From 5cf34021f502c56cb8436613400d7ef510f722cc Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan.ytdlp@gmail.com>
Date: Sun, 27 Mar 2022 04:52:11 +0530
Subject: [PATCH] [Concat] Ensure final directory exists

Fixes https://github.com/yt-dlp/yt-dlp/issues/3181#issuecomment-1079622589
---
 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 234ddeff06..ec618b0408 100644
--- a/yt_dlp/postprocessor/ffmpeg.py
+++ b/yt_dlp/postprocessor/ffmpeg.py
@@ -1129,6 +1129,8 @@ def __init__(self, downloader, only_multi_video=False):
         super().__init__(downloader)
 
     def concat_files(self, in_files, out_file):
+        if not self._downloader._ensure_dir_exists(out_file):
+            return
         if len(in_files) == 1:
             if os.path.realpath(in_files[0]) != os.path.realpath(out_file):
                 self.to_screen(f'Moving "{in_files[0]}" to "{out_file}"')