Handle answers in stable state.

Don't break the stream, just ignore the SDP.
2021-01-19 23:30:01 +01:00
parent 14e99aa125
commit 9a5c8b6b43
1 changed files with 12 additions and 7 deletions
@@ -554,6 +554,10 @@ func gotAnswer(c *webClient, id string, sdp string) error {
 	if down == nil {
 		return ErrUnknownId
 	}
+
+	if down.pc.SignalingState() == webrtc.SignalingStateStable {
+		log.Printf("Got answer in stable state -- this shouldn't happen")
+	} else {
 		err := down.pc.SetRemoteDescription(webrtc.SessionDescription{
 			Type: webrtc.SDPTypeAnswer,
 			SDP:  sdp,
@@ -561,6 +565,7 @@ func gotAnswer(c *webClient, id string, sdp string) error {
 		if err != nil {
 			return err
 		}
+	}

 	for _, t := range down.tracks {
 		local := t.track.Codec()
@@ -571,7 +576,7 @@ func gotAnswer(c *webClient, id string, sdp string) error {
 		}
 	}

-	err = down.flushICECandidates()
+	err := down.flushICECandidates()
 	if err != nil {
 		log.Printf("ICE: %v", err)
 	}