working - worldstarhiphop IE
[youtube-dl] / youtube_dl / InfoExtractors.py
index e3cf7e11598448aeb13028dff31a3018032d7906..f69bad4f3a77d49be2d8b9cac3c6c256f4ee9898 100755 (executable)
@@ -3,7 +3,9 @@
 
 from __future__ import absolute_import
 
+import base64
 import datetime
+import itertools
 import netrc
 import os
 import re
@@ -13,6 +15,7 @@ import email.utils
 import xml.etree.ElementTree
 import random
 import math
+import operator
 
 from .utils import *
 
@@ -34,15 +37,16 @@ class InfoExtractor(object):
     url:            Final video URL.
     title:          Video title, unescaped.
     ext:            Video filename extension.
-    uploader:       Full name of the video uploader.
-    upload_date:    Video upload date (YYYYMMDD).
 
     The following fields are optional:
 
     format:         The video format, defaults to ext (used for --get-format)
     thumbnail:      Full URL to a video thumbnail image.
     description:    One-line video description.
+    uploader:       Full name of the video uploader.
+    upload_date:    Video upload date (YYYYMMDD).
     uploader_id:    Nickname or id of the video uploader.
+    location:       Physical location of the video.
     player_url:     SWF Player URL (used for rtmpdump).
     subtitles:      The .srt file contents.
     urlhandle:      [internal] The urlHandle to be used to download the file,
@@ -70,13 +74,15 @@ class InfoExtractor(object):
         self._ready = False
         self.set_downloader(downloader)
 
-    def suitable(self, url):
+    @classmethod
+    def suitable(cls, url):
         """Receives a URL and returns True if suitable for this IE."""
-        return re.match(self._VALID_URL, url) is not None
+        return re.match(cls._VALID_URL, url) is not None
 
-    def working(self):
+    @classmethod
+    def working(cls):
         """Getter method for _WORKING."""
-        return self._WORKING
+        return cls._WORKING
 
     def initialize(self):
         """Initializes an instance (authentication, etc)."""
@@ -105,6 +111,25 @@ class InfoExtractor(object):
     def IE_NAME(self):
         return type(self).__name__[:-2]
 
+    def _request_webpage(self, url_or_request, video_id, note=None, errnote=None):
+        """ Returns the response handle """
+        if note is None:
+            note = u'Downloading video webpage'
+        self._downloader.to_screen(u'[%s] %s: %s' % (self.IE_NAME, video_id, note))
+        try:
+            return compat_urllib_request.urlopen(url_or_request)
+        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+            if errnote is None:
+                errnote = u'Unable to download webpage'
+            raise ExtractorError(u'%s: %s' % (errnote, compat_str(err)), sys.exc_info()[2])
+
+    def _download_webpage(self, url_or_request, video_id, note=None, errnote=None):
+        """ Returns the data of the page as a string """
+        urlh = self._request_webpage(url_or_request, video_id, note, errnote)
+        webpage_bytes = urlh.read()
+        return webpage_bytes.decode('utf-8', 'replace')
+
+
 class YoutubeIE(InfoExtractor):
     """Information extractor for youtube.com."""
 
@@ -114,7 +139,6 @@ class YoutubeIE(InfoExtractor):
                          (?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/|
                             tube\.majestyc\.net/)                             # the various hostnames, with wildcard subdomains
                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
-                         (?!view_play_list|my_playlists|artist|playlist)      # ignore playlist URLs
                          (?:                                                  # the various things that can precede the ID:
                              (?:(?:v|embed|e)/)                               # v/ or embed/ or e/
                              |(?:                                             # or the v= param in all its forms
@@ -129,7 +153,7 @@ class YoutubeIE(InfoExtractor):
                      (?(1).+)?                                                # if we found the ID, everything can follow
                      $"""
     _LANG_URL = r'http://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
-    _LOGIN_URL = 'https://www.youtube.com/signup?next=/&gl=US&hl=en'
+    _LOGIN_URL = 'https://accounts.google.com/ServiceLogin'
     _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
     _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
     _NETRC_MACHINE = 'youtube'
@@ -166,9 +190,11 @@ class YoutubeIE(InfoExtractor):
     }
     IE_NAME = u'youtube'
 
-    def suitable(self, url):
+    @classmethod
+    def suitable(cls, url):
         """Receives a URL and returns True if suitable for this IE."""
-        return re.match(self._VALID_URL, url, re.VERBOSE) is not None
+        if YoutubePlaylistIE.suitable(url): return False
+        return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
 
     def report_lang(self):
         """Report attempt to set language."""
@@ -242,13 +268,18 @@ class YoutubeIE(InfoExtractor):
             srt_lang = list(srt_lang_list.keys())[0]
         if not srt_lang in srt_lang_list:
             return (u'WARNING: no closed captions found in the specified language', None)
-        request = compat_urllib_request.Request('http://www.youtube.com/api/timedtext?lang=%s&name=%s&v=%s' % (srt_lang, srt_lang_list[srt_lang], video_id))
+        params = compat_urllib_parse.urlencode({
+            'lang': srt_lang,
+            'name': srt_lang_list[srt_lang].encode('utf-8'),
+            'v': video_id,
+        })
+        url = 'http://www.youtube.com/api/timedtext?' + params
         try:
-            srt_xml = compat_urllib_request.urlopen(request).read().decode('utf-8')
+            srt_xml = compat_urllib_request.urlopen(url).read().decode('utf-8')
         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
             return (u'WARNING: unable to download video subtitles: %s' % compat_str(err), None)
         if not srt_xml:
-            return (u'WARNING: unable to download video subtitles', None)
+            return (u'WARNING: Did not fetch video subtitles', None)
         return (None, self._closed_captions_xml_to_srt(srt_xml))
 
     def _print_formats(self, formats):
@@ -277,7 +308,7 @@ class YoutubeIE(InfoExtractor):
                 else:
                     raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
             except (IOError, netrc.NetrcParseError) as err:
-                self._downloader.to_stderr(u'WARNING: parsing .netrc: %s' % compat_str(err))
+                self._downloader.report_warning(u'parsing .netrc: %s' % compat_str(err))
                 return
 
         # Set language
@@ -286,30 +317,65 @@ class YoutubeIE(InfoExtractor):
             self.report_lang()
             compat_urllib_request.urlopen(request).read()
         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.to_stderr(u'WARNING: unable to set language: %s' % compat_str(err))
+            self._downloader.report_warning(u'unable to set language: %s' % compat_str(err))
             return
 
         # No authentication to be performed
         if username is None:
             return
 
+        request = compat_urllib_request.Request(self._LOGIN_URL)
+        try:
+            login_page = compat_urllib_request.urlopen(request).read().decode('utf-8')
+        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+            self._downloader.report_warning(u'unable to fetch login page: %s' % compat_str(err))
+            return
+
+        galx = None
+        dsh = None
+        match = re.search(re.compile(r'<input.+?name="GALX".+?value="(.+?)"', re.DOTALL), login_page)
+        if match:
+          galx = match.group(1)
+
+        match = re.search(re.compile(r'<input.+?name="dsh".+?value="(.+?)"', re.DOTALL), login_page)
+        if match:
+          dsh = match.group(1)
+
         # Log in
-        login_form = {
-                'current_form': 'loginForm',
-                'next':     '/',
-                'action_login': 'Log In',
-                'username': username,
-                'password': password,
-                }
-        request = compat_urllib_request.Request(self._LOGIN_URL, compat_urllib_parse.urlencode(login_form))
+        login_form_strs = {
+                u'continue': u'http://www.youtube.com/signin?action_handle_signin=true&feature=sign_in_button&hl=en_US&nomobiletemp=1',
+                u'Email': username,
+                u'GALX': galx,
+                u'Passwd': password,
+                u'PersistentCookie': u'yes',
+                u'_utf8': u'霱',
+                u'bgresponse': u'js_disabled',
+                u'checkConnection': u'',
+                u'checkedDomains': u'youtube',
+                u'dnConn': u'',
+                u'dsh': dsh,
+                u'pstMsg': u'0',
+                u'rmShown': u'1',
+                u'secTok': u'',
+                u'signIn': u'Sign in',
+                u'timeStmp': u'',
+                u'service': u'youtube',
+                u'uilel': u'3',
+                u'hl': u'en_US',
+        }
+        # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
+        # chokes on unicode
+        login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k,v in login_form_strs.items())
+        login_data = compat_urllib_parse.urlencode(login_form).encode('ascii')
+        request = compat_urllib_request.Request(self._LOGIN_URL, login_data)
         try:
             self.report_login()
             login_results = compat_urllib_request.urlopen(request).read().decode('utf-8')
-            if re.search(r'(?i)<form[^>]* name="loginForm"', login_results) is not None:
-                self._downloader.to_stderr(u'WARNING: unable to log in: bad username or password')
+            if re.search(r'(?i)<form[^>]* id="gaia_loginform"', login_results) is not None:
+                self._downloader.report_warning(u'unable to log in: bad username or password')
                 return
         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.to_stderr(u'WARNING: unable to log in: %s' % compat_str(err))
+            self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
             return
 
         # Confirm age
@@ -397,7 +463,7 @@ class YoutubeIE(InfoExtractor):
 
         # uploader_id
         video_uploader_id = None
-        mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/user/([^"]+)">', video_webpage)
+        mobj = re.search(r'<link itemprop="url" href="http://www.youtube.com/(?:user|channel)/([^"]+)">', video_webpage)
         if mobj is not None:
             video_uploader_id = mobj.group(1)
         else:
@@ -656,14 +722,11 @@ class DailymotionIE(InfoExtractor):
 
     _VALID_URL = r'(?i)(?:https?://)?(?:www\.)?dailymotion\.[a-z]{2,3}/video/([^/]+)'
     IE_NAME = u'dailymotion'
+    _WORKING = False
 
     def __init__(self, downloader=None):
         InfoExtractor.__init__(self, downloader)
 
-    def report_download_webpage(self, video_id):
-        """Report webpage download."""
-        self._downloader.to_screen(u'[dailymotion] %s: Downloading webpage' % video_id)
-
     def report_extraction(self, video_id):
         """Report information extraction."""
         self._downloader.to_screen(u'[dailymotion] %s: Extracting information' % video_id)
@@ -682,13 +745,7 @@ class DailymotionIE(InfoExtractor):
         # Retrieve video webpage to extract further information
         request = compat_urllib_request.Request(url)
         request.add_header('Cookie', 'family_filter=off')
-        try:
-            self.report_download_webpage(video_id)
-            webpage_bytes = compat_urllib_request.urlopen(request).read()
-            webpage = webpage_bytes.decode('utf-8')
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable retrieve video webpage: %s' % compat_str(err))
-            return
+        webpage = self._download_webpage(request, video_id)
 
         # Extract URL, uploader and title from webpage
         self.report_extraction(video_id)
@@ -961,7 +1018,7 @@ class VimeoIE(InfoExtractor):
     """Information extractor for vimeo.com."""
 
     # _VALID_URL matches Vimeo URLs
-    _VALID_URL = r'(?:https?://)?(?:(?:www|player).)?vimeo\.com/(?:(?:groups|album)/[^/]+/)?(?:videos?/)?([0-9]+)'
+    _VALID_URL = r'(?P<proto>https?://)?(?:(?:www|player)\.)?vimeo\.com/(?:(?:groups|album)/[^/]+/)?(?P<direct_link>play_redirect_hls\?clip_id=)?(?:videos?/)?(?P<id>[0-9]+)'
     IE_NAME = u'vimeo'
 
     def __init__(self, downloader=None):
@@ -982,7 +1039,11 @@ class VimeoIE(InfoExtractor):
             self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
             return
 
-        video_id = mobj.group(1)
+        video_id = mobj.group('id')
+        if not mobj.group('proto'):
+            url = 'https://' + url
+        if mobj.group('direct_link'):
+            url = 'https://vimeo.com/' + video_id
 
         # Retrieve video webpage to extract further information
         request = compat_urllib_request.Request(url, None, std_headers)
@@ -1093,7 +1154,6 @@ class ArteTvIE(InfoExtractor):
         self._downloader.to_screen(u'[arte.tv] %s: Extracting information' % video_id)
 
     def fetch_webpage(self, url):
-        self._downloader.increment_downloads()
         request = compat_urllib_request.Request(url)
         try:
             self.report_download_webpage(url)
@@ -1274,7 +1334,7 @@ class GenericIE(InfoExtractor):
         opener = compat_urllib_request.OpenerDirector()
         for handler in [compat_urllib_request.HTTPHandler, compat_urllib_request.HTTPDefaultErrorHandler,
                         HTTPMethodFallback, HEADRedirectHandler,
-                        compat_urllib_error.HTTPErrorProcessor, compat_urllib_request.HTTPSHandler]:
+                        compat_urllib_request.HTTPErrorProcessor, compat_urllib_request.HTTPSHandler]:
             opener.add_handler(handler())
 
         response = opener.open(HeadRequest(url))
@@ -1310,6 +1370,9 @@ class GenericIE(InfoExtractor):
         if mobj is None:
             # Broaden the search a little bit
             mobj = re.search(r'[^A-Za-z0-9]?(?:file|source)=(http[^\'"&]*)', webpage)
+        if mobj is None:
+            # Broaden the search a little bit: JWPlayer JS loader
+            mobj = re.search(r'[^A-Za-z0-9]?file:\s*["\'](http[^\'"&]*)', webpage)
         if mobj is None:
             self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
             return
@@ -1393,7 +1456,7 @@ class YoutubeSearchIE(InfoExtractor):
                     self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
                     return
                 elif n > self._max_youtube_results:
-                    self._downloader.to_stderr(u'WARNING: ytsearch returns max %i results (you requested %i)' % (self._max_youtube_results, n))
+                    self._downloader.report_warning(u'ytsearch returns max %i results (you requested %i)' % (self._max_youtube_results, n))
                     n = self._max_youtube_results
                 self._download_n_results(query, n)
                 return
@@ -1413,12 +1476,16 @@ class YoutubeSearchIE(InfoExtractor):
             result_url = self._API_URL % (compat_urllib_parse.quote_plus(query), (50*pagenum)+1)
             request = compat_urllib_request.Request(result_url)
             try:
-                data = compat_urllib_request.urlopen(request).read()
+                data = compat_urllib_request.urlopen(request).read().decode('utf-8')
             except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
                 self._downloader.trouble(u'ERROR: unable to download API page: %s' % compat_str(err))
                 return
             api_response = json.loads(data)['data']
 
+            if not 'items' in api_response:
+                self._downloader.trouble(u'[youtube] No video results')
+                return
+
             new_ids = list(video['id'] for video in api_response['items'])
             video_ids += new_ids
 
@@ -1471,7 +1538,7 @@ class GoogleSearchIE(InfoExtractor):
                     self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
                     return
                 elif n > self._max_google_results:
-                    self._downloader.to_stderr(u'WARNING: gvsearch returns max %i results (you requested %i)' % (self._max_google_results, n))
+                    self._downloader.report_warning(u'gvsearch returns max %i results (you requested %i)' % (self._max_google_results, n))
                     n = self._max_google_results
                 self._download_n_results(query, n)
                 return
@@ -1555,7 +1622,7 @@ class YahooSearchIE(InfoExtractor):
                     self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
                     return
                 elif n > self._max_yahoo_results:
-                    self._downloader.to_stderr(u'WARNING: yvsearch returns max %i results (you requested %i)' % (self._max_yahoo_results, n))
+                    self._downloader.report_warning(u'yvsearch returns max %i results (you requested %i)' % (self._max_yahoo_results, n))
                     n = self._max_yahoo_results
                 self._download_n_results(query, n)
                 return
@@ -1603,80 +1670,94 @@ class YahooSearchIE(InfoExtractor):
 class YoutubePlaylistIE(InfoExtractor):
     """Information Extractor for YouTube playlists."""
 
-    _VALID_URL = r'(?:(?:https?://)?(?:\w+\.)?youtube\.com/(?:(?:course|view_play_list|my_playlists|artist|playlist)\?.*?(p|a|list)=|user/.*?/user/|p/|user/.*?#[pg]/c/)(?:PL|EC)?|PL|EC)([0-9A-Za-z-_]{10,})(?:/.*?/([0-9A-Za-z_-]+))?.*'
-    _TEMPLATE_URL = 'http://www.youtube.com/%s?%s=%s&page=%s&gl=US&hl=en'
-    _VIDEO_INDICATOR_TEMPLATE = r'/watch\?v=(.+?)&amp;([^&"]+&amp;)*list=.*?%s'
-    _MORE_PAGES_INDICATOR = u"Next \N{RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK}"
+    _VALID_URL = r"""(?:
+                        (?:https?://)?
+                        (?:\w+\.)?
+                        youtube\.com/
+                        (?:
+                           (?:course|view_play_list|my_playlists|artist|playlist|watch)
+                           \? (?:.*?&)*? (?:p|a|list)=
+                        |  user/.*?/user/
+                        |  p/
+                        |  user/.*?#[pg]/c/
+                        )
+                        ((?:PL|EC|UU)?[0-9A-Za-z-_]{10,})
+                        .*
+                     |
+                        ((?:PL|EC|UU)[0-9A-Za-z-_]{10,})
+                     )"""
+    _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json'
+    _MAX_RESULTS = 50
     IE_NAME = u'youtube:playlist'
 
     def __init__(self, downloader=None):
         InfoExtractor.__init__(self, downloader)
 
+    @classmethod
+    def suitable(cls, url):
+        """Receives a URL and returns True if suitable for this IE."""
+        return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
+
     def report_download_page(self, playlist_id, pagenum):
         """Report attempt to download playlist page with given number."""
         self._downloader.to_screen(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
 
     def _real_extract(self, url):
         # Extract playlist id
-        mobj = re.match(self._VALID_URL, url)
+        mobj = re.match(self._VALID_URL, url, re.VERBOSE)
         if mobj is None:
             self._downloader.trouble(u'ERROR: invalid url: %s' % url)
             return
 
-        # Single video case
-        if mobj.group(3) is not None:
-            self._downloader.download([mobj.group(3)])
-            return
-
-        # Download playlist pages
-        # prefix is 'p' as default for playlists but there are other types that need extra care
-        playlist_prefix = mobj.group(1)
-        if playlist_prefix == 'a':
-            playlist_access = 'artist'
-        else:
-            playlist_prefix = 'p'
-            playlist_access = 'view_play_list'
-        playlist_id = mobj.group(2)
-        video_ids = []
-        pagenum = 1
+        # Download playlist videos from API
+        playlist_id = mobj.group(1) or mobj.group(2)
+        page_num = 1
+        videos = []
 
         while True:
-            self.report_download_page(playlist_id, pagenum)
-            url = self._TEMPLATE_URL % (playlist_access, playlist_prefix, playlist_id, pagenum)
-            request = compat_urllib_request.Request(url)
+            self.report_download_page(playlist_id, page_num)
+
+            url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, self._MAX_RESULTS * (page_num - 1) + 1)
             try:
-                page = compat_urllib_request.urlopen(request).read().decode('utf-8')
+                page = compat_urllib_request.urlopen(url).read().decode('utf8')
             except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
                 self._downloader.trouble(u'ERROR: unable to download webpage: %s' % compat_str(err))
                 return
 
-            # Extract video identifiers
-            ids_in_page = []
-            for mobj in re.finditer(self._VIDEO_INDICATOR_TEMPLATE % playlist_id, page):
-                if mobj.group(1) not in ids_in_page:
-                    ids_in_page.append(mobj.group(1))
-            video_ids.extend(ids_in_page)
+            try:
+                response = json.loads(page)
+            except ValueError as err:
+                self._downloader.trouble(u'ERROR: Invalid JSON in API response: ' + compat_str(err))
+                return
 
-            if self._MORE_PAGES_INDICATOR not in page:
+            if not 'feed' in response or not 'entry' in response['feed']:
+                self._downloader.trouble(u'ERROR: Got a malformed response from YouTube API')
+                return
+            videos += [ (entry['yt$position']['$t'], entry['content']['src'])
+                        for entry in response['feed']['entry']
+                        if 'content' in entry ]
+
+            if len(response['feed']['entry']) < self._MAX_RESULTS:
                 break
-            pagenum = pagenum + 1
+            page_num += 1
 
-        total = len(video_ids)
+        videos = [v[1] for v in sorted(videos)]
+        total = len(videos)
 
         playliststart = self._downloader.params.get('playliststart', 1) - 1
         playlistend = self._downloader.params.get('playlistend', -1)
         if playlistend == -1:
-            video_ids = video_ids[playliststart:]
+            videos = videos[playliststart:]
         else:
-            video_ids = video_ids[playliststart:playlistend]
+            videos = videos[playliststart:playlistend]
 
-        if len(video_ids) == total:
+        if len(videos) == total:
             self._downloader.to_screen(u'[youtube] PL %s: Found %i videos' % (playlist_id, total))
         else:
-            self._downloader.to_screen(u'[youtube] PL %s: Found %i videos, downloading %i' % (playlist_id, total, len(video_ids)))
+            self._downloader.to_screen(u'[youtube] PL %s: Found %i videos, downloading %i' % (playlist_id, total, len(videos)))
 
-        for id in video_ids:
-            self._downloader.download(['http://www.youtube.com/watch?v=%s' % id])
+        for video in videos:
+            self._downloader.download([video])
         return
 
 
@@ -1862,9 +1943,8 @@ class BlipTVUserIE(InfoExtractor):
 
         while True:
             self.report_download_page(username, pagenum)
-
-            request = compat_urllib_request.Request( page_base + "&page=" + str(pagenum) )
-
+            url = page_base + "&page=" + str(pagenum)
+            request = compat_urllib_request.Request( url )
             try:
                 page = compat_urllib_request.urlopen(request).read().decode('utf-8')
             except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
@@ -1911,10 +1991,6 @@ class DepositFilesIE(InfoExtractor):
     """Information extractor for depositfiles.com"""
 
     _VALID_URL = r'(?:http://)?(?:\w+\.)?depositfiles\.com/(?:../(?#locale))?files/(.+)'
-    IE_NAME = u'DepositFiles'
-
-    def __init__(self, downloader=None):
-        InfoExtractor.__init__(self, downloader)
 
     def report_download_webpage(self, file_id):
         """Report webpage download."""
@@ -1974,62 +2050,14 @@ class DepositFilesIE(InfoExtractor):
 class FacebookIE(InfoExtractor):
     """Information Extractor for Facebook"""
 
-    _WORKING = False
     _VALID_URL = r'^(?:https?://)?(?:\w+\.)?facebook\.com/(?:video/video|photo)\.php\?(?:.*?)v=(?P<ID>\d+)(?:.*)'
     _LOGIN_URL = 'https://login.facebook.com/login.php?m&next=http%3A%2F%2Fm.facebook.com%2Fhome.php&'
     _NETRC_MACHINE = 'facebook'
-    _available_formats = ['video', 'highqual', 'lowqual']
-    _video_extensions = {
-        'video': 'mp4',
-        'highqual': 'mp4',
-        'lowqual': 'mp4',
-    }
     IE_NAME = u'facebook'
 
-    def __init__(self, downloader=None):
-        InfoExtractor.__init__(self, downloader)
-
-    def _reporter(self, message):
-        """Add header and report message."""
-        self._downloader.to_screen(u'[facebook] %s' % message)
-
     def report_login(self):
         """Report attempt to log in."""
-        self._reporter(u'Logging in')
-
-    def report_video_webpage_download(self, video_id):
-        """Report attempt to download video webpage."""
-        self._reporter(u'%s: Downloading video webpage' % video_id)
-
-    def report_information_extraction(self, video_id):
-        """Report attempt to extract video information."""
-        self._reporter(u'%s: Extracting video information' % video_id)
-
-    def _parse_page(self, video_webpage):
-        """Extract video information from page"""
-        # General data
-        data = {'title': r'\("video_title", "(.*?)"\)',
-            'description': r'<div class="datawrap">(.*?)</div>',
-            'owner': r'\("video_owner_name", "(.*?)"\)',
-            'thumbnail':  r'\("thumb_url", "(?P<THUMB>.*?)"\)',
-            }
-        video_info = {}
-        for piece in data.keys():
-            mobj = re.search(data[piece], video_webpage)
-            if mobj is not None:
-                video_info[piece] = compat_urllib_parse.unquote_plus(mobj.group(1).decode("unicode_escape"))
-
-        # Video urls
-        video_urls = {}
-        for fmt in self._available_formats:
-            mobj = re.search(r'\("%s_src\", "(.+?)"\)' % fmt, video_webpage)
-            if mobj is not None:
-                # URL is in a Javascript segment inside an escaped Unicode format within
-                # the generally utf-8 page
-                video_urls[fmt] = compat_urllib_parse.unquote_plus(mobj.group(1).decode("unicode_escape"))
-        video_info['video_urls'] = video_urls
-
-        return video_info
+        self._downloader.to_screen(u'[%s] Logging in' % self.IE_NAME)
 
     def _real_initialize(self):
         if self._downloader is None:
@@ -2052,7 +2080,7 @@ class FacebookIE(InfoExtractor):
                 else:
                     raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
             except (IOError, netrc.NetrcParseError) as err:
-                self._downloader.to_stderr(u'WARNING: parsing .netrc: %s' % compat_str(err))
+                self._downloader.report_warning(u'parsing .netrc: %s' % compat_str(err))
                 return
 
         if useremail is None:
@@ -2069,10 +2097,10 @@ class FacebookIE(InfoExtractor):
             self.report_login()
             login_results = compat_urllib_request.urlopen(request).read()
             if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
-                self._downloader.to_stderr(u'WARNING: unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.')
+                self._downloader.report_warning(u'unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.')
                 return
         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.to_stderr(u'WARNING: unable to log in: %s' % compat_str(err))
+            self._downloader.report_warning(u'unable to log in: %s' % compat_str(err))
             return
 
     def _real_extract(self, url):
@@ -2082,100 +2110,39 @@ class FacebookIE(InfoExtractor):
             return
         video_id = mobj.group('ID')
 
-        # Get video webpage
-        self.report_video_webpage_download(video_id)
-        request = compat_urllib_request.Request('https://www.facebook.com/video/video.php?v=%s' % video_id)
-        try:
-            page = compat_urllib_request.urlopen(request)
-            video_webpage = page.read()
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err))
-            return
-
-        # Start extracting information
-        self.report_information_extraction(video_id)
-
-        # Extract information
-        video_info = self._parse_page(video_webpage)
-
-        # uploader
-        if 'owner' not in video_info:
-            self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
-            return
-        video_uploader = video_info['owner']
+        url = 'https://www.facebook.com/video/video.php?v=%s' % video_id
+        webpage = self._download_webpage(url, video_id)
 
-        # title
-        if 'title' not in video_info:
-            self._downloader.trouble(u'ERROR: unable to extract video title')
-            return
-        video_title = video_info['title']
-        video_title = video_title.decode('utf-8')
-
-        # thumbnail image
-        if 'thumbnail' not in video_info:
-            self._downloader.trouble(u'WARNING: unable to extract video thumbnail')
-            video_thumbnail = ''
-        else:
-            video_thumbnail = video_info['thumbnail']
-
-        # upload date
-        upload_date = None
-        if 'upload_date' in video_info:
-            upload_time = video_info['upload_date']
-            timetuple = email.utils.parsedate_tz(upload_time)
-            if timetuple is not None:
-                try:
-                    upload_date = time.strftime('%Y%m%d', timetuple[0:9])
-                except:
-                    pass
-
-        # description
-        video_description = video_info.get('description', 'No description available.')
-
-        url_map = video_info['video_urls']
-        if url_map:
-            # Decide which formats to download
-            req_format = self._downloader.params.get('format', None)
-            format_limit = self._downloader.params.get('format_limit', None)
-
-            if format_limit is not None and format_limit in self._available_formats:
-                format_list = self._available_formats[self._available_formats.index(format_limit):]
-            else:
-                format_list = self._available_formats
-            existing_formats = [x for x in format_list if x in url_map]
-            if len(existing_formats) == 0:
-                self._downloader.trouble(u'ERROR: no known formats available for video')
-                return
-            if req_format is None:
-                video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
-            elif req_format == 'worst':
-                video_url_list = [(existing_formats[len(existing_formats)-1], url_map[existing_formats[len(existing_formats)-1]])] # worst quality
-            elif req_format == '-1':
-                video_url_list = [(f, url_map[f]) for f in existing_formats] # All formats
-            else:
-                # Specific format
-                if req_format not in url_map:
-                    self._downloader.trouble(u'ERROR: requested format not available')
-                    return
-                video_url_list = [(req_format, url_map[req_format])] # Specific format
+        BEFORE = '[["allowFullScreen","true"],["allowScriptAccess","always"],["salign","tl"],["scale","noscale"],["wmode","opaque"]].forEach(function(param) {swf.addParam(param[0], param[1]);});\n'
+        AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});'
+        m = re.search(re.escape(BEFORE) + '(.*?)' + re.escape(AFTER), webpage)
+        if not m:
+            raise ExtractorError(u'Cannot parse data')
+        data = dict(json.loads(m.group(1)))
+        params_raw = compat_urllib_parse.unquote(data['params'])
+        params = json.loads(params_raw)
+        video_url = params['hd_src']
+        if not video_url:
+            video_url = params['sd_src']
+        if not video_url:
+            raise ExtractorError(u'Cannot find video URL')
+        video_duration = int(params['video_duration'])
+
+        m = re.search('<h2 class="uiHeaderTitle">([^<]+)</h2>', webpage)
+        if not m:
+            raise ExtractorError(u'Cannot find title in webpage')
+        video_title = unescapeHTML(m.group(1))
 
-        results = []
-        for format_param, video_real_url in video_url_list:
-            # Extension
-            video_extension = self._video_extensions.get(format_param, 'mp4')
+        info = {
+            'id': video_id,
+            'title': video_title,
+            'url': video_url,
+            'ext': 'mp4',
+            'duration': video_duration,
+            'thumbnail': params['thumbnail_src'],
+        }
+        return [info]
 
-            results.append({
-                'id':       video_id.decode('utf-8'),
-                'url':      video_real_url.decode('utf-8'),
-                'uploader': video_uploader.decode('utf-8'),
-                'upload_date':  upload_date,
-                'title':    video_title,
-                'ext':      video_extension.decode('utf-8'),
-                'format':   (format_param is None and u'NA' or format_param.decode('utf-8')),
-                'thumbnail':    video_thumbnail.decode('utf-8'),
-                'description':  video_description.decode('utf-8'),
-            })
-        return results
 
 class BlipTVIE(InfoExtractor):
     """Information extractor for blip.tv"""
@@ -2198,12 +2165,24 @@ class BlipTVIE(InfoExtractor):
             self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
             return
 
+        urlp = compat_urllib_parse_urlparse(url)
+        if urlp.path.startswith('/play/'):
+            request = compat_urllib_request.Request(url)
+            response = compat_urllib_request.urlopen(request)
+            redirecturl = response.geturl()
+            rurlp = compat_urllib_parse_urlparse(redirecturl)
+            file_id = compat_parse_qs(rurlp.fragment)['file'][0].rpartition('/')[2]
+            url = 'http://blip.tv/a/a-' + file_id
+            return self._real_extract(url)
+
+
         if '?' in url:
             cchar = '&'
         else:
             cchar = '?'
         json_url = url + cchar + 'skin=json&version=2&no_wrap=1'
         request = compat_urllib_request.Request(json_url)
+        request.add_header('User-Agent', 'iTunes/10.6.1')
         self.report_extraction(mobj.group(1))
         info = None
         try:
@@ -2224,8 +2203,7 @@ class BlipTVIE(InfoExtractor):
                     'urlhandle': urlh
                 }
         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to download video info webpage: %s' % compat_str(err))
-            return
+            raise ExtractorError(u'ERROR: unable to download video info webpage: %s' % compat_str(err))
         if info is None: # Regular URL
             try:
                 json_code_bytes = urlh.read()
@@ -2258,13 +2236,13 @@ class BlipTVIE(InfoExtractor):
                     'format': data['media']['mimeType'],
                     'thumbnail': data['thumbnailUrl'],
                     'description': data['description'],
-                    'player_url': data['embedUrl']
+                    'player_url': data['embedUrl'],
+                    'user_agent': 'iTunes/10.6.1',
                 }
             except (ValueError,KeyError) as err:
                 self._downloader.trouble(u'ERROR: unable to parse video information: %s' % repr(err))
                 return
 
-        std_headers['User-Agent'] = 'iTunes/10.6.1'
         return [info]
 
 
@@ -2277,10 +2255,6 @@ class MyVideoIE(InfoExtractor):
     def __init__(self, downloader=None):
         InfoExtractor.__init__(self, downloader)
 
-    def report_download_webpage(self, video_id):
-        """Report webpage download."""
-        self._downloader.to_screen(u'[myvideo] %s: Downloading webpage' % video_id)
-
     def report_extraction(self, video_id):
         """Report information extraction."""
         self._downloader.to_screen(u'[myvideo] %s: Extracting information' % video_id)
@@ -2294,16 +2268,11 @@ class MyVideoIE(InfoExtractor):
         video_id = mobj.group(1)
 
         # Get video webpage
-        request = compat_urllib_request.Request('http://www.myvideo.de/watch/%s' % video_id)
-        try:
-            self.report_download_webpage(video_id)
-            webpage = compat_urllib_request.urlopen(request).read().decode('utf-8')
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % compat_str(err))
-            return
+        webpage_url = 'http://www.myvideo.de/watch/%s' % video_id
+        webpage = self._download_webpage(webpage_url, video_id)
 
         self.report_extraction(video_id)
-        mobj = re.search(r'<link rel=\'image_src\' href=\'(http://is[0-9].myvideo\.de/de/movie[0-9]+/[a-f0-9]+)/thumbs/[^.]+\.jpg\' />',
+        mobj = re.search(r'<link rel=\'image_src\' href=\'(http://is[0-9].myvideo\.de/de/movie[0-9]+/[a-f0-9]+)/thumbs/.*?\.jpg\' />',
                  webpage)
         if mobj is None:
             self._downloader.trouble(u'ERROR: unable to extract media URL')
@@ -2342,7 +2311,6 @@ class ComedyCentralIE(InfoExtractor):
                               (the-colbert-report-(videos|collections)/(?P<clipID>[0-9]+)/[^/]*/(?P<cntitle>.*?))
                               |(watch/(?P<date>[^/]*)/(?P<tdstitle>.*)))))
                      $"""
-    IE_NAME = u'comedycentral'
 
     _available_formats = ['3500', '2200', '1700', '1200', '750', '400']
 
@@ -2363,23 +2331,20 @@ class ComedyCentralIE(InfoExtractor):
         '400': '384x216',
     }
 
-    def suitable(self, url):
+    @classmethod
+    def suitable(cls, url):
         """Receives a URL and returns True if suitable for this IE."""
-        return re.match(self._VALID_URL, url, re.VERBOSE) is not None
+        return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
 
     def report_extraction(self, episode_id):
         self._downloader.to_screen(u'[comedycentral] %s: Extracting information' % episode_id)
 
-    def report_config_download(self, episode_id):
-        self._downloader.to_screen(u'[comedycentral] %s: Downloading configuration' % episode_id)
+    def report_config_download(self, episode_id, media_id):
+        self._downloader.to_screen(u'[comedycentral] %s: Downloading configuration for %s' % (episode_id, media_id))
 
     def report_index_download(self, episode_id):
         self._downloader.to_screen(u'[comedycentral] %s: Downloading show index' % episode_id)
 
-    def report_player_url(self, episode_id):
-        self._downloader.to_screen(u'[comedycentral] %s: Determining player URL' % episode_id)
-
-
     def _print_formats(self, formats):
         print('Available formats:')
         for x in formats:
@@ -2418,6 +2383,7 @@ class ComedyCentralIE(InfoExtractor):
         try:
             htmlHandle = compat_urllib_request.urlopen(req)
             html = htmlHandle.read()
+            webpage = html.decode('utf-8')
         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
             self._downloader.trouble(u'ERROR: unable to download webpage: %s' % compat_str(err))
             return
@@ -2432,29 +2398,20 @@ class ComedyCentralIE(InfoExtractor):
                 return
             epTitle = mobj.group('episode')
 
-        mMovieParams = re.findall('(?:<param name="movie" value="|var url = ")(http://media.mtvnservices.com/([^"]*(?:episode|video).*?:.*?))"', html)
+        mMovieParams = re.findall('(?:<param name="movie" value="|var url = ")(http://media.mtvnservices.com/([^"]*(?:episode|video).*?:.*?))"', webpage)
 
         if len(mMovieParams) == 0:
             # The Colbert Report embeds the information in a without
             # a URL prefix; so extract the alternate reference
             # and then add the URL prefix manually.
 
-            altMovieParams = re.findall('data-mgid="([^"]*(?:episode|video).*?:.*?)"', html)
+            altMovieParams = re.findall('data-mgid="([^"]*(?:episode|video).*?:.*?)"', webpage)
             if len(altMovieParams) == 0:
                 self._downloader.trouble(u'ERROR: unable to find Flash URL in webpage ' + url)
                 return
             else:
                 mMovieParams = [("http://media.mtvnservices.com/" + altMovieParams[0], altMovieParams[0])]
 
-        playerUrl_raw = mMovieParams[0][0]
-        self.report_player_url(epTitle)
-        try:
-            urlHandle = compat_urllib_request.urlopen(playerUrl_raw)
-            playerUrl = urlHandle.geturl()
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to find out player URL: ' + compat_str(err))
-            return
-
         uri = mMovieParams[0][1]
         indexUrl = 'http://shadow.comedycentral.com/feeds/video_player/mrss/?' + compat_urllib_parse.urlencode({'uri': uri})
         self.report_index_download(epTitle)
@@ -2468,7 +2425,7 @@ class ComedyCentralIE(InfoExtractor):
 
         idoc = xml.etree.ElementTree.fromstring(indexXml)
         itemEls = idoc.findall('.//item')
-        for itemEl in itemEls:
+        for partNum,itemEl in enumerate(itemEls):
             mediaId = itemEl.findall('./guid')[0].text
             shortMediaId = mediaId.split(':')[-1]
             showId = mediaId.split(':')[-2].replace('.com', '')
@@ -2478,7 +2435,7 @@ class ComedyCentralIE(InfoExtractor):
             configUrl = ('http://www.comedycentral.com/global/feeds/entertainment/media/mediaGenEntertainment.jhtml?' +
                         compat_urllib_parse.urlencode({'uri': mediaId}))
             configReq = compat_urllib_request.Request(configUrl)
-            self.report_config_download(epTitle)
+            self.report_config_download(epTitle, shortMediaId)
             try:
                 configXml = compat_urllib_request.urlopen(configReq).read()
             except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
@@ -2500,7 +2457,7 @@ class ComedyCentralIE(InfoExtractor):
                 return
 
             # For now, just pick the highest bitrate
-            format,video_url = turls[-1]
+            format,rtmp_video_url = turls[-1]
 
             # Get the format arg from the arg stream
             req_format = self._downloader.params.get('format', None)
@@ -2508,18 +2465,16 @@ class ComedyCentralIE(InfoExtractor):
             # Select format if we can find one
             for f,v in turls:
                 if f == req_format:
-                    format, video_url = f, v
+                    format, rtmp_video_url = f, v
                     break
 
-            # Patch to download from alternative CDN, which does not
-            # break on current RTMPDump builds
-            broken_cdn = "rtmpe://viacomccstrmfs.fplive.net/viacomccstrm/gsp.comedystor/"
-            better_cdn = "rtmpe://cp10740.edgefcs.net/ondemand/mtvnorigin/gsp.comedystor/"
-
-            if video_url.startswith(broken_cdn):
-                video_url = video_url.replace(broken_cdn, better_cdn)
+            m = re.match(r'^rtmpe?://.*?/(?P<finalid>gsp.comedystor/.*)$', rtmp_video_url)
+            if not m:
+                raise ExtractorError(u'Cannot transform RTMP url')
+            base = 'http://mtvnmobile.vo.llnwd.net/kip0/_pxn=1+_pxI0=Ripod-h264+_pxL0=undefined+_pxM0=+_pxK=18639+_pxE=mp4/44620/mtvnorigin/'
+            video_url = base + m.group('finalid')
 
-            effTitle = showId + u'-' + epTitle
+            effTitle = showId + u'-' + epTitle + u' part ' + compat_str(partNum+1)
             info = {
                 'id': shortMediaId,
                 'url': video_url,
@@ -2530,9 +2485,7 @@ class ComedyCentralIE(InfoExtractor):
                 'format': format,
                 'thumbnail': None,
                 'description': officialTitle,
-                'player_url': None #playerUrl
             }
-
             results.append(info)
 
         return results
@@ -2604,7 +2557,7 @@ class EscapistIE(InfoExtractor):
             'uploader': showName,
             'upload_date': None,
             'title': showName,
-            'ext': 'flv',
+            'ext': 'mp4',
             'thumbnail': imgUrl,
             'description': description,
             'player_url': playerUrl,
@@ -2612,7 +2565,6 @@ class EscapistIE(InfoExtractor):
 
         return [info]
 
-
 class CollegeHumorIE(InfoExtractor):
     """Information extractor for collegehumor.com"""
 
@@ -2691,10 +2643,6 @@ class XVideosIE(InfoExtractor):
     _VALID_URL = r'^(?:https?://)?(?:www\.)?xvideos\.com/video([0-9]+)(?:.*)'
     IE_NAME = u'xvideos'
 
-    def report_webpage(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
-
     def report_extraction(self, video_id):
         """Report information extraction."""
         self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
@@ -2706,15 +2654,7 @@ class XVideosIE(InfoExtractor):
             return
         video_id = mobj.group(1)
 
-        self.report_webpage(video_id)
-
-        request = compat_urllib_request.Request(r'http://www.xvideos.com/video' + video_id)
-        try:
-            webpage_bytes = compat_urllib_request.urlopen(request).read()
-            webpage = webpage_bytes.decode('utf-8', 'replace')
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err))
-            return
+        webpage = self._download_webpage(url, video_id)
 
         self.report_extraction(video_id)
 
@@ -2813,7 +2753,7 @@ class SoundcloudIE(InfoExtractor):
             stream_json_bytes = compat_urllib_request.urlopen(request).read()
             stream_json = stream_json_bytes.decode('utf-8')
         except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err))
+            self._downloader.trouble(u'ERROR: unable to download stream definitions: %s' % compat_str(err))
             return
 
         streams = json.loads(stream_json)
@@ -2832,13 +2772,7 @@ class SoundcloudIE(InfoExtractor):
 
 class InfoQIE(InfoExtractor):
     """Information extractor for infoq.com"""
-
     _VALID_URL = r'^(?:https?://)?(?:www\.)?infoq\.com/[^/]+/[^/]+$'
-    IE_NAME = u'infoq'
-
-    def report_webpage(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
 
     def report_extraction(self, video_id):
         """Report information extraction."""
@@ -2850,38 +2784,29 @@ class InfoQIE(InfoExtractor):
             self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
             return
 
-        self.report_webpage(url)
-
-        request = compat_urllib_request.Request(url)
-        try:
-            webpage = compat_urllib_request.urlopen(request).read()
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err))
-            return
-
+        webpage = self._download_webpage(url, video_id=url)
         self.report_extraction(url)
 
-
         # Extract video URL
         mobj = re.search(r"jsclassref='([^']*)'", webpage)
         if mobj is None:
             self._downloader.trouble(u'ERROR: unable to extract video url')
             return
-        video_url = 'rtmpe://video.infoq.com/cfx/st/' + compat_urllib_parse.unquote(mobj.group(1).decode('base64'))
-
+        real_id = compat_urllib_parse.unquote(base64.b64decode(mobj.group(1).encode('ascii')).decode('utf-8'))
+        video_url = 'rtmpe://video.infoq.com/cfx/st/' + real_id
 
         # Extract title
         mobj = re.search(r'contentTitle = "(.*?)";', webpage)
         if mobj is None:
             self._downloader.trouble(u'ERROR: unable to extract video title')
             return
-        video_title = mobj.group(1).decode('utf-8')
+        video_title = mobj.group(1)
 
         # Extract description
         video_description = u'No description available.'
         mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', webpage)
         if mobj is not None:
-            video_description = mobj.group(1).decode('utf-8')
+            video_description = mobj.group(1)
 
         video_filename = video_url.split('/')[-1]
         video_id, extension = video_filename.split('.')
@@ -3031,8 +2956,7 @@ class StanfordOpenClassroomIE(InfoExtractor):
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         if mobj is None:
-            self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
-            return
+            raise ExtractorError(u'Invalid URL: %s' % url)
 
         if mobj.group('course') and mobj.group('video'): # A specific video
             course = mobj.group('course')
@@ -3069,12 +2993,9 @@ class StanfordOpenClassroomIE(InfoExtractor):
                 'upload_date': None,
             }
 
-            self.report_download_webpage(info['id'])
-            try:
-                coursepage = compat_urllib_request.urlopen(url).read()
-            except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-                self._downloader.trouble(u'ERROR: unable to download course info page: ' + compat_str(err))
-                return
+            coursepage = self._download_webpage(url, info['id'],
+                                        note='Downloading course info page',
+                                        errnote='Unable to download course info page')
 
             m = re.search('<h1>([^<]+)</h1>', coursepage)
             if m:
@@ -3098,7 +3019,6 @@ class StanfordOpenClassroomIE(InfoExtractor):
                 assert entry['type'] == 'reference'
                 results += self.extract(entry['url'])
             return results
-
         else: # Root page
             info = {
                 'id': 'Stanford OpenClassroom',
@@ -3137,10 +3057,6 @@ class MTVIE(InfoExtractor):
     _VALID_URL = r'^(?P<proto>https?://)?(?:www\.)?mtv\.com/videos/[^/]+/(?P<videoid>[0-9]+)/[^/]+$'
     IE_NAME = u'mtv'
 
-    def report_webpage(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
-
     def report_extraction(self, video_id):
         """Report information extraction."""
         self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
@@ -3153,14 +3069,8 @@ class MTVIE(InfoExtractor):
         if not mobj.group('proto'):
             url = 'http://' + url
         video_id = mobj.group('videoid')
-        self.report_webpage(video_id)
 
-        request = compat_urllib_request.Request(url)
-        try:
-            webpage = compat_urllib_request.urlopen(request).read()
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err))
-            return
+        webpage = self._download_webpage(url, video_id)
 
         mobj = re.search(r'<meta name="mtv_vt" content="([^"]+)"/>', webpage)
         if mobj is None:
@@ -3223,20 +3133,15 @@ class MTVIE(InfoExtractor):
 
 
 class YoukuIE(InfoExtractor):
-
     _VALID_URL =  r'(?:http://)?v\.youku\.com/v_show/id_(?P<ID>[A-Za-z0-9]+)\.html'
-    IE_NAME = u'Youku'
-
-    def __init__(self, downloader=None):
-        InfoExtractor.__init__(self, downloader)
 
     def report_download_webpage(self, file_id):
         """Report webpage download."""
-        self._downloader.to_screen(u'[Youku] %s: Downloading webpage' % file_id)
+        self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, file_id))
 
     def report_extraction(self, file_id):
         """Report information extraction."""
-        self._downloader.to_screen(u'[Youku] %s: Extracting information' % file_id)
+        self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, file_id))
 
     def _gen_sid(self):
         nowTime = int(time.time() * 1000)
@@ -3341,7 +3246,7 @@ class YoukuIE(InfoExtractor):
 class XNXXIE(InfoExtractor):
     """Information extractor for xnxx.com"""
 
-    _VALID_URL = r'^http://video\.xnxx\.com/video([0-9]+)/(.*)'
+    _VALID_URL = r'^(?:https?://)?video\.xnxx\.com/video([0-9]+)/(.*)'
     IE_NAME = u'xnxx'
     VIDEO_URL_RE = r'flv_url=(.*?)&amp;'
     VIDEO_TITLE_RE = r'<title>(.*?)\s+-\s+XNXX.COM'
@@ -3530,9 +3435,6 @@ class NBAIE(InfoExtractor):
     _VALID_URL = r'^(?:https?://)?(?:watch\.|www\.)?nba\.com/(?:nba/)?video(/[^?]*)(\?.*)?$'
     IE_NAME = u'nba'
 
-    def report_extraction(self, video_id):
-        self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
-
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         if mobj is None:
@@ -3543,14 +3445,7 @@ class NBAIE(InfoExtractor):
         if video_id.endswith('/index.html'):
             video_id = video_id[:-len('/index.html')]
 
-        self.report_extraction(video_id)
-        try:
-            urlh = compat_urllib_request.urlopen(url)
-            webpage_bytes = urlh.read()
-            webpage = webpage_bytes.decode('utf-8', 'ignore')
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to download video info XML: %s' % compat_str(err))
-            return
+        webpage = self._download_webpage(url, video_id)
 
         video_url = u'http://ht-mobile.cdn.turner.com/nba/big' + video_id + '_nba_1280x720.mp4'
         def _findProp(rexp, default=None):
@@ -3603,17 +3498,25 @@ class JustinTVIE(InfoExtractor):
             return
 
         response = json.loads(webpage)
+        if type(response) != list:
+            error_text = response.get('error', 'unknown error')
+            self._downloader.trouble(u'ERROR: Justin.tv API: %s' % error_text)
+            return
         info = []
         for clip in response:
             video_url = clip['video_file_url']
             if video_url:
                 video_extension = os.path.splitext(video_url)[1][1:]
-                video_date = re.sub('-', '', clip['created_on'][:10])
+                video_date = re.sub('-', '', clip['start_time'][:10])
+                video_uploader_id = clip.get('user_id', clip.get('channel_id'))
+                video_id = clip['id']
+                video_title = clip.get('title', video_id)
                 info.append({
-                    'id': clip['id'],
+                    'id': video_id,
                     'url': video_url,
-                    'title': clip['title'],
-                    'uploader': clip.get('user_id', clip.get('channel_id')),
+                    'title': video_title,
+                    'uploader': clip.get('channel_name', video_uploader_id),
+                    'uploader_id': video_uploader_id,
                     'upload_date': video_date,
                     'ext': video_extension,
                 })
@@ -3632,7 +3535,7 @@ class JustinTVIE(InfoExtractor):
             paged = True
             api += '/channel/archives/%s.json'
         else:
-            api += '/clip/show/%s.json'
+            api += '/broadcast/by_archive/%s.json'
         api = api % (video_id,)
 
         self.report_extraction(video_id)
@@ -3653,10 +3556,6 @@ class JustinTVIE(InfoExtractor):
 
 class FunnyOrDieIE(InfoExtractor):
     _VALID_URL = r'^(?:https?://)?(?:www\.)?funnyordie\.com/videos/(?P<id>[0-9a-f]+)/.*$'
-    IE_NAME = u'FunnyOrDie'
-
-    def report_extraction(self, video_id):
-        self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
@@ -3665,14 +3564,7 @@ class FunnyOrDieIE(InfoExtractor):
             return
 
         video_id = mobj.group('id')
-        self.report_extraction(video_id)
-        try:
-            urlh = compat_urllib_request.urlopen(url)
-            webpage_bytes = urlh.read()
-            webpage = webpage_bytes.decode('utf-8', 'ignore')
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to download webpage: %s' % compat_str(err))
-            return
+        webpage = self._download_webpage(url, video_id)
 
         m = re.search(r'<video[^>]*>\s*<source[^>]*>\s*<source src="(?P<url>[^"]+)"', webpage, re.DOTALL)
         if not m:
@@ -3699,11 +3591,178 @@ class FunnyOrDieIE(InfoExtractor):
         }
         return [info]
 
-class TweetReelIE(InfoExtractor):
-    _VALID_URL = r'^(?:https?://)?(?:www\.)?tweetreel\.com/[?](?P<id>[0-9a-z]+)$'
+class SteamIE(InfoExtractor):
+    _VALID_URL = r"""http://store.steampowered.com/
+                (?P<urltype>video|app)/ #If the page is only for videos or for a game
+                (?P<gameID>\d+)/?
+                (?P<videoID>\d*)(?P<extra>\??) #For urltype == video we sometimes get the videoID
+                """
 
-    def report_extraction(self, video_id):
-        self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
+    @classmethod
+    def suitable(cls, url):
+        """Receives a URL and returns True if suitable for this IE."""
+        return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
+
+    def _real_extract(self, url):
+        m = re.match(self._VALID_URL, url, re.VERBOSE)
+        urlRE = r"'movie_(?P<videoID>\d+)': \{\s*FILENAME: \"(?P<videoURL>[\w:/\.\?=]+)\"(,\s*MOVIE_NAME: \"(?P<videoName>[\w:/\.\?=\+-]+)\")?\s*\},"
+        gameID = m.group('gameID')
+        videourl = 'http://store.steampowered.com/video/%s/' % gameID
+        webpage = self._download_webpage(videourl, gameID)
+        mweb = re.finditer(urlRE, webpage)
+        namesRE = r'<span class="title">(?P<videoName>.+?)</span>'
+        titles = re.finditer(namesRE, webpage)
+        thumbsRE = r'<img class="movie_thumb" src="(?P<thumbnail>.+?)">'
+        thumbs = re.finditer(thumbsRE, webpage)
+        videos = []
+        for vid,vtitle,thumb in zip(mweb,titles,thumbs):
+            video_id = vid.group('videoID')
+            title = vtitle.group('videoName')
+            video_url = vid.group('videoURL')
+            video_thumb = thumb.group('thumbnail')
+            if not video_url:
+                self._downloader.trouble(u'ERROR: Cannot find video url for %s' % video_id)
+            info = {
+                'id':video_id,
+                'url':video_url,
+                'ext': 'flv',
+                'title': unescapeHTML(title),
+                'thumbnail': video_thumb
+                  }
+            videos.append(info)
+        return videos
+
+class UstreamIE(InfoExtractor):
+    _VALID_URL = r'https?://www\.ustream\.tv/recorded/(?P<videoID>\d+)'
+    IE_NAME = u'ustream'
+
+    def _real_extract(self, url):
+        m = re.match(self._VALID_URL, url)
+        video_id = m.group('videoID')
+        video_url = u'http://tcdn.ustream.tv/video/%s' % video_id
+        webpage = self._download_webpage(url, video_id)
+        m = re.search(r'data-title="(?P<title>.+)"',webpage)
+        title = m.group('title')
+        m = re.search(r'<a class="state" data-content-type="channel" data-content-id="(?P<uploader>\d+)"',webpage)
+        uploader = m.group('uploader')
+        info = {
+                'id':video_id,
+                'url':video_url,
+                'ext': 'flv',
+                'title': title,
+                'uploader': uploader
+                  }
+        return [info]
+
+class WorldStarHipHopIE(InfoExtractor):
+    _VALID_URL = r'http://(?:www|m)\.worldstar(?:candy|hiphop)\.com/videos/video\.php\?v=(?P<id>.*)'
+    IE_NAME = u'WorldStarHipHop'
+
+    def _real_extract(self, url):
+        _src_url = r"""(http://hw-videos.*(?:mp4|flv))"""
+
+        webpage_src = compat_urllib_request.urlopen(str(url)).read()
+        webpage_src = webpage_src.decode('utf-8')
+
+        mobj = re.search(_src_url, webpage_src)
+
+        if mobj is not None:
+            video_url = mobj.group()
+            if 'mp4' in video_url:
+                ext = 'mp4'
+            else:
+                ext = 'flv'
+        else:
+            video_url = None
+            ext = None
+
+        _title = r"""<title>(.*)</title>"""
+
+        mobj = re.search(_title, webpage_src)
+        
+        if mobj is not None:
+            title = mobj.group(1)
+        else:
+            title = 'World Start Hip Hop - %s' % time.ctime()
+
+        _thumbnail = r"""rel="image_src" href="(.*)" />"""
+        mobj = re.search(_thumbnail, webpage_src)
+
+        # Getting thumbnail and if not thumbnail sets correct title for WSHH candy video.
+        if mobj is not None:
+            thumbnail = mobj.group(1)
+        else:
+            _title = r"""candytitles.*>(.*)</span>"""
+            mobj = re.search(_title, webpage_src)
+            if mobj is not None:
+                title = mobj.group(1)
+            thumbnail = None
+
+        m = re.match(self._VALID_URL, url)
+        video_id = m.group('id')
+        
+        results = [{
+                    'id': video_id,
+                    'url' : video_url,
+                    'title' : title,
+                    'thumbnail' : thumbnail,
+                    'ext' : ext,
+                    }]
+        return results
+
+class RBMARadioIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?rbmaradio\.com/shows/(?P<videoID>[^/]+)$'
+
+    def _real_extract(self, url):
+        m = re.match(self._VALID_URL, url)
+        video_id = m.group('videoID')
+
+        webpage = self._download_webpage(url, video_id)
+        m = re.search(r'<script>window.gon = {.*?};gon\.show=(.+?);</script>', webpage)
+        if not m:
+            raise ExtractorError(u'Cannot find metadata')
+        json_data = m.group(1)
+
+        try:
+            data = json.loads(json_data)
+        except ValueError as e:
+            raise ExtractorError(u'Invalid JSON: ' + str(e))
+
+        video_url = data['akamai_url'] + '&cbr=256'
+        url_parts = compat_urllib_parse_urlparse(video_url)
+        video_ext = url_parts.path.rpartition('.')[2]
+        info = {
+                'id': video_id,
+                'url': video_url,
+                'ext': video_ext,
+                'title': data['title'],
+                'description': data.get('teaser_text'),
+                'location': data.get('country_of_origin'),
+                'uploader': data.get('host', {}).get('name'),
+                'uploader_id': data.get('host', {}).get('slug'),
+                'thumbnail': data.get('image', {}).get('large_url_2x'),
+                'duration': data.get('duration'),
+        }
+        return [info]
+
+
+class YouPornIE(InfoExtractor):
+    """Information extractor for youporn.com."""
+    _VALID_URL = r'^(?:https?://)?(?:\w+\.)?youporn\.com/watch/(?P<videoid>[0-9]+)/(?P<title>[^/]+)'
+
+    def _print_formats(self, formats):
+        """Print all available formats"""
+        print(u'Available formats:')
+        print(u'ext\t\tformat')
+        print(u'---------------------------------')
+        for format in formats:
+            print(u'%s\t\t%s'  % (format['ext'], format['format']))
+
+    def _specific(self, req_format, formats):
+        for x in formats:
+            if(x["format"]==req_format):
+                return x
+        return None
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
@@ -3711,49 +3770,436 @@ class TweetReelIE(InfoExtractor):
             self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
             return
 
-        video_id = mobj.group('id')
-        self.report_extraction(video_id)
-        try:
-            urlh = compat_urllib_request.urlopen(url)
-            webpage_bytes = urlh.read()
-            webpage = webpage_bytes.decode('utf-8', 'ignore')
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.trouble(u'ERROR: unable to download webpage: %s' % compat_str(err))
+        video_id = mobj.group('videoid')
+
+        req = compat_urllib_request.Request(url)
+        req.add_header('Cookie', 'age_verified=1')
+        webpage = self._download_webpage(req, video_id)
+
+        # Get the video title
+        result = re.search(r'<h1.*?>(?P<title>.*)</h1>', webpage)
+        if result is None:
+            raise ExtractorError(u'Unable to extract video title')
+        video_title = result.group('title').strip()
+
+        # Get the video date
+        result = re.search(r'Date:</label>(?P<date>.*) </li>', webpage)
+        if result is None:
+            self._downloader.report_warning(u'unable to extract video date')
+            upload_date = None
+        else:
+            upload_date = result.group('date').strip()
+
+        # Get the video uploader
+        result = re.search(r'Submitted:</label>(?P<uploader>.*)</li>', webpage)
+        if result is None:
+            self._downloader.report_warning(u'unable to extract uploader')
+            video_uploader = None
+        else:
+            video_uploader = result.group('uploader').strip()
+            video_uploader = clean_html( video_uploader )
+
+        # Get all of the formats available
+        DOWNLOAD_LIST_RE = r'(?s)<ul class="downloadList">(?P<download_list>.*?)</ul>'
+        result = re.search(DOWNLOAD_LIST_RE, webpage)
+        if result is None:
+            raise ExtractorError(u'Unable to extract download list')
+        download_list_html = result.group('download_list').strip()
+
+        # Get all of the links from the page
+        LINK_RE = r'(?s)<a href="(?P<url>[^"]+)">'
+        links = re.findall(LINK_RE, download_list_html)
+        if(len(links) == 0):
+            raise ExtractorError(u'ERROR: no known formats available for video')
+
+        self._downloader.to_screen(u'[youporn] Links found: %d' % len(links))
+
+        formats = []
+        for link in links:
+
+            # A link looks like this:
+            # http://cdn1.download.youporn.phncdn.com/201210/31/8004515/480p_370k_8004515/YouPorn%20-%20Nubile%20Films%20The%20Pillow%20Fight.mp4?nvb=20121113051249&nva=20121114051249&ir=1200&sr=1200&hash=014b882080310e95fb6a0
+            # A path looks like this:
+            # /201210/31/8004515/480p_370k_8004515/YouPorn%20-%20Nubile%20Films%20The%20Pillow%20Fight.mp4
+            video_url = unescapeHTML( link )
+            path = compat_urllib_parse_urlparse( video_url ).path
+            extension = os.path.splitext( path )[1][1:]
+            format = path.split('/')[4].split('_')[:2]
+            size = format[0]
+            bitrate = format[1]
+            format = "-".join( format )
+            title = u'%s-%s-%s' % (video_title, size, bitrate)
+
+            formats.append({
+                'id': video_id,
+                'url': video_url,
+                'uploader': video_uploader,
+                'upload_date': upload_date,
+                'title': title,
+                'ext': extension,
+                'format': format,
+                'thumbnail': None,
+                'description': None,
+                'player_url': None
+            })
+
+        if self._downloader.params.get('listformats', None):
+            self._print_formats(formats)
             return
 
-        m = re.search(r'<div id="left" status_id="([0-9]+)">', webpage)
-        if not m:
-            self._downloader.trouble(u'ERROR: Cannot find status ID')
-        status_id = m.group(1)
+        req_format = self._downloader.params.get('format', None)
+        self._downloader.to_screen(u'[youporn] Format: %s' % req_format)
 
-        m = re.search(r'<div class="tweet_text">(.*?)</div>', webpage, flags=re.DOTALL)
-        if not m:
-            self._downloader.trouble(u'WARNING: Cannot find description')
-        desc = unescapeHTML(re.sub('<a.*?</a>', '', m.group(1))).strip()
+        if req_format is None or req_format == 'best':
+            return [formats[0]]
+        elif req_format == 'worst':
+            return [formats[-1]]
+        elif req_format in ('-1', 'all'):
+            return formats
+        else:
+            format = self._specific( req_format, formats )
+            if result is None:
+                self._downloader.trouble(u'ERROR: requested format not available')
+                return
+            return [format]
+
+
+
+class PornotubeIE(InfoExtractor):
+    """Information extractor for pornotube.com."""
+    _VALID_URL = r'^(?:https?://)?(?:\w+\.)?pornotube\.com(/c/(?P<channel>[0-9]+))?(/m/(?P<videoid>[0-9]+))(/(?P<title>.+))$'
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        if mobj is None:
+            self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+            return
+
+        video_id = mobj.group('videoid')
+        video_title = mobj.group('title')
+
+        # Get webpage content
+        webpage = self._download_webpage(url, video_id)
+
+        # Get the video URL
+        VIDEO_URL_RE = r'url: "(?P<url>http://video[0-9].pornotube.com/.+\.flv)",'
+        result = re.search(VIDEO_URL_RE, webpage)
+        if result is None:
+            self._downloader.trouble(u'ERROR: unable to extract video url')
+            return
+        video_url = compat_urllib_parse.unquote(result.group('url'))
+
+        #Get the uploaded date
+        VIDEO_UPLOADED_RE = r'<div class="video_added_by">Added (?P<date>[0-9\/]+) by'
+        result = re.search(VIDEO_UPLOADED_RE, webpage)
+        if result is None:
+            self._downloader.trouble(u'ERROR: unable to extract video title')
+            return
+        upload_date = result.group('date')
+
+        info = {'id': video_id,
+                'url': video_url,
+                'uploader': None,
+                'upload_date': upload_date,
+                'title': video_title,
+                'ext': 'flv',
+                'format': 'flv'}
+
+        return [info]
+
+class YouJizzIE(InfoExtractor):
+    """Information extractor for youjizz.com."""
+    _VALID_URL = r'^(?:https?://)?(?:\w+\.)?youjizz\.com/videos/(?P<videoid>[^.]+).html$'
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        if mobj is None:
+            self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+            return
+
+        video_id = mobj.group('videoid')
+
+        # Get webpage content
+        webpage = self._download_webpage(url, video_id)
+
+        # Get the video title
+        result = re.search(r'<title>(?P<title>.*)</title>', webpage)
+        if result is None:
+            raise ExtractorError(u'ERROR: unable to extract video title')
+        video_title = result.group('title').strip()
+
+        # Get the embed page
+        result = re.search(r'https?://www.youjizz.com/videos/embed/(?P<videoid>[0-9]+)', webpage)
+        if result is None:
+            raise ExtractorError(u'ERROR: unable to extract embed page')
+
+        embed_page_url = result.group(0).strip()
+        video_id = result.group('videoid')
+
+        webpage = self._download_webpage(embed_page_url, video_id)
+
+        # Get the video URL
+        result = re.search(r'so.addVariable\("file",encodeURIComponent\("(?P<source>[^"]+)"\)\);', webpage)
+        if result is None:
+            raise ExtractorError(u'ERROR: unable to extract video url')
+        video_url = result.group('source')
 
-        m = re.search(r'<div class="tweet_info">.*?from <a target="_blank" href="https?://twitter.com/(?P<uploader_id>.+?)">(?P<uploader>.+?)</a>', webpage, flags=re.DOTALL)
+        info = {'id': video_id,
+                'url': video_url,
+                'title': video_title,
+                'ext': 'flv',
+                'format': 'flv',
+                'player_url': embed_page_url}
+
+        return [info]
+
+class EightTracksIE(InfoExtractor):
+    IE_NAME = '8tracks'
+    _VALID_URL = r'https?://8tracks.com/(?P<user>[^/]+)/(?P<id>[^/#]+)(?:#.*)?$'
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        if mobj is None:
+            raise ExtractorError(u'Invalid URL: %s' % url)
+        playlist_id = mobj.group('id')
+
+        webpage = self._download_webpage(url, playlist_id)
+
+        m = re.search(r"PAGE.mix = (.*?);\n", webpage, flags=re.DOTALL)
         if not m:
-            self._downloader.trouble(u'ERROR: Cannot find uploader')
+            raise ExtractorError(u'Cannot find trax information')
+        json_like = m.group(1)
+        data = json.loads(json_like)
+
+        session = str(random.randint(0, 1000000000))
+        mix_id = data['id']
+        track_count = data['tracks_count']
+        first_url = 'http://8tracks.com/sets/%s/play?player=sm&mix_id=%s&format=jsonh' % (session, mix_id)
+        next_url = first_url
+        res = []
+        for i in itertools.count():
+            api_json = self._download_webpage(next_url, playlist_id,
+                note=u'Downloading song information %s/%s' % (str(i+1), track_count),
+                errnote=u'Failed to download song information')
+            api_data = json.loads(api_json)
+            track_data = api_data[u'set']['track']
+            info = {
+                'id': track_data['id'],
+                'url': track_data['track_file_stream_url'],
+                'title': track_data['performer'] + u' - ' + track_data['name'],
+                'raw_title': track_data['name'],
+                'uploader_id': data['user']['login'],
+                'ext': 'm4a',
+            }
+            res.append(info)
+            if api_data['set']['at_last_track']:
+                break
+            next_url = 'http://8tracks.com/sets/%s/next?player=sm&mix_id=%s&format=jsonh&track_id=%s' % (session, mix_id, track_data['id'])
+        return res
+
+class KeekIE(InfoExtractor):
+    _VALID_URL = r'http://(?:www\.)?keek\.com/(?:!|\w+/keeks/)(?P<videoID>\w+)'
+    IE_NAME = u'keek'
+
+    def _real_extract(self, url):
+        m = re.match(self._VALID_URL, url)
+        video_id = m.group('videoID')
+        video_url = u'http://cdn.keek.com/keek/video/%s' % video_id
+        thumbnail = u'http://cdn.keek.com/keek/thumbnail/%s/w100/h75' % video_id
+        webpage = self._download_webpage(url, video_id)
+        m = re.search(r'<meta property="og:title" content="(?P<title>.+)"', webpage)
+        title = unescapeHTML(m.group('title'))
+        m = re.search(r'<div class="bio-names-and-report">[\s\n]+<h4>(?P<uploader>\w+)</h4>', webpage)
         uploader = unescapeHTML(m.group('uploader'))
-        uploader_id = unescapeHTML(m.group('uploader_id'))
+        info = {
+                'id':video_id,
+                'url':video_url,
+                'ext': 'mp4',
+                'title': title,
+                'thumbnail': thumbnail,
+                'uploader': uploader
+        }
+        return [info]
 
-        m = re.search(r'<span unixtime="([0-9]+)"', webpage)
-        if not m:
-            self._downloader.trouble(u'ERROR: Cannot find upload date')
-        upload_date = datetime.datetime.fromtimestamp(int(m.group(1))).strftime('%Y%m%d')
+class TEDIE(InfoExtractor):
+    _VALID_URL=r'''http://www.ted.com/
+                   (
+                        ((?P<type_playlist>playlists)/(?P<playlist_id>\d+)) # We have a playlist
+                        |
+                        ((?P<type_talk>talks)) # We have a simple talk
+                   )
+                   /(?P<name>\w+) # Here goes the name and then ".html"
+                   '''
+
+    @classmethod
+    def suitable(cls, url):
+        """Receives a URL and returns True if suitable for this IE."""
+        return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
+
+    def _real_extract(self, url):
+        m=re.match(self._VALID_URL, url, re.VERBOSE)
+        if m.group('type_talk'):
+            return [self._talk_info(url)]
+        else :
+            playlist_id=m.group('playlist_id')
+            name=m.group('name')
+            self._downloader.to_screen(u'[%s] Getting info of playlist %s: "%s"' % (self.IE_NAME,playlist_id,name))
+            return self._playlist_videos_info(url,name,playlist_id)
+
+    def _talk_video_link(self,mediaSlug):
+        '''Returns the video link for that mediaSlug'''
+        return 'http://download.ted.com/talks/%s.mp4' % mediaSlug
+
+    def _playlist_videos_info(self,url,name,playlist_id=0):
+        '''Returns the videos of the playlist'''
+        video_RE=r'''
+                     <li\ id="talk_(\d+)"([.\s]*?)data-id="(?P<video_id>\d+)"
+                     ([.\s]*?)data-playlist_item_id="(\d+)"
+                     ([.\s]*?)data-mediaslug="(?P<mediaSlug>.+?)"
+                     '''
+        video_name_RE=r'<p\ class="talk-title"><a href="(?P<talk_url>/talks/(.+).html)">(?P<fullname>.+?)</a></p>'
+        webpage=self._download_webpage(url, playlist_id, 'Downloading playlist webpage')
+        m_videos=re.finditer(video_RE,webpage,re.VERBOSE)
+        m_names=re.finditer(video_name_RE,webpage)
+        info=[]
+        for m_video, m_name in zip(m_videos,m_names):
+            video_id=m_video.group('video_id')
+            talk_url='http://www.ted.com%s' % m_name.group('talk_url')
+            info.append(self._talk_info(talk_url,video_id))
+        return info
+
+    def _talk_info(self, url, video_id=0):
+        """Return the video for the talk in the url"""
+        m=re.match(self._VALID_URL, url,re.VERBOSE)
+        videoName=m.group('name')
+        webpage=self._download_webpage(url, video_id, 'Downloading \"%s\" page' % videoName)
+        # If the url includes the language we get the title translated
+        title_RE=r'<h1><span id="altHeadline" >(?P<title>.*)</span></h1>'
+        title=re.search(title_RE, webpage).group('title')
+        info_RE=r'''<script\ type="text/javascript">var\ talkDetails\ =(.*?)
+                        "id":(?P<videoID>[\d]+).*?
+                        "mediaSlug":"(?P<mediaSlug>[\w\d]+?)"'''
+        thumb_RE=r'</span>[\s.]*</div>[\s.]*<img src="(?P<thumbnail>.*?)"'
+        thumb_match=re.search(thumb_RE,webpage)
+        info_match=re.search(info_RE,webpage,re.VERBOSE)
+        video_id=info_match.group('videoID')
+        mediaSlug=info_match.group('mediaSlug')
+        video_url=self._talk_video_link(mediaSlug)
+        info = {
+                'id': video_id,
+                'url': video_url,
+                'ext': 'mp4',
+                'title': title,
+                'thumbnail': thumb_match.group('thumbnail')
+                }
+        return info
 
-        title = desc
-        video_url = 'http://files.tweetreel.com/video/' + status_id + '.mov'
+class MySpassIE(InfoExtractor):
+    _VALID_URL = r'http://www.myspass.de/.*'
 
+    def _real_extract(self, url):
+        META_DATA_URL_TEMPLATE = 'http://www.myspass.de/myspass/includes/apps/video/getvideometadataxml.php?id=%s'
+
+        # video id is the last path element of the URL
+        # usually there is a trailing slash, so also try the second but last
+        url_path = compat_urllib_parse_urlparse(url).path
+        url_parent_path, video_id = os.path.split(url_path)
+        if not video_id:
+            _, video_id = os.path.split(url_parent_path)
+
+        # get metadata
+        metadata_url = META_DATA_URL_TEMPLATE % video_id
+        metadata_text = self._download_webpage(metadata_url, video_id)
+        metadata = xml.etree.ElementTree.fromstring(metadata_text.encode('utf-8'))
+
+        # extract values from metadata
+        url_flv_el = metadata.find('url_flv')
+        if url_flv_el is None:
+            self._downloader.trouble(u'ERROR: unable to extract download url')
+            return
+        video_url = url_flv_el.text
+        extension = os.path.splitext(video_url)[1][1:]
+        title_el = metadata.find('title')
+        if title_el is None:
+            self._downloader.trouble(u'ERROR: unable to extract title')
+            return
+        title = title_el.text
+        format_id_el = metadata.find('format_id')
+        if format_id_el is None:
+            format = ext
+        else:
+            format = format_id_el.text
+        description_el = metadata.find('description')
+        if description_el is not None:
+            description = description_el.text
+        else:
+            description = None
+        imagePreview_el = metadata.find('imagePreview')
+        if imagePreview_el is not None:
+            thumbnail = imagePreview_el.text
+        else:
+            thumbnail = None
         info = {
             'id': video_id,
             'url': video_url,
-            'ext': 'mov',
             'title': title,
-            'description': desc,
-            'uploader': uploader,
-            'uploader_id': uploader_id,
-            'internal_id': status_id,
-            'upload_date': upload_date
+            'ext': extension,
+            'format': format,
+            'thumbnail': thumbnail,
+            'description': description
         }
         return [info]
+
+def gen_extractors():
+    """ Return a list of an instance of every supported extractor.
+    The order does matter; the first extractor matched is the one handling the URL.
+    """
+    return [
+        YoutubePlaylistIE(),
+        YoutubeChannelIE(),
+        YoutubeUserIE(),
+        YoutubeSearchIE(),
+        YoutubeIE(),
+        MetacafeIE(),
+        DailymotionIE(),
+        GoogleSearchIE(),
+        PhotobucketIE(),
+        YahooIE(),
+        YahooSearchIE(),
+        DepositFilesIE(),
+        FacebookIE(),
+        BlipTVUserIE(),
+        BlipTVIE(),
+        VimeoIE(),
+        MyVideoIE(),
+        ComedyCentralIE(),
+        EscapistIE(),
+        CollegeHumorIE(),
+        XVideosIE(),
+        SoundcloudIE(),
+        InfoQIE(),
+        MixcloudIE(),
+        StanfordOpenClassroomIE(),
+        MTVIE(),
+        YoukuIE(),
+        XNXXIE(),
+        YouJizzIE(),
+        PornotubeIE(),
+        YouPornIE(),
+        GooglePlusIE(),
+        ArteTvIE(),
+        NBAIE(),
+        WorldStarHipHopIE(),
+        JustinTVIE(),
+        FunnyOrDieIE(),
+        SteamIE(),
+        UstreamIE(),
+        RBMARadioIE(),
+        EightTracksIE(),
+        KeekIE(),
+        TEDIE(),
+        MySpassIE(),
+        GenericIE()
+    ]
+
+