ffmpeg | branch: master | Michael Niedermayer <michae...@gmx.at> | Sun Mar 15 02:57:24 2015 +0100| [3b63819dfbeefe8656c816e2dcdba548ff6dfb35] | committer: Michael Niedermayer
avcodec/vc1: Fix undefined shifts Found-by: Clang -fsanitize=shift Reported-by: Thierry Foucu <tfo...@google.com> Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3b63819dfbeefe8656c816e2dcdba548ff6dfb35 --- libavcodec/vc1.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index 22eb358..a84522c 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -572,13 +572,13 @@ int ff_vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContex int scale, shift, i; \ if (!lumscale) { \ scale = -64; \ - shift = (255 - lumshift * 2) << 6; \ + shift = (255 - lumshift * 2) * 64; \ if (lumshift > 31) \ shift += 128 << 6; \ } else { \ scale = lumscale + 32; \ if (lumshift > 31) \ - shift = (lumshift - 64) << 6; \ + shift = (lumshift - 64) * 64; \ else \ shift = lumshift << 6; \ } \ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
