diff options
| -rw-r--r-- | vp9/encoder/vp9_rdopt.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/vp9/encoder/vp9_rdopt.c b/vp9/encoder/vp9_rdopt.c index 24b81c025..ef8cb2bab 100644 --- a/vp9/encoder/vp9_rdopt.c +++ b/vp9/encoder/vp9_rdopt.c @@ -1863,6 +1863,7 @@ static int64_t handle_inter_mode(VP9_COMP *cpi, MACROBLOCK *x, struct buf_2d backup_yv12[MAX_MB_PLANE] = {{0}}; struct buf_2d backup_second_yv12[MAX_MB_PLANE] = {{0}}; struct buf_2d scaled_first_yv12; + int last_besterr[2] = {INT_MAX, INT_MAX}; if (scaled_ref_frame[0]) { int i; @@ -1897,11 +1898,9 @@ static int64_t handle_inter_mode(VP9_COMP *cpi, MACROBLOCK *x, frame_mv[NEWMV][refs[0]].as_int = single_newmv[refs[0]].as_int; frame_mv[NEWMV][refs[1]].as_int = single_newmv[refs[1]].as_int; - // Iteration: joint search is done once for each ref frame. - // Tried allowing search multiple times iteratively, and break out if - // it couldn't find better mv. But tests didn't show noticeable - // improvement. - for (ite = 0; ite < 2; ite++) { + // Allow joint search multiple times iteratively for each ref frame, and + // break out the search loop if it couldn't find better mv. + for (ite = 0; ite < 4; ite++) { struct buf_2d ref_yv12[2] = {xd->plane[0].pre[0], xd->plane[0].pre[1]}; int bestsme = INT_MAX; @@ -1952,19 +1951,26 @@ static int64_t handle_inter_mode(VP9_COMP *cpi, MACROBLOCK *x, int dis; /* TODO: use dis in distortion calculation later. */ unsigned int sse; - vp9_find_best_sub_pixel_comp(x, &tmp_mv, - &ref_mv[id], - x->errorperbit, - &cpi->fn_ptr[block_size], - x->nmvjointcost, x->mvcost, - &dis, &sse, second_pred, - b_sz[bsize][0], b_sz[bsize][1]); + bestsme = vp9_find_best_sub_pixel_comp(x, &tmp_mv, + &ref_mv[id], + x->errorperbit, + &cpi->fn_ptr[block_size], + x->nmvjointcost, x->mvcost, + &dis, &sse, second_pred, + b_sz[bsize][0], + b_sz[bsize][1]); } - frame_mv[NEWMV][refs[id]].as_int = - xd->mode_info_context->bmi[0].as_mv[1].as_int = tmp_mv.as_int; if (id) xd->plane[0].pre[0] = scaled_first_yv12; + + if (bestsme < last_besterr[id]) { + frame_mv[NEWMV][refs[id]].as_int = + xd->mode_info_context->bmi[0].as_mv[1].as_int = tmp_mv.as_int; + last_besterr[id] = bestsme; + } else { + break; + } } // restore the predictor |