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indeo3: Fix overreading requant_tab.

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-03-04 23:12:58 +01:00
parent 56ffa3fefb
commit 33a183df46
1 changed files with 1 additions and 1 deletions
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libavcodec/indeo3.c
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@ -622,7 +622,7 @@ static int decode_cell(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
/* of the predicted cell in order to avoid overflows. */
if (vq_index >= 8 && ref_block) {
for (x = 0; x < cell->width << 2; x++)
ref_block[x] = requant_tab[vq_index & 7][ref_block[x]];
ref_block[x] = requant_tab[vq_index & 7][ref_block[x] & 127];
}
error = IV3_NOERR;