[FFmpeg-cvslog] avfilter/avf_showspectrum: proper rational multiplication

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Wed Aug  4 22:11:41 2021 +0200| [b1388cd6c53a101425f33f427ac890d42d03e107] | committer: Paul B Mahol

avfilter/avf_showspectrum: proper rational multiplication

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b1388cd6c53a101425f33f427ac890d42d03e107
---

 libavfilter/avf_showspectrum.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c
index 14fc318166..b9391a6efb 100644
--- a/libavfilter/avf_showspectrum.c
+++ b/libavfilter/avf_showspectrum.c
@@ -1189,9 +1189,9 @@ static int config_output(AVFilterLink *outlink)
 
     s->auto_frame_rate = av_make_q(inlink->sample_rate, s->hop_size);
     if (s->orientation == VERTICAL && s->sliding == FULLFRAME)
-        s->auto_frame_rate.den *= s->w;
+        s->auto_frame_rate = av_mul_q(s->auto_frame_rate, av_make_q(1, s->w));
     if (s->orientation == HORIZONTAL && s->sliding == FULLFRAME)
-        s->auto_frame_rate.den *= s->h;
+        s->auto_frame_rate = av_mul_q(s->auto_frame_rate, av_make_q(1, s->h));
     if (!s->single_pic && strcmp(s->rate_str, "auto")) {
         int ret = av_parse_video_rate(&s->frame_rate, s->rate_str);
         if (ret < 0)