Commit d86d7b24 authored by Michael Niedermayer's avatar Michael Niedermayer

avcodec/mjpegdec: Fix negative shift

Fixes: mjpeg_left_shift.avi
Found-by: 's avatarPiotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent f587ed0c
...@@ -999,7 +999,7 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int p ...@@ -999,7 +999,7 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int p
return -1; return -1;
left[i] = buffer[mb_x][i] = left[i] = buffer[mb_x][i] =
mask & (pred + (dc << point_transform)); mask & (pred + (dc * (1 << point_transform)));
} }
if (s->restart_interval && !--s->restart_count) { if (s->restart_interval && !--s->restart_count) {
......
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