[FFmpeg-cvslog] avfilter/avf_showcwt: Check av_parse_video_rate() for failure

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Tue Jun 11 22:44:46 2024 +0200| [aab0c344c5d1d5b1020f87c62da3e523161a660f] | committer: Michael Niedermayer

avfilter/avf_showcwt: Check av_parse_video_rate() for failure

Fixes: CID1539147 Unused value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=aab0c344c5d1d5b1020f87c62da3e523161a660f
---

 libavfilter/avf_showcwt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavfilter/avf_showcwt.c b/libavfilter/avf_showcwt.c
index 24d16d9075..89a019a0d4 100644
--- a/libavfilter/avf_showcwt.c
+++ b/libavfilter/avf_showcwt.c
@@ -1028,6 +1028,8 @@ static int config_output(AVFilterLink *outlink)
     s->auto_frame_rate = av_make_q(inlink->sample_rate, s->hop_size);
     if (strcmp(s->rate_str, "auto")) {
         ret = av_parse_video_rate(&s->frame_rate, s->rate_str);
+        if (ret < 0)
+            return ret;
     } else {
         s->frame_rate = s->auto_frame_rate;
     }