From 380051ab07d799b99698d08325bf7690ea92073a Mon Sep 17 00:00:00 2001
From: cloudwebrtc <duanweiwei1982@gmail.com>
Date: Mon, 27 Feb 2023 20:59:38 +0800
Subject: [PATCH 1/2] fix: skip invalid candidate.

---
 lib/src/voip/call.dart | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lib/src/voip/call.dart b/lib/src/voip/call.dart
index 621a9b46..d79c5bc7 100644
--- a/lib/src/voip/call.dart
+++ b/lib/src/voip/call.dart
@@ -44,6 +44,15 @@ class Timeouts {
   static const delayBeforeOfferMs = 100;
 }
 
+extension RTCIceCandidateExt on RTCIceCandidate {
+  bool get isValid =>
+      sdpMLineIndex != null &&
+      sdpMid != null &&
+      candidate != null &&
+      sdpMid!.isNotEmpty &&
+      candidate!.isNotEmpty;
+}
+
 /// Wrapped MediaStream, used to adapt Widget to display
 class WrappedMediaStream {
   MediaStream? stream;
@@ -716,6 +725,12 @@ class CallSession {
         json['sdpMLineIndex']?.round() ?? 0,
       );
 
+      if (!candidate.isValid) {
+        Logs().w(
+            '[VOIP] onCandidatesReceived => skip invalid candidate $candidate');
+        continue;
+      }
+
       if (direction == CallDirection.kOutgoing &&
           pc != null &&
           await pc!.getRemoteDescription() == null) {

From f2e4126e0c3d99562b2fbae11ce49c010943150b Mon Sep 17 00:00:00 2001
From: cloudwebrtc <duanweiwei1982@gmail.com>
Date: Mon, 27 Feb 2023 21:02:30 +0800
Subject: [PATCH 2/2] chore: update.

---
 lib/src/voip/call.dart | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/src/voip/call.dart b/lib/src/voip/call.dart
index d79c5bc7..3a3f087e 100644
--- a/lib/src/voip/call.dart
+++ b/lib/src/voip/call.dart
@@ -49,7 +49,6 @@ extension RTCIceCandidateExt on RTCIceCandidate {
       sdpMLineIndex != null &&
       sdpMid != null &&
       candidate != null &&
-      sdpMid!.isNotEmpty &&
       candidate!.isNotEmpty;
 }