Fix youtube downloads (Closes #135)

youtube-dl

@@ -1248,14 +1248,11 @@ class YoutubeIE(InfoExtractor):
 		# Decide which formats to download
 		req_format = self._downloader.params.get('format', None)
 
-		raw_map = None
-		if 'fmt_url_map' in video_info and len(video_info['fmt_url_map']) >= 1:
-			raw_map = video_info['fmt_url_map'][0]
-		elif 'fmt_stream_map' in video_info and len(video_info['fmt_stream_map']) >= 1:
-			raw_map = video_info['fmt_stream_map'][0]
-
-		if raw_map is not None:
-			url_map = dict(tuple(pair.split('|')[:2]) for pair in raw_map.split(','))
+		if 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1:
+			url_data_strs = video_info['url_encoded_fmt_stream_map'][0].split(',')
+			url_data = [dict(pairStr.split('=') for pairStr in uds.split('&')) for uds in url_data_strs]
+			url_map = dict((ud['itag'], urllib.unquote(ud['url'])) 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):]