diff --git a/test/test_YoutubeDL.py b/test/test_YoutubeDL.py
index 6d02c2a54..a9e649191 100644
--- a/test/test_YoutubeDL.py
+++ b/test/test_YoutubeDL.py
@@ -919,6 +919,76 @@ def _real_extract(self, url):
         self.assertEqual(downloaded['extractor'], 'testex')
         self.assertEqual(downloaded['extractor_key'], 'TestEx')
 
+    # Test case for https://github.com/ytdl-org/youtube-dl/issues/27064
+    def test_ignoreerrors_for_playlist_with_url_transparent_iterable_entries(self):
+
+        class _YDL(YDL):
+            def __init__(self, *args, **kwargs):
+                super(_YDL, self).__init__(*args, **kwargs)
+
+            def trouble(self, s, tb=None):
+                pass
+
+        ydl = _YDL({
+            'format': 'extra',
+            'ignoreerrors': True,
+        })
+
+        class VideoIE(InfoExtractor):
+            _VALID_URL = r'video:(?P<id>\d+)'
+
+            def _real_extract(self, url):
+                video_id = self._match_id(url)
+                formats = [{
+                    'format_id': 'default',
+                    'url': 'url:',
+                }]
+                if video_id == '0':
+                    raise ExtractorError('foo')
+                if video_id == '2':
+                    formats.append({
+                        'format_id': 'extra',
+                        'url': TEST_URL,
+                    })
+                return {
+                    'id': video_id,
+                    'title': 'Video %s' % video_id,
+                    'formats': formats,
+                }
+
+        class PlaylistIE(InfoExtractor):
+            _VALID_URL = r'playlist:'
+
+            def _entries(self):
+                for n in range(3):
+                    video_id = compat_str(n)
+                    yield {
+                        '_type': 'url_transparent',
+                        'ie_key': VideoIE.ie_key(),
+                        'id': video_id,
+                        'url': 'video:%s' % video_id,
+                        'title': 'Video Transparent %s' % video_id,
+                    }
+
+            def _real_extract(self, url):
+                return self.playlist_result(self._entries())
+
+        ydl.add_info_extractor(VideoIE(ydl))
+        ydl.add_info_extractor(PlaylistIE(ydl))
+        info = ydl.extract_info('playlist:')
+        entries = info['entries']
+        self.assertEqual(len(entries), 3)
+        self.assertTrue(entries[0] is None)
+        self.assertTrue(entries[1] is None)
+        self.assertEqual(len(ydl.downloaded_info_dicts), 1)
+        downloaded = ydl.downloaded_info_dicts[0]
+        self.assertEqual(entries[2], downloaded)
+        self.assertEqual(downloaded['url'], TEST_URL)
+        self.assertEqual(downloaded['title'], 'Video Transparent 2')
+        self.assertEqual(downloaded['id'], '2')
+        self.assertEqual(downloaded['extractor'], 'Video')
+        self.assertEqual(downloaded['extractor_key'], 'Video')
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/youtube_dlc/YoutubeDL.py b/youtube_dlc/YoutubeDL.py
index 3c2970d9f..ef6fe0a78 100644
--- a/youtube_dlc/YoutubeDL.py
+++ b/youtube_dlc/YoutubeDL.py
@@ -830,34 +830,23 @@ def extract_info(self, url, download=True, ie_key=None, info_dict=None, extra_in
                                     'and will probably not work.')
 
             try:
-                try:
-                    temp_id = ie.extract_id(url) if callable(getattr(ie, 'extract_id', None)) else ie._match_id(url)
-                except (AssertionError, IndexError, AttributeError):
-                    temp_id = None
-                if temp_id is not None and self.in_download_archive({'id': temp_id, 'ie_key': ie_key}):
-                    self.to_screen("[%s] %s: has already been recorded in archive" % (
-                                   ie_key, temp_id))
-                    break
+                temp_id = ie.extract_id(url) if callable(getattr(ie, 'extract_id', None)) else ie._match_id(url)
+            except (AssertionError, IndexError, AttributeError):
+                temp_id = None
+            if temp_id is not None and self.in_download_archive({'id': temp_id, 'ie_key': ie_key}):
+                self.to_screen("[%s] %s: has already been recorded in archive" % (
+                               ie_key, temp_id))
+                break
 
-                ie_result = ie.extract(url)
-                if ie_result is None:  # Finished already (backwards compatibility; listformats and friends should be moved here)
-                    break
-                if isinstance(ie_result, list):
-                    # Backwards compatibility: old IE result format
-                    ie_result = {
-                        '_type': 'compat_list',
-                        'entries': ie_result,
-                    }
-                if info_dict:
-                    if info_dict.get('id'):
-                        ie_result['id'] = info_dict['id']
-                    if info_dict.get('title'):
-                        ie_result['title'] = info_dict['title']
-                self.add_default_extra_info(ie_result, ie, url)
-                if process:
-                    return self.process_ie_result(ie_result, download, extra_info)
-                else:
-                    return ie_result
+            return self.__extract_info(url, ie, download, extra_info, process, info_dict)
+
+        else:
+            self.report_error('no suitable InfoExtractor for URL %s' % url)
+
+    def __handle_extraction_exceptions(func):
+        def wrapper(self, *args, **kwargs):
+            try:
+                return func(self, *args, **kwargs)
             except GeoRestrictedError as e:
                 msg = e.msg
                 if e.countries:
@@ -865,20 +854,38 @@ def extract_info(self, url, download=True, ie_key=None, info_dict=None, extra_in
                         map(ISO3166Utils.short2full, e.countries))
                 msg += '\nYou might want to use a VPN or a proxy server (with --proxy) to workaround.'
                 self.report_error(msg)
-                break
             except ExtractorError as e:  # An error we somewhat expected
                 self.report_error(compat_str(e), e.format_traceback())
-                break
             except MaxDownloadsReached:
                 raise
             except Exception as e:
                 if self.params.get('ignoreerrors', False):
                     self.report_error(error_to_compat_str(e), tb=encode_compat_str(traceback.format_exc()))
-                    break
                 else:
                     raise
+        return wrapper
+
+    @__handle_extraction_exceptions
+    def __extract_info(self, url, ie, download, extra_info, process, info_dict):
+        ie_result = ie.extract(url)
+        if ie_result is None:  # Finished already (backwards compatibility; listformats and friends should be moved here)
+            return
+        if isinstance(ie_result, list):
+            # Backwards compatibility: old IE result format
+            ie_result = {
+                '_type': 'compat_list',
+                'entries': ie_result,
+            }
+        if info_dict:
+            if info_dict.get('id'):
+                ie_result['id'] = info_dict['id']
+            if info_dict.get('title'):
+                ie_result['title'] = info_dict['title']
+        self.add_default_extra_info(ie_result, ie, url)
+        if process:
+            return self.process_ie_result(ie_result, download, extra_info)
         else:
-            self.report_error('no suitable InfoExtractor for URL %s' % url)
+            return ie_result
 
     def add_default_extra_info(self, ie_result, ie, url):
         self.add_extra_info(ie_result, {
@@ -1057,9 +1064,8 @@ def report_download(num_entries):
                         self.to_screen('[download] ' + reason)
                         continue
 
-                entry_result = self.process_ie_result(entry,
-                                                      download=download,
-                                                      extra_info=extra)
+                entry_result = self.__process_iterable_entry(entry, download, extra)
+                # TODO: skip failed (empty) entries?
                 playlist_results.append(entry_result)
             ie_result['entries'] = playlist_results
             self.to_screen('[download] Finished downloading playlist: %s' % playlist)
@@ -1088,6 +1094,11 @@ def _fixup(r):
         else:
             raise Exception('Invalid result type: %s' % result_type)
 
+    @__handle_extraction_exceptions
+    def __process_iterable_entry(self, entry, download, extra_info):
+        return self.process_ie_result(
+            entry, download=download, extra_info=extra_info)
+
     def _build_format_filter(self, filter_spec):
         " Returns a function to filter the formats according to the filter_spec "
 
diff --git a/youtube_dlc/downloader/http.py b/youtube_dlc/downloader/http.py
index 96379caf1..d8ac41dcc 100644
--- a/youtube_dlc/downloader/http.py
+++ b/youtube_dlc/downloader/http.py
@@ -109,7 +109,9 @@ def establish_connection():
                 try:
                     ctx.data = self.ydl.urlopen(request)
                 except (compat_urllib_error.URLError, ) as err:
-                    if isinstance(err.reason, socket.timeout):
+                    # reason may not be available, e.g. for urllib2.HTTPError on python 2.6
+                    reason = getattr(err, 'reason', None)
+                    if isinstance(reason, socket.timeout):
                         raise RetryDownload(err)
                     raise err
                 # When trying to resume, Content-Range HTTP header of response has to be checked
diff --git a/youtube_dlc/extractor/amara.py b/youtube_dlc/extractor/amara.py
new file mode 100644
index 000000000..61d469574
--- /dev/null
+++ b/youtube_dlc/extractor/amara.py
@@ -0,0 +1,103 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from .youtube import YoutubeIE
+from .vimeo import VimeoIE
+from ..utils import (
+    int_or_none,
+    parse_iso8601,
+    update_url_query,
+)
+
+
+class AmaraIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?amara\.org/(?:\w+/)?videos/(?P<id>\w+)'
+    _TESTS = [{
+        # Youtube
+        'url': 'https://amara.org/en/videos/jVx79ZKGK1ky/info/why-jury-trials-are-becoming-less-common/?tab=video',
+        'md5': 'ea10daf2b6154b8c1ecf9922aca5e8ae',
+        'info_dict': {
+            'id': 'h6ZuVdvYnfE',
+            'ext': 'mp4',
+            'title': 'Why jury trials are becoming less common',
+            'description': 'md5:a61811c319943960b6ab1c23e0cbc2c1',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'subtitles': dict,
+            'upload_date': '20160813',
+            'uploader': 'PBS NewsHour',
+            'uploader_id': 'PBSNewsHour',
+            'timestamp': 1549639570,
+        }
+    }, {
+        # Vimeo
+        'url': 'https://amara.org/en/videos/kYkK1VUTWW5I/info/vimeo-at-ces-2011',
+        'md5': '99392c75fa05d432a8f11df03612195e',
+        'info_dict': {
+            'id': '18622084',
+            'ext': 'mov',
+            'title': 'Vimeo at CES 2011!',
+            'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'subtitles': dict,
+            'timestamp': 1294763658,
+            'upload_date': '20110111',
+            'uploader': 'Sam Morrill',
+            'uploader_id': 'sammorrill'
+        }
+    }, {
+        # Direct Link
+        'url': 'https://amara.org/en/videos/s8KL7I3jLmh6/info/the-danger-of-a-single-story/',
+        'md5': 'd3970f08512738ee60c5807311ff5d3f',
+        'info_dict': {
+            'id': 's8KL7I3jLmh6',
+            'ext': 'mp4',
+            'title': 'The danger of a single story',
+            'description': 'md5:d769b31139c3b8bb5be9177f62ea3f23',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'subtitles': dict,
+            'upload_date': '20091007',
+            'timestamp': 1254942511,
+        }
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        meta = self._download_json(
+            'https://amara.org/api/videos/%s/' % video_id,
+            video_id, query={'format': 'json'})
+        title = meta['title']
+        video_url = meta['all_urls'][0]
+
+        subtitles = {}
+        for language in (meta.get('languages') or []):
+            subtitles_uri = language.get('subtitles_uri')
+            if not (subtitles_uri and language.get('published')):
+                continue
+            subtitle = subtitles.setdefault(language.get('code') or 'en', [])
+            for f in ('json', 'srt', 'vtt'):
+                subtitle.append({
+                    'ext': f,
+                    'url': update_url_query(subtitles_uri, {'format': f}),
+                })
+
+        info = {
+            'url': video_url,
+            'id': video_id,
+            'subtitles': subtitles,
+            'title': title,
+            'description': meta.get('description'),
+            'thumbnail': meta.get('thumbnail'),
+            'duration': int_or_none(meta.get('duration')),
+            'timestamp': parse_iso8601(meta.get('created')),
+        }
+
+        for ie in (YoutubeIE, VimeoIE):
+            if ie.suitable(video_url):
+                info.update({
+                    '_type': 'url_transparent',
+                    'ie_key': ie.ie_key(),
+                })
+                break
+
+        return info
diff --git a/youtube_dlc/extractor/discoverynetworks.py b/youtube_dlc/extractor/discoverynetworks.py
index 607a54948..c512b95d0 100644
--- a/youtube_dlc/extractor/discoverynetworks.py
+++ b/youtube_dlc/extractor/discoverynetworks.py
@@ -7,7 +7,7 @@
 
 
 class DiscoveryNetworksDeIE(DPlayIE):
-    _VALID_URL = r'https?://(?:www\.)?(?P<domain>(?:tlc|dmax)\.de|dplay\.co\.uk)/(?:programme|show)/(?P<programme>[^/]+)/video/(?P<alternate_id>[^/]+)'
+    _VALID_URL = r'https?://(?:www\.)?(?P<domain>(?:tlc|dmax)\.de|dplay\.co\.uk)/(?:programme|show|sendungen)/(?P<programme>[^/]+)/(?:video/)?(?P<alternate_id>[^/]+)'
 
     _TESTS = [{
         'url': 'https://www.tlc.de/programme/breaking-amish/video/die-welt-da-drauen/DCB331270001100',
@@ -29,6 +29,9 @@ class DiscoveryNetworksDeIE(DPlayIE):
     }, {
         'url': 'https://www.dplay.co.uk/show/ghost-adventures/video/hotel-leger-103620/EHD_280313B',
         'only_matching': True,
+    }, {
+        'url': 'https://tlc.de/sendungen/breaking-amish/die-welt-da-drauen/',
+        'only_matching': True,
     }]
 
     def _real_extract(self, url):
diff --git a/youtube_dlc/extractor/extractors.py b/youtube_dlc/extractor/extractors.py
index ee52492dc..e1612d953 100644
--- a/youtube_dlc/extractor/extractors.py
+++ b/youtube_dlc/extractor/extractors.py
@@ -36,6 +36,7 @@
 from .airmozilla import AirMozillaIE
 from .aljazeera import AlJazeeraIE
 from .alphaporno import AlphaPornoIE
+from .amara import AmaraIE
 from .alura import (
     AluraIE,
     AluraCourseIE
diff --git a/youtube_dlc/extractor/francetv.py b/youtube_dlc/extractor/francetv.py
index dbedfc091..ab0df1bed 100644
--- a/youtube_dlc/extractor/francetv.py
+++ b/youtube_dlc/extractor/francetv.py
@@ -211,7 +211,7 @@ def sign(manifest_url, manifest_id):
             'id': video_id,
             'title': self._live_title(title) if is_live else title,
             'description': clean_html(info.get('synopsis')),
-            'thumbnail': urljoin('http://pluzz.francetv.fr', info.get('image')),
+            'thumbnail': urljoin('https://sivideo.webservices.francetelevisions.fr', info.get('image')),
             'duration': int_or_none(info.get('real_duration')) or parse_duration(info.get('duree')),
             'timestamp': int_or_none(try_get(info, lambda x: x['diffusion']['timestamp'])),
             'is_live': is_live,
diff --git a/youtube_dlc/extractor/googledrive.py b/youtube_dlc/extractor/googledrive.py
index ec0d58a57..fdb15795a 100644
--- a/youtube_dlc/extractor/googledrive.py
+++ b/youtube_dlc/extractor/googledrive.py
@@ -3,11 +3,13 @@
 import re
 
 from .common import InfoExtractor
+from ..compat import compat_parse_qs
 from ..utils import (
     determine_ext,
     ExtractorError,
     int_or_none,
     lowercase_escape,
+    try_get,
     update_url_query,
 )
 
@@ -38,21 +40,10 @@ class GoogleDriveIE(InfoExtractor):
         # video can't be watched anonymously due to view count limit reached,
         # but can be downloaded (see https://github.com/ytdl-org/youtube-dl/issues/14046)
         'url': 'https://drive.google.com/file/d/0B-vUyvmDLdWDcEt4WjBqcmI2XzQ/view',
-        'md5': 'bfbd670d03a470bb1e6d4a257adec12e',
-        'info_dict': {
-            'id': '0B-vUyvmDLdWDcEt4WjBqcmI2XzQ',
-            'ext': 'mp4',
-            'title': 'Annabelle Creation (2017)- Z.V1 [TH].MP4',
-        }
+        'only_matching': True,
     }, {
         # video id is longer than 28 characters
         'url': 'https://drive.google.com/file/d/1ENcQ_jeCuj7y19s66_Ou9dRP4GKGsodiDQ/edit',
-        'info_dict': {
-            'id': '1ENcQ_jeCuj7y19s66_Ou9dRP4GKGsodiDQ',
-            'ext': 'mp4',
-            'title': 'Andreea Banica feat Smiley - Hooky Song (Official Video).mp4',
-            'duration': 189,
-        },
         'only_matching': True,
     }, {
         'url': 'https://drive.google.com/open?id=0B2fjwgkl1A_CX083Tkowdmt6d28',
@@ -171,23 +162,21 @@ def _get_automatic_captions(self, video_id, subtitles_id, hl):
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
-        webpage = self._download_webpage(
-            'http://docs.google.com/file/d/%s' % video_id, video_id)
+        video_info = compat_parse_qs(self._download_webpage(
+            'https://drive.google.com/get_video_info',
+            video_id, query={'docid': video_id}))
+
+        def get_value(key):
+            return try_get(video_info, lambda x: x[key][0])
 
-        title = self._search_regex(
-            r'"title"\s*,\s*"([^"]+)', webpage, 'title',
-            default=None) or self._og_search_title(webpage)
-        duration = int_or_none(self._search_regex(
-            r'"length_seconds"\s*,\s*"([^"]+)', webpage, 'length seconds',
-            default=None))
+        reason = get_value('reason')
+        title = get_value('title')
+        if not title and reason:
+            raise ExtractorError(reason, expected=True)
 
         formats = []
-        fmt_stream_map = self._search_regex(
-            r'"fmt_stream_map"\s*,\s*"([^"]+)', webpage,
-            'fmt stream map', default='').split(',')
-        fmt_list = self._search_regex(
-            r'"fmt_list"\s*,\s*"([^"]+)', webpage,
-            'fmt_list', default='').split(',')
+        fmt_stream_map = (get_value('fmt_stream_map') or '').split(',')
+        fmt_list = (get_value('fmt_list') or '').split(',')
         if fmt_stream_map and fmt_list:
             resolutions = {}
             for fmt in fmt_list:
@@ -257,19 +246,14 @@ def add_source_format(urlh):
                         if urlh and urlh.headers.get('Content-Disposition'):
                             add_source_format(urlh)
 
-        if not formats:
-            reason = self._search_regex(
-                r'"reason"\s*,\s*"([^"]+)', webpage, 'reason', default=None)
-            if reason:
-                raise ExtractorError(reason, expected=True)
+        if not formats and reason:
+            raise ExtractorError(reason, expected=True)
 
         self._sort_formats(formats)
 
-        hl = self._search_regex(
-            r'"hl"\s*,\s*"([^"]+)', webpage, 'hl', default=None)
+        hl = get_value('hl')
         subtitles_id = None
-        ttsurl = self._search_regex(
-            r'"ttsurl"\s*,\s*"([^"]+)', webpage, 'ttsurl', default=None)
+        ttsurl = get_value('ttsurl')
         if ttsurl:
             # the video Id for subtitles will be the last value in the ttsurl
             # query string
@@ -281,8 +265,8 @@ def add_source_format(urlh):
         return {
             'id': video_id,
             'title': title,
-            'thumbnail': self._og_search_thumbnail(webpage, default=None),
-            'duration': duration,
+            'thumbnail': 'https://drive.google.com/thumbnail?id=' + video_id,
+            'duration': int_or_none(get_value('length_seconds')),
             'formats': formats,
             'subtitles': self.extract_subtitles(video_id, subtitles_id, hl),
             'automatic_captions': self.extract_automatic_captions(
diff --git a/youtube_dlc/extractor/infoq.py b/youtube_dlc/extractor/infoq.py
index 18249cf9b..0a70a1fb4 100644
--- a/youtube_dlc/extractor/infoq.py
+++ b/youtube_dlc/extractor/infoq.py
@@ -54,7 +54,7 @@ class InfoQIE(BokeCCBaseIE):
 
     def _extract_rtmp_video(self, webpage):
         # The server URL is hardcoded
-        video_url = 'rtmpe://video.infoq.com/cfx/st/'
+        video_url = 'rtmpe://videof.infoq.com/cfx/st/'
 
         # Extract video URL
         encoded_id = self._search_regex(
@@ -86,17 +86,18 @@ def _extract_http_video(self, webpage):
         return [{
             'format_id': 'http_video',
             'url': http_video_url,
+            'http_headers': {'Referer': 'https://www.infoq.com/'},
         }]
 
     def _extract_http_audio(self, webpage, video_id):
-        fields = self._hidden_inputs(webpage)
+        fields = self._form_hidden_inputs('mp3Form', webpage)
         http_audio_url = fields.get('filename')
         if not http_audio_url:
             return []
 
         # base URL is found in the Location header in the response returned by
         # GET https://www.infoq.com/mp3download.action?filename=... when logged in.
-        http_audio_url = compat_urlparse.urljoin('http://res.infoq.com/downloads/mp3downloads/', http_audio_url)
+        http_audio_url = compat_urlparse.urljoin('http://ress.infoq.com/downloads/mp3downloads/', http_audio_url)
         http_audio_url = update_url_query(http_audio_url, self._extract_cf_auth(webpage))
 
         # audio file seem to be missing some times even if there is a download link
diff --git a/youtube_dlc/extractor/rai.py b/youtube_dlc/extractor/rai.py
index a0836bf58..5eef7c633 100644
--- a/youtube_dlc/extractor/rai.py
+++ b/youtube_dlc/extractor/rai.py
@@ -16,8 +16,9 @@
     GeoRestrictedError,
     int_or_none,
     parse_duration,
+    remove_start,
     strip_or_none,
-    unescapeHTML,
+    try_get,
     unified_strdate,
     unified_timestamp,
     update_url_query,
@@ -67,7 +68,7 @@ def _extract_relinker_info(self, relinker_url, video_id):
 
             # This does not imply geo restriction (e.g.
             # http://www.raisport.rai.it/dl/raiSport/media/rassegna-stampa-04a9f4bd-b563-40cf-82a6-aad3529cb4a9.html)
-            if media_url == 'http://download.rai.it/video_no_available.mp4':
+            if '/video_no_available.mp4' in media_url:
                 continue
 
             ext = determine_ext(media_url)
@@ -122,27 +123,8 @@ def _extract_subtitles(url, subtitle_url):
 
 
 class RaiPlayIE(RaiBaseIE):
-    _VALID_URL = r'(?P<url>https?://(?:www\.)?raiplay\.it/.+?-(?P<id>%s)\.(?:html|json))' % RaiBaseIE._UUID_RE
+    _VALID_URL = r'(?P<base>https?://(?:www\.)?raiplay\.it/.+?-(?P<id>%s))\.(?:html|json)' % RaiBaseIE._UUID_RE
     _TESTS = [{
-        'url': 'http://www.raiplay.it/video/2016/10/La-Casa-Bianca-e06118bb-59a9-4636-b914-498e4cfd2c66.html?source=twitter',
-        'md5': '340aa3b7afb54bfd14a8c11786450d76',
-        'info_dict': {
-            'id': 'e06118bb-59a9-4636-b914-498e4cfd2c66',
-            'ext': 'mp4',
-            'title': 'La Casa Bianca',
-            'alt_title': 'S2016 - Puntata del 23/10/2016',
-            'description': 'md5:a09d45890850458077d1f68bb036e0a5',
-            'thumbnail': r're:^https?://.*\.jpg$',
-            'uploader': 'Rai 3',
-            'creator': 'Rai 3',
-            'duration': 3278,
-            'timestamp': 1477764300,
-            'upload_date': '20161029',
-            'series': 'La Casa Bianca',
-            'season': '2016',
-        },
-        'skip': 'This content is not available',
-    }, {
         'url': 'http://www.raiplay.it/video/2014/04/Report-del-07042014-cb27157f-9dd0-4aee-b788-b1f67643a391.html',
         'md5': '8970abf8caf8aef4696e7b1f2adfc696',
         'info_dict': {
@@ -166,10 +148,10 @@ class RaiPlayIE(RaiBaseIE):
     }]
 
     def _real_extract(self, url):
-        url, video_id = re.match(self._VALID_URL, url).groups()
+        base, video_id = re.match(self._VALID_URL, url).groups()
 
         media = self._download_json(
-            url.replace('.html', '.json'), video_id, 'Downloading video JSON')
+            base + '.json', video_id, 'Downloading video JSON')
 
         title = media['name']
         video = media['video']
@@ -195,7 +177,8 @@ def _real_extract(self, url):
         season = media.get('season')
 
         info = {
-            'id': video_id,
+            'id': remove_start(media.get('id'), 'ContentItem-') or video_id,
+            'display_id': video_id,
             'title': self._live_title(title) if relinker_info.get(
                 'is_live') else title,
             'alt_title': strip_or_none(media.get('subtitle')),
@@ -217,16 +200,16 @@ def _real_extract(self, url):
         return info
 
 
-class RaiPlayLiveIE(RaiBaseIE):
-    _VALID_URL = r'https?://(?:www\.)?raiplay\.it/dirette/(?P<id>[^/?#&]+)'
-    _TEST = {
+class RaiPlayLiveIE(RaiPlayIE):
+    _VALID_URL = r'(?P<base>https?://(?:www\.)?raiplay\.it/dirette/(?P<id>[^/?#&]+))'
+    _TESTS = [{
         'url': 'http://www.raiplay.it/dirette/rainews24',
         'info_dict': {
             'id': 'd784ad40-e0ae-4a69-aa76-37519d238a9c',
             'display_id': 'rainews24',
             'ext': 'mp4',
             'title': 're:^Diretta di Rai News 24 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
-            'description': 'md5:6eca31500550f9376819f174e5644754',
+            'description': 'md5:4d00bcf6dc98b27c6ec480de329d1497',
             'uploader': 'Rai News 24',
             'creator': 'Rai News 24',
             'is_live': True,
@@ -234,58 +217,50 @@ class RaiPlayLiveIE(RaiBaseIE):
         'params': {
             'skip_download': True,
         },
-    }
-
-    def _real_extract(self, url):
-        display_id = self._match_id(url)
-
-        webpage = self._download_webpage(url, display_id)
-
-        video_id = self._search_regex(
-            r'data-uniquename=["\']ContentItem-(%s)' % RaiBaseIE._UUID_RE,
-            webpage, 'content id')
-
-        return {
-            '_type': 'url_transparent',
-            'ie_key': RaiPlayIE.ie_key(),
-            'url': 'http://www.raiplay.it/dirette/ContentItem-%s.html' % video_id,
-            'id': video_id,
-            'display_id': display_id,
-        }
+    }]
 
 
 class RaiPlayPlaylistIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?raiplay\.it/programmi/(?P<id>[^/?#&]+)'
+    _VALID_URL = r'(?P<base>https?://(?:www\.)?raiplay\.it/programmi/(?P<id>[^/?#&]+))'
     _TESTS = [{
         'url': 'http://www.raiplay.it/programmi/nondirloalmiocapo/',
         'info_dict': {
             'id': 'nondirloalmiocapo',
             'title': 'Non dirlo al mio capo',
-            'description': 'md5:9f3d603b2947c1c7abb098f3b14fac86',
+            'description': 'md5:98ab6b98f7f44c2843fd7d6f045f153b',
         },
         'playlist_mincount': 12,
     }]
 
     def _real_extract(self, url):
-        playlist_id = self._match_id(url)
+        base, playlist_id = re.match(self._VALID_URL, url).groups()
 
-        webpage = self._download_webpage(url, playlist_id)
-
-        title = self._html_search_meta(
-            ('programma', 'nomeProgramma'), webpage, 'title')
-        description = unescapeHTML(self._html_search_meta(
-            ('description', 'og:description'), webpage, 'description'))
+        program = self._download_json(
+            base + '.json', playlist_id, 'Downloading program JSON')
 
         entries = []
-        for mobj in re.finditer(
-                r'<a\b[^>]+\bhref=(["\'])(?P<path>/raiplay/video/.+?)\1',
-                webpage):
-            video_url = urljoin(url, mobj.group('path'))
-            entries.append(self.url_result(
-                video_url, ie=RaiPlayIE.ie_key(),
-                video_id=RaiPlayIE._match_id(video_url)))
-
-        return self.playlist_result(entries, playlist_id, title, description)
+        for b in (program.get('blocks') or []):
+            for s in (b.get('sets') or []):
+                s_id = s.get('id')
+                if not s_id:
+                    continue
+                medias = self._download_json(
+                    '%s/%s.json' % (base, s_id), s_id,
+                    'Downloading content set JSON', fatal=False)
+                if not medias:
+                    continue
+                for m in (medias.get('items') or []):
+                    path_id = m.get('path_id')
+                    if not path_id:
+                        continue
+                    video_url = urljoin(url, path_id)
+                    entries.append(self.url_result(
+                        video_url, ie=RaiPlayIE.ie_key(),
+                        video_id=RaiPlayIE._match_id(video_url)))
+
+        return self.playlist_result(
+            entries, playlist_id, program.get('name'),
+            try_get(program, lambda x: x['program_info']['description']))
 
 
 class RaiIE(RaiBaseIE):
@@ -328,19 +303,6 @@ class RaiIE(RaiBaseIE):
             'duration': 2214,
             'upload_date': '20161103',
         }
-    }, {
-        # drawMediaRaiTV(...)
-        'url': 'http://www.report.rai.it/dl/Report/puntata/ContentItem-0c7a664b-d0f4-4b2c-8835-3f82e46f433e.html',
-        'md5': '2dd727e61114e1ee9c47f0da6914e178',
-        'info_dict': {
-            'id': '59d69d28-6bb6-409d-a4b5-ed44096560af',
-            'ext': 'mp4',
-            'title': 'Il pacco',
-            'description': 'md5:4b1afae1364115ce5d78ed83cd2e5b3a',
-            'thumbnail': r're:^https?://.*\.jpg$',
-            'upload_date': '20141221',
-        },
-        'skip': 'This content is not available',
     }, {
         # initEdizione('ContentItem-...'
         'url': 'http://www.tg1.rai.it/dl/tg1/2010/edizioni/ContentSet-9b6e0cba-4bef-4aef-8cf0-9f7f665b7dfb-tg1.html?item=undefined',
@@ -352,18 +314,6 @@ class RaiIE(RaiBaseIE):
             'upload_date': '20170401',
         },
         'skip': 'Changes daily',
-    }, {
-        # HDS live stream with only relinker URL
-        'url': 'http://www.rai.tv/dl/RaiTV/dirette/PublishingBlock-1912dbbf-3f96-44c3-b4cf-523681fbacbc.html?channel=EuroNews',
-        'info_dict': {
-            'id': '1912dbbf-3f96-44c3-b4cf-523681fbacbc',
-            'ext': 'flv',
-            'title': 'EuroNews',
-        },
-        'params': {
-            'skip_download': True,
-        },
-        'skip': 'This content is available only in Italy',
     }, {
         # HLS live stream with ContentItem in og:url
         'url': 'http://www.rainews.it/dl/rainews/live/ContentItem-3156f2f2-dc70-4953-8e2f-70d7489d4ce9.html',
@@ -473,7 +423,7 @@ def _real_extract(self, url):
             except ExtractorError:
                 pass
 
-        relinker_url = self._search_regex(
+        relinker_url = self._proto_relative_url(self._search_regex(
             r'''(?x)
                 (?:
                     var\s+videoURL|
@@ -485,7 +435,7 @@ def _real_extract(self, url):
                     //mediapolis(?:vod)?\.rai\.it/relinker/relinkerServlet\.htm\?
                     (?:(?!\1).)*\bcont=(?:(?!\1).)+)\1
             ''',
-            webpage, 'relinker URL', group='url')
+            webpage, 'relinker URL', group='url'))
 
         relinker_info = self._extract_relinker_info(
             urljoin(url, relinker_url), video_id)
diff --git a/youtube_dlc/extractor/viki.py b/youtube_dlc/extractor/viki.py
index 6bddf8be9..2e3794344 100644
--- a/youtube_dlc/extractor/viki.py
+++ b/youtube_dlc/extractor/viki.py
@@ -1,6 +1,7 @@
 # coding: utf-8
 from __future__ import unicode_literals
 
+import base64
 import hashlib
 import hmac
 import itertools
@@ -9,6 +10,10 @@
 import time
 
 from .common import InfoExtractor
+from ..compat import (
+    compat_parse_qs,
+    compat_urllib_parse_urlparse,
+)
 from ..utils import (
     ExtractorError,
     int_or_none,
@@ -166,19 +171,20 @@ class VikiIE(VikiBaseIE):
     }, {
         # episode
         'url': 'http://www.viki.com/videos/44699v-boys-over-flowers-episode-1',
-        'md5': '5fa476a902e902783ac7a4d615cdbc7a',
+        'md5': '94e0e34fd58f169f40c184f232356cfe',
         'info_dict': {
             'id': '44699v',
             'ext': 'mp4',
             'title': 'Boys Over Flowers - Episode 1',
             'description': 'md5:b89cf50038b480b88b5b3c93589a9076',
-            'duration': 4204,
+            'duration': 4172,
             'timestamp': 1270496524,
             'upload_date': '20100405',
             'uploader': 'group8',
             'like_count': int,
             'age_limit': 13,
-        }
+        },
+        'expected_warnings': ['Unknown MIME type image/jpeg in DASH manifest'],
     }, {
         # youtube external
         'url': 'http://www.viki.com/videos/50562v-poor-nastya-complete-episode-1',
@@ -195,14 +201,15 @@ class VikiIE(VikiBaseIE):
             'uploader_id': 'ad14065n',
             'like_count': int,
             'age_limit': 13,
-        }
+        },
+        'skip': 'Page not found!',
     }, {
         'url': 'http://www.viki.com/player/44699v',
         'only_matching': True,
     }, {
         # non-English description
         'url': 'http://www.viki.com/videos/158036v-love-in-magic',
-        'md5': '1713ae35df5a521b31f6dc40730e7c9c',
+        'md5': 'adf9e321a0ae5d0aace349efaaff7691',
         'info_dict': {
             'id': '158036v',
             'ext': 'mp4',
@@ -218,71 +225,11 @@ class VikiIE(VikiBaseIE):
     def _real_extract(self, url):
         video_id = self._match_id(url)
 
-        video = self._call_api(
-            'videos/%s.json' % video_id, video_id, 'Downloading video JSON')
-
-        streams = self._call_api(
-            'videos/%s/streams.json' % video_id, video_id,
-            'Downloading video streams JSON')
-
-        formats = []
-        for format_id, stream_dict in streams.items():
-            height = int_or_none(self._search_regex(
-                r'^(\d+)[pP]$', format_id, 'height', default=None))
-            for protocol, format_dict in stream_dict.items():
-                # rtmps URLs does not seem to work
-                if protocol == 'rtmps':
-                    continue
-                format_url = format_dict.get('url')
-                format_drms = format_dict.get('drms')
-                format_stream_id = format_dict.get('id')
-                if format_id == 'm3u8':
-                    m3u8_formats = self._extract_m3u8_formats(
-                        format_url, video_id, 'mp4',
-                        entry_protocol='m3u8_native',
-                        m3u8_id='m3u8-%s' % protocol, fatal=False)
-                    # Despite CODECS metadata in m3u8 all video-only formats
-                    # are actually video+audio
-                    for f in m3u8_formats:
-                        if f.get('acodec') == 'none' and f.get('vcodec') != 'none':
-                            f['acodec'] = None
-                    formats.extend(m3u8_formats)
-                elif format_id == 'mpd':
-                    mpd_formats = self._extract_mpd_formats(
-                        format_url, video_id,
-                        mpd_id='mpd-%s' % protocol, fatal=False)
-                    formats.extend(mpd_formats)
-                elif format_id == 'mpd':
-
-                    formats.extend(mpd_formats)
-                elif format_url.startswith('rtmp'):
-                    mobj = re.search(
-                        r'^(?P<url>rtmp://[^/]+/(?P<app>.+?))/(?P<playpath>mp4:.+)$',
-                        format_url)
-                    if not mobj:
-                        continue
-                    formats.append({
-                        'format_id': 'rtmp-%s' % format_id,
-                        'ext': 'flv',
-                        'url': mobj.group('url'),
-                        'play_path': mobj.group('playpath'),
-                        'app': mobj.group('app'),
-                        'page_url': url,
-                        'drms': format_drms,
-                        'stream_id': format_stream_id,
-                    })
-                else:
-                    urlh = self._request_webpage(
-                        HEADRequest(format_url), video_id, 'Checking file size', fatal=False)
-                    formats.append({
-                        'url': format_url,
-                        'format_id': '%s-%s' % (format_id, protocol),
-                        'height': height,
-                        'drms': format_drms,
-                        'stream_id': format_stream_id,
-                        'filesize': int_or_none(urlh.headers.get('Content-Length')),
-                    })
-        self._sort_formats(formats)
+        resp = self._download_json(
+            'https://www.viki.com/api/videos/' + video_id,
+            video_id, 'Downloading video JSON',
+            headers={'x-viki-app-ver': '4.0.57'})
+        video = resp['video']
 
         self._check_errors(video)
 
@@ -342,12 +289,84 @@ def _real_extract(self, url):
             'subtitles': subtitles,
         }
 
-        if 'external' in streams:
-            result.update({
-                '_type': 'url_transparent',
-                'url': streams['external']['url'],
-            })
-            return result
+        formats = []
+
+        def add_format(format_id, format_dict, protocol='http'):
+            # rtmps URLs does not seem to work
+            if protocol == 'rtmps':
+                return
+            format_url = format_dict.get('url')
+            if not format_url:
+                return
+            format_drms = format_dict.get('drms')
+            format_stream_id = format_dict.get('id')
+            qs = compat_parse_qs(compat_urllib_parse_urlparse(format_url).query)
+            stream = qs.get('stream', [None])[0]
+            if stream:
+                format_url = base64.b64decode(stream).decode()
+            if format_id in ('m3u8', 'hls'):
+                m3u8_formats = self._extract_m3u8_formats(
+                    format_url, video_id, 'mp4',
+                    entry_protocol='m3u8_native',
+                    m3u8_id='m3u8-%s' % protocol, fatal=False)
+                # Despite CODECS metadata in m3u8 all video-only formats
+                # are actually video+audio
+                for f in m3u8_formats:
+                    if '_drm/index_' in f['url']:
+                        continue
+                    if f.get('acodec') == 'none' and f.get('vcodec') != 'none':
+                        f['acodec'] = None
+                    formats.append(f)
+            elif format_id in ('mpd', 'dash'):
+                formats.extend(self._extract_mpd_formats(
+                    format_url, video_id, 'mpd-%s' % protocol, fatal=False))
+            elif format_url.startswith('rtmp'):
+                mobj = re.search(
+                    r'^(?P<url>rtmp://[^/]+/(?P<app>.+?))/(?P<playpath>mp4:.+)$',
+                    format_url)
+                if not mobj:
+                    return
+                formats.append({
+                    'format_id': 'rtmp-%s' % format_id,
+                    'ext': 'flv',
+                    'url': mobj.group('url'),
+                    'play_path': mobj.group('playpath'),
+                    'app': mobj.group('app'),
+                    'page_url': url,
+                    'drms': format_drms,
+                    'stream_id': format_stream_id,
+                })
+            else:
+                urlh = self._request_webpage(
+                    HEADRequest(format_url), video_id, 'Checking file size', fatal=False)
+                formats.append({
+                    'url': format_url,
+                    'format_id': '%s-%s' % (format_id, protocol),
+                    'height': int_or_none(self._search_regex(
+                        r'^(\d+)[pP]$', format_id, 'height', default=None)),
+                    'drms': format_drms,
+                    'stream_id': format_stream_id,
+                    'filesize': int_or_none(urlh.headers.get('Content-Length')),
+                })
+
+        for format_id, format_dict in (resp.get('streams') or {}).items():
+            add_format(format_id, format_dict)
+        if not formats:
+            streams = self._call_api(
+                'videos/%s/streams.json' % video_id, video_id,
+                'Downloading video streams JSON')
+
+            if 'external' in streams:
+                result.update({
+                    '_type': 'url_transparent',
+                    'url': streams['external']['url'],
+                })
+                return result
+
+            for format_id, stream_dict in streams.items():
+                for protocol, format_dict in stream_dict.items():
+                    add_format(format_id, format_dict, protocol)
+        self._sort_formats(formats)
 
         result['formats'] = formats
         return result
diff --git a/youtube_dlc/extractor/youtube.py b/youtube_dlc/extractor/youtube.py
index 44691b258..e22b9168f 100644
--- a/youtube_dlc/extractor/youtube.py
+++ b/youtube_dlc/extractor/youtube.py
@@ -307,6 +307,8 @@ def _real_initialize(self):
         },
     }
 
+    _YT_INITIAL_DATA_RE = r'(?:window\s*\[\s*["\']ytInitialData["\']\s*\]|ytInitialData)\s*=\s*({.+?})\s*;'
+
     def _call_api(self, ep, query, video_id):
         data = self._DEFAULT_API_DATA.copy()
         data.update(query)
@@ -323,8 +325,8 @@ def _call_api(self, ep, query, video_id):
     def _extract_yt_initial_data(self, video_id, webpage):
         return self._parse_json(
             self._search_regex(
-                r'(?:window\s*\[\s*["\']ytInitialData["\']\s*\]|ytInitialData)\s*=\s*({.+?})\s*;',
-                webpage, 'yt initial data'),
+                (r'%s\s*\n' % self._YT_INITIAL_DATA_RE,
+                 self._YT_INITIAL_DATA_RE), webpage, 'yt initial data'),
             video_id)
 
 
@@ -1090,6 +1092,22 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'skip_download': True,
             },
         },
+        {
+            # with '};' inside yt initial data (see https://github.com/ytdl-org/youtube-dl/issues/27093)
+            'url': 'https://www.youtube.com/watch?v=CHqg6qOn4no',
+            'info_dict': {
+                'id': 'CHqg6qOn4no',
+                'ext': 'mp4',
+                'title': 'Part 77   Sort a list of simple types in c#',
+                'description': 'md5:b8746fa52e10cdbf47997903f13b20dc',
+                'upload_date': '20130831',
+                'uploader_id': 'kudvenkat',
+                'uploader': 'kudvenkat',
+            },
+            'params': {
+                'skip_download': True,
+            },
+        },
     ]
 
     def __init__(self, *args, **kwargs):
@@ -2614,13 +2632,13 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
         },
         'playlist_mincount': 138,
     }, {
-        'url': 'https://invidio.us/channel/UC23qupoDRn9YOAVzeoxjOQA',
+        'url': 'https://invidio.us/channel/UCmlqkdCBesrv2Lak1mF_MxA',
         'only_matching': True,
     }, {
-        'url': 'https://www.youtubekids.com/channel/UCyu8StPfZWapR6rfW_JgqcA',
+        'url': 'https://www.youtubekids.com/channel/UCmlqkdCBesrv2Lak1mF_MxA',
         'only_matching': True,
     }, {
-        'url': 'https://music.youtube.com/channel/UCT-K0qO8z6NzWrywqefBPBQ',
+        'url': 'https://music.youtube.com/channel/UCmlqkdCBesrv2Lak1mF_MxA',
         'only_matching': True,
     }, {
         'note': 'Playlist with deleted videos (#651). As a bonus, the video #51 is also twice in this list.',
@@ -2667,7 +2685,7 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
         },
         'playlist_mincount': 11,
     }, {
-        'url': 'https://invidio.us/playlist?list=PLDIoUOhQQPlXr63I_vwF9GD8sAKh77dWU',
+        'url': 'https://invidio.us/playlist?list=PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc',
         'only_matching': True,
     }, {
         # Playlist URL that does not actually serve a playlist