From c1ad639f7ac63c86196e4a7de7e65fddf9bf39c3 Mon Sep 17 00:00:00 2001
From: sin365 <353374337@qq.com>
Date: Mon, 17 Nov 2025 16:28:22 +0800
Subject: [PATCH] =?UTF-8?q?MAME:DSP=20=E6=8C=87=E9=92=88=E8=AE=A1=E7=AE=97?=
 =?UTF-8?q?=EF=BC=8C=E9=81=BF=E5=85=8D=E4=B8=8B=E6=A0=87=E5=86=8D=E6=AC=A1?=
 =?UTF-8?q?=E8=AE=A1=E7=AE=97=E6=8C=87=E9=92=88?=
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---
 .../UniInterface/UniSoundPlayer.cs            | 26 +++++++++++--------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/Emulator/MameEmulator/UniInterface/UniSoundPlayer.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/Emulator/MameEmulator/UniInterface/UniSoundPlayer.cs
index 52579a62..62f011af 100644
--- a/AxibugEmuOnline.Client/Assets/Script/AppMain/Emulator/MameEmulator/UniInterface/UniSoundPlayer.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/Emulator/MameEmulator/UniInterface/UniSoundPlayer.cs
@@ -100,23 +100,27 @@ public class UniSoundPlayer : MonoBehaviour, ISoundPlayer /*, AxiAudioPull*/
         }
     }
 
-    void OnAudioFilterRead(float[] data, int channels)
+    unsafe void OnAudioFilterRead(float[] data, int channels)
     {
         if (!UMAME.bInGame) return;
         int step = channels;
-        for (int i = 0; i < data.Length; i += step)
+        int length = data.Length;
+        fixed (float* dataptr = &data[0])
         {
-            float rawFloat = lastData;
-            float rawData;
-            if (_buffer.TryRead(out rawData))
+            float* dataptr_index = &dataptr[0];
+            for (int i = 0; i < length; i += step)
             {
-                rawFloat = rawData;
+                float rawFloat = lastData;
+                float rawData;
+                if (_buffer.TryRead(out rawData))
+                    rawFloat = rawData;
+                for (int fill = 0; fill < step; fill++)
+                {
+                    *dataptr_index = rawFloat;
+                    dataptr_index++;
+                }
+                lastData = rawFloat;
             }
-
-            data[i] = rawFloat;
-            for (int fill = 1; fill < step; fill++)
-                data[i + fill] = rawFloat;
-            lastData = rawFloat;
         }
     }