pxgifff.h
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上传日期:2007-06-06
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文件大小:7k
- /* ***** 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 PXGIFFF_H
- #define PXGIFFF_H
- // Forward declarations
- typedef _INTERFACE IHXRequest IHXRequest;
- typedef _INTERFACE IHXFormatResponse IHXFormatResponse;
- typedef _INTERFACE IHXFileObject IHXFileObject;
- typedef _INTERFACE IHXBuffer IHXBuffer;
- typedef _INTERFACE IHXFragmentedBuffer IHXFragmentedBuffer;
- typedef _INTERFACE IHXPacket IHXPacket;
- typedef _INTERFACE IHXCommonClassFactory IHXCommonClassFactory;
- typedef _INTERFACE IHXErrorMessages IHXErrorMessages;
- typedef _INTERFACE IHXFileStat IHXFileStat;
- class CHXSimpleList;
- class CHXString;
- class CGIFCodec;
- class CGIFFileFormat : public CHXBaseCountingObject,
- public IHXPlugin,
- public IHXFileFormatObject,
- public IHXFileResponse,
- public IHXFileStatResponse,
- public IHXThreadSafeMethods
- {
- public:
- CGIFFileFormat();
- virtual ~CGIFFileFormat();
- // IUnknown Methods
- STDMETHOD (QueryInterface) (THIS_ REFIID ID, void** ppObj);
- STDMETHOD_(UINT32, AddRef) (THIS);
- STDMETHOD_(UINT32, Release) (THIS);
- // IHXPlugin Methods
- STDMETHOD(GetPluginInfo) (THIS_ REF(BOOL) bMultipleLoad,
- REF(const char*) pDescription,
- REF(const char*) pCopyright,
- REF(const char*) pMoreInfoURL,
- REF(ULONG32) ulVersionNumber);
- STDMETHOD(InitPlugin) (THIS_ IUnknown *pContext);
- // IHXFileFormatObject methods
- STDMETHOD(GetFileFormatInfo) (THIS_ REF(const char**) pFileMimeTypes,
- REF(const char**) pFileExtensions,
- REF(const char**) pFileOpenNames);
- STDMETHOD(InitFileFormat) (THIS_ IHXRequest* pRequest,
- IHXFormatResponse* pFormatResponse,
- IHXFileObject* pFileObject);
- STDMETHOD(GetFileHeader) (THIS);
- STDMETHOD(GetStreamHeader) (THIS_ UINT16 usStreamNum);
- STDMETHOD(GetPacket) (THIS_ UINT16 usStreamNum);
- STDMETHOD(Seek) (THIS_ UINT32 ulRequestedTime);
- STDMETHOD(Close) (THIS);
- // IHXFileResponse Methods
- STDMETHOD(InitDone) (THIS_ HX_RESULT status);
- STDMETHOD(SeekDone) (THIS_ HX_RESULT status);
- STDMETHOD(ReadDone) (THIS_ HX_RESULT status, IHXBuffer* pBuffer);
- STDMETHOD(WriteDone) (THIS_ HX_RESULT status);
- STDMETHOD(CloseDone) (THIS_ HX_RESULT status);
- // IHXFileStatResponse methods
- STDMETHOD(StatDone) (THIS_ HX_RESULT status, UINT32 ulSize, UINT32 ulCreationTime,
- UINT32 ulAccessTime, UINT32 ulModificationTime, UINT32 ulMode);
- // IHXThreadSafeMethods methods
- STDMETHOD_(UINT32,IsThreadSafe)(THIS);
- // CGIFFileFormat methods
- static HX_RESULT STDAPICALLTYPE HXCreateInstance(IUnknown** ppIUnknown);
- protected:
- enum
- {
- kDefaultBitRate = 12000,
- kDefaultDuration = 5000,
- kStateConstructed = 0,
- kStateFileInit = 1,
- kStateFileStat = 2,
- kStateFileRead = 3,
- kStateInitialized = 4,
- kStateFileHeaderSent = 5,
- kStateStreamHeaderSent = 6,
- kStateFinished = 7,
- kTargetBrowser = 0,
- kTargetPlayer = 1,
- kURLTypeNormal = 0,
- kURLTypeCommandPause = 1,
- kURLTypeCommandPlay = 2,
- kURLTypeCommandSeek = 3,
- kURLTypeCommandStop = 4
- };
- INT32 m_lRefCount;
- IUnknown* m_pContext;
- IHXFileObject* m_pFileObject;
- IHXFileStat* m_pFileStat;
- IHXFormatResponse* m_pFormatResponse;
- IHXCommonClassFactory* m_pCommonClassFactory;
- IHXErrorMessages* m_pError;
- UINT32 m_ulBitRate;
- UINT32 m_ulPreroll;
- UINT32 m_ulDuration;
- CHXString* m_pURL;
- CHXString* m_pRequestURL;
- BYTE m_ucTarget;
- BYTE m_ucURLType;
- UINT32 m_ulSeekTime;
- UINT32 m_ulBackgroundColor;
- INT32 m_lCurrentTime;
- INT32* m_plImageStartTime;
- INT32 m_lCurImgIndex;
- UINT32 m_ulState;
- UINT32 m_ulFileSize;
- IHXBuffer* m_pFileBuffer;
- IHXFragmentedBuffer* m_pFragFileBuffer;
- CGIFCodec* m_pGIFCodec;
- BOOL m_bReliable;
- UINT32 m_ulNumBytesRead;
- IHXPacket** m_ppPacket;
- UINT32 m_ulNumPackets;
- UINT32 m_ulCurrentPacketIndex;
- BOOL m_bParseFailed;
- IHXBuffer* m_pMediaRepeatStr;
- static const char* const m_pszDescription;
- static const char* const m_pszCopyright;
- static const char* const m_pszMoreInfoURL;
- static const char* const m_ppszFileMimeTypes[];
- static const char* const m_ppszFileExtensions[];
- static const char* const m_ppszFileOpenNames[];
- static const char* const m_pszStreamMimeType;
- static const char* const m_pszBadStreamMimeType;
- static const UINT32 m_ulContentVersion;
- static const UINT32 m_ulStreamVersion;
- void ReportError(UINT32 ulErrorID, const char* pszArg = NULL);
- HX_RESULT GetResourceErrorString(UINT32 ulErrorID, CHXString& rErrorStr);
- HX_RESULT ParseFile();
- HX_RESULT MakeAllPackets();
- };
- #endif