553 -> 332 sec
Testcase:
20280/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCREENPRESSO_fuzzer-6238663432470528
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/screenpresso.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/screenpresso.c b/libavcodec/screenpresso.c
index 5fac100897..d73c24df83 100644
--- a/libavcodec/screenpresso.c
+++ b/libavcodec/screenpresso.c
@@ -94,8 +94,9 @@ static void sum_delta_flipped(uint8_t *dst, int
dst_linesize,
{
int i;
for (; height > 0; height--) {
+ const uint8_t *src1 = &src[(height - 1) * src_linesize];
for (i = 0; i < bytewidth; i++)
- dst[i] += src[(height - 1) * src_linesize + i];
+ dst[i] += src1[i];
dst += dst_linesize;
}
}
--
2.17.1
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