* ffi req
* handle req_id
* remaining room events
* fix
* Update ffi.proto
* use sid instead of info
* state -> stream_state
* "s"
* participant is optional on data received
* add ReleaseHandleRequest
* Update ffi.proto
* add DataPacketKind
* VideoSinkInfo
* append info
It looks nicer on the FFI languages
* wip
* keep it simple
* Update ffi.proto
* update server to latest proto
* to_i420
* i420_to_abgr
* to_argb
* add publications to ParticipantInfo
It'll be used when we join a Room
* cleanup + DisposeRequest
* fix compilation
* send the whole buffer info with to_i420
