Default Stream the TV content to my Android device

I don't know if watch what i am seeing on the tv on my android device could be possible. I have a SAT decoder with a HDMI port and I want to do the reverse of Chromecast. Watch on my android device what the decoder is sending. Thanks in advance for any help.
== MOBILE ==
Nexus 5 on Stock 4.4.2 KOT49H

== DESKTOP ==
Intel i7 920 @ 3.20Ghz
6GB DDR3 @ 1600Mhz
SSD OCZ 60GB FORCE 2
HDD WD 1TB Black Caviar
ATI Radeon HD4890 1GB DDR5