diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-03-04 13:06:22 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-04-01 11:38:44 +0200 |
| commit | 8c99a06c5c9dbec6b91e4e4ba568ca51981a36b4 (patch) | |
| tree | dc29a70dcd48407c273839482889d91f496fe193 | |
| parent | 9179ab9227d63b9fe5be06940be11672aec17517 (diff) | |
| download | ffmpeg-8c99a06c5c9dbec6b91e4e4ba568ca51981a36b4.tar.gz | |
avcodec/setts_bsf: Check timebase
Fixes: Division by 0
Fixes: 30952/clusterfuzz-testcase-minimized-ffmpeg_BSF_SETTS_fuzzer-6601016202100736
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7fc8ba9068abc4c4cb3fbca4a25b53710ec374b6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/setts_bsf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/setts_bsf.c b/libavcodec/setts_bsf.c index 5b6b256915..2558e38f51 100644 --- a/libavcodec/setts_bsf.c +++ b/libavcodec/setts_bsf.c @@ -152,7 +152,7 @@ static int setts_filter(AVBSFContext *ctx, AVPacket *pkt) s->var_values[VAR_PREV_OUTDTS] = s->prev_outdts; s->var_values[VAR_STARTPTS] = s->start_pts; s->var_values[VAR_STARTDTS] = s->start_dts; - s->var_values[VAR_TB] = av_q2d(ctx->time_base_out); + s->var_values[VAR_TB] = ctx->time_base_out.den ? av_q2d(ctx->time_base_out) : 0; s->var_values[VAR_SR] = ctx->par_in->sample_rate; new_ts = llrint(av_expr_eval(s->ts_expr, s->var_values, NULL)); |