I think you mean that your cable box is connected to an HDMI input.
Just buy an HDMI input selector. There are many available with different number of inputs. If your TV is 4k make sure you get one that supports the same version of HDMI that your TV does. http/www.amazon.com/PORTTA-PET0301S-Switcher-Supports-Wireless/dp/B00B46XUQU/ref=cm_cr_arp_d_product_top?ie=UTF8
http/home.purelinkav.com/purelink-to-unveil-the-first-hdmi-2.0a-matrix-switcher/
Then you can connect your streamer (BD Player, Android TV, Chromecast. Roku etc.)
I think you mean that your cable box is connected to an HDMI input.
Just buy an HDMI input selector. There are many available with different number of inputs. If your TV is 4k make sure you get one that supports the same version of HDMI that your TV does. http/www.amazon.com/PORTTA-PET0301S-Switcher-Supports-Wireless/dp/B00B46XUQU/ref=cm_cr_arp_d_product_top?ie=UTF8
http/home.purelinkav.com/purelink-to-unveil-the-first-hdmi-2.0a-matrix-switcher/
Then you can connect your streamer (BD Player, Android TV, Chromecast. Roku etc.)