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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-10-14 22:51:57 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-01-06 11:30:44 +0100 |
| commit | 1b375b5036f4e38e4d02b0acfea75dcc9be00d6c (patch) | |
| tree | 9df0d0d7260734c1d9e64fd17eda55cc71120c8b | |
| parent | 590c951857d8d62ab8189ab4d5c1ed668f3d7353 (diff) | |
| download | ffmpeg-1b375b5036f4e38e4d02b0acfea75dcc9be00d6c.tar.gz | |
avcodec/snowenc: Fix 2 undefined shifts
Fixes: Ticket7990
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8802e329c8317ca5ceb929df48a23eb0f9e852b2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/snowenc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c index 61a658fa44..b886be75dc 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); } } } |