This is unlikely to make a difference
Fixes: CID1591896 Unintentional integer overflow
Fixes: CID1591901 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libswscale/swscale.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 2795429b6c3..7fb24ee04bb 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -1173,7 +1173,7 @@ int sws_receive_slice(struct SwsContext *c, unsigned int
slice_start,
}
for (int i = 0; i < FF_ARRAY_ELEMS(dst); i++) {
- ptrdiff_t offset = c->frame_dst->linesize[i] * (slice_start >>
c->chrDstVSubSample);
+ ptrdiff_t offset = c->frame_dst->linesize[i] * (ptrdiff_t)(slice_start
>> c->chrDstVSubSample);
dst[i] = FF_PTR_ADD(c->frame_dst->data[i], offset);
}
@@ -1234,7 +1234,7 @@ void ff_sws_slice_worker(void *priv, int jobnr, int
threadnr,
for (int i = 0; i < FF_ARRAY_ELEMS(dst) && parent->frame_dst->data[i];
i++) {
const int vshift = (i == 1 || i == 2) ? c->chrDstVSubSample : 0;
const ptrdiff_t offset = parent->frame_dst->linesize[i] *
- ((slice_start + parent->dst_slice_start) >> vshift);
+ (ptrdiff_t)((slice_start + parent->dst_slice_start) >> vshift);
dst[i] = parent->frame_dst->data[i] + offset;
}
--
2.45.2
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