Frame.h

#pragma once
#include <boost/asio.hpp>
#include "CommonDefs.h"
 
using namespace std;
 
class FrameFactory;
class ApraData;
 
class Frame :public boost::asio::mutable_buffer {
public:
    Frame(void *buff, size_t size, boost::shared_ptr<FrameFactory> mother);
    virtual ~Frame();
    short mFrameType;
    uint64_t mFStart, mFEnd;
    uint64_t fIndex;
    uint64_t fIndex2; // added for fileReaderModule to propagate currentIndex
    uint64_t timestamp;
    int         pictureType; // used for H264 Encoder
    int m_num, m_den;
    virtual bool isEoP() { return false; }
    virtual bool isEOS() { return false; }
    virtual bool isMp4ErrorFrame() { return false; }
    virtual bool isEmpty() { return false; } 
    virtual bool isPropsChange();
    virtual bool isPausePlay();
    virtual bool isCommand();  
    framemetadata_sp getMetadata() { return mMetadata; }
    // Make it private
    // If someone wants to use it, make that class a friend class
    void setMetadata(framemetadata_sp& _metadata) { mMetadata = _metadata; }
    virtual void* data() const BOOST_ASIO_NOEXCEPT;
    virtual std::size_t size() const BOOST_ASIO_NOEXCEPT;
protected:
    Frame();
    framemetadata_sp mMetadata;
private:
    void setDefaultValues();
    void resetMemory();
    void *myOrig;
    friend class FrameFactory;
    boost::shared_ptr<FrameFactory> myMother; //so that the mother does not get destroyed before children   
};
 
class EoPFrame : public Frame
{
public:
    EoPFrame();
    virtual ~EoPFrame() {}
    virtual bool isEoP();
};
 
class EoSFrame : public Frame {
public:
    enum EoSFrameType
    {
        GENERAL = 0,
        MP4_PLYB_EOS,
        MP4_SEEK_EOS,
    };
    EoSFrame();
    virtual ~EoSFrame() {}
    virtual bool isEOS();
    EoSFrameType getEoSFrameType();
    EoSFrame(EoSFrameType eosType, uint64_t mp4TS);
private:
    EoSFrameType type;
    uint64_t mp4TS;
};
 
class EmptyFrame :public Frame {
public:
    EmptyFrame();
    virtual ~EmptyFrame() {}
    virtual bool isEmpty();
};
 
class ExternalFrame : public Frame
{
public:
    ExternalFrame(ApraData* data);
    virtual ~ExternalFrame();
 
    void* data() const BOOST_ASIO_NOEXCEPT;
    std::size_t size() const BOOST_ASIO_NOEXCEPT;
 
private:
    ApraData* mData;
};