plugin_w_eventsink.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:4k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- // include
- #include "hxtypes.h"
- #include "hxwintyp.h"
- #include "hxcom.h"
- #include "hxplugn.h"
- #include "baseobj.h"
- #include "ihxpckts.h"
- #include "hxrendr.h"
- #include "rarender.h"
- #include "null_event_rend.h"
- #include "plugin_w_eventsink.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- HX_RESULT (STDAPICALLTYPE* const CRealAudioPluginFactory::m_fpRMACreateInstanceArray[])(IUnknown**) =
- {
- CRealAudioRenderer::HXCreateInstance,
- CNullEventRenderer::HXCreateInstance,
- NULL
- };
- STDAPI ENTRYPOINT(HXCREATEINSTANCE)(IUnknown** ppIUnknown)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (ppIUnknown)
- {
- CRealAudioPluginFactory* pFactory = new CRealAudioPluginFactory();
- if (pFactory)
- {
- retVal = pFactory->QueryInterface(IID_IUnknown, (void**) ppIUnknown);
- }
- if (FAILED(retVal))
- {
- HX_DELETE(pFactory);
- }
- }
- return retVal;
- }
- STDAPI ENTRYPOINT(CanUnload2)(void)
- {
- return (CHXBaseCountingObject::ObjectsActive() > 0 ? HXR_FAIL : HXR_OK);
- }
- STDAPI ENTRYPOINT(CanUnload)(void)
- {
- return ENTRYPOINT(CanUnload2)();
- }
- CRealAudioPluginFactory::CRealAudioPluginFactory()
- {
- m_lRefCount = 0;
- for(m_usNumPlugins = 0; m_fpRMACreateInstanceArray[m_usNumPlugins]; m_usNumPlugins++);
- }
- CRealAudioPluginFactory::~CRealAudioPluginFactory()
- {
- }
- STDMETHODIMP CRealAudioPluginFactory::QueryInterface(REFIID riid, void** ppvObj)
- {
- HX_RESULT retVal = HXR_OK;
- if (ppvObj)
- {
- // Set default
- *ppvObj = NULL;
- // Check for IID type
- if (IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = (IUnknown*) (IHXPluginFactory*) this;
- }
- else if (IsEqualIID(riid, IID_IHXPluginFactory))
- {
- AddRef();
- *ppvObj = (IHXPluginFactory*) this;
- }
- else
- {
- retVal = HXR_NOINTERFACE;
- }
- }
- else
- {
- retVal = HXR_FAIL;
- }
- return retVal;
- }
- STDMETHODIMP_(UINT32) CRealAudioPluginFactory::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(UINT32) CRealAudioPluginFactory::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- STDMETHODIMP_(UINT16) CRealAudioPluginFactory::GetNumPlugins()
- {
- return m_usNumPlugins;
- }
- STDMETHODIMP CRealAudioPluginFactory::GetPlugin(UINT16 usIndex, IUnknown** ppPlugin)
- {
- HX_RESULT retVal = HXR_INVALID_PARAMETER;
- if (usIndex < m_usNumPlugins && ppPlugin)
- {
- retVal = m_fpRMACreateInstanceArray[usIndex](ppPlugin);
- }
- return retVal;
- }