Merge "Improves subpixel reference mv evaluation" into experimental
This commit is contained in:
Paul Wilkins
Gerrit Code Review
Коммит
50f1eae5be
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@ -168,6 +168,7 @@ vp8_prob *vp8_mv_ref_probs(VP8_COMMON *pc,
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}
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#if CONFIG_NEWBESTREFMV
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#define SP(x) (((x) & 7) << 1)
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unsigned int vp8_sad3x16_c(
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const unsigned char *src_ptr,
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int src_stride,
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@ -189,7 +190,6 @@ unsigned int vp8_sad16x3_c(
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* above and a number cols of pixels in the left to select the one with best
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* score to use as ref motion vector
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*/
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void vp8_find_best_ref_mvs(MACROBLOCKD *xd,
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unsigned char *ref_y_buffer,
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int ref_y_stride,
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@ -203,6 +203,7 @@ void vp8_find_best_ref_mvs(MACROBLOCKD *xd,
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unsigned char *above_ref;
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unsigned char *left_ref;
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int sad;
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int sse;
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int sad_scores[MAX_MV_REFS] = {0};
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int_mv sorted_mvs[MAX_MV_REFS];
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int zero_seen = FALSE;
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@ -211,16 +212,16 @@ void vp8_find_best_ref_mvs(MACROBLOCKD *xd,
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best_mv->as_int = nearest->as_int = near->as_int = 0;
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vpx_memset(sorted_mvs, 0, sizeof(sorted_mvs));
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above_src = xd->dst.y_buffer - xd->dst.y_stride * 3;
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left_src = xd->dst.y_buffer - 3;
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above_ref = ref_y_buffer - ref_y_stride * 3;
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left_ref = ref_y_buffer - 3;
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above_src = xd->dst.y_buffer - xd->dst.y_stride * 2;
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left_src = xd->dst.y_buffer - 2;
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above_ref = ref_y_buffer - ref_y_stride * 2;
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left_ref = ref_y_buffer - 2;
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//for(i = 0; i < MAX_MV_REFS; ++i) {
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// Limit search to the predicted best 4
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for(i = 0; i < 4; ++i) {
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int_mv this_mv;
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int offset=0;
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int offset = 0;
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int row_offset, col_offset;
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this_mv.as_int = mvlist[i].as_int;
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@ -238,19 +239,23 @@ void vp8_find_best_ref_mvs(MACROBLOCKD *xd,
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xd->mb_to_top_edge - LEFT_TOP_MARGIN + 16,
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xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN);
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row_offset = (this_mv.as_mv.row > 0) ?
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((this_mv.as_mv.row + 3) >> 3):((this_mv.as_mv.row + 4) >> 3);
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col_offset = (this_mv.as_mv.col > 0) ?
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((this_mv.as_mv.col + 3) >> 3):((this_mv.as_mv.col + 4) >> 3);
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row_offset = this_mv.as_mv.row >> 3;
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col_offset = this_mv.as_mv.col >> 3;
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offset = ref_y_stride * row_offset + col_offset;
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sad = 0;
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if (xd->up_available)
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sad += vp8_sad16x3(above_src, xd->dst.y_stride,
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above_ref + offset, ref_y_stride, INT_MAX);
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if (xd->left_available)
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sad += vp8_sad3x16(left_src, xd->dst.y_stride,
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left_ref + offset, ref_y_stride, INT_MAX);
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if (xd->up_available) {
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vp8_sub_pixel_variance16x2_c(above_ref + offset, ref_y_stride,
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SP(this_mv.as_mv.col), SP(this_mv.as_mv.row),
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above_src, xd->dst.y_stride, &sse);
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sad += sse;
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}
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if (xd->left_available) {
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vp8_sub_pixel_variance2x16_c(left_ref + offset, ref_y_stride,
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SP(this_mv.as_mv.col), SP(this_mv.as_mv.row),
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left_src, xd->dst.y_stride, &sse);
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sad += sse;
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}
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// Add the entry to our list and then resort the list on score.
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sad_scores[i] = sad;
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sorted_mvs[i].as_int = this_mv.as_int;
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@ -280,7 +285,7 @@ void vp8_find_best_ref_mvs(MACROBLOCKD *xd,
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// be more than one 0,0 entry in the sorted list.
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// The best ref mv is always set to the first entry (which gave the best
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// results. The nearest is set to the first non zero vector if available and
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// near to the second non zero vector if avaialable.
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// near to the second non zero vector if available.
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// We do not use 0,0 as a nearest or near as 0,0 has its own mode.
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if ( sorted_mvs[0].as_int ) {
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nearest->as_int = sorted_mvs[0].as_int;
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@ -508,3 +508,80 @@ unsigned int vp8_sub_pixel_variance8x16_c
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return vp8_variance8x16_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
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}
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#if CONFIG_NEWBESTREFMV
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unsigned int vp8_variance2x16_c(
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const unsigned char *src_ptr,
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const int source_stride,
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const unsigned char *ref_ptr,
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const int recon_stride,
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unsigned int *sse) {
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unsigned int var;
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int avg;
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variance(src_ptr, source_stride, ref_ptr, recon_stride, 2, 16, &var, &avg);
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*sse = var;
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return (var - ((avg * avg) >> 5));
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}
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unsigned int vp8_variance16x2_c(
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const unsigned char *src_ptr,
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const int source_stride,
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const unsigned char *ref_ptr,
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const int recon_stride,
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unsigned int *sse) {
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unsigned int var;
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int avg;
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variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 2, &var, &avg);
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*sse = var;
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return (var - ((avg * avg) >> 5));
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}
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unsigned int vp8_sub_pixel_variance16x2_c
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(
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const unsigned char *src_ptr,
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const int src_pixels_per_line,
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const int xoffset,
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const int yoffset,
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const unsigned char *dst_ptr,
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const int dst_pixels_per_line,
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unsigned int *sse
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) {
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unsigned short FData3[16 * 3]; // Temp data bufffer used in filtering
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unsigned char temp2[20 * 16];
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const short *HFilter, *VFilter;
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HFilter = vp8_bilinear_filters[xoffset];
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VFilter = vp8_bilinear_filters[yoffset];
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var_filter_block2d_bil_first_pass(src_ptr, FData3,
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src_pixels_per_line, 1, 3, 16, HFilter);
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var_filter_block2d_bil_second_pass(FData3, temp2, 16, 16, 2, 16, VFilter);
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return vp8_variance16x2_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
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}
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unsigned int vp8_sub_pixel_variance2x16_c
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(
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const unsigned char *src_ptr,
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const int src_pixels_per_line,
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const int xoffset,
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const int yoffset,
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const unsigned char *dst_ptr,
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const int dst_pixels_per_line,
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unsigned int *sse
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) {
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unsigned short FData3[2 * 17]; // Temp data bufffer used in filtering
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unsigned char temp2[2 * 16];
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const short *HFilter, *VFilter;
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HFilter = vp8_bilinear_filters[xoffset];
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VFilter = vp8_bilinear_filters[yoffset];
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var_filter_block2d_bil_first_pass(src_ptr, FData3,
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src_pixels_per_line, 1, 17, 2, HFilter);
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var_filter_block2d_bil_second_pass(FData3, temp2, 2, 2, 16, 2, VFilter);
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return vp8_variance2x16_c(temp2, 2, dst_ptr, dst_pixels_per_line, sse);
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}
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#endif
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