Hello, I've been using Channels successfully for some time now. I use it mostly with my HD Homerun and TVE. I do, also, fill in some channels using Telly/IPTV.
I create a tvg-chno number for each channel and logically group them. I've found that if I map guide data in Telly it always seems to "stick" to the proper tvg-chno. The only other fields I include in the M3U file are tvg-name and group-title. To do this, I have a VBA script which parses an M3U and "cleans" and adds in the channel numbers that I have set. This is complicated for most users.
If you use Telly and let it assign channel numbers, does Channel DVR channel mapping use another one of the M3U fields or do you need to remap channels each time you change the number and order of channels in the M3U? I am hoping a DEV might be able to answer this. I've suggested this product to some friends but I wanted to understand how this will function for them.