diff options
Diffstat (limited to 'media/libvpx/libvpx/vp8/encoder/mcomp.c')
| -rw-r--r-- | media/libvpx/libvpx/vp8/encoder/mcomp.c | 1561 |
1 files changed, 1561 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/encoder/mcomp.c b/media/libvpx/libvpx/vp8/encoder/mcomp.c new file mode 100644 index 0000000000..bc150e482b --- /dev/null +++ b/media/libvpx/libvpx/vp8/encoder/mcomp.c @@ -0,0 +1,1561 @@ +/* + * Copyright (c) 2010 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "./vp8_rtcd.h" +#include "./vpx_dsp_rtcd.h" +#include "onyx_int.h" +#include "mcomp.h" +#include "vpx_mem/vpx_mem.h" +#include "vpx_config.h" +#include <stdio.h> +#include <limits.h> +#include <math.h> +#include "vp8/common/findnearmv.h" +#include "vp8/common/common.h" +#include "vpx_dsp/vpx_dsp_common.h" + +int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight) { + /* MV costing is based on the distribution of vectors in the previous + * frame and as such will tend to over state the cost of vectors. In + * addition coding a new vector can have a knock on effect on the cost + * of subsequent vectors and the quality of prediction from NEAR and + * NEAREST for subsequent blocks. The "Weight" parameter allows, to a + * limited extent, for some account to be taken of these factors. + */ + const int mv_idx_row = + clamp((mv->as_mv.row - ref->as_mv.row) >> 1, 0, MVvals); + const int mv_idx_col = + clamp((mv->as_mv.col - ref->as_mv.col) >> 1, 0, MVvals); + return ((mvcost[0][mv_idx_row] + mvcost[1][mv_idx_col]) * Weight) >> 7; +} + +static int mv_err_cost(int_mv *mv, int_mv *ref, int *mvcost[2], + int error_per_bit) { + /* Ignore mv costing if mvcost is NULL */ + if (mvcost) { + const int mv_idx_row = + clamp((mv->as_mv.row - ref->as_mv.row) >> 1, 0, MVvals); + const int mv_idx_col = + clamp((mv->as_mv.col - ref->as_mv.col) >> 1, 0, MVvals); + return ((mvcost[0][mv_idx_row] + mvcost[1][mv_idx_col]) * error_per_bit + + 128) >> + 8; + } + return 0; +} + +static int mvsad_err_cost(int_mv *mv, int_mv *ref, int *mvsadcost[2], + int error_per_bit) { + /* Calculate sad error cost on full pixel basis. */ + /* Ignore mv costing if mvsadcost is NULL */ + if (mvsadcost) { + return ((mvsadcost[0][(mv->as_mv.row - ref->as_mv.row)] + + mvsadcost[1][(mv->as_mv.col - ref->as_mv.col)]) * + error_per_bit + + 128) >> + 8; + } + return 0; +} + +void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride) { + int Len; + int search_site_count = 0; + + /* Generate offsets for 4 search sites per step. */ + Len = MAX_FIRST_STEP; + x->ss[search_site_count].mv.col = 0; + x->ss[search_site_count].mv.row = 0; + x->ss[search_site_count].offset = 0; + search_site_count++; + + while (Len > 0) { + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = 0; + x->ss[search_site_count].mv.row = -Len; + x->ss[search_site_count].offset = -Len * stride; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = 0; + x->ss[search_site_count].mv.row = Len; + x->ss[search_site_count].offset = Len * stride; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = -Len; + x->ss[search_site_count].mv.row = 0; + x->ss[search_site_count].offset = -Len; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = Len; + x->ss[search_site_count].mv.row = 0; + x->ss[search_site_count].offset = Len; + search_site_count++; + + /* Contract. */ + Len /= 2; + } + + x->ss_count = search_site_count; + x->searches_per_step = 4; +} + +void vp8_init3smotion_compensation(MACROBLOCK *x, int stride) { + int Len; + int search_site_count = 0; + + /* Generate offsets for 8 search sites per step. */ + Len = MAX_FIRST_STEP; + x->ss[search_site_count].mv.col = 0; + x->ss[search_site_count].mv.row = 0; + x->ss[search_site_count].offset = 0; + search_site_count++; + + while (Len > 0) { + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = 0; + x->ss[search_site_count].mv.row = -Len; + x->ss[search_site_count].offset = -Len * stride; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = 0; + x->ss[search_site_count].mv.row = Len; + x->ss[search_site_count].offset = Len * stride; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = -Len; + x->ss[search_site_count].mv.row = 0; + x->ss[search_site_count].offset = -Len; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = Len; + x->ss[search_site_count].mv.row = 0; + x->ss[search_site_count].offset = Len; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = -Len; + x->ss[search_site_count].mv.row = -Len; + x->ss[search_site_count].offset = -Len * stride - Len; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = Len; + x->ss[search_site_count].mv.row = -Len; + x->ss[search_site_count].offset = -Len * stride + Len; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = -Len; + x->ss[search_site_count].mv.row = Len; + x->ss[search_site_count].offset = Len * stride - Len; + search_site_count++; + + /* Compute offsets for search sites. */ + x->ss[search_site_count].mv.col = Len; + x->ss[search_site_count].mv.row = Len; + x->ss[search_site_count].offset = Len * stride + Len; + search_site_count++; + + /* Contract. */ + Len /= 2; + } + + x->ss_count = search_site_count; + x->searches_per_step = 8; +} + +/* + * To avoid the penalty for crossing cache-line read, preload the reference + * area in a small buffer, which is aligned to make sure there won't be crossing + * cache-line read while reading from this buffer. This reduced the cpu + * cycles spent on reading ref data in sub-pixel filter functions. + * TODO: Currently, since sub-pixel search range here is -3 ~ 3, copy 22 rows x + * 32 cols area that is enough for 16x16 macroblock. Later, for SPLITMV, we + * could reduce the area. + */ + +/* estimated cost of a motion vector (r,c) */ +#define MVC(r, c) \ + (mvcost \ + ? ((mvcost[0][(r)-rr] + mvcost[1][(c)-rc]) * error_per_bit + 128) >> 8 \ + : 0) +/* pointer to predictor base of a motionvector */ +#define PRE(r, c) (y + (((r) >> 2) * y_stride + ((c) >> 2) - (offset))) +/* convert motion vector component to offset for svf calc */ +#define SP(x) (((x)&3) << 1) +/* returns subpixel variance error function. */ +#define DIST(r, c) \ + vfp->svf(PRE(r, c), y_stride, SP(c), SP(r), z, b->src_stride, &sse) +#define IFMVCV(r, c, s, e) \ + if (c >= minc && c <= maxc && r >= minr && r <= maxr) s else e; +/* returns distortion + motion vector cost */ +#define ERR(r, c) (MVC(r, c) + DIST(r, c)) +/* checks if (r,c) has better score than previous best */ +#define CHECK_BETTER(v, r, c) \ + do { \ + IFMVCV( \ + r, c, \ + { \ + thismse = DIST(r, c); \ + if ((v = (MVC(r, c) + thismse)) < besterr) { \ + besterr = v; \ + br = r; \ + bc = c; \ + *distortion = thismse; \ + *sse1 = sse; \ + } \ + }, \ + v = UINT_MAX;) \ + } while (0) + +int vp8_find_best_sub_pixel_step_iteratively(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) { + unsigned char *z = (*(b->base_src) + b->src); + + int rr = ref_mv->as_mv.row >> 1, rc = ref_mv->as_mv.col >> 1; + int br = bestmv->as_mv.row * 4, bc = bestmv->as_mv.col * 4; + int tr = br, tc = bc; + unsigned int besterr; + unsigned int left, right, up, down, diag; + unsigned int sse; + unsigned int whichdir; + unsigned int halfiters = 4; + unsigned int quarteriters = 4; + int thismse; + + int minc = VPXMAX(x->mv_col_min * 4, + (ref_mv->as_mv.col >> 1) - ((1 << mvlong_width) - 1)); + int maxc = VPXMIN(x->mv_col_max * 4, + (ref_mv->as_mv.col >> 1) + ((1 << mvlong_width) - 1)); + int minr = VPXMAX(x->mv_row_min * 4, + (ref_mv->as_mv.row >> 1) - ((1 << mvlong_width) - 1)); + int maxr = VPXMIN(x->mv_row_max * 4, + (ref_mv->as_mv.row >> 1) + ((1 << mvlong_width) - 1)); + + int y_stride; + int offset; + int pre_stride = x->e_mbd.pre.y_stride; + unsigned char *base_pre = x->e_mbd.pre.y_buffer; + +#if VPX_ARCH_X86 || VPX_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; + int buf_r1, buf_r2, buf_c1; + + /* Clamping to avoid out-of-range data access */ + buf_r1 = ((bestmv->as_mv.row - 3) < x->mv_row_min) + ? (bestmv->as_mv.row - x->mv_row_min) + : 3; + buf_r2 = ((bestmv->as_mv.row + 3) > x->mv_row_max) + ? (x->mv_row_max - bestmv->as_mv.row) + : 3; + buf_c1 = ((bestmv->as_mv.col - 3) < x->mv_col_min) + ? (bestmv->as_mv.col - x->mv_col_min) + : 3; + y_stride = 32; + + /* Copy to intermediate buffer before searching. */ + vfp->copymem(y_0 - buf_c1 - pre_stride * buf_r1, pre_stride, xd->y_buf, + y_stride, 16 + buf_r1 + buf_r2); + y = xd->y_buf + y_stride * buf_r1 + buf_c1; +#else + unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + + bestmv->as_mv.col; + y_stride = pre_stride; +#endif + + offset = (bestmv->as_mv.row) * y_stride + bestmv->as_mv.col; + + /* central mv */ + bestmv->as_mv.row *= 8; + bestmv->as_mv.col *= 8; + + /* calculate central point error */ + besterr = vfp->vf(y, y_stride, z, b->src_stride, sse1); + *distortion = besterr; + besterr += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit); + + /* TODO: Each subsequent iteration checks at least one point in common + * with the last iteration could be 2 ( if diag selected) + */ + while (--halfiters) { + /* 1/2 pel */ + CHECK_BETTER(left, tr, tc - 2); + CHECK_BETTER(right, tr, tc + 2); + CHECK_BETTER(up, tr - 2, tc); + CHECK_BETTER(down, tr + 2, tc); + + whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2); + + switch (whichdir) { + case 0: CHECK_BETTER(diag, tr - 2, tc - 2); break; + case 1: CHECK_BETTER(diag, tr - 2, tc + 2); break; + case 2: CHECK_BETTER(diag, tr + 2, tc - 2); break; + case 3: CHECK_BETTER(diag, tr + 2, tc + 2); break; + } + + /* no reason to check the same one again. */ + if (tr == br && tc == bc) break; + + tr = br; + tc = bc; + } + + /* TODO: Each subsequent iteration checks at least one point in common + * with the last iteration could be 2 ( if diag selected) + */ + + /* 1/4 pel */ + while (--quarteriters) { + CHECK_BETTER(left, tr, tc - 1); + CHECK_BETTER(right, tr, tc + 1); + CHECK_BETTER(up, tr - 1, tc); + CHECK_BETTER(down, tr + 1, tc); + + whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2); + + switch (whichdir) { + case 0: CHECK_BETTER(diag, tr - 1, tc - 1); break; + case 1: CHECK_BETTER(diag, tr - 1, tc + 1); break; + case 2: CHECK_BETTER(diag, tr + 1, tc - 1); break; + case 3: CHECK_BETTER(diag, tr + 1, tc + 1); break; + } + + /* no reason to check the same one again. */ + if (tr == br && tc == bc) break; + + tr = br; + tc = bc; + } + + bestmv->as_mv.row = br * 2; + bestmv->as_mv.col = bc * 2; + + if ((abs(bestmv->as_mv.col - ref_mv->as_mv.col) > (MAX_FULL_PEL_VAL << 3)) || + (abs(bestmv->as_mv.row - ref_mv->as_mv.row) > (MAX_FULL_PEL_VAL << 3))) { + return INT_MAX; + } + + return besterr; +} +#undef MVC +#undef PRE +#undef SP +#undef DIST +#undef IFMVCV +#undef ERR +#undef CHECK_BETTER + +int vp8_find_best_sub_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 VPX_ARCH_X86 || VPX_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; + } + + /* 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 VPX_ARCH_X86 || VPX_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) \ + do { \ + 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); \ + } while (0) + +#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 \ + do { \ + if (thissad < bestsad) { \ + thissad += \ + mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit); \ + if (thissad < bestsad) { \ + bestsad = thissad; \ + best_site = i; \ + } \ + } \ + } while (0) + +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_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; + + /* 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 * 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); +} + +#if HAVE_SSE2 || HAVE_MSA || HAVE_LSX +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); +} +#endif // HAVE_SSE2 || HAVE_MSA || HAVE_LSX + +int vp8_full_search_sad(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 + * 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; + + for (c = col_min; c < col_max; ++c) { + 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++; + } + } + + 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 * 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); +} + +#if HAVE_SSE2 || HAVE_MSA +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); +} +#endif // HAVE_SSE2 || HAVE_MSA |