From 16edb60e956df2f4bb4fcc435461b4497131fdf2 Mon Sep 17 00:00:00 2001
From: Mikael Finstad <finstaden@gmail.com>
Date: Thu, 20 Feb 2020 19:18:36 +0800
Subject: [PATCH] fix buggy frame numbers

---
 src/util.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/util.js b/src/util.js
index 0f9bcaae..abc82bc3 100644
--- a/src/util.js
+++ b/src/util.js
@@ -14,9 +14,10 @@ function formatDuration({ seconds: _seconds, fileNameFriendly, fps }) {
   const hoursPadded = _.padStart(Math.floor(hours), 2, '0');
   const minutesPadded = _.padStart(Math.floor(minutes % 60), 2, '0');
   const secondsPadded = _.padStart(Math.floor(seconds) % 60, 2, '0');
+  const ms = seconds - Math.floor(seconds);
   const msPadded = fps != null
-    ? _.padStart(Math.floor((seconds * fps) % fps), 2, '0')
-    : _.padStart(Math.floor((seconds - Math.floor(seconds)) * 1000), 3, '0');
+    ? _.padStart(Math.floor(ms * fps), 2, '0')
+    : _.padStart(Math.floor(ms * 1000), 3, '0');
 
   // Be nice to filenames and use .
   const delim = fileNameFriendly ? '.' : ':';