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avcodec/wmalosslessdec: fix mclms_coeffs* array size

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Fixes corruption of context
Fixes: 8835659dde6a4f7dcdf341de6a45c6c8-signal_sigsegv_1dce67b_4564_cov_2504444599_classical_22_16_1_14000_v3c_0_extend_0_29.wma
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ec9578d54d09b64bf112c2bf7a34b1ef3b93dbd3)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-07 15:07:23 +01:00
parent 236b7b16eb
commit c23597ec7e
1 changed files with 2 additions and 2 deletions
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libavcodec/wmalosslessdec.c
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@ -125,8 +125,8 @@ typedef struct WmallDecodeCtx {
int8_t mclms_order;
int8_t mclms_scaling;
int16_t mclms_coeffs[128];
int16_t mclms_coeffs_cur[4];
int16_t mclms_coeffs[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS * 32];
int16_t mclms_coeffs_cur[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS];
int16_t mclms_prevvalues[WMALL_MAX_CHANNELS * 2 * 32];
int16_t mclms_updates[WMALL_MAX_CHANNELS * 2 * 32];
int mclms_recent;