// audio2Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "audio2.h"
#include "audio2Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAudio2Dlg dialog

CAudio2Dlg::CAudio2Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAudio2Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAudio2Dlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	bEnding=FALSE;
	dwDataLength=0;

}

void CAudio2Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAudio2Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAudio2Dlg, CDialog)
	//{{AFX_MSG_MAP(CAudio2Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_MESSAGE(MM_WIM_OPEN,OnMM_WIM_OPEN)
	ON_MESSAGE(MM_WIM_DATA,OnMM_WIM_DATA)
	ON_MESSAGE(MM_WIM_CLOSE,OnMM_WIM_CLOSE)
	ON_MESSAGE(MM_WOM_OPEN,OnMM_WOM_OPEN)
	ON_MESSAGE(MM_WOM_DONE,OnMM_WOM_DONE)
	ON_MESSAGE(MM_WOM_CLOSE,OnMM_WOM_CLOSE)
	ON_BN_CLICKED(IDC_REC_START, OnRecStart)
	ON_BN_CLICKED(IDC_REC_STOP, OnRecStop)
	ON_BN_CLICKED(IDC_PLAY_START, OnPlayStart)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAudio2Dlg message handlers

BOOL CAudio2Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	//allocate memory for wave header
	pWaveHdr1=reinterpret_cast<PWAVEHDR>(malloc(sizeof(WAVEHDR)));
	pWaveHdr2=reinterpret_cast<PWAVEHDR>(malloc(sizeof(WAVEHDR)));
	
	//allocate memory for save buffer
	pSaveBuffer = reinterpret_cast<PBYTE>(malloc(1));
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CAudio2Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CAudio2Dlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CAudio2Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}



void CAudio2Dlg::OnRecStart() 
{//allocate buffer memory
	pBuffer1=(PBYTE)malloc(INP_BUFFER_SIZE);
	pBuffer2=(PBYTE)malloc(INP_BUFFER_SIZE);
	if (!pBuffer1 || !pBuffer2) {
		if (pBuffer1) free(pBuffer1);
		if (pBuffer2) free(pBuffer2);
		MessageBeep(MB_ICONEXCLAMATION);
		AfxMessageBox("Memory erro!");
		return ;
	}
	
	//open waveform audo for input
	
	waveform.wFormatTag=WAVE_FORMAT_PCM;
	waveform.nChannels=1;
	waveform.nSamplesPerSec=11025;
	waveform.nAvgBytesPerSec=11025;
	waveform.nBlockAlign=1;
	waveform.wBitsPerSample=8;
	waveform.cbSize=0;
	
	
	if (waveInOpen(&hWaveIn,WAVE_MAPPER,&waveform,(DWORD)this->m_hWnd,NULL,CALLBACK_WINDOW)) {
		free(pBuffer1);
		free(pBuffer2);
		MessageBeep(MB_ICONEXCLAMATION);
		AfxMessageBox("Audio can not be open!");
	}
	pWaveHdr1->lpData=(LPTSTR)pBuffer1;
	pWaveHdr1->dwBufferLength=INP_BUFFER_SIZE;
	pWaveHdr1->dwBytesRecorded=0;
	pWaveHdr1->dwUser=0;
	pWaveHdr1->dwFlags=0;
	pWaveHdr1->dwLoops=1;
	pWaveHdr1->lpNext=NULL;
	pWaveHdr1->reserved=0;
	
	waveInPrepareHeader(hWaveIn,pWaveHdr1,sizeof(WAVEHDR));
	
	pWaveHdr2->lpData=(LPTSTR)pBuffer2;
	pWaveHdr2->dwBufferLength=INP_BUFFER_SIZE;
	pWaveHdr2->dwBytesRecorded=0;
	pWaveHdr2->dwUser=0;
	pWaveHdr2->dwFlags=0;
	pWaveHdr2->dwLoops=1;
	pWaveHdr2->lpNext=NULL;
	pWaveHdr2->reserved=0;
	
	waveInPrepareHeader(hWaveIn,pWaveHdr2,sizeof(WAVEHDR));
	
	//////////////////////////////////////////////////////////////////////////
	pSaveBuffer = (PBYTE)realloc (pSaveBuffer, 1) ;
	// Add the buffers
	
	waveInAddBuffer (hWaveIn, pWaveHdr1, sizeof (WAVEHDR)) ;
	waveInAddBuffer (hWaveIn, pWaveHdr2, sizeof (WAVEHDR)) ;
	
	// Begin sampling
	bEnding=FALSE;
	dwDataLength = 0 ;
	waveInStart (hWaveIn) ;

	
}



void CAudio2Dlg::OnRecStop() 
{bEnding=TRUE;

	waveInReset(hWaveIn);
	
	
}
void CAudio2Dlg::OnMM_WIM_OPEN(UINT wParam, LONG lParam) 
{
	// TODO: Add your message handler code here and/or call default
	((CWnd *)(this->GetDlgItem(IDC_REC_START)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_REC_STOP)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY_START)))->EnableWindow(FALSE);
		SetTimer(1,100,NULL);
	
}

void CAudio2Dlg::OnMM_WIM_DATA(UINT wParam, LONG lParam) 
{
	// TODO: Add your message handler code here and/or call default
	// Reallocate save buffer memory
	
	//////////////////////////////////////////////////////////////////////////
	
	pNewBuffer = (PBYTE)realloc (pSaveBuffer, dwDataLength +
		((PWAVEHDR) lParam)->dwBytesRecorded) ;
	
	if (pNewBuffer == NULL)
	{
		waveInClose (hWaveIn) ;
		MessageBeep (MB_ICONEXCLAMATION) ;
		AfxMessageBox("erro memory");
		return ;
	}
	
	pSaveBuffer = pNewBuffer ;
	//////////////////////////////////////////////////////////////////////////
	
	CopyMemory (pSaveBuffer + dwDataLength, ((PWAVEHDR) lParam)->lpData,
		((PWAVEHDR) lParam)->dwBytesRecorded) ;
	
	dwDataLength += ((PWAVEHDR) lParam)->dwBytesRecorded ;
	
	if (bEnding)
	{
		waveInClose (hWaveIn) ;
		return ;
	}
	//////////////////////////////////////////////////////////////////////////
	CFile m_file;
    CFileException fileException;
    CString m_csFileName= "F:\\audio.wav";
	m_file.Open(m_csFileName,CFile::modeCreate|CFile::modeReadWrite, &fileException);
	/*if (m_file.Open(m_csFileName,CFile::modeCreate|CFile::modeReadWrite, &fileException))
	{MessageBox("open file");
}*/
	DWORD m_WaveHeaderSize = 38;
	DWORD m_WaveFormatSize = 18;
	m_file.SeekToBegin();
    m_file.Write("RIFF",4);
    //unsigned int Sec=(sizeof  + m_WaveHeaderSize);
	unsigned int Sec=(sizeof pSaveBuffer + m_WaveHeaderSize);
	m_file.Write(&Sec,sizeof(Sec));
	m_file.Write("WAVE",4);
	m_file.Write("fmt ",4);
	m_file.Write(&m_WaveFormatSize,sizeof(m_WaveFormatSize));
	
	m_file.Write(&waveform.wFormatTag,sizeof(waveform.wFormatTag));
	m_file.Write(&waveform.nChannels,sizeof(waveform.nChannels));
	m_file.Write(&waveform.nSamplesPerSec,sizeof(waveform.nSamplesPerSec));
	m_file.Write(&waveform.nAvgBytesPerSec,sizeof(waveform.nAvgBytesPerSec));
	m_file.Write(&waveform.nBlockAlign,sizeof(waveform.nBlockAlign));
	m_file.Write(&waveform.wBitsPerSample,sizeof(waveform.wBitsPerSample));
	m_file.Write(&waveform.cbSize,sizeof(waveform.cbSize));
	m_file.Write("data",4);
	m_file.Write(&dwDataLength,sizeof(dwDataLength));
	
	m_file.Write(pSaveBuffer,dwDataLength);
	m_file.Seek(dwDataLength,CFile::begin);
	m_file.Close();		
	
	// Send out a new buffer
	
	waveInAddBuffer (hWaveIn, (PWAVEHDR) lParam, sizeof (WAVEHDR)) ;
	return ;
	
	
}

void CAudio2Dlg::OnMM_WIM_CLOSE(UINT wParam, LONG lParam) 
{
	KillTimer(1);
	if (0==dwDataLength) {
		return;
	}
	
	
	waveInUnprepareHeader (hWaveIn, pWaveHdr1, sizeof (WAVEHDR)) ;
	waveInUnprepareHeader (hWaveIn, pWaveHdr2, sizeof (WAVEHDR)) ;
	
	free (pBuffer1) ;
	free (pBuffer2) ;
	
	if (dwDataLength > 0)
	{
		//enable play
		((CWnd *)(this->GetDlgItem(IDC_REC_START)))->EnableWindow(TRUE);
		((CWnd *)(this->GetDlgItem(IDC_REC_STOP)))->EnableWindow(FALSE);
		((CWnd *)(this->GetDlgItem(IDC_PLAY_START)))->EnableWindow(TRUE);

	}

	((CWnd *)(this->GetDlgItem(IDC_REC_START)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_REC_STOP)))->EnableWindow(FALSE);
	
	
	
	
	return ;
	
}



void CAudio2Dlg::OnPlayStart() 
{
	
	//open waveform audio for output
	waveform.wFormatTag		=	WAVE_FORMAT_PCM;
	waveform.nChannels		=	1;
	waveform.nSamplesPerSec	=11025;
	waveform.nAvgBytesPerSec=11025;
	waveform.nBlockAlign	=1;
	waveform.wBitsPerSample	=8;
	waveform.cbSize			=0;
	
	
	if (waveOutOpen(&hWaveOut,WAVE_MAPPER,&waveform,(DWORD)this->m_hWnd,NULL,CALLBACK_WINDOW)) {
		MessageBeep(MB_ICONEXCLAMATION);
		AfxMessageBox("Audio output erro");
	}
	
	
	return ;
	
}


void CAudio2Dlg::OnMM_WOM_OPEN(UINT wParam, LONG lParam){

	// Set up header
	
	pWaveHdr1->lpData          = (LPTSTR)pSaveBuffer ;
	pWaveHdr1->dwBufferLength  = dwDataLength ;
	pWaveHdr1->dwBytesRecorded = 0 ;
	pWaveHdr1->dwUser          = 0 ;
	pWaveHdr1->dwFlags         = WHDR_BEGINLOOP | WHDR_ENDLOOP ;
	pWaveHdr1->dwLoops         = 1;
	pWaveHdr1->lpNext          = NULL ;
	pWaveHdr1->reserved        = 0 ;
	
	// Prepare and write
	
	waveOutPrepareHeader (hWaveOut, pWaveHdr1, sizeof (WAVEHDR)) ;
	waveOutWrite (hWaveOut, pWaveHdr1, sizeof (WAVEHDR)) ;
	
	((CWnd *)(this->GetDlgItem(IDC_REC_START)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_REC_STOP)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY_START)))->EnableWindow(FALSE);
	
}

void CAudio2Dlg::OnMM_WOM_DONE(UINT wParam, LONG lParam)
{
	
	waveOutUnprepareHeader (hWaveOut, pWaveHdr1, sizeof (WAVEHDR)) ;
	waveOutClose (hWaveOut) ;
	
	
	return  ;
	
}
void CAudio2Dlg::OnMM_WOM_CLOSE(UINT wParam, LONG lParam)
{
	
	((CWnd *)(this->GetDlgItem(IDC_REC_START)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_REC_STOP)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY_START)))->EnableWindow(TRUE);


	return ;
	
}