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avcodec/avdct: Clear IDCTDSPContext context

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Fixes use of uninitialized variable and segfault

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b82825eba8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2020-01-27 21:54:22 +01:00
parent 9ed9c8cc51
commit 51c084bf72
1 changed files with 1 additions and 1 deletions
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2
libavcodec/avdct.c
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@@ -100,7 +100,7 @@ int avcodec_dct_init(AVDCT *dsp)
#if CONFIG_IDCTDSP #if CONFIG_IDCTDSP
{ {
IDCTDSPContext idsp; IDCTDSPContext idsp = {0};
ff_idctdsp_init(&idsp, avctx); ff_idctdsp_init(&idsp, avctx);
COPY(idsp, idct); COPY(idsp, idct);
COPY(idsp, idct_permutation); COPY(idsp, idct_permutation);