From 6483fbd336839c45a376d08d8f4a34e97d581e5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Sat, 28 Sep 2019 00:04:52 +0700
Subject: [PATCH] [vk] Fix extraction (closes #22522)

---
 youtube_dl/extractor/vk.py | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/youtube_dl/extractor/vk.py b/youtube_dl/extractor/vk.py
index f57ed2288..8b6dc0e24 100644
--- a/youtube_dl/extractor/vk.py
+++ b/youtube_dl/extractor/vk.py
@@ -403,8 +403,17 @@ def _real_extract(self, url):
             data = self._parse_json(
                 self._search_regex(
                     r'var\s+playerParams\s*=\s*({.+?})\s*;\s*\n', info_page,
-                    'player params'),
-                video_id)['params'][0]
+                    'player params', default='{}'),
+                video_id)
+            if data:
+                data = data['params'][0]
+
+        # <!--{...}
+        if not data:
+            data = self._parse_json(
+                self._search_regex(
+                    r'<!--\s*({.+})', info_page, 'payload'),
+                video_id)['payload'][-1][-1]['player']['params'][0]
 
         title = unescapeHTML(data['md_title'])