Fixes: signed integer overflow: 1169365504 + 981452800 cannot be represented in
type 'int'
Fixes: ticket8293
Found-by: Suhwan
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libswscale/output.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/libswscale/output.c b/libswscale/output.c
index a793a89443..04595d2d01 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -1850,9 +1850,9 @@ static av_always_inline void
yuv2rgb_write_full(SwsContext *c,
Y -= c->yuv2rgb_y_offset;
Y *= c->yuv2rgb_y_coeff;
Y += 1 << 21;
- R = Y + V*c->yuv2rgb_v2r_coeff;
- G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;
- B = Y + U*c->yuv2rgb_u2b_coeff;
+ R = (unsigned)Y + V*c->yuv2rgb_v2r_coeff;
+ G = (unsigned)Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;
+ B = (unsigned)Y + U*c->yuv2rgb_u2b_coeff;
if ((R | G | B) & 0xC0000000) {
R = av_clip_uintp2(R, 30);
G = av_clip_uintp2(G, 30);
--
2.17.1
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