113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
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#if !defined(PLAYERMODEL_HPP)
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#define PLAYERMODEL_HPP
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//______________________________________________________________________________
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//
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// PlayerModel.hpp
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//
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#include <string>
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#include <exception>
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#include <iosfwd>
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namespace on2vp
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{
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//--------------------------------------
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class PlayerModel
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{
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friend std::ostream& operator<<(std::ostream& os, const PlayerModel& pm);
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public:
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class Exception : public std::exception
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{
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public:
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Exception(const std::string& strText);
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~Exception() throw();
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const char* what() const throw();
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private:
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std::string m_strText;
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};
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// Any changes made to AspectRatio need to be reflected in XSAspectRatio defined in On2XS.h and On2XS.bas
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enum AspectRatio
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{
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AR_Null,
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AR_PC,
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AR_NTSC,
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AR_PAL
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};
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enum
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{
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Auto = -2,
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Null = -1
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};
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PlayerModel(long lRateNum = 0, long lRateDenom = 0);
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PlayerModel(const PlayerModel& pm);
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~PlayerModel();
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PlayerModel& operator=(const PlayerModel& pm);
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long bitrate() const;
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long bufferMax() const;
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long prebufferMax() const;
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bool bufferPad() const;
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long bufferRequired() const;
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long prebufferRequired() const;
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long rebufferRequired() const;
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AspectRatio sourceAspectRatio() const;
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int frameWidth() const;
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int frameHeight() const;
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void bitrate(long lBitrate);
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void bufferMax(long lBufferMax);
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void prebufferMax(long lPrebufferMax);
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void bufferPad(bool bBufferPad);
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void bufferRequired(long lBufferRequired);
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void prebufferRequired(long lPrebufferRequired);
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void rebufferRequired(long lRebufferRequired);
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void frameSize(AspectRatio arSource, int iFrameWidth, int iFrameHeight);
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void rate(long lRateNum, long lRateDenom);
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void initialize(int iWidthOrig, int iHeightOrig);
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void finalize();
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void updateBuffer(long lBytesOut, long nSamples, bool bKeyFrame);
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long bufferPadding(long lBytesOut, long nSamples);
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private:
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void initializeInternal();
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void updateBuffer0(long lBytesOut, long nSamples, bool bKeyFrame);
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void updateBuffer1(long lBytesOut, long nSamples, bool bKeyFrame); // Given bitrate, calculate buffer and prebuffer required
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void updateBuffer2(long lBytesOut, long nSamples, bool bKeyFrame); // Given buffer and prebuffer size, calculate bitrate
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long m_lBitrate;
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long m_lBufferMax;
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long m_lPrebufferMax;
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bool m_bBufferPad;
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long m_lBufferRequired;
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long m_lPrebufferRequired;
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long m_lRebufferRequired;
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AspectRatio m_arSource;
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int m_iFrameWidth;
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int m_iFrameHeight;
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long m_lRateNum;
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long m_lRateDenom;
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double m_dBytesIn;
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double m_dBufferFilled; // Used to calculate buffer required and prebuffer required
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double m_dBufferFilled2; // Used to calculate rebuffer required
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bool m_bInitialized;
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bool m_bInitializedInternal;
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bool m_bFinalized;
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void (PlayerModel::*m_updateBuffer)(long lBytesOut, long nSamples, bool bKeyFrame);
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};
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} // namespace on2vp
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#endif // PLAYERMODEL_HPP
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