Tentative first pass at making simulcast egest possible

webrtc/src/peer_connection/peer_connection_internal.rs

@@ -1542,7 +1542,9 @@ impl PeerConnectionInternal {
 
             let encodings = sender.track_encodings.read().await;
             for e in encodings.iter() {
-                let track_id = track.id().to_string();
+                let track_id = track.rid().map_or(track.id().to_string(), |rid| {
+                    track.id().to_string() + "-" + rid.as_str()
+                });
                 track_infos.push(TrackInfo {
                     track_id,
                     ssrc: e.ssrc,

webrtc/src/track/track_local/mod.rs

@@ -38,6 +38,17 @@ pub struct TrackLocalContext {
     pub(crate) rtcp_reader: Option<Arc<dyn RTCPReader + Send + Sync>>,
 }
 
+impl std::fmt::Debug for TrackLocalContext {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("TrackLocalContext")
+            .field("id", &self.id)
+            .field("params", &self.params)
+            .field("ssrc", &self.ssrc)
+            .field("write_stream", &self.write_stream)
+            .finish()
+    }
+}
+
 impl TrackLocalContext {
     /// codec_parameters returns the negotiated RTPCodecParameters. These are the codecs supported by both
     /// PeerConnections and the SSRC/PayloadTypes