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