1 #ifndef APE_PREDICTOR_H 2 #define APE_PREDICTOR_H 3 4 /************************************************************************************************* 5 IPredictorCompress - the interface for compressing (predicting) data 6 *************************************************************************************************/ 7 class IPredictorCompress 8 { 9 public: IPredictorCompress(int nCompressionLevel)10 IPredictorCompress(int nCompressionLevel) {} ~IPredictorCompress()11 virtual ~IPredictorCompress() {} 12 13 virtual int CompressValue(int nA, int nB = 0) = 0; 14 virtual int Flush() = 0; 15 }; 16 17 /************************************************************************************************* 18 IPredictorDecompress - the interface for decompressing (un-predicting) data 19 *************************************************************************************************/ 20 class IPredictorDecompress 21 { 22 public: IPredictorDecompress(int nCompressionLevel,int nVersion)23 IPredictorDecompress(int nCompressionLevel, int nVersion) {} ~IPredictorDecompress()24 virtual ~IPredictorDecompress() {} 25 26 virtual int DecompressValue(int nA, int nB = 0) = 0; 27 virtual int Flush() = 0; 28 }; 29 30 #endif // #ifndef APE_PREDICTOR_H 31