From: Yen Chi Hsuan <yan12125@gmail.com>
Date: Sat, 20 Feb 2016 19:25:44 +0000 (+0800)
Subject: [postprocessor/embedthumbnail] Allow mkv to embed thumbnails
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=youtube-dl;a=commitdiff_plain;h=7360db05b43741c2dfa1fd024e9c2f013ed97c9e

[postprocessor/embedthumbnail] Allow mkv to embed thumbnails

Fixes #6046
---

diff --git a/youtube_dl/postprocessor/embedthumbnail.py b/youtube_dl/postprocessor/embedthumbnail.py
index e19dbf73d..3bad5a266 100644
--- a/youtube_dl/postprocessor/embedthumbnail.py
+++ b/youtube_dl/postprocessor/embedthumbnail.py
@@ -40,7 +40,7 @@ class EmbedThumbnailPP(FFmpegPostProcessor):
                 'Skipping embedding the thumbnail because the file is missing.')
             return [], info
 
-        if info['ext'] == 'mp3':
+        if info['ext'] in ('mp3', 'mkv'):
             options = [
                 '-c', 'copy', '-map', '0', '-map', '1',
                 '-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment="Cover (Front)"']