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vp9: clamp final zero MV if find_ref_mvs() found no suitable candidates.

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This may actually result in a non-zero MV. Fixes ticket 4583.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Ronald S. Bultje
2015-06-01 11:17:44 -04:00
committed by Michael Niedermayer
parent deed77ffee
commit 138581c41a
1 changed files with 1 additions and 0 deletions
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libavcodec/vp9.c
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@@ -1273,6 +1273,7 @@ static void find_ref_mvs(VP9Context *s,
}
AV_ZERO32(pmv);
clamp_mv(pmv, pmv, s);
#undef INVALID_MV
#undef RETURN_MV
#undef RETURN_SCALE_MV