diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-10 15:52:09 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-31 00:25:20 +0100 |
| commit | 5c0d8a8387772bc9309e75a8974105031359330d (patch) | |
| tree | 986b678c8f6d01a95381651bb71398c45d775f6b | |
| parent | f6a503c4438d98ddf52b32c0e980ccf420205cca (diff) | |
| download | ffmpeg-5c0d8a8387772bc9309e75a8974105031359330d.tar.gz | |
avcodec/mjpegdec: Fix negative shift
Fixes: mjpeg_left_shift.avi
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d86d7b2486cd5c31db8e820d8a89554abf19567e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/mjpegdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index f6f1fae682..8e3a98a7d9 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -950,7 +950,7 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int p return -1; left[i] = buffer[mb_x][i] = - mask & (pred + (dc << point_transform)); + mask & (pred + (dc * (1 << point_transform))); } if (s->restart_interval && !--s->restart_count) { |