|
int *num00, vp8_variance_fn_ptr_t *fn_ptr,
|
|
int *mvcost[2], int_mv *center_mv) {
|
|
int i, j, step;
|
|
|
|
unsigned char *what = (*(b->base_src) + b->src);
|
|
int what_stride = b->src_stride;
|
|
unsigned char *in_what;
|
|
int pre_stride = x->e_mbd.pre.y_stride;
|
|
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
|
|
int in_what_stride = pre_stride;
|
|
unsigned char *best_address;
|
|
|
|
int tot_steps;
|
|
int_mv this_mv;
|
|
|
|
unsigned int bestsad;
|
|
unsigned int thissad;
|
|
int best_site = 0;
|
|
int last_site = 0;
|
|
|
|
int ref_row;
|
|
int ref_col;
|
|
int this_row_offset;
|
|
int this_col_offset;
|
|
search_site *ss;
|
|
|
|
unsigned char *check_here;
|
|
|
|
int *mvsadcost[2];
|
|
int_mv fcenter_mv;
|
|
|
|
mvsadcost[0] = x->mvsadcost[0];
|
|
mvsadcost[1] = x->mvsadcost[1];
|
|
fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3;
|
|
fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3;
|
|
|
|
vp8_clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min,
|
|
x->mv_row_max);
|
|
ref_row = ref_mv->as_mv.row;
|
|
ref_col = ref_mv->as_mv.col;
|
|
*num00 = 0;
|
|
best_mv->as_mv.row = ref_row;
|
|
best_mv->as_mv.col = ref_col;
|
|
|
|
/* Work out the start point for the search */
|
|
in_what = (unsigned char *)(base_pre + d->offset + (ref_row * pre_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(best_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
/* 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.
|
|
*/
|
|
ss = &x->ss[search_param * x->searches_per_step];
|
|
tot_steps = (x->ss_count / x->searches_per_step) - search_param;
|
|
|
|
i = 1;
|
|
|
|
for (step = 0; step < tot_steps; ++step) {
|
|
int all_in = 1, t;
|
|
|
|
/* To know if all neighbor points are within the bounds, 4 bounds
|
|
* checking are enough instead of checking 4 bounds for each
|
|
* points.
|
|
*/
|
|
all_in &= ((best_mv->as_mv.row + ss[i].mv.row) > x->mv_row_min);
|
|
all_in &= ((best_mv->as_mv.row + ss[i + 1].mv.row) < x->mv_row_max);
|
|
all_in &= ((best_mv->as_mv.col + ss[i + 2].mv.col) > x->mv_col_min);
|
|
all_in &= ((best_mv->as_mv.col + ss[i + 3].mv.col) < x->mv_col_max);
|
|
|
|
if (all_in) {
|
|
unsigned int sad_array[4];
|
|
|
|
for (j = 0; j < x->searches_per_step; j += 4) {
|
|
const unsigned char *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) {
|
|
this_mv.as_mv.row = best_mv->as_mv.row + ss[i].mv.row;
|
|
this_mv.as_mv.col = best_mv->as_mv.col + ss[i].mv.col;
|
|
sad_array[t] +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
if (sad_array[t] < bestsad) {
|
|
bestsad = sad_array[t];
|
|
best_site = i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
for (j = 0; j < x->searches_per_step; ++j) {
|
|
/* Trap illegal vectors */
|
|
this_row_offset = best_mv->as_mv.row + ss[i].mv.row;
|
|
this_col_offset = best_mv->as_mv.col + ss[i].mv.col;
|
|
|
|
if ((this_col_offset > x->mv_col_min) &&
|
|
(this_col_offset < x->mv_col_max) &&
|
|
(this_row_offset > x->mv_row_min) &&
|
|
(this_row_offset < x->mv_row_max)) {
|
|
check_here = ss[i].offset + best_address;
|
|
thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride);
|
|
|
|
if (thissad < bestsad) {
|
|
this_mv.as_mv.row = this_row_offset;
|
|
this_mv.as_mv.col = this_col_offset;
|
|
thissad +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_site = i;
|
|
}
|
|
}
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
|
|
if (best_site != last_site) {
|
|
best_mv->as_mv.row += ss[best_site].mv.row;
|
|
best_mv->as_mv.col += ss[best_site].mv.col;
|
|
best_address += ss[best_site].offset;
|
|
last_site = best_site;
|
|
} else if (best_address == in_what) {
|
|
(*num00)++;
|
|
}
|
|
}
|
|
|
|
this_mv.as_mv.row = best_mv->as_mv.row * 8;
|
|
this_mv.as_mv.col = best_mv->as_mv.col * 8;
|
|
|
|
return fn_ptr->vf(what, what_stride, best_address, in_what_stride, &thissad) +
|
|
mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit);
|
|
}
|
|
|
|
int vp8_full_search_sad_c(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv,
|
|
int sad_per_bit, int distance,
|
|
vp8_variance_fn_ptr_t *fn_ptr, int *mvcost[2],
|
|
int_mv *center_mv) {
|
|
unsigned char *what = (*(b->base_src) + b->src);
|
|
int what_stride = b->src_stride;
|
|
unsigned char *in_what;
|
|
int pre_stride = x->e_mbd.pre.y_stride;
|
|
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
|
|
int in_what_stride = pre_stride;
|
|
int mv_stride = pre_stride;
|
|
unsigned char *bestaddress;
|
|
int_mv *best_mv = &d->bmi.mv;
|
|
int_mv this_mv;
|
|
unsigned int bestsad;
|
|
unsigned int thissad;
|
|
int r, c;
|
|
|
|
unsigned char *check_here;
|
|
|
|
int ref_row = ref_mv->as_mv.row;
|
|
int ref_col = ref_mv->as_mv.col;
|
|
|
|
int row_min = ref_row - distance;
|
|
int row_max = ref_row + distance;
|
|
int col_min = ref_col - distance;
|
|
int col_max = ref_col + distance;
|
|
|
|
int *mvsadcost[2];
|
|
int_mv fcenter_mv;
|
|
|
|
mvsadcost[0] = x->mvsadcost[0];
|
|
mvsadcost[1] = x->mvsadcost[1];
|
|
fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3;
|
|
fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3;
|
|
|
|
/* Work out the mid point for the search */
|
|
in_what = base_pre + d->offset;
|
|
bestaddress = in_what + (ref_row * pre_stride) + ref_col;
|
|
|
|
best_mv->as_mv.row = ref_row;
|
|
best_mv->as_mv.col = ref_col;
|
|
|
|
/* Baseline value at the centre */
|
|
bestsad = fn_ptr->sdf(what, what_stride, bestaddress, in_what_stride) +
|
|
mvsad_err_cost(best_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
/* Apply further limits to prevent us looking using vectors that
|
|
* stretch beyiond the UMV border
|
|
*/
|
|
if (col_min < x->mv_col_min) col_min = x->mv_col_min;
|
|
|
|
if (col_max > x->mv_col_max) col_max = x->mv_col_max;
|
|
|
|
if (row_min < x->mv_row_min) row_min = x->mv_row_min;
|
|
|
|
if (row_max > x->mv_row_max) row_max = x->mv_row_max;
|
|
|
|
for (r = row_min; r < row_max; ++r) {
|
|
this_mv.as_mv.row = r;
|
|
check_here = r * mv_stride + in_what + col_min;
|
|
|
|
for (c = col_min; c < col_max; ++c) {
|
|
thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride);
|
|
|
|
this_mv.as_mv.col = c;
|
|
thissad += mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_mv->as_mv.row = r;
|
|
best_mv->as_mv.col = c;
|
|
bestaddress = check_here;
|
|
}
|
|
|
|
check_here++;
|
|
}
|
|
}
|
|
|
|
this_mv.as_mv.row = best_mv->as_mv.row << 3;
|
|
this_mv.as_mv.col = best_mv->as_mv.col << 3;
|
|
|
|
return fn_ptr->vf(what, what_stride, bestaddress, in_what_stride, &thissad) +
|
|
mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit);
|
|
}
|
|
|
|
int vp8_full_search_sadx3(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv,
|
|
int sad_per_bit, int distance,
|
|
vp8_variance_fn_ptr_t *fn_ptr, int *mvcost[2],
|
|
int_mv *center_mv) {
|
|
unsigned char *what = (*(b->base_src) + b->src);
|
|
int what_stride = b->src_stride;
|
|
unsigned char *in_what;
|
|
int pre_stride = x->e_mbd.pre.y_stride;
|
|
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
|
|
int in_what_stride = pre_stride;
|
|
int mv_stride = pre_stride;
|
|
unsigned char *bestaddress;
|
|
int_mv *best_mv = &d->bmi.mv;
|
|
int_mv this_mv;
|
|
unsigned int bestsad;
|
|
unsigned int thissad;
|
|
int r, c;
|
|
|
|
unsigned char *check_here;
|
|
|
|
int ref_row = ref_mv->as_mv.row;
|
|
int ref_col = ref_mv->as_mv.col;
|
|
|
|
int row_min = ref_row - distance;
|
|
int row_max = ref_row + distance;
|
|
int col_min = ref_col - distance;
|
|
int col_max = ref_col + distance;
|
|
|
|
unsigned int sad_array[3];
|
|
|
|
int *mvsadcost[2];
|
|
int_mv fcenter_mv;
|
|
|
|
mvsadcost[0] = x->mvsadcost[0];
|
|
mvsadcost[1] = x->mvsadcost[1];
|
|
fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3;
|
|
fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3;
|
|
|
|
/* Work out the mid point for the search */
|
|
in_what = base_pre + d->offset;
|
|
bestaddress = in_what + (ref_row * pre_stride) + ref_col;
|
|
|
|
best_mv->as_mv.row = ref_row;
|
|
best_mv->as_mv.col = ref_col;
|
|
|
|
/* Baseline value at the centre */
|
|
bestsad = fn_ptr->sdf(what, what_stride, bestaddress, in_what_stride) +
|
|
mvsad_err_cost(best_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
/* Apply further limits to prevent us looking using vectors that stretch
|
|
* beyond the UMV border
|
|
*/
|
|
if (col_min < x->mv_col_min) col_min = x->mv_col_min;
|
|
|
|
if (col_max > x->mv_col_max) col_max = x->mv_col_max;
|
|
|
|
if (row_min < x->mv_row_min) row_min = x->mv_row_min;
|
|
|
|
if (row_max > x->mv_row_max) row_max = x->mv_row_max;
|
|
|
|
for (r = row_min; r < row_max; ++r) {
|
|
this_mv.as_mv.row = r;
|
|
check_here = r * mv_stride + in_what + col_min;
|
|
c = col_min;
|
|
|
|
while ((c + 2) < col_max) {
|
|
int i;
|
|
|
|
fn_ptr->sdx3f(what, what_stride, check_here, in_what_stride, sad_array);
|
|
|
|
for (i = 0; i < 3; ++i) {
|
|
thissad = sad_array[i];
|
|
|
|
if (thissad < bestsad) {
|
|
this_mv.as_mv.col = c;
|
|
thissad +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_mv->as_mv.row = r;
|
|
best_mv->as_mv.col = c;
|
|
bestaddress = check_here;
|
|
}
|
|
}
|
|
|
|
check_here++;
|
|
c++;
|
|
}
|
|
}
|
|
|
|
while (c < col_max) {
|
|
thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride);
|
|
|
|
if (thissad < bestsad) {
|
|
this_mv.as_mv.col = c;
|
|
thissad +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_mv->as_mv.row = r;
|
|
best_mv->as_mv.col = c;
|
|
bestaddress = check_here;
|
|
}
|
|
}
|
|
|
|
check_here++;
|
|
c++;
|
|
}
|
|
}
|
|
|
|
this_mv.as_mv.row = best_mv->as_mv.row << 3;
|
|
this_mv.as_mv.col = best_mv->as_mv.col << 3;
|
|
|
|
return fn_ptr->vf(what, what_stride, bestaddress, in_what_stride, &thissad) +
|
|
mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit);
|
|
}
|
|
|
|
int vp8_full_search_sadx8(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv,
|
|
int sad_per_bit, int distance,
|
|
vp8_variance_fn_ptr_t *fn_ptr, int *mvcost[2],
|
|
int_mv *center_mv) {
|
|
unsigned char *what = (*(b->base_src) + b->src);
|
|
int what_stride = b->src_stride;
|
|
int pre_stride = x->e_mbd.pre.y_stride;
|
|
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
|
|
unsigned char *in_what;
|
|
int in_what_stride = pre_stride;
|
|
int mv_stride = pre_stride;
|
|
unsigned char *bestaddress;
|
|
int_mv *best_mv = &d->bmi.mv;
|
|
int_mv this_mv;
|
|
unsigned int bestsad;
|
|
unsigned int thissad;
|
|
int r, c;
|
|
|
|
unsigned char *check_here;
|
|
|
|
int ref_row = ref_mv->as_mv.row;
|
|
int ref_col = ref_mv->as_mv.col;
|
|
|
|
int row_min = ref_row - distance;
|
|
int row_max = ref_row + distance;
|
|
int col_min = ref_col - distance;
|
|
int col_max = ref_col + distance;
|
|
|
|
DECLARE_ALIGNED(16, unsigned int, sad_array8[8]);
|
|
unsigned int sad_array[3];
|
|
|
|
int *mvsadcost[2];
|
|
int_mv fcenter_mv;
|
|
|
|
mvsadcost[0] = x->mvsadcost[0];
|
|
mvsadcost[1] = x->mvsadcost[1];
|
|
fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3;
|
|
fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3;
|
|
|
|
/* Work out the mid point for the search */
|
|
in_what = base_pre + d->offset;
|
|
bestaddress = in_what + (ref_row * pre_stride) + ref_col;
|
|
|
|
best_mv->as_mv.row = ref_row;
|
|
best_mv->as_mv.col = ref_col;
|
|
|
|
/* Baseline value at the centre */
|
|
bestsad = fn_ptr->sdf(what, what_stride, bestaddress, in_what_stride) +
|
|
mvsad_err_cost(best_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
/* Apply further limits to prevent us looking using vectors that stretch
|
|
* beyond the UMV border
|
|
*/
|
|
if (col_min < x->mv_col_min) col_min = x->mv_col_min;
|
|
|
|
if (col_max > x->mv_col_max) col_max = x->mv_col_max;
|
|
|
|
if (row_min < x->mv_row_min) row_min = x->mv_row_min;
|
|
|
|
if (row_max > x->mv_row_max) row_max = x->mv_row_max;
|
|
|
|
for (r = row_min; r < row_max; ++r) {
|
|
this_mv.as_mv.row = r;
|
|
check_here = r * mv_stride + in_what + col_min;
|
|
c = col_min;
|
|
|
|
while ((c + 7) < col_max) {
|
|
int i;
|
|
|
|
fn_ptr->sdx8f(what, what_stride, check_here, in_what_stride, sad_array8);
|
|
|
|
for (i = 0; i < 8; ++i) {
|
|
thissad = sad_array8[i];
|
|
|
|
if (thissad < bestsad) {
|
|
this_mv.as_mv.col = c;
|
|
thissad +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_mv->as_mv.row = r;
|
|
best_mv->as_mv.col = c;
|
|
bestaddress = check_here;
|
|
}
|
|
}
|
|
|
|
check_here++;
|
|
c++;
|
|
}
|
|
}
|
|
|
|
while ((c + 2) < col_max) {
|
|
int i;
|
|
|
|
fn_ptr->sdx3f(what, what_stride, check_here, in_what_stride, sad_array);
|
|
|
|
for (i = 0; i < 3; ++i) {
|
|
thissad = sad_array[i];
|
|
|
|
if (thissad < bestsad) {
|
|
this_mv.as_mv.col = c;
|
|
thissad +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_mv->as_mv.row = r;
|
|
best_mv->as_mv.col = c;
|
|
bestaddress = check_here;
|
|
}
|
|
}
|
|
|
|
check_here++;
|
|
c++;
|
|
}
|
|
}
|
|
|
|
while (c < col_max) {
|
|
thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride);
|
|
|
|
if (thissad < bestsad) {
|
|
this_mv.as_mv.col = c;
|
|
thissad +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_mv->as_mv.row = r;
|
|
best_mv->as_mv.col = c;
|
|
bestaddress = check_here;
|
|
}
|
|
}
|
|
|
|
check_here++;
|
|
c++;
|
|
}
|
|
}
|
|
|
|
this_mv.as_mv.row = best_mv->as_mv.row * 8;
|
|
this_mv.as_mv.col = best_mv->as_mv.col * 8;
|
|
|
|
return fn_ptr->vf(what, what_stride, bestaddress, in_what_stride, &thissad) +
|
|
mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit);
|
|
}
|
|
|
|
int vp8_refining_search_sad_c(MACROBLOCK *x, BLOCK *b, BLOCKD *d,
|
|
int_mv *ref_mv, int error_per_bit,
|
|
int search_range, vp8_variance_fn_ptr_t *fn_ptr,
|
|
int *mvcost[2], int_mv *center_mv) {
|
|
MV neighbors[4] = { { -1, 0 }, { 0, -1 }, { 0, 1 }, { 1, 0 } };
|
|
int i, j;
|
|
short this_row_offset, this_col_offset;
|
|
|
|
int what_stride = b->src_stride;
|
|
int pre_stride = x->e_mbd.pre.y_stride;
|
|
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
|
|
int in_what_stride = pre_stride;
|
|
unsigned char *what = (*(b->base_src) + b->src);
|
|
unsigned char *best_address =
|
|
(unsigned char *)(base_pre + d->offset +
|
|
(ref_mv->as_mv.row * pre_stride) + ref_mv->as_mv.col);
|
|
unsigned char *check_here;
|
|
int_mv this_mv;
|
|
unsigned int bestsad;
|
|
unsigned int thissad;
|
|
|
|
int *mvsadcost[2];
|
|
int_mv fcenter_mv;
|
|
|
|
mvsadcost[0] = x->mvsadcost[0];
|
|
mvsadcost[1] = x->mvsadcost[1];
|
|
fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3;
|
|
fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3;
|
|
|
|
bestsad = fn_ptr->sdf(what, what_stride, best_address, in_what_stride) +
|
|
mvsad_err_cost(ref_mv, &fcenter_mv, mvsadcost, error_per_bit);
|
|
|
|
for (i = 0; i < search_range; ++i) {
|
|
int best_site = -1;
|
|
|
|
for (j = 0; j < 4; ++j) {
|
|
this_row_offset = ref_mv->as_mv.row + neighbors[j].row;
|
|
this_col_offset = ref_mv->as_mv.col + neighbors[j].col;
|
|
|
|
if ((this_col_offset > x->mv_col_min) &&
|
|
(this_col_offset < x->mv_col_max) &&
|
|
(this_row_offset > x->mv_row_min) &&
|
|
(this_row_offset < x->mv_row_max)) {
|
|
check_here = (neighbors[j].row) * in_what_stride + neighbors[j].col +
|
|
best_address;
|
|
thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride);
|
|
|
|
if (thissad < bestsad) {
|
|
this_mv.as_mv.row = this_row_offset;
|
|
this_mv.as_mv.col = this_col_offset;
|
|
thissad +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, error_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_site = j;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
break;
|
|
} else {
|
|
ref_mv->as_mv.row += neighbors[best_site].row;
|
|
ref_mv->as_mv.col += neighbors[best_site].col;
|
|
best_address += (neighbors[best_site].row) * in_what_stride +
|
|
neighbors[best_site].col;
|
|
}
|
|
}
|
|
|
|
this_mv.as_mv.row = ref_mv->as_mv.row << 3;
|
|
this_mv.as_mv.col = ref_mv->as_mv.col << 3;
|
|
|
|
return fn_ptr->vf(what, what_stride, best_address, in_what_stride, &thissad) +
|
|
mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit);
|
|
}
|
|
|
|
int vp8_refining_search_sadx4(MACROBLOCK *x, BLOCK *b, BLOCKD *d,
|
|
int_mv *ref_mv, int error_per_bit,
|
|
int search_range, vp8_variance_fn_ptr_t *fn_ptr,
|
|
int *mvcost[2], int_mv *center_mv) {
|
|
MV neighbors[4] = { { -1, 0 }, { 0, -1 }, { 0, 1 }, { 1, 0 } };
|
|
int i, j;
|
|
short this_row_offset, this_col_offset;
|
|
|
|
int what_stride = b->src_stride;
|
|
int pre_stride = x->e_mbd.pre.y_stride;
|
|
unsigned char *base_pre = x->e_mbd.pre.y_buffer;
|
|
int in_what_stride = pre_stride;
|
|
unsigned char *what = (*(b->base_src) + b->src);
|
|
unsigned char *best_address =
|
|
(unsigned char *)(base_pre + d->offset +
|
|
(ref_mv->as_mv.row * pre_stride) + ref_mv->as_mv.col);
|
|
unsigned char *check_here;
|
|
int_mv this_mv;
|
|
unsigned int bestsad;
|
|
unsigned int thissad;
|
|
|
|
int *mvsadcost[2];
|
|
int_mv fcenter_mv;
|
|
|
|
mvsadcost[0] = x->mvsadcost[0];
|
|
mvsadcost[1] = x->mvsadcost[1];
|
|
fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3;
|
|
fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3;
|
|
|
|
bestsad = fn_ptr->sdf(what, what_stride, best_address, in_what_stride) +
|
|
mvsad_err_cost(ref_mv, &fcenter_mv, mvsadcost, error_per_bit);
|
|
|
|
for (i = 0; i < search_range; ++i) {
|
|
int best_site = -1;
|
|
int all_in = 1;
|
|
|
|
all_in &= ((ref_mv->as_mv.row - 1) > x->mv_row_min);
|
|
all_in &= ((ref_mv->as_mv.row + 1) < x->mv_row_max);
|
|
all_in &= ((ref_mv->as_mv.col - 1) > x->mv_col_min);
|
|
all_in &= ((ref_mv->as_mv.col + 1) < x->mv_col_max);
|
|
|
|
if (all_in) {
|
|
unsigned int sad_array[4];
|
|
const unsigned char *block_offset[4];
|
|
block_offset[0] = best_address - in_what_stride;
|
|
block_offset[1] = best_address - 1;
|
|
block_offset[2] = best_address + 1;
|
|
block_offset[3] = best_address + in_what_stride;
|
|
|
|
fn_ptr->sdx4df(what, what_stride, block_offset, in_what_stride,
|
|
sad_array);
|
|
|
|
for (j = 0; j < 4; ++j) {
|
|
if (sad_array[j] < bestsad) {
|
|
this_mv.as_mv.row = ref_mv->as_mv.row + neighbors[j].row;
|
|
this_mv.as_mv.col = ref_mv->as_mv.col + neighbors[j].col;
|
|
sad_array[j] +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, error_per_bit);
|
|
|
|
if (sad_array[j] < bestsad) {
|
|
bestsad = sad_array[j];
|
|
best_site = j;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
for (j = 0; j < 4; ++j) {
|
|
this_row_offset = ref_mv->as_mv.row + neighbors[j].row;
|
|
this_col_offset = ref_mv->as_mv.col + neighbors[j].col;
|
|
|
|
if ((this_col_offset > x->mv_col_min) &&
|
|
(this_col_offset < x->mv_col_max) &&
|
|
(this_row_offset > x->mv_row_min) &&
|
|
(this_row_offset < x->mv_row_max)) {
|
|
check_here = (neighbors[j].row) * in_what_stride + neighbors[j].col +
|
|
best_address;
|
|
thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride);
|
|
|
|
if (thissad < bestsad) {
|
|
this_mv.as_mv.row = this_row_offset;
|
|
this_mv.as_mv.col = this_col_offset;
|
|
thissad +=
|
|
mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, error_per_bit);
|
|
|
|
if (thissad < bestsad) {
|
|
bestsad = thissad;
|
|
best_site = j;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (best_site == -1) {
|
|
break;
|
|
} else {
|
|
ref_mv->as_mv.row += neighbors[best_site].row;
|
|
ref_mv->as_mv.col += neighbors[best_site].col;
|
|
best_address += (neighbors[best_site].row) * in_what_stride +
|
|
neighbors[best_site].col;
|
|
}
|
|
}
|
|
|
|
this_mv.as_mv.row = ref_mv->as_mv.row * 8;
|
|
this_mv.as_mv.col = ref_mv->as_mv.col * 8;
|
|
|
|
return fn_ptr->vf(what, what_stride, best_address, in_what_stride, &thissad) +
|
|
mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit);
|
|
}
|
|
|
|
#ifdef VP8_ENTROPY_STATS
|
|
void print_mode_context(void) {
|
|
FILE *f = fopen("modecont.c", "w");
|
|
int i, j;
|
|
|
|
fprintf(f, "#include \"entropy.h\"\n");
|
|
fprintf(f, "const int vp8_mode_contexts[6][4] =\n");
|
|
fprintf(f, "{\n");
|
|
|
|
for (j = 0; j < 6; ++j) {
|
|
fprintf(f, " { /* %d */\n", j);
|
|
fprintf(f, " ");
|
|
|
|
for (i = 0; i < 4; ++i) {
|
|
int overal_prob;
|
|
int this_prob;
|
|
int count;
|
|
|
|
/* Overall probs */
|
|
count = mv_mode_cts[i][0] + mv_mode_cts[i][1];
|
|
|
|
if (count)
|
|
overal_prob = 256 * mv_mode_cts[i][0] / count;
|
|
else
|
|
overal_prob = 128;
|
|
|
|
if (overal_prob == 0) overal_prob = 1;
|
|
|
|
/* context probs */
|
|
count = mv_ref_ct[j][i][0] + mv_ref_ct[j][i][1];
|
|
|
|
if (count)
|
|
this_prob = 256 * mv_ref_ct[j][i][0] / count;
|
|
else
|
|
this_prob = 128;
|
|
|
|
if (this_prob == 0) this_prob = 1;
|
|
|
|
fprintf(f, "%5d, ", this_prob);
|
|
}
|
|
|
|
fprintf(f, " },\n");
|
|
}
|
|
|
|
fprintf(f, "};\n");
|
|
fclose(f);
|
|
}
|
|
|
|
/* MV ref count VP8_ENTROPY_STATS stats code */
|
|
#ifdef VP8_ENTROPY_STATS
|
|
void init_mv_ref_counts() {
|
|
memset(mv_ref_ct, 0, sizeof(mv_ref_ct));
|
|
memset(mv_mode_cts, 0, sizeof(mv_mode_cts));
|
|
}
|
|
|
|
void accum_mv_refs(MB_PREDICTION_MODE m, const int ct[4]) {
|
|
if (m == ZEROMV) {
|
|
++mv_ref_ct[ct[0]][0][0];
|
|
++mv_mode_cts[0][0];
|
|
} else {
|
|
++mv_ref_ct[ct[0]][0][1];
|
|
++mv_mode_cts[0][1];
|
|
|
|
if (m == NEARESTMV) {
|
|
++mv_ref_ct[ct[1]][1][0];
|
|
++mv_mode_cts[1][0];
|
|
} else {
|
|
++mv_ref_ct[ct[1]][1][1];
|
|
++mv_mode_cts[1][1];
|
|
|
|
if (m == NEARMV) {
|
|
++mv_ref_ct[ct[2]][2][0];
|
|
++mv_mode_cts[2][0];
|
|
} else {
|
|
++mv_ref_ct[ct[2]][2][1];
|
|
++mv_mode_cts[2][1];
|
|
|
|
if (m == NEWMV) {
|
|
++mv_ref_ct[ct[3]][3][0];
|
|
++mv_mode_cts[3][0];
|
|
} else {
|
|
++mv_ref_ct[ct[3]][3][1];
|
|
++mv_mode_cts[3][1];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif /* END MV ref count VP8_ENTROPY_STATS stats code */
|
|
|
|
#endif
|