src/add-ons/media/plugins/ape_reader/MAClib/Predictor.h

   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:
  10     IPredictorCompress(int nCompressionLevel) {}
  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:
  23     IPredictorDecompress(int nCompressionLevel, int nVersion) {}
  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