ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun May 12 00:13:58 2024 +0200| [b6b2b01025e016ce29e5add57305384a663edcfc] | committer: Michael Niedermayer
avcodec/mpegvideo_enc: Fix potential overflow in RD Fixes: CID1500285 Unintentional integer overflow Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b6b2b01025e016ce29e5add57305384a663edcfc --- 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 b601a1a9e4..73a9082265 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]; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
