sdpmdparse.h
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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 ***** */
- #ifndef SDPMDUNPACK_H
- #define SDPMDUNPACK_H
- #include "mdescparse.h"
- #include "hxstring.h"
- #include "hxslist.h"
- #include "hxcom.h"
- #include "hxccf.h"
- class SDPMediaDescParser : public MediaDescParser
- {
- public:
- SDPMediaDescParser(ULONG32 ulVersion);
- virtual ~SDPMediaDescParser();
-
- virtual HX_RESULT Init(IUnknown* pContext);
- virtual HX_RESULT Parse(IHXBuffer* pDescription,
- REF(UINT16) nValues,
- REF(IHXValues**) pValueArray);
- private:
- enum FieldType {ftUnknown,
- ftULONG32,
- ftString,
- ftBuffer};
- void TakeCareOfDefaults(IHXValues* pHeader);
- void AddRuleBook(IHXValues* pHeader, UINT32 ulBW);
- HX_RESULT fromExternalRep(char* pData);
- HX_RESULT fromExternalRep(char* pData, UINT32 ulDataLen);
- BOOL IsPayloadTableValid(UINT32 ulPayloadType);
- HX_RESULT getRTPMapInfo(const char* pMapInfo,
- REF(CHXString) strMimeType,
- IHXValues* pStream);
- HX_RESULT checkVersion(UINT32 ulVersion);
- void clearStreamList();
- IHXValues* CreateHeader();
- void AddULONG32(IHXValues* pHeader, const char* pKey, ULONG32 ulValue);
- void AddString(IHXValues* pHeader, const char* pKey, const char* pValue);
- void AddBuffer(IHXValues* pHeader, const char* pKey, const UINT8* pValue,
- ULONG32 ulLength);
- IHXBuffer* CopyBuffer(const UINT8* pBuf, ULONG32 ulLength);
-
- HX_RESULT GetLine(const char*& pData, const char* pEnd,
- IHXBuffer*& pLine) const;
- void SkipSpaces(char*& pData) const;
- BOOL ScanForDelim(char*& pData, char delim) const;
- HX_RESULT HandleVLine(char* pLine);
- HX_RESULT HandleMLine(char* pLine, IHXValues* pHdr);
- HX_RESULT HandleALine(char* pLine, IHXValues* pHdr);
- HX_RESULT HandleCLine(char* pLine, IHXValues* pHdr);
- HX_RESULT HandleBLine(char* pLine, IHXValues* pHdr);
- HX_RESULT ParseFieldValue(char*& pValue, FieldType& fieldType) const;
- HX_RESULT HandleSpecialFields(const char* pFieldName,
- char* pFieldValue,
- IHXValues* pHdr);
- HX_RESULT HandleRangeField(char* pFieldValue, IHXValues* pHdr);
- HX_RESULT HandleLengthField(char* pFieldValue, IHXValues* pHdr);
- HX_RESULT HandleRTPMapField(char* pFieldValue, IHXValues* pHdr);
- HX_RESULT HandleFMTPField(char* pFieldValue, IHXValues* pHdr);
- HX_RESULT HandlePrerollField(char* pFieldValue, ULONG32 ulPrerollUnits,
- IHXValues* pHdr);
- IUnknown* m_pContext;
- IHXCommonClassFactory* m_pCCF;
- ULONG32 m_ulVersion;
- CHXSimpleList m_streams;
- IHXValues* m_pFileHeader;
- BOOL m_bDefiniteDuration;
- ULONG32 m_ulDefaultDuration;
- CHXString m_mediaType;
- };
- #endif /* SDPMDUNPACK_H */