I have just purchased a Chromecast. I have Sky+ and a samsung TV that only has 2 HDMI slots. Can I use a HDMI splitter to connect the Chromecast and my Bluray player so that I don’t have to keep plugging in and taking out eash time I use 1 or the other. The Sky+ has to use 1 HDMI plug and cannot be split. Many thanks.I am in the UK