694 lines
18 KiB
C++
694 lines
18 KiB
C++
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//------------------------------------------------------------------------------
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// File: DllSetup.cpp
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//
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// Desc: DirectShow base classes.
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//
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// Copyright (c) 1992-2001 Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------------------------
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#include <streams.h>
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#include <strsafe.h>
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//---------------------------------------------------------------------------
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// defines
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#define MAX_KEY_LEN 260
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//---------------------------------------------------------------------------
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// externally defined functions/variable
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extern int g_cTemplates;
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extern CFactoryTemplate g_Templates[];
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//---------------------------------------------------------------------------
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//
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// EliminateSubKey
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//
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// Try to enumerate all keys under this one.
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// if we find anything, delete it completely.
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// Otherwise just delete it.
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//
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// note - this was pinched/duplicated from
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// Filgraph\Mapper.cpp - so should it be in
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// a lib somewhere?
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//
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//---------------------------------------------------------------------------
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STDAPI
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EliminateSubKey( HKEY hkey, LPCTSTR strSubKey )
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{
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HKEY hk;
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if (0 == lstrlen(strSubKey) ) {
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// defensive approach
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return E_FAIL;
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}
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LONG lreturn = RegOpenKeyEx( hkey
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, strSubKey
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, 0
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, MAXIMUM_ALLOWED
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, &hk );
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ASSERT( lreturn == ERROR_SUCCESS
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|| lreturn == ERROR_FILE_NOT_FOUND
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|| lreturn == ERROR_INVALID_HANDLE );
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if( ERROR_SUCCESS == lreturn )
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{
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// Keep on enumerating the first (zero-th)
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// key and deleting that
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for( ; ; )
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{
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TCHAR Buffer[MAX_KEY_LEN];
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DWORD dw = MAX_KEY_LEN;
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FILETIME ft;
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lreturn = RegEnumKeyEx( hk
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, 0
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, Buffer
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, &dw
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, NULL
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, NULL
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, NULL
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, &ft);
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ASSERT( lreturn == ERROR_SUCCESS
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|| lreturn == ERROR_NO_MORE_ITEMS );
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if( ERROR_SUCCESS == lreturn )
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{
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EliminateSubKey(hk, Buffer);
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}
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else
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{
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break;
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}
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}
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RegCloseKey(hk);
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RegDeleteKey(hkey, strSubKey);
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}
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return NOERROR;
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}
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//---------------------------------------------------------------------------
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//
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// AMovieSetupRegisterServer()
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//
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// registers specfied file "szFileName" as server for
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// CLSID "clsServer". A description is also required.
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// The ThreadingModel and ServerType are optional, as
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// they default to InprocServer32 (i.e. dll) and Both.
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//
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//---------------------------------------------------------------------------
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STDAPI
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AMovieSetupRegisterServer( CLSID clsServer
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, LPCWSTR szDescription
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, LPCWSTR szFileName
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, LPCWSTR szThreadingModel = L"Both"
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, LPCWSTR szServerType = L"InprocServer32" )
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{
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// temp buffer
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//
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TCHAR achTemp[MAX_PATH];
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// convert CLSID uuid to string and write
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// out subkey as string - CLSID\{}
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//
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OLECHAR szCLSID[CHARS_IN_GUID];
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HRESULT hr = StringFromGUID2( clsServer
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, szCLSID
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, CHARS_IN_GUID );
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ASSERT( SUCCEEDED(hr) );
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// create key
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//
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HKEY hkey;
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(void)StringCchPrintf( achTemp, NUMELMS(achTemp), TEXT("CLSID\\%ls"), szCLSID );
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LONG lreturn = RegCreateKey( HKEY_CLASSES_ROOT
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, (LPCTSTR)achTemp
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, &hkey );
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if( ERROR_SUCCESS != lreturn )
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{
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return AmHresultFromWin32(lreturn);
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}
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// set description string
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//
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(void)StringCchPrintf( achTemp, NUMELMS(achTemp), TEXT("%ls"), szDescription );
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lreturn = RegSetValue( hkey
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, (LPCTSTR)NULL
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, REG_SZ
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, achTemp
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, sizeof(achTemp) );
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if( ERROR_SUCCESS != lreturn )
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{
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RegCloseKey( hkey );
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return AmHresultFromWin32(lreturn);
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}
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// create CLSID\\{"CLSID"}\\"ServerType" key,
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// using key to CLSID\\{"CLSID"} passed back by
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// last call to RegCreateKey().
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//
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HKEY hsubkey;
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(void)StringCchPrintf( achTemp, NUMELMS(achTemp), TEXT("%ls"), szServerType );
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lreturn = RegCreateKey( hkey
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, achTemp
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, &hsubkey );
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if( ERROR_SUCCESS != lreturn )
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{
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RegCloseKey( hkey );
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return AmHresultFromWin32(lreturn);
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}
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// set Server string
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//
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(void)StringCchPrintf( achTemp, NUMELMS(achTemp), TEXT("%ls"), szFileName );
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lreturn = RegSetValue( hsubkey
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, (LPCTSTR)NULL
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, REG_SZ
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, (LPCTSTR)achTemp
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, sizeof(TCHAR) * (lstrlen(achTemp)+1) );
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if( ERROR_SUCCESS != lreturn )
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{
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RegCloseKey( hkey );
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RegCloseKey( hsubkey );
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return AmHresultFromWin32(lreturn);
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}
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(void)StringCchPrintf( achTemp, NUMELMS(achTemp), TEXT("%ls"), szThreadingModel );
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lreturn = RegSetValueEx( hsubkey
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, TEXT("ThreadingModel")
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, 0L
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, REG_SZ
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, (CONST BYTE *)achTemp
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, sizeof(TCHAR) * (lstrlen(achTemp)+1) );
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// close hkeys
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//
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RegCloseKey( hkey );
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RegCloseKey( hsubkey );
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// and return
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//
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return HRESULT_FROM_WIN32(lreturn);
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}
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//---------------------------------------------------------------------------
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//
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// AMovieSetupUnregisterServer()
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//
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// default ActiveMovie dll setup function
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// - to use must be called from an exported
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// function named DllRegisterServer()
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//
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//---------------------------------------------------------------------------
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STDAPI
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AMovieSetupUnregisterServer( CLSID clsServer )
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{
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// convert CLSID uuid to string and write
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// out subkey CLSID\{}
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//
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OLECHAR szCLSID[CHARS_IN_GUID];
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HRESULT hr = StringFromGUID2( clsServer
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, szCLSID
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, CHARS_IN_GUID );
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ASSERT( SUCCEEDED(hr) );
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TCHAR achBuffer[MAX_KEY_LEN];
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(void)StringCchPrintf( achBuffer, NUMELMS(achBuffer), TEXT("CLSID\\%ls"), szCLSID );
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// delete subkey
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//
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hr = EliminateSubKey( HKEY_CLASSES_ROOT, achBuffer );
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ASSERT( SUCCEEDED(hr) );
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// return
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//
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return NOERROR;
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}
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//---------------------------------------------------------------------------
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//
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// AMovieSetupRegisterFilter through IFilterMapper2
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//
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//---------------------------------------------------------------------------
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STDAPI
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AMovieSetupRegisterFilter2( const AMOVIESETUP_FILTER * const psetupdata
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, IFilterMapper2 * pIFM2
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, BOOL bRegister )
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{
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DbgLog((LOG_TRACE, 3, TEXT("= AMovieSetupRegisterFilter")));
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// check we've got data
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//
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if( NULL == psetupdata ) return S_FALSE;
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// unregister filter
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// (as pins are subkeys of filter's CLSID key
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// they do not need to be removed separately).
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//
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DbgLog((LOG_TRACE, 3, TEXT("= = unregister filter")));
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HRESULT hr = pIFM2->UnregisterFilter(
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0, // default category
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0, // default instance name
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*psetupdata->clsID );
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if( bRegister )
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{
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REGFILTER2 rf2;
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rf2.dwVersion = 1;
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rf2.dwMerit = psetupdata->dwMerit;
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rf2.cPins = psetupdata->nPins;
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rf2.rgPins = psetupdata->lpPin;
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// register filter
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//
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DbgLog((LOG_TRACE, 3, TEXT("= = register filter")));
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hr = pIFM2->RegisterFilter(*psetupdata->clsID
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, psetupdata->strName
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, 0 // moniker
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, 0 // category
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, NULL // instance
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, &rf2);
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}
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// handle one acceptable "error" - that
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// of filter not being registered!
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// (couldn't find a suitable #define'd
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// name for the error!)
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//
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if( 0x80070002 == hr)
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return NOERROR;
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else
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return hr;
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}
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//---------------------------------------------------------------------------
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//
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// RegisterAllServers()
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//
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//---------------------------------------------------------------------------
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STDAPI
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RegisterAllServers( LPCWSTR szFileName, BOOL bRegister )
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{
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HRESULT hr = NOERROR;
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for( int i = 0; i < g_cTemplates; i++ )
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{
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// get i'th template
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//
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const CFactoryTemplate *pT = &g_Templates[i];
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DbgLog((LOG_TRACE, 2, TEXT("- - register %ls"),
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(LPCWSTR)pT->m_Name ));
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// register CLSID and InprocServer32
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//
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if( bRegister )
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{
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hr = AMovieSetupRegisterServer( *(pT->m_ClsID)
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, (LPCWSTR)pT->m_Name
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, szFileName );
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}
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else
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{
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hr = AMovieSetupUnregisterServer( *(pT->m_ClsID) );
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}
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// check final error for this pass
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// and break loop if we failed
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//
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if( FAILED(hr) )
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break;
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}
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return hr;
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}
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//---------------------------------------------------------------------------
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//
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// AMovieDllRegisterServer2()
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//
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// default ActiveMovie dll setup function
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// - to use must be called from an exported
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// function named DllRegisterServer()
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//
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// this function is table driven using the
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// static members of the CFactoryTemplate
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// class defined in the dll.
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//
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// it registers the Dll as the InprocServer32
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// and then calls the IAMovieSetup.Register
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// method.
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//
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//---------------------------------------------------------------------------
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STDAPI
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AMovieDllRegisterServer2( BOOL bRegister )
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{
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HRESULT hr = NOERROR;
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DbgLog((LOG_TRACE, 2, TEXT("AMovieDllRegisterServer2()")));
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// get file name (where g_hInst is the
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// instance handle of the filter dll)
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//
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WCHAR achFileName[MAX_PATH];
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// WIN95 doesn't support GetModuleFileNameW
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//
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{
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char achTemp[MAX_PATH];
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DbgLog((LOG_TRACE, 2, TEXT("- get module file name")));
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// g_hInst handle is set in our dll entry point. Make sure
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// DllEntryPoint in dllentry.cpp is called
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ASSERT(g_hInst != 0);
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if( 0 == GetModuleFileNameA( g_hInst
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, achTemp
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, sizeof(achTemp) ) )
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{
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// we've failed!
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DWORD dwerr = GetLastError();
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return AmHresultFromWin32(dwerr);
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}
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MultiByteToWideChar( CP_ACP
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, 0L
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, achTemp
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, lstrlenA(achTemp) + 1
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, achFileName
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, NUMELMS(achFileName) );
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}
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//
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// first registering, register all OLE servers
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//
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if( bRegister )
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{
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DbgLog((LOG_TRACE, 2, TEXT("- register OLE Servers")));
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hr = RegisterAllServers( achFileName, TRUE );
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}
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//
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// next, register/unregister all filters
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//
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if( SUCCEEDED(hr) )
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{
|
||
|
|
// init is ref counted so call just in case
|
||
|
|
// we're being called cold.
|
||
|
|
//
|
||
|
|
DbgLog((LOG_TRACE, 2, TEXT("- CoInitialize")));
|
||
|
|
hr = CoInitialize( (LPVOID)NULL );
|
||
|
|
ASSERT( SUCCEEDED(hr) );
|
||
|
|
|
||
|
|
// get hold of IFilterMapper2
|
||
|
|
//
|
||
|
|
DbgLog((LOG_TRACE, 2, TEXT("- obtain IFilterMapper2")));
|
||
|
|
IFilterMapper2 *pIFM2 = 0;
|
||
|
|
IFilterMapper *pIFM = 0;
|
||
|
|
hr = CoCreateInstance( CLSID_FilterMapper2
|
||
|
|
, NULL
|
||
|
|
, CLSCTX_INPROC_SERVER
|
||
|
|
, IID_IFilterMapper2
|
||
|
|
, (void **)&pIFM2 );
|
||
|
|
if(FAILED(hr))
|
||
|
|
{
|
||
|
|
DbgLog((LOG_TRACE, 2, TEXT("- trying IFilterMapper instead")));
|
||
|
|
|
||
|
|
hr = CoCreateInstance(
|
||
|
|
CLSID_FilterMapper,
|
||
|
|
NULL,
|
||
|
|
CLSCTX_INPROC_SERVER,
|
||
|
|
IID_IFilterMapper,
|
||
|
|
(void **)&pIFM);
|
||
|
|
}
|
||
|
|
if( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
// scan through array of CFactoryTemplates
|
||
|
|
// registering servers and filters.
|
||
|
|
//
|
||
|
|
DbgLog((LOG_TRACE, 2, TEXT("- register Filters")));
|
||
|
|
for( int i = 0; i < g_cTemplates; i++ )
|
||
|
|
{
|
||
|
|
// get i'th template
|
||
|
|
//
|
||
|
|
const CFactoryTemplate *pT = &g_Templates[i];
|
||
|
|
|
||
|
|
if( NULL != pT->m_pAMovieSetup_Filter )
|
||
|
|
{
|
||
|
|
DbgLog((LOG_TRACE, 2, TEXT("- - register %ls"), (LPCWSTR)pT->m_Name ));
|
||
|
|
|
||
|
|
if(pIFM2)
|
||
|
|
{
|
||
|
|
hr = AMovieSetupRegisterFilter2( pT->m_pAMovieSetup_Filter, pIFM2, bRegister );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = AMovieSetupRegisterFilter( pT->m_pAMovieSetup_Filter, pIFM, bRegister );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// check final error for this pass
|
||
|
|
// and break loop if we failed
|
||
|
|
//
|
||
|
|
if( FAILED(hr) )
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// release interface
|
||
|
|
//
|
||
|
|
if(pIFM2)
|
||
|
|
pIFM2->Release();
|
||
|
|
else
|
||
|
|
pIFM->Release();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// and clear up
|
||
|
|
//
|
||
|
|
CoFreeUnusedLibraries();
|
||
|
|
CoUninitialize();
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// if unregistering, unregister all OLE servers
|
||
|
|
//
|
||
|
|
if( SUCCEEDED(hr) && !bRegister )
|
||
|
|
{
|
||
|
|
DbgLog((LOG_TRACE, 2, TEXT("- register OLE Servers")));
|
||
|
|
hr = RegisterAllServers( achFileName, FALSE );
|
||
|
|
}
|
||
|
|
|
||
|
|
DbgLog((LOG_TRACE, 2, TEXT("- return %0x"), hr));
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// AMovieDllRegisterServer()
|
||
|
|
//
|
||
|
|
// default ActiveMovie dll setup function
|
||
|
|
// - to use must be called from an exported
|
||
|
|
// function named DllRegisterServer()
|
||
|
|
//
|
||
|
|
// this function is table driven using the
|
||
|
|
// static members of the CFactoryTemplate
|
||
|
|
// class defined in the dll.
|
||
|
|
//
|
||
|
|
// it registers the Dll as the InprocServer32
|
||
|
|
// and then calls the IAMovieSetup.Register
|
||
|
|
// method.
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
|
||
|
|
STDAPI
|
||
|
|
AMovieDllRegisterServer( void )
|
||
|
|
{
|
||
|
|
HRESULT hr = NOERROR;
|
||
|
|
|
||
|
|
// get file name (where g_hInst is the
|
||
|
|
// instance handle of the filter dll)
|
||
|
|
//
|
||
|
|
WCHAR achFileName[MAX_PATH];
|
||
|
|
|
||
|
|
{
|
||
|
|
// WIN95 doesn't support GetModuleFileNameW
|
||
|
|
//
|
||
|
|
char achTemp[MAX_PATH];
|
||
|
|
|
||
|
|
if( 0 == GetModuleFileNameA( g_hInst
|
||
|
|
, achTemp
|
||
|
|
, sizeof(achTemp) ) )
|
||
|
|
{
|
||
|
|
// we've failed!
|
||
|
|
DWORD dwerr = GetLastError();
|
||
|
|
return AmHresultFromWin32(dwerr);
|
||
|
|
}
|
||
|
|
|
||
|
|
MultiByteToWideChar( CP_ACP
|
||
|
|
, 0L
|
||
|
|
, achTemp
|
||
|
|
, lstrlenA(achTemp) + 1
|
||
|
|
, achFileName
|
||
|
|
, NUMELMS(achFileName) );
|
||
|
|
}
|
||
|
|
|
||
|
|
// scan through array of CFactoryTemplates
|
||
|
|
// registering servers and filters.
|
||
|
|
//
|
||
|
|
for( int i = 0; i < g_cTemplates; i++ )
|
||
|
|
{
|
||
|
|
// get i'th template
|
||
|
|
//
|
||
|
|
const CFactoryTemplate *pT = &g_Templates[i];
|
||
|
|
|
||
|
|
// register CLSID and InprocServer32
|
||
|
|
//
|
||
|
|
hr = AMovieSetupRegisterServer( *(pT->m_ClsID)
|
||
|
|
, (LPCWSTR)pT->m_Name
|
||
|
|
, achFileName );
|
||
|
|
|
||
|
|
// instantiate all servers and get hold of
|
||
|
|
// IAMovieSetup, if implemented, and call
|
||
|
|
// IAMovieSetup.Register() method
|
||
|
|
//
|
||
|
|
if( SUCCEEDED(hr) && (NULL != pT->m_lpfnNew) )
|
||
|
|
{
|
||
|
|
// instantiate object
|
||
|
|
//
|
||
|
|
PAMOVIESETUP psetup;
|
||
|
|
hr = CoCreateInstance( *(pT->m_ClsID)
|
||
|
|
, 0
|
||
|
|
, CLSCTX_INPROC_SERVER
|
||
|
|
, IID_IAMovieSetup
|
||
|
|
, reinterpret_cast<void**>(&psetup) );
|
||
|
|
if( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
hr = psetup->Unregister();
|
||
|
|
if( SUCCEEDED(hr) )
|
||
|
|
hr = psetup->Register();
|
||
|
|
psetup->Release();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if( (E_NOINTERFACE == hr )
|
||
|
|
|| (VFW_E_NEED_OWNER == hr ) )
|
||
|
|
hr = NOERROR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// check final error for this pass
|
||
|
|
// and break loop if we failed
|
||
|
|
//
|
||
|
|
if( FAILED(hr) )
|
||
|
|
break;
|
||
|
|
|
||
|
|
} // end-for
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// AMovieDllUnregisterServer()
|
||
|
|
//
|
||
|
|
// default ActiveMovie dll uninstall function
|
||
|
|
// - to use must be called from an exported
|
||
|
|
// function named DllRegisterServer()
|
||
|
|
//
|
||
|
|
// this function is table driven using the
|
||
|
|
// static members of the CFactoryTemplate
|
||
|
|
// class defined in the dll.
|
||
|
|
//
|
||
|
|
// it calls the IAMovieSetup.Unregister
|
||
|
|
// method and then unregisters the Dll
|
||
|
|
// as the InprocServer32
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
STDAPI
|
||
|
|
AMovieDllUnregisterServer()
|
||
|
|
{
|
||
|
|
// initialize return code
|
||
|
|
//
|
||
|
|
HRESULT hr = NOERROR;
|
||
|
|
|
||
|
|
// scan through CFactory template and unregister
|
||
|
|
// all OLE servers and filters.
|
||
|
|
//
|
||
|
|
for( int i = g_cTemplates; i--; )
|
||
|
|
{
|
||
|
|
// get i'th template
|
||
|
|
//
|
||
|
|
const CFactoryTemplate *pT = &g_Templates[i];
|
||
|
|
|
||
|
|
// check method exists
|
||
|
|
//
|
||
|
|
if( NULL != pT->m_lpfnNew )
|
||
|
|
{
|
||
|
|
// instantiate object
|
||
|
|
//
|
||
|
|
PAMOVIESETUP psetup;
|
||
|
|
hr = CoCreateInstance( *(pT->m_ClsID)
|
||
|
|
, 0
|
||
|
|
, CLSCTX_INPROC_SERVER
|
||
|
|
, IID_IAMovieSetup
|
||
|
|
, reinterpret_cast<void**>(&psetup) );
|
||
|
|
if( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
hr = psetup->Unregister();
|
||
|
|
psetup->Release();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if( (E_NOINTERFACE == hr )
|
||
|
|
|| (VFW_E_NEED_OWNER == hr ) )
|
||
|
|
hr = NOERROR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// unregister CLSID and InprocServer32
|
||
|
|
//
|
||
|
|
if( SUCCEEDED(hr) )
|
||
|
|
{
|
||
|
|
hr = AMovieSetupUnregisterServer( *(pT->m_ClsID) );
|
||
|
|
}
|
||
|
|
|
||
|
|
// check final error for this pass
|
||
|
|
// and break loop if we failed
|
||
|
|
//
|
||
|
|
if( FAILED(hr) )
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|