mpginfo.h

这是DVD中伺服部分的核心代码

/*****************************************************************************
******************************************************************************
**                                                                          **
**  Copyright (c) 2002 Videon Central, Inc.                                 **
**  All rights reserved.                                                    **
**                                                                          **
**  The computer program contained herein contains proprietary information  **
**  which is the property of Videon Central, Inc.  The program may be used  **
**  and/or copied only with the written permission of Videon Central, Inc.  **
**  or in accordance with the terms and conditions stipulated in the        **
**  agreement/contract under which the programs have been supplied.         **
**                                                                          **
******************************************************************************
*****************************************************************************/
/**
 * @file mpginfo.h
 *
 * Mpeg parsing utility routines
 *
 * $Id: mpginfo.h,v 1.3 2006/10/25 20:09:19 rbehe Exp $
 */
#ifndef MPGINFO_H
#define MPGINFO_H

#ifdef __cplusplus
extern "C" {
#endif

// Pes Routines

SHORT	MpgPutPes ( BYTE *pVideoPacket, SHORT wLength, BYTE *pVideoStorage, SHORT *pwCurrent, SHORT *pwUsed, SHORT wSize );
BOOLEAN	MpgIsPes ( ULONG dwStartCode );

BYTE *  MpgFindStartCode ( BYTE *pBuffer, SHORT wLength, ULONG dwStartCode );
ULONG	MpgShowSyncCode ( PVOID pData );

BYTE	MpgGetPackStuffingLength ( BYTE *pbData );

ULONG   MpgShowStart ( PVOID pData );
PVOID   MpgSkipStart ( PVOID pData );
PVOID   MpgFindStart ( PVOID pData, PVOID pBoundary );

PVOID   MpgReadPack ( PMPG_PACK_HDR pmpgPack, PVOID pData );
PVOID   MpgReadGop   ( PMPG_GOP_HDR pmpgGop, PVOID pData );
PVOID   MpgReadPESHdr  ( PMPG_PES_HDR pmpgPes, PVOID pData );

ULONG	MpgGetPackSCR32 ( BYTE *pbData );
ULONG	MpgGetPESPTS32 ( BYTE *pbData );
ULONG	MpgGetPESDTS32 ( BYTE *pbData );

PVOID   MpgReadSeqHdr ( PMPG_SEQ_HDR pmpgSeq, PVOID pData );
PVOID   MpgReadExtSeqHdr ( PMPG_EXT_SEQ_HDR pmpgSeq, PVOID pData );
PVOID   MpgReadPS1Hdr ( PMPG_PS1_HDR pmpgPS1, PVOID pData);
PVOID   MpgReadAC3Hdrs ( PAC3_SYNC_HDR pAC3Sync, PAC3_BSI_HDR pAC3Bsi, PVOID pData);

// Transport Parsing returns
//      These do byte swapping on Words mainly
void    MpgConvertTransportHeader ( BYTE *pmpgTrans );
ULONG   MpgGetPCR ( BYTE *pmpgPCR );
void    MpgConvertPSIHeader ( BYTE *pmpgPsi );
void    MpgConvertPATHeader ( BYTE *pmpgPat );
void    MpgConvertPASNumber ( BYTE *pmpgPasNum );
void    MpgConvertPMTHeader ( BYTE *pmpgPmt );
void    MpgConvertPidDescriptor ( BYTE *pmpgPid );

//  This gives a pointer to the payload of a packet
BYTE *  MpgGetPayload ( BYTE *pmpgData );

// Above Converted to good format
#ifdef __cplusplus
}
#endif


#endif