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swscale: make filterPos 32bit.

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Fixes overflows for large image sizes.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
This commit is contained in:
Ronald S. Bultje
2012-03-05 12:26:42 -08:00
parent 018f39ef49
commit 2254b559cb
7 changed files with 41 additions and 38 deletions
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libswscale/ppc/swscale_altivec.c
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@@ -144,7 +144,7 @@ static void yuv2planeX_altivec(const int16_t *filter, int filterSize,
static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
const uint8_t *src, const int16_t *filter,
const int16_t *filterPos, int filterSize)
const int32_t *filterPos, int filterSize)
{
register int i;
DECLARE_ALIGNED(16, int, tempo)[4];