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MAC_SDK/Source/MACLib/Old/UnMAC.h

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+/*****************************************************************************************
+UnMAC.h
+Copyright (C) 2000-2001 by Matthew T. Ashland   All Rights Reserved.
+
+Methods for decompressing or verifying APE files
+
+Notes:
+    -none
+*****************************************************************************************/
+
+#ifndef APE_UNMAC_H
+#define APE_UNMAC_H
+
+#include "../BitArray.h"
+#include "../UnBitArrayBase.h"
+
+class CAntiPredictor;
+class CPrepare;
+class CAPEDecompressCore;
+class CPredictorBase;
+class IPredictorDecompress;
+class IAPEDecompress;
+
+/*****************************************************************************************
+CUnMAC class... a class that allows decoding on a frame-by-frame basis
+*****************************************************************************************/
+class CUnMAC 
+{
+public:
+    
+    // construction/destruction
+    CUnMAC();
+    ~CUnMAC();
+
+    // functions
+    int Initialize(IAPEDecompress *pAPEDecompress);
+    int Uninitialize();
+    int DecompressFrame(unsigned char *pOutputData, int32 FrameIndex, int CPULoadBalancingFactor = 0);
+
+    int SeekToFrame(int FrameIndex);
+    
+private:
+
+    // data members
+    BOOL m_bInitialized;
+    int m_LastDecodedFrameIndex;
+    IAPEDecompress * m_pAPEDecompress;
+    CPrepare * m_pPrepare;
+
+    CAPEDecompressCore * m_pAPEDecompressCore;
+
+    // functions
+    void GenerateDecodedArrays(int nBlocks, int nSpecialCodes, int nFrameIndex, int nCPULoadBalancingFactor);
+    void GenerateDecodedArray(int *Input_Array, uint32 Number_of_Elements, int Frame_Index, CAntiPredictor *pAntiPredictor, int CPULoadBalancingFactor = 0);
+
+    int CreateAntiPredictors(int nCompressionLevel, int nVersion);
+
+    int DecompressFrameOld(unsigned char *pOutputData, int32 FrameIndex, int CPULoadBalancingFactor);
+    uint32 CalculateOldChecksum(int *pDataX, int *pDataY, int nChannels, int nBlocks);
+
+public:
+    
+    int m_nBlocksProcessed;
+    unsigned int m_nCRC;
+    unsigned int m_nStoredCRC;
+    WAVEFORMATEX m_wfeInput;
+};
+
+#endif // #ifndef APE_UNMAC_H