Switch to side-by-side view

--- a
+++ b/rdpl2stream/AsxPlaylistDecoder.py
@@ -0,0 +1,80 @@
+##########################################################################
+# 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 AsxPlaylistDecoder:
+
+    def __init__(self):
+        self.log = logging.getLogger('radiotray')
+        self.log.debug('ASX-familiy playlist decoder')
+
+
+    def isStreamValid(self, contentType, firstBytes):
+
+        if(('audio/x-ms-wax' in contentType or 'video/x-ms-wvx' in contentType or 'video/x-ms-asf' in contentType or 'video/x-ms-wmv' in contentType) and firstBytes.strip().lower().startswith('<asx')):
+            self.log.info('Stream is readable by ASX 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...')
+
+        parser = etree.XMLParser(recover=True)
+        root = etree.parse(StringIO(str),parser)
+
+        #ugly hack to normalize the XML
+        for element in root.iter():
+
+            tmp = element.tag
+            element.tag = tmp.lower()
+
+            for key in element.attrib.iterkeys():
+                element.attrib[key.lower()] = element.attrib[key]
+
+
+        result = root.xpath("//ref/@href")
+
+        if (len(result) > 0):
+
+            for i in range(1,len(result)):
+
+                tmp = result[i]
+                if (tmp.endswith("?MSWMExt=.asf")):
+                    result[i] = tmp.replace("http", "mms")
+            return result
+        else:
+            return []