Interactive 3D Spectrum Analyzer Visualization for Windows Media Player

///////////////////////////////////////////////////////////////////////////////
//  Copyright (c) 2009 Carlo McWhirter. All Rights Reserved.	
//  Copyright (c) 2009 Hyteq Systems. All Rights Reserved.	
//  
//  http://www.hyteq.com
//
//	Hyteq Systems Educational License
//
//  This file is part of WM3DSpectrum, also known as 3D Spectrum Analyzer for
//  Windows Media Player. This file, the project that this file is part of, and
//  the resulting compiled program files are intended to be used for educational
//  purposes only. Use of this file or this project for any non-educational or
//  non-observatory purpose is strictly prohibited without the express written 
//  consent of all of the copyright holders listed above.
//
//  This file may only be modified and later redistributed by one or more of the
//  copyright holders listed above. Suggestions for bug fixes, enhancements,
//  and other modifications must be sent directly to one of the copyright holders.
//  
//  This file may be modified without being redistributed by any recipient of 
//  this file provided the modifications are NOT intentionaly or unintentionaly 
//  directed toward malicious or illegal purposes, but, instead, toward educational
//  purposes only.
//
//	THIS SOFTWARE IS PROVIDED 'AS-IS', WITHOUT ANY EXPRESS OR IMPLIED
//  WARRANTY. IN NO EVENT WILL THE AUTHORS BE HELD LIABLE FOR ANY DAMAGES
//  ARISING FROM THE USE OF THIS SOFTWARE.
//
//  This notice may not be removed from this file or altered in any manner.
//
///////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "resource.h"
#include <initguid.h>
#include "wmpplug.h"
#include "WM3DSpectrum_h.h"
#include "WM3DSpectrum_i.c"
#include "WM3DSpectrum.h"


CComModule _Module;

BEGIN_OBJECT_MAP(ObjectMap)
OBJECT_ENTRY(CLSID_WM3DSpectrum, CWM3DSpectrum)
END_OBJECT_MAP()

/////////////////////////////////////////////////////////////////////////////
// DLL Entry Point

extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
    if (dwReason == DLL_PROCESS_ATTACH)
    {
        _Module.Init(ObjectMap, hInstance, &LIBID_WM3DSPECTRUMLib);
        DisableThreadLibraryCalls(hInstance);
    }
    else if (dwReason == DLL_PROCESS_DETACH)
        _Module.Term();
    return TRUE;    // ok
}

/////////////////////////////////////////////////////////////////////////////
// Used to determine whether the DLL can be unloaded by OLE

STDAPI DllCanUnloadNow(void)
{
    return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
}

/////////////////////////////////////////////////////////////////////////////
// Returns a class factory to create an object of the requested type

STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
    return _Module.GetClassObject(rclsid, riid, ppv);
}

/////////////////////////////////////////////////////////////////////////////
// DllRegisterServer - Adds entries to the system registry

STDAPI DllRegisterServer(void)
{
    // registers object, typelib and all interfaces in typelib

    HRESULT hr = _Module.RegisterServer();

    // Notify WMP that plugin has been added

    WMPNotifyPluginAddRemove();

    return hr;
}

/////////////////////////////////////////////////////////////////////////////
// DllUnregisterServer - Removes entries from the system registry

STDAPI DllUnregisterServer(void)
{
    HRESULT hr = _Module.UnregisterServer();

    // Notify WMP that plugin has been removed

    WMPNotifyPluginAddRemove();

    return hr;
}