[FFmpeg-cvslog] avcodec/avdct: Clear IDCTDSPContext context

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Mon Jan 27 21:54:22 2020 +0100| [b82825eba837f7cbb24c1d66e93285d029307417] | committer: Michael Niedermayer

avcodec/avdct: Clear IDCTDSPContext context

Fixes use of uninitialized variable and segfault

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Reviewed-by: James Almer <jamrial at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b82825eba837f7cbb24c1d66e93285d029307417
---

 libavcodec/avdct.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/avdct.c b/libavcodec/avdct.c
index 47e5f7134e..7c761cf39a 100644
--- a/libavcodec/avdct.c
+++ b/libavcodec/avdct.c
@@ -100,7 +100,7 @@ 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);