Adding iTunes Library to Infuse on Apple TV

I imagine this question might have been answered a number of times, but I cannot seem to find the answer. Is there a way to add an iTunes Library to Infuse without having to go through Plex? I keep my data on external hard drives and don’t have a secondary copy in the iTunes Media folder. As for metadata, while the metadata is correct in iTunes, because it was encoded correctly using iFlicks, I’ve found myself having to edit metadata again in Plex. Is this possible? Is there a way I can just connect iTunes to Infuse? Also, again, I apologize if I’ve asked a long-answered question. I am new to this.