ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Mon Oct 14 22:51:57 2019 +0200| [8802e329c8317ca5ceb929df48a23eb0f9e852b2] | committer: Michael Niedermayer
avcodec/snowenc: Fix 2 undefined shifts Fixes: Ticket7990 Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8802e329c8317ca5ceb929df48a23eb0f9e852b2 --- libavcodec/snowenc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c index df1729a083..4166ce4e1d 100644 --- a/libavcodec/snowenc.c +++ b/libavcodec/snowenc.c @@ -312,7 +312,7 @@ static int encode_q_branch(SnowContext *s, int level, int x, int y){ if(P_LEFT[1] > (c->ymax<<shift)) P_LEFT[1] = (c->ymax<<shift); if(P_TOP[0] > (c->xmax<<shift)) P_TOP[0] = (c->xmax<<shift); if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); - if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); + if(P_TOPRIGHT[0] < (c->xmin * (1<<shift))) P_TOPRIGHT[0]= (c->xmin * (1<<shift)); if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); //due to pmx no clip if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift); @@ -1774,7 +1774,7 @@ FF_ENABLE_DEPRECATION_WARNINGS }else{ for(y=0; y<h; y++){ for(x=0; x<w; x++){ - s->spatial_dwt_buffer[y*w + x]=s->spatial_idwt_buffer[y*w + x]<<ENCODER_EXTRA_BITS; + s->spatial_dwt_buffer[y*w + x]= s->spatial_idwt_buffer[y*w + x] * (1 << ENCODER_EXTRA_BITS); } } } _______________________________________________ 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".
