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commit 0ab097fb344ab55b207d0431fff8aa32ecdef70f Author: Michael Niedermayer <[email protected]> AuthorDate: Sun May 31 03:07:26 2026 +0200 Commit: michaelni <[email protected]> CommitDate: Fri Jun 5 01:15:22 2026 +0000 swscale/output: avoid signed overflow in yuv2rgba64_1 alpha Signed-off-by: Michael Niedermayer <[email protected]> --- libswscale/output.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libswscale/output.c b/libswscale/output.c index 003bff63a1..cea7fb1185 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -1320,7 +1320,7 @@ yuv2rgba64_1_c_template(SwsInternal *c, const int32_t *buf0, } } else { const int32_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1]; - int A1 = 0xffff<<14, A2 = 0xffff<<14; + SUINT A1 = 0xffff<<14, A2 = 0xffff<<14; unsigned uvalpha1 = 4096 - uvalpha; av_assert2(uvalpha <= 4096U); @@ -1339,8 +1339,8 @@ yuv2rgba64_1_c_template(SwsInternal *c, const int32_t *buf0, Y2 += (1 << 13) - (1 << 29); if (hasAlpha) { - A1 = abuf0[i * 2 ] * (1 << 11); - A2 = abuf0[i * 2 + 1] * (1 << 11); + A1 = abuf0[i * 2 ] * (SUINT)(1 << 11); + A2 = abuf0[i * 2 + 1] * (SUINT)(1 << 11); A1 += 1 << 13; A2 += 1 << 13; _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
