YiBifParser.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_BIF_PARSER_H_
#define _YI_BIF_PARSER_H_

#include "framework/YiPredef.h"
#include "utility/YiString.h"

class CYIBif
{
public:
    CYIBif();
    CYIBif(const CYIString &path);
    ~CYIBif();

    bool Open(const CYIString &path);
    
    bool Open(const uint8_t *pData, uint32_t nSize);

    bool IsBifData(const uint8_t *pData, uint32_t uSize);

    uint32_t GetTimeStampMultiplier() const;

    uint32_t GetEntryCount() const;

    bool GetImageDataAtIndex(uint32_t uIndex, std::vector<uint8_t> *pImageData) const;

    uint32_t GetImageIndexAtTime(uint64_t uTime) const;

    uint32_t GetDataSize() const;

private:
    uint32_t *m_pOffset;
    uint64_t *m_pTime;

    uint32_t m_EntryCnt;
    uint32_t m_TimestampMultiplier;

    FILE* m_pFile;
    std::vector<uint8_t> m_rawData;
    uint32_t m_RawDataIndex;

    // Reset internally settings if any.
    void Reset();
    
    bool ParseHeader();
    bool ParseIndexTable();

private: 
    // Do not implement
    CYIBif(const CYIBif &);
    CYIBif &operator=(const CYIBif &);
};

inline uint32_t CYIBif::GetEntryCount() const
{
    return (m_EntryCnt == 0 ? 0 : (m_EntryCnt - 1));
}

inline uint32_t CYIBif::GetTimeStampMultiplier() const
{
    return m_TimestampMultiplier;
}

#endif // _YI_BIF_PARSER_H_