private void unsubscribeFromStream(Stream stream) {
mStreams.remove(stream);
if (mSubscriber.getStream().getStreamId().equals(stream.getStreamId())) {
mSubscriberViewContainer.removeView(mSubscriber.getView());
mSubscriber = null;
if (!mStreams.isEmpty()) {
subscribeToStream(mStreams.get(0));
}
}
}