/* * 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 "mcomp.h" #include "vpx_mem/vpx_mem.h" #include "vpx_ports/config.h" #include #include #include #include "vp8/common/findnearmv.h" #ifdef ENTROPY_STATS static int mv_ref_ct [31] [4] [2]; static int mv_mode_cts [4] [2]; #endif #if CONFIG_HIGH_PRECISION_MV int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight, int ishp) { // 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. return ((mvcost[0][(mv->as_mv.row - ref->as_mv.row) >> (ishp == 0)] + mvcost[1][(mv->as_mv.col - ref->as_mv.col) >> (ishp == 0)]) * Weight) >> 7; } #else 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. return ((mvcost[0][(mv->as_mv.row - ref->as_mv.row) >> 1] + mvcost[1][(mv->as_mv.col - ref->as_mv.col) >> 1]) * Weight) >> 7; } #endif #if CONFIG_HIGH_PRECISION_MV static int mv_err_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int error_per_bit, int ishp) { // Ignore costing if mvcost is NULL if (mvcost) return ((mvcost[0][(mv->as_mv.row - ref->as_mv.row) >> (ishp == 0)] + mvcost[1][(mv->as_mv.col - ref->as_mv.col) >> (ishp == 0)]) * error_per_bit + 128) >> 8; return 0; } #else static int mv_err_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int error_per_bit) { // Ignore costing if mvcost is NULL if (mvcost) return ((mvcost[0][(mv->as_mv.row - ref->as_mv.row) >> 1] + mvcost[1][(mv->as_mv.col - ref->as_mv.col) >> 1]) * error_per_bit + 128) >> 8; return 0; } #endif 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 costing if mvcost 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. */ #define PRE(r,c) (y + (((r)>>2) * y_stride + ((c)>>2) -(offset))) // pointer to predictor base of a motionvector #if CONFIG_SIXTEENTH_SUBPEL_UV #define SP(x) (((x)&3)<<2) // convert motion vector component to offset for svf calc #else #define SP(x) (((x)&3)<<1) // convert motion vector component to offset for svf calc #endif /* CONFIG_SIXTEENTH_SUBPEL_UV */ #define MVC(r,c) (mvcost ? ((mvcost[0][(r)-rr] + mvcost[1][(c)-rc]) * error_per_bit + 128 )>>8 : 0) // estimated cost of a motion vector (r,c) #define DIST(r,c) vfp->svf( PRE(r,c), y_stride, SP(c),SP(r), z,b->src_stride,&sse) // returns subpixel variance error function. #define ERR(r,c) (MVC(r,c)+DIST(r,c)) // returns distortion + motion vector cost #define IFMVCV(r,c,s,e) if ( c >= minc && c <= maxc && r >= minr && r <= maxr) s else e; #if CONFIG_HIGH_PRECISION_MV #define PREHP(r,c) (y + (((r)>>3) * y_stride + ((c)>>3) -(offset))) // pointer to predictor base of a motionvector #if CONFIG_SIXTEENTH_SUBPEL_UV #define SPHP(x) (((x)&7)<<1) // convert motion vector component to offset for svf calc #else /* CONFIG_SIXTEENTH_SUBPEL_UV */ #define SPHP(x) ((x)&7) // convert motion vector component to offset for svf calc #endif /* CONFIG_SIXTEENTH_SUBPEL_UV */ #define DISTHP(r,c) vfp->svf( PREHP(r,c), y_stride, SPHP(c),SPHP(r), z,b->src_stride,&sse) // returns subpixel variance error function. #define ERRHP(r,c) (MVC(r,c)+DISTHP(r,c)) // returns distortion + motion vector cost #define CHECK_BETTER(v,r,c) IFMVCV(r,c,{thismse = ((xd->allow_high_precision_mv)?DISTHP(r,c):DIST(r,c)); if((v = (MVC(r,c)+thismse)) < besterr) { besterr = v; br=r; bc=c; *distortion = thismse; *sse1 = sse; }}, v=INT_MAX;)// checks if (r,c) has better score than previous best #else #define CHECK_BETTER(v,r,c) 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=INT_MAX;)// checks if (r,c) has better score than previous best #endif /* CONFIG_HIGH_PRECISION_MV */ #define MIN(x,y) (((x)<(y))?(x):(y)) #define MAX(x,y) (((x)>(y))?(x):(y)) 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); MACROBLOCKD *xd = &x->e_mbd; int rr, rc, br, bc, hstep; int tr, tc; unsigned int besterr = INT_MAX; unsigned int left, right, up, down, diag; unsigned int sse; unsigned int whichdir; unsigned int halfiters = 4; unsigned int quarteriters = 4; #if CONFIG_HIGH_PRECISION_MV unsigned int eighthiters = 4; #endif int thismse; int maxc, minc, maxr, minr; int y_stride; int offset; #if ARCH_X86 || ARCH_X86_64 unsigned char *y0 = *(d->base_pre) + d->pre + (bestmv->as_mv.row) * d->pre_stride + bestmv->as_mv.col; unsigned char *y; int buf_r1, buf_r2, buf_c1, buf_c2; // Clamping to avoid out-of-range data access buf_r1 = ((bestmv->as_mv.row - INTERP_EXTEND) < x->mv_row_min) ? (bestmv->as_mv.row - x->mv_row_min) : INTERP_EXTEND; buf_r2 = ((bestmv->as_mv.row + INTERP_EXTEND) > x->mv_row_max) ? (x->mv_row_max - bestmv->as_mv.row) : INTERP_EXTEND; buf_c1 = ((bestmv->as_mv.col - INTERP_EXTEND) < x->mv_col_min) ? (bestmv->as_mv.col - x->mv_col_min) : INTERP_EXTEND; buf_c2 = ((bestmv->as_mv.col + INTERP_EXTEND) > x->mv_col_max) ? (x->mv_col_max - bestmv->as_mv.col) : INTERP_EXTEND; y_stride = 32; /* Copy to intermediate buffer before searching. */ vfp->copymem(y0 - buf_c1 - d->pre_stride * buf_r1, d->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 = *(d->base_pre) + d->pre + (bestmv->as_mv.row) * d->pre_stride + bestmv->as_mv.col; y_stride = d->pre_stride; #endif #if CONFIG_HIGH_PRECISION_MV if (xd->allow_high_precision_mv) { rr = ref_mv->as_mv.row; rc = ref_mv->as_mv.col; br = bestmv->as_mv.row << 3; bc = bestmv->as_mv.col << 3; hstep = 4; minc = MAX(x->mv_col_min << 3, (ref_mv->as_mv.col) - ((1 << mvlong_width_hp) - 1)); maxc = MIN(x->mv_col_max << 3, (ref_mv->as_mv.col) + ((1 << mvlong_width_hp) - 1)); minr = MAX(x->mv_row_min << 3, (ref_mv->as_mv.row) - ((1 << mvlong_width_hp) - 1)); maxr = MIN(x->mv_row_max << 3, (ref_mv->as_mv.row) + ((1 << mvlong_width_hp) - 1)); } else #endif { rr = ref_mv->as_mv.row >> 1; rc = ref_mv->as_mv.col >> 1; br = bestmv->as_mv.row << 2; bc = bestmv->as_mv.col << 2; hstep = 2; minc = MAX(x->mv_col_min << 2, (ref_mv->as_mv.col >> 1) - ((1 << mvlong_width) - 1)); maxc = MIN(x->mv_col_max << 2, (ref_mv->as_mv.col >> 1) + ((1 << mvlong_width) - 1)); minr = MAX(x->mv_row_min << 2, (ref_mv->as_mv.row >> 1) - ((1 << mvlong_width) - 1)); maxr = MIN(x->mv_row_max << 2, (ref_mv->as_mv.row >> 1) + ((1 << mvlong_width) - 1)); } tr = br; tc = bc; offset = (bestmv->as_mv.row) * y_stride + bestmv->as_mv.col; // central mv bestmv->as_mv.row <<= 3; bestmv->as_mv.col <<= 3; // calculate central point error besterr = vfp->vf(y, y_stride, z, b->src_stride, sse1); *distortion = besterr; #if CONFIG_HIGH_PRECISION_MV besterr += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else besterr += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit); #endif // 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 - hstep); CHECK_BETTER(right, tr, tc + hstep); CHECK_BETTER(up, tr - hstep, tc); CHECK_BETTER(down, tr + hstep, tc); whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2); switch (whichdir) { case 0: CHECK_BETTER(diag, tr - hstep, tc - hstep); break; case 1: CHECK_BETTER(diag, tr - hstep, tc + hstep); break; case 2: CHECK_BETTER(diag, tr + hstep, tc - hstep); break; case 3: CHECK_BETTER(diag, tr + hstep, tc + hstep); 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 hstep >>= 1; while (--quarteriters) { CHECK_BETTER(left, tr, tc - hstep); CHECK_BETTER(right, tr, tc + hstep); CHECK_BETTER(up, tr - hstep, tc); CHECK_BETTER(down, tr + hstep, tc); whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2); switch (whichdir) { case 0: CHECK_BETTER(diag, tr - hstep, tc - hstep); break; case 1: CHECK_BETTER(diag, tr - hstep, tc + hstep); break; case 2: CHECK_BETTER(diag, tr + hstep, tc - hstep); break; case 3: CHECK_BETTER(diag, tr + hstep, tc + hstep); break; } // no reason to check the same one again. if (tr == br && tc == bc) break; tr = br; tc = bc; } #if CONFIG_HIGH_PRECISION_MV if (x->e_mbd.allow_high_precision_mv) { hstep >>= 1; while (--eighthiters) { CHECK_BETTER(left, tr, tc - hstep); CHECK_BETTER(right, tr, tc + hstep); CHECK_BETTER(up, tr - hstep, tc); CHECK_BETTER(down, tr + hstep, tc); whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2); switch (whichdir) { case 0: CHECK_BETTER(diag, tr - hstep, tc - hstep); break; case 1: CHECK_BETTER(diag, tr - hstep, tc + hstep); break; case 2: CHECK_BETTER(diag, tr + hstep, tc - hstep); break; case 3: CHECK_BETTER(diag, tr + hstep, tc + hstep); break; } // no reason to check the same one again. if (tr == br && tc == bc) break; tr = br; tc = bc; } } #endif #if CONFIG_HIGH_PRECISION_MV if (x->e_mbd.allow_high_precision_mv) { bestmv->as_mv.row = br; bestmv->as_mv.col = bc; } else #endif /* CONFIG_HIGH_PRECISION_MV */ { bestmv->as_mv.row = br << 1; bestmv->as_mv.col = bc << 1; } 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 #undef MIN #undef MAX #if CONFIG_HIGH_PRECISION_MV #undef PREHP #undef DPHP #undef DISTHP #undef ERRHP #endif #if CONFIG_SIXTEENTH_SUBPEL_UV #define SP(x) (((x)&7)<<1) // convert motion vector component to offset for svf calc #else #define SP(x) ((x)&7) // convert motion vector component to offset for svf calc #endif /* CONFIG_SIXTEENTH_SUBPEL_UV */ 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; #if CONFIG_HIGH_PRECISION_MV int_mv orig_mv; int yrow_movedback = 0, ycol_movedback = 0; #endif unsigned char *z = (*(b->base_src) + b->src); int left, right, up, down, diag; unsigned int sse; int whichdir; int thismse; int y_stride; MACROBLOCKD *xd = &x->e_mbd; #if ARCH_X86 || ARCH_X86_64 unsigned char *y0 = *(d->base_pre) + d->pre + (bestmv->as_mv.row) * d->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(y0 - 1 - d->pre_stride, d->pre_stride, xd->y_buf, y_stride, 18); y = xd->y_buf + y_stride + 1; #else unsigned char *y = *(d->base_pre) + d->pre + (bestmv->as_mv.row) * d->pre_stride + bestmv->as_mv.col; y_stride = d->pre_stride; #endif // central mv bestmv->as_mv.row <<= 3; bestmv->as_mv.col <<= 3; startmv = *bestmv; #if CONFIG_HIGH_PRECISION_MV orig_mv = *bestmv; #endif // calculate central point error bestmse = vfp->vf(y, y_stride, z, b->src_stride, sse1); *distortion = bestmse; #if CONFIG_HIGH_PRECISION_MV bestmse += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else bestmse += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit); #endif // 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); thismse = vfp->svf_halfpix_h(y - 1, y_stride, z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif if (left < bestmse) { *bestmv = this_mv; bestmse = left; *distortion = thismse; *sse1 = sse; } this_mv.as_mv.col += 8; thismse = vfp->svf_halfpix_h(y, y_stride, z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif 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); thismse = vfp->svf_halfpix_v(y - y_stride, y_stride, z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif if (up < bestmse) { *bestmv = this_mv; bestmse = up; *distortion = thismse; *sse1 = sse; } this_mv.as_mv.row += 8; thismse = vfp->svf_halfpix_v(y, y_stride, z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif 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); // for(whichdir =0;whichdir<4;whichdir++) // { 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; thismse = vfp->svf_halfpix_hv(y - 1 - y_stride, y_stride, 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; thismse = vfp->svf_halfpix_hv(y - y_stride, y_stride, 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; thismse = vfp->svf_halfpix_hv(y - 1, y_stride, z, b->src_stride, &sse); break; case 3: default: this_mv.as_mv.col += 4; this_mv.as_mv.row += 4; thismse = vfp->svf_halfpix_hv(y, y_stride, z, b->src_stride, &sse); break; } #if CONFIG_HIGH_PRECISION_MV diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif 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 CONFIG_HIGH_PRECISION_MV yrow_movedback = 1; #endif } if (bestmv->as_mv.col < startmv.as_mv.col) { y--; #if CONFIG_HIGH_PRECISION_MV ycol_movedback = 1; #endif } 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, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } else { this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6; thismse = vfp->svf(y - 1, y_stride, SP(6), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } #if CONFIG_HIGH_PRECISION_MV left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif if (left < bestmse) { *bestmv = this_mv; bestmse = left; *distortion = thismse; *sse1 = sse; } this_mv.as_mv.col += 4; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif 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, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), 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, SP(this_mv.as_mv.col), SP(6), z, b->src_stride, &sse); } #if CONFIG_HIGH_PRECISION_MV up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif if (up < bestmse) { *bestmv = this_mv; bestmse = up; *distortion = thismse; *sse1 = sse; } this_mv.as_mv.row += 4; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif 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); // for(whichdir=0;whichdir<4;whichdir++) // { 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, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } else { this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6; thismse = vfp->svf(y - 1, y_stride, SP(6), SP(this_mv.as_mv.row), 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, SP(this_mv.as_mv.col), SP(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, SP(6), SP(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, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), 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, SP(this_mv.as_mv.col), SP(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, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } else { this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6; thismse = vfp->svf(y - 1, y_stride, SP(6), SP(this_mv.as_mv.row), 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, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); break; } #if CONFIG_HIGH_PRECISION_MV diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif if (diag < bestmse) { *bestmv = this_mv; bestmse = diag; *distortion = thismse; *sse1 = sse; } #if CONFIG_HIGH_PRECISION_MV if (!x->e_mbd.allow_high_precision_mv) return bestmse; /* Now do 1/8th pixel */ if (bestmv->as_mv.row < orig_mv.as_mv.row && !yrow_movedback) { y -= y_stride; yrow_movedback = 1; } if (bestmv->as_mv.col < orig_mv.as_mv.col && !ycol_movedback) { y--; ycol_movedback = 1; } 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 - 1; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } else { this_mv.as_mv.col = (startmv.as_mv.col - 8) | 7; thismse = vfp->svf(y - 1, y_stride, SP(7), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); if (left < bestmse) { *bestmv = this_mv; bestmse = left; *distortion = thismse; *sse1 = sse; } this_mv.as_mv.col += 2; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); 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 - 1; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } else { this_mv.as_mv.row = (startmv.as_mv.row - 8) | 7; thismse = vfp->svf(y - y_stride, y_stride, SP(this_mv.as_mv.col), SP(7), z, b->src_stride, &sse); } up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); if (up < bestmse) { *bestmv = this_mv; bestmse = up; *distortion = thismse; *sse1 = sse; } this_mv.as_mv.row += 2; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); 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); // for(whichdir=0;whichdir<4;whichdir++) // { this_mv = startmv; switch (whichdir) { case 0: if (startmv.as_mv.row & 7) { this_mv.as_mv.row -= 1; if (startmv.as_mv.col & 7) { this_mv.as_mv.col -= 1; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } else { this_mv.as_mv.col = (startmv.as_mv.col - 8) | 7; thismse = vfp->svf(y - 1, y_stride, SP(7), SP(this_mv.as_mv.row), z, b->src_stride, &sse);; } } else { this_mv.as_mv.row = (startmv.as_mv.row - 8) | 7; if (startmv.as_mv.col & 7) { this_mv.as_mv.col -= 1; thismse = vfp->svf(y - y_stride, y_stride, SP(this_mv.as_mv.col), SP(7), z, b->src_stride, &sse); } else { this_mv.as_mv.col = (startmv.as_mv.col - 8) | 7; thismse = vfp->svf(y - y_stride - 1, y_stride, SP(7), SP(7), z, b->src_stride, &sse); } } break; case 1: this_mv.as_mv.col += 1; if (startmv.as_mv.row & 7) { this_mv.as_mv.row -= 1; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } else { this_mv.as_mv.row = (startmv.as_mv.row - 8) | 7; thismse = vfp->svf(y - y_stride, y_stride, SP(this_mv.as_mv.col), SP(7), z, b->src_stride, &sse); } break; case 2: this_mv.as_mv.row += 1; if (startmv.as_mv.col & 7) { this_mv.as_mv.col -= 1; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } else { this_mv.as_mv.col = (startmv.as_mv.col - 8) | 7; thismse = vfp->svf(y - 1, y_stride, SP(7), SP(this_mv.as_mv.row), z, b->src_stride, &sse); } break; case 3: this_mv.as_mv.col += 1; this_mv.as_mv.row += 1; thismse = vfp->svf(y, y_stride, SP(this_mv.as_mv.col), SP(this_mv.as_mv.row), z, b->src_stride, &sse); break; } diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); if (diag < bestmse) { *bestmv = this_mv; bestmse = diag; *distortion = thismse; *sse1 = sse; } #endif /* CONFIG_HIGH_PRECISION_MV */ return bestmse; } #undef SP 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; MACROBLOCKD *xd = &x->e_mbd; #if ARCH_X86 || ARCH_X86_64 unsigned char *y0 = *(d->base_pre) + d->pre + (bestmv->as_mv.row) * d->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(y0 - 1 - d->pre_stride, d->pre_stride, xd->y_buf, y_stride, 18); y = xd->y_buf + y_stride + 1; #else unsigned char *y = *(d->base_pre) + d->pre + (bestmv->as_mv.row) * d->pre_stride + bestmv->as_mv.col; y_stride = d->pre_stride; #endif // central mv bestmv->as_mv.row <<= 3; bestmv->as_mv.col <<= 3; startmv = *bestmv; // calculate central point error bestmse = vfp->vf(y, y_stride, z, b->src_stride, sse1); *distortion = bestmse; #if CONFIG_HIGH_PRECISION_MV bestmse += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else bestmse += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit); #endif // 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); thismse = vfp->svf_halfpix_h(y - 1, y_stride, z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif if (left < bestmse) { *bestmv = this_mv; bestmse = left; *distortion = thismse; *sse1 = sse; } this_mv.as_mv.col += 8; thismse = vfp->svf_halfpix_h(y, y_stride, z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif 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); thismse = vfp->svf_halfpix_v(y - y_stride, y_stride, z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif if (up < bestmse) { *bestmv = this_mv; bestmse = up; *distortion = thismse; *sse1 = sse; } this_mv.as_mv.row += 8; thismse = vfp->svf_halfpix_v(y, y_stride, z, b->src_stride, &sse); #if CONFIG_HIGH_PRECISION_MV down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif 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; thismse = vfp->svf_halfpix_hv(y - 1 - y_stride, y_stride, 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; thismse = vfp->svf_halfpix_hv(y - y_stride, y_stride, 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; thismse = vfp->svf_halfpix_hv(y - 1, y_stride, z, b->src_stride, &sse); break; case 3: default: this_mv.as_mv.col += 4; this_mv.as_mv.row += 4; thismse = vfp->svf_halfpix_hv(y, y_stride, z, b->src_stride, &sse); break; } #if CONFIG_HIGH_PRECISION_MV diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit, xd->allow_high_precision_mv); #else diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); #endif 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 in_what_stride = d->pre_stride; int br, bc; int_mv this_mv; unsigned int bestsad = 0x7fffffff; unsigned int thissad; unsigned char *base_offset; unsigned char *this_offset; int k = -1; int all_in; int best_site = -1; 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 *)(*(d->base_pre) + d->pre); this_offset = base_offset + (br * (d->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, 0x7fffffff) + mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit); // hex search // j=0 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, bestsad); 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, bestsad); 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 < 127; 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, bestsad); 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, bestsad); 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 < 32; 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, bestsad); 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, bestsad); 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 ( 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 in_what_stride = d->pre_stride; unsigned char *best_address; int tot_steps; int_mv this_mv; int bestsad = INT_MAX; 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 thissad; MACROBLOCKD *xd = &x->e_mbd; int *mvsadcost[2] = {x->mvsadcost[0], x->mvsadcost[1]}; int_mv fcenter_mv; #if CONFIG_HIGH_PRECISION_MV if (xd->allow_high_precision_mv) { mvsadcost[0] = x->mvsadcost_hp[0]; mvsadcost[1] = x->mvsadcost_hp[1]; } #endif 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 *)(*(d->base_pre) + d->pre + (ref_row * (d->pre_stride)) + ref_col); best_address = in_what; // Check the starting position bestsad = fn_ptr->sdf(what, what_stride, in_what, in_what_stride, 0x7fffffff) + 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, bestsad); 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; if (bestsad == INT_MAX) return INT_MAX; return fn_ptr->vf(what, what_stride, best_address, in_what_stride, (unsigned int *)(&thissad)) #if CONFIG_HIGH_PRECISION_MV + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit, xd->allow_high_precision_mv); #else + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); #endif } 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 in_what_stride = d->pre_stride; unsigned char *best_address; int tot_steps; int_mv this_mv; int bestsad = INT_MAX; 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; unsigned int thissad; MACROBLOCKD *xd = &x->e_mbd; int *mvsadcost[2] = {x->mvsadcost[0], x->mvsadcost[1]}; int_mv fcenter_mv; #if CONFIG_HIGH_PRECISION_MV if (xd->allow_high_precision_mv) { mvsadcost[0] = x->mvsadcost_hp[0]; mvsadcost[1] = x->mvsadcost_hp[1]; } #endif 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 *)(*(d->base_pre) + d->pre + (ref_row * (d->pre_stride)) + ref_col); best_address = in_what; // Check the starting position bestsad = fn_ptr->sdf(what, what_stride, in_what, in_what_stride, 0x7fffffff) + 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) { 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, bestsad); 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; if (bestsad == INT_MAX) return INT_MAX; return fn_ptr->vf(what, what_stride, best_address, in_what_stride, (unsigned int *)(&thissad)) #if CONFIG_HIGH_PRECISION_MV + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit, xd->allow_high_precision_mv); #else + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); #endif } 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 in_what_stride = d->pre_stride; int mv_stride = d->pre_stride; unsigned char *bestaddress; int_mv *best_mv = &d->bmi.as_mv.first; int_mv this_mv; int bestsad = INT_MAX; int r, c; unsigned char *check_here; int thissad; MACROBLOCKD *xd = &x->e_mbd; 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] = {x->mvsadcost[0], x->mvsadcost[1]}; int_mv fcenter_mv; #if CONFIG_HIGH_PRECISION_MV if (xd->allow_high_precision_mv) { mvsadcost[0] = x->mvsadcost_hp[0]; mvsadcost[1] = x->mvsadcost_hp[1]; } #endif 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 = *(d->base_pre) + d->pre; bestaddress = in_what + (ref_row * d->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, 0x7fffffff) + 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, 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 << 3; this_mv.as_mv.col = best_mv->as_mv.col << 3; if (bestsad < INT_MAX) return fn_ptr->vf(what, what_stride, bestaddress, in_what_stride, (unsigned int *)(&thissad)) #if CONFIG_HIGH_PRECISION_MV + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit, xd->allow_high_precision_mv); #else + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); #endif else return INT_MAX; } 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 in_what_stride = d->pre_stride; int mv_stride = d->pre_stride; unsigned char *bestaddress; int_mv *best_mv = &d->bmi.as_mv.first; int_mv this_mv; int bestsad = INT_MAX; int r, c; unsigned char *check_here; unsigned int thissad; MACROBLOCKD *xd = &x->e_mbd; 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] = {x->mvsadcost[0], x->mvsadcost[1]}; int_mv fcenter_mv; #if CONFIG_HIGH_PRECISION_MV if (xd->allow_high_precision_mv) { mvsadcost[0] = x->mvsadcost_hp[0]; mvsadcost[1] = x->mvsadcost_hp[1]; } #endif 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 = *(d->base_pre) + d->pre; bestaddress = in_what + (ref_row * d->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, 0x7fffffff) + 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; 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, bestsad); 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; if (bestsad < INT_MAX) return fn_ptr->vf(what, what_stride, bestaddress, in_what_stride, (unsigned int *)(&thissad)) #if CONFIG_HIGH_PRECISION_MV + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit, xd->allow_high_precision_mv); #else + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); #endif else return INT_MAX; } 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; unsigned char *in_what; int in_what_stride = d->pre_stride; int mv_stride = d->pre_stride; unsigned char *bestaddress; int_mv *best_mv = &d->bmi.as_mv.first; int_mv this_mv; int bestsad = INT_MAX; int r, c; unsigned char *check_here; unsigned int thissad; MACROBLOCKD *xd = &x->e_mbd; 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_ARRAY(16, unsigned short, sad_array8, 8); unsigned int sad_array[3]; int *mvsadcost[2] = {x->mvsadcost[0], x->mvsadcost[1]}; int_mv fcenter_mv; #if CONFIG_HIGH_PRECISION_MV if (xd->allow_high_precision_mv) { mvsadcost[0] = x->mvsadcost_hp[0]; mvsadcost[1] = x->mvsadcost_hp[1]; } #endif 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 = *(d->base_pre) + d->pre; bestaddress = in_what + (ref_row * d->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, 0x7fffffff) + 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; 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 = (unsigned int)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, bestsad); 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; if (bestsad < INT_MAX) return fn_ptr->vf(what, what_stride, bestaddress, in_what_stride, (unsigned int *)(&thissad)) #if CONFIG_HIGH_PRECISION_MV + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit, xd->allow_high_precision_mv); #else + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); #endif else return INT_MAX; } int vp8_refining_search_sad(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 in_what_stride = d->pre_stride; unsigned char *what = (*(b->base_src) + b->src); unsigned char *best_address = (unsigned char *)(*(d->base_pre) + d->pre + (ref_mv->as_mv.row * (d->pre_stride)) + ref_mv->as_mv.col); unsigned char *check_here; unsigned int thissad; int_mv this_mv; unsigned int bestsad = INT_MAX; MACROBLOCKD *xd = &x->e_mbd; int *mvsadcost[2] = {x->mvsadcost[0], x->mvsadcost[1]}; int_mv fcenter_mv; #if CONFIG_HIGH_PRECISION_MV if (xd->allow_high_precision_mv) { mvsadcost[0] = x->mvsadcost_hp[0]; mvsadcost[1] = x->mvsadcost_hp[1]; } #endif 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, 0x7fffffff) + 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, bestsad); 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; if (bestsad < INT_MAX) return fn_ptr->vf(what, what_stride, best_address, in_what_stride, (unsigned int *)(&thissad)) #if CONFIG_HIGH_PRECISION_MV + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit, xd->allow_high_precision_mv); #else + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); #endif else return INT_MAX; } 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 in_what_stride = d->pre_stride; unsigned char *what = (*(b->base_src) + b->src); unsigned char *best_address = (unsigned char *)(*(d->base_pre) + d->pre + (ref_mv->as_mv.row * (d->pre_stride)) + ref_mv->as_mv.col); unsigned char *check_here; unsigned int thissad; int_mv this_mv; unsigned int bestsad = INT_MAX; MACROBLOCKD *xd = &x->e_mbd; int *mvsadcost[2] = {x->mvsadcost[0], x->mvsadcost[1]}; int_mv fcenter_mv; #if CONFIG_HIGH_PRECISION_MV if (xd->allow_high_precision_mv) { mvsadcost[0] = x->mvsadcost_hp[0]; mvsadcost[1] = x->mvsadcost_hp[1]; } #endif 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, 0x7fffffff) + 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]; 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, bestsad); 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; if (bestsad < INT_MAX) return fn_ptr->vf(what, what_stride, best_address, in_what_stride, (unsigned int *)(&thissad)) #if CONFIG_HIGH_PRECISION_MV + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit, xd->allow_high_precision_mv); #else + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); #endif else return INT_MAX; } #ifdef ENTROPY_STATS void print_mode_context(void) { FILE *f = fopen("modecont.c", "a"); int i, j; fprintf(f, "#include \"entropy.h\"\n"); fprintf(f, "const int vp8_mode_contexts[6][4] ="); fprintf(f, "{\n"); for (j = 0; j < 6; j++) { fprintf(f, " {/* %d */ ", j); fprintf(f, " "); for (i = 0; i < 4; i++) { int this_prob; int count; // 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 ENTROPY_STATS stats code */ void init_mv_ref_counts() { vpx_memset(mv_ref_ct, 0, sizeof(mv_ref_ct)); vpx_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 ENTROPY_STATS stats code */