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qdm2: increase noise_table size

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This prevents out of array reads. An alternative solution would be
to check the index but this would require several checks in the
inner loops

Yet another alternative would be to change the index reset logic
but this likely would introduce a difference to the binary decoder

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-28 19:34:55 +01:00
parent 4484c722f6
commit 8c4aebb58d
1 changed files with 1 additions and 1 deletions
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2
libavcodec/qdm2_tablegen.h
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@ -37,7 +37,7 @@
#include "libavcodec/qdm2_tables.h"
#else
static uint16_t softclip_table[HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD + 1];
static float noise_table[4096];
static float noise_table[4096 + 20];
static uint8_t random_dequant_index[256][5];
static uint8_t random_dequant_type24[128][3];
static float noise_samples[128];