| /* |
| * 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" |
| |
| #ifdef VP8_ENTROPY_STATS |
| static int mv_ref_ct [31] [4] [2]; |
| static int mv_mode_cts [4] [2]; |
| #endif |
| |
| 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; |
| } |
| |
| 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) |
| 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; |
| } |
| |
| 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) 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;) |
| |
| 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 ARCH_X86 || ARCH_X86_64 |
| MACROBLOCKD *xd = &x->e_mbd; |
| unsigned char *y_0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col; |
| unsigned char *y; |
| 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 ARCH_X86 || ARCH_X86_64 |
| MACROBLOCKD *xd = &x->e_mbd; |
| unsigned char *y_0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col; |
| unsigned char *y; |
| |
| y_stride = 32; |
| /* Copy 18 rows x 32 cols area to intermediate buffer before searching. */ |
| vfp->copymem(y_0 - 1 - pre_stride, pre_stride, xd->y_buf, y_stride, 18); |
| y = xd->y_buf + y_stride + 1; |
| #else |
| unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col; |
| y_stride = pre_stride; |
| #endif |
| |
| /* central mv */ |
| bestmv->as_mv.row *= 8; |
| bestmv->as_mv.col *= 8; |
| startmv = *bestmv; |
| |
| /* calculate central point error */ |
| bestmse = vfp->vf(y, y_stride, z, b->src_stride, sse1); |
| *distortion = bestmse; |
| bestmse += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit); |
| |
| /* go left then right and check error */ |
| this_mv.as_mv.row = startmv.as_mv.row; |
| this_mv.as_mv.col = ((startmv.as_mv.col - 8) | 4); |
| thismse = vfp->svf_halfpix_h(y - 1, y_stride, 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; |
| thismse = vfp->svf_halfpix_h(y, y_stride, 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); |
| thismse = vfp->svf_halfpix_v(y - y_stride, y_stride, 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; |
| thismse = vfp->svf_halfpix_v(y, y_stride, 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; |
| 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; |
| } |
| |
| diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); |
| |
| if (diag < bestmse) |
| { |
| *bestmv = this_mv; |
| bestmse = diag; |
| *distortion = thismse; |
| *sse1 = sse; |
| } |
| |
| |
| /* time to check quarter pels. */ |
| if (bestmv->as_mv.row < startmv.as_mv.row) |
| y -= y_stride; |
| |
| if (bestmv->as_mv.col < startmv.as_mv.col) |
| y--; |
| |
| startmv = *bestmv; |
| |
| |
| |
| /* go left then right and check error */ |
| this_mv.as_mv.row = startmv.as_mv.row; |
| |
| if (startmv.as_mv.col & 7) |
| { |
| this_mv.as_mv.col = startmv.as_mv.col - 2; |
| thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| } |
| else |
| { |
| this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6; |
| thismse = vfp->svf(y - 1, y_stride, 6, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| } |
| |
| left = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); |
| |
| if (left < bestmse) |
| { |
| *bestmv = this_mv; |
| bestmse = left; |
| *distortion = thismse; |
| *sse1 = sse; |
| } |
| |
| this_mv.as_mv.col += 4; |
| thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| right = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); |
| |
| if (right < bestmse) |
| { |
| *bestmv = this_mv; |
| bestmse = right; |
| *distortion = thismse; |
| *sse1 = sse; |
| } |
| |
| /* go up then down and check error */ |
| this_mv.as_mv.col = startmv.as_mv.col; |
| |
| if (startmv.as_mv.row & 7) |
| { |
| this_mv.as_mv.row = startmv.as_mv.row - 2; |
| thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| } |
| else |
| { |
| this_mv.as_mv.row = (startmv.as_mv.row - 8) | 6; |
| thismse = vfp->svf(y - y_stride, y_stride, this_mv.as_mv.col & 7, 6, z, b->src_stride, &sse); |
| } |
| |
| up = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); |
| |
| if (up < bestmse) |
| { |
| *bestmv = this_mv; |
| bestmse = up; |
| *distortion = thismse; |
| *sse1 = sse; |
| } |
| |
| this_mv.as_mv.row += 4; |
| thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| down = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); |
| |
| if (down < bestmse) |
| { |
| *bestmv = this_mv; |
| bestmse = down; |
| *distortion = thismse; |
| *sse1 = sse; |
| } |
| |
| |
| /* now check 1 more diagonal */ |
| whichdir = (left < right ? 0 : 1) + (up < down ? 0 : 2); |
| |
| this_mv = startmv; |
| |
| switch (whichdir) |
| { |
| case 0: |
| |
| if (startmv.as_mv.row & 7) |
| { |
| this_mv.as_mv.row -= 2; |
| |
| if (startmv.as_mv.col & 7) |
| { |
| this_mv.as_mv.col -= 2; |
| thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| } |
| else |
| { |
| this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6; |
| thismse = vfp->svf(y - 1, y_stride, 6, this_mv.as_mv.row & 7, z, b->src_stride, &sse);; |
| } |
| } |
| else |
| { |
| this_mv.as_mv.row = (startmv.as_mv.row - 8) | 6; |
| |
| if (startmv.as_mv.col & 7) |
| { |
| this_mv.as_mv.col -= 2; |
| thismse = vfp->svf(y - y_stride, y_stride, this_mv.as_mv.col & 7, 6, z, b->src_stride, &sse); |
| } |
| else |
| { |
| this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6; |
| thismse = vfp->svf(y - y_stride - 1, y_stride, 6, 6, z, b->src_stride, &sse); |
| } |
| } |
| |
| break; |
| case 1: |
| this_mv.as_mv.col += 2; |
| |
| if (startmv.as_mv.row & 7) |
| { |
| this_mv.as_mv.row -= 2; |
| thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| } |
| else |
| { |
| this_mv.as_mv.row = (startmv.as_mv.row - 8) | 6; |
| thismse = vfp->svf(y - y_stride, y_stride, this_mv.as_mv.col & 7, 6, z, b->src_stride, &sse); |
| } |
| |
| break; |
| case 2: |
| this_mv.as_mv.row += 2; |
| |
| if (startmv.as_mv.col & 7) |
| { |
| this_mv.as_mv.col -= 2; |
| thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| } |
| else |
| { |
| this_mv.as_mv.col = (startmv.as_mv.col - 8) | 6; |
| thismse = vfp->svf(y - 1, y_stride, 6, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| } |
| |
| break; |
| case 3: |
| this_mv.as_mv.col += 2; |
| this_mv.as_mv.row += 2; |
| thismse = vfp->svf(y, y_stride, this_mv.as_mv.col & 7, this_mv.as_mv.row & 7, z, b->src_stride, &sse); |
| break; |
| } |
| |
| diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); |
| |
| if (diag < bestmse) |
| { |
| *bestmv = this_mv; |
| bestmse = diag; |
| *distortion = thismse; |
| *sse1 = sse; |
| } |
| |
| return bestmse; |
| } |
| |
| int vp8_find_best_half_pixel_step(MACROBLOCK *x, BLOCK *b, BLOCKD *d, |
| int_mv *bestmv, int_mv *ref_mv, |
| int error_per_bit, |
| const vp8_variance_fn_ptr_t *vfp, |
| int *mvcost[2], int *distortion, |
| unsigned int *sse1) |
| { |
| int bestmse = INT_MAX; |
| int_mv startmv; |
| int_mv this_mv; |
| unsigned char *z = (*(b->base_src) + b->src); |
| int left, right, up, down, diag; |
| unsigned int sse; |
| int whichdir ; |
| int thismse; |
| int y_stride; |
| int pre_stride = x->e_mbd.pre.y_stride; |
| unsigned char *base_pre = x->e_mbd.pre.y_buffer; |
| |
| #if ARCH_X86 || ARCH_X86_64 |
| MACROBLOCKD *xd = &x->e_mbd; |
| unsigned char *y_0 = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col; |
| unsigned char *y; |
| |
| y_stride = 32; |
| /* Copy 18 rows x 32 cols area to intermediate buffer before searching. */ |
| vfp->copymem(y_0 - 1 - pre_stride, pre_stride, xd->y_buf, y_stride, 18); |
| y = xd->y_buf + y_stride + 1; |
| #else |
| unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col; |
| y_stride = pre_stride; |
| #endif |
| |
| /* central mv */ |
| bestmv->as_mv.row *= 8; |
| bestmv->as_mv.col *= 8; |
| startmv = *bestmv; |
| |
| /* calculate central point error */ |
| bestmse = vfp->vf(y, y_stride, z, b->src_stride, sse1); |
| *distortion = bestmse; |
| bestmse += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit); |
| |
| /* go left then right and check error */ |
| this_mv.as_mv.row = startmv.as_mv.row; |
| this_mv.as_mv.col = ((startmv.as_mv.col - 8) | 4); |
| thismse = vfp->svf_halfpix_h(y - 1, y_stride, 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; |
| thismse = vfp->svf_halfpix_h(y, y_stride, 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); |
| thismse = vfp->svf_halfpix_v(y - y_stride, y_stride, 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; |
| thismse = vfp->svf_halfpix_v(y, y_stride, 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; |
| 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; |
| } |
| |
| diag = thismse + mv_err_cost(&this_mv, ref_mv, mvcost, error_per_bit); |
| |
| if (diag < bestmse) |
| { |
| *bestmv = this_mv; |
| bestmse = diag; |
| *distortion = thismse; |
| *sse1 = sse; |
| } |
| |
| return bestmse; |
| } |
| |
| #define CHECK_BOUNDS(range) \ |
| {\ |
| all_in = 1;\ |
| all_in &= ((br-range) >= x->mv_row_min);\ |
| all_in &= ((br+range) <= x->mv_row_max);\ |
| all_in &= ((bc-range) >= x->mv_col_min);\ |
| all_in &= ((bc+range) <= x->mv_col_max);\ |
| } |
| |
| #define CHECK_POINT \ |
| {\ |
| if (this_mv.as_mv.col < x->mv_col_min) continue;\ |
| if (this_mv.as_mv.col > x->mv_col_max) continue;\ |
| if (this_mv.as_mv.row < x->mv_row_min) continue;\ |
| if (this_mv.as_mv.row > x->mv_row_max) continue;\ |
| } |
| |
| #define CHECK_BETTER \ |
| {\ |
| if (thissad < bestsad)\ |
| {\ |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit);\ |
| if (thissad < bestsad)\ |
| {\ |
| bestsad = thissad;\ |
| best_site = i;\ |
| }\ |
| }\ |
| } |
| |
| static const MV next_chkpts[6][3] = |
| { |
| {{ -2, 0}, { -1, -2}, {1, -2}}, |
| {{ -1, -2}, {1, -2}, {2, 0}}, |
| {{1, -2}, {2, 0}, {1, 2}}, |
| {{2, 0}, {1, 2}, { -1, 2}}, |
| {{1, 2}, { -1, 2}, { -2, 0}}, |
| {{ -1, 2}, { -2, 0}, { -1, -2}} |
| }; |
| |
| int vp8_hex_search |
| ( |
| MACROBLOCK *x, |
| BLOCK *b, |
| BLOCKD *d, |
| int_mv *ref_mv, |
| int_mv *best_mv, |
| int search_param, |
| int sad_per_bit, |
| const vp8_variance_fn_ptr_t *vfp, |
| int *mvsadcost[2], |
| int *mvcost[2], |
| int_mv *center_mv |
| ) |
| { |
| MV hex[6] = { { -1, -2}, {1, -2}, {2, 0}, {1, 2}, { -1, 2}, { -2, 0} } ; |
| MV neighbors[4] = {{0, -1}, { -1, 0}, {1, 0}, {0, 1}} ; |
| int i, j; |
| |
| unsigned char *what = (*(b->base_src) + b->src); |
| int what_stride = b->src_stride; |
| int pre_stride = x->e_mbd.pre.y_stride; |
| unsigned char *base_pre = x->e_mbd.pre.y_buffer; |
| |
| int in_what_stride = pre_stride; |
| int br, bc; |
| int_mv this_mv; |
| unsigned int bestsad; |
| unsigned int thissad; |
| unsigned char *base_offset; |
| unsigned char *this_offset; |
| int k = -1; |
| int all_in; |
| int best_site = -1; |
| int hex_range = 127; |
| int dia_range = 8; |
| |
| int_mv fcenter_mv; |
| fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3; |
| fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3; |
| |
| (void)mvcost; |
| |
| /* adjust ref_mv to make sure it is within MV range */ |
| vp8_clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min, x->mv_row_max); |
| br = ref_mv->as_mv.row; |
| bc = ref_mv->as_mv.col; |
| |
| /* Work out the start point for the search */ |
| base_offset = (unsigned char *)(base_pre + d->offset); |
| this_offset = base_offset + (br * (pre_stride)) + bc; |
| this_mv.as_mv.row = br; |
| this_mv.as_mv.col = bc; |
| bestsad = vfp->sdf(what, what_stride, this_offset, in_what_stride) |
| + mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, sad_per_bit); |
| |
| #if CONFIG_MULTI_RES_ENCODING |
| /* Lower search range based on prediction info */ |
| if (search_param >= 6) goto cal_neighbors; |
| else if (search_param >= 5) hex_range = 4; |
| else if (search_param >= 4) hex_range = 6; |
| else if (search_param >= 3) hex_range = 15; |
| else if (search_param >= 2) hex_range = 31; |
| else if (search_param >= 1) hex_range = 63; |
| |
| dia_range = 8; |
| #else |
| (void)search_param; |
| #endif |
| |
| /* hex search */ |
| CHECK_BOUNDS(2) |
| |
| if(all_in) |
| { |
| for (i = 0; i < 6; i++) |
| { |
| this_mv.as_mv.row = br + hex[i].row; |
| this_mv.as_mv.col = bc + hex[i].col; |
| this_offset = base_offset + (this_mv.as_mv.row * in_what_stride) + this_mv.as_mv.col; |
| thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride); |
| CHECK_BETTER |
| } |
| }else |
| { |
| for (i = 0; i < 6; i++) |
| { |
| this_mv.as_mv.row = br + hex[i].row; |
| this_mv.as_mv.col = bc + hex[i].col; |
| CHECK_POINT |
| this_offset = base_offset + (this_mv.as_mv.row * in_what_stride) + this_mv.as_mv.col; |
| thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride); |
| CHECK_BETTER |
| } |
| } |
| |
| if (best_site == -1) |
| goto cal_neighbors; |
| else |
| { |
| br += hex[best_site].row; |
| bc += hex[best_site].col; |
| k = best_site; |
| } |
| |
| for (j = 1; j < hex_range; j++) |
| { |
| best_site = -1; |
| CHECK_BOUNDS(2) |
| |
| if(all_in) |
| { |
| for (i = 0; i < 3; i++) |
| { |
| this_mv.as_mv.row = br + next_chkpts[k][i].row; |
| this_mv.as_mv.col = bc + next_chkpts[k][i].col; |
| this_offset = base_offset + (this_mv.as_mv.row * (in_what_stride)) + this_mv.as_mv.col; |
| thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride); |
| CHECK_BETTER |
| } |
| }else |
| { |
| for (i = 0; i < 3; i++) |
| { |
| this_mv.as_mv.row = br + next_chkpts[k][i].row; |
| this_mv.as_mv.col = bc + next_chkpts[k][i].col; |
| CHECK_POINT |
| this_offset = base_offset + (this_mv.as_mv.row * (in_what_stride)) + this_mv.as_mv.col; |
| thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride); |
| CHECK_BETTER |
| } |
| } |
| |
| if (best_site == -1) |
| break; |
| else |
| { |
| br += next_chkpts[k][best_site].row; |
| bc += next_chkpts[k][best_site].col; |
| k += 5 + best_site; |
| if (k >= 12) k -= 12; |
| else if (k >= 6) k -= 6; |
| } |
| } |
| |
| /* check 4 1-away neighbors */ |
| cal_neighbors: |
| for (j = 0; j < dia_range; j++) |
| { |
| best_site = -1; |
| CHECK_BOUNDS(1) |
| |
| if(all_in) |
| { |
| for (i = 0; i < 4; i++) |
| { |
| this_mv.as_mv.row = br + neighbors[i].row; |
| this_mv.as_mv.col = bc + neighbors[i].col; |
| this_offset = base_offset + (this_mv.as_mv.row * (in_what_stride)) + this_mv.as_mv.col; |
| thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride); |
| CHECK_BETTER |
| } |
| }else |
| { |
| for (i = 0; i < 4; i++) |
| { |
| this_mv.as_mv.row = br + neighbors[i].row; |
| this_mv.as_mv.col = bc + neighbors[i].col; |
| CHECK_POINT |
| this_offset = base_offset + (this_mv.as_mv.row * (in_what_stride)) + this_mv.as_mv.col; |
| thissad = vfp->sdf(what, what_stride, this_offset, in_what_stride); |
| CHECK_BETTER |
| } |
| } |
| |
| if (best_site == -1) |
| break; |
| else |
| { |
| br += neighbors[best_site].row; |
| bc += neighbors[best_site].col; |
| } |
| } |
| |
| best_mv->as_mv.row = br; |
| best_mv->as_mv.col = bc; |
| |
| return bestsad; |
| } |
| #undef CHECK_BOUNDS |
| #undef CHECK_POINT |
| #undef CHECK_BETTER |
| |
| int vp8_diamond_search_sad_c |
| ( |
| MACROBLOCK *x, |
| BLOCK *b, |
| BLOCKD *d, |
| int_mv *ref_mv, |
| int_mv *best_mv, |
| int search_param, |
| int sad_per_bit, |
| int *num00, |
| vp8_variance_fn_ptr_t *fn_ptr, |
| int *mvcost[2], |
| int_mv *center_mv |
| ) |
| { |
| int i, j, step; |
| |
| unsigned char *what = (*(b->base_src) + b->src); |
| int what_stride = b->src_stride; |
| unsigned char *in_what; |
| int pre_stride = x->e_mbd.pre.y_stride; |
| unsigned char *base_pre = x->e_mbd.pre.y_buffer; |
| int in_what_stride = pre_stride; |
| unsigned char *best_address; |
| |
| int tot_steps; |
| int_mv this_mv; |
| |
| unsigned int bestsad; |
| unsigned int thissad; |
| int best_site = 0; |
| int last_site = 0; |
| |
| int ref_row; |
| int ref_col; |
| int this_row_offset; |
| int this_col_offset; |
| search_site *ss; |
| |
| unsigned char *check_here; |
| |
| int *mvsadcost[2]; |
| int_mv fcenter_mv; |
| |
| mvsadcost[0] = x->mvsadcost[0]; |
| mvsadcost[1] = x->mvsadcost[1]; |
| fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3; |
| fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3; |
| |
| vp8_clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min, x->mv_row_max); |
| ref_row = ref_mv->as_mv.row; |
| ref_col = ref_mv->as_mv.col; |
| *num00 = 0; |
| best_mv->as_mv.row = ref_row; |
| best_mv->as_mv.col = ref_col; |
| |
| /* Work out the start point for the search */ |
| in_what = (unsigned char *)(base_pre + d->offset + (ref_row * pre_stride) + ref_col); |
| best_address = in_what; |
| |
| /* Check the starting position */ |
| bestsad = fn_ptr->sdf(what, what_stride, in_what, in_what_stride) |
| + mvsad_err_cost(best_mv, &fcenter_mv, mvsadcost, sad_per_bit); |
| |
| /* search_param determines the length of the initial step and hence |
| * the number of iterations 0 = initial step (MAX_FIRST_STEP) pel : |
| * 1 = (MAX_FIRST_STEP/2) pel, 2 = (MAX_FIRST_STEP/4) pel... etc. |
| */ |
| ss = &x->ss[search_param * x->searches_per_step]; |
| tot_steps = (x->ss_count / x->searches_per_step) - search_param; |
| |
| i = 1; |
| |
| for (step = 0; step < tot_steps ; step++) |
| { |
| for (j = 0 ; j < x->searches_per_step ; j++) |
| { |
| /* Trap illegal vectors */ |
| this_row_offset = best_mv->as_mv.row + ss[i].mv.row; |
| this_col_offset = best_mv->as_mv.col + ss[i].mv.col; |
| |
| if ((this_col_offset > x->mv_col_min) && (this_col_offset < x->mv_col_max) && |
| (this_row_offset > x->mv_row_min) && (this_row_offset < x->mv_row_max)) |
| |
| { |
| check_here = ss[i].offset + best_address; |
| thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride); |
| |
| if (thissad < bestsad) |
| { |
| this_mv.as_mv.row = this_row_offset; |
| this_mv.as_mv.col = this_col_offset; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, |
| mvsadcost, sad_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_site = i; |
| } |
| } |
| } |
| |
| i++; |
| } |
| |
| if (best_site != last_site) |
| { |
| best_mv->as_mv.row += ss[best_site].mv.row; |
| best_mv->as_mv.col += ss[best_site].mv.col; |
| best_address += ss[best_site].offset; |
| last_site = best_site; |
| } |
| else if (best_address == in_what) |
| (*num00)++; |
| } |
| |
| this_mv.as_mv.row = best_mv->as_mv.row << 3; |
| this_mv.as_mv.col = best_mv->as_mv.col << 3; |
| |
| return fn_ptr->vf(what, what_stride, best_address, in_what_stride, &thissad) |
| + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); |
| } |
| |
| int vp8_diamond_search_sadx4 |
| ( |
| MACROBLOCK *x, |
| BLOCK *b, |
| BLOCKD *d, |
| int_mv *ref_mv, |
| int_mv *best_mv, |
| int search_param, |
| int sad_per_bit, |
| int *num00, |
| vp8_variance_fn_ptr_t *fn_ptr, |
| int *mvcost[2], |
| int_mv *center_mv |
| ) |
| { |
| int i, j, step; |
| |
| unsigned char *what = (*(b->base_src) + b->src); |
| int what_stride = b->src_stride; |
| unsigned char *in_what; |
| int pre_stride = x->e_mbd.pre.y_stride; |
| unsigned char *base_pre = x->e_mbd.pre.y_buffer; |
| int in_what_stride = pre_stride; |
| unsigned char *best_address; |
| |
| int tot_steps; |
| int_mv this_mv; |
| |
| unsigned int bestsad; |
| unsigned int thissad; |
| int best_site = 0; |
| int last_site = 0; |
| |
| int ref_row; |
| int ref_col; |
| int this_row_offset; |
| int this_col_offset; |
| search_site *ss; |
| |
| unsigned char *check_here; |
| |
| int *mvsadcost[2]; |
| int_mv fcenter_mv; |
| |
| mvsadcost[0] = x->mvsadcost[0]; |
| mvsadcost[1] = x->mvsadcost[1]; |
| fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3; |
| fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3; |
| |
| vp8_clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min, x->mv_row_max); |
| ref_row = ref_mv->as_mv.row; |
| ref_col = ref_mv->as_mv.col; |
| *num00 = 0; |
| best_mv->as_mv.row = ref_row; |
| best_mv->as_mv.col = ref_col; |
| |
| /* Work out the start point for the search */ |
| in_what = (unsigned char *)(base_pre + d->offset + (ref_row * pre_stride) + ref_col); |
| best_address = in_what; |
| |
| /* Check the starting position */ |
| bestsad = fn_ptr->sdf(what, what_stride, in_what, in_what_stride) |
| + mvsad_err_cost(best_mv, &fcenter_mv, mvsadcost, sad_per_bit); |
| |
| /* search_param determines the length of the initial step and hence the |
| * number of iterations 0 = initial step (MAX_FIRST_STEP) pel : 1 = |
| * (MAX_FIRST_STEP/2) pel, 2 = (MAX_FIRST_STEP/4) pel... etc. |
| */ |
| ss = &x->ss[search_param * x->searches_per_step]; |
| tot_steps = (x->ss_count / x->searches_per_step) - search_param; |
| |
| i = 1; |
| |
| for (step = 0; step < tot_steps ; step++) |
| { |
| int all_in = 1, t; |
| |
| /* To know if all neighbor points are within the bounds, 4 bounds |
| * checking are enough instead of checking 4 bounds for each |
| * points. |
| */ |
| all_in &= ((best_mv->as_mv.row + ss[i].mv.row)> x->mv_row_min); |
| all_in &= ((best_mv->as_mv.row + ss[i+1].mv.row) < x->mv_row_max); |
| all_in &= ((best_mv->as_mv.col + ss[i+2].mv.col) > x->mv_col_min); |
| all_in &= ((best_mv->as_mv.col + ss[i+3].mv.col) < x->mv_col_max); |
| |
| if (all_in) |
| { |
| unsigned int sad_array[4]; |
| |
| for (j = 0 ; j < x->searches_per_step ; j += 4) |
| { |
| const unsigned char *block_offset[4]; |
| |
| for (t = 0; t < 4; t++) |
| block_offset[t] = ss[i+t].offset + best_address; |
| |
| fn_ptr->sdx4df(what, what_stride, block_offset, in_what_stride, sad_array); |
| |
| for (t = 0; t < 4; t++, i++) |
| { |
| if (sad_array[t] < bestsad) |
| { |
| this_mv.as_mv.row = best_mv->as_mv.row + ss[i].mv.row; |
| this_mv.as_mv.col = best_mv->as_mv.col + ss[i].mv.col; |
| sad_array[t] += mvsad_err_cost(&this_mv, &fcenter_mv, |
| mvsadcost, sad_per_bit); |
| |
| if (sad_array[t] < bestsad) |
| { |
| bestsad = sad_array[t]; |
| best_site = i; |
| } |
| } |
| } |
| } |
| } |
| else |
| { |
| for (j = 0 ; j < x->searches_per_step ; j++) |
| { |
| /* Trap illegal vectors */ |
| this_row_offset = best_mv->as_mv.row + ss[i].mv.row; |
| this_col_offset = best_mv->as_mv.col + ss[i].mv.col; |
| |
| if ((this_col_offset > x->mv_col_min) && (this_col_offset < x->mv_col_max) && |
| (this_row_offset > x->mv_row_min) && (this_row_offset < x->mv_row_max)) |
| { |
| check_here = ss[i].offset + best_address; |
| thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride); |
| |
| if (thissad < bestsad) |
| { |
| this_mv.as_mv.row = this_row_offset; |
| this_mv.as_mv.col = this_col_offset; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, |
| mvsadcost, sad_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_site = i; |
| } |
| } |
| } |
| i++; |
| } |
| } |
| |
| if (best_site != last_site) |
| { |
| best_mv->as_mv.row += ss[best_site].mv.row; |
| best_mv->as_mv.col += ss[best_site].mv.col; |
| best_address += ss[best_site].offset; |
| last_site = best_site; |
| } |
| else if (best_address == in_what) |
| (*num00)++; |
| } |
| |
| this_mv.as_mv.row = best_mv->as_mv.row * 8; |
| this_mv.as_mv.col = best_mv->as_mv.col * 8; |
| |
| return fn_ptr->vf(what, what_stride, best_address, in_what_stride, &thissad) |
| + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); |
| } |
| |
| int vp8_full_search_sad_c(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv, |
| int sad_per_bit, int distance, |
| vp8_variance_fn_ptr_t *fn_ptr, int *mvcost[2], |
| int_mv *center_mv) |
| { |
| unsigned char *what = (*(b->base_src) + b->src); |
| int what_stride = b->src_stride; |
| unsigned char *in_what; |
| int pre_stride = x->e_mbd.pre.y_stride; |
| unsigned char *base_pre = x->e_mbd.pre.y_buffer; |
| int in_what_stride = pre_stride; |
| int mv_stride = pre_stride; |
| unsigned char *bestaddress; |
| int_mv *best_mv = &d->bmi.mv; |
| int_mv this_mv; |
| unsigned int bestsad; |
| unsigned int thissad; |
| int r, c; |
| |
| unsigned char *check_here; |
| |
| int ref_row = ref_mv->as_mv.row; |
| int ref_col = ref_mv->as_mv.col; |
| |
| int row_min = ref_row - distance; |
| int row_max = ref_row + distance; |
| int col_min = ref_col - distance; |
| int col_max = ref_col + distance; |
| |
| int *mvsadcost[2]; |
| int_mv fcenter_mv; |
| |
| mvsadcost[0] = x->mvsadcost[0]; |
| mvsadcost[1] = x->mvsadcost[1]; |
| fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3; |
| fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3; |
| |
| /* Work out the mid point for the search */ |
| in_what = base_pre + d->offset; |
| bestaddress = in_what + (ref_row * pre_stride) + ref_col; |
| |
| best_mv->as_mv.row = ref_row; |
| best_mv->as_mv.col = ref_col; |
| |
| /* Baseline value at the centre */ |
| bestsad = fn_ptr->sdf(what, what_stride, bestaddress, in_what_stride) |
| + mvsad_err_cost(best_mv, &fcenter_mv, mvsadcost, sad_per_bit); |
| |
| /* Apply further limits to prevent us looking using vectors that |
| * stretch beyiond the UMV border |
| */ |
| if (col_min < x->mv_col_min) |
| col_min = x->mv_col_min; |
| |
| if (col_max > x->mv_col_max) |
| col_max = x->mv_col_max; |
| |
| if (row_min < x->mv_row_min) |
| row_min = x->mv_row_min; |
| |
| if (row_max > x->mv_row_max) |
| row_max = x->mv_row_max; |
| |
| for (r = row_min; r < row_max ; r++) |
| { |
| this_mv.as_mv.row = r; |
| check_here = r * mv_stride + in_what + col_min; |
| |
| for (c = col_min; c < col_max; c++) |
| { |
| thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride); |
| |
| this_mv.as_mv.col = c; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, |
| mvsadcost, sad_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_mv->as_mv.row = r; |
| best_mv->as_mv.col = c; |
| bestaddress = check_here; |
| } |
| |
| check_here++; |
| } |
| } |
| |
| this_mv.as_mv.row = best_mv->as_mv.row << 3; |
| this_mv.as_mv.col = best_mv->as_mv.col << 3; |
| |
| return fn_ptr->vf(what, what_stride, bestaddress, in_what_stride, &thissad) |
| + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); |
| } |
| |
| int vp8_full_search_sadx3(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv, |
| int sad_per_bit, int distance, |
| vp8_variance_fn_ptr_t *fn_ptr, int *mvcost[2], |
| int_mv *center_mv) |
| { |
| unsigned char *what = (*(b->base_src) + b->src); |
| int what_stride = b->src_stride; |
| unsigned char *in_what; |
| int pre_stride = x->e_mbd.pre.y_stride; |
| unsigned char *base_pre = x->e_mbd.pre.y_buffer; |
| int in_what_stride = pre_stride; |
| int mv_stride = pre_stride; |
| unsigned char *bestaddress; |
| int_mv *best_mv = &d->bmi.mv; |
| int_mv this_mv; |
| unsigned int bestsad; |
| unsigned int thissad; |
| int r, c; |
| |
| unsigned char *check_here; |
| |
| int ref_row = ref_mv->as_mv.row; |
| int ref_col = ref_mv->as_mv.col; |
| |
| int row_min = ref_row - distance; |
| int row_max = ref_row + distance; |
| int col_min = ref_col - distance; |
| int col_max = ref_col + distance; |
| |
| unsigned int sad_array[3]; |
| |
| int *mvsadcost[2]; |
| int_mv fcenter_mv; |
| |
| mvsadcost[0] = x->mvsadcost[0]; |
| mvsadcost[1] = x->mvsadcost[1]; |
| fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3; |
| fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3; |
| |
| /* Work out the mid point for the search */ |
| in_what = base_pre + d->offset; |
| bestaddress = in_what + (ref_row * pre_stride) + ref_col; |
| |
| best_mv->as_mv.row = ref_row; |
| best_mv->as_mv.col = ref_col; |
| |
| /* Baseline value at the centre */ |
| bestsad = fn_ptr->sdf(what, what_stride, bestaddress, in_what_stride) |
| + mvsad_err_cost(best_mv, &fcenter_mv, mvsadcost, sad_per_bit); |
| |
| /* Apply further limits to prevent us looking using vectors that stretch |
| * beyond the UMV border |
| */ |
| if (col_min < x->mv_col_min) |
| col_min = x->mv_col_min; |
| |
| if (col_max > x->mv_col_max) |
| col_max = x->mv_col_max; |
| |
| if (row_min < x->mv_row_min) |
| row_min = x->mv_row_min; |
| |
| if (row_max > x->mv_row_max) |
| row_max = x->mv_row_max; |
| |
| for (r = row_min; r < row_max ; r++) |
| { |
| this_mv.as_mv.row = r; |
| check_here = r * mv_stride + in_what + col_min; |
| c = col_min; |
| |
| while ((c + 2) < col_max) |
| { |
| int i; |
| |
| fn_ptr->sdx3f(what, what_stride, check_here, in_what_stride, sad_array); |
| |
| for (i = 0; i < 3; i++) |
| { |
| thissad = sad_array[i]; |
| |
| if (thissad < bestsad) |
| { |
| this_mv.as_mv.col = c; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, |
| mvsadcost, sad_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_mv->as_mv.row = r; |
| best_mv->as_mv.col = c; |
| bestaddress = check_here; |
| } |
| } |
| |
| check_here++; |
| c++; |
| } |
| } |
| |
| while (c < col_max) |
| { |
| thissad = fn_ptr->sdf(what, what_stride, check_here, in_what_stride); |
| |
| if (thissad < bestsad) |
| { |
| this_mv.as_mv.col = c; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, |
| mvsadcost, sad_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_mv->as_mv.row = r; |
| best_mv->as_mv.col = c; |
| bestaddress = check_here; |
| } |
| } |
| |
| check_here ++; |
| c ++; |
| } |
| |
| } |
| |
| this_mv.as_mv.row = best_mv->as_mv.row << 3; |
| this_mv.as_mv.col = best_mv->as_mv.col << 3; |
| |
| return fn_ptr->vf(what, what_stride, bestaddress, in_what_stride, &thissad) |
| + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); |
| } |
| |
| int vp8_full_search_sadx8(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv, |
| int sad_per_bit, int distance, |
| vp8_variance_fn_ptr_t *fn_ptr, int *mvcost[2], |
| int_mv *center_mv) |
| { |
| unsigned char *what = (*(b->base_src) + b->src); |
| int what_stride = b->src_stride; |
| int pre_stride = x->e_mbd.pre.y_stride; |
| unsigned char *base_pre = x->e_mbd.pre.y_buffer; |
| unsigned char *in_what; |
| int in_what_stride = pre_stride; |
| int mv_stride = pre_stride; |
| unsigned char *bestaddress; |
| int_mv *best_mv = &d->bmi.mv; |
| int_mv this_mv; |
| unsigned int bestsad; |
| unsigned int thissad; |
| int r, c; |
| |
| unsigned char *check_here; |
| |
| int ref_row = ref_mv->as_mv.row; |
| int ref_col = ref_mv->as_mv.col; |
| |
| int row_min = ref_row - distance; |
| int row_max = ref_row + distance; |
| int col_min = ref_col - distance; |
| int col_max = ref_col + distance; |
| |
| DECLARE_ALIGNED(16, unsigned int, sad_array8[8]); |
| unsigned int sad_array[3]; |
| |
| int *mvsadcost[2]; |
| int_mv fcenter_mv; |
| |
| mvsadcost[0] = x->mvsadcost[0]; |
| mvsadcost[1] = x->mvsadcost[1]; |
| fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3; |
| fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3; |
| |
| /* Work out the mid point for the search */ |
| in_what = base_pre + d->offset; |
| bestaddress = in_what + (ref_row * pre_stride) + ref_col; |
| |
| best_mv->as_mv.row = ref_row; |
| best_mv->as_mv.col = ref_col; |
| |
| /* Baseline value at the centre */ |
| bestsad = fn_ptr->sdf(what, what_stride, bestaddress, in_what_stride) |
| + mvsad_err_cost(best_mv, &fcenter_mv, mvsadcost, sad_per_bit); |
| |
| /* Apply further limits to prevent us looking using vectors that stretch |
| * beyond the UMV border |
| */ |
| if (col_min < x->mv_col_min) |
| col_min = x->mv_col_min; |
| |
| if (col_max > x->mv_col_max) |
| col_max = x->mv_col_max; |
| |
| if (row_min < x->mv_row_min) |
| row_min = x->mv_row_min; |
| |
| if (row_max > x->mv_row_max) |
| row_max = x->mv_row_max; |
| |
| for (r = row_min; r < row_max ; r++) |
| { |
| this_mv.as_mv.row = r; |
| check_here = r * mv_stride + in_what + col_min; |
| c = col_min; |
| |
| while ((c + 7) < col_max) |
| { |
| int i; |
| |
| fn_ptr->sdx8f(what, what_stride, check_here, in_what_stride, sad_array8); |
| |
| for (i = 0; i < 8; i++) |
| { |
| thissad = sad_array8[i]; |
| |
| if (thissad < bestsad) |
| { |
| this_mv.as_mv.col = c; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, |
| mvsadcost, sad_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_mv->as_mv.row = r; |
| best_mv->as_mv.col = c; |
| bestaddress = check_here; |
| } |
| } |
| |
| check_here++; |
| c++; |
| } |
| } |
| |
| while ((c + 2) < col_max) |
| { |
| int i; |
| |
| fn_ptr->sdx3f(what, what_stride, check_here , in_what_stride, sad_array); |
| |
| for (i = 0; i < 3; i++) |
| { |
| thissad = sad_array[i]; |
| |
| if (thissad < bestsad) |
| { |
| this_mv.as_mv.col = c; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, |
| mvsadcost, sad_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_mv->as_mv.row = r; |
| best_mv->as_mv.col = c; |
| bestaddress = check_here; |
| } |
| } |
| |
| check_here++; |
| c++; |
| } |
| } |
| |
| while (c < col_max) |
| { |
| thissad = fn_ptr->sdf(what, what_stride, check_here , in_what_stride); |
| |
| if (thissad < bestsad) |
| { |
| this_mv.as_mv.col = c; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, |
| mvsadcost, sad_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_mv->as_mv.row = r; |
| best_mv->as_mv.col = c; |
| bestaddress = check_here; |
| } |
| } |
| |
| check_here ++; |
| c ++; |
| } |
| } |
| |
| this_mv.as_mv.row = best_mv->as_mv.row * 8; |
| this_mv.as_mv.col = best_mv->as_mv.col * 8; |
| |
| return fn_ptr->vf(what, what_stride, bestaddress, in_what_stride, &thissad) |
| + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); |
| } |
| |
| int vp8_refining_search_sad_c(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *ref_mv, |
| int error_per_bit, int search_range, |
| vp8_variance_fn_ptr_t *fn_ptr, int *mvcost[2], |
| int_mv *center_mv) |
| { |
| MV neighbors[4] = {{-1, 0}, {0, -1}, {0, 1}, {1, 0}}; |
| int i, j; |
| short this_row_offset, this_col_offset; |
| |
| int what_stride = b->src_stride; |
| int pre_stride = x->e_mbd.pre.y_stride; |
| unsigned char *base_pre = x->e_mbd.pre.y_buffer; |
| int in_what_stride = pre_stride; |
| unsigned char *what = (*(b->base_src) + b->src); |
| unsigned char *best_address = (unsigned char *)(base_pre + d->offset + |
| (ref_mv->as_mv.row * pre_stride) + ref_mv->as_mv.col); |
| unsigned char *check_here; |
| int_mv this_mv; |
| unsigned int bestsad; |
| unsigned int thissad; |
| |
| int *mvsadcost[2]; |
| int_mv fcenter_mv; |
| |
| mvsadcost[0] = x->mvsadcost[0]; |
| mvsadcost[1] = x->mvsadcost[1]; |
| fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3; |
| fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3; |
| |
| bestsad = fn_ptr->sdf(what, what_stride, best_address, in_what_stride) |
| + mvsad_err_cost(ref_mv, &fcenter_mv, mvsadcost, error_per_bit); |
| |
| for (i=0; i<search_range; i++) |
| { |
| int best_site = -1; |
| |
| for (j = 0 ; j < 4 ; j++) |
| { |
| this_row_offset = ref_mv->as_mv.row + neighbors[j].row; |
| this_col_offset = ref_mv->as_mv.col + neighbors[j].col; |
| |
| if ((this_col_offset > x->mv_col_min) && (this_col_offset < x->mv_col_max) && |
| (this_row_offset > x->mv_row_min) && (this_row_offset < x->mv_row_max)) |
| { |
| check_here = (neighbors[j].row)*in_what_stride + neighbors[j].col + best_address; |
| thissad = fn_ptr->sdf(what, what_stride, check_here , in_what_stride); |
| |
| if (thissad < bestsad) |
| { |
| this_mv.as_mv.row = this_row_offset; |
| this_mv.as_mv.col = this_col_offset; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, error_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_site = j; |
| } |
| } |
| } |
| } |
| |
| if (best_site == -1) |
| break; |
| else |
| { |
| ref_mv->as_mv.row += neighbors[best_site].row; |
| ref_mv->as_mv.col += neighbors[best_site].col; |
| best_address += (neighbors[best_site].row)*in_what_stride + neighbors[best_site].col; |
| } |
| } |
| |
| this_mv.as_mv.row = ref_mv->as_mv.row << 3; |
| this_mv.as_mv.col = ref_mv->as_mv.col << 3; |
| |
| return fn_ptr->vf(what, what_stride, best_address, in_what_stride, &thissad) |
| + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); |
| } |
| |
| int vp8_refining_search_sadx4(MACROBLOCK *x, BLOCK *b, BLOCKD *d, |
| int_mv *ref_mv, int error_per_bit, |
| int search_range, vp8_variance_fn_ptr_t *fn_ptr, |
| int *mvcost[2], int_mv *center_mv) |
| { |
| MV neighbors[4] = {{-1, 0}, {0, -1}, {0, 1}, {1, 0}}; |
| int i, j; |
| short this_row_offset, this_col_offset; |
| |
| int what_stride = b->src_stride; |
| int pre_stride = x->e_mbd.pre.y_stride; |
| unsigned char *base_pre = x->e_mbd.pre.y_buffer; |
| int in_what_stride = pre_stride; |
| unsigned char *what = (*(b->base_src) + b->src); |
| unsigned char *best_address = (unsigned char *)(base_pre + d->offset + |
| (ref_mv->as_mv.row * pre_stride) + ref_mv->as_mv.col); |
| unsigned char *check_here; |
| int_mv this_mv; |
| unsigned int bestsad; |
| unsigned int thissad; |
| |
| int *mvsadcost[2]; |
| int_mv fcenter_mv; |
| |
| mvsadcost[0] = x->mvsadcost[0]; |
| mvsadcost[1] = x->mvsadcost[1]; |
| fcenter_mv.as_mv.row = center_mv->as_mv.row >> 3; |
| fcenter_mv.as_mv.col = center_mv->as_mv.col >> 3; |
| |
| bestsad = fn_ptr->sdf(what, what_stride, best_address, in_what_stride) |
| + mvsad_err_cost(ref_mv, &fcenter_mv, mvsadcost, error_per_bit); |
| |
| for (i=0; i<search_range; i++) |
| { |
| int best_site = -1; |
| int all_in = 1; |
| |
| all_in &= ((ref_mv->as_mv.row - 1) > x->mv_row_min); |
| all_in &= ((ref_mv->as_mv.row + 1) < x->mv_row_max); |
| all_in &= ((ref_mv->as_mv.col - 1) > x->mv_col_min); |
| all_in &= ((ref_mv->as_mv.col + 1) < x->mv_col_max); |
| |
| if(all_in) |
| { |
| unsigned int sad_array[4]; |
| const unsigned char *block_offset[4]; |
| block_offset[0] = best_address - in_what_stride; |
| block_offset[1] = best_address - 1; |
| block_offset[2] = best_address + 1; |
| block_offset[3] = best_address + in_what_stride; |
| |
| fn_ptr->sdx4df(what, what_stride, block_offset, in_what_stride, sad_array); |
| |
| for (j = 0; j < 4; j++) |
| { |
| if (sad_array[j] < bestsad) |
| { |
| this_mv.as_mv.row = ref_mv->as_mv.row + neighbors[j].row; |
| this_mv.as_mv.col = ref_mv->as_mv.col + neighbors[j].col; |
| sad_array[j] += mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, error_per_bit); |
| |
| if (sad_array[j] < bestsad) |
| { |
| bestsad = sad_array[j]; |
| best_site = j; |
| } |
| } |
| } |
| } |
| else |
| { |
| for (j = 0 ; j < 4 ; j++) |
| { |
| this_row_offset = ref_mv->as_mv.row + neighbors[j].row; |
| this_col_offset = ref_mv->as_mv.col + neighbors[j].col; |
| |
| if ((this_col_offset > x->mv_col_min) && (this_col_offset < x->mv_col_max) && |
| (this_row_offset > x->mv_row_min) && (this_row_offset < x->mv_row_max)) |
| { |
| check_here = (neighbors[j].row)*in_what_stride + neighbors[j].col + best_address; |
| thissad = fn_ptr->sdf(what, what_stride, check_here , in_what_stride); |
| |
| if (thissad < bestsad) |
| { |
| this_mv.as_mv.row = this_row_offset; |
| this_mv.as_mv.col = this_col_offset; |
| thissad += mvsad_err_cost(&this_mv, &fcenter_mv, mvsadcost, error_per_bit); |
| |
| if (thissad < bestsad) |
| { |
| bestsad = thissad; |
| best_site = j; |
| } |
| } |
| } |
| } |
| } |
| |
| if (best_site == -1) |
| break; |
| else |
| { |
| ref_mv->as_mv.row += neighbors[best_site].row; |
| ref_mv->as_mv.col += neighbors[best_site].col; |
| best_address += (neighbors[best_site].row)*in_what_stride + neighbors[best_site].col; |
| } |
| } |
| |
| this_mv.as_mv.row = ref_mv->as_mv.row * 8; |
| this_mv.as_mv.col = ref_mv->as_mv.col * 8; |
| |
| return fn_ptr->vf(what, what_stride, best_address, in_what_stride, &thissad) |
| + mv_err_cost(&this_mv, center_mv, mvcost, x->errorperbit); |
| } |
| |
| #ifdef VP8_ENTROPY_STATS |
| void print_mode_context(void) |
| { |
| FILE *f = fopen("modecont.c", "w"); |
| int i, j; |
| |
| fprintf(f, "#include \"entropy.h\"\n"); |
| fprintf(f, "const int vp8_mode_contexts[6][4] =\n"); |
| fprintf(f, "{\n"); |
| |
| for (j = 0; j < 6; j++) |
| { |
| fprintf(f, " { /* %d */\n", j); |
| fprintf(f, " "); |
| |
| for (i = 0; i < 4; i++) |
| { |
| int overal_prob; |
| int this_prob; |
| int count; |
| |
| /* Overall probs */ |
| count = mv_mode_cts[i][0] + mv_mode_cts[i][1]; |
| |
| if (count) |
| overal_prob = 256 * mv_mode_cts[i][0] / count; |
| else |
| overal_prob = 128; |
| |
| if (overal_prob == 0) |
| overal_prob = 1; |
| |
| /* context probs */ |
| count = mv_ref_ct[j][i][0] + mv_ref_ct[j][i][1]; |
| |
| if (count) |
| this_prob = 256 * mv_ref_ct[j][i][0] / count; |
| else |
| this_prob = 128; |
| |
| if (this_prob == 0) |
| this_prob = 1; |
| |
| fprintf(f, "%5d, ", this_prob); |
| } |
| |
| fprintf(f, " },\n"); |
| } |
| |
| fprintf(f, "};\n"); |
| fclose(f); |
| } |
| |
| /* MV ref count VP8_ENTROPY_STATS stats code */ |
| #ifdef VP8_ENTROPY_STATS |
| void init_mv_ref_counts() |
| { |
| memset(mv_ref_ct, 0, sizeof(mv_ref_ct)); |
| memset(mv_mode_cts, 0, sizeof(mv_mode_cts)); |
| } |
| |
| void accum_mv_refs(MB_PREDICTION_MODE m, const int ct[4]) |
| { |
| if (m == ZEROMV) |
| { |
| ++mv_ref_ct [ct[0]] [0] [0]; |
| ++mv_mode_cts[0][0]; |
| } |
| else |
| { |
| ++mv_ref_ct [ct[0]] [0] [1]; |
| ++mv_mode_cts[0][1]; |
| |
| if (m == NEARESTMV) |
| { |
| ++mv_ref_ct [ct[1]] [1] [0]; |
| ++mv_mode_cts[1][0]; |
| } |
| else |
| { |
| ++mv_ref_ct [ct[1]] [1] [1]; |
| ++mv_mode_cts[1][1]; |
| |
| if (m == NEARMV) |
| { |
| ++mv_ref_ct [ct[2]] [2] [0]; |
| ++mv_mode_cts[2][0]; |
| } |
| else |
| { |
| ++mv_ref_ct [ct[2]] [2] [1]; |
| ++mv_mode_cts[2][1]; |
| |
| if (m == NEWMV) |
| { |
| ++mv_ref_ct [ct[3]] [3] [0]; |
| ++mv_mode_cts[3][0]; |
| } |
| else |
| { |
| ++mv_ref_ct [ct[3]] [3] [1]; |
| ++mv_mode_cts[3][1]; |
| } |
| } |
| } |
| } |
| } |
| |
| #endif/* END MV ref count VP8_ENTROPY_STATS stats code */ |
| |
| #endif |
