Fixes: CID1500285 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavcodec/mpegvideo_enc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index b601a1a9e40..73a9082265b 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1433,7 +1433,7 @@ static int estimate_best_b_count(MpegEncContext *s)
goto fail;
}
- rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
+ rd += (out_size * (uint64_t)lambda2) >> (FF_LAMBDA_SHIFT - 3);
}
/* get the delayed frames */
@@ -1442,7 +1442,7 @@ static int estimate_best_b_count(MpegEncContext *s)
ret = out_size;
goto fail;
}
- rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
+ rd += (out_size * (uint64_t)lambda2) >> (FF_LAMBDA_SHIFT - 3);
rd += c->error[0] + c->error[1] + c->error[2];
--
2.43.2
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