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avcodec/dvdsubdec: Fix runtime error: left shift of 242 by 24 places cannot be represented in type 'int'
Fixes: 1080/clusterfuzz-testcase-5353236754071552
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ce7098b8f2
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -60,7 +60,7 @@ static void yuv_a_to_rgba(const uint8_t *ycbcr, const uint8_t *alpha, uint32_t *
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cb = *ycbcr++;
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YUV_TO_RGB1_CCIR(cb, cr);
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YUV_TO_RGB2_CCIR(r, g, b, y);
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*rgba++ = (*alpha++ << 24) | (r << 16) | (g << 8) | b;
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*rgba++ = ((unsigned)*alpha++ << 24) | (r << 16) | (g << 8) | b;
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}
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}
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