feat: 初步添加直播弹幕支持

pick from cf87904fc6

opt: live danmaku style

lib/models/live/danmu_info.dart

@@ -0,0 +1,75 @@
+import 'dart:developer';
+
+class LiveDanmakuInfo {
+  String message;
+  int ttl, code;
+  DanmakuInfoData data;
+  LiveDanmakuInfo(
+      {required this.code,
+      required this.message,
+      required this.ttl,
+      required this.data});
+
+  @override
+  String toString() {
+    return 'LiveDanmakuInfo{code: $code, message: $message, ttl: $ttl, data: $data}';
+  }
+
+  factory LiveDanmakuInfo.fromJson(dynamic json) {
+    List<HostInfo> hostList = [];
+    for (var host in json['data']['host_list']) {
+      hostList.add(HostInfo(
+          host: host['host'],
+          port: host['port'],
+          wssPort: host['wss_port'],
+          wsPort: host['ws_port']));
+    }
+    return LiveDanmakuInfo(
+        code: json['code'],
+        message: json['message'],
+        ttl: json['ttl'],
+        data: DanmakuInfoData(
+            group: json['data']['group'],
+            businessId: json['data']['business_id'],
+            ttl: json['data']['ttl'] ?? 0,
+            refreshRate: json['data']['refresh_rate'],
+            maxDelay: json['data']['max_delay'],
+            token: json['data']['token'],
+            hostList: hostList));
+  }
+}
+
+class DanmakuInfoData {
+  String group;
+  int businessId, ttl, refreshRate, maxDelay;
+  String token;
+  List<HostInfo> hostList;
+  DanmakuInfoData(
+      {required this.group,
+      required this.businessId,
+      required this.ttl,
+      required this.refreshRate,
+      required this.maxDelay,
+      required this.token,
+      required this.hostList});
+
+  @override
+  String toString() {
+    return 'DanmakuInfoData{group: $group, businessId: $businessId, ttl: $ttl, refreshRate: $refreshRate, maxDelay: $maxDelay, token: $token, hostList: $hostList}';
+  }
+}
+
+class HostInfo {
+  String host;
+  int port, wssPort, wsPort;
+  HostInfo(
+      {required this.host,
+      required this.port,
+      required this.wssPort,
+      required this.wsPort});
+
+  @override
+  String toString() {
+    return 'HostInfo{host: $host, port: $port, wssPort: $wssPort, wsPort: $wsPort}';
+  }
+}