From abad800058180da93f482915070aef12f8f63564 Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan.ytdlp@gmail.com>
Date: Tue, 26 Oct 2021 20:12:30 +0530
Subject: [PATCH] [downloader/ffmpeg] Fix vtt download with ffmpeg

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

diff --git a/yt_dlp/postprocessor/ffmpeg.py b/yt_dlp/postprocessor/ffmpeg.py
index 4a0a96427..b7fcc569b 100644
--- a/yt_dlp/postprocessor/ffmpeg.py
+++ b/yt_dlp/postprocessor/ffmpeg.py
@@ -41,6 +41,7 @@ EXT_TO_OUT_FORMATS = {
     'ts': 'mpegts',
     'wma': 'asf',
     'wmv': 'asf',
+    'vtt': 'webvtt',
 }
 ACODECS = {
     'mp3': 'libmp3lame',