From cd01b8e6e20d8aa6f7f8bab65551934971f117f1 Mon Sep 17 00:00:00 2001
From: Willy-JL <willy.leslie@icloud.com>
Date: Thu, 25 Aug 2022 00:37:12 +0200
Subject: [PATCH] Revert to duration ratio for audio

---
 src/createFFmpeg.js | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/createFFmpeg.js b/src/createFFmpeg.js
index c8ce1fd458..0b805f49c4 100644
--- a/src/createFFmpeg.js
+++ b/src/createFFmpeg.js
@@ -58,14 +58,23 @@ module.exports = (_options = {}) => {
           readFrames = true;
         }
       } else if (readFrames && message.startsWith('    Stream')) {
-        const fps = parseFloat(message.match(/(\d+) fps/)[1]);
-        frames = duration * fps;
+        const match = message.match(/(\d+) fps/);
+        if (match) {
+          const fps = parseFloat(match[1]);
+          frames = duration * fps;
+        } else {
+          frames = 0;
+        };
         readFrames = false;
       } else if (message.startsWith('frame') || message.startsWith('size')) {
         const ts = message.split('time=')[1].split(' ')[0];
         const t = ts2sec(ts);
         const f = parseFloat(message.match(/frame=\s*(\d+)/)[1]);
-        ratio = Math.min(f / frames, 1);
+        if (frames) {
+          ratio = Math.min(f / frames, 1);
+        } else {
+          ratio = t / duration;
+        };
         prog({ ratio, time: t });
       } else if (message.startsWith('video:')) {
         prog({ ratio: 1 });