[Jingle] Handle description-info

src/common/jingle_content.py

@@ -127,6 +127,11 @@ class JingleContent(object):
         content.addChild(node=self.transport.make_transport([candidate]))
         self.session.send_transport_info(content)
 
+    def send_description_info(self):
+        content = self.__content()
+        self._fill_content(content)
+        self.session.send_description_info(content)
+
     def __fill_jingle_stanza(self, stanza, content, error, action):
         """
         Add our things to session-initiate stanza

src/common/jingle_rtp.py

@@ -99,8 +99,7 @@ class JingleRTPContent(JingleContent):
                 farsight.DIRECTION_RECV, 'nice', params)
 
     def is_ready(self):
-        return (JingleContent.is_ready(self) and self.candidates_ready
-                and self.p2psession.get_property('codecs-ready'))
+        return (JingleContent.is_ready(self) and self.candidates_ready)
 
     def make_bin_from_config(self, config_key, pipeline, text):
         pipeline = pipeline % gajim.config.get(config_key)
@@ -177,9 +176,8 @@ class JingleRTPContent(JingleContent):
             elif name == 'farsight-recv-codecs-changed':
                 pass
             elif name == 'farsight-codecs-changed':
-                if self.is_ready():
-                    self.session.on_session_state_changed(self)
-                # TODO: description-info
+                if self.sent and self.p2psession.get_property('codecs-ready'):
+                    self.send_description_info()
             elif name == 'farsight-local-candidates-prepared':
                 self.candidates_ready = True
                 if self.is_ready():

src/common/jingle_session.py

@@ -264,6 +264,12 @@ class JingleSession(object):
         jingle.addChild(node=content)
         self.connection.connection.send(stanza)
 
+    def send_description_info(self, content):
+        assert self.state != JingleStates.ended
+        stanza, jingle = self.__make_jingle('description-info')
+        jingle.addChild(node=content)
+        self.connection.connection.send(stanza)
+
     def on_stanza(self, stanza):
         """
         A callback for ConnectionJingle. It gets stanza, then tries to send it to