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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>
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@ -535,6 +535,7 @@ int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height
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d->vertical_compose_l0 = (void*)vertical_compose_fidelityiL0;
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d->vertical_compose_h0 = (void*)vertical_compose_fidelityiH0;
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d->horizontal_compose = horizontal_compose_fidelityi;
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d->support = 0; // not really used
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break;
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case DWT_DIRAC_DAUB9_7:
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d->spatial_compose = spatial_compose_daub97i_dy;
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