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avcodec/dirac_dwt: initialize support value for fidelity wavelet 

Avoids use of uninitialized memory
Fixes: msan_uninit-mem_7f15e1988a6e_2748_RL_420p_ffdirac.drc
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-18 15:49:20 +01:00
parent aeccb522eb
commit 1935173fd1
1 changed files with 1 additions and 0 deletions
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libavcodec/dirac_dwt.c
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@ -535,6 +535,7 @@ int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height
d->vertical_compose_l0 = (void*)vertical_compose_fidelityiL0;
d->vertical_compose_h0 = (void*)vertical_compose_fidelityiH0;
d->horizontal_compose = horizontal_compose_fidelityi;
d->support = 0; // not really used
break;
case DWT_DIRAC_DAUB9_7:
d->spatial_compose = spatial_compose_daub97i_dy;