livekit, livekit-ffi: Update to v2 APIs

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highly wip, went through the migration notes and the v1.15.7..v2.0.0 commit log for client-sdk-js and made some API changes. doesn't include any non-API-breaking change from client-sdk-js, nor any API additions from versions later than 2.0.0.

builds fine, but untested, couldn't get any of the examples to work even on main (perhaps my NixOS/Wayland system is confusing)

• DataPacket now uses reliable: bool and not kind: DataPacketKind
• get_track → get_track_publication etc
• participants → remote_participants
• VideoQuality::OFF removal couldn't find any mentions of VideoQuality::OFF here in the realtime SDK
• async sid()
• update Cargo.toml versions in affected crates

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looking into pub fn sid(&self) further i don't think there is much reason for having it asynchronous, as Room::connect already awaits the join response that includes the SID

[lukasIO]

The async Sid for room is due to the fact that the sid returned in the join response could still be empty

edit: this is how we handle it for the js-client today

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pushed an async sid() proof of concept, if you could review the general idea while i work out the kinks

• added sid_rx and sid_tx oneshot channel to RoomSession
• sid_tx is wrapped in an Option because it. works. and it didn't work without it ¯\_(ツ)_/¯
• impl Debug for Room and impl From<&FfiRoom> for proto::RoomInfo are both functions dependent on sid() that can't be async, dunno how to figure that out fixed with #[tokio::main]

[theomonnom]

Nice, lgtm, have you been able to test the changes?

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unfortunately i wasn't able to run any of the sample code in the examples directories, even under the main branch. might have something to do with my linux distro + display server combo, but that's outside the scope of this PR

[theomonnom]

Can you try an example that doesn't use any display env? Like compiling livekit_ffi and trying it on Python/Node

[nbsp]

Can you try an example that doesn't use any display env? Like compiling livekit_ffi and trying it on Python/Node

confirmed working with python-sdks/examples/basic_room.py, with minor changes to the Participant class (kind → reliable)

[theomonnom]

ok nice lgtm!