avcodec/simple_idct_template: fix integer overflow

24424a65 · Paul B Mahol · bbe27890 · 24424a65
Commit 24424a65 authored Dec 13, 2019 by Paul B Mahol
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simple_idct_template.c libavcodec/simple_idct_template.c +1 -1

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--- a/libavcodec/simple_idct_template.c
+++ b/libavcodec/simple_idct_template.c
@@ -121,7 +121,7 @@ static inline void FUNC6(idctRowCondDC)(idctin *row, int extra_shift)
 // TODO: Add DC-only support for int32_t input
 #if IN_IDCT_DEPTH == 16
 #if HAVE_FAST_64BIT
-#define ROW0_MASK (0xffffLL << 48 * HAVE_BIGENDIAN)
+#define ROW0_MASK (0xffffULL << 48 * HAVE_BIGENDIAN)
    if (((AV_RN64A(row) & ~ROW0_MASK) | AV_RN64A(row+4)) == 0) {
        uint64_t temp;
        if (DC_SHIFT - extra_shift >= 0) {