#include "stdafx.h"
#include "mmsystem.h"
#include "makewave.h"

int makewave(unsigned char * buffer, DWORD size)
{
	HMMIO file1;
	file1 = mmioOpen("my.wav",NULL,MMIO_CREATE | MMIO_WRITE);
	long i;
	char title0[5]="RIFF";
	i=mmioWrite(file1,title0,4);
	DWORD j;
	j = 4*4+sizeof(PCMWAVEFORMAT)+size;
	i=mmioWrite(file1,(char*)&j,4);
	char title1[5]="WAVE";
	i=mmioWrite(file1,title1,4);
	char title2[5]="fmt ";
	i=mmioWrite(file1,title2,4);
	j=sizeof(PCMWAVEFORMAT);
	i=mmioWrite(file1,(char *)&j,4);
	PCMWAVEFORMAT vf;
	vf.wf.wFormatTag=WAVE_FORMAT_PCM;
	vf.wf.nChannels=1;
	vf.wf.nSamplesPerSec = 44100;
	vf.wf.nAvgBytesPerSec = 44100;
	vf.wf.nBlockAlign = 1;
	vf.wBitsPerSample = 8;
	i=mmioWrite(file1,(char*)&vf,sizeof(PCMWAVEFORMAT));
	char title3[5]="data";
	i=mmioWrite(file1, title3, 4);
	j=size;
	i=mmioWrite(file1,(char *)&j, 4);
	i=mmioWrite(file1,(char *)buffer,size);
	i=mmioClose(file1,0);
	return 0;
}