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avfilter/vf_cover_rect: Handle the case where the cover rectangle is as large as the input

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Fixes division by 0
Fixes CID1297575

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-12 20:19:47 +02:00
parent 1431b4cf77
commit 0d05406482
1 changed files with 1 additions and 1 deletions
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libavfilter/vf_cover_rect.c
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@ -132,7 +132,7 @@ static void blur(CoverContext *cover, AVFrame *in, int offx, int offy)
s += data[x + h*stride] * scale; s += data[x + h*stride] * scale;
c += scale; c += scale;
} }
data[x + y*stride] = (s + (c>>1)) / c; data[x + y*stride] = c ? (s + (c>>1)) / c : 0;
} }
} }
} }