ljpeg: use the correct number of components in yuv
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit a030279a67
)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:

committed by
Reinhard Tartler

parent
c340319559
commit
510a96a211
@@ -709,10 +709,9 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int predictor,
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}
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}
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static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor,
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static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor,
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int point_transform)
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int point_transform, int nb_components)
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{
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{
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int i, mb_x, mb_y;
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int i, mb_x, mb_y;
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const int nb_components = 3;
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for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
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for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
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for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
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for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
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@@ -1094,7 +1093,8 @@ next_field:
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return ret;
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return ret;
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} else {
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} else {
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if ((ret = ljpeg_decode_yuv_scan(s, predictor,
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if ((ret = ljpeg_decode_yuv_scan(s, predictor,
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point_transform)) < 0)
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point_transform,
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nb_components)) < 0)
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return ret;
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return ret;
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}
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}
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}
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}
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