From 4b99952e6cf9f767ec6dd5ff0ce89864a52fd703 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20H=C3=B6pfl?= <daniel@hoepfl.de>
Date: Wed, 13 Feb 2019 16:29:43 +0100
Subject: [PATCH] Fixes #18906: Fixes title extraction for vivo.sx.

---
 youtube_dl/extractor/shared.py | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/youtube_dl/extractor/shared.py b/youtube_dl/extractor/shared.py
index 931a0f70e..4326fc820 100644
--- a/youtube_dl/extractor/shared.py
+++ b/youtube_dl/extractor/shared.py
@@ -1,6 +1,11 @@
 from __future__ import unicode_literals
 
-from .common import InfoExtractor
+import re
+
+from .common import (
+    InfoExtractor,
+    unescapeHTML
+)
 from ..compat import compat_b64decode
 from ..utils import (
     ExtractorError,
@@ -22,8 +27,7 @@ class SharedBaseIE(InfoExtractor):
 
         video_url = self._extract_video_url(webpage, video_id, url)
 
-        title = compat_b64decode(self._html_search_meta(
-            'full:title', webpage, 'title')).decode('utf-8')
+        title = self._extract_title(webpage)
         filesize = int_or_none(self._html_search_meta(
             'full:size', webpage, 'file size', fatal=False))
 
@@ -35,6 +39,10 @@ class SharedBaseIE(InfoExtractor):
             'title': title,
         }
 
+    def _extract_title(self, webpage):
+        return compat_b64decode(self._html_search_meta(
+            'full:title', webpage, 'title')).decode('utf-8')
+
 
 class SharedIE(SharedBaseIE):
     IE_DESC = 'shared.sx'
@@ -86,6 +94,14 @@ class VivoIE(SharedBaseIE):
         },
     }
 
+    def _extract_title(self, webpage):
+        data_title = self._search_regex(
+            r'data-name\s*=\s*(["\'])(?P<title>(?:.(?!\1))*.)\1', webpage,
+            'title', default=None, group='title')
+        if data_title:
+            return unescapeHTML(re.sub(r"\.[a-z0-9]{3,4}$", "", data_title))
+        return None
+
     def _extract_video_url(self, webpage, video_id, *args):
         def decode_url(encoded_url):
             return compat_b64decode(encoded_url).decode('utf-8')