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| author | Yunqing Wang <yunqingwang@google.com> | 2015-08-04 12:06:21 -0700 |
|---|---|---|
| committer | Yunqing Wang <yunqingwang@google.com> | 2015-08-04 12:06:21 -0700 |
| commit | a3d22aa2a4e9946f5dd5e0e77c351511fb5d97ec (patch) | |
| tree | ba237df29236d4aea61dba76a87486222df6785a /vp9 | |
| parent | 0e3f494b217bde5e1d47107cdfbb044e4d801cec (diff) | |
| download | libvpx-a3d22aa2a4e9946f5dd5e0e77c351511fb5d97ec.tar libvpx-a3d22aa2a4e9946f5dd5e0e77c351511fb5d97ec.tar.gz libvpx-a3d22aa2a4e9946f5dd5e0e77c351511fb5d97ec.tar.bz2 libvpx-a3d22aa2a4e9946f5dd5e0e77c351511fb5d97ec.zip | |
Small improvement in sub-pixel motion search
If the current best mv(namely, the search center) is still the best mv
after the first level search, the second level checks is skipped. This
patch doesn't change the bitstream. At speed 0, it speeds up the encoder
by 1% - 2%.
Change-Id: I054c91b884d3f7aef157436c061744562bd6506d
Diffstat (limited to 'vp9')
| -rw-r--r-- | vp9/encoder/vp9_mcomp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/vp9/encoder/vp9_mcomp.c b/vp9/encoder/vp9_mcomp.c index 081b99f9f..6e0c561c3 100644 --- a/vp9/encoder/vp9_mcomp.c +++ b/vp9/encoder/vp9_mcomp.c @@ -735,7 +735,7 @@ int vp9_find_best_sub_pixel_tree(const MACROBLOCK *x, bc = tc; } - if (iters_per_step > 1) + if (iters_per_step > 1 && best_idx != -1) SECOND_LEVEL_CHECKS; tr = br; |