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tdemultimedia/mpeglib/lib/input/inputStream.h

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/*
generic input class
Copyright (C) 1999 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 __MPEGLIBINPUTSTREAM_H
#define __MPEGLIBINPUTSTREAM_H
extern "C" {
#include <string.h>
#include <stdio.h>
#include <sys/stat.h>
}
#include "../util/timeStampArray.h"
#include "../util/dynBuffer.h"
/**
The abstraction for the input stream. In derived classes
we implement http,file and cdi access.
*/
class InputStream {
public:
InputStream();
virtual ~InputStream();
virtual int open(const char* dest);
virtual void close();
virtual int isOpen();
virtual int eof();
virtual int read(char* ptr,int size);
virtual int seek(long bytePos);
// clears possible input buffers
// (called by the decoderPlugin after a resyncCommit)
virtual void clear();
virtual long getByteLength();
virtual long getBytePosition();
virtual void insertTimeStamp(TimeStamp* src,long key,int len);
virtual TimeStamp* getTimeStamp(long key);
virtual int bytesUntilNext(long key);
virtual void print();
char* getUrl();
protected:
DynBuffer* urlBuffer;
class TimeStampArray* timeStampArray;
void setUrl(const char* url);
};
#endif