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MPGStream.hpp

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#ifndef __MPGStream_hpp__
#define __MPGStream_hpp__

#include "global.hpp"
#include "Stream.hpp"
#include "Frame.hpp"
#include "GOP.hpp"
#include "MPGGOP.hpp"
#include "MPGFrame.hpp"
//#include "YUVStream.hpp"

class Frame;
class GOP;
class MPGGOP;
class MPGFrame;
class YUVStream;


#define VOP_START_CODE 0x1B6
#define VOP_START_CODE_LENGTH 32

class MPGStream:public Stream {

  public:
    MPGStream(const QString & fname, bool preRead = true, uint numFrames = 0);


    virtual ~MPGStream();


        GOP* addNextGOP(uint numFrames);


    long getFileSize();

    long getAvgFrameSize();

    long getAvgGOPSize();


    uint getHeaderSize();


    bool fillHeaderBuffer();


    char *getHeaderBuffer();

  private:
    void parseHeader();

    MPGFrame *getNextFrame();

    MPGFrame *lastReadFrame, *lastRefFrame;

    QByteArray headerBuffer;

    uint headerSize;

};

#endif                          /* __MPGStream_hpp__ */

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