From 2ac8ea5e181372fd8344c1cf8d8c655e4e667b0a Mon Sep 17 00:00:00 2001
From: Parmjit Virk <pvirk@mts.net>
Date: Thu, 8 Jun 2017 17:59:23 -0500
Subject: [PATCH] [DrTuber] Fetch video URL from JSON stream (fixes issue
 #12058)

---
 youtube_dl/extractor/drtuber.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/youtube_dl/extractor/drtuber.py b/youtube_dl/extractor/drtuber.py
index 1eca82b3b..98b0962df 100644
--- a/youtube_dl/extractor/drtuber.py
+++ b/youtube_dl/extractor/drtuber.py
@@ -44,8 +44,15 @@ class DrTuberIE(InfoExtractor):
         webpage = self._download_webpage(
             'http://www.drtuber.com/video/%s' % video_id, display_id)
 
-        video_url = self._html_search_regex(
-            r'<source src="([^"]+)"', webpage, 'video URL')
+        # the video URL must be extracted from an external JSON stream
+        video_data = self._download_json(
+            'http://www.drtuber.com/player_config_json/?vid=%s&embed=0&aid=0&domain_id=0'
+            % video_id, video_id)
+        # is a high-quality video available?
+        video_url = video_data['files']['hq']
+        if video_url is None:
+            # nope - use the standard-quality video instead
+            video_url = video_data['files']['lq']
 
         title = self._html_search_regex(
             (r'class="title_watch"[^>]*><(?:p|h\d+)[^>]*>([^<]+)<',