cmmlrawsourcedllstuff.cpp

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00001 //===========================================================================
00002 //Copyright (C) 2003, 2004 Zentaro Kavanagh
00003 //
00004 //Redistribution and use in source and binary forms, with or without
00005 //modification, are permitted provided that the following conditions
00006 //are met:
00007 //
00008 //- Redistributions of source code must retain the above copyright
00009 //  notice, this list of conditions and the following disclaimer.
00010 //
00011 //- Redistributions in binary form must reproduce the above copyright
00012 //  notice, this list of conditions and the following disclaimer in the
00013 //  documentation and/or other materials provided with the distribution.
00014 //
00015 //- Neither the name of Zentaro Kavanagh nor the names of contributors 
00016 //  may be used to endorse or promote products derived from this software 
00017 //  without specific prior written permission.
00018 //
00019 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00020 //``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00021 //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00022 //PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
00023 //CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00024 //EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00025 //PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00026 //PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00027 //LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00028 //NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00029 //SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030 //===========================================================================
00031 #include "stdafx.h"
00032 #include "cmmlrawsourcedllstuff.h"
00033 
00034 
00035 
00036 
00037 extern "C" BOOL WINAPI DllEntryPoint(HINSTANCE, ULONG, LPVOID);
00038 BOOL APIENTRY DllMain(HANDLE hModule, DWORD dwReason, LPVOID lpReserved)
00039 {
00040     return DllEntryPoint((HINSTANCE)(hModule), dwReason, lpReserved);
00041 }
00042 
00043 
00044 //The folowing two functions do the registration and deregistration of the dll and it's contained com objects.
00045 STDAPI DllRegisterServer()
00046 {
00047         
00048         //TO DO::: Should we be releasing the filter mapper even when we return early ?
00049     HRESULT hr;
00050     IFilterMapper2* locFilterMapper = NULL;
00051         
00052     hr = AMovieDllRegisterServer2(TRUE);
00053         if (FAILED(hr)) {
00054                 
00055         return hr;
00056         }
00057         
00058         
00059 
00060     hr = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, IID_IFilterMapper2, (void **)&locFilterMapper);
00061 
00062         
00063         if (FAILED(hr)) {
00064         return hr;
00065         }
00066         
00067         hr = locFilterMapper->RegisterFilter(
00068                 CLSID_CMMLRawSourceFilter,                                              // Filter CLSID. 
00069                 L"CMML Raw Source Filter",                                                      // Filter name.
00070         NULL,                                                                           // Device moniker. 
00071         &CLSID_LegacyAmFilterCategory,                          // Direct Show general category
00072         L"CMML Raw Source Filter",                                                      // Instance data. ???????
00073         &CMMLRawSourceFilterReg                                                         // Pointer to filter information.
00074     );
00075 
00076 
00077         
00078     locFilterMapper->Release();
00079 
00080     return hr;
00081 
00082 }
00083 
00084 STDAPI DllUnregisterServer()
00085 {
00086         //This is not a general purpose function.
00087         //RegWrap::removeMediaDesc();
00088 
00089    HRESULT hr;
00090     IFilterMapper2* locFilterMapper = NULL;
00091 
00092     hr = AMovieDllRegisterServer2(FALSE);
00093         if (FAILED(hr)) {
00094                 
00095         return hr;
00096         }
00097  
00098     hr = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER,
00099             IID_IFilterMapper2, (void **)&locFilterMapper);
00100 
00101         if (FAILED(hr)) {
00102         return hr;
00103         }
00104         
00105 
00106     hr = locFilterMapper->UnregisterFilter(&CLSID_LegacyAmFilterCategory, 
00107             L"CMML Raw Source Filter", CLSID_CMMLRawSourceFilter);
00108 
00109         //
00110     locFilterMapper->Release();
00111     return hr;
00112 
00113 }

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