VideoSource videoSourceRemote = videoInterface.getRemoteVideoSource(channelId);

        if (videoSourceRemote != null) {

            videoSourceRemote.setVideoSink(videoLayerRemote);

            VideoLayerListener videoLayoutListener = new VideoLayerListener() {

                @Override

                public void onVideoFrameSizeChanged(int width, int height) {

                    int videoAspectRatio = width/height;

                }

            };

            videoLayerRemote.setListener(videoLayoutListener);

            if (maxSize.width / maxSize.height > videoAspectRatio)

            {

                // parent is wider than the video, plan for black bars left and right

                maxSize.width = maxSize.height * videoAspectRatio;

            }

            else

            {

                // parent is taller than the video, plan for black bars top and bottom

                maxSize.height = maxSize.width / videoAspectRatio;

            }