support additional attributes (other than size) on the

media resources...

support rtsp in addition to http resources..

[git-p4: depot-paths = "//depot/": change = 1574]

item.py

@@ -26,18 +26,41 @@ class ItemObject(FSObject, Item):
 
 		self.checkUpdate(dom=dom)
 
+	_attrconv = [
+		('size', 'size', int),
+		('bitrate', 'bitrate', int),
+		('sampleFrequency', 'sampleFrequency', int),
+		('nrAudioChannels', 'nrAudioChannels', int),
+		]
+
+	@staticmethod
+	def _addattrib(res, attr, dom, element, fun=lambda x: x):
+		data = dom.getElementsByTagName(element)
+		if data:
+			setattr(res, attr, fun(getElementText(data[0])))
+
 	def doUpdate(self, dom=None):
 		if dom is None:
 			dom = xml.dom.minidom.parse(open(self.FSpath))
 		obj = dom.getElementsByTagName('Object')[0]
 		self.res = ResourceList()
 		for i in obj.getElementsByTagName('res'):
-			mt = getElementText(i.getElementsByTagName('mimetype')[0])
-			r = Resource(getElementText(i.getElementsByTagName(
-			    'url')[0]), 'http-get:*:%s:*' % mt)
-			size = i.getElementsByTagName('size')
-			if size:
-				r.size = int(getElementText(size[0]))
+			mtel = i.getElementsByTagName('mimetype')
+			rtpel = i.getElementsByTagName('rtppayloadtype')
+			if mtel:
+				mt = getElementText(mtel[0])
+				pi = 'http-get:*:%s:*' % mt
+			elif rtpel:
+				pt = getElementText(rtpel[0])
+				pi = 'rtsp-rtp-udp:*:%s:*' % pt
+			else:
+				print 'missing mimetype or rtppayloadtype element, skipping...'
+				continue
+
+			url = getElementText(i.getElementsByTagName('url')[0])
+			r = Resource(url, pi)
+			for j in self._attrconv:
+				self._addattrib(r, j[0], i, j[1], *j[2:])
 			self.res.append(r)
 
 		super(ItemObject, self).doUpdate()