starred/ffmpeg-rockchip-nyanmisaka
1
0
Fork 0
mirror of https://github.com/nyanmisaka/ffmpeg-rockchip.git synced 2026-01-24 02:20:56 +01:00
Code Issues Projects Packages Wiki Activity Actions

swscale: fix filtersize clipping.

Browse source 
if srcW<=2, clip(x, 1, srcW-2) still allows srcW to be < 1.
This commit is contained in:
Ronald S. Bultje 2012-02-22 14:51:37 -08:00
parent 562ebc3077
commit 1254022ea7
1 changed files with 2 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

3
libswscale/utils.c
View file

@ -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);