[youtube] Skip unsupported adaptive stream type (#18804)
[youtube-dl] / youtube_dl / extractor / youtube.py
index 5aef555fb9f093bbc27faacd508f8042d706b20e..5e93b53294706ad3f5e766deff724faf37993aeb 100644 (file)
@@ -37,15 +37,18 @@ from ..utils import (
     orderedSet,
     parse_codecs,
     parse_duration,
+    qualities,
     remove_quotes,
     remove_start,
     smuggle_url,
+    str_or_none,
     str_to_int,
     try_get,
     unescapeHTML,
     unified_strdate,
     unsmuggle_url,
     uppercase_escape,
+    url_or_none,
     urlencode_postdata,
 )
 
@@ -63,7 +66,7 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
     # If True it will raise an error if no login info is provided
     _LOGIN_REQUIRED = False
 
-    _PLAYLIST_ID_RE = r'(?:PL|LL|EC|UU|FL|RD|UL|TL)[0-9A-Za-z-_]{10,}'
+    _PLAYLIST_ID_RE = r'(?:PL|LL|EC|UU|FL|RD|UL|TL|OLAK5uy_)[0-9A-Za-z-_]{10,}'
 
     def _set_language(self):
         self._set_cookie(
@@ -84,10 +87,10 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
 
         If _LOGIN_REQUIRED is set and no authentication was provided, an error is raised.
         """
-        (username, password) = self._get_login_info()
+        username, password = self._get_login_info()
         # No authentication to be performed
         if username is None:
-            if self._LOGIN_REQUIRED:
+            if self._LOGIN_REQUIRED and self._downloader.params.get('cookiefile') is None:
                 raise ExtractorError('No login info available, needed for using %s.' % self.IE_NAME, expected=True)
             return True
 
@@ -177,13 +180,13 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
             warn('Unable to extract result entry')
             return False
 
-        tfa = try_get(res, lambda x: x[0][0], list)
-        if tfa:
-            tfa_str = try_get(tfa, lambda x: x[2], compat_str)
-            if tfa_str == 'TWO_STEP_VERIFICATION':
+        login_challenge = try_get(res, lambda x: x[0][0], list)
+        if login_challenge:
+            challenge_str = try_get(login_challenge, lambda x: x[2], compat_str)
+            if challenge_str == 'TWO_STEP_VERIFICATION':
                 # SEND_SUCCESS - TFA code has been successfully sent to phone
                 # QUOTA_EXCEEDED - reached the limit of TFA codes
-                status = try_get(tfa, lambda x: x[5], compat_str)
+                status = try_get(login_challenge, lambda x: x[5], compat_str)
                 if status == 'QUOTA_EXCEEDED':
                     warn('Exceeded the limit of TFA codes, try later')
                     return False
@@ -227,6 +230,17 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
 
                 check_cookie_url = try_get(
                     tfa_results, lambda x: x[0][-1][2], compat_str)
+            else:
+                CHALLENGES = {
+                    'LOGIN_CHALLENGE': "This device isn't recognized. For your security, Google wants to make sure it's really you.",
+                    'USERNAME_RECOVERY': 'Please provide additional information to aid in the recovery process.',
+                    'REAUTH': "There is something unusual about your activity. For your security, Google wants to make sure it's really you.",
+                }
+                challenge = CHALLENGES.get(
+                    challenge_str,
+                    '%s returned error %s.' % (self.IE_NAME, challenge_str))
+                warn('%s\nGo to https://accounts.google.com/, login and solve a challenge.' % challenge)
+                return False
         else:
             check_cookie_url = try_get(res, lambda x: x[2], compat_str)
 
@@ -246,9 +260,11 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
 
         return True
 
-    def _download_webpage(self, *args, **kwargs):
-        kwargs.setdefault('query', {})['disable_polymer'] = 'true'
-        return super(YoutubeBaseInfoExtractor, self)._download_webpage(
+    def _download_webpage_handle(self, *args, **kwargs):
+        query = kwargs.get('query', {}).copy()
+        query['disable_polymer'] = 'true'
+        kwargs['query'] = query
+        return super(YoutubeBaseInfoExtractor, self)._download_webpage_handle(
             *args, **compat_kwargs(kwargs))
 
     def _real_initialize(self):
@@ -335,6 +351,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                             (?:www\.)?hooktube\.com/|
                             (?:www\.)?yourepeat\.com/|
                             tube\.majestyc\.net/|
+                            (?:www\.)?invidio\.us/|
                             youtube\.googleapis\.com/)                        # the various hostnames, with wildcard subdomains
                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
                          (?:                                                  # the various things that can precede the ID:
@@ -478,12 +495,15 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'uploader': 'Philipp Hagemeister',
                 'uploader_id': 'phihag',
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/phihag',
+                'channel_id': 'UCLqxVugv74EIW3VWh2NOa3Q',
+                'channel_url': r're:https?://(?:www\.)?youtube\.com/channel/UCLqxVugv74EIW3VWh2NOa3Q',
                 'upload_date': '20121002',
                 'license': 'Standard YouTube License',
                 'description': 'test chars:  "\'/\\ä↭𝕐\ntest URL: https://github.com/rg3/youtube-dl/issues/1892\n\nThis is a test video for youtube-dl.\n\nFor more information, contact phihag@phihag.de .',
                 'categories': ['Science & Technology'],
                 'tags': ['youtube-dl'],
                 'duration': 10,
+                'view_count': int,
                 'like_count': int,
                 'dislike_count': int,
                 'start_time': 1,
@@ -509,6 +529,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IconaPop',
                 'license': 'Standard YouTube License',
                 'creator': 'Icona Pop',
+                'track': 'I Love It (feat. Charli XCX)',
+                'artist': 'Icona Pop',
             }
         },
         {
@@ -527,6 +549,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/justintimberlakeVEVO',
                 'license': 'Standard YouTube License',
                 'creator': 'Justin Timberlake',
+                'track': 'Tunnel Vision',
+                'artist': 'Justin Timberlake',
                 'age_limit': 18,
             }
         },
@@ -562,6 +586,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'categories': ['Science & Technology'],
                 'tags': ['youtube-dl'],
                 'duration': 10,
+                'view_count': int,
                 'like_count': int,
                 'dislike_count': int,
             },
@@ -596,7 +621,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'id': 'IB3lcPjvWLA',
                 'ext': 'm4a',
                 'title': 'Afrojack, Spree Wilson - The Spark ft. Spree Wilson',
-                'description': 'md5:12e7067fa6735a77bdcbb58cb1187d2d',
+                'description': 'md5:1900ed86ee514927b9e00fbead6969a5',
                 'duration': 244,
                 'uploader': 'AfrojackVEVO',
                 'uploader_id': 'AfrojackVEVO',
@@ -637,7 +662,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'ext': 'mp4',
                 'duration': 219,
                 'upload_date': '20100909',
-                'uploader': 'The Amazing Atheist',
+                'uploader': 'TJ Kirk',
                 'uploader_id': 'TheAmazingAtheist',
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/TheAmazingAtheist',
                 'license': 'Standard YouTube License',
@@ -667,10 +692,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'url': 'https://www.youtube.com/watch?v=6kLq3WMV1nU',
             'info_dict': {
                 'id': '6kLq3WMV1nU',
-                'ext': 'mp4',
+                'ext': 'webm',
                 'title': 'Dedication To My Ex (Miss That) (Lyric Video)',
                 'description': 'md5:33765bb339e1b47e7e72b5490139bb41',
-                'duration': 247,
+                'duration': 246,
                 'uploader': 'LloydVEVO',
                 'uploader_id': 'LloydVEVO',
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/LloydVEVO',
@@ -732,7 +757,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'uploader_id': 'AllenMeow',
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/AllenMeow',
                 'description': 'made by Wacom from Korea | 字幕&加油添醋 by TY\'s Allen | 感謝heylisa00cavey1001同學熱情提供梗及翻譯',
-                'uploader': '孫艾倫',
+                'uploader': '孫ᄋᄅ',
                 'license': 'Standard YouTube License',
                 'title': '[A-made] 變態妍字幕版 太妍 我就是這樣的人',
             },
@@ -759,7 +784,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'url': 'https://www.youtube.com/watch?v=FIl7x6_3R5Y',
             'info_dict': {
                 'id': 'FIl7x6_3R5Y',
-                'ext': 'mp4',
+                'ext': 'webm',
                 'title': 'md5:7b81415841e02ecd4313668cde88737a',
                 'description': 'md5:116377fd2963b81ec4ce64b542173306',
                 'duration': 220,
@@ -768,8 +793,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/dorappi2000',
                 'uploader': 'dorappi2000',
                 'license': 'Standard YouTube License',
-                'formats': 'mincount:32',
+                'formats': 'mincount:31',
             },
+            'skip': 'not actual anymore',
         },
         # DASH manifest with segment_list
         {
@@ -884,7 +910,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'id': 'lsguqyKfVQg',
                 'ext': 'mp4',
                 'title': '{dark walk}; Loki/AC/Dishonored; collab w/Elflover21',
-                'alt_title': 'Dark Walk',
+                'alt_title': 'Dark Walk - Position Music',
                 'description': 'md5:8085699c11dc3f597ce0410b0dcbb34a',
                 'duration': 133,
                 'upload_date': '20151119',
@@ -892,7 +918,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/user/IronSoulElf',
                 'uploader': 'IronSoulElf',
                 'license': 'Standard YouTube License',
-                'creator': 'Todd Haberman, Daniel Law Heath & Aaron Kaplan',
+                'creator': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
+                'track': 'Dark Walk - Position Music',
+                'artist': 'Todd Haberman,  Daniel Law Heath and Aaron Kaplan',
             },
             'params': {
                 'skip_download': True,
@@ -949,7 +977,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'description': 'md5:dda0d780d5a6e120758d1711d062a867',
                 'duration': 4060,
                 'upload_date': '20151119',
-                'uploader': 'Bernie 2016',
+                'uploader': 'Bernie Sanders',
                 'uploader_id': 'UCH1dpzjCEiGAt8CXkryhkZg',
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCH1dpzjCEiGAt8CXkryhkZg',
                 'license': 'Creative Commons Attribution license (reuse allowed)',
@@ -984,6 +1012,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'params': {
                 'skip_download': True,
             },
+            'skip': 'This video is not available.',
         },
         {
             # YouTube Red video with episode data
@@ -992,7 +1021,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'id': 'iqKdEhx-dD4',
                 'ext': 'mp4',
                 'title': 'Isolation - Mind Field (Ep 1)',
-                'description': 'md5:8013b7ddea787342608f63a13ddc9492',
+                'description': 'md5:25b78d2f64ae81719f5c96319889b736',
                 'duration': 2085,
                 'upload_date': '20170118',
                 'uploader': 'Vsauce',
@@ -1025,7 +1054,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'uploader_id': 'UCEJYpZGqgUob0zVVEaLhvVg',
                 'uploader_url': r're:https?://(?:www\.)?youtube\.com/channel/UCEJYpZGqgUob0zVVEaLhvVg',
                 'license': 'Standard YouTube License',
-                'view_count': int,
             },
             'params': {
                 'skip_download': True,
@@ -1045,6 +1073,15 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'url': 'https://www.youtube.com/watch?v=MuAGGZNfUkU&list=RDMM',
             'only_matching': True,
         },
+        {
+            'url': 'https://invidio.us/watch?v=BaW_jenozKc',
+            'only_matching': True,
+        },
+        {
+            # DRM protected
+            'url': 'https://www.youtube.com/watch?v=s7_qI6_mIXc',
+            'only_matching': True,
+        }
     ]
 
     def __init__(self, *args, **kwargs):
@@ -1073,7 +1110,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
 
     def _extract_signature_function(self, video_id, player_url, example_sig):
         id_m = re.match(
-            r'.*?-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player(?:-new)?|(?:/[a-z]{2}_[A-Z]{2})?/base)?\.(?P<ext>[a-z]+)$',
+            r'.*?-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player(?:-new)?|(?:/[a-z]{2,3}_[A-Z]{2})?/base)?\.(?P<ext>[a-z]+)$',
             player_url)
         if not id_m:
             raise ExtractorError('Cannot identify player %r' % player_url)
@@ -1159,7 +1196,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
     def _parse_sig_js(self, jscode):
         funcname = self._search_regex(
             (r'(["\'])signature\1\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
-             r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\('),
+             r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(',
+             r'yt\.akamaized\.net/\)\s*\|\|\s*.*?\s*c\s*&&\s*d\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
+             r'\bc\s*&&\s*d\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
+             r'\bc\s*&&\s*d\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\('),
             jscode, 'Initial JS player signature function name', group='sig')
 
         jsi = JSInterpreter(jscode)
@@ -1352,8 +1392,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             self._downloader.report_warning(err_msg)
             return {}
 
-    def _mark_watched(self, video_id, video_info):
-        playback_url = video_info.get('videostats_playback_base_url', [None])[0]
+    def _mark_watched(self, video_id, video_info, player_response):
+        playback_url = url_or_none(try_get(
+            player_response,
+            lambda x: x['playbackTracking']['videostatsPlaybackUrl']['baseUrl']) or try_get(
+            video_info, lambda x: x['videostats_playback_base_url'][0]))
         if not playback_url:
             return
         parsed_playback_url = compat_urlparse.urlparse(playback_url)
@@ -1391,7 +1434,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             )
             (["\'])
                 (?P<url>(?:https?:)?//(?:www\.)?youtube(?:-nocookie)?\.com/
-                (?:embed|v|p)/.+?)
+                (?:embed|v|p)/[0-9A-Za-z_-]{11}.*?)
             \1''', webpage)]
 
         # lazyYT YouTube embed
@@ -1502,12 +1545,21 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             if dash_mpd and dash_mpd[0] not in dash_mpds:
                 dash_mpds.append(dash_mpd[0])
 
+        def add_dash_mpd_pr(pl_response):
+            dash_mpd = url_or_none(try_get(
+                pl_response, lambda x: x['streamingData']['dashManifestUrl'],
+                compat_str))
+            if dash_mpd and dash_mpd not in dash_mpds:
+                dash_mpds.append(dash_mpd)
+
         is_live = None
         view_count = None
 
         def extract_view_count(v_info):
             return int_or_none(try_get(v_info, lambda x: x['view_count'][0]))
 
+        player_response = {}
+
         # Get video info
         embed_webpage = None
         if re.search(r'player-age-gate-content">', video_webpage) is not None:
@@ -1537,7 +1589,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             ytplayer_config = self._get_ytplayer_config(video_id, video_webpage)
             if ytplayer_config:
                 args = ytplayer_config['args']
-                if args.get('url_encoded_fmt_stream_map'):
+                if args.get('url_encoded_fmt_stream_map') or args.get('hlsvp'):
                     # Convert to the same format returned by compat_parse_qs
                     video_info = dict((k, [v]) for k, v in args.items())
                     add_dash_mpd(video_info)
@@ -1550,7 +1602,14 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 if args.get('livestream') == '1' or args.get('live_playback') == 1:
                     is_live = True
                 sts = ytplayer_config.get('sts')
+                if not player_response:
+                    pl_response = str_or_none(args.get('player_response'))
+                    if pl_response:
+                        pl_response = self._parse_json(pl_response, video_id, fatal=False)
+                        if isinstance(pl_response, dict):
+                            player_response = pl_response
             if not video_info or self._downloader.params.get('youtube_include_dash_manifest', True):
+                add_dash_mpd_pr(player_response)
                 # We also try looking in get_video_info since it may contain different dashmpd
                 # URL that points to a DASH manifest with possibly different itag set (some itags
                 # are missing from DASH manifest pointed by webpage's dashmpd, some - from DASH
@@ -1578,6 +1637,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     if not video_info_webpage:
                         continue
                     get_video_info = compat_parse_qs(video_info_webpage)
+                    if not player_response:
+                        pl_response = get_video_info.get('player_response', [None])[0]
+                        if isinstance(pl_response, dict):
+                            player_response = pl_response
+                            add_dash_mpd_pr(player_response)
                     add_dash_mpd(get_video_info)
                     if view_count is None:
                         view_count = extract_view_count(get_video_info)
@@ -1596,6 +1660,12 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                         if 'token' not in video_info:
                             video_info = get_video_info
                         break
+
+        def extract_unavailable_message():
+            return self._html_search_regex(
+                r'(?s)<h1[^>]+id="unavailable-message"[^>]*>(.+?)</h1>',
+                video_webpage, 'unavailable message', default=None)
+
         if 'token' not in video_info:
             if 'reason' in video_info:
                 if 'The uploader has not made this video available in your country.' in video_info['reason']:
@@ -1604,17 +1674,30 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     countries = regions_allowed.split(',') if regions_allowed else None
                     self.raise_geo_restricted(
                         msg=video_info['reason'][0], countries=countries)
+                reason = video_info['reason'][0]
+                if 'Invalid parameters' in reason:
+                    unavailable_message = extract_unavailable_message()
+                    if unavailable_message:
+                        reason = unavailable_message
                 raise ExtractorError(
-                    'YouTube said: %s' % video_info['reason'][0],
+                    'YouTube said: %s' % reason,
                     expected=True, video_id=video_id)
             else:
                 raise ExtractorError(
                     '"token" parameter not in video info for unknown reason',
                     video_id=video_id)
 
+        if video_info.get('license_info'):
+            raise ExtractorError('This video is DRM protected.', expected=True)
+
+        video_details = try_get(
+            player_response, lambda x: x['videoDetails'], dict) or {}
+
         # title
         if 'title' in video_info:
             video_title = video_info['title'][0]
+        elif 'title' in player_response:
+            video_title = video_details['title']
         else:
             self._downloader.report_warning('Unable to extract video title')
             video_title = '_'
@@ -1650,157 +1733,49 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             else:
                 video_description = ''
 
-        if 'multifeed_metadata_list' in video_info and not smuggled_data.get('force_singlefeed', False):
+        if not smuggled_data.get('force_singlefeed', False):
             if not self._downloader.params.get('noplaylist'):
-                entries = []
-                feed_ids = []
-                multifeed_metadata_list = video_info['multifeed_metadata_list'][0]
-                for feed in multifeed_metadata_list.split(','):
-                    # Unquote should take place before split on comma (,) since textual
-                    # fields may contain comma as well (see
-                    # https://github.com/rg3/youtube-dl/issues/8536)
-                    feed_data = compat_parse_qs(compat_urllib_parse_unquote_plus(feed))
-                    entries.append({
-                        '_type': 'url_transparent',
-                        'ie_key': 'Youtube',
-                        'url': smuggle_url(
-                            '%s://www.youtube.com/watch?v=%s' % (proto, feed_data['id'][0]),
-                            {'force_singlefeed': True}),
-                        'title': '%s (%s)' % (video_title, feed_data['title'][0]),
-                    })
-                    feed_ids.append(feed_data['id'][0])
-                self.to_screen(
-                    'Downloading multifeed video (%s) - add --no-playlist to just download video %s'
-                    % (', '.join(feed_ids), video_id))
-                return self.playlist_result(entries, video_id, video_title, video_description)
-            self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
+                multifeed_metadata_list = try_get(
+                    player_response,
+                    lambda x: x['multicamera']['playerLegacyMulticameraRenderer']['metadataList'],
+                    compat_str) or try_get(
+                    video_info, lambda x: x['multifeed_metadata_list'][0], compat_str)
+                if multifeed_metadata_list:
+                    entries = []
+                    feed_ids = []
+                    for feed in multifeed_metadata_list.split(','):
+                        # Unquote should take place before split on comma (,) since textual
+                        # fields may contain comma as well (see
+                        # https://github.com/rg3/youtube-dl/issues/8536)
+                        feed_data = compat_parse_qs(compat_urllib_parse_unquote_plus(feed))
+                        entries.append({
+                            '_type': 'url_transparent',
+                            'ie_key': 'Youtube',
+                            'url': smuggle_url(
+                                '%s://www.youtube.com/watch?v=%s' % (proto, feed_data['id'][0]),
+                                {'force_singlefeed': True}),
+                            'title': '%s (%s)' % (video_title, feed_data['title'][0]),
+                        })
+                        feed_ids.append(feed_data['id'][0])
+                    self.to_screen(
+                        'Downloading multifeed video (%s) - add --no-playlist to just download video %s'
+                        % (', '.join(feed_ids), video_id))
+                    return self.playlist_result(entries, video_id, video_title, video_description)
+            else:
+                self.to_screen('Downloading just video %s because of --no-playlist' % video_id)
 
         if view_count is None:
             view_count = extract_view_count(video_info)
+        if view_count is None and video_details:
+            view_count = int_or_none(video_details.get('viewCount'))
 
         # Check for "rental" videos
         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
             raise ExtractorError('"rental" videos not supported. See https://github.com/rg3/youtube-dl/issues/359 for more information.', expected=True)
 
-        # Start extracting information
-        self.report_information_extraction(video_id)
-
-        # uploader
-        if 'author' not in video_info:
-            raise ExtractorError('Unable to extract uploader name')
-        video_uploader = compat_urllib_parse_unquote_plus(video_info['author'][0])
-
-        # uploader_id
-        video_uploader_id = None
-        video_uploader_url = None
-        mobj = re.search(
-            r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
-            video_webpage)
-        if mobj is not None:
-            video_uploader_id = mobj.group('uploader_id')
-            video_uploader_url = mobj.group('uploader_url')
-        else:
-            self._downloader.report_warning('unable to extract uploader nickname')
-
-        # thumbnail image
-        # We try first to get a high quality image:
-        m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
-                            video_webpage, re.DOTALL)
-        if m_thumb is not None:
-            video_thumbnail = m_thumb.group(1)
-        elif 'thumbnail_url' not in video_info:
-            self._downloader.report_warning('unable to extract video thumbnail')
-            video_thumbnail = None
-        else:   # don't panic if we can't find it
-            video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
-
-        # upload date
-        upload_date = self._html_search_meta(
-            'datePublished', video_webpage, 'upload date', default=None)
-        if not upload_date:
-            upload_date = self._search_regex(
-                [r'(?s)id="eow-date.*?>(.*?)</span>',
-                 r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
-                video_webpage, 'upload date', default=None)
-        upload_date = unified_strdate(upload_date)
-
-        video_license = self._html_search_regex(
-            r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
-            video_webpage, 'license', default=None)
-
-        m_music = re.search(
-            r'''(?x)
-                <h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
-                <ul[^>]*>\s*
-                <li>(?P<title>.+?)
-                by (?P<creator>.+?)
-                (?:
-                    \(.+?\)|
-                    <a[^>]*
-                        (?:
-                            \bhref=["\']/red[^>]*>|             # drop possible
-                            >\s*Listen ad-free with YouTube Red # YouTube Red ad
-                        )
-                    .*?
-                )?</li
-            ''',
-            video_webpage)
-        if m_music:
-            video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
-            video_creator = clean_html(m_music.group('creator'))
-        else:
-            video_alt_title = video_creator = None
-
-        m_episode = re.search(
-            r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
-            video_webpage)
-        if m_episode:
-            series = m_episode.group('series')
-            season_number = int(m_episode.group('season'))
-            episode_number = int(m_episode.group('episode'))
-        else:
-            series = season_number = episode_number = None
-
-        m_cat_container = self._search_regex(
-            r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
-            video_webpage, 'categories', default=None)
-        if m_cat_container:
-            category = self._html_search_regex(
-                r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
-                default=None)
-            video_categories = None if category is None else [category]
-        else:
-            video_categories = None
-
-        video_tags = [
-            unescapeHTML(m.group('content'))
-            for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
-
-        def _extract_count(count_name):
-            return str_to_int(self._search_regex(
-                r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
-                % re.escape(count_name),
-                video_webpage, count_name, default=None))
-
-        like_count = _extract_count('like')
-        dislike_count = _extract_count('dislike')
-
-        # subtitles
-        video_subtitles = self.extract_subtitles(video_id, video_webpage)
-        automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
-
-        video_duration = try_get(
-            video_info, lambda x: int_or_none(x['length_seconds'][0]))
-        if not video_duration:
-            video_duration = parse_duration(self._html_search_meta(
-                'duration', video_webpage, 'video duration'))
-
-        # annotations
-        video_annotations = None
-        if self._downloader.params.get('writeannotations', False):
-            video_annotations = self._extract_annotations(video_id)
-
-        chapters = self._extract_chapters(description_original, video_duration)
+        def _extract_filesize(media_url):
+            return int_or_none(self._search_regex(
+                r'\bclen[=/](\d+)', media_url, 'filesize', default=None))
 
         if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
             self.report_rtmp_download()
@@ -1810,7 +1785,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'url': video_info['conn'][0],
                 'player_url': player_url,
             }]
-        elif len(video_info.get('url_encoded_fmt_stream_map', [''])[0]) >= 1 or len(video_info.get('adaptive_fmts', [''])[0]) >= 1:
+        elif not is_live and (len(video_info.get('url_encoded_fmt_stream_map', [''])[0]) >= 1 or len(video_info.get('adaptive_fmts', [''])[0]) >= 1):
             encoded_url_map = video_info.get('url_encoded_fmt_stream_map', [''])[0] + ',' + video_info.get('adaptive_fmts', [''])[0]
             if 'rtmpe%3Dyes' in encoded_url_map:
                 raise ExtractorError('rtmpe downloads are not supported, see https://github.com/rg3/youtube-dl/issues/343 for more information.', expected=True)
@@ -1827,11 +1802,35 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                                 'width': int_or_none(width_height[0]),
                                 'height': int_or_none(width_height[1]),
                             }
+            q = qualities(['small', 'medium', 'hd720'])
+            streaming_formats = try_get(player_response, lambda x: x['streamingData']['formats'], list)
+            if streaming_formats:
+                for fmt in streaming_formats:
+                    itag = str_or_none(fmt.get('itag'))
+                    if not itag:
+                        continue
+                    quality = fmt.get('quality')
+                    quality_label = fmt.get('qualityLabel') or quality
+                    formats_spec[itag] = {
+                        'asr': int_or_none(fmt.get('audioSampleRate')),
+                        'filesize': int_or_none(fmt.get('contentLength')),
+                        'format_note': quality_label,
+                        'fps': int_or_none(fmt.get('fps')),
+                        'height': int_or_none(fmt.get('height')),
+                        'quality': q(quality),
+                        # bitrate for itag 43 is always 2147483647
+                        'tbr': float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000) if itag != '43' else None,
+                        'width': int_or_none(fmt.get('width')),
+                    }
             formats = []
             for url_data_str in encoded_url_map.split(','):
                 url_data = compat_parse_qs(url_data_str)
                 if 'itag' not in url_data or 'url' not in url_data:
                     continue
+                stream_type = int_or_none(try_get(url_data, lambda x: x['stream_type'][0]))
+                # Unsupported FORMAT_STREAM_TYPE_OTF
+                if stream_type == 3:
+                    continue
                 format_id = url_data['itag'][0]
                 url = url_data['url'][0]
 
@@ -1875,7 +1874,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                             else:
                                 player_version = self._search_regex(
                                     [r'html5player-([^/]+?)(?:/html5player(?:-new)?)?\.js',
-                                     r'(?:www|player)-([^/]+)(?:/[a-z]{2}_[A-Z]{2})?/base\.js'],
+                                     r'(?:www|player(?:_ias)?)-([^/]+)(?:/[a-z]{2,3}_[A-Z]{2})?/base\.js'],
                                     player_url,
                                     'html5 player', fatal=False)
                                 player_desc = 'html5 player %s' % player_version
@@ -1906,13 +1905,19 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 mobj = re.search(r'^(?P<width>\d+)[xX](?P<height>\d+)$', url_data.get('size', [''])[0])
                 width, height = (int(mobj.group('width')), int(mobj.group('height'))) if mobj else (None, None)
 
+                filesize = int_or_none(url_data.get(
+                    'clen', [None])[0]) or _extract_filesize(url)
+
+                quality = url_data.get('quality', [None])[0]
+
                 more_fields = {
-                    'filesize': int_or_none(url_data.get('clen', [None])[0]),
+                    'filesize': filesize,
                     'tbr': float_or_none(url_data.get('bitrate', [None])[0], 1000),
                     'width': width,
                     'height': height,
                     'fps': int_or_none(url_data.get('fps', [None])[0]),
-                    'format_note': url_data.get('quality_label', [None])[0] or url_data.get('quality', [None])[0],
+                    'format_note': url_data.get('quality_label', [None])[0] or quality,
+                    'quality': q(quality),
                 }
                 for key, value in more_fields.items():
                     if value:
@@ -1933,32 +1938,184 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                                     break
                             if codecs:
                                 dct.update(parse_codecs(codecs))
+                if dct.get('acodec') == 'none' or dct.get('vcodec') == 'none':
+                    dct['downloader_options'] = {
+                        # Youtube throttles chunks >~10M
+                        'http_chunk_size': 10485760,
+                    }
                 formats.append(dct)
-        elif video_info.get('hlsvp'):
-            manifest_url = video_info['hlsvp'][0]
-            formats = []
-            m3u8_formats = self._extract_m3u8_formats(
-                manifest_url, video_id, 'mp4', fatal=False)
-            for a_format in m3u8_formats:
-                itag = self._search_regex(
-                    r'/itag/(\d+)/', a_format['url'], 'itag', default=None)
-                if itag:
-                    a_format['format_id'] = itag
-                    if itag in self._formats:
-                        dct = self._formats[itag].copy()
-                        dct.update(a_format)
-                        a_format = dct
-                a_format['player_url'] = player_url
-                # Accept-Encoding header causes failures in live streams on Youtube and Youtube Gaming
-                a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = 'True'
-                formats.append(a_format)
         else:
-            unavailable_message = self._html_search_regex(
-                r'(?s)<h1[^>]+id="unavailable-message"[^>]*>(.+?)</h1>',
-                video_webpage, 'unavailable message', default=None)
-            if unavailable_message:
-                raise ExtractorError(unavailable_message, expected=True)
-            raise ExtractorError('no conn, hlsvp or url_encoded_fmt_stream_map information found in video info')
+            manifest_url = (
+                url_or_none(try_get(
+                    player_response,
+                    lambda x: x['streamingData']['hlsManifestUrl'],
+                    compat_str)) or
+                url_or_none(try_get(
+                    video_info, lambda x: x['hlsvp'][0], compat_str)))
+            if manifest_url:
+                formats = []
+                m3u8_formats = self._extract_m3u8_formats(
+                    manifest_url, video_id, 'mp4', fatal=False)
+                for a_format in m3u8_formats:
+                    itag = self._search_regex(
+                        r'/itag/(\d+)/', a_format['url'], 'itag', default=None)
+                    if itag:
+                        a_format['format_id'] = itag
+                        if itag in self._formats:
+                            dct = self._formats[itag].copy()
+                            dct.update(a_format)
+                            a_format = dct
+                    a_format['player_url'] = player_url
+                    # Accept-Encoding header causes failures in live streams on Youtube and Youtube Gaming
+                    a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = 'True'
+                    formats.append(a_format)
+            else:
+                error_message = clean_html(video_info.get('reason', [None])[0])
+                if not error_message:
+                    error_message = extract_unavailable_message()
+                if error_message:
+                    raise ExtractorError(error_message, expected=True)
+                raise ExtractorError('no conn, hlsvp, hlsManifestUrl or url_encoded_fmt_stream_map information found in video info')
+
+        # uploader
+        video_uploader = try_get(
+            video_info, lambda x: x['author'][0],
+            compat_str) or str_or_none(video_details.get('author'))
+        if video_uploader:
+            video_uploader = compat_urllib_parse_unquote_plus(video_uploader)
+        else:
+            self._downloader.report_warning('unable to extract uploader name')
+
+        # uploader_id
+        video_uploader_id = None
+        video_uploader_url = None
+        mobj = re.search(
+            r'<link itemprop="url" href="(?P<uploader_url>https?://www\.youtube\.com/(?:user|channel)/(?P<uploader_id>[^"]+))">',
+            video_webpage)
+        if mobj is not None:
+            video_uploader_id = mobj.group('uploader_id')
+            video_uploader_url = mobj.group('uploader_url')
+        else:
+            self._downloader.report_warning('unable to extract uploader nickname')
+
+        channel_id = self._html_search_meta(
+            'channelId', video_webpage, 'channel id')
+        channel_url = 'http://www.youtube.com/channel/%s' % channel_id if channel_id else None
+
+        # thumbnail image
+        # We try first to get a high quality image:
+        m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
+                            video_webpage, re.DOTALL)
+        if m_thumb is not None:
+            video_thumbnail = m_thumb.group(1)
+        elif 'thumbnail_url' not in video_info:
+            self._downloader.report_warning('unable to extract video thumbnail')
+            video_thumbnail = None
+        else:   # don't panic if we can't find it
+            video_thumbnail = compat_urllib_parse_unquote_plus(video_info['thumbnail_url'][0])
+
+        # upload date
+        upload_date = self._html_search_meta(
+            'datePublished', video_webpage, 'upload date', default=None)
+        if not upload_date:
+            upload_date = self._search_regex(
+                [r'(?s)id="eow-date.*?>(.*?)</span>',
+                 r'(?:id="watch-uploader-info".*?>.*?|["\']simpleText["\']\s*:\s*["\'])(?:Published|Uploaded|Streamed live|Started) on (.+?)[<"\']'],
+                video_webpage, 'upload date', default=None)
+        upload_date = unified_strdate(upload_date)
+
+        video_license = self._html_search_regex(
+            r'<h4[^>]+class="title"[^>]*>\s*License\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li',
+            video_webpage, 'license', default=None)
+
+        m_music = re.search(
+            r'''(?x)
+                <h4[^>]+class="title"[^>]*>\s*Music\s*</h4>\s*
+                <ul[^>]*>\s*
+                <li>(?P<title>.+?)
+                by (?P<creator>.+?)
+                (?:
+                    \(.+?\)|
+                    <a[^>]*
+                        (?:
+                            \bhref=["\']/red[^>]*>|             # drop possible
+                            >\s*Listen ad-free with YouTube Red # YouTube Red ad
+                        )
+                    .*?
+                )?</li
+            ''',
+            video_webpage)
+        if m_music:
+            video_alt_title = remove_quotes(unescapeHTML(m_music.group('title')))
+            video_creator = clean_html(m_music.group('creator'))
+        else:
+            video_alt_title = video_creator = None
+
+        def extract_meta(field):
+            return self._html_search_regex(
+                r'<h4[^>]+class="title"[^>]*>\s*%s\s*</h4>\s*<ul[^>]*>\s*<li>(.+?)</li>\s*' % field,
+                video_webpage, field, default=None)
+
+        track = extract_meta('Song')
+        artist = extract_meta('Artist')
+
+        m_episode = re.search(
+            r'<div[^>]+id="watch7-headline"[^>]*>\s*<span[^>]*>.*?>(?P<series>[^<]+)</a></b>\s*S(?P<season>\d+)\s*•\s*E(?P<episode>\d+)</span>',
+            video_webpage)
+        if m_episode:
+            series = unescapeHTML(m_episode.group('series'))
+            season_number = int(m_episode.group('season'))
+            episode_number = int(m_episode.group('episode'))
+        else:
+            series = season_number = episode_number = None
+
+        m_cat_container = self._search_regex(
+            r'(?s)<h4[^>]*>\s*Category\s*</h4>\s*<ul[^>]*>(.*?)</ul>',
+            video_webpage, 'categories', default=None)
+        if m_cat_container:
+            category = self._html_search_regex(
+                r'(?s)<a[^<]+>(.*?)</a>', m_cat_container, 'category',
+                default=None)
+            video_categories = None if category is None else [category]
+        else:
+            video_categories = None
+
+        video_tags = [
+            unescapeHTML(m.group('content'))
+            for m in re.finditer(self._meta_regex('og:video:tag'), video_webpage)]
+
+        def _extract_count(count_name):
+            return str_to_int(self._search_regex(
+                r'-%s-button[^>]+><span[^>]+class="yt-uix-button-content"[^>]*>([\d,]+)</span>'
+                % re.escape(count_name),
+                video_webpage, count_name, default=None))
+
+        like_count = _extract_count('like')
+        dislike_count = _extract_count('dislike')
+
+        if view_count is None:
+            view_count = str_to_int(self._search_regex(
+                r'<[^>]+class=["\']watch-view-count[^>]+>\s*([\d,\s]+)', video_webpage,
+                'view count', default=None))
+
+        # subtitles
+        video_subtitles = self.extract_subtitles(video_id, video_webpage)
+        automatic_captions = self.extract_automatic_captions(video_id, video_webpage)
+
+        video_duration = try_get(
+            video_info, lambda x: int_or_none(x['length_seconds'][0]))
+        if not video_duration:
+            video_duration = int_or_none(video_details.get('lengthSeconds'))
+        if not video_duration:
+            video_duration = parse_duration(self._html_search_meta(
+                'duration', video_webpage, 'video duration'))
+
+        # annotations
+        video_annotations = None
+        if self._downloader.params.get('writeannotations', False):
+            video_annotations = self._extract_annotations(video_id)
+
+        chapters = self._extract_chapters(description_original, video_duration)
 
         # Look for the DASH manifest
         if self._downloader.params.get('youtube_include_dash_manifest', True):
@@ -1976,6 +2133,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     for df in self._extract_mpd_formats(
                             mpd_url, video_id, fatal=dash_mpd_fatal,
                             formats_dict=self._formats):
+                        if not df.get('filesize'):
+                            df['filesize'] = _extract_filesize(df['url'])
                         # Do not overwrite DASH format found in some previous DASH manifest
                         if df['format_id'] not in dash_formats:
                             dash_formats[df['format_id']] = df
@@ -2014,18 +2173,20 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
 
         self._sort_formats(formats)
 
-        self.mark_watched(video_id, video_info)
+        self.mark_watched(video_id, video_info, player_response)
 
         return {
             'id': video_id,
             'uploader': video_uploader,
             'uploader_id': video_uploader_id,
             'uploader_url': video_uploader_url,
+            'channel_id': channel_id,
+            'channel_url': channel_url,
             'upload_date': upload_date,
             'license': video_license,
-            'creator': video_creator,
+            'creator': video_creator or artist,
             'title': video_title,
-            'alt_title': video_alt_title,
+            'alt_title': video_alt_title or track,
             'thumbnail': video_thumbnail,
             'description': video_description,
             'categories': video_categories,
@@ -2048,6 +2209,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'series': series,
             'season_number': season_number,
             'episode_number': episode_number,
+            'track': track,
+            'artist': artist,
         }
 
 
@@ -2057,7 +2220,11 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
                         (?:https?://)?
                         (?:\w+\.)?
                         (?:
-                            youtube\.com/
+                            (?:
+                                youtube\.com|
+                                invidio\.us
+                            )
+                            /
                             (?:
                                (?:course|view_play_list|my_playlists|artist|playlist|watch|embed/(?:videoseries|[0-9A-Za-z_-]{11}))
                                \? (?:.*?[&;])*? (?:p|a|list)=
@@ -2066,7 +2233,7 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
                             youtu\.be/[0-9A-Za-z_-]{11}\?.*?\blist=
                         )
                         (
-                            (?:PL|LL|EC|UU|FL|RD|UL|TL)?[0-9A-Za-z-_]{10,}
+                            (?:PL|LL|EC|UU|FL|RD|UL|TL|OLAK5uy_)?[0-9A-Za-z-_]{10,}
                             # Top tracks, they can also include dots
                             |(?:MC)[\w\.]*
                         )
@@ -2170,6 +2337,7 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
             'description': 'md5:507cdcb5a49ac0da37a920ece610be80',
             'categories': ['People & Blogs'],
             'tags': list,
+            'view_count': int,
             'like_count': int,
             'dislike_count': int,
         },
@@ -2204,6 +2372,13 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
     }, {
         'url': 'TLGGrESM50VT6acwMjAyMjAxNw',
         'only_matching': True,
+    }, {
+        # music album playlist
+        'url': 'OLAK5uy_m4xAFdmMC5rX3Ji3g93pQe3hqLZw_9LhM',
+        'only_matching': True,
+    }, {
+        'url': 'https://invidio.us/playlist?list=PLDIoUOhQQPlXr63I_vwF9GD8sAKh77dWU',
+        'only_matching': True,
     }]
 
     def _real_initialize(self):
@@ -2270,6 +2445,19 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
             r'(?s)<h1 class="pl-header-title[^"]*"[^>]*>\s*(.*?)\s*</h1>',
             page, 'title', default=None)
 
+        _UPLOADER_BASE = r'class=["\']pl-header-details[^>]+>\s*<li>\s*<a[^>]+\bhref='
+        uploader = self._search_regex(
+            r'%s["\']/(?:user|channel)/[^>]+>([^<]+)' % _UPLOADER_BASE,
+            page, 'uploader', default=None)
+        mobj = re.search(
+            r'%s(["\'])(?P<path>/(?:user|channel)/(?P<uploader_id>.+?))\1' % _UPLOADER_BASE,
+            page)
+        if mobj:
+            uploader_id = mobj.group('uploader_id')
+            uploader_url = compat_urlparse.urljoin(url, mobj.group('path'))
+        else:
+            uploader_id = uploader_url = None
+
         has_videos = True
 
         if not playlist_title:
@@ -2280,8 +2468,15 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
             except StopIteration:
                 has_videos = False
 
-        return has_videos, self.playlist_result(
+        playlist = self.playlist_result(
             self._entries(page, playlist_id), playlist_id, playlist_title)
+        playlist.update({
+            'uploader': uploader,
+            'uploader_id': uploader_id,
+            'uploader_url': uploader_url,
+        })
+
+        return has_videos, playlist
 
     def _check_download_just_video(self, url, playlist_id):
         # Check if it's a video-specific URL
@@ -2326,7 +2521,7 @@ class YoutubePlaylistIE(YoutubePlaylistBaseInfoExtractor):
 
 class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
     IE_DESC = 'YouTube.com channels'
-    _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/(?P<id>[0-9A-Za-z_-]+)'
+    _VALID_URL = r'https?://(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com|(?:www\.)?invidio\.us)/channel/(?P<id>[0-9A-Za-z_-]+)'
     _TEMPLATE_URL = 'https://www.youtube.com/channel/%s/videos'
     _VIDEO_RE = r'(?:title="(?P<title>[^"]+)"[^>]+)?href="/watch\?v=(?P<id>[0-9A-Za-z_-]+)&?'
     IE_NAME = 'youtube:channel'
@@ -2347,6 +2542,9 @@ class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
             'id': 'UUs0ifCMCm1icqRbqhUINa0w',
             'title': 'Uploads from Deus Ex',
         },
+    }, {
+        'url': 'https://invidio.us/channel/UC23qupoDRn9YOAVzeoxjOQA',
+        'only_matching': True,
     }]
 
     @classmethod
@@ -2417,7 +2615,7 @@ class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
 
 class YoutubeUserIE(YoutubeChannelIE):
     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
-    _VALID_URL = r'(?:(?:https?://(?:\w+\.)?youtube\.com/(?:(?P<user>user|c)/)?(?!(?:attribution_link|watch|results)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)(?P<id>[A-Za-z0-9_-]+)'
+    _VALID_URL = r'(?:(?:https?://(?:\w+\.)?youtube\.com/(?:(?P<user>user|c)/)?(?!(?:attribution_link|watch|results|shared)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)(?P<id>[A-Za-z0-9_-]+)'
     _TEMPLATE_URL = 'https://www.youtube.com/%s/%s/videos'
     IE_NAME = 'youtube:user'
 
@@ -2510,10 +2708,11 @@ class YoutubeLiveIE(YoutubeBaseInfoExtractor):
         webpage = self._download_webpage(url, channel_id, fatal=False)
         if webpage:
             page_type = self._og_search_property(
-                'type', webpage, 'page type', default=None)
+                'type', webpage, 'page type', default='')
             video_id = self._html_search_meta(
                 'videoId', webpage, 'video id', default=None)
-            if page_type == 'video' and video_id and re.match(r'^[0-9A-Za-z_-]{11}$', video_id):
+            if page_type.startswith('video') and video_id and re.match(
+                    r'^[0-9A-Za-z_-]{11}$', video_id):
                 return self.url_result(video_id, YoutubeIE.ie_key())
         return self.url_result(base_url)
 
@@ -2548,7 +2747,11 @@ class YoutubePlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
     }]
 
 
-class YoutubeSearchIE(SearchInfoExtractor, YoutubePlaylistIE):
+class YoutubeSearchBaseInfoExtractor(YoutubePlaylistBaseInfoExtractor):
+    _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
+
+
+class YoutubeSearchIE(SearchInfoExtractor, YoutubeSearchBaseInfoExtractor):
     IE_DESC = 'YouTube.com searches'
     # there doesn't appear to be a real limit, for example if you search for
     # 'python' you get more than 8.000.000 results
@@ -2582,8 +2785,7 @@ class YoutubeSearchIE(SearchInfoExtractor, YoutubePlaylistIE):
                 raise ExtractorError(
                     '[youtube] No video results', expected=True)
 
-            new_videos = self._ids_to_results(orderedSet(re.findall(
-                r'href="/watch\?v=(.{11})', html_content)))
+            new_videos = list(self._process_page(html_content))
             videos += new_videos
             if not new_videos or len(videos) > limit:
                 break
@@ -2606,11 +2808,10 @@ class YoutubeSearchDateIE(YoutubeSearchIE):
     _EXTRA_QUERY_ARGS = {'search_sort': 'video_date_uploaded'}
 
 
-class YoutubeSearchURLIE(YoutubePlaylistBaseInfoExtractor):
+class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
     IE_DESC = 'YouTube.com search URLs'
     IE_NAME = 'youtube:search_url'
     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?P<query>[^&]+)(?:[&]|$)'
-    _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
     _TESTS = [{
         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
         'playlist_mincount': 5,
@@ -2662,10 +2863,7 @@ class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
     def _real_initialize(self):
         self._login()
 
-    def _real_extract(self, url):
-        page = self._download_webpage(
-            'https://www.youtube.com/feed/%s' % self._FEED_NAME, self._PLAYLIST_TITLE)
-
+    def _entries(self, page):
         # The extraction process is the same as for playlists, but the regex
         # for the video ids doesn't contain an index
         ids = []
@@ -2676,12 +2874,15 @@ class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
             # 'recommended' feed has infinite 'load more' and each new portion spins
             # the same videos in (sometimes) slightly different order, so we'll check
             # for unicity and break when portion has no new videos
-            new_ids = filter(lambda video_id: video_id not in ids, orderedSet(matches))
+            new_ids = list(filter(lambda video_id: video_id not in ids, orderedSet(matches)))
             if not new_ids:
                 break
 
             ids.extend(new_ids)
 
+            for entry in self._ids_to_results(new_ids):
+                yield entry
+
             mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
             if not mobj:
                 break
@@ -2693,8 +2894,12 @@ class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
             content_html = more['content_html']
             more_widget_html = more['load_more_widget_html']
 
+    def _real_extract(self, url):
+        page = self._download_webpage(
+            'https://www.youtube.com/feed/%s' % self._FEED_NAME,
+            self._PLAYLIST_TITLE)
         return self.playlist_result(
-            self._ids_to_results(ids), playlist_title=self._PLAYLIST_TITLE)
+            self._entries(page), playlist_title=self._PLAYLIST_TITLE)
 
 
 class YoutubeWatchLaterIE(YoutubePlaylistIE):