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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-09-27 01:09:59 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-09-29 01:02:55 +0200 |
| commit | fff010591b35874b4c7a7e9fe00d7541f0b7c994 (patch) | |
| tree | 0f8e9086ce4b3cad62820316bf05ad006db25740 | |
| parent | 3d8754cd091d81ed8e39978618cb441ebbc69ea5 (diff) | |
| download | ffmpeg-fff010591b35874b4c7a7e9fe00d7541f0b7c994.tar.gz | |
avcodec/jpeg2000dwt: Fix left shift of negative number
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>
| -rw-r--r-- | libavcodec/jpeg2000dwt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000dwt.c b/libavcodec/jpeg2000dwt.c index f2da7307c4..34e33553f7 100644 --- a/libavcodec/jpeg2000dwt.c +++ b/libavcodec/jpeg2000dwt.c @@ -81,7 +81,7 @@ static void sd_1d53(int *p, int i0, int i1) if (i1 <= i0 + 1) { if (i0 == 1) - p[1] <<= 1; + p[1] *= 2; return; } |