[Telepathy] Brainstorming new Call API

[Will Thompson]

Olivier Crête wrote:
> See:
> http://git.collabora.co.uk/?p=user/sjoerd/telepathy-spec.git;a=commitdiff;h=3b6c5e271660017cc751bdf4cd3fc46003b613f0

See also
http://people.freedesktop.org/~sjoerd/telepathy-spec-new_media_spec/spec/
for the human-readable version.

>> In Jingle, if Alice and Bob call each other at the same time, the call
>> with the lower session ID is meant to win. How do we represent this in
>> Telepathy? On the "losing" side, does the call that lost vanish, and
>> the new call pop up, or does the existing call silently morph into the
>> incoming one? Will thinks the desired user experience is that Alice
>> and Bob both click call, and then they're on a call with no further
>> interaction.
> 
> The UI should deal with this. Merging concurrent calls in the CM seems
> like asking for problems. In particular, for Jabber, the controlling
> mode is set according to who started the call. So Farsight needs to be
> restarted anyway.

Good answer. Okay, I guess the UI needs to deal. But Gabble should close
the channel that loses.

>> Content names: sometimes they're useful (your Jingle client might
>> helpfully call the projector stream "projector") and sometimes they're
>> not (your Jingle client might call it "video2"). No real way to
>> tell. Maybe Jingle should support extra information: <projector/>,
>> <webcam/>, etc. But we should expose the name we do have, so if the
>> client wants to apply some heuristic it can.
> 
> Do we supply a way for clients to name their Contents ?

Yup:
<http://people.freedesktop.org/~sjoerd/telepathy-spec-new_media_spec/spec/org.freedesktop.Telepathy.Channel.Type.Call.Draft.html#org.freedesktop.Telepathy.Channel.Type.Call.Draft.AddContent>

-- 
Will

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