Merge pull request #403 from FiloSottile/re_VERBOSE
[youtube-dl] / youtube_dl / InfoExtractors.py
index 256d106b10409c6fbba199c038b4651bc0e2d36e..bdb2ec3110321c2628b281d36062ffa1bdb0905f 100644 (file)
@@ -13,6 +13,8 @@ import urllib
 import urllib2
 import email.utils
 import xml.etree.ElementTree
+import random
+import math
 from urlparse import parse_qs
 
 try:
@@ -39,7 +41,6 @@ class InfoExtractor(object):
        url:            Final video URL.
        uploader:       Nickname of the video uploader.
        title:          Literal title.
-       stitle:         Simplified title.
        ext:            Video filename extension.
        format:         Video format.
        player_url:     SWF Player URL (may be None).
@@ -96,15 +97,33 @@ class InfoExtractor(object):
 class YoutubeIE(InfoExtractor):
        """Information extractor for youtube.com."""
 
-       _VALID_URL = r'^((?:https?://)?(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/)(?!view_play_list|my_playlists|artist|playlist)(?:(?:(?:v|embed|e)/)|(?:(?:watch(?:_popup)?(?:\.php)?)?(?:\?|#!?)(?:.+&)?v=))?)?([0-9A-Za-z_-]+)(?(1).+)?$'
+       _VALID_URL = r"""^
+                        (
+                            (?:https?://)?                                       # http(s):// (optional)
+                            (?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/|
+                               tube\.majestyc\.net/)                             # the various hostnames, with wildcard subdomains
+                            (?!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
+                                    (?:watch(?:_popup)?(?:\.php)?)?              # preceding watch(_popup|.php) or nothing (like /?v=xxxx)
+                                    (?:\?|\#!?)                                  # the params delimiter ? or # or #!
+                                    (?:.+&)?                                     # any other preceding param (like /?s=tuff&v=xxxx)
+                                    v=
+                                )
+                            )?                                                   # optional -> youtube.com/xxxx is OK
+                        )?                                                       # all until now is optional -> you can pass the naked ID
+                        ([0-9A-Za-z_-]+)                                         # here is it! the YouTube video ID
+                        (?(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'
        _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
        _NEXT_URL_RE = r'[\?&]next_url=([^&]+)'
        _NETRC_MACHINE = 'youtube'
        # Listed in order of quality
-       _available_formats = ['38', '37', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13']
-       _available_formats_prefer_free = ['38', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13']
+       _available_formats = ['38', '37', '46', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13']
+       _available_formats_prefer_free = ['38', '46', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13']
        _video_extensions = {
                '13': '3gp',
                '17': 'mp4',
@@ -115,6 +134,7 @@ class YoutubeIE(InfoExtractor):
                '43': 'webm',
                '44': 'webm',
                '45': 'webm',
+               '46': 'webm',
        }
        _video_dimensions = {
                '5': '240x400',
@@ -130,9 +150,14 @@ class YoutubeIE(InfoExtractor):
                '43': '360x640',
                '44': '480x854',
                '45': '720x1280',
+               '46': '1080x1920',
        }       
        IE_NAME = u'youtube'
 
+       def suitable(self, url):
+               """Receives a URL and returns True if suitable for this IE."""
+               return re.match(self._VALID_URL, url, re.VERBOSE) is not None
+
        def report_lang(self):
                """Report attempt to set language."""
                self._downloader.to_screen(u'[youtube] Setting language')
@@ -180,8 +205,8 @@ class YoutubeIE(InfoExtractor):
                        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, inentional
-                       srt += str(n) + '\n'
+                       caption = unescapeHTML(caption) # double cycle, intentional
+                       srt += str(n+1) + '\n'
                        srt += start + ' --> ' + end + '\n'
                        srt += caption + '\n\n'
                return srt
@@ -267,7 +292,7 @@ class YoutubeIE(InfoExtractor):
                        url = 'http://www.youtube.com/' + urllib.unquote(mobj.group(1)).lstrip('/')
 
                # Extract video id from URL
-               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
@@ -310,6 +335,11 @@ class YoutubeIE(InfoExtractor):
                                self._downloader.trouble(u'ERROR: "token" parameter not in video info for unknown reason')
                        return
 
+               # Check for "rental" videos
+               if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
+                       self._downloader.trouble(u'ERROR: "rental" videos not supported')
+                       return
+
                # Start extracting information
                self.report_information_extraction(video_id)
 
@@ -325,10 +355,6 @@ class YoutubeIE(InfoExtractor):
                        return
                video_title = urllib.unquote_plus(video_info['title'][0])
                video_title = video_title.decode('utf-8')
-               video_title = sanitize_title(video_title)
-
-               # simplified title
-               simple_title = simplify_title(video_title)
 
                # thumbnail image
                if 'thumbnail_url' not in video_info:
@@ -357,33 +383,35 @@ class YoutubeIE(InfoExtractor):
                # closed captions
                video_subtitles = None
                if self._downloader.params.get('writesubtitles', False):
-                       self.report_video_subtitles_download(video_id)
-                       request = urllib2.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
                        try:
-                               srt_list = urllib2.urlopen(request).read()
-                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                               self._downloader.trouble(u'WARNING: unable to download video subtitles: %s' % str(err))
-                       else:
-                               srt_lang_list = re.findall(r'lang_code="([\w\-]+)"', srt_list)
-                               if srt_lang_list:
-                                       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 = srt_lang_list[0]
-                                       if not srt_lang in srt_lang_list:
-                                               self._downloader.trouble(u'WARNING: no closed captions found in the specified language')
-                                       else:
-                                               request = urllib2.Request('http://video.google.com/timedtext?hl=en&lang=%s&v=%s' % (srt_lang, video_id))
-                                               try:
-                                                       srt_xml = urllib2.urlopen(request).read()
-                                               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                                                       self._downloader.trouble(u'WARNING: unable to download video subtitles: %s' % str(err))
-                                               else:
-                                                       video_subtitles = self._closed_captions_xml_to_srt(srt_xml.decode('utf-8'))
+                               self.report_video_subtitles_download(video_id)
+                               request = urllib2.Request('http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id)
+                               try:
+                                       srt_list = urllib2.urlopen(request).read()
+                               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                                       raise Trouble(u'WARNING: unable to download video subtitles: %s' % str(err))
+                               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:
+                                       raise Trouble(u'WARNING: video has no closed captions')
+                               if self._downloader.params.get('subtitleslang', False):
+                                       srt_lang = self._downloader.params.get('subtitleslang')
+                               elif 'en' in srt_lang_list:
+                                       srt_lang = 'en'
                                else:
-                                       self._downloader.trouble(u'WARNING: video has no closed captions')
+                                       srt_lang = srt_lang_list.keys()[0]
+                               if not srt_lang in srt_lang_list:
+                                       raise Trouble(u'WARNING: no closed captions found in the specified language')
+                               request = urllib2.Request('http://www.youtube.com/api/timedtext?lang=%s&name=%s&v=%s' % (srt_lang, srt_lang_list[srt_lang], video_id))
+                               try:
+                                       srt_xml = urllib2.urlopen(request).read()
+                               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                                       raise Trouble(u'WARNING: unable to download video subtitles: %s' % str(err))
+                               if not srt_xml:
+                                       raise Trouble(u'WARNING: unable to download video subtitles')
+                               video_subtitles = self._closed_captions_xml_to_srt(srt_xml.decode('utf-8'))
+                       except Trouble as trouble:
+                               self._downloader.trouble(trouble[0])
 
                # token
                video_token = urllib.unquote_plus(video_info['token'][0])
@@ -398,7 +426,7 @@ class YoutubeIE(InfoExtractor):
                        url_data_strs = video_info['url_encoded_fmt_stream_map'][0].split(',')
                        url_data = [parse_qs(uds) for uds in url_data_strs]
                        url_data = filter(lambda ud: 'itag' in ud and 'url' in ud, url_data)
-                       url_map = dict((ud['itag'][0], ud['url'][0]) for ud in url_data)
+                       url_map = dict((ud['itag'][0], ud['url'][0] + '&signature=' + ud['sig'][0]) for ud in url_data)
 
                        format_limit = self._downloader.params.get('format_limit', None)
                        available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
@@ -446,7 +474,6 @@ class YoutubeIE(InfoExtractor):
                                'uploader':     video_uploader.decode('utf-8'),
                                'upload_date':  upload_date,
                                'title':        video_title,
-                               'stitle':       simple_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'),
@@ -522,8 +549,6 @@ class MetacafeIE(InfoExtractor):
                        self._downloader.download(['http://www.youtube.com/watch?v=%s' % mobj2.group(1)])
                        return
 
-               simple_title = mobj.group(2).decode('utf-8')
-
                # Retrieve video webpage to extract further information
                request = urllib2.Request('http://www.metacafe.com/watch/%s/' % video_id)
                try:
@@ -569,7 +594,6 @@ class MetacafeIE(InfoExtractor):
                        self._downloader.trouble(u'ERROR: unable to extract title')
                        return
                video_title = mobj.group(1).decode('utf-8')
-               video_title = sanitize_title(video_title)
 
                mobj = re.search(r'(?ms)By:\s*<a .*?>(.+?)<', webpage)
                if mobj is None:
@@ -583,7 +607,6 @@ class MetacafeIE(InfoExtractor):
                        'uploader':     video_uploader.decode('utf-8'),
                        'upload_date':  u'NA',
                        'title':        video_title,
-                       'stitle':       simple_title,
                        'ext':          video_extension.decode('utf-8'),
                        'format':       u'NA',
                        'player_url':   None,
@@ -616,7 +639,7 @@ class DailymotionIE(InfoExtractor):
 
                video_id = mobj.group(1)
 
-               video_extension = 'flv'
+               video_extension = 'mp4'
 
                # Retrieve video webpage to extract further information
                request = urllib2.Request(url)
@@ -630,28 +653,27 @@ class DailymotionIE(InfoExtractor):
 
                # Extract URL, uploader and title from webpage
                self.report_extraction(video_id)
-               mobj = re.search(r'(?i)addVariable\(\"sequence\"\s*,\s*\"([^\"]+?)\"\)', webpage)
+               mobj = re.search(r'\s*var flashvars = (.*)', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract media URL')
                        return
-               sequence = urllib.unquote(mobj.group(1))
-               mobj = re.search(r',\"sdURL\"\:\"([^\"]+?)\",', sequence)
+               flashvars = urllib.unquote(mobj.group(1))
+               if 'hqURL' in flashvars: max_quality = 'hqURL'
+               elif 'sdURL' in flashvars: max_quality = 'sdURL'
+               else: max_quality = 'ldURL'
+               mobj = re.search(r'"' + max_quality + r'":"(.+?)"', flashvars)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract media URL')
                        return
-               mediaURL = urllib.unquote(mobj.group(1)).replace('\\', '')
-
-               # if needed add http://www.dailymotion.com/ if relative URL
+               video_url = mobj.group(1).replace('\\/', '/')
 
-               video_url = mediaURL
+               # TODO: support choosing qualities
 
                mobj = re.search(r'<meta property="og:title" content="(?P<title>[^"]*)" />', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract title')
                        return
                video_title = unescapeHTML(mobj.group('title').decode('utf-8'))
-               video_title = sanitize_title(video_title)
-               simple_title = simplify_title(video_title)
 
                mobj = re.search(r'(?im)<span class="owner[^\"]+?">[^<]+?<a [^>]+?>([^<]+?)</a></span>', webpage)
                if mobj is None:
@@ -665,7 +687,6 @@ class DailymotionIE(InfoExtractor):
                        'uploader':     video_uploader.decode('utf-8'),
                        'upload_date':  u'NA',
                        'title':        video_title,
-                       'stitle':       simple_title,
                        'ext':          video_extension.decode('utf-8'),
                        'format':       u'NA',
                        'player_url':   None,
@@ -729,8 +750,6 @@ class GoogleIE(InfoExtractor):
                        self._downloader.trouble(u'ERROR: unable to extract title')
                        return
                video_title = mobj.group(1).decode('utf-8')
-               video_title = sanitize_title(video_title)
-               simple_title = simplify_title(video_title)
 
                # Extract video description
                mobj = re.search(r'<span id=short-desc-content>([^<]*)</span>', webpage)
@@ -763,7 +782,6 @@ class GoogleIE(InfoExtractor):
                        'uploader':     u'NA',
                        'upload_date':  u'NA',
                        'title':        video_title,
-                       'stitle':       simple_title,
                        'ext':          video_extension.decode('utf-8'),
                        'format':       u'NA',
                        'player_url':   None,
@@ -822,8 +840,6 @@ class PhotobucketIE(InfoExtractor):
                        self._downloader.trouble(u'ERROR: unable to extract title')
                        return
                video_title = mobj.group(1).decode('utf-8')
-               video_title = sanitize_title(video_title)
-               simple_title = simplify_title(video_title)
 
                video_uploader = mobj.group(2).decode('utf-8')
 
@@ -833,7 +849,6 @@ class PhotobucketIE(InfoExtractor):
                        'uploader':     video_uploader,
                        'upload_date':  u'NA',
                        'title':        video_title,
-                       'stitle':       simple_title,
                        'ext':          video_extension.decode('utf-8'),
                        'format':       u'NA',
                        'player_url':   None,
@@ -911,7 +926,6 @@ class YahooIE(InfoExtractor):
                        self._downloader.trouble(u'ERROR: unable to extract video title')
                        return
                video_title = mobj.group(1).decode('utf-8')
-               simple_title = simplify_title(video_title)
 
                mobj = re.search(r'<h2 class="ti-5"><a href="http://video\.yahoo\.com/(people|profile)/[0-9]+" beacon=".*">(.*)</a></h2>', webpage)
                if mobj is None:
@@ -977,7 +991,6 @@ class YahooIE(InfoExtractor):
                        'uploader':     video_uploader,
                        'upload_date':  u'NA',
                        'title':        video_title,
-                       'stitle':       simple_title,
                        'ext':          video_extension.decode('utf-8'),
                        'thumbnail':    video_thumbnail.decode('utf-8'),
                        'description':  video_description,
@@ -1037,7 +1050,6 @@ class VimeoIE(InfoExtractor):
                
                # Extract title
                video_title = config["video"]["title"]
-               simple_title = simplify_title(video_title)
 
                # Extract uploader
                video_uploader = config["video"]["owner"]["name"]
@@ -1083,7 +1095,6 @@ class VimeoIE(InfoExtractor):
                        'uploader':     video_uploader,
                        'upload_date':  video_upload_date,
                        'title':        video_title,
-                       'stitle':       simple_title,
                        'ext':          video_extension,
                        'thumbnail':    video_thumbnail,
                        'description':  video_description,
@@ -1218,8 +1229,6 @@ class GenericIE(InfoExtractor):
                        self._downloader.trouble(u'ERROR: unable to extract title')
                        return
                video_title = mobj.group(1).decode('utf-8')
-               video_title = sanitize_title(video_title)
-               simple_title = simplify_title(video_title)
 
                # video uploader is domain name
                mobj = re.match(r'(?:https?://)?([^/]*)/.*', url)
@@ -1234,7 +1243,6 @@ class GenericIE(InfoExtractor):
                        'uploader':     video_uploader,
                        'upload_date':  u'NA',
                        'title':        video_title,
-                       'stitle':       simple_title,
                        'ext':          video_extension.decode('utf-8'),
                        'format':       u'NA',
                        'player_url':   None,
@@ -1252,7 +1260,7 @@ class YoutubeSearchIE(InfoExtractor):
                InfoExtractor.__init__(self, downloader)
 
        def report_download_page(self, query, pagenum):
-               """Report attempt to download playlist page with given number."""
+               """Report attempt to download search page with given number."""
                query = query.decode(preferredencoding())
                self._downloader.to_screen(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
 
@@ -1488,8 +1496,8 @@ class YoutubePlaylistIE(InfoExtractor):
 
        _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)?([0-9A-Za-z-_]+)(?:/.*?/([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;list=PL%s&'
-       _MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
+       _VIDEO_INDICATOR_TEMPLATE = r'/watch\?v=(.+?)&amp;list=.*?%s'
+       _MORE_PAGES_INDICATOR = r'yt-uix-pager-next'
        IE_NAME = u'youtube:playlist'
 
        def __init__(self, downloader=None):
@@ -1639,6 +1647,98 @@ class YoutubeUserIE(InfoExtractor):
                        self._downloader.download(['http://www.youtube.com/watch?v=%s' % video_id])
 
 
+class BlipTVUserIE(InfoExtractor):
+       """Information Extractor for blip.tv users."""
+
+       _VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?blip\.tv/)|bliptvuser:)([^/]+)/*$'
+       _PAGE_SIZE = 12
+       IE_NAME = u'blip.tv:user'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       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))
+
+       def _real_extract(self, url):
+               # Extract username
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid url: %s' % url)
+                       return
+
+               username = mobj.group(1)
+
+               page_base = 'http://m.blip.tv/pr/show_get_full_episode_list?users_id=%s&lite=0&esi=1'
+
+               request = urllib2.Request(url)
+
+               try:
+                       page = urllib2.urlopen(request).read().decode('utf-8')
+                       mobj = re.search(r'data-users-id="([^"]+)"', page)
+                       page_base = page_base % mobj.group(1)
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                       return
+
+
+               # Download video ids using BlipTV Ajax calls. Result size per
+               # query is limited (currently to 12 videos) so we need to query
+               # page by page until there are no video ids - it means we got
+               # all of them.
+
+               video_ids = []
+               pagenum = 1
+
+               while True:
+                       self.report_download_page(username, pagenum)
+
+                       request = urllib2.Request( page_base + "&page=" + str(pagenum) )
+
+                       try:
+                               page = urllib2.urlopen(request).read().decode('utf-8')
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               return
+
+                       # Extract video identifiers
+                       ids_in_page = []
+
+                       for mobj in re.finditer(r'href="/([^"]+)"', page):
+                               if mobj.group(1) not in ids_in_page:
+                                       ids_in_page.append(unescapeHTML(mobj.group(1)))
+
+                       video_ids.extend(ids_in_page)
+
+                       # A little optimization - if current page is not
+                       # "full", ie. does not contain PAGE_SIZE video ids then
+                       # we can assume that this page is the last one - there
+                       # are no more ids on further pages - no need to query
+                       # again.
+
+                       if len(ids_in_page) < self._PAGE_SIZE:
+                               break
+
+                       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])
+
+
 class DepositFilesIE(InfoExtractor):
        """Information extractor for depositfiles.com"""
 
@@ -1699,7 +1799,6 @@ class DepositFilesIE(InfoExtractor):
                        'uploader':     u'NA',
                        'upload_date':  u'NA',
                        'title':        file_title,
-                       'stitle':       file_title,
                        'ext':          file_extension.decode('utf-8'),
                        'format':       u'NA',
                        'player_url':   None,
@@ -1844,9 +1943,6 @@ class FacebookIE(InfoExtractor):
                        return
                video_title = video_info['title']
                video_title = video_title.decode('utf-8')
-               video_title = sanitize_title(video_title)
-
-               simple_title = simplify_title(video_title)
 
                # thumbnail image
                if 'thumbnail' not in video_info:
@@ -1907,7 +2003,6 @@ class FacebookIE(InfoExtractor):
                                'uploader':     video_uploader.decode('utf-8'),
                                'upload_date':  upload_date,
                                'title':        video_title,
-                               'stitle':       simple_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'),
@@ -1942,7 +2037,7 @@ class BlipTVIE(InfoExtractor):
                else:
                        cchar = '?'
                json_url = url + cchar + 'skin=json&version=2&no_wrap=1'
-               request = urllib2.Request(json_url)
+               request = urllib2.Request(json_url.encode('utf-8'))
                self.report_extraction(mobj.group(1))
                info = None
                try:
@@ -1957,7 +2052,6 @@ class BlipTVIE(InfoExtractor):
                                        'id': title,
                                        'url': url,
                                        'title': title,
-                                       'stitle': simplify_title(title),
                                        'ext': ext,
                                        'urlhandle': urlh
                                }
@@ -1977,21 +2071,20 @@ class BlipTVIE(InfoExtractor):
                                        data = json_data['Post']
                                else:
                                        data = json_data
-       
+
                                upload_date = datetime.datetime.strptime(data['datestamp'], '%m-%d-%y %H:%M%p').strftime('%Y%m%d')
                                video_url = data['media']['url']
                                umobj = re.match(self._URL_EXT, video_url)
                                if umobj is None:
                                        raise ValueError('Can not determine filename extension')
                                ext = umobj.group(1)
-       
+
                                info = {
                                        'id': data['item_id'],
                                        'url': video_url,
                                        'uploader': data['display_name'],
                                        'upload_date': upload_date,
                                        'title': data['title'],
-                                       'stitle': simplify_title(data['title']),
                                        'ext': ext,
                                        'format': data['media']['mimeType'],
                                        'thumbnail': data['thumbnailUrl'],
@@ -2002,6 +2095,7 @@ class BlipTVIE(InfoExtractor):
                                self._downloader.trouble(u'ERROR: unable to parse video information: %s' % repr(err))
                                return
 
+               std_headers['User-Agent'] = 'iTunes/10.6.1'
                return [info]
 
 
@@ -2053,9 +2147,6 @@ class MyVideoIE(InfoExtractor):
                        return
 
                video_title = mobj.group(1)
-               video_title = sanitize_title(video_title)
-
-               simple_title = simplify_title(video_title)
 
                return [{
                        'id':           video_id,
@@ -2063,7 +2154,6 @@ class MyVideoIE(InfoExtractor):
                        'uploader':     u'NA',
                        'upload_date':  u'NA',
                        'title':        video_title,
-                       'stitle':       simple_title,
                        'ext':          u'flv',
                        'format':       u'NA',
                        'player_url':   None,
@@ -2077,7 +2167,7 @@ class ComedyCentralIE(InfoExtractor):
 
        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)
 
@@ -2190,7 +2280,6 @@ class ComedyCentralIE(InfoExtractor):
                                'uploader': showId,
                                'upload_date': officialDate,
                                'title': effTitle,
-                               'stitle': simplify_title(effTitle),
                                'ext': 'mp4',
                                'format': format,
                                'thumbnail': None,
@@ -2225,7 +2314,10 @@ class EscapistIE(InfoExtractor):
 
                self.report_extraction(showName)
                try:
-                       webPage = urllib2.urlopen(url).read()
+                       webPage = urllib2.urlopen(url)
+                       webPageBytes = webPage.read()
+                       m = re.match(r'text/html; charset="?([^"]+)"?', webPage.headers['Content-Type'])
+                       webPage = webPageBytes.decode(m.group(1) if m else 'utf-8')
                except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                        self._downloader.trouble(u'ERROR: unable to download webpage: ' + unicode(err))
                        return
@@ -2264,7 +2356,6 @@ class EscapistIE(InfoExtractor):
                        'uploader': showName,
                        'upload_date': None,
                        'title': showName,
-                       'stitle': simplify_title(showName),
                        'ext': 'flv',
                        'format': 'flv',
                        'thumbnail': imgUrl,
@@ -2328,7 +2419,6 @@ class CollegeHumorIE(InfoExtractor):
                        videoNode = mdoc.findall('./video')[0]
                        info['description'] = videoNode.findall('./description')[0].text
                        info['title'] = videoNode.findall('./caption')[0].text
-                       info['stitle'] = simplify_title(info['title'])
                        info['url'] = videoNode.findall('./file')[0].text
                        info['thumbnail'] = videoNode.findall('./thumbnail')[0].text
                        info['ext'] = info['url'].rpartition('.')[2]
@@ -2390,11 +2480,11 @@ class XVideosIE(InfoExtractor):
 
 
                # Extract video thumbnail
-               mobj = re.search(r'http://(?:img.*?\.)xvideos.com/videos/thumbs/[a-fA-F0-9]/[a-fA-F0-9]/[a-fA-F0-9]/([a-fA-F0-9.]+jpg)', webpage)
+               mobj = re.search(r'http://(?:img.*?\.)xvideos.com/videos/thumbs/[a-fA-F0-9]+/[a-fA-F0-9]+/[a-fA-F0-9]+/[a-fA-F0-9]+/([a-fA-F0-9.]+jpg)', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
                        return
-               video_thumbnail = mobj.group(1).decode('utf-8')
+               video_thumbnail = mobj.group(0).decode('utf-8')
 
                info = {
                        'id': video_id,
@@ -2402,7 +2492,6 @@ class XVideosIE(InfoExtractor):
                        'uploader': None,
                        'upload_date': None,
                        'title': video_title,
-                       'stitle': simplify_title(video_title),
                        'ext': 'flv',
                        'format': 'flv',
                        'thumbnail': video_thumbnail,
@@ -2446,7 +2535,7 @@ class SoundcloudIE(InfoExtractor):
                uploader = mobj.group(1).decode('utf-8')
                # extract simple title (uploader + slug of song title)
                slug_title =  mobj.group(2).decode('utf-8')
-               simple_title = uploader + '-' + slug_title
+               simple_title = uploader + u'-' + slug_title
 
                self.report_webpage('%s/%s' % (uploader, slug_title))
 
@@ -2468,7 +2557,9 @@ class SoundcloudIE(InfoExtractor):
                # extract unsimplified title
                mobj = re.search('"title":"(.*?)",', webpage)
                if mobj:
-                       title = mobj.group(1)
+                       title = mobj.group(1).decode('utf-8')
+               else:
+                       title = simple_title
 
                # construct media url (with uid/token)
                mediaURL = "http://media.soundcloud.com/stream/%s?stream_token=%s"
@@ -2487,7 +2578,7 @@ class SoundcloudIE(InfoExtractor):
                        try:
                                upload_date = datetime.datetime.strptime(mobj.group(1), '%B %d, %Y %H:%M').strftime('%Y%m%d')
                        except Exception, e:
-                               print str(e)
+                               self._downloader.to_stderr(str(e))
 
                # for soundcloud, a request to a cross domain is required for cookies
                request = urllib2.Request('http://media.soundcloud.com/crossdomain.xml', std_headers)
@@ -2497,8 +2588,7 @@ class SoundcloudIE(InfoExtractor):
                        'url':          mediaURL,
                        'uploader':     uploader.decode('utf-8'),
                        'upload_date':  upload_date,
-                       'title':        simple_title.decode('utf-8'),
-                       'stitle':       simple_title.decode('utf-8'),
+                       'title':        title,
                        'ext':          u'mp3',
                        'format':       u'NA',
                        'player_url':   None,
@@ -2568,7 +2658,6 @@ class InfoQIE(InfoExtractor):
                        'uploader': None,
                        'upload_date': None,
                        'title': video_title,
-                       'stitle': simplify_title(video_title),
                        'ext': extension,
                        'format': extension, # Extension is always(?) mp4, but seems to be flv
                        'thumbnail': None,
@@ -2605,7 +2694,6 @@ class MixcloudIE(InfoExtractor):
                        url_list = jsonData[fmt][bitrate]
                except TypeError: # we have no bitrate info.
                        url_list = jsonData[fmt]
-                               
                return url_list
 
        def check_urls(self, url_list):
@@ -2685,7 +2773,6 @@ class MixcloudIE(InfoExtractor):
                        'uploader':     uploader.decode('utf-8'),
                        'upload_date': u'NA',
                        'title': json_data['name'],
-                       'stitle': simplify_title(json_data['name']),
                        'ext': file_url.split('.')[-1].decode('utf-8'),
                        'format': (format_param is None and u'NA' or format_param.decode('utf-8')),
                        'thumbnail': json_data['thumbnail_url'],
@@ -2717,9 +2804,9 @@ class StanfordOpenClassroomIE(InfoExtractor):
                        course = mobj.group('course')
                        video = mobj.group('video')
                        info = {
-                               'id': simplify_title(course + '_' + video),
+                               'id': course + '_' + video,
                        }
-       
+
                        self.report_extraction(info['id'])
                        baseUrl = 'http://openclassroom.stanford.edu/MainFolder/courses/' + course + '/videos/'
                        xmlUrl = baseUrl + video + '.xml'
@@ -2735,14 +2822,13 @@ class StanfordOpenClassroomIE(InfoExtractor):
                        except IndexError:
                                self._downloader.trouble(u'\nERROR: Invalid metadata XML file')
                                return
-                       info['stitle'] = simplify_title(info['title'])
                        info['ext'] = info['url'].rpartition('.')[2]
                        info['format'] = info['ext']
                        return [info]
                elif mobj.group('course'): # A course page
                        course = mobj.group('course')
                        info = {
-                               'id': simplify_title(course),
+                               'id': course,
                                'type': 'playlist',
                        }
 
@@ -2758,7 +2844,6 @@ class StanfordOpenClassroomIE(InfoExtractor):
                                info['title'] = unescapeHTML(m.group(1))
                        else:
                                info['title'] = info['id']
-                       info['stitle'] = simplify_title(info['title'])
 
                        m = re.search('<description>([^<]+)</description>', coursepage)
                        if m:
@@ -2792,7 +2877,6 @@ class StanfordOpenClassroomIE(InfoExtractor):
                                return
 
                        info['title'] = info['id']
-                       info['stitle'] = simplify_title(info['title'])
 
                        links = orderedSet(re.findall('<a href="(CoursePage.php\?[^"]+)">', rootpage))
                        info['list'] = [
@@ -2891,9 +2975,195 @@ class MTVIE(InfoExtractor):
                        'url': video_url,
                        'uploader': performer,
                        'title': video_title,
-                       'stitle': simplify_title(video_title),
                        'ext': ext,
                        'format': format,
                }
 
                return [info]
+
+
+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)
+
+       def report_extraction(self, file_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[Youku] %s: Extracting information' % file_id)
+
+       def _gen_sid(self):
+               nowTime = int(time.time() * 1000)
+               random1 = random.randint(1000,1998)
+               random2 = random.randint(1000,9999)
+
+               return "%d%d%d" %(nowTime,random1,random2)
+
+       def _get_file_ID_mix_string(self, seed):
+               mixed = []
+               source = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890")
+               seed = float(seed)
+               for i in range(len(source)):
+                       seed  =  (seed * 211 + 30031 ) % 65536
+                       index  =  math.floor(seed / 65536 * len(source) )
+                       mixed.append(source[int(index)])
+                       source.remove(source[int(index)])
+               #return ''.join(mixed)
+               return mixed
+
+       def _get_file_id(self, fileId, seed):
+               mixed = self._get_file_ID_mix_string(seed)
+               ids = fileId.split('*')
+               realId = []
+               for ch in ids:
+                       if ch:
+                               realId.append(mixed[int(ch)])
+               return ''.join(realId)
+
+       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('ID')
+
+               info_url = 'http://v.youku.com/player/getPlayList/VideoIDS/' + video_id
+
+               request = urllib2.Request(info_url, None, std_headers)
+               try:
+                       self.report_download_webpage(video_id)
+                       jsondata = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error) as err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+                       return
+
+               self.report_extraction(video_id)
+               try:
+                       config = json.loads(jsondata)
+
+                       video_title =  config['data'][0]['title']
+                       seed = config['data'][0]['seed']
+
+                       format = self._downloader.params.get('format', None)
+                       supported_format = config['data'][0]['streamfileids'].keys()
+
+                       if format is None or format == 'best':
+                               if 'hd2' in supported_format:
+                                       format = 'hd2'
+                               else:
+                                       format = 'flv'
+                               ext = u'flv'
+                       elif format == 'worst':
+                               format = 'mp4'
+                               ext = u'mp4'
+                       else:
+                               format = 'flv'
+                               ext = u'flv'
+
+
+                       fileid = config['data'][0]['streamfileids'][format]
+                       seg_number = len(config['data'][0]['segs'][format])
+
+                       keys=[]
+                       for i in xrange(seg_number):
+                               keys.append(config['data'][0]['segs'][format][i]['k'])
+
+                       #TODO check error
+                       #youku only could be viewed from mainland china
+               except:
+                       self._downloader.trouble(u'ERROR: unable to extract info section')
+                       return
+
+               files_info=[]
+               sid = self._gen_sid()
+               fileid = self._get_file_id(fileid, seed)
+
+               #column 8,9 of fileid represent the segment number
+               #fileid[7:9] should be changed
+               for index, key in enumerate(keys):
+
+                       temp_fileid = '%s%02X%s' % (fileid[0:8], index, fileid[10:])
+                       download_url = 'http://f.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key)
+
+                       info = {
+                               'id': '%s_part%02d' % (video_id, index),
+                               'url': download_url,
+                               'uploader': None,
+                               'title': video_title,
+                               'ext': ext,
+                               'format': u'NA'
+                       }
+                       files_info.append(info)
+
+               return files_info
+
+
+class XNXXIE(InfoExtractor):
+       """Information extractor for xnxx.com"""
+
+       _VALID_URL = r'^http://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'
+       VIDEO_THUMB_RE = r'url_bigthumb=(.*?)&amp;'
+
+       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))
+
+       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(1).decode('utf-8')
+
+               self.report_webpage(video_id)
+
+               # Get webpage content
+               try:
+                       webpage = urllib2.urlopen(url).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % err)
+                       return
+
+               result = re.search(self.VIDEO_URL_RE, webpage)
+               if result is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video url')
+                       return
+               video_url = urllib.unquote(result.group(1).decode('utf-8'))
+
+               result = re.search(self.VIDEO_TITLE_RE, webpage)
+               if result is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = result.group(1).decode('utf-8')
+
+               result = re.search(self.VIDEO_THUMB_RE, webpage)
+               if result is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
+                       return
+               video_thumbnail = result.group(1).decode('utf-8')
+
+               info = {'id': video_id,
+                               'url': video_url,
+                               'uploader': None,
+                               'upload_date': None,
+                               'title': video_title,
+                               'ext': 'flv',
+                               'format': 'flv',
+                               'thumbnail': video_thumbnail,
+                               'description': None,
+                               'player_url': None}
+
+               return [info]