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atrac3: fix buffer size for get_bits.

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Fixes out of array reads

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-26 04:27:23 +01:00
parent 66daebc9d5
commit c8f25cafd2
1 changed files with 1 additions and 1 deletions
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libavcodec/atrac3.c
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@ -740,7 +740,7 @@ static int decode_frame(AVCodecContext *avctx, const uint8_t *databuf,
/* set the bitstream reader at the start of the second Sound Unit*/
init_get_bits(&q->gb, ptr1, avctx->block_align * 8);
init_get_bits8(&q->gb, ptr1, q->decoded_bytes_buffer + avctx->block_align - ptr1);
/* Fill the Weighting coeffs delay buffer */
memmove(q->weighting_delay, &q->weighting_delay[2],