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-rw-r--r--vp9/common/vp9_findnearmv.c23
-rw-r--r--vp9/encoder/vp9_rdopt.c7
2 files changed, 10 insertions, 20 deletions
diff --git a/vp9/common/vp9_findnearmv.c b/vp9/common/vp9_findnearmv.c
index 88f2ea9c1..9585611dd 100644
--- a/vp9/common/vp9_findnearmv.c
+++ b/vp9/common/vp9_findnearmv.c
@@ -279,21 +279,16 @@ void vp9_find_best_ref_mvs(MACROBLOCKD *xd,
clamp_mv2(&sorted_mvs[i], xd);
}
- // Provided that there are non zero vectors available there will not
- // be more than one 0,0 entry in the sorted list.
- // The best ref mv is always set to the first entry (which gave the best
- // results. The nearest is set to the first non zero vector if available and
- // near to the second non zero vector if available.
- // We do not use 0,0 as a nearest or near as 0,0 has its own mode.
- if ( sorted_mvs[0].as_int ) {
- nearest->as_int = sorted_mvs[0].as_int;
- if ( sorted_mvs[1].as_int )
- near->as_int = sorted_mvs[1].as_int;
- else
- near->as_int = sorted_mvs[2].as_int;
+ // Nearest may be a 0,0 or non zero vector and now matches the chosen
+ // "best reference". This has advantages when it is used as part of a
+ // compound predictor as it means a non zero vector can be paired using
+ // this mode with a 0 vector. The Near vector is still forced to be a
+ // non zero candidate if one is avaialble.
+ nearest->as_int = sorted_mvs[0].as_int;
+ if ( sorted_mvs[1].as_int ) {
+ near->as_int = sorted_mvs[1].as_int;
} else {
- nearest->as_int = sorted_mvs[1].as_int;
- near->as_int = sorted_mvs[2].as_int;
+ near->as_int = sorted_mvs[2].as_int;
}
// Copy back the re-ordered mv list
diff --git a/vp9/encoder/vp9_rdopt.c b/vp9/encoder/vp9_rdopt.c
index 631a4e3a2..cd7e46915 100644
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -3304,13 +3304,8 @@ static int64_t handle_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
96, xd->allow_high_precision_mv);
}
break;
- case NEARESTMV:
case NEARMV:
- // Do not bother proceeding if the vector (from newmv, nearest or
- // near) is 0,0 as this should then be coded using the zeromv mode.
- for (i = 0; i < num_refs; ++i)
- if (frame_mv[this_mode][refs[i]].as_int == 0)
- return INT64_MAX;
+ case NEARESTMV:
case ZEROMV:
default:
break;