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mpc8: Check out of bound bands limit

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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
(cherry picked from commit 9bd854b1ff342f82efa6d2ad4e8fefddce5fa731)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Laurent Aimar 2011-09-25 20:06:20 +00:00 committed by Reinhard Tartler
parent be2404b06d
commit 59050c0629
1 changed files with 2 additions and 0 deletions
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2
libavcodec/mpc8.c
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@ -266,6 +266,8 @@ static int mpc8_decode_frame(AVCodecContext * avctx,
maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2);
if(maxband > 32) maxband -= 33;
}
if(maxband > c->maxbands)
return AVERROR_INVALIDDATA;
c->last_max_band = maxband;
/* read subband indexes */