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AMWA-TV / bcp-004-01

AMWA BCP-004-01 NMOS Receiver Capabilities
https://specs.amwa.tv/bcp-004-01
Apache License 2.0
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meta: add an enabled/disabled flag for constraint sets #12

Closed andrewbonney closed 4 years ago

andrewbonney commented 4 years ago

Early in the activity we noted that some Receivers may have offline capabilities which cannot be accessed without out of band configuration. This PR adds a proposal to allow capability sets to be marked as enabled or disabled (with an implicit enable if unspecified). This way offline (or latent) capabilities can be identified by a controller.

It seems important to consider this now as adding this mechanism at a later date could adversely impact controllers which are unaware of the semantics.

One alternative would be to use urn:x-nmos:cap:meta:offline as opposed to urn:x-nmos:cap:meta:enabled.

jasperpeeters commented 4 years ago

I missed the early stage of this activity, but this makes good sense in my eyes. Might be handy to know as a controller that something can be realized, but requires extra action.

I personally would prefer urn:x-nmos:cap:meta:enabled. This might be functionality which can be activated with proprietary control systems etc. and does not imply something offline.