From c5379425910b7831a6523160f836b19206f642d5 Mon Sep 17 00:00:00 2001
From: Sunny Deng <sunnydeng@microsoft.com>
Date: Mon, 2 Dec 2024 16:02:19 +0800
Subject: [PATCH] fix: should set _isSendingAudio to false after sending buffer

---
 .../RealtimeConversationSession.cs             | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/Custom/RealtimeConversation/RealtimeConversationSession.cs b/src/Custom/RealtimeConversation/RealtimeConversationSession.cs
index 960f817e..d1bb3d8f 100644
--- a/src/Custom/RealtimeConversation/RealtimeConversationSession.cs
+++ b/src/Custom/RealtimeConversation/RealtimeConversationSession.cs
@@ -139,9 +139,19 @@ public virtual async Task SendInputAudioAsync(BinaryData audio, CancellationToke
             _isSendingAudio = true;
         }
         // TODO: consider automatically limiting/breaking size of chunk (as with streaming)
-        InternalRealtimeClientEventInputAudioBufferAppend internalCommand = new(audio);
-        BinaryData requestData = ModelReaderWriter.Write(internalCommand);
-        await SendCommandAsync(requestData, cancellationToken.ToRequestOptions()).ConfigureAwait(false);
+        try
+        {
+            InternalRealtimeClientEventInputAudioBufferAppend internalCommand = new(audio);
+            BinaryData requestData = ModelReaderWriter.Write(internalCommand);
+            await SendCommandAsync(requestData, cancellationToken.ToRequestOptions()).ConfigureAwait(false);
+        }
+        finally
+        {
+            lock (_sendingAudioLock)
+            {
+                _isSendingAudio = false;
+            }
+        }
     }
 
     /// <summary>
@@ -354,4 +364,4 @@ public void Dispose()
     {
         WebSocket?.Dispose();
     }
-}
\ No newline at end of file
+}