null_event_rend.h
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上传日期:2007-06-06
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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 ***** */
- #ifndef NULLEVENT_H
- #define NULLEVENT_H
- // Forward declarations
- typedef _INTERFACE IHXStream IHXStream;
- typedef _INTERFACE IHXPlayer IHXPlayer;
- typedef _INTERFACE IHXValues IHXValues;
- typedef _INTERFACE IHXPacket IHXPacket;
- typedef _INTERFACE IHXBuffer IHXBuffer;
- class CNullEventRenderer : public IHXPlugin,
- public IHXRenderer,
- public CHXBaseCountingObject
- {
- public:
- CNullEventRenderer();
- virtual ~CNullEventRenderer();
- // IUnknown Methods
- STDMETHOD (QueryInterface) (THIS_ REFIID ID, void** ppObj);
- STDMETHOD_(UINT32, AddRef) (THIS);
- STDMETHOD_(UINT32, Release) (THIS);
- // IHXPlugin Methods
- STDMETHOD(GetPluginInfo) (THIS_ REF(BOOL) rbLoadMultiple,
- REF(const char*) rpszDescription,
- REF(const char*) rpszCopyright,
- REF(const char*) rpszMoreInfoURL,
- REF(UINT32) rulVersionNumber);
- STDMETHOD(InitPlugin) (THIS_ IUnknown* pContext);
- // IHXRenderer Methods
- STDMETHOD(GetRendererInfo) (THIS_ REF(const char**) rppszStreamMimeType,
- REF(UINT32) rulInitialGranularity);
- STDMETHOD(StartStream) (THIS_ IHXStream* pStream, IHXPlayer* pPlayer);
- STDMETHOD(EndStream) (THIS);
- STDMETHOD(OnHeader) (THIS_ IHXValues* pHeader);
- STDMETHOD(OnPacket) (THIS_ IHXPacket* pPacket, INT32 lTimeOffset);
- STDMETHOD(OnTimeSync) (THIS_ UINT32 ulTime);
- STDMETHOD(OnPreSeek) (THIS_ UINT32 ulTimeBefore, UINT32 ulTimeAfter);
- STDMETHOD(OnPostSeek) (THIS_ UINT32 ulTimeBefore, UINT32 ulTimeAfter);
- STDMETHOD(OnPause) (THIS_ UINT32 ulTimeBeforePause);
- STDMETHOD(OnBegin) (THIS_ UINT32 ulTimeAfterBegin);
- STDMETHOD(OnBuffering) (THIS_ UINT32 ulReason, UINT16 usPercentComplete);
- STDMETHOD(GetDisplayType) (THIS_ REF(HX_DISPLAY_TYPE) rDisplayType,
- REF(IHXBuffer*) rpDisplayInfo);
- STDMETHOD(OnEndofPackets) (THIS);
- // CNullEventRenderer methods
- static HX_RESULT STDAPICALLTYPE HXCreateInstance(IUnknown** ppUnk);
- protected:
- INT32 m_lRefCount;
- static const char* const m_pszDescription;
- static const char* const m_pszCopyright;
- static const char* const m_pszMoreInfoURL;
- static const char* const m_ppszStreamMimeTypes[];
- };
- #endif /* #ifndef NULLEVENT_H */