/// ICE 服务器配置（与 WebRTCController Android 端保持一致）。
///
/// 注意：TURN 用户名/密码为示例凭据，请按需替换为自己的服务器配置。
const List<Map<String, dynamic>> kIceServers = [
  {
    'urls': 'turn:175.178.213.60:3478',
    'username': 'fanhuitong',
    'credential': 'Fan19961207..',
  },
  {
    'urls': 'turn:192.168.5.224:3478',
    'username': 'tt',
    'credential': 'fht',
  },
  {'urls': 'stun:175.178.213.60:3478'},
  {'urls': 'stun:192.168.5.224:3478'},
  {'urls': 'stun:stun.l.google.com:19302'},
  {'urls': 'stun:stun1.l.google.com:19302'},
  {'urls': 'stun:stun2.l.google.com:19302'},
];

/// 信令 WebSocket 默认地址。
const String kDefaultSignalServer = 'ws://175.178.213.60:8088/ws/signal';

/// DataChannel 标签，控制端与被控端需一致。
const String kDataChannelLabel = 'control_channel';