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motionpixels: clip VLC codes.
Fixes invalid reads. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC:libav-stable@libav.org
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@ -180,6 +180,7 @@ static int mp_get_vlc(MotionPixelsContext *mp, GetBitContext *gb)
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int i;
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i = (mp->codes_count == 1) ? 0 : get_vlc2(gb, mp->vlc.table, mp->max_codes_bits, 1);
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i = FFMIN(i, FF_ARRAY_ELEMS(mp->codes) - 1);
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return mp->codes[i].delta;
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}
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