From 913be3c631b40f87bb8f190e95b75eb4522c8a6d Mon Sep 17 00:00:00 2001
From: "j.foucher" <j.foucher@polymorph.fr>
Date: Mon, 2 Mar 2026 14:28:18 +0100
Subject: [PATCH] Add server-side Opus encoding diagnostic logs

Logs compressed audio size in HandleAudioReceived to diagnose
why MulticastReceiveAgentAudio (Unreliable) never reaches clients.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .../PS_AI_ConvAgent_ElevenLabsComponent.cpp       | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Private/PS_AI_ConvAgent_ElevenLabsComponent.cpp b/Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Private/PS_AI_ConvAgent_ElevenLabsComponent.cpp
index ad5e354..a2db8d2 100644
--- a/Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Private/PS_AI_ConvAgent_ElevenLabsComponent.cpp
+++ b/Unreal/PS_AI_Agent/Plugins/PS_AI_ConvAgent/Source/PS_AI_ConvAgent/Private/PS_AI_ConvAgent_ElevenLabsComponent.cpp
@@ -648,8 +648,23 @@ void UPS_AI_ConvAgent_ElevenLabsComponent::HandleAudioReceived(const TArray<uint
 		{
 			TArray<uint8> CompressedData;
 			CompressedData.Append(OpusWorkBuffer.GetData(), CompressedSize);
+
+			if (bDebug)
+			{
+				UE_LOG(LogPS_AI_ConvAgent_ElevenLabs, Log,
+					TEXT("[NET-SRV] Multicasting Opus audio: %d bytes PCM → %d bytes Opus (%.1f:1 ratio)"),
+					PCMData.Num(), CompressedSize,
+					PCMData.Num() > 0 ? static_cast<float>(PCMData.Num()) / CompressedSize : 0.f);
+			}
+
 			MulticastReceiveAgentAudio(CompressedData);
 		}
+		else
+		{
+			UE_LOG(LogPS_AI_ConvAgent_ElevenLabs, Warning,
+				TEXT("[NET-SRV] Opus encode produced 0 bytes from %d bytes PCM — audio not sent."),
+				PCMData.Num());
+		}
 	}
 
 	// Server local playback (Listen Server is also a client).