Pass camera stream from unity and android plugin

I'm trying to use Firebase's MLKit with unity, trying to use the face detection in my project. While sending a single image works, there is a high ping associated with the plugin call from unity and the time by which the callback actually returns the value. Is there any way to achieve a low latency solution for this, so that a reliable connection can be made? Unity Code public void AndroidRender() { tex = new Texture2D(webcamTexture.width, webcamTexture.height); textureHolder.GetComponent().texture = tex; tex.SetPixels32(webcamTexture.GetPixels32()); tex.Apply(); byteObject.Call("passByteArray", colorBytes); coordinates = byteObject.Call("getData"); } Java code public passByteArray(byte[] byteArray) { if(gotData) { return; //create new values only if previous one's have been consumed } //create bitmap BitmapFactory.Options bitmapOptions = new BitmapFactory.Options(); bitmapOptions.inMutable = true; Bitmap bmp = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length, bitmapOptions); bmp = rotateBitmap(bmp, 90); FirebaseVisionImage image = FirebaseVisionImage.fromBitmap(bmp); //start detection FirebaseVisionFaceDetector detector = FirebaseVision.getInstance() .getVisionFaceDetector(options); Task> result = detector.detectInImage(image) .addOnSuccessListener( new OnSuccessListener>() { @Override public void onSuccess(List faces) { Log.i(TAG, "detecting faces"); for (FirebaseVisionFace face : faces) { nose = face.getLandmark(6); leftEye = face.getLandmark(4); rightEye = face.getLandmark(10); if (nose != null) { FirebaseVisionPoint point = nose.getPosition(); x_nose = point.getX(); y_nose = point.getY(); } if (leftEye != null) { FirebaseVisionPoint point = leftEye.getPosition(); x_lEye = point.getX(); y_rEye = point.getY(); } if (rightEye != null) { FirebaseVisionPoint point = rightEye.getPosition(); x_rEye = point.getX(); y_rEye = point.getY(); } } if(faces.size() == 0) { coordinates = "0.0-0.0-0.0-0.0-0.0-0.0"; } else { coordinates = "" + x_nose + "-" + y_nose + "-" + x_lEye + "-" + y_lEye + "-" + x_rEye + "-" + y_rEye; //actual value to be returned } gotData = true; //Log.i(TAG,faces.size() + " -> " + x + "-" + y); } }) .addOnFailureListener( new OnFailureListener() { @Override public void onFailure(@NonNull Exception e) { Log.i(TAG, "some error"); } }); } The boolean gotData at the start of Java plugin is used to wait till the callback actually returns value before passing back to Unity