hxdefpackethookhlp.cpp
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上传日期:2007-06-06
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- /* ***** 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 ***** */
- /****************************************************************************
- *
- *
- * Default IHXPacketHookHelper implementation:
- * passing timestamp corrected packets to the
- * response interface.
- *
- *
- */
- #include "hxdefpackethookhlp.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- // IUnknown interface listing
- BEGIN_INTERFACE_LIST(CHXDefaultPacketHookHelper)
- INTERFACE_LIST_ENTRY_SIMPLE(IHXPacketHookHelper)
- INTERFACE_LIST_ENTRY_SIMPLE(IHXDefaultPacketHookHelper)
- END_INTERFACE_LIST
- CHXDefaultPacketHookHelper::CHXDefaultPacketHookHelper() :
- m_pCommonClassFactory(NULL),
- m_pPacketHookHelperResponse(NULL),
- m_pRecordTimeline(0),
- m_bStartPosSet(FALSE)
- {
- }
- CHXDefaultPacketHookHelper::~CHXDefaultPacketHookHelper()
- {
- }
- STDMETHODIMP
- CHXDefaultPacketHookHelper::Initialize(IUnknown* pContext)
- {
- HX_RESULT retVal = HXR_OK;
- if(pContext)
- {
- HX_RELEASE(m_pCommonClassFactory);
- retVal = pContext->QueryInterface(IID_IHXCommonClassFactory, (void**)&m_pCommonClassFactory);
- }
- return HXR_OK;
- }
- STDMETHODIMP
- CHXDefaultPacketHookHelper::Terminate()
- {
- HX_RELEASE(m_pCommonClassFactory);
- HX_RELEASE(m_pPacketHookHelperResponse);
- HX_RELEASE(m_pRecordTimeline);
- return HXR_OK;
- }
- STDMETHODIMP
- CHXDefaultPacketHookHelper::OnPacket(IHXPacket* pPacket)
- {
- HX_RESULT nResult = HXR_OK;
- if(m_pPacketHookHelperResponse && pPacket)
- {
- if(!m_bStartPosSet && m_pRecordTimeline)
- {
- m_bStartPosSet = TRUE;
- m_pRecordTimeline->SetRecordStartPos(pPacket->GetTime());
- }
- IHXPacket* pPacketRecorded = NULL;
- if(m_pCommonClassFactory)
- m_pCommonClassFactory->CreateInstance(IID_IHXPacket, (void**)&pPacketRecorded);
- if(pPacketRecorded)
- {
- IHXBuffer* pBuffer = pPacket->GetBuffer();
- pPacketRecorded->Set(pBuffer,
- m_pRecordTimeline ? m_pRecordTimeline->GetRecordPos(pPacket->GetTime()) : pPacket->GetTime(),
- pPacket->GetStreamNumber(),
- pPacket->GetASMFlags(),
- pPacket->GetASMRuleNumber());
- nResult = m_pPacketHookHelperResponse->OnPacket(pPacketRecorded);
- HX_RELEASE(pBuffer);
- }
- HX_RELEASE(pPacketRecorded);
- }
- return nResult;
- }
- STDMETHODIMP
- CHXDefaultPacketHookHelper::OnEndOfPackets()
- {
- HX_RESULT nResult = HXR_FAILED;
- if(m_pPacketHookHelperResponse)
- nResult = m_pPacketHookHelperResponse->OnEndOfPackets();
- return nResult;
- }
- STDMETHODIMP
- CHXDefaultPacketHookHelper::StartHook(ULONG32 ulStreamNumber, ULONG32 ulTimeOffset,
- IHXPacketHookHelperResponse* pPacketHookHelperResponse)
- {
- m_pPacketHookHelperResponse = pPacketHookHelperResponse;
- if(m_pPacketHookHelperResponse)
- {
- m_pPacketHookHelperResponse->AddRef();
- m_pPacketHookHelperResponse->QueryInterface(IID_IHXRecordTimeline, (void**)&m_pRecordTimeline);
- }
- return HXR_OK;
- }
- STDMETHODIMP
- CHXDefaultPacketHookHelper::StopHook()
- {
- HX_RELEASE(m_pPacketHookHelperResponse);
- HX_RELEASE(m_pRecordTimeline);
- m_bStartPosSet = FALSE;
- return HXR_OK;
- }