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

static HANDLE heventdone = 0;

static void CALLBACK waveOutProc(
  HWAVEOUT hwo,      
  UINT uMsg,         
  DWORD dwInstance,  
  DWORD dwParam1,    
  DWORD dwParam2     
)
{
	if(uMsg == MM_WOM_DONE)
	SetEvent(heventdone);
}
 

int myplaysound(unsigned char * buffer, DWORD size)
{
	DWORD i;
	if(!heventdone)
		heventdone = CreateEvent(NULL, FALSE, FALSE, NULL);
	HWAVEOUT hwo;
	WAVEFORMATEX waveformat;
	waveformat.wFormatTag=WAVE_FORMAT_PCM;
	waveformat.nChannels=1;
	waveformat.nSamplesPerSec = 44100;
	waveformat.nAvgBytesPerSec = 44100;
	waveformat.nBlockAlign = 1;
	waveformat.wBitsPerSample = 8;
	waveformat.cbSize = 0;
	i=waveOutOpen(&hwo,	WAVE_MAPPER, &waveformat, (DWORD)&waveOutProc, 0, CALLBACK_FUNCTION);
	WAVEHDR whdr;
	whdr.dwBufferLength=size;
	whdr.dwFlags=0;
	whdr.lpData=(char *)buffer;
	i=waveOutPrepareHeader(hwo,&whdr,sizeof(whdr));
	i=waveOutWrite(hwo,&whdr,sizeof(whdr));
	WaitForSingleObject(heventdone, INFINITE);
	i=waveOutReset(hwo);
	i=waveOutUnprepareHeader(hwo,&whdr,sizeof(whdr));
	i=waveOutClose(hwo);

  return 0;
}