null_event_rend.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:6k
- /* ***** 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 "hxtypes.h"
- #include "hxcom.h"
- #include "ihxpckts.h"
- #include "hxfiles.h"
- #include "hxcore.h"
- #include "hxrendr.h"
- #include "hxplugn.h"
- #include "baseobj.h"
- #include "hxver.h"
- #include "rarender.ver"
- #include "null_event_rend.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- const char* const CNullEventRenderer::m_pszDescription = "Helix Null Event Renderer Plugin";
- const char* const CNullEventRenderer::m_pszCopyright = HXVER_COPYRIGHT;
- const char* const CNullEventRenderer::m_pszMoreInfoURL = HXVER_MOREINFO;
- const char* const CNullEventRenderer::m_ppszStreamMimeTypes[] = {"application/x-pn-realevent", NULL};
- CNullEventRenderer::CNullEventRenderer()
- : m_lRefCount(0)
- {
- }
- CNullEventRenderer::~CNullEventRenderer()
- {
- }
- STDMETHODIMP_(ULONG32) CNullEventRenderer::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(ULONG32) CNullEventRenderer::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- STDMETHODIMP CNullEventRenderer::QueryInterface(REFIID riid, void** ppvObj)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (ppvObj)
- {
- // Set defaults
- retVal = HXR_OK;
- *ppvObj = NULL;
- // Switch on iid
- if (IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = (IUnknown*)(IHXPlugin*)this;
- }
- else if (IsEqualIID(riid, IID_IHXPlugin))
- {
- AddRef();
- *ppvObj = (IHXPlugin*)this;
- }
- else if (IsEqualIID(riid, IID_IHXRenderer))
- {
- AddRef();
- *ppvObj = (IHXRenderer*)this;
- }
- else
- {
- retVal = HXR_NOINTERFACE;
- }
- }
- return retVal;
- }
- STDMETHODIMP CNullEventRenderer::InitPlugin(IUnknown* pContext)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::GetPluginInfo(REF(BOOL) bLoadMultiple,
- REF(const char*) pDescription,
- REF(const char*) pCopyright,
- REF(const char*) pMoreInfoURL,
- REF(ULONG32) ulVersionNumber)
- {
- bLoadMultiple = TRUE;
- pDescription = (const char*) m_pszDescription;
- pCopyright = (const char*) m_pszCopyright;
- pMoreInfoURL = (const char*) m_pszMoreInfoURL;
- ulVersionNumber = TARVER_ULONG32_VERSION;
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::GetRendererInfo(REF(const char**) pStreamMimeTypes,
- REF(UINT32) unInitialGranularity)
- {
- pStreamMimeTypes = (const char**) m_ppszStreamMimeTypes;
- unInitialGranularity = 100;
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::StartStream(IHXStream* pStream, IHXPlayer* pPlayer)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::EndStream()
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::OnHeader(IHXValues* pHeader)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::OnPacket(IHXPacket* pPacket, LONG32 lTimeOffset)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::OnTimeSync(ULONG32 ulTime)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::OnPreSeek(ULONG32 ulOldTime, ULONG32 ulNewTime)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::OnPostSeek(ULONG32 ulOldTime, ULONG32 ulNewTime)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::OnPause(ULONG32 ulTime)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::OnBegin(ULONG32 ulTime)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::OnBuffering(ULONG32 ulFlags, UINT16 unPercentComplete)
- {
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::GetDisplayType(REF(HX_DISPLAY_TYPE) ulFlags,
- REF(IHXBuffer*) pBuffer)
- {
- ulFlags = HX_DISPLAY_NONE;
- return HXR_OK;
- }
- STDMETHODIMP CNullEventRenderer::OnEndofPackets(void)
- {
- return HXR_OK;
- }
- HX_RESULT STDAPICALLTYPE CNullEventRenderer::HXCreateInstance(IUnknown** ppUnk)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (ppUnk)
- {
- CNullEventRenderer* pObj = new CNullEventRenderer();
- if (pObj)
- {
- retVal = pObj->QueryInterface(IID_IUnknown, (void**) ppUnk);
- if (FAILED(retVal))
- {
- HX_DELETE(pObj);
- }
- }
- }
- return retVal;
- }