def __init__(self, pid, id, connect):
self.pid = pid
self.id = id
self.connect = connect
candidate = farsight.Candidate()
candidate.component_id = 1
connect.send_candidate(self.pid, self.id, candidate)
connect.send_candidates_done(self.pid, self.id)
def __candidate_from_string(self, string):
candidate = farsight.Candidate()
(candidate.foundation, component_id, candidate.ip, port,
candidate.base_ip, base_port, proto, priority, type,
candidate.username, candidate.password) = string.split("|")
candidate.component_id = int(component_id)
candidate.port = int(port)
candidate.base_port = int(base_port)
candidate.proto = int(proto)
candidate.priority = int(priority)
candidate.type = int(type)
return candidate
def new_stream(self, id, participant):
"Creates a new stream for a specific participant"
transmitter_params = {}
# If its video, we start at port 9078, to make it more easy
# to differentiate it in a tcpdump log
if self.source.get_type() == farsight.MEDIA_TYPE_VIDEO and \
TRANSMITTER == "rawudp":
cand = farsight.Candidate()
cand.component_id = farsight.COMPONENT_RTP
cand.port = 9078
transmitter_params["preferred-local-candidates"] = [cand]
realstream = self.fssession.new_stream(participant.fsparticipant,
farsight.DIRECTION_BOTH,
TRANSMITTER, transmitter_params)
stream = FsUIStream(id, self, participant, realstream)
self.streams.append(weakref.ref(stream, self.__stream_finalized))
return stream
def convert_media_candidates(candidates):
fscandidates = []
for candidate in candidates:
for k, v in protos.iteritems():
if v == candidate.transport:
proto = k
type = 0
for k, v in types.iteritems():
if v == candidate.type:
type = k
fscandidate = farsight.Candidate()
fscandidate.foundation = candidate.foundation
fscandidate.ip = candidate.ip
fscandidate.port = candidate.port
fscandidate.component_id = candidate.component_id
fscandidate.proto = proto
fscandidate.type = type
fscandidate.username = candidate.username
fscandidate.password = candidate.password
fscandidate.priority = int(candidate.priority)
fscandidates.append(fscandidate)
return fscandidates
loop = gobject.MainLoop()
pipeline = gst.Pipeline()
conference = gst.element_factory_make ("fsrtpconference")
conference.set_property ("sdes-cname", sys.argv[1] + "@1.2.3.4")
pipeline.add (conference)
session = conference.new_session (farsight.MEDIA_TYPE_VIDEO)
participant = conference.new_participant (sys.argv[2]+"@1.2.3.4")
stream = session.new_stream (participant, farsight.DIRECTION_BOTH, "multicast")
stream.set_remote_codecs([farsight.Codec(96, "H263-1998",
farsight.MEDIA_TYPE_VIDEO,
90000)])
candidate = farsight.Candidate()
candidate.ip = "224.0.0.110"
candidate.port = 3442
candidate.component_id = farsight.COMPONENT_RTP
candidate.proto = farsight.NETWORK_PROTOCOL_UDP
candidate.type = farsight.CANDIDATE_TYPE_MULTICAST
candidate.ttl = 1
candidate2 = candidate.copy()
candidate2.port = 3443
candidate2.component_id = farsight.COMPONENT_RTCP
stream.set_remote_candidates ([candidate, candidate2])
videosource = gst.parse_bin_from_description (sys.argv[3] + " ! videoscale", True)
pipeline.add (videosource)
videosource.get_pad ("src").link(session.get_property ("sink-pad"))
