xmddemuxer.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 _XMDDEMUXER_H_
- #define _XMDDEMUXER_H_
- #include "types64.h"
- // Pack sizes
- enum
- { PACK_SIZE = 2048,
- PACK_HEADER_SIZE = 14,
- PACK_DATA_SIZE = PACK_SIZE - PACK_HEADER_SIZE,
- SYSTEM_HEADER_SIZE = 24
- };
- // Stat codes
- enum
- {
- PICTURE_START_CODE = 0x00000100,
- SEQ_START_CODE = 0x000001b3,
- EXT_DATA_START_CODE = 0x000001b5,
- GROUP_START_CODE = 0x000001b8,
- PACK_HEADER = 0x000001ba,
- SYSTEM_HEADER = 0x000001bb,
- PRIVATE_STREAM_1 = 0x000001bd,
- PRIVATE_STREAM_2 = 0x000001bf,
- VIDEO_PACKET = 0x000001e0,
- AUDIO_PACKET = 0x000001c0,
- NO_START_CODE = 0xffffffff
- };
- class CDemuxer
- {
- public:
- CDemuxer(BOOL bMPEG2=TRUE);
- ~CDemuxer();
- UINT32 Demux_ul(UINT8 *pBuffer, UINT32 ulBytes, Packet *pPacket);
- static INT32 GetStartCode(UINT8 **ppBuffer, UINT32 &ulBytes);
- void Reset_v();
-
- protected:
- UINT8 ProcessPacket(UINT8 **ppBuffer, UINT32 &ulBytes, Packet *pPacket);
- UINT8 ProcessMPEG1Packet(UINT8 **ppBuffer, UINT32 &ulBytes, Packet *pPacket);
- INT64 GetTimeStamp(UINT8 *pBuffer);
- BOOL m_bMPEG2; // Is this MPEG1 or MPEG2 data
- UINT8 *m_pPack; // Pointer to the last pack
- INT64 m_llPtsDelta;
- };
- #endif