[Dec64]

I would like a way to say have 5 reserved chaannels such that

from 12:00 - 3:00 we have
Channel 1: Sport 1
Channel 2: Sport 2
Channel 3: Sport 3
Channel 4: Sport 4
Channel 5: Sport 5

Nothing has to show on the EPG beyond 3:00, We don't know for sure the events that are to air.
Then at 3:00 or perhaps earlier the bacgroud library update occurs, and sees that the live events in the plugin have changed. So we use the same channels but now they will play something else.
from 3:00 - 6:00
Channel1: Sport 6
Channel2: Sport 7
Channel3: Sport 8
Channel4: can be blank? or duplicate?
Channel5: "" ""

I haven't seen any precedent of this anywhere

This is not possible with PTVL. You switch between live channels by switching channels, you don't mix live channels together into a single channel.

Are you certain this is true? I'm not physically changing the channel on a tv tuner, this isn't Live TV like OTA, but online streams. Additionally Luna just said "this plugin does almost all of what you want and are asking"

Because in my experience I have seen Live content mixed into the same channel.
For example the way the Twitch.TV plugin from the community list currently works will populate a channel with the featured streamer. This streamer is different every few hours. So any time you pull up PTVL the channel displays a different live stream. This is essentially what i need, but multiple events at the same time which are all unique. Also i don't see why it wouldn't be possible anyway, doesn't PTVL just handle the strm regardless of whether it is live or not? If i wanted to i could mix a ustvnow stream with other online content (example commercials) so why is this any different?

As far as i'm aware using USTV Now live stream, as intended as a Live TV CH type, it's not possible to cut into it with other streams? Live TV and Internet TV ch types are non stop 24/7 streams. You can't add bumpers ect to them. I dont fully get what you're trying to do, but i would imagine you could use the PTVL Libarary plugin thing to create .strms from the plugin you're talking about, and then using them .strms to mix into any other streams or files you want on a normal channel type.