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58 lines
1.4 KiB
58 lines
1.4 KiB
15 years ago
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/*
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demux pes mpeg stream
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Copyright (C) 2001 Martin Vogt
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Library General Public License as published by
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the Free Software Foundation.
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For more information look at the file COPYRIGHT in this package
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*/
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#ifndef __PESSYSTEMSTREAM_H
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#define __PESSYSTEMSTREAM_H
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#include <stdlib.h>
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#include "../input/inputPlugin.h"
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#include "mpegSystemHeader.h"
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class PESSystemStream {
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InputStream* input;
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int bytes_read;
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public:
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PESSystemStream(InputStream* input);
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~PESSystemStream();
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// called when we found a valid ts startcode
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// return number of bytes read from input and zero on error
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int processStartCode(unsigned int startCode,MpegSystemHeader* mpegHeader);
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private:
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int getByteDirect();
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int read(char* prt,int bytes);
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int processPacket(unsigned int startCode,MpegSystemHeader* mpegHeader);
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int processPacketHeader(MpegSystemHeader* mpegHeader);
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int processMPEG2PacketHeader(MpegSystemHeader* mpegHeader);
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int processPrivateHeader(MpegSystemHeader* mpegHeader);
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int readStartCode(unsigned int startCode,MpegSystemHeader* mpegHeader);
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void readSTD(unsigned char* inputBuffer,MpegSystemHeader* mpegHeader);
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void readTimeStamp(unsigned char* inputBuffer,unsigned char* hiBit,
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unsigned long* low4Bytes);
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int makeClockTime(unsigned char hiBit, unsigned long low4Bytes,
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double * clockTime);
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};
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#endif
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