Initial community commit

Src/external_dependencies/openmpt-trunk/sounddsp/AGC.h

@@ -0,0 +1,38 @@
+/*
+ * AGC.h
+ * -----
+ * Purpose: Automatic Gain Control
+ * Notes  : Ugh... This should really be removed at some point.
+ * Authors: Olivier Lapicque
+ *          OpenMPT Devs
+ * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
+ */
+
+#pragma once
+
+#include "openmpt/all/BuildSettings.hpp"
+
+
+OPENMPT_NAMESPACE_BEGIN
+
+
+#ifndef NO_AGC
+
+class CAGC
+{
+private:
+	UINT m_nAGC;
+	std::size_t m_nAGCRecoverCount;
+	UINT m_Timeout;
+public:
+	CAGC();
+	void Initialize(bool bReset, DWORD MixingFreq);
+public:
+	void Process(int *MixSoundBuffer, int *RearSoundBuffer, std::size_t count, std::size_t nChannels);
+	void Adjust(UINT oldVol, UINT newVol);
+};
+
+#endif // NO_AGC
+
+
+OPENMPT_NAMESPACE_END