[FFmpeg-cvslog] avcodec/msmpeg4dec: init dc_pred_dir

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Thu Aug 15 00:37:06 2024 +0200| [b730defd52ad96dbdd6ac49a6f18f3c4c5f17008] | committer: Michael Niedermayer

avcodec/msmpeg4dec: init dc_pred_dir

Its not really used but its passed as a argument and then not used
Fixes: 70965/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSMPEG4V1_fuzzer-5583223747313664

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b730defd52ad96dbdd6ac49a6f18f3c4c5f17008
---

 libavcodec/msmpeg4dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/msmpeg4dec.c b/libavcodec/msmpeg4dec.c
index 31b17c2839..12bef4f506 100644
--- a/libavcodec/msmpeg4dec.c
+++ b/libavcodec/msmpeg4dec.c
@@ -628,7 +628,7 @@ int ff_msmpeg4_decode_block(MpegEncContext * s, int16_t * block,
                               int n, int coded, const uint8_t *scan_table)
 {
     int level, i, last, run, run_diff;
-    int av_uninit(dc_pred_dir);
+    int dc_pred_dir = -1; //unused but its passed around, so it needs to be initialized
     const RLTable *rl;
     const RL_VLC_ELEM *rl_vlc;
     int qmul, qadd;