D:/work/code_by/Wave/WaveFile.h

查看本檔案說明文件.

#ifndef _WAVEFILE_H_
#define _WAVEFILE_H_

#include <stdio.h>

class TWaveFile
{
private:
  int sampleRate, bitRate;

  void Skip(FILE *, int);
  int FindChunk(FILE *, char *);
  bool ReadChunk(FILE *, void *, int, int &);
  void MuLawToPcm(void);
protected:
  int bytesPerSample;

  void Resample(int);
public:
  void WaveCopy(char *, int *, int);
  void WaveCopy(int *, char *, int);
        int WaveCopy(char *, int, int);
  void WaveCopy(int *, char *, int, int);

  int *wave;
  int waveSize;
  char *userData;

  TWaveFile();
  ~TWaveFile();
  virtual bool Load(char *name);        

  virtual bool Save(char *name);        

  virtual int GetSampleRate(void);      

  virtual int GetBitRate(void); 

  virtual void SetFormat(int newSampleRate, int newBitRate);
  //virtual float GetDuration(void);
  virtual int GetDuration(void);        

  virtual void SetWave(int *w, int size);
  virtual void Clear(void);     

  virtual void Trim(int from, int to);  
};

#endif

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