Reapply "Fix stats chain (#487)"

This reverts commit e4f089c.
livekit · Sep 22, 2024 · ec0f231 · ec0f231
1 parent 6bf46bb
commit ec0f231
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/Sources/LiveKit/Types/Statistics.swift b/Sources/LiveKit/Types/Statistics.swift
@@ -562,7 +562,8 @@ public class InboundRtpStreamStatistics: ReceivedRtpStreamStatistics {
     public let retransmittedPacketsReceived: UInt64?
     public let retransmittedBytesReceived: UInt64?
 
-    public let previous: InboundRtpStreamStatistics?
+    // Weak reference to previous stat so we can compare later.
+    public weak var previous: InboundRtpStreamStatistics?
 
     init?(id: String,
           timestamp: Double,
@@ -707,7 +708,8 @@ public class OutboundRtpStreamStatistics: SentRtpStreamStatistics {
     public let active: Bool?
     public let scalabilityMode: String?
 
-    public let previous: OutboundRtpStreamStatistics?
+    // Weak reference to previous stat so we can compare later.
+    public weak var previous: OutboundRtpStreamStatistics?
 
     init?(id: String,
           timestamp: Double,