From 1ec74d8569d6837c0eac0b8a06aeaf7e0f8469de Mon Sep 17 00:00:00 2001
From: Robert Ayrapetyan <robert.ayrapetyan@gmail.com>
Date: Tue, 22 Aug 2023 21:56:05 +0000
Subject: [PATCH] webrtcsink: fix TWCC extension adding

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1330>
---
 net/webrtc/src/webrtcsink/imp.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/webrtc/src/webrtcsink/imp.rs b/net/webrtc/src/webrtcsink/imp.rs
index 162b84d4..233a27d6 100644
--- a/net/webrtc/src/webrtcsink/imp.rs
+++ b/net/webrtc/src/webrtcsink/imp.rs
@@ -631,9 +631,12 @@ fn setup_encoding(
      * provide feedback for audio packets.
      */
     if twcc {
-        let twcc_extension = gst_rtp::RTPHeaderExtension::create_from_uri(RTP_TWCC_URI).unwrap();
-        twcc_extension.set_id(1);
-        pay.emit_by_name::<()>("add-extension", &[&twcc_extension]);
+        if let Some(twcc_extension) = gst_rtp::RTPHeaderExtension::create_from_uri(RTP_TWCC_URI) {
+            twcc_extension.set_id(1);
+            pay.emit_by_name::<()>("add-extension", &[&twcc_extension]);
+        } else {
+            anyhow::bail!("Failed to add TWCC extension, make sure 'gst-plugins-good:rtpmanager' is installed");
+        }
     }
 
     conv_filter.set_property("caps", conv_caps);