private void start(final WebSocketSession session, JsonObject jsonMessage) {
try {
// Media Logic (Media Pipeline and Elements)
UserSession user = new UserSession();
MediaPipeline pipeline = kurento.createMediaPipeline();
user.setMediaPipeline(pipeline);
WebRtcEndpoint webRtcEndpoint = new WebRtcEndpoint.Builder(pipeline).build();
user.setWebRtcEndpoint(webRtcEndpoint);
users.put(session.getId(), user);
webRtcEndpoint.addOnIceCandidateListener(
new EventListener<OnIceCandidateEvent>() {
@Override
public void onEvent(OnIceCandidateEvent event) {
JsonObject response = new JsonObject();
response.addProperty("id", "iceCandidate");
response.add("candidate", JsonUtils.toJsonObject(event.getCandidate()));
try {
synchronized (session) {
session.sendMessage(new TextMessage(response.toString()));
}
} catch (IOException e) {
log.debug(e.getMessage());
}
}
});
mouth = new NuboMouthDetector.Builder(pipeline).build();
webRtcEndpoint.connect(mouth);
mouth.connect(webRtcEndpoint);
// SDP negotiation (offer and answer)
String sdpOffer = jsonMessage.get("sdpOffer").getAsString();
String sdpAnswer = webRtcEndpoint.processOffer(sdpOffer);
// Sending response back to client
JsonObject response = new JsonObject();
response.addProperty("id", "startResponse");
response.addProperty("sdpAnswer", sdpAnswer);
synchronized (session) {
session.sendMessage(new TextMessage(response.toString()));
}
webRtcEndpoint.gatherCandidates();
} catch (Throwable t) {
sendError(session, t.getMessage());
}
}
