EqualizerAPO.h

@@ -0,0 +1,81 @@
+/*
+	This file is part of EqualizerAPO, a system-wide equalizer.
+	Copyright (C) 2012  Jonas Thedering
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License along
+	with this program; if not, write to the Free Software Foundation, Inc.,
+	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+
+#include <Unknwn.h>
+#include <audioenginebaseapo.h>
+#include <BaseAudioProcessingObject.h>
+#include "ParametricEQ.h"
+
+class INonDelegatingUnknown
+{
+	virtual HRESULT __stdcall NonDelegatingQueryInterface(const IID& iid, void** ppv) = 0;
+	virtual ULONG __stdcall NonDelegatingAddRef() = 0;
+	virtual ULONG __stdcall NonDelegatingRelease() = 0;
+};
+
+class __declspec(uuid("{EC1CC9CE-FAED-4822-828A-82A81A6F018F}")) EqualizerAPO 
+	: public CBaseAudioProcessingObject, public IAudioSystemEffects, public INonDelegatingUnknown
+{
+public:
+	EqualizerAPO(IUnknown* pUnkOuter);
+	virtual ~EqualizerAPO();
+
+	// IUnknown
+	virtual HRESULT __stdcall QueryInterface(const IID& iid, void** ppv);
+	virtual ULONG __stdcall AddRef();
+	virtual ULONG __stdcall Release();
+
+	// IAudioProcessingObject
+	virtual HRESULT __stdcall GetLatency(HNSTIME* pTime);
+	virtual HRESULT __stdcall Initialize(UINT32 cbDataSize, BYTE* pbyData);
+	virtual HRESULT __stdcall IsInputFormatSupported(IAudioMediaType* pOutputFormat,
+		IAudioMediaType* pRequestedInputFormat, IAudioMediaType** ppSupportedInputFormat);
+
+	// IAudioProcessingObjectRT
+	virtual void __stdcall APOProcess(UINT32 u32NumInputConnections,
+		APO_CONNECTION_PROPERTY** ppInputConnections, UINT32 u32NumOutputConnections,
+		APO_CONNECTION_PROPERTY** ppOutputConnections);
+
+	// IAudioProcessingObjectConfiguration
+	virtual HRESULT __stdcall LockForProcess(UINT32 u32NumInputConnections,
+		APO_CONNECTION_DESCRIPTOR** ppInputConnections, UINT32 u32NumOutputConnections,
+		APO_CONNECTION_DESCRIPTOR** ppOutputConnections);
+    virtual HRESULT __stdcall UnlockForProcess(void);
+
+	// INonDelegatingUnknown
+	virtual HRESULT __stdcall NonDelegatingQueryInterface(const IID& iid, void** ppv);
+	virtual ULONG __stdcall NonDelegatingAddRef();
+	virtual ULONG __stdcall NonDelegatingRelease();
+
+	static long instCount;
+	static const CRegAPOProperties<1> regProperties;
+
+private:
+	long refCount;
+	IUnknown* pUnkOuter;
+	ParametricEQ peq;
+
+	void resetChild();
+
+	IAudioProcessingObject* childAPO;
+	IAudioProcessingObjectRT* childRT;
+	IAudioProcessingObjectConfiguration* childCfg;
+};