sdpchunk.h
上传用户:dangjiwu
上传日期:2013-07-19
资源大小:42019k
文件大小:4k
- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: sdpchunk.h,v 1.1.1.1.50.1 2004/07/09 02:05:06 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (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.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * 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_