From 57f6ae434273db7b69bab631e6782a1498bcd846 Mon Sep 17 00:00:00 2001
From: 7x11x13 <x7x11x13@gmail.com>
Date: Fri, 27 Dec 2024 13:47:29 -0500
Subject: [PATCH] Error handling

---
 yt_dlp/postprocessor/ffmpeg.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/yt_dlp/postprocessor/ffmpeg.py b/yt_dlp/postprocessor/ffmpeg.py
index b29cd1d93..b029f1289 100644
--- a/yt_dlp/postprocessor/ffmpeg.py
+++ b/yt_dlp/postprocessor/ffmpeg.py
@@ -826,6 +826,8 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
         self.to_screen(f'Adding metadata to "{filename}"')
         try:
             f = mutagen.File(filename)
+            if f is None:
+                raise TypeError(f'Mutagen unable to determine type of file: {info["ext"]}')
             self._assemble_metadata(f, metadata)
             f.save()
         except Exception as err: