#if !defined _MAKEWAVE_H
#define _MAKEWAVE_H

int makewave(unsigned char * buffer, DWORD size);
int myplaysound(unsigned char * buffer, DWORD size);

class cbhrecord
{
public:
	unsigned char * tbuffer;
	DWORD tbsize;
	unsigned char * buf1;
	DWORD bsize;
	unsigned char * buf2;
	WAVEFORMATEX waveformat;
	HWAVEIN hwavein;
	WAVEHDR pwh1,pwh2;
	int state;
	DWORD rsize;
	double noiselevel;
	cbhrecord()
	{	state = 0;
		tbsize = 4096*128;
		bsize = 4096;
		rsize = 0;
		tbuffer = new unsigned char[tbsize];
		buf1 = new unsigned char[bsize];
		buf2 = new unsigned char[bsize];
		waveformat.wFormatTag=WAVE_FORMAT_PCM;
		waveformat.nChannels=1;
		waveformat.nSamplesPerSec = 44100;
		waveformat.nAvgBytesPerSec = 44100;
		waveformat.nBlockAlign = 1;
		waveformat.wBitsPerSample = 8;
		waveformat.cbSize = 0;
		pwh1.dwBufferLength=bsize;
		pwh1.dwFlags=0;
		pwh1.lpData=(char *)buf1;
		pwh2.dwBufferLength=bsize;
		pwh2.dwFlags=0;
		pwh2.lpData=(char *)buf2;
	};
	int start(HWND hWnd);
	int resycle(DWORD p);
	int stop();
	int isnoise(unsigned char * buf, DWORD size);
	~cbhrecord(){
		if(state)
			stop();
		delete []tbuffer;
		delete []buf1;
		delete []buf2;
	}
};

#endif //!defined _MAKEWAVE_H