RTCEngine and SignalClient

2021-07-20 15:38:30 -07:00
parent 941bbbdc32
commit b28466842f
8 changed files with 544 additions and 89 deletions
@@ -0,0 +1,26 @@
+import 'package:flutter_webrtc/flutter_webrtc.dart';
+
+/// a wrapper around PeerConnection
+class PCTransport {
+  RTCPeerConnection pc;
+  List<RTCIceCandidate> pendingCandidates = [];
+  bool restartingIce = false;
+
+  PCTransport(this.pc);
+
+  Future<void> setRemoteDescription(RTCSessionDescription sd) async {
+    await pc.setRemoteDescription(sd);
+
+    Future.forEach<RTCIceCandidate>(pendingCandidates, (candidate) async {
+      await pc.addCandidate(candidate);
+    });
+  }
+
+  Future<void> addIceCandidate(RTCIceCandidate candidate) async {
+    var desc = await pc.getRemoteDescription();
+    if (desc != null && !restartingIce) {
+      return pc.addCandidate(candidate);
+    }
+    pendingCandidates.add(candidate);
+  }
+}