TumblrIE
[youtube-dl] / youtube_dl / InfoExtractors.py
index 83bf5b8f652698644e5a2e82f5cd116eb497bb09..6a6545c9b578fba948962542d602bc5352b86840 100755 (executable)
@@ -48,7 +48,7 @@ class InfoExtractor(object):
     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.
+    subtitles:      The subtitle file contents.
     urlhandle:      [internal] The urlHandle to be used to download the file,
                     like returned by urllib.request.urlopen
 
@@ -115,7 +115,8 @@ class InfoExtractor(object):
         """ 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))
+        if note is not False:
+            self.to_screen(u'%s: %s' % (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:
@@ -126,8 +127,57 @@ class InfoExtractor(object):
     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)
+        content_type = urlh.headers.get('Content-Type', '')
+        m = re.match(r'[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+\s*;\s*charset=(.+)', content_type)
+        if m:
+            encoding = m.group(1)
+        else:
+            encoding = 'utf-8'
         webpage_bytes = urlh.read()
-        return webpage_bytes.decode('utf-8', 'replace')
+        if self._downloader.params.get('dump_intermediate_pages', False):
+            try:
+                url = url_or_request.get_full_url()
+            except AttributeError:
+                url = url_or_request
+            self.to_screen(u'Dumping request to ' + url)
+            dump = base64.b64encode(webpage_bytes).decode('ascii')
+            self._downloader.to_screen(dump)
+        return webpage_bytes.decode(encoding, 'replace')
+
+    def to_screen(self, msg):
+        """Print msg to screen, prefixing it with '[ie_name]'"""
+        self._downloader.to_screen(u'[%s] %s' % (self.IE_NAME, msg))
+
+    def report_extraction(self, id_or_name):
+        """Report information extraction."""
+        self.to_screen(u'%s: Extracting information' % id_or_name)
+
+    def report_age_confirmation(self):
+        """Report attempt to confirm age."""
+        self.to_screen(u'Confirming age')
+
+    #Methods for following #608
+    #They set the correct value of the '_type' key
+    def video_result(self, video_info):
+        """Returns a video"""
+        video_info['_type'] = 'video'
+        return video_info
+    def url_result(self, url, ie=None):
+        """Returns a url that points to a page that should be processed"""
+        #TODO: ie should be the class used for getting the info
+        video_info = {'_type': 'url',
+                      'url': url,
+                      'ie_key': ie}
+        return video_info
+    def playlist_result(self, entries, playlist_id=None, playlist_title=None):
+        """Returns a playlist"""
+        video_info = {'_type': 'playlist',
+                      'entries': entries}
+        if playlist_id:
+            video_info['id'] = playlist_id
+        if playlist_title:
+            video_info['title'] = playlist_title
+        return video_info
 
 
 class YoutubeIE(InfoExtractor):
@@ -198,89 +248,114 @@ class YoutubeIE(InfoExtractor):
 
     def report_lang(self):
         """Report attempt to set language."""
-        self._downloader.to_screen(u'[youtube] Setting language')
+        self.to_screen(u'Setting language')
 
     def report_login(self):
         """Report attempt to log in."""
-        self._downloader.to_screen(u'[youtube] Logging in')
-
-    def report_age_confirmation(self):
-        """Report attempt to confirm age."""
-        self._downloader.to_screen(u'[youtube] Confirming age')
+        self.to_screen(u'Logging in')
 
     def report_video_webpage_download(self, video_id):
         """Report attempt to download video webpage."""
-        self._downloader.to_screen(u'[youtube] %s: Downloading video webpage' % video_id)
+        self.to_screen(u'%s: Downloading video webpage' % video_id)
 
     def report_video_info_webpage_download(self, video_id):
         """Report attempt to download video info webpage."""
-        self._downloader.to_screen(u'[youtube] %s: Downloading video info webpage' % video_id)
+        self.to_screen(u'%s: Downloading video info webpage' % video_id)
 
     def report_video_subtitles_download(self, video_id):
         """Report attempt to download video info webpage."""
-        self._downloader.to_screen(u'[youtube] %s: Downloading video subtitles' % video_id)
+        self.to_screen(u'%s: Checking available subtitles' % video_id)
+
+    def report_video_subtitles_request(self, video_id, sub_lang, format):
+        """Report attempt to download video info webpage."""
+        self.to_screen(u'%s: Downloading video subtitles for %s.%s' % (video_id, sub_lang, format))
+
+    def report_video_subtitles_available(self, video_id, sub_lang_list):
+        """Report available subtitles."""
+        sub_lang = ",".join(list(sub_lang_list.keys()))
+        self.to_screen(u'%s: Available subtitles for video: %s' % (video_id, sub_lang))
 
     def report_information_extraction(self, video_id):
         """Report attempt to extract video information."""
-        self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id)
+        self.to_screen(u'%s: Extracting video information' % video_id)
 
     def report_unavailable_format(self, video_id, format):
         """Report extracted video URL."""
-        self._downloader.to_screen(u'[youtube] %s: Format %s not available' % (video_id, format))
+        self.to_screen(u'%s: Format %s not available' % (video_id, format))
 
     def report_rtmp_download(self):
         """Indicate the download will use the RTMP protocol."""
-        self._downloader.to_screen(u'[youtube] RTMP download detected')
-
-    def _closed_captions_xml_to_srt(self, xml_string):
-        srt = ''
-        texts = re.findall(r'<text start="([\d\.]+)"( dur="([\d\.]+)")?>([^<]+)</text>', xml_string, re.MULTILINE)
-        # TODO parse xml instead of regex
-        for n, (start, dur_tag, dur, caption) in enumerate(texts):
-            if not dur: dur = '4'
-            start = float(start)
-            end = start + float(dur)
-            start = "%02i:%02i:%02i,%03i" %(start/(60*60), start/60%60, start%60, start%1*1000)
-            end = "%02i:%02i:%02i,%03i" %(end/(60*60), end/60%60, end%60, end%1*1000)
-            caption = unescapeHTML(caption)
-            caption = unescapeHTML(caption) # double cycle, intentional
-            srt += str(n+1) + '\n'
-            srt += start + ' --> ' + end + '\n'
-            srt += caption + '\n\n'
-        return srt
-
-    def _extract_subtitles(self, video_id):
+        self.to_screen(u'RTMP download detected')
+
+    def _get_available_subtitles(self, video_id):
         self.report_video_subtitles_download(video_id)
         request = compat_urllib_request.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
         try:
-            srt_list = compat_urllib_request.urlopen(request).read().decode('utf-8')
+            sub_list = compat_urllib_request.urlopen(request).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)
-        srt_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', srt_list)
-        srt_lang_list = dict((l[1], l[0]) for l in srt_lang_list)
-        if not srt_lang_list:
-            return (u'WARNING: video has no closed captions', None)
-        if self._downloader.params.get('subtitleslang', False):
-            srt_lang = self._downloader.params.get('subtitleslang')
-        elif 'en' in srt_lang_list:
-            srt_lang = 'en'
-        else:
-            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)
+            return (u'unable to download video subtitles: %s' % compat_str(err), None)
+        sub_lang_list = re.findall(r'name="([^"]*)"[^>]+lang_code="([\w\-]+)"', sub_list)
+        sub_lang_list = dict((l[1], l[0]) for l in sub_lang_list)
+        if not sub_lang_list:
+            return (u'video doesn\'t have subtitles', None)
+        return sub_lang_list
+
+    def _list_available_subtitles(self, video_id):
+        sub_lang_list = self._get_available_subtitles(video_id)
+        self.report_video_subtitles_available(video_id, sub_lang_list)
+
+    def _request_subtitle(self, sub_lang, sub_name, video_id, format):
+        """
+        Return tuple:
+        (error_message, sub_lang, sub)
+        """
+        self.report_video_subtitles_request(video_id, sub_lang, format)
         params = compat_urllib_parse.urlencode({
-            'lang': srt_lang,
-            'name': srt_lang_list[srt_lang].encode('utf-8'),
+            'lang': sub_lang,
+            'name': sub_name,
             'v': video_id,
+            'fmt': format,
         })
         url = 'http://www.youtube.com/api/timedtext?' + params
         try:
-            srt_xml = compat_urllib_request.urlopen(url).read().decode('utf-8')
+            sub = 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: Did not fetch video subtitles', None)
-        return (None, self._closed_captions_xml_to_srt(srt_xml))
+            return (u'unable to download video subtitles: %s' % compat_str(err), None, None)
+        if not sub:
+            return (u'Did not fetch video subtitles', None, None)
+        return (None, sub_lang, sub)
+
+    def _extract_subtitle(self, video_id):
+        """
+        Return a list with a tuple:
+        [(error_message, sub_lang, sub)]
+        """
+        sub_lang_list = self._get_available_subtitles(video_id)
+        sub_format = self._downloader.params.get('subtitlesformat')
+        if  isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles
+            return [(sub_lang_list[0], None, None)]
+        if self._downloader.params.get('subtitleslang', False):
+            sub_lang = self._downloader.params.get('subtitleslang')
+        elif 'en' in sub_lang_list:
+            sub_lang = 'en'
+        else:
+            sub_lang = list(sub_lang_list.keys())[0]
+        if not sub_lang in sub_lang_list:
+            return [(u'no closed captions found in the specified language "%s"' % sub_lang, None, None)]
+
+        subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
+        return [subtitle]
+
+    def _extract_all_subtitles(self, video_id):
+        sub_lang_list = self._get_available_subtitles(video_id)
+        sub_format = self._downloader.params.get('subtitlesformat')
+        if  isinstance(sub_lang_list,tuple): #There was some error, it didn't get the available subtitles
+            return [(sub_lang_list[0], None, None)]
+        subtitles = []
+        for sub_lang in sub_lang_list:
+            subtitle = self._request_subtitle(sub_lang, sub_lang_list[sub_lang].encode('utf-8'), video_id, sub_format)
+            subtitles.append(subtitle)
+        return subtitles
 
     def _print_formats(self, formats):
         print('Available formats:')
@@ -428,18 +503,14 @@ class YoutubeIE(InfoExtractor):
         # Get video info
         self.report_video_info_webpage_download(video_id)
         for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
-            video_info_url = ('http://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
+            video_info_url = ('https://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
                     % (video_id, el_type))
-            request = compat_urllib_request.Request(video_info_url)
-            try:
-                video_info_webpage_bytes = compat_urllib_request.urlopen(request).read()
-                video_info_webpage = video_info_webpage_bytes.decode('utf-8', 'ignore')
-                video_info = compat_parse_qs(video_info_webpage)
-                if 'token' in video_info:
-                    break
-            except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-                self._downloader.report_error(u'unable to download video info webpage: %s' % compat_str(err))
-                return
+            video_info_webpage = self._download_webpage(video_info_url, video_id,
+                                    note=False,
+                                    errnote='unable to download video info webpage')
+            video_info = compat_parse_qs(video_info_webpage)
+            if 'token' in video_info:
+                break
         if 'token' not in video_info:
             if 'reason' in video_info:
                 self._downloader.report_error(u'YouTube said: %s' % video_info['reason'][0])
@@ -501,12 +572,26 @@ class YoutubeIE(InfoExtractor):
         else:
             video_description = ''
 
-        # closed captions
+        # subtitles
         video_subtitles = None
+
         if self._downloader.params.get('writesubtitles', False):
-            (srt_error, video_subtitles) = self._extract_subtitles(video_id)
-            if srt_error:
-                self._downloader.trouble(srt_error)
+            video_subtitles = self._extract_subtitle(video_id)
+            if video_subtitles:
+                (sub_error, sub_lang, sub) = video_subtitles[0]
+                if sub_error:
+                    self._downloader.report_error(sub_error)
+
+        if self._downloader.params.get('allsubtitles', False):
+            video_subtitles = self._extract_all_subtitles(video_id)
+            for video_subtitle in video_subtitles:
+                (sub_error, sub_lang, sub) = video_subtitle
+                if sub_error:
+                    self._downloader.report_error(sub_error)
+
+        if self._downloader.params.get('listsubtitles', False):
+            sub_lang_list = self._list_available_subtitles(video_id)
+            return
 
         if 'length_seconds' not in video_info:
             self._downloader.report_warning(u'unable to extract video duration')
@@ -537,8 +622,7 @@ class YoutubeIE(InfoExtractor):
                 format_list = available_formats
             existing_formats = [x for x in format_list if x in url_map]
             if len(existing_formats) == 0:
-                self._downloader.report_error(u'no known formats available for video')
-                return
+                raise ExtractorError(u'no known formats available for video')
             if self._downloader.params.get('listformats', None):
                 self._print_formats(existing_formats)
                 return
@@ -558,11 +642,9 @@ class YoutubeIE(InfoExtractor):
                         video_url_list = [(rf, url_map[rf])]
                         break
                 if video_url_list is None:
-                    self._downloader.report_error(u'requested format not available')
-                    return
+                    raise ExtractorError(u'requested format not available')
         else:
-            self._downloader.report_error(u'no conn or url_encoded_fmt_stream_map information found in video info')
-            return
+            raise ExtractorError(u'no conn or url_encoded_fmt_stream_map information found in video info')
 
         results = []
         for format_param, video_real_url in video_url_list:
@@ -603,19 +685,11 @@ class MetacafeIE(InfoExtractor):
 
     def report_disclaimer(self):
         """Report disclaimer retrieval."""
-        self._downloader.to_screen(u'[metacafe] Retrieving disclaimer')
-
-    def report_age_confirmation(self):
-        """Report attempt to confirm age."""
-        self._downloader.to_screen(u'[metacafe] Confirming age')
+        self.to_screen(u'Retrieving disclaimer')
 
     def report_download_webpage(self, video_id):
         """Report webpage download."""
-        self._downloader.to_screen(u'[metacafe] %s: Downloading webpage' % video_id)
-
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[metacafe] %s: Extracting information' % video_id)
+        self.to_screen(u'%s: Downloading webpage' % video_id)
 
     def _real_initialize(self):
         # Retrieve disclaimer
@@ -652,17 +726,10 @@ class MetacafeIE(InfoExtractor):
         # Check if video comes from YouTube
         mobj2 = re.match(r'^yt-(.*)$', video_id)
         if mobj2 is not None:
-            self._downloader.download(['http://www.youtube.com/watch?v=%s' % mobj2.group(1)])
-            return
+            return [self.url_result('http://www.youtube.com/watch?v=%s' % mobj2.group(1), 'Youtube')]
 
         # Retrieve video webpage to extract further information
-        request = compat_urllib_request.Request('http://www.metacafe.com/watch/%s/' % video_id)
-        try:
-            self.report_download_webpage(video_id)
-            webpage = compat_urllib_request.urlopen(request).read()
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.report_error(u'unable retrieve video webpage: %s' % compat_str(err))
-            return
+        webpage = self._download_webpage('http://www.metacafe.com/watch/%s/' % video_id, video_id)
 
         # Extract URL, uploader and title from webpage
         self.report_extraction(video_id)
@@ -687,13 +754,13 @@ class MetacafeIE(InfoExtractor):
             if 'mediaData' not in vardict:
                 self._downloader.report_error(u'unable to extract media URL')
                 return
-            mobj = re.search(r'"mediaURL":"(http.*?)","key":"(.*?)"', vardict['mediaData'][0])
+            mobj = re.search(r'"mediaURL":"(?P<mediaURL>http.*?)",(.*?)"key":"(?P<key>.*?)"', vardict['mediaData'][0])
             if mobj is None:
                 self._downloader.report_error(u'unable to extract media URL')
                 return
-            mediaURL = mobj.group(1).replace('\\/', '/')
+            mediaURL = mobj.group('mediaURL').replace('\\/', '/')
             video_extension = mediaURL[-3:]
-            video_url = '%s?__gda__=%s' % (mediaURL, mobj.group(2))
+            video_url = '%s?__gda__=%s' % (mediaURL, mobj.group('key'))
 
         mobj = re.search(r'(?im)<title>(.*) - Video</title>', webpage)
         if mobj is None:
@@ -727,10 +794,6 @@ class DailymotionIE(InfoExtractor):
     def __init__(self, downloader=None):
         InfoExtractor.__init__(self, downloader)
 
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[dailymotion] %s: Extracting information' % video_id)
-
     def _real_extract(self, url):
         # Extract id and simplified title from URL
         mobj = re.match(self._VALID_URL, url)
@@ -758,7 +821,7 @@ class DailymotionIE(InfoExtractor):
         for key in ['hd1080URL', 'hd720URL', 'hqURL', 'sdURL', 'ldURL', 'video_url']:
             if key in flashvars:
                 max_quality = key
-                self._downloader.to_screen(u'[dailymotion] Using %s' % key)
+                self.to_screen(u'Using %s' % key)
                 break
         else:
             self._downloader.report_error(u'unable to extract video URL')
@@ -817,11 +880,7 @@ class PhotobucketIE(InfoExtractor):
 
     def report_download_webpage(self, video_id):
         """Report webpage download."""
-        self._downloader.to_screen(u'[photobucket] %s: Downloading webpage' % video_id)
-
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[photobucket] %s: Extracting information' % video_id)
+        self.to_screen(u'%s: Downloading webpage' % video_id)
 
     def _real_extract(self, url):
         # Extract id from URL
@@ -886,11 +945,7 @@ class YahooIE(InfoExtractor):
 
     def report_download_webpage(self, video_id):
         """Report webpage download."""
-        self._downloader.to_screen(u'[video.yahoo] %s: Downloading webpage' % video_id)
-
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[video.yahoo] %s: Extracting information' % video_id)
+        self.to_screen(u'%s: Downloading webpage' % video_id)
 
     def _real_extract(self, url, new_video=True):
         # Extract ID from URL
@@ -1026,11 +1081,7 @@ class VimeoIE(InfoExtractor):
 
     def report_download_webpage(self, video_id):
         """Report webpage download."""
-        self._downloader.to_screen(u'[vimeo] %s: Downloading webpage' % video_id)
-
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[vimeo] %s: Extracting information' % video_id)
+        self.to_screen(u'%s: Downloading webpage' % video_id)
 
     def _real_extract(self, url, new_video=True):
         # Extract ID from URL
@@ -1081,7 +1132,7 @@ class VimeoIE(InfoExtractor):
         # Extract video description
         video_description = get_element_by_attribute("itemprop", "description", webpage)
         if video_description: video_description = clean_html(video_description)
-        else: video_description = ''
+        else: video_description = u''
 
         # Extract upload date
         video_upload_date = None
@@ -1112,7 +1163,7 @@ class VimeoIE(InfoExtractor):
                 video_quality = files[quality][0][2]
                 video_codec = files[quality][0][0]
                 video_extension = files[quality][0][1]
-                self._downloader.to_screen(u'[vimeo] %s: Downloading %s file at %s quality' % (video_id, video_codec.upper(), video_quality))
+                self.to_screen(u'%s: Downloading %s file at %s quality' % (video_id, video_codec.upper(), video_quality))
                 break
         else:
             self._downloader.report_error(u'no known codec found')
@@ -1147,11 +1198,7 @@ class ArteTvIE(InfoExtractor):
 
     def report_download_webpage(self, video_id):
         """Report webpage download."""
-        self._downloader.to_screen(u'[arte.tv] %s: Downloading webpage' % video_id)
-
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[arte.tv] %s: Extracting information' % video_id)
+        self.to_screen(u'%s: Downloading webpage' % video_id)
 
     def fetch_webpage(self, url):
         request = compat_urllib_request.Request(url)
@@ -1281,19 +1328,16 @@ class GenericIE(InfoExtractor):
 
     def report_download_webpage(self, video_id):
         """Report webpage download."""
-        self._downloader.to_screen(u'WARNING: Falling back on generic information extractor.')
-        self._downloader.to_screen(u'[generic] %s: Downloading webpage' % video_id)
-
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[generic] %s: Extracting information' % video_id)
+        if not self._downloader.params.get('test', False):
+            self._downloader.report_warning(u'Falling back on generic information extractor.')
+        self.to_screen(u'%s: Downloading webpage' % video_id)
 
     def report_following_redirect(self, new_url):
         """Report information extraction."""
         self._downloader.to_screen(u'[redirect] Following redirect to %s' % new_url)
 
     def _test_redirect(self, url):
-        """Check if it is a redirect, like url shorteners, in case restart chain."""
+        """Check if it is a redirect, like url shorteners, in case return the new url."""
         class HeadRequest(compat_urllib_request.Request):
             def get_method(self):
                 return "HEAD"
@@ -1344,20 +1388,15 @@ class GenericIE(InfoExtractor):
             return False
 
         self.report_following_redirect(new_url)
-        self._downloader.download([new_url])
-        return True
+        return new_url
 
     def _real_extract(self, url):
-        if self._test_redirect(url): return
+        new_url = self._test_redirect(url)
+        if new_url: return [self.url_result(new_url)]
 
         video_id = url.split('/')[-1]
-        request = compat_urllib_request.Request(url)
         try:
-            self.report_download_webpage(video_id)
-            webpage = compat_urllib_request.urlopen(request).read()
-        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-            self._downloader.report_error(u'Unable to retrieve video webpage: %s' % compat_str(err))
-            return
+            webpage = self._download_webpage(url, video_id)
         except ValueError as err:
             # since this is the last-resort InfoExtractor, if
             # this error is thrown, it'll be thrown here
@@ -1444,11 +1483,9 @@ class YoutubeSearchIE(InfoExtractor):
         prefix = prefix[8:]
         query = query.encode('utf-8')
         if prefix == '':
-            self._download_n_results(query, 1)
-            return
+            return self._get_n_results(query, 1)
         elif prefix == 'all':
-            self._download_n_results(query, self._max_youtube_results)
-            return
+            self._get_n_results(query, self._max_youtube_results)
         else:
             try:
                 n = int(prefix)
@@ -1458,14 +1495,12 @@ class YoutubeSearchIE(InfoExtractor):
                 elif n > self._max_youtube_results:
                     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
+                return self._get_n_results(query, n)
             except ValueError: # parsing prefix as integer fails
-                self._download_n_results(query, 1)
-                return
+                return self._get_n_results(query, 1)
 
-    def _download_n_results(self, query, n):
-        """Downloads a specified number of results for a query"""
+    def _get_n_results(self, query, n):
+        """Get a specified number of results for a query"""
 
         video_ids = []
         pagenum = 0
@@ -1494,9 +1529,8 @@ class YoutubeSearchIE(InfoExtractor):
 
         if len(video_ids) > n:
             video_ids = video_ids[:n]
-        for id in video_ids:
-            self._downloader.download(['http://www.youtube.com/watch?v=%s' % id])
-        return
+        videos = [self.url_result('http://www.youtube.com/watch?v=%s' % id, 'Youtube') for id in video_ids]
+        return videos
 
 
 class GoogleSearchIE(InfoExtractor):
@@ -1514,7 +1548,7 @@ class GoogleSearchIE(InfoExtractor):
     def report_download_page(self, query, pagenum):
         """Report attempt to download playlist page with given number."""
         query = query.decode(preferredencoding())
-        self._downloader.to_screen(u'[video.google] query "%s": Downloading page %s' % (query, pagenum))
+        self.to_screen(u'query "%s": Downloading page %s' % (query, pagenum))
 
     def _real_extract(self, query):
         mobj = re.match(self._VALID_URL, query)
@@ -1598,7 +1632,7 @@ class YahooSearchIE(InfoExtractor):
     def report_download_page(self, query, pagenum):
         """Report attempt to download playlist page with given number."""
         query = query.decode(preferredencoding())
-        self._downloader.to_screen(u'[video.yahoo] query "%s": Downloading page %s' % (query, pagenum))
+        self.to_screen(u'query "%s": Downloading page %s' % (query, pagenum))
 
     def _real_extract(self, query):
         mobj = re.match(self._VALID_URL, query)
@@ -1677,9 +1711,7 @@ class YoutubePlaylistIE(InfoExtractor):
                         (?:
                            (?: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,})
                         .*
@@ -1730,9 +1762,15 @@ class YoutubePlaylistIE(InfoExtractor):
                 self._downloader.report_error(u'Invalid JSON in API response: ' + compat_str(err))
                 return
 
-            if not 'feed' in response or not 'entry' in response['feed']:
+            if 'feed' not in response:
                 self._downloader.report_error(u'Got a malformed response from YouTube API')
                 return
+            if 'entry' not in response['feed']:
+                # Number of videos is a multiple of self._MAX_RESULTS
+                break
+
+            playlist_title = response['feed']['title']['$t']
+
             videos += [ (entry['yt$position']['$t'], entry['content']['src'])
                         for entry in response['feed']['entry']
                         if 'content' in entry ]
@@ -1742,37 +1780,31 @@ class YoutubePlaylistIE(InfoExtractor):
             page_num += 1
 
         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:
-            videos = videos[playliststart:]
-        else:
-            videos = videos[playliststart:playlistend]
-
-        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(videos)))
 
-        for video in videos:
-            self._downloader.download([video])
-        return
+        url_results = [self.url_result(url, 'Youtube') for url in videos]
+        return [self.playlist_result(url_results, playlist_id, playlist_title)]
 
 
 class YoutubeChannelIE(InfoExtractor):
     """Information Extractor for YouTube channels."""
 
-    _VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)(?:/.*)?$"
+    _VALID_URL = r"^(?:https?://)?(?:youtu\.be|(?:\w+\.)?youtube(?:-nocookie)?\.com)/channel/([0-9A-Za-z_-]+)"
     _TEMPLATE_URL = 'http://www.youtube.com/channel/%s/videos?sort=da&flow=list&view=0&page=%s&gl=US&hl=en'
-    _MORE_PAGES_INDICATOR = u"Next \N{RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK}"
+    _MORE_PAGES_INDICATOR = 'yt-uix-load-more'
+    _MORE_PAGES_URL = 'http://www.youtube.com/channel_ajax?action_load_more_videos=1&flow=list&paging=%s&view=0&sort=da&channel_id=%s'
     IE_NAME = u'youtube:channel'
 
     def report_download_page(self, channel_id, pagenum):
         """Report attempt to download channel page with given number."""
         self._downloader.to_screen(u'[youtube] Channel %s: Downloading page #%s' % (channel_id, pagenum))
 
+    def extract_videos_from_page(self, page):
+        ids_in_page = []
+        for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&?', page):
+            if mobj.group(1) not in ids_in_page:
+                ids_in_page.append(mobj.group(1))
+        return ids_in_page
+
     def _real_extract(self, url):
         # Extract channel id
         mobj = re.match(self._VALID_URL, url)
@@ -1780,37 +1812,51 @@ class YoutubeChannelIE(InfoExtractor):
             self._downloader.report_error(u'invalid url: %s' % url)
             return
 
-        # Download channel pages
+        # Download channel page
         channel_id = mobj.group(1)
         video_ids = []
         pagenum = 1
 
-        while True:
-            self.report_download_page(channel_id, pagenum)
-            url = self._TEMPLATE_URL % (channel_id, pagenum)
-            request = compat_urllib_request.Request(url)
-            try:
-                page = compat_urllib_request.urlopen(request).read().decode('utf8')
-            except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
-                self._downloader.report_error(u'unable to download webpage: %s' % compat_str(err))
-                return
+        self.report_download_page(channel_id, pagenum)
+        url = self._TEMPLATE_URL % (channel_id, pagenum)
+        request = compat_urllib_request.Request(url)
+        try:
+            page = compat_urllib_request.urlopen(request).read().decode('utf8')
+        except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+            self._downloader.report_error(u'unable to download webpage: %s' % compat_str(err))
+            return
 
-            # Extract video identifiers
-            ids_in_page = []
-            for mobj in re.finditer(r'href="/watch\?v=([0-9A-Za-z_-]+)&', page):
-                if mobj.group(1) not in ids_in_page:
-                    ids_in_page.append(mobj.group(1))
-            video_ids.extend(ids_in_page)
+        # Extract video identifiers
+        ids_in_page = self.extract_videos_from_page(page)
+        video_ids.extend(ids_in_page)
 
-            if self._MORE_PAGES_INDICATOR not in page:
-                break
-            pagenum = pagenum + 1
+        # Download any subsequent channel pages using the json-based channel_ajax query
+        if self._MORE_PAGES_INDICATOR in page:
+            while True:
+                pagenum = pagenum + 1
+
+                self.report_download_page(channel_id, pagenum)
+                url = self._MORE_PAGES_URL % (pagenum, channel_id)
+                request = compat_urllib_request.Request(url)
+                try:
+                    page = compat_urllib_request.urlopen(request).read().decode('utf8')
+                except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
+                    self._downloader.report_error(u'unable to download webpage: %s' % compat_str(err))
+                    return
+
+                page = json.loads(page)
+
+                ids_in_page = self.extract_videos_from_page(page['content_html'])
+                video_ids.extend(ids_in_page)
+
+                if self._MORE_PAGES_INDICATOR  not in page['load_more_widget_html']:
+                    break
 
         self._downloader.to_screen(u'[youtube] Channel %s: Found %i videos' % (channel_id, len(video_ids)))
 
-        for id in video_ids:
-            self._downloader.download(['http://www.youtube.com/watch?v=%s' % id])
-        return
+        urls = ['http://www.youtube.com/watch?v=%s' % id for id in video_ids]
+        url_entries = [self.url_result(url, 'Youtube') for url in urls]
+        return [self.playlist_result(url_entries, channel_id)]
 
 
 class YoutubeUserIE(InfoExtractor):
@@ -1880,20 +1926,9 @@ class YoutubeUserIE(InfoExtractor):
 
             pagenum += 1
 
-        all_ids_count = len(video_ids)
-        playliststart = self._downloader.params.get('playliststart', 1) - 1
-        playlistend = self._downloader.params.get('playlistend', -1)
-
-        if playlistend == -1:
-            video_ids = video_ids[playliststart:]
-        else:
-            video_ids = video_ids[playliststart:playlistend]
-
-        self._downloader.to_screen(u"[youtube] user %s: Collected %d video ids (downloading %d of them)" %
-                (username, all_ids_count, len(video_ids)))
-
-        for video_id in video_ids:
-            self._downloader.download(['http://www.youtube.com/watch?v=%s' % video_id])
+        urls = ['http://www.youtube.com/watch?v=%s' % video_id for video_id in video_ids]
+        url_results = [self.url_result(url, 'Youtube') for url in urls]
+        return [self.playlist_result(url_results, playlist_title = username)]
 
 
 class BlipTVUserIE(InfoExtractor):
@@ -1908,8 +1943,8 @@ class BlipTVUserIE(InfoExtractor):
 
     def report_download_page(self, username, pagenum):
         """Report attempt to download user page."""
-        self._downloader.to_screen(u'[%s] user %s: Downloading video ids from page %d' %
-                (self.IE_NAME, username, pagenum))
+        self.to_screen(u'user %s: Downloading video ids from page %d' %
+                (username, pagenum))
 
     def _real_extract(self, url):
         # Extract username
@@ -1971,20 +2006,9 @@ class BlipTVUserIE(InfoExtractor):
 
             pagenum += 1
 
-        all_ids_count = len(video_ids)
-        playliststart = self._downloader.params.get('playliststart', 1) - 1
-        playlistend = self._downloader.params.get('playlistend', -1)
-
-        if playlistend == -1:
-            video_ids = video_ids[playliststart:]
-        else:
-            video_ids = video_ids[playliststart:playlistend]
-
-        self._downloader.to_screen(u"[%s] user %s: Collected %d video ids (downloading %d of them)" %
-                (self.IE_NAME, username, all_ids_count, len(video_ids)))
-
-        for video_id in video_ids:
-            self._downloader.download([u'http://blip.tv/'+video_id])
+        urls = [u'http://blip.tv/%s' % video_id for video_id in video_ids]
+        url_entries = [self.url_result(url, 'BlipTV') for url in urls]
+        return [self.playlist_result(url_entries, playlist_title = username)]
 
 
 class DepositFilesIE(InfoExtractor):
@@ -1994,11 +2018,7 @@ class DepositFilesIE(InfoExtractor):
 
     def report_download_webpage(self, file_id):
         """Report webpage download."""
-        self._downloader.to_screen(u'[DepositFiles] %s: Downloading webpage' % file_id)
-
-    def report_extraction(self, file_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[DepositFiles] %s: Extracting information' % file_id)
+        self.to_screen(u'%s: Downloading webpage' % file_id)
 
     def _real_extract(self, url):
         file_id = url.split('/')[-1]
@@ -2057,7 +2077,7 @@ class FacebookIE(InfoExtractor):
 
     def report_login(self):
         """Report attempt to log in."""
-        self._downloader.to_screen(u'[%s] Logging in' % self.IE_NAME)
+        self.to_screen(u'Logging in')
 
     def _real_initialize(self):
         if self._downloader is None:
@@ -2113,7 +2133,7 @@ class FacebookIE(InfoExtractor):
         url = 'https://www.facebook.com/video/video.php?v=%s' % video_id
         webpage = self._download_webpage(url, video_id)
 
-        BEFORE = '[["allowFullScreen","true"],["allowScriptAccess","always"],["salign","tl"],["scale","noscale"],["wmode","opaque"]].forEach(function(param) {swf.addParam(param[0], param[1]);});\n'
+        BEFORE = '{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:
@@ -2121,12 +2141,14 @@ class FacebookIE(InfoExtractor):
         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']
+        video_data = params['video_data'][0]
+        video_url = video_data.get('hd_src')
         if not video_url:
-            video_url = params['sd_src']
+            video_url = video_data['sd_src']
         if not video_url:
             raise ExtractorError(u'Cannot find video URL')
-        video_duration = int(params['video_duration'])
+        video_duration = int(video_data['video_duration'])
+        thumbnail = video_data['thumbnail_src']
 
         m = re.search('<h2 class="uiHeaderTitle">([^<]+)</h2>', webpage)
         if not m:
@@ -2139,7 +2161,7 @@ class FacebookIE(InfoExtractor):
             'url': video_url,
             'ext': 'mp4',
             'duration': video_duration,
-            'thumbnail': params['thumbnail_src'],
+            'thumbnail': thumbnail,
         }
         return [info]
 
@@ -2151,13 +2173,9 @@ class BlipTVIE(InfoExtractor):
     _URL_EXT = r'^.*\.([a-z0-9]+)$'
     IE_NAME = u'blip.tv'
 
-    def report_extraction(self, file_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, file_id))
-
     def report_direct_download(self, title):
         """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Direct download detected' % (self.IE_NAME, title))
+        self.to_screen(u'%s: Direct download detected' % title)
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
@@ -2255,10 +2273,6 @@ class MyVideoIE(InfoExtractor):
     def __init__(self, downloader=None):
         InfoExtractor.__init__(self, downloader)
 
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[myvideo] %s: Extracting information' % video_id)
-
     def _real_extract(self,url):
         mobj = re.match(self._VALID_URL, url)
         if mobj is None:
@@ -2272,7 +2286,7 @@ class MyVideoIE(InfoExtractor):
         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.report_error(u'unable to extract media URL')
@@ -2336,14 +2350,11 @@ class ComedyCentralIE(InfoExtractor):
         """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_extraction(self, episode_id):
-        self._downloader.to_screen(u'[comedycentral] %s: Extracting information' % 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))
+        self.to_screen(u'%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)
+        self.to_screen(u'%s: Downloading show index' % episode_id)
 
     def _print_formats(self, formats):
         print('Available formats:')
@@ -2497,11 +2508,8 @@ class EscapistIE(InfoExtractor):
     _VALID_URL = r'^(https?://)?(www\.)?escapistmagazine\.com/videos/view/(?P<showname>[^/]+)/(?P<episode>[^/?]+)[/?]?.*$'
     IE_NAME = u'escapist'
 
-    def report_extraction(self, showName):
-        self._downloader.to_screen(u'[escapist] %s: Extracting information' % showName)
-
     def report_config_download(self, showName):
-        self._downloader.to_screen(u'[escapist] %s: Downloading configuration' % showName)
+        self.to_screen(u'%s: Downloading configuration' % showName)
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
@@ -2557,7 +2565,7 @@ class EscapistIE(InfoExtractor):
             'uploader': showName,
             'upload_date': None,
             'title': showName,
-            'ext': 'flv',
+            'ext': 'mp4',
             'thumbnail': imgUrl,
             'description': description,
             'player_url': playerUrl,
@@ -2574,11 +2582,7 @@ class CollegeHumorIE(InfoExtractor):
 
     def report_manifest(self, video_id):
         """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Downloading XML manifest' % (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))
+        self.to_screen(u'%s: Downloading XML manifest' % video_id)
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
@@ -2643,10 +2647,6 @@ class XVideosIE(InfoExtractor):
     _VALID_URL = r'^(?:https?://)?(?:www\.)?xvideos\.com/video([0-9]+)(?:.*)'
     IE_NAME = u'xvideos'
 
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        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:
@@ -2713,11 +2713,7 @@ class SoundcloudIE(InfoExtractor):
 
     def report_resolve(self, video_id):
         """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Resolving id' % (self.IE_NAME, video_id))
-
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Retrieving stream' % (self.IE_NAME, video_id))
+        self.to_screen(u'%s: Resolving id' % video_id)
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
@@ -2769,15 +2765,88 @@ class SoundcloudIE(InfoExtractor):
             'description': info['description'],
         }]
 
+class SoundcloudSetIE(InfoExtractor):
+    """Information extractor for soundcloud.com sets
+       To access the media, the uid of the song and a stream token
+       must be extracted from the page source and the script must make
+       a request to media.soundcloud.com/crossdomain.xml. Then
+       the media can be grabbed by requesting from an url composed
+       of the stream token and uid
+     """
+
+    _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)'
+    IE_NAME = u'soundcloud'
+
+    def __init__(self, downloader=None):
+        InfoExtractor.__init__(self, downloader)
+
+    def report_resolve(self, video_id):
+        """Report information extraction."""
+        self.to_screen(u'%s: Resolving id' % video_id)
+
+    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
+
+        # extract uploader (which is in the url)
+        uploader = mobj.group(1)
+        # extract simple title (uploader + slug of song title)
+        slug_title =  mobj.group(2)
+        simple_title = uploader + u'-' + slug_title
+
+        self.report_resolve('%s/sets/%s' % (uploader, slug_title))
+
+        url = 'http://soundcloud.com/%s/sets/%s' % (uploader, slug_title)
+        resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
+        request = compat_urllib_request.Request(resolv_url)
+        try:
+            info_json_bytes = compat_urllib_request.urlopen(request).read()
+            info_json = info_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))
+            return
+
+        videos = []
+        info = json.loads(info_json)
+        if 'errors' in info:
+            for err in info['errors']:
+                self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err['error_message']))
+            return
+
+        for track in info['tracks']:
+            video_id = track['id']
+            self.report_extraction('%s/sets/%s' % (uploader, slug_title))
+
+            streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
+            request = compat_urllib_request.Request(streams_url)
+            try:
+                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 stream definitions: %s' % compat_str(err))
+                return
+
+            streams = json.loads(stream_json)
+            mediaURL = streams['http_mp3_128_url']
+
+            videos.append({
+                'id':       video_id,
+                'url':      mediaURL,
+                'uploader': track['user']['username'],
+                'upload_date':  track['created_at'],
+                'title':    track['title'],
+                'ext':      u'mp3',
+                'description': track['description'],
+            })
+        return videos
+
 
 class InfoQIE(InfoExtractor):
     """Information extractor for infoq.com"""
     _VALID_URL = r'^(?:https?://)?(?:www\.)?infoq\.com/[^/]+/[^/]+$'
 
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        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:
@@ -2836,11 +2905,7 @@ class MixcloudIE(InfoExtractor):
 
     def report_download_json(self, file_id):
         """Report JSON download."""
-        self._downloader.to_screen(u'[%s] Downloading json' % self.IE_NAME)
-
-    def report_extraction(self, file_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, file_id))
+        self.to_screen(u'Downloading json')
 
     def get_urls(self, jsonData, fmt, bitrate='best'):
         """Get urls from 'audio_formats' section in json"""
@@ -2947,11 +3012,7 @@ class StanfordOpenClassroomIE(InfoExtractor):
 
     def report_download_webpage(self, objid):
         """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, objid))
-
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
+        self.to_screen(u'%s: Downloading webpage' % objid)
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
@@ -3057,10 +3118,6 @@ class MTVIE(InfoExtractor):
     _VALID_URL = r'^(?P<proto>https?://)?(?:www\.)?mtv\.com/videos/[^/]+/(?P<videoid>[0-9]+)/[^/]+$'
     IE_NAME = u'mtv'
 
-    def report_extraction(self, video_id):
-        """Report information extraction."""
-        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:
@@ -3137,11 +3194,7 @@ class YoukuIE(InfoExtractor):
 
     def report_download_webpage(self, file_id):
         """Report webpage download."""
-        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'[%s] %s: Extracting information' % (self.IE_NAME, file_id))
+        self.to_screen(u'%s: Downloading webpage' % file_id)
 
     def _gen_sid(self):
         nowTime = int(time.time() * 1000)
@@ -3254,11 +3307,7 @@ class XNXXIE(InfoExtractor):
 
     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))
+        self.to_screen(u'%s: Downloading webpage' % video_id)
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
@@ -3318,23 +3367,23 @@ class GooglePlusIE(InfoExtractor):
 
     def report_extract_entry(self, url):
         """Report downloading extry"""
-        self._downloader.to_screen(u'[plus.google] Downloading entry: %s' % url)
+        self.to_screen(u'Downloading entry: %s' % url)
 
     def report_date(self, upload_date):
         """Report downloading extry"""
-        self._downloader.to_screen(u'[plus.google] Entry date: %s' % upload_date)
+        self.to_screen(u'Entry date: %s' % upload_date)
 
     def report_uploader(self, uploader):
         """Report downloading extry"""
-        self._downloader.to_screen(u'[plus.google] Uploader: %s' % uploader)
+        self.to_screen(u'Uploader: %s' % uploader)
 
     def report_title(self, video_title):
         """Report downloading extry"""
-        self._downloader.to_screen(u'[plus.google] Title: %s' % video_title)
+        self.to_screen(u'Title: %s' % video_title)
 
     def report_extract_vid_page(self, video_page):
         """Report information extraction."""
-        self._downloader.to_screen(u'[plus.google] Extracting video page: %s' % video_page)
+        self.to_screen(u'Extracting video page: %s' % video_page)
 
     def _real_extract(self, url):
         # Extract id from URL
@@ -3478,14 +3527,10 @@ class JustinTVIE(InfoExtractor):
     _JUSTIN_PAGE_LIMIT = 100
     IE_NAME = u'justin.tv'
 
-    def report_extraction(self, file_id):
-        """Report information extraction."""
-        self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, file_id))
-
     def report_download_page(self, channel, offset):
         """Report attempt to download a single page of videos."""
-        self._downloader.to_screen(u'[%s] %s: Downloading video information from %d to %d' %
-                (self.IE_NAME, channel, offset, offset + self._JUSTIN_PAGE_LIMIT))
+        self.to_screen(u'%s: Downloading video information from %d to %d' %
+                (channel, offset, offset + self._JUSTIN_PAGE_LIMIT))
 
     # Return count of items, list of *valid* items
     def _parse_page(self, url):
@@ -3571,10 +3616,12 @@ class FunnyOrDieIE(InfoExtractor):
             self._downloader.report_error(u'unable to find video information')
         video_url = unescapeHTML(m.group('url'))
 
-        m = re.search(r"class='player_page_h1'>\s+<a.*?>(?P<title>.*?)</a>", webpage)
+        m = re.search(r"<h1 class='player_page_h1'.*?>(?P<title>.*?)</h1>", webpage, flags=re.DOTALL)
         if not m:
-            self._downloader.trouble(u'Cannot find video title')
-        title = unescapeHTML(m.group('title'))
+            m = re.search(r'<title>(?P<title>[^<]+?)</title>', webpage)
+            if not m:
+                self._downloader.trouble(u'Cannot find video title')
+        title = clean_html(m.group('title'))
 
         m = re.search(r'<meta property="og:description" content="(?P<desc>.*?)"', webpage)
         if m:
@@ -3605,10 +3652,13 @@ class SteamIE(InfoExtractor):
 
     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
+        videourl = 'http://store.steampowered.com/agecheck/video/%s/?snr=1_agecheck_agecheck__age-gate&ageDay=1&ageMonth=January&ageYear=1970' % gameID
+        self.report_age_confirmation()
         webpage = self._download_webpage(videourl, gameID)
+        game_title = re.search(r'<h2 class="pageheader">(?P<game_title>.*?)</h2>', webpage).group('game_title')
+        
+        urlRE = r"'movie_(?P<videoID>\d+)': \{\s*FILENAME: \"(?P<videoURL>[\w:/\.\?=]+)\"(,\s*MOVIE_NAME: \"(?P<videoName>[\w:/\.\?=\+-]+)\")?\s*\},"
         mweb = re.finditer(urlRE, webpage)
         namesRE = r'<span class="title">(?P<videoName>.+?)</span>'
         titles = re.finditer(namesRE, webpage)
@@ -3630,7 +3680,7 @@ class SteamIE(InfoExtractor):
                 'thumbnail': video_thumb
                   }
             videos.append(info)
-        return videos
+        return [self.playlist_result(videos, gameID, game_title)]
 
 class UstreamIE(InfoExtractor):
     _VALID_URL = r'https?://www\.ustream\.tv/recorded/(?P<videoID>\d+)'
@@ -3654,6 +3704,62 @@ class UstreamIE(InfoExtractor):
                   }
         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(url).read()
+        webpage_src = webpage_src.decode('utf-8')
+
+        mobj = re.search(_src_url, webpage_src)
+
+        m = re.match(self._VALID_URL, url)
+        video_id = m.group('id')
+
+        if mobj is not None:
+            video_url = mobj.group()
+            if 'mp4' in video_url:
+                ext = 'mp4'
+            else:
+                ext = 'flv'
+        else:
+            self._downloader.trouble(u'ERROR: Cannot find video url for %s' % video_id)
+            return
+
+        _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
+
+        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>[^/]+)$'
 
@@ -3756,7 +3862,7 @@ class YouPornIE(InfoExtractor):
         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))
+        self.to_screen(u'Links found: %d' % len(links))
 
         formats = []
         for link in links:
@@ -3792,7 +3898,7 @@ class YouPornIE(InfoExtractor):
             return
 
         req_format = self._downloader.params.get('format', None)
-        self._downloader.to_screen(u'[youporn] Format: %s' % req_format)
+        self.to_screen(u'Format: %s' % req_format)
 
         if req_format is None or req_format == 'best':
             return [formats[0]]
@@ -3951,13 +4057,13 @@ class KeekIE(InfoExtractor):
         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)
+        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'))
+        m = re.search(r'<div class="user-name-and-bio">[\S\s]+?<h2>(?P<uploader>.+?)</h2>', webpage)
+        uploader = clean_html(m.group('uploader'))
         info = {
-                'id':video_id,
-                'url':video_url,
+                'id': video_id,
+                'url': video_url,
                 'ext': 'mp4',
                 'title': title,
                 'thumbnail': thumbnail,
@@ -3987,8 +4093,8 @@ class TEDIE(InfoExtractor):
         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)
+            self.to_screen(u'Getting info of playlist %s: "%s"' % (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'''
@@ -4005,12 +4111,17 @@ class TEDIE(InfoExtractor):
         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=[]
+
+        playlist_RE = r'div class="headline">(\s*?)<h1>(\s*?)<span>(?P<playlist_title>.*?)</span>'
+        m_playlist = re.search(playlist_RE, webpage)
+        playlist_title = m_playlist.group('playlist_title')
+
+        playlist_entries = []
         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
+            playlist_entries.append(self.url_result(talk_url, 'TED'))
+        return self.playlist_result(playlist_entries, playlist_id = playlist_id, playlist_title = playlist_title)
 
     def _talk_info(self, url, video_id=0):
         """Return the video for the talk in the url"""
@@ -4018,7 +4129,7 @@ class TEDIE(InfoExtractor):
         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=r'<span id="altHeadline" >(?P<title>.*)</span>'
         title=re.search(title_RE, webpage).group('title')
         info_RE=r'''<script\ type="text/javascript">var\ talkDetails\ =(.*?)
                         "id":(?P<videoID>[\d]+).*?
@@ -4094,6 +4205,163 @@ class MySpassIE(InfoExtractor):
         }
         return [info]
 
+class SpiegelIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?spiegel\.de/video/[^/]*-(?P<videoID>[0-9]+)(?:\.html)?(?:#.*)?$'
+
+    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'<div class="spVideoTitle">(.*?)</div>', webpage)
+        if not m:
+            raise ExtractorError(u'Cannot find title')
+        video_title = unescapeHTML(m.group(1))
+
+        xml_url = u'http://video2.spiegel.de/flash/' + video_id + u'.xml'
+        xml_code = self._download_webpage(xml_url, video_id,
+                    note=u'Downloading XML', errnote=u'Failed to download XML')
+
+        idoc = xml.etree.ElementTree.fromstring(xml_code)
+        last_type = idoc[-1]
+        filename = last_type.findall('./filename')[0].text
+        duration = float(last_type.findall('./duration')[0].text)
+
+        video_url = 'http://video2.spiegel.de/flash/' + filename
+        video_ext = filename.rpartition('.')[2]
+        info = {
+            'id': video_id,
+            'url': video_url,
+            'ext': video_ext,
+            'title': video_title,
+            'duration': duration,
+        }
+        return [info]
+
+class LiveLeakIE(InfoExtractor):
+
+    _VALID_URL = r'^(?:http?://)?(?:\w+\.)?liveleak\.com/view\?(?:.*?)i=(?P<video_id>[\w_]+)(?:.*)'
+    IE_NAME = u'liveleak'
+
+    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('video_id')
+
+        webpage = self._download_webpage(url, video_id)
+
+        m = re.search(r'file: "(.*?)",', webpage)
+        if not m:
+            self._downloader.report_error(u'unable to find video url')
+            return
+        video_url = m.group(1)
+
+        m = re.search(r'<meta property="og:title" content="(?P<title>.*?)"', webpage)
+        if not m:
+            self._downloader.trouble(u'Cannot find video title')
+        title = unescapeHTML(m.group('title')).replace('LiveLeak.com -', '').strip()
+
+        m = re.search(r'<meta property="og:description" content="(?P<desc>.*?)"', webpage)
+        if m:
+            desc = unescapeHTML(m.group('desc'))
+        else:
+            desc = None
+
+        m = re.search(r'By:.*?(\w+)</a>', webpage)
+        if m:
+            uploader = clean_html(m.group(1))
+        else:
+            uploader = None
+
+        info = {
+            'id':  video_id,
+            'url': video_url,
+            'ext': 'mp4',
+            'title': title,
+            'description': desc,
+            'uploader': uploader
+        }
+
+        return [info]
+
+class ARDIE(InfoExtractor):
+    _VALID_URL = r'^(?:https?://)?(?:(?:www\.)?ardmediathek\.de|mediathek\.daserste\.de)/(?:.*/)(?P<video_id>[^/\?]+)(?:\?.*)?'
+    _TITLE = r'<h1(?: class="boxTopHeadline")?>(?P<title>.*)</h1>'
+    _MEDIA_STREAM = r'mediaCollection\.addMediaStream\((?P<media_type>\d+), (?P<quality>\d+), "(?P<rtmp_url>[^"]*)", "(?P<video_url>[^"]*)", "[^"]*"\)'
+
+    def _real_extract(self, url):
+        # determine video id from url
+        m = re.match(self._VALID_URL, url)
+
+        numid = re.search(r'documentId=([0-9]+)', url)
+        if numid:
+            video_id = numid.group(1)
+        else:
+            video_id = m.group('video_id')
+
+        # determine title and media streams from webpage
+        html = self._download_webpage(url, video_id)
+        title = re.search(self._TITLE, html).group('title')
+        streams = [m.groupdict() for m in re.finditer(self._MEDIA_STREAM, html)]
+        if not streams:
+            assert '"fsk"' in html
+            self._downloader.report_error(u'this video is only available after 8:00 pm')
+            return
+
+        # choose default media type and highest quality for now
+        stream = max([s for s in streams if int(s["media_type"]) == 0],
+                     key=lambda s: int(s["quality"]))
+
+        # there's two possibilities: RTMP stream or HTTP download
+        info = {'id': video_id, 'title': title, 'ext': 'mp4'}
+        if stream['rtmp_url']:
+            self.to_screen(u'RTMP download detected')
+            assert stream['video_url'].startswith('mp4:')
+            info["url"] = stream["rtmp_url"]
+            info["play_path"] = stream['video_url']
+        else:
+            assert stream["video_url"].endswith('.mp4')
+            info["url"] = stream["video_url"]
+        return [info]
+
+class TumblrIE(InfoExtractor):
+    _VALID_URL = r'http://(?P<blog_name>.*?).tumblr.com/((post)|(video))/(?P<id>\d*)/(.*?)'
+
+    def _real_extract(self, url):
+        m_url = re.match(self._VALID_URL, url)
+        video_id = m_url.group('id')
+        blog = m_url.group('blog_name')
+
+        url = 'http://%s.tumblr.com/post/%s/' % (blog, video_id)
+        webpage = self._download_webpage(url, video_id)
+
+        re_video = r'src=\\x22(?P<video_url>http://%s.tumblr.com/video_file/%s/(.*?))\\x22 type=\\x22video/(?P<ext>.*?)\\x22' % (blog, video_id)
+        video = re.search(re_video, webpage)
+        if video is None:
+            self.to_screen("No video founded")
+            return []
+        video_url = video.group('video_url')
+        ext = video.group('ext')
+
+        re_thumb = r'posters(.*?)\[\\x22(?P<thumb>.*?)\\x22'  # We pick the first poster
+        thumb = re.search(re_thumb, webpage).group('thumb').replace('\\', '')
+
+        # The only place where you can get a title, it's not complete,
+        # but searching in other places doesn't work for all videos
+        re_title = r'<title>(.*?) - (?P<title>.*?)</title>'
+        title = unescapeHTML(re.search(re_title, webpage).group('title'))
+
+        return [{'id': video_id,
+                 'url': video_url,
+                 'title': title,
+                 'thumbnail': thumb,
+                 'ext': ext
+                 }]
+
+
 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.
@@ -4120,6 +4388,7 @@ def gen_extractors():
         EscapistIE(),
         CollegeHumorIE(),
         XVideosIE(),
+        SoundcloudSetIE(),
         SoundcloudIE(),
         InfoQIE(),
         MixcloudIE(),
@@ -4133,6 +4402,7 @@ def gen_extractors():
         GooglePlusIE(),
         ArteTvIE(),
         NBAIE(),
+        WorldStarHipHopIE(),
         JustinTVIE(),
         FunnyOrDieIE(),
         SteamIE(),
@@ -4142,7 +4412,13 @@ def gen_extractors():
         KeekIE(),
         TEDIE(),
         MySpassIE(),
+        SpiegelIE(),
+        LiveLeakIE(),
+        ARDIE(),
+        TumblrIE(),
         GenericIE()
     ]
 
-
+def get_info_extractor(ie_name):
+    """Returns the info extractor class with the given ie_name"""
+    return globals()[ie_name+'IE']