From f549171ded911a3077240b4ca1a5c9b90fcd1bb2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miroslav=20=C5=A0ediv=C3=BD?= <sedivy.miro@gmail.com>
Date: Thu, 24 Mar 2022 21:48:51 +0100
Subject: [PATCH] opus useinbandfec.

---
 pkg/types/codec/codecs.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkg/types/codec/codecs.go b/pkg/types/codec/codecs.go
index 00071c04..cc8b9bd7 100644
--- a/pkg/types/codec/codecs.go
+++ b/pkg/types/codec/codecs.go
@@ -119,12 +119,12 @@ func Opus() RTPCodec {
 			MimeType:     webrtc.MimeTypeOpus,
 			ClockRate:    48000,
 			Channels:     2,
-			SDPFmtpLine:  "",
+			SDPFmtpLine:  "useinbandfec=1",
 			RTCPFeedback: []webrtc.RTCPFeedback{},
 		},
 		// https://gstreamer.freedesktop.org/documentation/opus/opusenc.html
 		// gstreamer1.0-plugins-base
-		Pipeline: "opusenc bitrate=128000",
+		Pipeline: "opusenc inband-fec=true bitrate=128000",
 	}
 }