From cb3495c0cb5fc160b29bbd85692781b6ad09c7fc Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Mon, 27 Jan 2020 21:54:22 +0100
Subject: [PATCH] avcodec/avdct: Clear IDCTDSPContext context

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 b82825eba837f7cbb24c1d66e93285d029307417)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/avdct.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/avdct.c b/libavcodec/avdct.c
index 80aca8872b..7853f7a226 100644
--- a/libavcodec/avdct.c
+++ b/libavcodec/avdct.c
@@ -109,7 +109,7 @@ int avcodec_dct_init(AVDCT *dsp)
 
 #if CONFIG_IDCTDSP
     {
-        IDCTDSPContext idsp;
+        IDCTDSPContext idsp = {0};
         ff_idctdsp_init(&idsp, avctx);
         COPY(idsp, idct);
         COPY(idsp, idct_permutation);