sdpchunk.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 _SDPCHUNK_H_
- #define _SDPCHUNK_H_
- /****************************************************************************
- * Includes
- */
- #include "hxcom.h"
- #include "hxtypes.h"
- #include "hxcomm.h"
- #include "ihxpckts.h"
- /****************************************************************************
- * Globals
- */
- /****************************************************************************
- * Types
- */
- typedef enum
- {
- SDPCTX_Session,
- SDPCTX_Media,
- SDPCTX_Time,
- SDPCTX_Generic,
- SDPCTX_Renderer,
- SDPCTX_Group
- } SDPChunkContext;
- typedef HX_RESULT (*SDPPullFuncPtr) (char* pData,
- ULONG32 ulLength,
- IHXValues* pSDPValues,
- IHXCommonClassFactory* pClassFactory);
- struct SDPRecordPuller
- {
- char* pSDPMatch;
- ULONG32 ulSDPMatchSize;
- SDPPullFuncPtr pPullFunc;
- };
- /****************************************************************************
- * Utilities
- */
- HX_RESULT SDPParseChunk(char* pData,
- ULONG32 ulDataLen,
- IHXValues* &pSDPValues,
- IHXCommonClassFactory *pClassFactory,
- SDPChunkContext SDPContext = SDPCTX_Generic,
- BOOL bPullRecords = FALSE);
- HX_RESULT SDPParseChunk(char* pData,
- ULONG32 ulDataLen,
- IHXValues* &pSDPValues,
- IHXCommonClassFactory *pClassFactory,
- const SDPRecordPuller* pPullTable,
- BOOL bPullRecords = FALSE);
- HX_RESULT SDPMapPayloadToMime(ULONG32 ulPayloadType,
- IHXBuffer* &pMimeType,
- IHXCommonClassFactory *pClassFactory);
- HX_RESULT SDPMapMimeToPayload(IHXBuffer* pMimeTypeBuffer, ULONG32 &ulPayload);
- BOOL SDPIsKnownPayload(ULONG32 ulPayloadType);
- BOOL SDPIsFixedRatePayload(ULONG32 ulPayloadType);
- ULONG32 SDPMapMimeToSamplesPerSecond(IHXBuffer* pMimeTypeBuffer);
- #endif // _SDPCHUNK_H_