oggdllstuff.cpp

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//===========================================================================
//Copyright (C) 2003, 2004, 2005 Zentaro Kavanagh
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions
//are met:
//
//- Redistributions of source code must retain the above copyright
//  notice, this list of conditions and the following disclaimer.
//
//- Redistributions in binary form must reproduce the above copyright
//  notice, this list of conditions and the following disclaimer in the
//  documentation and/or other materials provided with the distribution.
//
//- Neither the name of Zentaro Kavanagh nor the names of contributors 
//  may be used to endorse or promote products derived from this software 
//  without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
//PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
//CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
//EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
//PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
//PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
//LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
//NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//===========================================================================
#include "stdafx.h"
#include "oggdllstuff.h"
#include "RegWrap.h"

//#define DONT_TOUCH_REGISTRY


extern "C" BOOL WINAPI DllEntryPoint(HINSTANCE, ULONG, LPVOID);
BOOL APIENTRY DllMain(HANDLE hModule, DWORD dwReason, LPVOID lpReserved)
{
    return DllEntryPoint((HINSTANCE)(hModule), dwReason, lpReserved);
}


//The folowing two functions do the registration and deregistration of the dll and it's contained com objects.
STDAPI DllRegisterServer()
{
        
        //TO DO::: Should we be releasing the filter mapper even when we return early ?
    HRESULT hr;
    IFilterMapper2* locFilterMapper = NULL;
        
    hr = AMovieDllRegisterServer2(TRUE);
        if (FAILED(hr)) {
                
        return hr;
        }
        
        

    hr = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, IID_IFilterMapper2, (void **)&locFilterMapper);

        
        if (FAILED(hr)) {
        return hr;
        }
        
        hr = locFilterMapper->RegisterFilter(
                CLSID_OggDemuxPacketSourceFilter,                                               // Filter CLSID. 
                L"Ogg Demux Packet Source Filter",                                                      // Filter name.
        NULL,                                                                           // Device moniker. 
        &CLSID_LegacyAmFilterCategory,                          // Direct Show general category
        L"Ogg Demux Packet Source Filter",                                                      // Instance data. ???????
        &OggDemuxPacketSourceFilterReg                                                          // Pointer to filter information.
    );

#if (!defined(DONT_TOUCH_REGISTRY))
        //Only call once... if you need multiple you have to fix the hack job in RegWrap !
        RegWrap::addMediaPlayerDesc("Ogg File",  "*.ogg;*.ogv;*.oga;*.spx");
        RegWrap::deleteKeyRecurse(HKEY_CLASSES_ROOT, ".OGG", "ShellEx");
#endif




    locFilterMapper->Release();

    return hr;

}

STDAPI DllUnregisterServer()
{
#if (!defined(DONT_TOUCH_REGISTRY))
        //This is not a general purpose function.
        RegWrap::removeMediaDesc();
#endif
   HRESULT hr;
    IFilterMapper2* locFilterMapper = NULL;

    hr = AMovieDllRegisterServer2(FALSE);
        if (FAILED(hr)) {
                
        return hr;
        }
 
    hr = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER,
            IID_IFilterMapper2, (void **)&locFilterMapper);

        if (FAILED(hr)) {
        return hr;
        }
        

    hr = locFilterMapper->UnregisterFilter(&CLSID_LegacyAmFilterCategory, 
            L"Ogg Demux Packet Source Filter", CLSID_OggDemuxPacketSourceFilter);

        //
    locFilterMapper->Release();
    return hr;

}

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