private void setEuclideanDistance(WebSocketSession session, JsonObject jsonObject) {
try {
int euc_dis = jsonObject.get("val").getAsInt();
if (null != face) face.euclideanDistance(euc_dis);
} catch (Throwable t) {
error(session, t.getClass().getSimpleName() + ": " + t.getMessage());
}
}
private void setTrackThreshold(WebSocketSession session, JsonObject jsonObject) {
try {
int track_thres = jsonObject.get("val").getAsInt();
if (null != face) face.trackThreshold(track_thres);
} catch (Throwable t) {
error(session, t.getClass().getSimpleName() + ": " + t.getMessage());
}
}
private void setScaleFactor(WebSocketSession session, JsonObject jsonObject) {
try {
int scale = jsonObject.get("val").getAsInt();
if (null != face) face.multiScaleFactor(scale);
} catch (Throwable t) {
error(session, t.getClass().getSimpleName() + ": " + t.getMessage());
}
}
private void setWidthToProcess(WebSocketSession session, JsonObject jsonObject) {
try {
int width = jsonObject.get("val").getAsInt();
if (null != face) {
face.widthToProcess(width);
}
} catch (Throwable t) {
error(session, t.getClass().getSimpleName() + ": " + t.getMessage());
}
}
private void setVisualization(WebSocketSession session, JsonObject jsonObject) {
try {
visualizeFace = jsonObject.get("val").getAsInt();
if (null != face) face.showFaces(visualizeFace);
} catch (Throwable t) {
error(session, t.getClass().getSimpleName() + ": " + t.getMessage());
}
}
private void setProcessNumberFrames(WebSocketSession session, JsonObject jsonObject) {
try {
int num_img = jsonObject.get("val").getAsInt();
if (null != face) {
log.debug("Sending process num frames...." + num_img);
face.processXevery4Frames(num_img);
}
} catch (Throwable t) {
error(session, t.getClass().getSimpleName() + ": " + t.getMessage());
}
}
private void start(final WebSocketSession session, JsonObject jsonMessage) {
try {
String sessionId = session.getId();
UserSession user = new UserSession(sessionId);
users.put(sessionId, user);
webRtcEndpoint = user.getWebRtcEndpoint();
// Ice Candidate
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()));
sendMessage(session, new TextMessage(response.toString()));
}
});
face = new NuboFaceDetector.Builder(user.getMediaPipeline()).build();
face.activateServerEvents(1, 3000);
addFaceListener();
webRtcEndpoint.connect(face);
face.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) {
sendMessage(session, new TextMessage(response.toString()));
}
webRtcEndpoint.gatherCandidates();
} catch (NotEnoughResourcesException e) {
log.warn("Not enough resources", e);
notEnoughResources(session);
} catch (Throwable t) {
log.error("Exception starting session", t);
error(session, t.getClass().getSimpleName() + ": " + t.getMessage());
}
}