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authorRonald S. Bultje <rsbultje@gmail.com>2012-02-28 18:21:31 -0800
committerRonald S. Bultje <rsbultje@gmail.com>2012-02-29 11:19:03 -0800
commit791de61bbb0d2bceb1037597b310e2a4a94494fd (patch)
tree958091f9b8986cd3d3d076cff236d5e4b9d6c2eb /libswscale
parent85b221e4d3e7f42cfcf4a491b357b137f731e9d6 (diff)
downloadffmpeg-791de61bbb0d2bceb1037597b310e2a4a94494fd.tar.gz
swscale: fix another integer overflow.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/utils.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 3b488ca44f..7c89a70953 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1014,7 +1014,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
c->vLumBufSize= c->vLumFilterSize;
c->vChrBufSize= c->vChrFilterSize;
for (i=0; i<dstH; i++) {
- int chrI= i*c->chrDstH / dstH;
+ int chrI = (int64_t) i * c->chrDstH / dstH;
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));