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avcodec/msmpeg4dec: init dc_pred_dir

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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@niedermayer.cc>
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Michael Niedermayer 2024-08-15 00:37:06 +02:00
parent 4e39795c75
commit b730defd52
1 changed files with 1 additions and 1 deletions
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libavcodec/msmpeg4dec.c
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@ -628,7 +628,7 @@ int ff_msmpeg4_decode_block(MpegEncContext * s, int16_t * block,
int n, int coded, const uint8_t *scan_table) int n, int coded, const uint8_t *scan_table)
{ {
int level, i, last, run, run_diff; 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 RLTable *rl;
const RL_VLC_ELEM *rl_vlc; const RL_VLC_ELEM *rl_vlc;
int qmul, qadd; int qmul, qadd;