ffmpeg | branch: release/1.0 | Michael Niedermayer <michae...@gmx.at> | Wed Apr 16 02:06:37 2014 +0200| [00476d924902e3d863bab57e43f4ec0e77a30675] | committer: Michael Niedermayer
avcodec/diracdec: fix undefined behavior with shifts Fixes part of Ticket3466 Found-by: Andrey_Karpov / PVS-Studio Signed-off-by: Michael Niedermayer <michae...@gmx.at> (cherry picked from commit b8598f6ce61ccda3f2ff0c730b009fb650e42986) Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=00476d924902e3d863bab57e43f4ec0e77a30675 --- libavcodec/diracdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c index 13d9e47..48a609b 100644 --- a/libavcodec/diracdec.c +++ b/libavcodec/diracdec.c @@ -1337,8 +1337,8 @@ static int mc_subpel(DiracContext *s, DiracBlock *block, const uint8_t *src[5], motion_y >>= s->chroma_y_shift; } - mx = motion_x & ~(-1 << s->mv_precision); - my = motion_y & ~(-1 << s->mv_precision); + mx = motion_x & ~(-1U << s->mv_precision); + my = motion_y & ~(-1U << s->mv_precision); motion_x >>= s->mv_precision; motion_y >>= s->mv_precision; /* normalize subpel coordinates to epel */ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
