Fix for UBSAN left shift of negative number error in SexyFilter2

2023-02-09 20:06:18 -05:00 · 2023-02-09 20:06:18 -05:00 · 18f09c8e76
parent 66f35e1074
commit 18f09c8e76
1 changed files with 1 additions and 1 deletions
--- a/src/filter.cpp
+++ b/src/filter.cpp
@ -37,7 +37,7 @@ void SexyFilter2(int32 *in, int32 count)
 while(count--)
 {
  int64 dropcurrent;
-  dropcurrent=((*in<<16)-acc)>>3;
+  dropcurrent=( int32(uint32(*in)<<16)-acc)>>3;

  acc+=dropcurrent;
  *in=acc>>16;