virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-15 14:13:16 +02:00
Code Issues Releases Activity

avcodec/jpeg2000dwt: Fix left shift of negative number

Browse Source 
Fixes the j2k-dwt FATE-test; also fixes #9945.
(I don't know whether the multiplication can overflow.)

Reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2022-09-27 01:09:59 +02:00
parent 3d8754cd09
commit fff010591b
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/jpeg2000dwt.c
View File

@@ -81,7 +81,7 @@ static void sd_1d53(int *p, int i0, int i1)
if (i1 <= i0 + 1) { if (i1 <= i0 + 1) {
if (i0 == 1) if (i0 == 1)
p[1] <<= 1; p[1] *= 2;
return; return;
} }