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alac: fix nb_samples < order case 

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-10 17:14:04 +01:00
parent eb3dc23705
commit fd4f4923cc
1 changed files with 1 additions and 1 deletions
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2
libavcodec/alac.c
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@ -224,7 +224,7 @@ static void lpc_prediction(int32_t *error_buffer, int32_t *buffer_out,
}
/* read warm-up samples */
for (i = 1; i <= lpc_order; i++)
for (i = 1; i <= lpc_order && i < nb_samples; i++)
buffer_out[i] = sign_extend(buffer_out[i - 1] + error_buffer[i], bps);
/* NOTE: 4 and 8 are very common cases that could be optimized. */