From 265a7a8ee59c1f60d8b5c541918ef4030c694b06 Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan.ytdlp@gmail.com>
Date: Sun, 5 Sep 2021 05:22:45 +0530
Subject: [PATCH] [redtube] Fix exts Closes #464

---
 yt_dlp/extractor/redtube.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/yt_dlp/extractor/redtube.py b/yt_dlp/extractor/redtube.py
index a1ca791ca..747ce5199 100644
--- a/yt_dlp/extractor/redtube.py
+++ b/yt_dlp/extractor/redtube.py
@@ -98,13 +98,14 @@ class RedTubeIE(InfoExtractor):
                 format_id = media.get('quality')
                 formats.append({
                     'url': format_url,
+                    'ext': 'mp4',
                     'format_id': format_id,
                     'height': int_or_none(format_id),
                 })
         if not formats:
             video_url = self._html_search_regex(
                 r'<source src="(.+?)" type="video/mp4">', webpage, 'video URL')
-            formats.append({'url': video_url})
+            formats.append({'url': video_url, 'ext': 'mp4'})
         self._sort_formats(formats)
 
         thumbnail = self._og_search_thumbnail(webpage)