Tvheadend

Hello, perhaps I can not understand the real capabilities tvheadend.
I installed tvheadend server nas Synology DS210j, I would configure the flow IPTV server and watch it with Kodi, I state that with kodi use PVR Simple Client to see the IPTV channels, but the flow is taken from an external link like this, where the "x" stands for the site, username and password:
http://iptv.xxxxxxxxxx.com:1111/get.php?username=xxxxxx&password=xxxxxx&type=m3u_plus&output=mpegts

With this link, trammite kodi, I can see the IPTV perfectly, but the management channel is slow. Then downloading the m3u file from the website itself the links of different TV channels are as follows:

#EXTINF: -1 Tvg-id = "" tvg-name = "History + 1 HD" tvg-logo = "" group-title = "" History + 1 HD
http://iptv.xxxxxxxxxx.com:1111/live/"username"/"password"/1.ts

I wanted to see if it was possible to set tvheadend with this link, if anyone has had an experience like that, because with tvheadend could take advantage of the opportunity to register.

Thank you very much for your answers, but I'm literally going crazy.

Thanks again!!