livekit/proto/rtc.proto

syntax = "proto3";

package livekit;
option go_package = "github.com/livekit/livekit-server/proto/livekit";

import "model.proto";

message SignalRequest {
  oneof message {
    SessionDescription offer = 1;
    SessionDescription negotiate = 2;
    Trickle trickle = 3;
    MediaControl control = 4;
  }
}

message SignalResponse {
  oneof message {
    // sent when join is accepted
    JoinResponse join = 1;
    // sent when offer is answered
    SessionDescription answer = 2;
    // sent when a negotiated sd is available (could be either offer or answer)
    SessionDescription negotiate = 3;
    // sent when an ICE candidate is available
    Trickle trickle = 4;
    // sent when participants in the room has changed
    ParticipantUpdate update = 5;
  }
}

message Trickle {
  string candidateInit = 1;

}

message SessionDescription {
    string type = 1; // "answer" | "offer" | "pranswer" | "rollback"
    string sdp = 2;
}

message JoinResponse {
  ParticipantInfo participant = 1;
  repeated ParticipantInfo other_participants = 2;
}

message MediaControl {

}

message ParticipantUpdate {
  repeated ParticipantInfo participants = 1;
}