def object_to_string(obj):
if isinstance(obj, RTCSessionDescription):
message = {'sdp': obj.sdp, 'type': obj.type}
elif isinstance(obj, RTCIceCandidate):
message = {
'candidate': 'candidate:' + candidate_to_sdp(obj),
'id': obj.sdpMid,
'label': obj.sdpMLineIndex,
'type': 'candidate',
}
else:
message = {'type': 'bye'}
return json.dumps(message, sort_keys=True)
def object_to_string(obj):
if isinstance(obj, RTCSessionDescription):
message = {"sdp": obj.sdp, "type": obj.type}
elif isinstance(obj, RTCIceCandidate):
message = {
"candidate": "candidate:" + candidate_to_sdp(obj),
"id": obj.sdpMid,
"label": obj.sdpMLineIndex,
"type": "candidate",
}
else:
message = {"type": "bye"}
return json.dumps(message, sort_keys=True)
async def object_to_string(obj):
if isinstance(obj, RTCSessionDescription):
message = {"sdp": {"sdp": obj.sdp, "type": obj.type}}
elif isinstance(obj, RTCIceCandidate):
if hasattr(obj, 'label'):
message = {
"candidate": "candidate:" + candidate_to_sdp(obj),
"id": obj.id, #obj.sdpMid,
"label": obj.label, #obj.sdpMLineIndex,
"type": "candidate",
}
else:
message = {
"candidate": "candidate:" + candidate_to_sdp(obj),
"id": obj.sdpMid,
"label": obj.sdpMLineIndex,
"type": "candidate",
}
else:
return obj
return message
def object_to_dict(obj):
"""Convert RTC object to dict."""
if isinstance(obj, RTCSessionDescription):
message = {"sdp": obj.sdp, "type": obj.type}
elif isinstance(obj, RTCIceCandidate):
message = {
"candidate": "candidate:" + candidate_to_sdp(obj),
"id": obj.sdpMid,
"label": obj.sdpMLineIndex,
"type": "candidate",
}
else:
message = {"type": "bye"}
return message
def object_to_string(obj, source: str):
if isinstance(obj, RTCSessionDescription):
data = {
'sdp': obj.sdp,
'type': obj.type
}
elif isinstance(obj, RTCIceCandidate):
data = {
'candidate': 'candidate:' + candidate_to_sdp(obj),
'id': obj.sdpMid,
'label': obj.sdpMLineIndex,
'type': 'candidate',
}
else:
raise ValueError('Can only send RTCSessionDescription or RTCIceCandidate')
message = {
'source': source,
'data': data
}
return json.dumps(message, sort_keys=True)
async def on_receive(self, websocket, message):
if self.encoding == "json":
iceTransport = websocket.state.iceTransport
iceParameters = iceTransport.iceGatherer.getLocalParameters()
dtlsTransport = websocket.state.dtlsTransport
dtlsParameters = dtlsTransport.getLocalParameters()
coros = map(
iceTransport.addRemoteCandidate,
map(candidate_from_sdp, message["candidates"]),
)
await asyncio.gather(*coros)
await websocket.send_json({
"ice": {
"usernameFragment": iceParameters.usernameFragment,
"password": iceParameters.password,
},
"dtls": {
"role":
"auto",
"fingerprints":
list(
map(
lambda fp: {
"algorithm": fp.algorithm,
"value": fp.value,
},
dtlsParameters.fingerprints,
)),
},
"candidates":
list(
map(
lambda c: "candidate:" + candidate_to_sdp(c),
iceTransport.iceGatherer.getLocalCandidates(),
)),
})
remoteIceParameters = RTCIceParameters(
usernameFragment=message["ice"]["usernameFragment"],
password=message["ice"]["password"],
)
remoteDtlsParameters = RTCDtlsParameters(fingerprints=list(
map(
lambda fp: RTCDtlsFingerprint(algorithm=fp["algorithm"],
value=fp["value"]),
message["dtls"]["fingerprints"],
)))
await iceTransport.iceGatherer.gather()
iceTransport._connection.ice_controlling = False
await iceTransport.start(remoteIceParameters)
await dtlsTransport.start(remoteDtlsParameters)
self.encoding = "bytes"
elif self.encoding == "bytes":
await websocket.state.dtlsTransport._send_rtp(message)
else:
print("Unhandled encoding", self.encoding)
