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NEW: Zone Sync 2 [Old instructions]

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mattkhan:
curiously I had changed this setup so that I just had a simple server with 1 client relationship and was attempting to link a server zone with a client zone. I imported a single test track to that library, played that file, one side played it ok, the other complained about a missing library entry and failed. I then looked on my usual server (which should not have been involved in this chain at all) and it was showing the same error message. This means the server was actually involved after all. I don't know why as neither client had that library loaded. I suspect the issue with the client option (show servers zones on client) might be involved.

Is there any way to get MC to print out the network topology? It seems quite confusing atm as you don't seem able to actually pick and choose places to play to/from (rather you have to set various options to get zones to show up on remote MC instances and then that introduces the possibility of a kind of mesh network that you can't directly control).

mattkhan:

--- Quote from: mattkhan on March 18, 2018, 08:46:33 am ---actually this only seems to happen with the 24 clients or possibly it is a windows thing. I have 1 23 linux instance left and that one does get added/removed from the zone lists as soon as I check/uncheck that option. I'll try a 24 linux client later to see if it is an OS thing or not.

--- End quote ---
tried this with a 24.0.2 linux client and checking/unchecking that box affects the other MC instances rapidly (within a second) so seems more of a windows thing than an 23 v 24 thing

btw unchecking the "show playback zones from the server on the client option" seems to rarely work, they just stay in the list  (and similarly, on other occasions, checking it has no effect)

AndrewFG:

--- Quote from: JohnT on March 15, 2018, 11:32:55 am ---Thanks Andrew.  Do you have or know of a device that supports that PlaySync command?  I'd like to get hold of one and test it out.  It would be trivial to modify the DLNA commands we're using if we decide to support that standard, the hard part for now is getting the system working well in a variety of environments and playback scenarios.

--- End quote ---

John, it just occurred to me that I have a copy of the official UPNP certification test application (albeit an old version) and this includes the test suites for AVTransport versions 1, 2, and 3 of which AVT:2 and AVT:3 include the SyncPlay command. And I am sure that UPNP.org would not mind too much if I were to “lend” you my copy of this — all in the interests of furthering the take up of the technology. Please PM me if you are interested..

JohnT:

--- Quote from: AndrewFG on March 21, 2018, 02:11:04 pm ---John, it just occurred to me that I have a copy of the official UPNP certification test application ....
 Please PM me if you are interested..

--- End quote ---
PM sent.  Thanks!

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