From 2df6b4fdc3439ea42b043d38f859efb5d4bd4466 Mon Sep 17 00:00:00 2001
From: Arisotura <thetotalworm@gmail.com>
Date: Sun, 8 Aug 2021 14:27:57 +0200
Subject: Audio interpolation (#1176)

add audio interpolation (emulation improvement)
---
 src/SPU.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/SPU.h')

diff --git a/src/SPU.h b/src/SPU.h
index bbc48e5..055a766 100644
--- a/src/SPU.h
+++ b/src/SPU.h
@@ -31,6 +31,9 @@ void Stop();
 
 void DoSavestate(Savestate* file);
 
+// 0=none 1=linear 2=cosine 3=cubic
+void SetInterpolation(int type);
+
 void SetBias(u16 bias);
 
 void Mix(u32 dummy);
@@ -73,6 +76,7 @@ public:
     bool KeyOn;
     u32 Timer;
     s32 Pos;
+    s16 PrevSample[3];
     s16 CurSample;
     u16 NoiseVal;
 
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