From e02fd59f4310ac3fb2d3b5abb0378038dda8db6d Mon Sep 17 00:00:00 2001
From: AnimeDL <multidownloadernx@gmail.com>
Date: Sun, 16 Jul 2023 19:32:18 -0700
Subject: [PATCH] Add warning for pontially problematic subs

---
 modules/module.merger.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/module.merger.ts b/modules/module.merger.ts
index 76944ce..42a34bc 100644
--- a/modules/module.merger.ts
+++ b/modules/module.merger.ts
@@ -83,7 +83,11 @@ class Merger {
       const shortestDuration = vnas[0].duration;
       for (const [vnaIndex, vna] of vnas.entries()) {
         //Don't calculate the shortestDuration track
-        if (vnaIndex == 0) continue;
+        if (vnaIndex == 0) {
+          if (!vna.isPrimary && vna.isPrimary !== undefined) 
+            console.warn('Shortest video isn\'t primary, this might lead to problems with subtitles. Please report on github or discord if you experience issues.');
+          continue;
+        }
         if (vna.duration && shortestDuration) {
           //Calculate the tracks delay
           vna.delay = Math.ceil((vna.duration-shortestDuration) * 1000) / 1000;