mirror of https://git.ffmpeg.org/ffmpeg.git
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 d86d7b2486
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -994,7 +994,7 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int p
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return -1;
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left[i] = buffer[mb_x][i] =
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mask & (pred + (dc << point_transform));
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mask & (pred + (dc * (1 << point_transform)));
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}
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if (s->restart_interval && !--s->restart_count) {
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