[FFmpeg-devel] [PATCH] avocdec/snowenc: Fix left shift of negative number
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Tue Sep 27 04:47:15 EEST 2022
Fixes the vsynth(1|2|_lena)-snow-ll FATE-tests.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
libavcodec/snowenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c
index b647fc9016..c5ff50639e 100644
--- a/libavcodec/snowenc.c
+++ b/libavcodec/snowenc.c
@@ -1814,7 +1814,7 @@ redo_frame:
if(s->qlog == LOSSLESS_QLOG){
for(y=0; y<h; y++){
for(x=0; x<w; x++){
- s->spatial_idwt_buffer[y*w + x]<<=FRAC_BITS;
+ s->spatial_idwt_buffer[y*w + x] *= 1 << FRAC_BITS;
}
}
}
--
2.34.1
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