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swscale: fix integer overflows in RGB pixel writing. 

We're shifting individual components (8-bit, unsigned) left by 24,
so making them unsigned should give the same results without the
overflow.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Mans Rullgard 2011-12-17 18:45:46 +00:00
parent b4dc68803b
commit 77d88b872d
1 changed files with 2 additions and 2 deletions
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4
libswscale/swscale.c
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@ -920,8 +920,8 @@ YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48be, PIX_FMT_BGR48BE)
YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48le, PIX_FMT_BGR48LE)
static av_always_inline void
yuv2rgb_write(uint8_t *_dest, int i, int Y1, int Y2,
int U, int V, int A1, int A2,
yuv2rgb_write(uint8_t *_dest, int i, unsigned Y1, unsigned Y2,
unsigned U, unsigned V, unsigned A1, unsigned A2,
const void *_r, const void *_g, const void *_b, int y,
enum PixelFormat target, int hasAlpha)
{