avcodec/lossless_videodsp: add_hfyu_left_prediction_int16_c: fix harmless integer overflow

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/lossless_videodsp: add_hfyu_left_prediction_int16_c: fix harmless integer overflow
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
ed1a6878 · Michael Niedermayer · 042ab7c4 · ed1a6878
Commit ed1a6878 authored Feb 15, 2014 by Michael Niedermayer
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lossless_videodsp.c libavcodec/lossless_videodsp.c +1 -1

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--- a/libavcodec/lossless_videodsp.c
+++ b/libavcodec/lossless_videodsp.c
@@ -95,7 +95,7 @@ static void sub_hfyu_median_prediction_int16_c(uint16_t *dst, const uint16_t *sr
    *left_top = lt;
 }

-static int add_hfyu_left_prediction_int16_c(uint16_t *dst, const uint16_t *src, unsigned mask, int w, int acc){
+static int add_hfyu_left_prediction_int16_c(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned acc){
    int i;

    for(i=0; i<w-1; i++){