Convert Fire Sources to real names

Home Assistant Template

{% if state_attr('media_player.fire_tv_192_168_50_105','source') != none %}
{% set source = state_attr('media_player.fire_tv_192_168_50_105','source') %}
{% set channels = [
("YouTube","com.amazon.firetv.youtube"), 
("iPlayer" , "uk.co.bbc.iplayer"), 
("Local Video" , "org.courville.nova"),
("Off",'None')
] %}
Source {{source}}
{% for c,a in channels %}
{% if source == a %} 
{{- c}}
{% endif %}
{% endfor %}
{% endif %}