From 298ebaee7874867d786b6093fa032a3a1488ac9f Mon Sep 17 00:00:00 2001
From: cnderrauber <zengjie9004@gmail.com>
Date: Thu, 4 May 2023 15:14:20 +0800
Subject: [PATCH] Suppress error log of setPrefferedCodec for simulcast codec
 track (#1682)

---
 pkg/rtc/mediatrack.go      | 1 +
 pkg/rtc/participant_sdp.go | 9 ++++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkg/rtc/mediatrack.go b/pkg/rtc/mediatrack.go
index f492930e3..4095013fa 100644
--- a/pkg/rtc/mediatrack.go
+++ b/pkg/rtc/mediatrack.go
@@ -190,6 +190,7 @@ func (t *MediaTrack) SetPendingCodecSid(codecs []*livekit.SimulcastCodec) {
 		}
 	}
 	t.params.TrackInfo = ti
+	t.MediaTrackReceiver.UpdateTrackInfo(ti)
 }
 
 // AddReceiver adds a new RTP receiver to the track, returns true when receiver represents a new codec
diff --git a/pkg/rtc/participant_sdp.go b/pkg/rtc/participant_sdp.go
index 524a487fb..427c846a5 100644
--- a/pkg/rtc/participant_sdp.go
+++ b/pkg/rtc/participant_sdp.go
@@ -112,8 +112,15 @@ func (p *ParticipantImpl) setCodecPreferencesVideoForPublisher(offer webrtc.Sess
 			continue
 		}
 
+		var info *livekit.TrackInfo
 		p.pendingTracksLock.RLock()
-		_, info := p.getPendingTrack(streamID, livekit.TrackType_VIDEO)
+		mt := p.getPublishedTrackBySdpCid(streamID)
+		if mt != nil {
+			info = mt.ToProto()
+		} else {
+			_, info = p.getPendingTrack(streamID, livekit.TrackType_VIDEO)
+		}
+
 		if info == nil {
 			p.pendingTracksLock.RUnlock()
 			continue