diff options
| -rw-r--r-- | libavfilter/vf_waveform.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavfilter/vf_waveform.c b/libavfilter/vf_waveform.c index b4661e021f..8033628407 100644 --- a/libavfilter/vf_waveform.c +++ b/libavfilter/vf_waveform.c @@ -3025,6 +3025,9 @@ static int config_output(AVFilterLink *outlink) comp++; } s->acomp = comp; + if (s->acomp == 0) + return AVERROR(EINVAL); + s->odesc = av_pix_fmt_desc_get(outlink->format); s->dcomp = s->odesc->nb_components; |