boot_info = self._get_bootstrap_from_url(bootstrap_url)
         else:
             bootstrap_url = None
-            bootstrap = base64.b64decode(node.text)
+            bootstrap = base64.b64decode(node.text.encode('ascii'))
             boot_info = read_bootstrap_info(bootstrap)
         return (boot_info, bootstrap_url)
 
         live = boot_info['live']
         metadata_node = media.find(_add_ns('metadata'))
         if metadata_node is not None:
-            metadata = base64.b64decode(metadata_node.text)
+            metadata = base64.b64decode(metadata_node.text.encode('ascii'))
         else:
             metadata = None
 
             url = base_url + name
             if akamai_pv:
                 url += '?' + akamai_pv.strip(';')
+            if info_dict.get('extra_param_to_segment_url'):
+                url += info_dict.get('extra_param_to_segment_url')
             frag_filename = '%s-%s' % (tmpfilename, name)
             try:
                 success = http_dl.download(frag_filename, {'url': url})