--- a
+++ b/rdpl2stream/AsfPlaylistDecoder.py
@@ -0,0 +1,71 @@
+##########################################################################
+# Copyright 2009 Carlos Ribeiro
+#
+# This file is part of Radio Tray
+#
+# Radio Tray is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 1 of the License, or
+# (at your option) any later version.
+#
+# Radio Tray is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Radio Tray.  If not, see <http://www.gnu.org/licenses/>.
+#
+##########################################################################
+import urllib2
+from lib.common import USER_AGENT
+from lxml import etree
+from lxml import objectify
+from StringIO import StringIO
+import logging
+
+class AsfPlaylistDecoder:
+
+    def __init__(self):
+        self.log = logging.getLogger('radiotray')
+        self.log.debug('Initializing ASF playlist decoder')
+
+
+    def isStreamValid(self, contentType, firstBytes):
+
+        if('video/x-ms-asf' in contentType and firstBytes.strip().lower().startswith('[reference]')):
+            self.log.info('Stream is readable by ASF Playlist Decoder')
+            return True
+        else:
+            return False
+
+        
+    def extractPlaylist(self,  url):
+
+        self.log.info('Downloading playlist..')
+
+        req = urllib2.Request(url)
+        req.add_header('User-Agent', USER_AGENT)
+        f = urllib2.urlopen(req)
+        str = f.read()
+        f.close()
+
+        self.log.info('Playlist downloaded')
+        self.log.info('Decoding playlist...')
+
+        playlist = []
+        lines = str.split("\n")
+        for line in lines:
+
+            if (line.startswith("Ref") == True):
+
+                list = line.split("=", 1)
+                tmp = list[1].strip()
+
+                if (tmp.endswith("?MSWMExt=.asf")):
+                    playlist.append(tmp.replace("http", "mms"))
+                else:
+                    playlist.append(tmp)
+         
+        return playlist
+