From 09806744ccd68602d92bfe581c7196cd169d4f2f Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Tue, 11 Jun 2024 22:44:46 +0200
Subject: [PATCH] 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@niedermayer.cc>
(cherry picked from commit aab0c344c5d1d5b1020f87c62da3e523161a660f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavfilter/avf_showcwt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavfilter/avf_showcwt.c b/libavfilter/avf_showcwt.c
index 9436881f2a..c498f0a7bf 100644
--- a/libavfilter/avf_showcwt.c
+++ b/libavfilter/avf_showcwt.c
@@ -1029,6 +1029,8 @@ 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;
     }