Add format #46 - WebM 1920x1080.
[youtube-dl.git] / youtube-dl
index f8e9095..c1274eb 100755 (executable)
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-__author__  = (
+__authors__  = (
        'Ricardo Garcia Gonzalez',
        'Danny Colligan',
        'Benjamin Johnson',
@@ -12,15 +12,20 @@ __author__  = (
        'Rogério Brito',
        'Philipp Hagemeister',
        'Sören Schulze',
+       'Kevin Ngo',
+       'Ori Avtalion',
+       'shizeeg',
        )
 
 __license__ = 'Public Domain'
-__version__ = '2011.09.30'
+__version__ = '2012.02.27'
 
 UPDATE_URL = 'https://raw.github.com/rg3/youtube-dl/master/youtube-dl'
 
+
 import cookielib
 import datetime
+import getpass
 import gzip
 import htmlentitydefs
 import HTMLParser
@@ -28,9 +33,11 @@ import httplib
 import locale
 import math
 import netrc
+import optparse
 import os
 import os.path
 import re
+import shlex
 import socket
 import string
 import subprocess
@@ -77,8 +84,6 @@ std_headers = {
        'Accept-Language': 'en-us,en;q=0.5',
 }
 
-simple_title_chars = string.ascii_letters.decode('ascii') + string.digits.decode('ascii')
-
 try:
        import json
 except ImportError: # Python <2.6, use trivialjson (https://github.com/phihag/trivialjson):
@@ -258,14 +263,14 @@ def sanitize_open(filename, open_mode):
                                import msvcrt
                                msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
                        return (sys.stdout, filename)
-               stream = open(filename, open_mode)
+               stream = open(_encodeFilename(filename), open_mode)
                return (stream, filename)
        except (IOError, OSError), err:
                # In case of error, try to remove win32 forbidden chars
                filename = re.sub(ur'[/<>:"\|\?\*]', u'#', filename)
 
                # An exception here should be caught in the caller
-               stream = open(filename, open_mode)
+               stream = open(_encodeFilename(filename), open_mode)
                return (stream, filename)
 
 
@@ -277,6 +282,41 @@ def timeconvert(timestr):
                timestamp = email.utils.mktime_tz(timetuple)
        return timestamp
 
+def _simplify_title(title):
+       expr = re.compile(ur'[^\w\d_\-]+', flags=re.UNICODE)
+       return expr.sub(u'_', title).strip(u'_')
+
+def _orderedSet(iterable):
+       """ Remove all duplicates from the input iterable """
+       res = []
+       for el in iterable:
+               if el not in res:
+                       res.append(el)
+       return res
+
+def _unescapeHTML(s):
+       """
+       @param s a string (of type unicode)
+       """
+       assert type(s) == type(u'')
+
+       htmlParser = HTMLParser.HTMLParser()
+       return htmlParser.unescape(s)
+
+def _encodeFilename(s):
+       """
+       @param s The name of the file (of type unicode)
+       """
+
+       assert type(s) == type(u'')
+
+       if sys.platform == 'win32' and sys.getwindowsversion().major >= 5:
+               # Pass u'' directly to use Unicode APIs on Windows 2000 and up
+               # (Detecting Windows NT 4 is tricky because 'major >= 4' would
+               # match Windows 9x series as well. Besides, NT 4 is obsolete.)
+               return s
+       else:
+               return s.encode(sys.getfilesystemencoding(), 'ignore')
 
 class DownloadError(Exception):
        """Download Error exception.
@@ -305,6 +345,10 @@ class PostProcessingError(Exception):
        """
        pass
 
+class MaxDownloadsReached(Exception):
+       """ --max-downloads limit has been reached. """
+       pass
+
 
 class UnavailableVideoError(Exception):
        """Unavailable Format exception.
@@ -446,6 +490,8 @@ class FileDownloader(object):
        updatetime:       Use the Last-modified header to set output file timestamps.
        writedescription: Write the video description to a .description file
        writeinfojson:    Write the video description to a .info.json file
+       writesubtitles:   Write the video subtitles to a .srt file
+       subtitleslang:    Language of the subtitles to download
        """
 
        params = None
@@ -538,16 +584,17 @@ class FileDownloader(object):
                self._pps.append(pp)
                pp.set_downloader(self)
 
-       def to_screen(self, message, skip_eol=False, ignore_encoding_errors=False):
+       def to_screen(self, message, skip_eol=False):
                """Print message to stdout if not in quiet mode."""
-               try:
-                       if not self.params.get('quiet', False):
-                               terminator = [u'\n', u''][skip_eol]
-                               print >>self._screen_file, (u'%s%s' % (message, terminator)).encode(preferredencoding()),
+               assert type(message) == type(u'')
+               if not self.params.get('quiet', False):
+                       terminator = [u'\n', u''][skip_eol]
+                       output = message + terminator
+
+                       if 'b' not in self._screen_file.mode or sys.version_info[0] < 3: # Python 2 lies about the mode of sys.stdout/sys.stderr
+                               output = output.encode(preferredencoding(), 'ignore')
+                       self._screen_file.write(output)
                        self._screen_file.flush()
-               except (UnicodeEncodeError), err:
-                       if not ignore_encoding_errors:
-                               raise
 
        def to_stderr(self, message):
                """Print message to stderr."""
@@ -597,7 +644,7 @@ class FileDownloader(object):
        def temp_name(self, filename):
                """Returns a temporary filename for the given filename."""
                if self.params.get('nopart', False) or filename == u'-' or \
-                               (os.path.exists(filename) and not os.path.isfile(filename)):
+                               (os.path.exists(_encodeFilename(filename)) and not os.path.isfile(_encodeFilename(filename))):
                        return filename
                return filename + u'.part'
 
@@ -610,7 +657,7 @@ class FileDownloader(object):
                try:
                        if old_filename == new_filename:
                                return
-                       os.rename(old_filename, new_filename)
+                       os.rename(_encodeFilename(old_filename), _encodeFilename(new_filename))
                except (IOError, OSError), err:
                        self.trouble(u'ERROR: unable to rename file')
 
@@ -618,7 +665,7 @@ class FileDownloader(object):
                """Try to set the last-modified time of the given file."""
                if last_modified_hdr is None:
                        return
-               if not os.path.isfile(filename):
+               if not os.path.isfile(_encodeFilename(filename)):
                        return
                timestr = last_modified_hdr
                if timestr is None:
@@ -634,15 +681,19 @@ class FileDownloader(object):
 
        def report_writedescription(self, descfn):
                """ Report that the description file is being written """
-               self.to_screen(u'[info] Writing video description to: %s' % descfn, ignore_encoding_errors=True)
+               self.to_screen(u'[info] Writing video description to: ' + descfn)
+
+       def report_writesubtitles(self, srtfn):
+               """ Report that the subtitles file is being written """
+               self.to_screen(u'[info] Writing video subtitles to: ' + srtfn)
 
        def report_writeinfojson(self, infofn):
                """ Report that the metadata file has been written """
-               self.to_screen(u'[info] Video description metadata as JSON to: %s' % infofn, ignore_encoding_errors=True)
+               self.to_screen(u'[info] Video description metadata as JSON to: ' + infofn)
 
        def report_destination(self, filename):
                """Report destination filename."""
-               self.to_screen(u'[download] Destination: %s' % filename, ignore_encoding_errors=True)
+               self.to_screen(u'[download] Destination: ' + filename)
 
        def report_progress(self, percent_str, data_len_str, speed_str, eta_str):
                """Report download progress."""
@@ -695,8 +746,31 @@ class FileDownloader(object):
                        self.trouble(u'ERROR: invalid system charset or erroneous output template')
                        return None
 
+       def _match_entry(self, info_dict):
+               """ Returns None iff the file should be downloaded """
+
+               title = info_dict['title']
+               matchtitle = self.params.get('matchtitle', False)
+               if matchtitle and not re.search(matchtitle, title, re.IGNORECASE):
+                       return u'[download] "' + title + '" title did not match pattern "' + matchtitle + '"'
+               rejecttitle = self.params.get('rejecttitle', False)
+               if rejecttitle and re.search(rejecttitle, title, re.IGNORECASE):
+                       return u'"' + title + '" title matched reject pattern "' + rejecttitle + '"'
+               return None
+
        def process_info(self, info_dict):
                """Process a single dictionary returned by an InfoExtractor."""
+
+               reason = self._match_entry(info_dict)
+               if reason is not None:
+                       self.to_screen(u'[download] ' + reason)
+                       return
+
+               max_downloads = self.params.get('max_downloads')
+               if max_downloads is not None:
+                       if self._num_downloads > int(max_downloads):
+                               raise MaxDownloadsReached()
+
                filename = self.prepare_filename(info_dict)
                
                # Forced printings
@@ -720,23 +794,9 @@ class FileDownloader(object):
                if filename is None:
                        return
 
-               matchtitle=self.params.get('matchtitle',False)
-               rejecttitle=self.params.get('rejecttitle',False)
-               title=info_dict['title'].encode(preferredencoding(), 'xmlcharrefreplace')
-               if matchtitle and not re.search(matchtitle, title, re.IGNORECASE):
-                       self.to_screen(u'[download] "%s" title did not match pattern "%s"' % (title, matchtitle))
-                       return
-               if rejecttitle and re.search(rejecttitle, title, re.IGNORECASE):
-                       self.to_screen(u'[download] "%s" title matched reject pattern "%s"' % (title, rejecttitle))
-                       return
-                       
-               if self.params.get('nooverwrites', False) and os.path.exists(filename):
-                       self.to_stderr(u'WARNING: file exists and will be skipped')
-                       return
-
                try:
-                       dn = os.path.dirname(filename)
-                       if dn != '' and not os.path.exists(dn):
+                       dn = os.path.dirname(_encodeFilename(filename))
+                       if dn != '' and not os.path.exists(dn): # dn is already encoded
                                os.makedirs(dn)
                except (OSError, IOError), err:
                        self.trouble(u'ERROR: unable to create directory ' + unicode(err))
@@ -744,9 +804,9 @@ class FileDownloader(object):
 
                if self.params.get('writedescription', False):
                        try:
-                               descfn = filename + '.description'
+                               descfn = filename + u'.description'
                                self.report_writedescription(descfn)
-                               descfile = open(descfn, 'wb')
+                               descfile = open(_encodeFilename(descfn), 'wb')
                                try:
                                        descfile.write(info_dict['description'].encode('utf-8'))
                                finally:
@@ -754,9 +814,24 @@ class FileDownloader(object):
                        except (OSError, IOError):
                                self.trouble(u'ERROR: Cannot write description file ' + descfn)
                                return
+                               
+               if self.params.get('writesubtitles', False) and 'subtitles' in info_dict and info_dict['subtitles']:
+                       # subtitles download errors are already managed as troubles in relevant IE
+                       # that way it will silently go on when used with unsupporting IE 
+                       try:
+                               srtfn = filename.rsplit('.', 1)[0] + u'.srt'
+                               self.report_writesubtitles(srtfn)
+                               srtfile = open(_encodeFilename(srtfn), 'wb')
+                               try:
+                                       srtfile.write(info_dict['subtitles'].encode('utf-8'))
+                               finally:
+                                       srtfile.close()
+                       except (OSError, IOError):
+                               self.trouble(u'ERROR: Cannot write subtitles file ' + descfn)
+                               return
 
                if self.params.get('writeinfojson', False):
-                       infofn = filename + '.info.json'
+                       infofn = filename + u'.info.json'
                        self.report_writeinfojson(infofn)
                        try:
                                json.dump
@@ -764,7 +839,7 @@ class FileDownloader(object):
                                self.trouble(u'ERROR: No JSON encoder found. Update to Python 2.6+, setup a json module, or leave out --write-info-json.')
                                return
                        try:
-                               infof = open(infofn, 'wb')
+                               infof = open(_encodeFilename(infofn), 'wb')
                                try:
                                        json_info_dict = dict((k,v) for k,v in info_dict.iteritems() if not k in ('urlhandle',))
                                        json.dump(json_info_dict, infof)
@@ -775,16 +850,19 @@ class FileDownloader(object):
                                return
 
                if not self.params.get('skip_download', False):
-                       try:
-                               success = self._do_download(filename, info_dict)
-                       except (OSError, IOError), err:
-                               raise UnavailableVideoError
-                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                               self.trouble(u'ERROR: unable to download video data: %s' % str(err))
-                               return
-                       except (ContentTooShortError, ), err:
-                               self.trouble(u'ERROR: content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded))
-                               return
+                       if self.params.get('nooverwrites', False) and os.path.exists(_encodeFilename(filename)):
+                               success = True
+                       else:
+                               try:
+                                       success = self._do_download(filename, info_dict)
+                               except (OSError, IOError), err:
+                                       raise UnavailableVideoError
+                               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                                       self.trouble(u'ERROR: unable to download video data: %s' % str(err))
+                                       return
+                               except (ContentTooShortError, ), err:
+                                       self.trouble(u'ERROR: content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded))
+                                       return
        
                        if success:
                                try:
@@ -843,13 +921,21 @@ class FileDownloader(object):
                # the connection was interrumpted and resuming appears to be
                # possible. This is part of rtmpdump's normal usage, AFAIK.
                basic_args = ['rtmpdump', '-q'] + [[], ['-W', player_url]][player_url is not None] + ['-r', url, '-o', tmpfilename]
-               retval = subprocess.call(basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)])
+               args = basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)]
+               if self.params.get('verbose', False):
+                       try:
+                               import pipes
+                               shell_quote = lambda args: ' '.join(map(pipes.quote, args))
+                       except ImportError:
+                               shell_quote = repr
+                       self.to_screen(u'[debug] rtmpdump command line: ' + shell_quote(args))
+               retval = subprocess.call(args)
                while retval == 2 or retval == 1:
-                       prevsize = os.path.getsize(tmpfilename)
+                       prevsize = os.path.getsize(_encodeFilename(tmpfilename))
                        self.to_screen(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True)
                        time.sleep(5.0) # This seems to be needed
                        retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1])
-                       cursize = os.path.getsize(tmpfilename)
+                       cursize = os.path.getsize(_encodeFilename(tmpfilename))
                        if prevsize == cursize and retval == 1:
                                break
                         # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those
@@ -858,7 +944,7 @@ class FileDownloader(object):
                                retval = 0
                                break
                if retval == 0:
-                       self.to_screen(u'\r[rtmpdump] %s bytes' % os.path.getsize(tmpfilename))
+                       self.to_screen(u'\r[rtmpdump] %s bytes' % os.path.getsize(_encodeFilename(tmpfilename)))
                        self.try_rename(tmpfilename, filename)
                        return True
                else:
@@ -870,7 +956,7 @@ class FileDownloader(object):
                player_url = info_dict.get('player_url', None)
 
                # Check file already present
-               if self.params.get('continuedl', False) and os.path.isfile(filename) and not self.params.get('nopart', False):
+               if self.params.get('continuedl', False) and os.path.isfile(_encodeFilename(filename)) and not self.params.get('nopart', False):
                        self.report_file_already_downloaded(filename)
                        return True
 
@@ -887,8 +973,8 @@ class FileDownloader(object):
                request = urllib2.Request(url, None, headers)
 
                # Establish possible resume length
-               if os.path.isfile(tmpfilename):
-                       resume_len = os.path.getsize(tmpfilename)
+               if os.path.isfile(_encodeFilename(tmpfilename)):
+                       resume_len = os.path.getsize(_encodeFilename(tmpfilename))
                else:
                        resume_len = 0
 
@@ -1091,7 +1177,8 @@ class YoutubeIE(InfoExtractor):
        _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
        _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 = ['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',
@@ -1102,6 +1189,7 @@ class YoutubeIE(InfoExtractor):
                '43': 'webm',
                '44': 'webm',
                '45': 'webm',
+               '46': 'webm',
        }
        _video_dimensions = {
                '5': '240x400',
@@ -1117,6 +1205,7 @@ class YoutubeIE(InfoExtractor):
                '43': '360x640',
                '44': '480x854',
                '45': '720x1280',
+               '46': '1080x1920',
        }       
        IE_NAME = u'youtube'
 
@@ -1140,6 +1229,10 @@ class YoutubeIE(InfoExtractor):
                """Report attempt to download video info webpage."""
                self._downloader.to_screen(u'[youtube] %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)
+
        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)
@@ -1152,6 +1245,23 @@ class YoutubeIE(InfoExtractor):
                """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 = re.sub(ur'(?u)&(.+?);', htmlentity_transform, caption)
+                       caption = re.sub(ur'(?u)&(.+?);', htmlentity_transform, caption) # double cycle, inentional
+                       srt += str(n) + '\n'
+                       srt += start + ' --> ' + end + '\n'
+                       srt += caption + '\n\n'
+               return srt
+
        def _print_formats(self, formats):
                print 'Available formats:'
                for x in formats:
@@ -1289,8 +1399,7 @@ class YoutubeIE(InfoExtractor):
                video_title = sanitize_title(video_title)
 
                # simplified title
-               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
-               simple_title = simple_title.strip(ur'_')
+               simple_title = _simplify_title(video_title)
 
                # thumbnail image
                if 'thumbnail_url' not in video_info:
@@ -1316,15 +1425,45 @@ class YoutubeIE(InfoExtractor):
                        lxml.etree
                except NameError:
                        video_description = u'No description available.'
-                       if self._downloader.params.get('forcedescription', False) or self._downloader.params.get('writedescription', False):
-                               mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', video_webpage)
-                               if mobj is not None:
-                                       video_description = mobj.group(1).decode('utf-8')
+                       mobj = re.search(r'<meta name="description" content="(.*?)">', video_webpage)
+                       if mobj is not None:
+                               video_description = mobj.group(1).decode('utf-8')
                else:
                        html_parser = lxml.etree.HTMLParser(encoding='utf-8')
                        vwebpage_doc = lxml.etree.parse(StringIO.StringIO(video_webpage), html_parser)
                        video_description = u''.join(vwebpage_doc.xpath('id("eow-description")//text()'))
                        # TODO use another parser
+                       
+               # 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'))
+                               else:
+                                       self._downloader.trouble(u'WARNING: video has no closed captions')
 
                # token
                video_token = urllib.unquote_plus(video_info['token'][0])
@@ -1342,10 +1481,11 @@ class YoutubeIE(InfoExtractor):
                        url_map = dict((ud['itag'][0], ud['url'][0]) for ud in url_data)
 
                        format_limit = self._downloader.params.get('format_limit', None)
-                       if format_limit is not None and format_limit in self._available_formats:
-                               format_list = self._available_formats[self._available_formats.index(format_limit):]
+                       available_formats = self._available_formats_prefer_free if self._downloader.params.get('prefer_free_formats', False) else self._available_formats
+                       if format_limit is not None and format_limit in available_formats:
+                               format_list = available_formats[available_formats.index(format_limit):]
                        else:
-                               format_list = self._available_formats
+                               format_list = available_formats
                        existing_formats = [x for x in format_list if x in url_map]
                        if len(existing_formats) == 0:
                                self._downloader.trouble(u'ERROR: no known formats available for video')
@@ -1396,6 +1536,7 @@ class YoutubeIE(InfoExtractor):
                                        'thumbnail':    video_thumbnail.decode('utf-8'),
                                        'description':  video_description,
                                        'player_url':   player_url,
+                                       'subtitles':    video_subtitles
                                })
                        except UnavailableVideoError, err:
                                self._downloader.trouble(u'\nERROR: unable to download video')
@@ -1560,9 +1701,6 @@ class DailymotionIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[dailymotion] %s: Extracting information' % video_id)
 
-       def _real_initialize(self):
-               return
-
        def _real_extract(self, url):
                # Extract id and simplified title from URL
                mobj = re.match(self._VALID_URL, url)
@@ -1574,7 +1712,6 @@ class DailymotionIE(InfoExtractor):
                self._downloader.increment_downloads()
                video_id = mobj.group(1)
 
-               simple_title = mobj.group(2).decode('utf-8')
                video_extension = 'flv'
 
                # Retrieve video webpage to extract further information
@@ -1604,12 +1741,13 @@ class DailymotionIE(InfoExtractor):
 
                video_url = mediaURL
 
-               mobj = re.search(r'(?im)<title>Dailymotion\s*-\s*(.+)\s*-\s*[^<]+?</title>', webpage)
+               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 = mobj.group(1).decode('utf-8')
+               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:
@@ -1651,9 +1789,6 @@ class GoogleIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[video.google] %s: Extracting information' % video_id)
 
-       def _real_initialize(self):
-               return
-
        def _real_extract(self, url):
                # Extract id from URL
                mobj = re.match(self._VALID_URL, url)
@@ -1697,7 +1832,7 @@ class GoogleIE(InfoExtractor):
                        return
                video_title = mobj.group(1).decode('utf-8')
                video_title = sanitize_title(video_title)
-               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+               simple_title = _simplify_title(video_title)
 
                # Extract video description
                mobj = re.search(r'<span id=short-desc-content>([^<]*)</span>', webpage)
@@ -1758,9 +1893,6 @@ class PhotobucketIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[photobucket] %s: Extracting information' % video_id)
 
-       def _real_initialize(self):
-               return
-
        def _real_extract(self, url):
                # Extract id from URL
                mobj = re.match(self._VALID_URL, url)
@@ -1799,7 +1931,7 @@ class PhotobucketIE(InfoExtractor):
                        return
                video_title = mobj.group(1).decode('utf-8')
                video_title = sanitize_title(video_title)
-               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+               simple_title = _simplify_title(vide_title)
 
                video_uploader = mobj.group(2).decode('utf-8')
 
@@ -1840,9 +1972,6 @@ class YahooIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[video.yahoo] %s: Extracting information' % video_id)
 
-       def _real_initialize(self):
-               return
-
        def _real_extract(self, url, new_video=True):
                # Extract ID from URL
                mobj = re.match(self._VALID_URL, url)
@@ -1896,7 +2025,7 @@ class YahooIE(InfoExtractor):
                        self._downloader.trouble(u'ERROR: unable to extract video title')
                        return
                video_title = mobj.group(1).decode('utf-8')
-               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+               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:
@@ -1993,9 +2122,6 @@ class VimeoIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[vimeo] %s: Extracting information' % video_id)
 
-       def _real_initialize(self):
-               return
-
        def _real_extract(self, url, new_video=True):
                # Extract ID from URL
                mobj = re.match(self._VALID_URL, url)
@@ -2008,7 +2134,7 @@ class VimeoIE(InfoExtractor):
                video_id = mobj.group(1)
 
                # Retrieve video webpage to extract further information
-               request = urllib2.Request("http://vimeo.com/moogaloop/load/clip:%s" % video_id, None, std_headers)
+               request = urllib2.Request(url, None, std_headers)
                try:
                        self.report_download_webpage(video_id)
                        webpage = urllib2.urlopen(request).read()
@@ -2021,65 +2147,75 @@ class VimeoIE(InfoExtractor):
                # and latter we extract those that are Vimeo specific.
                self.report_extraction(video_id)
 
-               # Extract title
-               mobj = re.search(r'<caption>(.*?)</caption>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract video title')
+               # Extract the config JSON
+               config = webpage.split(' = {config:')[1].split(',assets:')[0]
+               try:
+                       config = json.loads(config)
+               except:
+                       self._downloader.trouble(u'ERROR: unable to extract info section')
                        return
-               video_title = mobj.group(1).decode('utf-8')
-               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+               
+               # Extract title
+               video_title = config["video"]["title"]
+               simple_title = _simplify_title(video_title)
 
                # Extract uploader
-               mobj = re.search(r'<uploader_url>http://vimeo.com/(.*?)</uploader_url>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract video uploader')
-                       return
-               video_uploader = mobj.group(1).decode('utf-8')
+               video_uploader = config["video"]["owner"]["name"]
 
                # Extract video thumbnail
-               mobj = re.search(r'<thumbnail>(.*?)</thumbnail>', 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 = config["video"]["thumbnail"]
 
-               # # Extract video description
-               # mobj = re.search(r'<meta property="og:description" content="(.*)" />', webpage)
-               # if mobj is None:
-               #       self._downloader.trouble(u'ERROR: unable to extract video description')
-               #       return
-               # video_description = mobj.group(1).decode('utf-8')
-               # if not video_description: video_description = 'No description available.'
-               video_description = 'Foo.'
-
-               # Vimeo specific: extract request signature
-               mobj = re.search(r'<request_signature>(.*?)</request_signature>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract request signature')
-                       return
-               sig = mobj.group(1).decode('utf-8')
+               # Extract video description
+               try:
+                       lxml.etree
+               except NameError:
+                       video_description = u'No description available.'
+                       mobj = re.search(r'<meta name="description" content="(.*?)" />', webpage, re.MULTILINE)
+                       if mobj is not None:
+                               video_description = mobj.group(1)
+               else:
+                       html_parser = lxml.etree.HTMLParser()
+                       vwebpage_doc = lxml.etree.parse(StringIO.StringIO(webpage), html_parser)
+                       video_description = u''.join(vwebpage_doc.xpath('id("description")//text()')).strip()
+                       # TODO use another parser
 
-               # Vimeo specific: Extract request signature expiration
-               mobj = re.search(r'<request_signature_expires>(.*?)</request_signature_expires>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract request signature expiration')
+               # Extract upload date
+               video_upload_date = u'NA'
+               mobj = re.search(r'<span id="clip-date" style="display:none">[^:]*: (.*?)( \([^\(]*\))?</span>', webpage)
+               if mobj is not None:
+                       video_upload_date = mobj.group(1)
+
+               # Vimeo specific: extract request signature and timestamp
+               sig = config['request']['signature']
+               timestamp = config['request']['timestamp']
+
+               # Vimeo specific: extract video codec and quality information
+               # TODO bind to format param
+               codecs = [('h264', 'mp4'), ('vp8', 'flv'), ('vp6', 'flv')]
+               for codec in codecs:
+                       if codec[0] in config["video"]["files"]:
+                               video_codec = codec[0]
+                               video_extension = codec[1]
+                               if 'hd' in config["video"]["files"][codec[0]]: quality = 'hd'
+                               else: quality = 'sd'
+                               break
+               else:
+                       self._downloader.trouble(u'ERROR: no known codec found')
                        return
-               sig_exp = mobj.group(1).decode('utf-8')
 
-               video_url = "http://vimeo.com/moogaloop/play/clip:%s/%s/%s" % (video_id, sig, sig_exp)
+               video_url = "http://player.vimeo.com/play_redirect?clip_id=%s&sig=%s&time=%s&quality=%s&codecs=%s&type=moogaloop_local&embed_location=" \
+                                       %(video_id, sig, timestamp, quality, video_codec.upper())
 
                try:
                        # Process video information
                        self._downloader.process_info({
-                               'id':           video_id.decode('utf-8'),
+                               'id':           video_id,
                                'url':          video_url,
                                'uploader':     video_uploader,
-                               'upload_date':  u'NA',
+                               'upload_date':  video_upload_date,
                                'title':        video_title,
                                'stitle':       simple_title,
-                               'ext':          u'mp4',
-                               'thumbnail':    video_thumbnail.decode('utf-8'),
-                               'description':  video_description,
+                               'ext':          video_extension,
                                'thumbnail':    video_thumbnail,
                                'description':  video_description,
                                'player_url':   None,
@@ -2106,9 +2242,6 @@ class GenericIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[generic] %s: Extracting information' % video_id)
 
-       def _real_initialize(self):
-               return
-
        def _real_extract(self, url):
                # At this point we have a new video
                self._downloader.increment_downloads()
@@ -2162,7 +2295,7 @@ class GenericIE(InfoExtractor):
                        return
                video_title = mobj.group(1).decode('utf-8')
                video_title = sanitize_title(video_title)
-               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+               simple_title = _simplify_title(video_title)
 
                # video uploader is domain name
                mobj = re.match(r'(?:https?://)?([^/]*)/.*', url)
@@ -2191,9 +2324,7 @@ class GenericIE(InfoExtractor):
 class YoutubeSearchIE(InfoExtractor):
        """Information Extractor for YouTube search queries."""
        _VALID_URL = r'ytsearch(\d+|all)?:[\s\S]+'
-       _TEMPLATE_URL = 'http://www.youtube.com/results?search_query=%s&page=%s&gl=US&hl=en'
-       _VIDEO_INDICATOR = r'href="/watch\?v=.+?"'
-       _MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
+       _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
        _youtube_ie = None
        _max_youtube_results = 1000
        IE_NAME = u'youtube:search'
@@ -2244,45 +2375,39 @@ class YoutubeSearchIE(InfoExtractor):
                """Downloads a specified number of results for a query"""
 
                video_ids = []
-               already_seen = set()
-               pagenum = 1
+               pagenum = 0
+               limit = n
 
-               while True:
-                       self.report_download_page(query, pagenum)
-                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+               while (50 * pagenum) < limit:
+                       self.report_download_page(query, pagenum+1)
+                       result_url = self._API_URL % (urllib.quote_plus(query), (50*pagenum)+1)
                        request = urllib2.Request(result_url)
                        try:
-                               page = urllib2.urlopen(request).read()
+                               data = urllib2.urlopen(request).read()
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               self._downloader.trouble(u'ERROR: unable to download API page: %s' % str(err))
                                return
+                       api_response = json.loads(data)['data']
 
-                       # Extract video identifiers
-                       for mobj in re.finditer(self._VIDEO_INDICATOR, page):
-                               video_id = page[mobj.span()[0]:mobj.span()[1]].split('=')[2][:-1]
-                               if video_id not in already_seen:
-                                       video_ids.append(video_id)
-                                       already_seen.add(video_id)
-                                       if len(video_ids) == n:
-                                               # Specified n videos reached
-                                               for id in video_ids:
-                                                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
-                                               return
+                       new_ids = list(video['id'] for video in api_response['items'])
+                       video_ids += new_ids
 
-                       if re.search(self._MORE_PAGES_INDICATOR, page) is None:
-                               for id in video_ids:
-                                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
-                               return
+                       limit = min(n, api_response['totalItems'])
+                       pagenum += 1
 
-                       pagenum = pagenum + 1
+               if len(video_ids) > n:
+                       video_ids = video_ids[:n]
+               for id in video_ids:
+                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+               return
 
 
 class GoogleSearchIE(InfoExtractor):
        """Information Extractor for Google Video search queries."""
        _VALID_URL = r'gvsearch(\d+|all)?:[\s\S]+'
        _TEMPLATE_URL = 'http://video.google.com/videosearch?q=%s+site:video.google.com&start=%s&hl=en'
-       _VIDEO_INDICATOR = r'videoplay\?docid=([^\&>]+)\&'
-       _MORE_PAGES_INDICATOR = r'<span>Next</span>'
+       _VIDEO_INDICATOR = r'<a href="http://video\.google\.com/videoplay\?docid=([^"\&]+)'
+       _MORE_PAGES_INDICATOR = r'class="pn" id="pnnext"'
        _google_ie = None
        _max_google_results = 1000
        IE_NAME = u'video.google:search'
@@ -2333,12 +2458,11 @@ class GoogleSearchIE(InfoExtractor):
                """Downloads a specified number of results for a query"""
 
                video_ids = []
-               already_seen = set()
-               pagenum = 1
+               pagenum = 0
 
                while True:
                        self.report_download_page(query, pagenum)
-                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum*10)
                        request = urllib2.Request(result_url)
                        try:
                                page = urllib2.urlopen(request).read()
@@ -2349,9 +2473,8 @@ class GoogleSearchIE(InfoExtractor):
                        # Extract video identifiers
                        for mobj in re.finditer(self._VIDEO_INDICATOR, page):
                                video_id = mobj.group(1)
-                               if video_id not in already_seen:
+                               if video_id not in video_ids:
                                        video_ids.append(video_id)
-                                       already_seen.add(video_id)
                                        if len(video_ids) == n:
                                                # Specified n videos reached
                                                for id in video_ids:
@@ -2458,9 +2581,9 @@ class YahooSearchIE(InfoExtractor):
 class YoutubePlaylistIE(InfoExtractor):
        """Information Extractor for YouTube playlists."""
 
-       _VALID_URL = r'(?:https?://)?(?:\w+\.)?youtube\.com/(?:(?:course|view_play_list|my_playlists|artist|playlist)\?.*?(p|a|list)=|user/.*?/user/|p/|user/.*?#[pg]/c/)(?:PL)?([0-9A-Za-z]+)(?:/.*?/([0-9A-Za-z_-]+))?.*'
+       _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 = r'/watch\?v=(.+?)&'
+       _VIDEO_INDICATOR_TEMPLATE = r'/watch\?v=(.+?)&amp;list=PL%s&'
        _MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
        _youtube_ie = None
        IE_NAME = u'youtube:playlist'
@@ -2502,7 +2625,8 @@ class YoutubePlaylistIE(InfoExtractor):
 
                while True:
                        self.report_download_page(playlist_id, pagenum)
-                       request = urllib2.Request(self._TEMPLATE_URL % (playlist_access, playlist_prefix, playlist_id, pagenum))
+                       url = self._TEMPLATE_URL % (playlist_access, playlist_prefix, playlist_id, pagenum)
+                       request = urllib2.Request(url)
                        try:
                                page = urllib2.urlopen(request).read()
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
@@ -2511,7 +2635,7 @@ class YoutubePlaylistIE(InfoExtractor):
 
                        # Extract video identifiers
                        ids_in_page = []
-                       for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+                       for mobj in re.finditer(self._VIDEO_INDICATOR_TEMPLATE % playlist_id, page):
                                if mobj.group(1) not in ids_in_page:
                                        ids_in_page.append(mobj.group(1))
                        video_ids.extend(ids_in_page)
@@ -2522,7 +2646,10 @@ class YoutubePlaylistIE(InfoExtractor):
 
                playliststart = self._downloader.params.get('playliststart', 1) - 1
                playlistend = self._downloader.params.get('playlistend', -1)
-               video_ids = video_ids[playliststart:playlistend]
+               if playlistend == -1:
+                       video_ids = video_ids[playliststart:]
+               else:
+                       video_ids = video_ids[playliststart:playlistend]
 
                for id in video_ids:
                        self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
@@ -2536,7 +2663,7 @@ class YoutubeUserIE(InfoExtractor):
        _TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
        _GDATA_PAGE_SIZE = 50
        _GDATA_URL = 'http://gdata.youtube.com/feeds/api/users/%s/uploads?max-results=%d&start-index=%d'
-       _VIDEO_INDICATOR = r'/watch\?v=(.+?)&'
+       _VIDEO_INDICATOR = r'/watch\?v=(.+?)[\<&]'
        _youtube_ie = None
        IE_NAME = u'youtube:user'
 
@@ -2610,7 +2737,7 @@ class YoutubeUserIE(InfoExtractor):
                else:
                        video_ids = video_ids[playliststart:playlistend]
 
-               self._downloader.to_screen("[youtube] user %s: Collected %d video ids (downloading %d of them)" %
+               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:
@@ -2634,9 +2761,6 @@ class DepositFilesIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[DepositFiles] %s: Extracting information' % file_id)
 
-       def _real_initialize(self):
-               return
-
        def _real_extract(self, url):
                # At this point we have a new file
                self._downloader.increment_downloads()
@@ -2697,11 +2821,12 @@ class DepositFilesIE(InfoExtractor):
 class FacebookIE(InfoExtractor):
        """Information Extractor for Facebook"""
 
-       _VALID_URL = r'^(?:https?://)?(?:\w+\.)?facebook\.com/video/video\.php\?(?:.*?)v=(?P<ID>\d+)(?:.*)'
+       _VALID_URL = r'^(?:https?://)?(?:\w+\.)?facebook\.com/(?:video/video|photo)\.php\?(?:.*?)v=(?P<ID>\d+)(?:.*)'
        _LOGIN_URL = 'https://login.facebook.com/login.php?m&next=http%3A%2F%2Fm.facebook.com%2Fhome.php&'
        _NETRC_MACHINE = 'facebook'
-       _available_formats = ['highqual', 'lowqual']
+       _available_formats = ['video', 'highqual', 'lowqual']
        _video_extensions = {
+               'video': 'mp4',
                'highqual': 'mp4',
                'lowqual': 'mp4',
        }
@@ -2729,10 +2854,9 @@ class FacebookIE(InfoExtractor):
        def _parse_page(self, video_webpage):
                """Extract video information from page"""
                # General data
-               data = {'title': r'class="video_title datawrap">(.*?)</',
+               data = {'title': r'\("video_title", "(.*?)"\)',
                        'description': r'<div class="datawrap">(.*?)</div>',
                        'owner': r'\("video_owner_name", "(.*?)"\)',
-                       'upload_date': r'data-date="(.*?)"',
                        'thumbnail':  r'\("thumb_url", "(?P<THUMB>.*?)"\)',
                        }
                video_info = {}
@@ -2834,9 +2958,7 @@ class FacebookIE(InfoExtractor):
                video_title = video_title.decode('utf-8')
                video_title = sanitize_title(video_title)
 
-               # simplified title
-               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
-               simple_title = simple_title.strip(ur'_')
+               simple_title = _simplify_title(video_title)
 
                # thumbnail image
                if 'thumbnail' not in video_info:
@@ -2927,11 +3049,6 @@ class BlipTVIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[%s] %s: Direct download detected' % (self.IE_NAME, title))
 
-       def _simplify_title(self, title):
-               res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title)
-               res = res.strip(ur'_')
-               return res
-
        def _real_extract(self, url):
                mobj = re.match(self._VALID_URL, url)
                if mobj is None:
@@ -2951,13 +3068,14 @@ class BlipTVIE(InfoExtractor):
                        if urlh.headers.get('Content-Type', '').startswith('video/'): # Direct download
                                basename = url.split('/')[-1]
                                title,ext = os.path.splitext(basename)
+                               title = title.decode('UTF-8')
                                ext = ext.replace('.', '')
                                self.report_direct_download(title)
                                info = {
                                        'id': title,
                                        'url': url,
                                        'title': title,
-                                       'stitle': self._simplify_title(title),
+                                       'stitle': _simplify_title(title),
                                        'ext': ext,
                                        'urlhandle': urlh
                                }
@@ -2991,7 +3109,7 @@ class BlipTVIE(InfoExtractor):
                                        'uploader': data['display_name'],
                                        'upload_date': upload_date,
                                        'title': data['title'],
-                                       'stitle': self._simplify_title(data['title']),
+                                       'stitle': _simplify_title(data['title']),
                                        'ext': ext,
                                        'format': data['media']['mimeType'],
                                        'thumbnail': data['thumbnailUrl'],
@@ -3027,9 +3145,6 @@ class MyVideoIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[myvideo] %s: Extracting information' % video_id)
 
-       def _real_initialize(self):
-               return
-
        def _real_extract(self,url):
                mobj = re.match(self._VALID_URL, url)
                if mobj is None:
@@ -3037,10 +3152,6 @@ class MyVideoIE(InfoExtractor):
                        return
 
                video_id = mobj.group(1)
-               simple_title = mobj.group(2).decode('utf-8')
-               # should actually not be necessary
-               simple_title = sanitize_title(simple_title)
-               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', simple_title)
 
                # Get video webpage
                request = urllib2.Request('http://www.myvideo.de/watch/%s' % video_id)
@@ -3067,6 +3178,8 @@ class MyVideoIE(InfoExtractor):
                video_title = mobj.group(1)
                video_title = sanitize_title(video_title)
 
+               simple_title = _simplify_title(video_title)
+
                try:
                        self._downloader.process_info({
                                'id':           video_id,
@@ -3100,11 +3213,6 @@ class ComedyCentralIE(InfoExtractor):
        def report_player_url(self, episode_id):
                self._downloader.to_screen(u'[comedycentral] %s: Determining player URL' % episode_id)
 
-       def _simplify_title(self, title):
-               res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title)
-               res = res.strip(ur'_')
-               return res
-
        def _real_extract(self, url):
                mobj = re.match(self._VALID_URL, url)
                if mobj is None:
@@ -3113,9 +3221,9 @@ class ComedyCentralIE(InfoExtractor):
 
                if mobj.group('shortname'):
                        if mobj.group('shortname') in ('tds', 'thedailyshow'):
-                               url = 'http://www.thedailyshow.com/full-episodes/'
+                               url = u'http://www.thedailyshow.com/full-episodes/'
                        else:
-                               url = 'http://www.colbertnation.com/full-episodes/'
+                               url = u'http://www.colbertnation.com/full-episodes/'
                        mobj = re.match(self._VALID_URL, url)
                        assert mobj is not None
 
@@ -3144,7 +3252,7 @@ class ComedyCentralIE(InfoExtractor):
                                return
                        epTitle = mobj.group('episode')
 
-               mMovieParams = re.findall('<param name="movie" value="(http://media.mtvnservices.com/([^"]*episode.*?:.*?))"/>', html)
+               mMovieParams = re.findall('(?:<param name="movie" value="|var url = ")(http://media.mtvnservices.com/([^"]*episode.*?:.*?))"', html)
                if len(mMovieParams) == 0:
                        self._downloader.trouble(u'ERROR: unable to find Flash URL in webpage ' + url)
                        return
@@ -3201,14 +3309,14 @@ class ComedyCentralIE(InfoExtractor):
 
                        self._downloader.increment_downloads()
 
-                       effTitle = showId + '-' + epTitle
+                       effTitle = showId + u'-' + epTitle
                        info = {
                                'id': shortMediaId,
                                'url': video_url,
                                'uploader': showId,
                                'upload_date': officialDate,
                                'title': effTitle,
-                               'stitle': self._simplify_title(effTitle),
+                               'stitle': _simplify_title(effTitle),
                                'ext': 'mp4',
                                'format': format,
                                'thumbnail': None,
@@ -3235,11 +3343,6 @@ class EscapistIE(InfoExtractor):
        def report_config_download(self, showName):
                self._downloader.to_screen(u'[escapist] %s: Downloading configuration' % showName)
 
-       def _simplify_title(self, title):
-               res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title)
-               res = res.strip(ur'_')
-               return res
-
        def _real_extract(self, url):
                htmlParser = HTMLParser.HTMLParser()
 
@@ -3292,7 +3395,7 @@ class EscapistIE(InfoExtractor):
                        'uploader': showName,
                        'upload_date': None,
                        'title': showName,
-                       'stitle': self._simplify_title(showName),
+                       'stitle': _simplify_title(showName),
                        'ext': 'flv',
                        'format': 'flv',
                        'thumbnail': imgUrl,
@@ -3320,11 +3423,6 @@ class CollegeHumorIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
 
-       def _simplify_title(self, title):
-               res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title)
-               res = res.strip(ur'_')
-               return res
-
        def _real_extract(self, url):
                htmlParser = HTMLParser.HTMLParser()
 
@@ -3366,7 +3464,7 @@ class CollegeHumorIE(InfoExtractor):
                        videoNode = mdoc.findall('./video')[0]
                        info['description'] = videoNode.findall('./description')[0].text
                        info['title'] = videoNode.findall('./caption')[0].text
-                       info['stitle'] = self._simplify_title(info['title'])
+                       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]
@@ -3397,11 +3495,6 @@ class XVideosIE(InfoExtractor):
                """Report information extraction."""
                self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
 
-       def _simplify_title(self, title):
-               res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title)
-               res = res.strip(ur'_')
-               return res
-
        def _real_extract(self, url):
                htmlParser = HTMLParser.HTMLParser()
 
@@ -3426,13 +3519,13 @@ class XVideosIE(InfoExtractor):
                # Extract video URL
                mobj = re.search(r'flv_url=(.+?)&', webpage)
                if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       self._downloader.trouble(u'ERROR: unable to extract video url')
                        return
                video_url = urllib2.unquote(mobj.group(1).decode('utf-8'))
 
 
                # Extract title
-               mobj = re.search(r'<title>(.*?)</title>', webpage)
+               mobj = re.search(r'<title>(.*?)\s+-\s+XVID', webpage)
                if mobj is None:
                        self._downloader.trouble(u'ERROR: unable to extract video title')
                        return
@@ -3455,7 +3548,7 @@ class XVideosIE(InfoExtractor):
                        'uploader': None,
                        'upload_date': None,
                        'title': video_title,
-                       'stitle': self._simplify_title(video_title),
+                       'stitle': _simplify_title(video_title),
                        'ext': 'flv',
                        'format': 'flv',
                        'thumbnail': video_thumbnail,
@@ -3469,6 +3562,517 @@ class XVideosIE(InfoExtractor):
                        self._downloader.trouble(u'\nERROR: unable to download ' + video_id)
 
 
+class SoundcloudIE(InfoExtractor):
+       """Information extractor for soundcloud.com
+          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-]+)/([\w\d-]+)'
+       IE_NAME = u'soundcloud'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       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):
+               htmlParser = HTMLParser.HTMLParser()
+
+               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).decode('utf-8')
+               # extract simple title (uploader + slug of song title)
+               slug_title =  mobj.group(2).decode('utf-8')
+               simple_title = uploader + '-' + slug_title
+
+               self.report_webpage('%s/%s' % (uploader, slug_title))
+
+               request = urllib2.Request('http://soundcloud.com/%s/%s' % (uploader, slug_title))
+               try:
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                       return
+
+               self.report_extraction('%s/%s' % (uploader, slug_title))
+
+               # extract uid and stream token that soundcloud hands out for access
+               mobj = re.search('"uid":"([\w\d]+?)".*?stream_token=([\w\d]+)', webpage)
+               if mobj:
+                       video_id = mobj.group(1)
+                       stream_token = mobj.group(2)
+
+               # extract unsimplified title
+               mobj = re.search('"title":"(.*?)",', webpage)
+               if mobj:
+                       title = mobj.group(1)
+
+               # construct media url (with uid/token)
+               mediaURL = "http://media.soundcloud.com/stream/%s?stream_token=%s"
+               mediaURL = mediaURL % (video_id, stream_token)
+
+               # description
+               description = u'No description available'
+               mobj = re.search('track-description-value"><p>(.*?)</p>', webpage)
+               if mobj:
+                       description = mobj.group(1)
+               
+               # upload date
+               upload_date = None
+               mobj = re.search("pretty-date'>on ([\w]+ [\d]+, [\d]+ \d+:\d+)</abbr></h2>", webpage)
+               if mobj:
+                       try:
+                               upload_date = datetime.datetime.strptime(mobj.group(1), '%B %d, %Y %H:%M').strftime('%Y%m%d')
+                       except Exception, e:
+                               print 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)
+
+               try:
+                       self._downloader.process_info({
+                               'id':           video_id.decode('utf-8'),
+                               'url':          mediaURL,
+                               'uploader':     uploader.decode('utf-8'),
+                               'upload_date':  upload_date,
+                               'title':        simple_title.decode('utf-8'),
+                               'stitle':       simple_title.decode('utf-8'),
+                               'ext':          u'mp3',
+                               'format':       u'NA',
+                               'player_url':   None,
+                               'description': description.decode('utf-8')
+                       })
+               except UnavailableVideoError:
+                       self._downloader.trouble(u'\nERROR: unable to download video')
+
+
+class InfoQIE(InfoExtractor):
+       """Information extractor for infoq.com"""
+
+       _VALID_URL = r'^(?:https?://)?(?:www\.)?infoq\.com/[^/]+/[^/]+$'
+       IE_NAME = u'infoq'
+
+       def report_webpage(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
+
+       def _real_extract(self, url):
+               htmlParser = HTMLParser.HTMLParser()
+
+               mobj = re.match(self._VALID_URL, url)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+                       return
+
+               self.report_webpage(url)
+
+               request = urllib2.Request(url)
+               try:
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                       return
+
+               self.report_extraction(url)
+
+
+               # Extract video URL
+               mobj = re.search(r"jsclassref='([^']*)'", webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video url')
+                       return
+               video_url = 'rtmpe://video.infoq.com/cfx/st/' + urllib2.unquote(mobj.group(1).decode('base64'))
+
+
+               # Extract title
+               mobj = re.search(r'contentTitle = "(.*?)";', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract video title')
+                       return
+               video_title = mobj.group(1).decode('utf-8')
+
+               # Extract description
+               video_description = u'No description available.'
+               mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', webpage)
+               if mobj is not None:
+                       video_description = mobj.group(1).decode('utf-8')
+
+               video_filename = video_url.split('/')[-1]
+               video_id, extension = video_filename.split('.')
+
+               self._downloader.increment_downloads()
+               info = {
+                       'id': video_id,
+                       'url': video_url,
+                       '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,
+                       'description': video_description,
+                       'player_url': None,
+               }
+
+               try:
+                       self._downloader.process_info(info)
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'\nERROR: unable to download ' + video_url)
+
+class MixcloudIE(InfoExtractor):
+       """Information extractor for www.mixcloud.com"""
+       _VALID_URL = r'^(?:https?://)?(?:www\.)?mixcloud\.com/([\w\d-]+)/([\w\d-]+)'
+       IE_NAME = u'mixcloud'
+
+       def __init__(self, downloader=None):
+               InfoExtractor.__init__(self, downloader)
+
+       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))
+
+       def get_urls(self, jsonData, fmt, bitrate='best'):
+               """Get urls from 'audio_formats' section in json"""
+               file_url = None
+               try:
+                       bitrate_list = jsonData[fmt]
+                       if bitrate is None or bitrate == 'best' or bitrate not in bitrate_list:
+                               bitrate = max(bitrate_list) # select highest
+
+                       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):
+               """Returns 1st active url from list"""
+               for url in url_list:
+                       try:
+                               urllib2.urlopen(url)
+                               return url
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               url = None
+
+               return None
+
+       def _print_formats(self, formats):
+               print 'Available formats:'
+               for fmt in formats.keys():
+                       for b in formats[fmt]:
+                               try:
+                                       ext = formats[fmt][b][0]
+                                       print '%s\t%s\t[%s]' % (fmt, b, ext.split('.')[-1])
+                               except TypeError: # we have no bitrate info
+                                       ext = formats[fmt][0]
+                                       print '%s\t%s\t[%s]' % (fmt, '??', ext.split('.')[-1])
+                                       break
+
+       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 & filename from url
+               uploader = mobj.group(1).decode('utf-8')
+               file_id = uploader + "-" + mobj.group(2).decode('utf-8')
+
+               # construct API request
+               file_url = 'http://www.mixcloud.com/api/1/cloudcast/' + '/'.join(url.split('/')[-3:-1]) + '.json'
+               # retrieve .json file with links to files
+               request = urllib2.Request(file_url)
+               try:
+                       self.report_download_json(file_url)
+                       jsonData = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: Unable to retrieve file: %s' % str(err))
+                       return
+
+               # parse JSON
+               json_data = json.loads(jsonData)
+               player_url = json_data['player_swf_url']
+               formats = dict(json_data['audio_formats'])
+
+               req_format = self._downloader.params.get('format', None)
+               bitrate = None
+
+               if self._downloader.params.get('listformats', None):
+                       self._print_formats(formats)
+                       return
+
+               if req_format is None or req_format == 'best':
+                       for format_param in formats.keys():
+                               url_list = self.get_urls(formats, format_param)
+                               # check urls
+                               file_url = self.check_urls(url_list)
+                               if file_url is not None:
+                                       break # got it!
+               else:
+                       if req_format not in formats.keys():
+                               self._downloader.trouble(u'ERROR: format is not available')
+                               return
+
+                       url_list = self.get_urls(formats, req_format)
+                       file_url = self.check_urls(url_list)
+                       format_param = req_format
+
+               # We have audio
+               self._downloader.increment_downloads()
+               try:
+                       # Process file information
+                       self._downloader.process_info({
+                               'id': file_id.decode('utf-8'),
+                               'url': file_url.decode('utf-8'),
+                               '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'],
+                               'description': json_data['description'],
+                               'player_url': player_url.decode('utf-8'),
+                       })
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'ERROR: unable to download file')
+
+class StanfordOpenClassroomIE(InfoExtractor):
+       """Information extractor for Stanford's Open ClassRoom"""
+
+       _VALID_URL = r'^(?:https?://)?openclassroom.stanford.edu(?P<path>/?|(/MainFolder/(?:HomePage|CoursePage|VideoPage)\.php([?]course=(?P<course>[^&]+)(&video=(?P<video>[^&]+))?(&.*)?)?))$'
+       IE_NAME = u'stanfordoc'
+
+       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))
+
+       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
+
+               if mobj.group('course') and mobj.group('video'): # A specific video
+                       course = mobj.group('course')
+                       video = mobj.group('video')
+                       info = {
+                               'id': _simplify_title(course + '_' + video),
+                       }
+       
+                       self.report_extraction(info['id'])
+                       baseUrl = 'http://openclassroom.stanford.edu/MainFolder/courses/' + course + '/videos/'
+                       xmlUrl = baseUrl + video + '.xml'
+                       try:
+                               metaXml = urllib2.urlopen(xmlUrl).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download video info XML: %s' % unicode(err))
+                               return
+                       mdoc = xml.etree.ElementTree.fromstring(metaXml)
+                       try:
+                               info['title'] = mdoc.findall('./title')[0].text
+                               info['url'] = baseUrl + mdoc.findall('./videoFile')[0].text
+                       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']
+                       self._downloader.increment_downloads()
+                       try:
+                               self._downloader.process_info(info)
+                       except UnavailableVideoError, err:
+                               self._downloader.trouble(u'\nERROR: unable to download video')
+               elif mobj.group('course'): # A course page
+                       unescapeHTML = HTMLParser.HTMLParser().unescape
+
+                       course = mobj.group('course')
+                       info = {
+                               'id': _simplify_title(course),
+                               'type': 'playlist',
+                       }
+
+                       self.report_download_webpage(info['id'])
+                       try:
+                               coursepage = urllib2.urlopen(url).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download course info page: ' + unicode(err))
+                               return
+
+                       m = re.search('<h1>([^<]+)</h1>', coursepage)
+                       if m:
+                               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:
+                               info['description'] = unescapeHTML(m.group(1))
+
+                       links = _orderedSet(re.findall('<a href="(VideoPage.php\?[^"]+)">', coursepage))
+                       info['list'] = [
+                               {
+                                       'type': 'reference',
+                                       'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(vpage),
+                               }
+                                       for vpage in links]
+
+                       for entry in info['list']:
+                               assert entry['type'] == 'reference'
+                               self.extract(entry['url'])
+               else: # Root page
+                       unescapeHTML = HTMLParser.HTMLParser().unescape
+
+                       info = {
+                               'id': 'Stanford OpenClassroom',
+                               'type': 'playlist',
+                       }
+
+                       self.report_download_webpage(info['id'])
+                       rootURL = 'http://openclassroom.stanford.edu/MainFolder/HomePage.php'
+                       try:
+                               rootpage = urllib2.urlopen(rootURL).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download course info page: ' + unicode(err))
+                               return
+
+                       info['title'] = info['id']
+                       info['stitle'] = _simplify_title(info['title'])
+
+                       links = _orderedSet(re.findall('<a href="(CoursePage.php\?[^"]+)">', rootpage))
+                       info['list'] = [
+                               {
+                                       'type': 'reference',
+                                       'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(cpage),
+                               }
+                                       for cpage in links]
+
+                       for entry in info['list']:
+                               assert entry['type'] == 'reference'
+                               self.extract(entry['url'])
+
+class MTVIE(InfoExtractor):
+       """Information extractor for MTV.com"""
+
+       _VALID_URL = r'^(?P<proto>https?://)?(?:www\.)?mtv\.com/videos/[^/]+/(?P<videoid>[0-9]+)/[^/]+$'
+       IE_NAME = u'mtv'
+
+       def report_webpage(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.IE_NAME, video_id))
+
+       def report_extraction(self, video_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.IE_NAME, video_id))
+
+       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
+               if not mobj.group('proto'):
+                       url = 'http://' + url
+               video_id = mobj.group('videoid')
+               self.report_webpage(video_id)
+
+               request = urllib2.Request(url)
+               try:
+                       webpage = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                       return
+
+               mobj = re.search(r'<meta name="mtv_vt" content="([^"]+)"/>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract song name')
+                       return
+               song_name = _unescapeHTML(mobj.group(1).decode('iso-8859-1'))
+               mobj = re.search(r'<meta name="mtv_an" content="([^"]+)"/>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract performer')
+                       return
+               performer = _unescapeHTML(mobj.group(1).decode('iso-8859-1'))
+               video_title = performer + ' - ' + song_name 
+
+               mobj = re.search(r'<meta name="mtvn_uri" content="([^"]+)"/>', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to mtvn_uri')
+                       return
+               mtvn_uri = mobj.group(1)
+
+               mobj = re.search(r'MTVN.Player.defaultPlaylistId = ([0-9]+);', webpage)
+               if mobj is None:
+                       self._downloader.trouble(u'ERROR: unable to extract content id')
+                       return
+               content_id = mobj.group(1)
+
+               videogen_url = 'http://www.mtv.com/player/includes/mediaGen.jhtml?uri=' + mtvn_uri + '&id=' + content_id + '&vid=' + video_id + '&ref=www.mtvn.com&viewUri=' + mtvn_uri
+               self.report_extraction(video_id)
+               request = urllib2.Request(videogen_url)
+               try:
+                       metadataXml = urllib2.urlopen(request).read()
+               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                       self._downloader.trouble(u'ERROR: unable to download video metadata: %s' % str(err))
+                       return
+
+               mdoc = xml.etree.ElementTree.fromstring(metadataXml)
+               renditions = mdoc.findall('.//rendition')
+
+               # For now, always pick the highest quality.
+               rendition = renditions[-1]
+
+               try:
+                       _,_,ext = rendition.attrib['type'].partition('/')
+                       format = ext + '-' + rendition.attrib['width'] + 'x' + rendition.attrib['height'] + '_' + rendition.attrib['bitrate']
+                       video_url = rendition.find('./src').text
+               except KeyError:
+                       self._downloader.trouble('Invalid rendition field.')
+                       return
+
+               self._downloader.increment_downloads()
+               info = {
+                       'id': video_id,
+                       'url': video_url,
+                       'uploader': performer,
+                       'title': video_title,
+                       'stitle': _simplify_title(video_title),
+                       'ext': ext,
+                       'format': format,
+               }
+
+               try:
+                       self._downloader.process_info(info)
+               except UnavailableVideoError, err:
+                       self._downloader.trouble(u'\nERROR: unable to download ' + video_id)
+
+
 class PostProcessor(object):
        """Post Processor class.
 
@@ -3515,6 +4119,9 @@ class PostProcessor(object):
                """
                return information # by default, do nothing
 
+class AudioConversionError(BaseException):
+       def __init__(self, message):
+               self.message = message
 
 class FFmpegExtractAudioPP(PostProcessor):
 
@@ -3529,7 +4136,7 @@ class FFmpegExtractAudioPP(PostProcessor):
        @staticmethod
        def get_audio_codec(path):
                try:
-                       cmd = ['ffprobe', '-show_streams', '--', path]
+                       cmd = ['ffprobe', '-show_streams', '--', _encodeFilename(path)]
                        handle = subprocess.Popen(cmd, stderr=file(os.path.devnull, 'w'), stdout=subprocess.PIPE)
                        output = handle.communicate()[0]
                        if handle.wait() != 0:
@@ -3546,12 +4153,23 @@ class FFmpegExtractAudioPP(PostProcessor):
 
        @staticmethod
        def run_ffmpeg(path, out_path, codec, more_opts):
+               if codec is None:
+                       acodec_opts = []
+               else:
+                       acodec_opts = ['-acodec', codec]
+               cmd = ['ffmpeg', '-y', '-i', _encodeFilename(path), '-vn'] + acodec_opts + more_opts + ['--', _encodeFilename(out_path)]
                try:
-                       cmd = ['ffmpeg', '-y', '-i', path, '-vn', '-acodec', codec] + more_opts + ['--', out_path]
-                       ret = subprocess.call(cmd, stdout=file(os.path.devnull, 'w'), stderr=subprocess.STDOUT)
-                       return (ret == 0)
+                       p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                       stdout,stderr = p.communicate()
                except (IOError, OSError):
-                       return False
+                       e = sys.exc_info()[1]
+                       if isinstance(e, OSError) and e.errno == 2:
+                               raise AudioConversionError('ffmpeg not found. Please install ffmpeg.')
+                       else:
+                               raise e
+               if p.returncode != 0:
+                       msg = stderr.strip().split('\n')[-1]
+                       raise AudioConversionError(msg)
 
        def run(self, information):
                path = information['filepath']
@@ -3562,8 +4180,13 @@ class FFmpegExtractAudioPP(PostProcessor):
                        return None
 
                more_opts = []
-               if self._preferredcodec == 'best' or self._preferredcodec == filecodec:
-                       if filecodec in ['aac', 'mp3', 'vorbis']:
+               if self._preferredcodec == 'best' or self._preferredcodec == filecodec or (self._preferredcodec == 'm4a' and filecodec == 'aac'):
+                       if self._preferredcodec == 'm4a' and filecodec == 'aac':
+                               # Lossless, but in another container
+                               acodec = 'copy'
+                               extension = self._preferredcodec
+                               more_opts = ['-absf', 'aac_adtstoasc']
+                       elif filecodec in ['aac', 'mp3', 'vorbis']:
                                # Lossless if possible
                                acodec = 'copy'
                                extension = filecodec
@@ -3580,35 +4203,44 @@ class FFmpegExtractAudioPP(PostProcessor):
                                        more_opts += ['-ab', self._preferredquality]
                else:
                        # We convert the audio (lossy)
-                       acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'vorbis': 'libvorbis'}[self._preferredcodec]
+                       acodec = {'mp3': 'libmp3lame', 'aac': 'aac', 'm4a': 'aac', 'vorbis': 'libvorbis', 'wav': None}[self._preferredcodec]
                        extension = self._preferredcodec
                        more_opts = []
                        if self._preferredquality is not None:
                                more_opts += ['-ab', self._preferredquality]
                        if self._preferredcodec == 'aac':
                                more_opts += ['-f', 'adts']
+                       if self._preferredcodec == 'm4a':
+                               more_opts += ['-absf', 'aac_adtstoasc']
                        if self._preferredcodec == 'vorbis':
                                extension = 'ogg'
+                       if self._preferredcodec == 'wav':
+                               extension = 'wav'
+                               more_opts += ['-f', 'wav']
 
-               (prefix, ext) = os.path.splitext(path)
-               new_path = prefix + '.' + extension
-               self._downloader.to_screen(u'[ffmpeg] Destination: %s' % new_path)
-               status = self.run_ffmpeg(path, new_path, acodec, more_opts)
-
-               if not status:
-                       self._downloader.to_stderr(u'WARNING: error running ffmpeg')
+               prefix, sep, ext = path.rpartition(u'.') # not os.path.splitext, since the latter does not work on unicode in all setups
+               new_path = prefix + sep + extension
+               self._downloader.to_screen(u'[ffmpeg] Destination: ' + new_path)
+               try:
+                       self.run_ffmpeg(path, new_path, acodec, more_opts)
+               except:
+                       etype,e,tb = sys.exc_info()
+                       if isinstance(e, AudioConversionError):
+                               self._downloader.to_stderr(u'ERROR: audio conversion failed: ' + e.message)
+                       else:
+                               self._downloader.to_stderr(u'ERROR: error running ffmpeg')
                        return None
 
                # Try to update the date time for extracted audio file.
                if information.get('filetime') is not None:
                        try:
-                               os.utime(new_path, (time.time(), information['filetime']))
+                               os.utime(_encodeFilename(new_path), (time.time(), information['filetime']))
                        except:
                                self._downloader.to_stderr(u'WARNING: Cannot update utime of audio file')
 
                if not self._keepvideo:
                        try:
-                               os.remove(path)
+                               os.remove(_encodeFilename(path))
                        except (IOError, OSError):
                                self._downloader.to_stderr(u'WARNING: Unable to remove downloaded video file')
                                return None
@@ -3623,7 +4255,7 @@ def updateSelf(downloader, filename):
        if not os.access(filename, os.W_OK):
                sys.exit('ERROR: no write permissions on %s' % filename)
 
-       downloader.to_screen('Updating to latest version...')
+       downloader.to_screen(u'Updating to latest version...')
 
        try:
                try:
@@ -3632,7 +4264,7 @@ def updateSelf(downloader, filename):
                        
                        vmatch = re.search("__version__ = '([^']+)'", newcontent)
                        if vmatch is not None and vmatch.group(1) == __version__:
-                               downloader.to_screen('youtube-dl is up-to-date (' + __version__ + ')')
+                               downloader.to_screen(u'youtube-dl is up-to-date (' + __version__ + ')')
                                return
                finally:
                        urlh.close()
@@ -3648,12 +4280,21 @@ def updateSelf(downloader, filename):
        except (IOError, OSError), err:
                sys.exit('ERROR: unable to overwrite current version')
 
-       downloader.to_screen('Updated youtube-dl. Restart youtube-dl to use the new version.')
+       downloader.to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.')
 
 def parseOpts():
-       # Deferred imports
-       import getpass
-       import optparse
+       def _readOptions(filename_bytes):
+               try:
+                       optionf = open(filename_bytes)
+               except IOError:
+                       return [] # silently skip if file is not present
+               try:
+                       res = []
+                       for l in optionf:
+                               res += shlex.split(l, comments=True)
+               finally:
+                       optionf.close()
+               return res
 
        def _format_option_string(option):
                ''' ('-o', '--option') -> -o, --format METAVAR'''
@@ -3734,6 +4375,7 @@ def parseOpts():
                        dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
        selection.add_option('--match-title', dest='matchtitle', metavar='REGEX',help='download only matching titles (regex or caseless sub-string)')
        selection.add_option('--reject-title', dest='rejecttitle', metavar='REGEX',help='skip download for matching titles (regex or caseless sub-string)')
+       selection.add_option('--max-downloads', metavar='NUMBER', dest='max_downloads', help='Abort after downloading NUMBER files', default=None)
 
        authentication.add_option('-u', '--username',
                        dest='username', metavar='USERNAME', help='account username')
@@ -3747,10 +4389,18 @@ def parseOpts():
                        action='store', dest='format', metavar='FORMAT', help='video format code')
        video_format.add_option('--all-formats',
                        action='store_const', dest='format', help='download all available video formats', const='all')
+       video_format.add_option('--prefer-free-formats',
+                       action='store_true', dest='prefer_free_formats', default=False, help='prefer free video formats unless a specific one is requested')
        video_format.add_option('--max-quality',
                        action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
        video_format.add_option('-F', '--list-formats',
                        action='store_true', dest='listformats', help='list all available formats (currently youtube only)')
+       video_format.add_option('--write-srt',
+                       action='store_true', dest='writesubtitles',
+                       help='write video closed captions to a .srt file (currently youtube only)', default=False)
+       video_format.add_option('--srt-lang',
+                       action='store', dest='subtitleslang', metavar='LANG',
+                       help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
 
 
        verbosity.add_option('-q', '--quiet',
@@ -3780,6 +4430,8 @@ def parseOpts():
        verbosity.add_option('--console-title',
                        action='store_true', dest='consoletitle',
                        help='display progress in console titlebar', default=False)
+       verbosity.add_option('-v', '--verbose',
+                       action='store_true', dest='verbose', help='print various debugging information', default=False)
 
 
        filesystem.add_option('-t', '--title',
@@ -3790,13 +4442,13 @@ def parseOpts():
                        action='store_true', dest='autonumber',
                        help='number downloaded files starting from 00000', default=False)
        filesystem.add_option('-o', '--output',
-                       dest='outtmpl', metavar='TEMPLATE', help='output filename template. Use %(stitle)s to get the title, %(uploader)s for the uploader name, %(autonumber)s to get an automatically incremented number, %(ext)s for the filename extension, and %% for a literal percent')
+                       dest='outtmpl', metavar='TEMPLATE', help='output filename template. Use %(stitle)s to get the title, %(uploader)s for the uploader name, %(autonumber)s to get an automatically incremented number, %(ext)s for the filename extension, %(upload_date)s for the upload date (YYYYMMDD), and %% for a literal percent. Use - to output to stdout.')
        filesystem.add_option('-a', '--batch-file',
                        dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
        filesystem.add_option('-w', '--no-overwrites',
                        action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
        filesystem.add_option('-c', '--continue',
-                       action='store_true', dest='continue_dl', help='resume partially downloaded files', default=False)
+                       action='store_true', dest='continue_dl', help='resume partially downloaded files', default=True)
        filesystem.add_option('--no-continue',
                        action='store_false', dest='continue_dl',
                        help='do not resume partially downloaded files (restart from beginning)')
@@ -3818,7 +4470,7 @@ def parseOpts():
        postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False,
                        help='convert video files to audio-only files (requires ffmpeg and ffprobe)')
        postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
-                       help='"best", "aac", "vorbis" or "mp3"; best by default')
+                       help='"best", "aac", "vorbis", "mp3", "m4a", or "wav"; best by default')
        postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='128K',
                        help='ffmpeg audio bitrate specification, 128k by default')
        postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
@@ -3833,7 +4485,13 @@ def parseOpts():
        parser.add_option_group(authentication)
        parser.add_option_group(postproc)
 
-       opts, args = parser.parse_args()
+       xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
+       if xdg_config_home:
+               userConf = os.path.join(xdg_config_home, 'youtube-dl.conf')
+       else:
+               userConf = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
+       argv = _readOptions('/etc/youtube-dl.conf') + _readOptions(userConf) + sys.argv[1:]
+       opts, args = parser.parse_args(argv)
 
        return parser, opts, args
 
@@ -3865,11 +4523,16 @@ def gen_extractors():
                EscapistIE(),
                CollegeHumorIE(),
                XVideosIE(),
+               SoundcloudIE(),
+               InfoQIE(),
+               MixcloudIE(),
+               StanfordOpenClassroomIE(),
+               MTVIE(),
 
                GenericIE()
        ]
 
-def main():
+def _real_main():
        parser, opts, args = parseOpts()
 
        # Open appropriate CookieJar
@@ -3905,10 +4568,14 @@ def main():
 
        # General configuration
        cookie_processor = urllib2.HTTPCookieProcessor(jar)
-       opener = urllib2.build_opener(urllib2.ProxyHandler(), cookie_processor, YoutubeDLHandler())
+       proxy_handler = urllib2.ProxyHandler()
+       opener = urllib2.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
        urllib2.install_opener(opener)
        socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
 
+       if opts.verbose:
+               print(u'[debug] Proxy map: ' + str(proxy_handler.proxies))
+
        extractors = gen_extractors()
 
        if opts.list_extractors:
@@ -3954,7 +4621,7 @@ def main():
        except (TypeError, ValueError), err:
                parser.error(u'invalid playlist end number specified')
        if opts.extractaudio:
-               if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis']:
+               if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
                        parser.error(u'invalid audio format specified')
 
        # File downloader
@@ -3998,8 +4665,13 @@ def main():
                'updatetime': opts.updatetime,
                'writedescription': opts.writedescription,
                'writeinfojson': opts.writeinfojson,
+               'writesubtitles': opts.writesubtitles,
+               'subtitleslang': opts.subtitleslang,
                'matchtitle': opts.matchtitle,
                'rejecttitle': opts.rejecttitle,
+               'max_downloads': opts.max_downloads,
+               'prefer_free_formats': opts.prefer_free_formats,
+               'verbose': opts.verbose,
                })
        for extractor in extractors:
                fd.add_info_extractor(extractor)
@@ -4018,7 +4690,12 @@ def main():
                        parser.error(u'you must provide at least one URL')
                else:
                        sys.exit()
-       retcode = fd.download(all_urls)
+       
+       try:
+               retcode = fd.download(all_urls)
+       except MaxDownloadsReached:
+               fd.to_screen(u'--max-download limit reached, aborting.')
+               retcode = 101
 
        # Dump cookie jar if requested
        if opts.cookiefile is not None:
@@ -4029,10 +4706,9 @@ def main():
 
        sys.exit(retcode)
 
-
-if __name__ == '__main__':
+def main():
        try:
-               main()
+               _real_main()
        except DownloadError:
                sys.exit(1)
        except SameFileError:
@@ -4040,4 +4716,7 @@ if __name__ == '__main__':
        except KeyboardInterrupt:
                sys.exit(u'\nERROR: Interrupted by user')
 
+if __name__ == '__main__':
+       main()
+
 # vim: set ts=4 sw=4 sts=4 noet ai si filetype=python: