From: "Ronald S. Bultje" <[email protected]>
if srcW<=2, clip(x, 1, srcW-2) still allows srcW to be < 1.
---
libswscale/utils.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 2fe9c5b..6ae8af6 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -263,7 +263,8 @@ static int initFilter(int16_t **outFilter, int16_t
**filterPos, int *outFilterSi
if (xInc <= 1<<16) filterSize= 1 + sizeFactor; // upscale
else filterSize= 1 + (sizeFactor*srcW + dstW - 1)/
dstW;
- filterSize = av_clip(filterSize, 1, srcW - 2);
+ filterSize = FFMIN(filterSize, srcW - 2);
+ filterSize = FFMAX(filterSize, 1);
FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
--
1.7.7.4
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