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swscale/input: fix harmless integer overflow

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-16 22:46:46 +02:00
parent 389d45351e
commit 293d5d7a8e
1 changed files with 2 additions and 2 deletions
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4
libswscale/input.c
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@ -324,8 +324,8 @@ static av_always_inline void rgb16_32ToUV_half_c_template(int16_t *dstU,
maskb |= maskb << 1; maskb |= maskb << 1;
maskg |= maskg << 1; maskg |= maskg << 1;
for (i = 0; i < width; i++) { for (i = 0; i < width; i++) {
int px0 = input_pixel(2 * i + 0) >> shp; unsigned px0 = input_pixel(2 * i + 0) >> shp;
int px1 = input_pixel(2 * i + 1) >> shp; unsigned px1 = input_pixel(2 * i + 1) >> shp;
int b, r, g = (px0 & maskgx) + (px1 & maskgx); int b, r, g = (px0 & maskgx) + (px1 & maskgx);
int rb = px0 + px1 - g; int rb = px0 + px1 - g;