#ifndef APE_PREPARE_H
#define APE_PREPARE_H
#include "NoWindows.h"
#define SPECIAL_FRAME_MONO_SILENCE 1
#define SPECIAL_FRAME_LEFT_SILENCE 1
#define SPECIAL_FRAME_RIGHT_SILENCE 2
#define SPECIAL_FRAME_PSEUDO_STEREO 4
Manage the preparation stage of compression and decompression
Tasks:
1) convert data to 32-bit
2) convert L,R to X,Y
3) calculate the CRC
4) do simple analysis
5) check for the peak value
*****************************************************************************/
class IPredictorDecompress;
class CPrepare
{
public:
int Prepare(const unsigned char* pRawData, int nBytes,
const WAVEFORMATEX* pWaveFormatEx, int* pOutputX,
int* pOutputY, unsigned int* pCRC, int* pSpecialCodes,
int* pPeakLevel);
void Unprepare(int X, int Y, const WAVEFORMATEX* pWaveFormatEx,
unsigned char* pOutput, unsigned int* pCRC);
#ifdef BACKWARDS_COMPATIBILITY
int UnprepareOld(int* pInputX, int* pInputY, int nBlocks,
const WAVEFORMATEX* pWaveFormatEx, unsigned char* pRawData,
unsigned int* pCRC, int* pSpecialCodes, int nFileVersion);
#endif
};
#endif
