syntax = "proto3"; package livekit;option go_package = "github.com/livekit/protocol/livekit";option csharp_namespace = "LiveKit.Proto";option ruby_package = "LiveKit::Proto"; import "google/protobuf/timestamp.proto";import "livekit_egress.proto"; message Room {  string sid = 1;  string name = 2;  uint32 empty_timeout = 3;  uint32 max_participants = 4;  int64 creation_time = 5;  string turn_password = 6;  repeated Codec enabled_codecs = 7;  string metadata = 8;  uint32 num_participants = 9;  bool active_recording = 10;} // room info that should not be returned to clientsmessage RoomInternal {  AutoTrackEgress track_egress = 1;} message AutoTrackEgress {  string file_prefix = 1;  oneof output {    S3Upload s3 = 2;    GCPUpload gcp = 3;    AzureBlobUpload azure = 4;  }} message Codec {  string mime = 1;  string fmtp_line = 2;} message ParticipantPermission {  // allow participant to subscribe to other tracks in the room  bool can_subscribe = 1;  // allow participant to publish new tracks to room  bool can_publish = 2;  // allow participant to publish data  bool can_publish_data = 3;  // indicates that it's hidden to others  bool hidden = 7;  // indicates it's a recorder instance  bool recorder = 8;} message ParticipantInfo {  enum State {    // websocket' connected, but not offered yet    JOINING = 0;    // server received client offer    JOINED = 1;    // ICE connectivity established    ACTIVE = 2;    // WS disconnected    DISCONNECTED = 3;  }  string sid = 1;  string identity = 2;  State state = 3;  repeated TrackInfo tracks = 4;  string metadata = 5;  // timestamp when participant joined room, in seconds  int64 joined_at = 6;  string name = 9;  uint32 version = 10;  ParticipantPermission permission = 11;  string region = 12;  // indicates the participant has an active publisher connection  // and can publish to the server  bool is_publisher = 13;} enum TrackType {  AUDIO = 0;  VIDEO = 1;  DATA = 2;} enum TrackSource {  UNKNOWN = 0;  CAMERA = 1;  MICROPHONE = 2;  SCREEN_SHARE = 3;  SCREEN_SHARE_AUDIO = 4;} message SimulcastCodecInfo {  string mime_type = 1;  string mid = 2;  string cid = 3;  repeated VideoLayer layers = 4;} message TrackInfo {  string sid = 1;  TrackType type = 2;  string name = 3;  bool muted = 4;  // original width of video (unset for audio)  // clients may receive a lower resolution version with simulcast  uint32 width = 5;  // original height of video (unset for audio)  uint32 height = 6;  // true if track is simulcasted  bool simulcast = 7;  // true if DTX (Discontinuous Transmission) is disabled for audio  bool disable_dtx = 8;  // source of media  TrackSource source = 9;  repeated VideoLayer layers = 10;  // mime type of codec  string mime_type = 11;  string mid = 12;  repeated SimulcastCodecInfo codecs = 13;} enum VideoQuality {  LOW = 0;  MEDIUM = 1;  HIGH = 2;  OFF = 3;} // provide information about available spatial layersmessage VideoLayer {  // for tracks with a single layer, this should be HIGH  VideoQuality quality = 1;  uint32 width = 2;  uint32 height = 3;  // target bitrate, server will measure actual  uint32 bitrate = 4;  uint32 ssrc = 5;} // new DataPacket APImessage DataPacket {  enum Kind {    RELIABLE = 0;    LOSSY = 1;  }  Kind kind = 1;  oneof value {    UserPacket user = 2;    ActiveSpeakerUpdate speaker = 3;  }} message ActiveSpeakerUpdate {  repeated SpeakerInfo speakers = 1;} message SpeakerInfo {  string sid = 1;  // audio level, 0-1.0, 1 is loudest  float level = 2;  // true if speaker is currently active  bool active = 3;} message UserPacket {  // participant ID of user that sent the message  string participant_sid = 1;  // user defined payload  bytes payload = 2;  // the ID of the participants who will receive the message (the message will be sent to all the people in the room if this variable is empty)  repeated string destination_sids = 3;} enum ConnectionQuality {  POOR = 0;  GOOD = 1;  EXCELLENT = 2;} message ParticipantTracks {  // participant ID of participant to whom the tracks belong  string participant_sid = 1;  repeated string track_sids = 2;} // details about the servermessage ServerInfo {  enum Edition {    Standard = 0;    Cloud = 1;  }  Edition edition = 1;  string version = 2;  int32 protocol = 3;  string region = 4;  string node_id = 5;  // additional debugging information. sent only if server is in development mode  string debug_info = 6;} // details about the clientmessage ClientInfo {  enum SDK {     UNKNOWN = 0;     JS = 1;     SWIFT = 2;     ANDROID = 3;     FLUTTER = 4;     GO = 5;     UNITY = 6;  }   SDK sdk = 1;  string version = 2;  int32 protocol = 3;  string os = 4;  string os_version = 5;  string device_model = 6;  string browser = 7;  string browser_version = 8;  string address = 9;  // wifi, wired, cellular, vpn, empty if not known  string network = 10;} // server provided client configurationmessage ClientConfiguration {  VideoConfiguration video = 1;  VideoConfiguration screen = 2;   ClientConfigSetting resume_connection = 3;  DisabledCodecs disabled_codecs = 4;  ClientConfigSetting force_relay = 5;} enum ClientConfigSetting {  UNSET = 0;  DISABLED = 1;  ENABLED = 2;} message VideoConfiguration {  ClientConfigSetting hardware_encoder = 1;} message DisabledCodecs {  repeated Codec codecs = 1;} enum DisconnectReason {  UNKNOWN_REASON = 0;  CLIENT_INITIATED = 1;  DUPLICATE_IDENTITY = 2;  SERVER_SHUTDOWN = 3;  PARTICIPANT_REMOVED = 4;  ROOM_DELETED = 5;  STATE_MISMATCH = 6;  JOIN_FAILURE = 7;} message RTPStats {  google.protobuf.Timestamp start_time = 1;  google.protobuf.Timestamp end_time = 2;  double duration = 3;   uint32 packets = 4;  double packet_rate = 5;   uint64 bytes = 6;  uint64 header_bytes = 39;  double bitrate = 7;   uint32 packets_lost = 8;  double packet_loss_rate = 9;  float packet_loss_percentage = 10;   uint32 packets_duplicate = 11;  double packet_duplicate_rate = 12;   uint64 bytes_duplicate = 13;  uint64 header_bytes_duplicate = 40;  double bitrate_duplicate = 14;   uint32 packets_padding = 15;  double packet_padding_rate = 16;   uint64 bytes_padding = 17;  uint64 header_bytes_padding = 41;  double bitrate_padding = 18;   uint32 packets_out_of_order = 19;   uint32 frames = 20;  double frame_rate = 21;   double jitter_current = 22;  double jitter_max = 23;   map<int32, uint32> gap_histogram = 24;   uint32 nacks = 25;  uint32 nack_acks = 37;  uint32 nack_misses = 26;  uint32 nack_repeated = 38;   uint32 plis = 27;  google.protobuf.Timestamp last_pli = 28;   uint32 firs = 29;  google.protobuf.Timestamp last_fir = 30;   uint32 rtt_current = 31;  uint32 rtt_max = 32;   uint32 key_frames = 33;  google.protobuf.Timestamp last_key_frame = 34;   uint32 layer_lock_plis = 35;  google.protobuf.Timestamp last_layer_lock_pli = 36;} message TimedVersion {  int64 unix_micro = 1;  int32 ticks = 2;}