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Message: <blockquote data-quote="ijourneaux" data-source="post: 792087" data-attributes="member: 114024">I have reread you comments I guess I still don't understand why the approahc you describ is the best. Perhaps I /we am are getting confused on the tuner channel versus guide channel.In my mind, tuner channels are are associated with tuner and and represent the channels that have been scanned in. So I think we can agree each tuner has it sets of channels. The SD plug in comes in and tries to associate a guide channel with each one of the tuner channels based on callsign and or channel number. Each tuner channel has one connection to a guide channel. Each guide channel can have several connections; one to each matching tuner channel on the individual tuners.  So far I think this is correct?Then the HD-PVR comes into the picture. It's tuner is the cablebox so you can't scan for the tuner channels. You have to provide them somehow. What is the best starting point for the list of "tuner" (in this case the tuner is the cable box) channels avaialble to the HD-PVR. I would argue that the best choice is all of the channels in SD listing. But that point is somewhat moot. Once the channels are created, they should be unique to the HD-PVR just as the scanned tuner channels are unique to the physical tuners.  There should never be a case, as you describe above where a physical tuner or HD-PVR tuner "share" tuning details.   I guess, no I absolutely, agree with you.  but I don't think that is what I am proposing.  Each tuner channel, be it a physical tuner channel on a conventiaonl tuner card or "virtual" (for lack of a better term) channel as in the HD-PVR has to be unique. So what is the best starting point for the lsit of "virtual" tuner channel availalbe to the HD-PVR. I would still argue that it is the total list of channels in the SD channel list.  From this starting point, you could delete any invalid channels. In my case, they are all valid.If this doesn't make sense, perhaps I am missing a structural "feature" of TVServer that prevents this from happening. I truely believe this is the way it works in SageTV, BeyondTV and the other opensource PVR balled NPVR (based on GBPVR).Just trying to understand.PS I went lookign for a guide on creating a compilable environment for MediaPortal. I found the wiki and can retrieve the sources.  Is the only option for a development environment Visual Studio?  I realize that the Express versions of C++ and C# don't have all of the features but I would ahve thought someone would have pulled together a gudie on how to do it if you didn't want to fork out the bucks for a full copy of Visual Studio.Take Care</blockquote>

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