From bbfd415058dfa8a867b6c6fafc051259faa1aef3 Mon Sep 17 00:00:00 2001
From: ckaotik <ckaotik@gmail.com>
Date: Sat, 13 Mar 2021 11:27:11 +0100
Subject: [PATCH] Specify subtitle file extension

---
 youtube_dl/extractor/mediathekviewweb.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/youtube_dl/extractor/mediathekviewweb.py b/youtube_dl/extractor/mediathekviewweb.py
index 303655438..76cf258a1 100644
--- a/youtube_dl/extractor/mediathekviewweb.py
+++ b/youtube_dl/extractor/mediathekviewweb.py
@@ -182,6 +182,7 @@ class MediathekViewWebSearchIE(SearchInfoExtractor):
             if item.get('url_subtitle'):
                 video.setdefault('subtitles', {}).setdefault('de', []).append({
                     'url': item.get('url_subtitle'),
+                    'ext': 'ttml',
                 })
             entries.append(video)