From b16806b09d603bc7f3026cc637a531970afbd9a6 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Tue, 28 May 2019 10:43:25 +0200
Subject: [PATCH] avfilter/avf_avectorscope: make use of av_rescale

---
 libavfilter/avf_avectorscope.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/avf_avectorscope.c b/libavfilter/avf_avectorscope.c
index d9ec151331..0f53b36dfb 100644
--- a/libavfilter/avf_avectorscope.c
+++ b/libavfilter/avf_avectorscope.c
@@ -211,7 +211,7 @@ static int config_input(AVFilterLink *inlink)
     AVFilterContext *ctx = inlink->dst;
     AudioVectorScopeContext *s = ctx->priv;
 
-    s->nb_samples = FFMAX(1, ((double)inlink->sample_rate / av_q2d(s->frame_rate)) + 0.5);
+    s->nb_samples = FFMAX(1, av_rescale(inlink->sample_rate, s->frame_rate.den, s->frame_rate.num));
 
     return 0;
 }