wavedlg.cpp

用eVC开发的WinCE 4.0环境下的声音采集和并保存为WAVE格式

// WAVEDlg.cpp : implementation file
//

#include "stdafx.h"
#include "WAVE.h"
#include "WAVEDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CWAVEDlg dialog

CWAVEDlg::CWAVEDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CWAVEDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWAVEDlg)
		// 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);
}

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

BEGIN_MESSAGE_MAP(CWAVEDlg, CDialog)
	//{{AFX_MSG_MAP(CWAVEDlg)
	ON_BN_CLICKED(IDC_START, OnStart)
	ON_BN_CLICKED(IDC_CLOSE, OnClose)
	ON_BN_CLICKED(IDC_PLAY, OnPlay)	
	ON_BN_CLICKED(IDC_SAVE, OnSave)
	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_WM_TIMER()
	ON_BN_CLICKED(IDC_PLAY_PAUSE, OnPlayPause)
	ON_BN_CLICKED(IDC_PLAY_STOP, OnPlayStop)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWAVEDlg message handlers

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

	// 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
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	// TODO: Add extra initialization here
	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 CWAVEDlg::OnStart() 
{
		//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(_T("Memory erro!"));
		return ;
	}

/*	if(!outWaveFile.Open(_T("data.wav"),CFile::modeCreate | CFile::modeWrite))
			{
				AfxMessageBox(_T("Can not open this file"),MB_OK,0);
				return ;
			}
		
		
		else
				return ;
*/
		outWaveFile.Open(_T("data.wav"),CFile::modeWrite|CFile::modeCreate);

		WvH.dwSamplingRate	= 11025;
		WvH.dwRIFF			= 0x46464952;
		WvH.dwWAVE			= 0x45564157;
		WvH.dw_fmt			= 0x20746d66;
		WvH.dwFmtLen		= 0x10;
		WvH.wDataType		= 1;
		WvH.wNChannels		= 1;
		WvH.wNBitsPerSam	= 8;
		WvH.dwdata			= 0x61746164;
		WvH.dwNBytesPerSec	= WvH.dwSamplingRate*1*2;
		WvH.wAlignment		= WvH.wNChannels * WvH.wNBitsPerSam / 8;

		WvH.dwDataLen=dwDataLength;
		WvH.dwFileLen=WvH.dwDataLen + 16 + 20;

		outWaveFile.Seek(0,CFile::begin);
		outWaveFile.Write(&WvH,sizeof(WAVEHEADER));
	
	//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(_T("Audio can not be open!"));
	}
	pWaveHdr1->lpData=(LPSTR)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=(LPSTR)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
	
	bRecording = TRUE ;
	bEnding = FALSE ;
	dwDataLength = 0 ;
	waveInStart (hWaveIn) ;
}

void CWAVEDlg::OnClose() 
{

	//TRACE("rec stop \n");
	bEnding=TRUE;
	//Sleep(1500);
	WvH.dwDataLen=dwDataLength;
	WvH.dwFileLen=WvH.dwDataLen + 16 + 20;
	outWaveFile.SeekToBegin();
    outWaveFile.Write(&WvH,sizeof(WAVEHEADER));
	waveInReset(hWaveIn);	
	waveInReset(hWaveIn);
	((CWnd *)(this->GetDlgItem(IDC_START)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_CLOSE)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY)))->EnableWindow(TRUE);
}




void CWAVEDlg::OnSave() 
{
	sndPlaySound(_T("data.wav"),SND_ASYNC);
}

void CWAVEDlg::OnMM_WIM_OPEN(UINT wParam, LONG lParam) 
{
	// TODO: Add your message handler code here and/or call default
	((CWnd *)(this->GetDlgItem(IDC_START)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_CLOSE)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY_PAUSE)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY_STOP)))->EnableWindow(FALSE);
	SetTimer(1,100,NULL);
	bRecording=TRUE;


//	TRACE("MM_WIM_OPEN\n");
	
	
}


void CWAVEDlg::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(_T("erro memory"));
		return ;
	}
	
	pSaveBuffer = pNewBuffer ;
	//////////////////////////////////////////////////////////////////////////
	
	CopyMemory (pSaveBuffer + dwDataLength, ((PWAVEHDR) lParam)->lpData,
		((PWAVEHDR) lParam)->dwBytesRecorded) ;
	
	dwDataLength += ((PWAVEHDR) lParam)->dwBytesRecorded ;
*/
//	pSaveBuffer = (PBYTE)realloc (pSaveBuffer, ((PWAVEHDR) lParam)->dwBytesRecorded) ;
	pNewBuffer = (PBYTE)realloc (pSaveBuffer, dwDataLength +
		((PWAVEHDR) lParam)->dwBytesRecorded) ;
	
	if (pNewBuffer == NULL)
	{
		waveInClose (hWaveIn) ;
		MessageBeep (MB_ICONEXCLAMATION) ;
		AfxMessageBox(_T("erro memory"));
		return ;
	}
	
	pSaveBuffer = pNewBuffer ;
	CopyMemory (pSaveBuffer, ((PWAVEHDR) lParam)->lpData,
		((PWAVEHDR) lParam)->dwBytesRecorded) ;
	dwDataLength += ((PWAVEHDR) lParam)->dwBytesRecorded ;
    outWaveFile.Write(pSaveBuffer,((PWAVEHDR) lParam)->dwBytesRecorded);




/*	if (bEnding)
	{
		waveInClose (hWaveIn) ;
		return ;


	}
*/		
		

	/*	
		CFile file;	
		file.Open(_T("data.wav"),CFile::modeWrite|CFile::modeCreate);	
		file.Write(pSaveBuffer,dwDataLength);	
		file.Close();

*/
		

	//LPMMIOINFO lpmmioinfo;


	//mmioOpen( _T("data.wav"), lpmmioinfo,MMIO_CREATE);
	
	// Send out a new buffer
	
	waveInAddBuffer (hWaveIn, (PWAVEHDR) lParam, sizeof (WAVEHDR)) ;
	//TRACE("done input data\n");
	return ;

	
}


void CWAVEDlg::OnMM_WIM_CLOSE(UINT wParam, LONG lParam) 
{
	// TODO: Add your message handler code here and/or call default
	KillTimer(1);
	//TRACE("MM_WIM_CLOSE\n");
	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_START)))->EnableWindow(TRUE);
		((CWnd *)(this->GetDlgItem(IDC_CLOSE)))->EnableWindow(FALSE);
		((CWnd *)(this->GetDlgItem(IDC_PLAY)))->EnableWindow(TRUE);
		((CWnd *)(this->GetDlgItem(IDC_PLAY_PAUSE)))->EnableWindow(FALSE);
		((CWnd *)(this->GetDlgItem(IDC_PLAY_STOP)))->EnableWindow(FALSE);
	}
	bRecording = FALSE ;
	((CWnd *)(this->GetDlgItem(IDC_START)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_CLOSE)))->EnableWindow(FALSE);
	
	
	
	
	return ;
	
}


void CWAVEDlg::OnMM_WOM_OPEN(UINT wParam, LONG lParam){
	//TRACE("open MM_WOM_OPEN\n");
	// Set up header
	
	pWaveHdr1->lpData          = (LPSTR)pSaveBuffer ;
	pWaveHdr1->dwBufferLength  = dwDataLength ;
	pWaveHdr1->dwBytesRecorded = 0 ;
	pWaveHdr1->dwUser          = 0 ;
	pWaveHdr1->dwFlags         = WHDR_BEGINLOOP | WHDR_ENDLOOP ;
	pWaveHdr1->dwLoops         = dwRepetitions ;
	pWaveHdr1->lpNext          = NULL ;
	pWaveHdr1->reserved        = 0 ;
	
	// Prepare and write
	
	waveOutPrepareHeader (hWaveOut, pWaveHdr1, sizeof (WAVEHDR)) ;
	waveOutWrite (hWaveOut, pWaveHdr1, sizeof (WAVEHDR)) ;
	
	bEnding = FALSE ;
	bPlaying = TRUE ;
	
	((CWnd *)(this->GetDlgItem(IDC_START)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_CLOSE)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY_PAUSE)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY_STOP)))->EnableWindow(TRUE);
	

	
	
}


void CWAVEDlg::OnMM_WOM_DONE(UINT wParam, LONG lParam){

	//TRACE("open MM_WOM_DONE\n");
	waveOutUnprepareHeader (hWaveOut, pWaveHdr1, sizeof (WAVEHDR)) ;
	waveOutClose (hWaveOut) ;
	
	bPaused = FALSE ;
	dwRepetitions = 1 ;
	bPlaying = FALSE ;	
	
	return  ;
	
}

void CWAVEDlg::OnMM_WOM_CLOSE(UINT wParam, LONG lParam){
//	TRACE("open MM_WOM_CLOSE\n");
	bPaused = FALSE ;
	dwRepetitions = 1 ;
	bPlaying = FALSE ;	

	((CWnd *)(this->GetDlgItem(IDC_START)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_CLOSE)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY)))->EnableWindow(TRUE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY_PAUSE)))->EnableWindow(FALSE);
	((CWnd *)(this->GetDlgItem(IDC_PLAY_STOP)))->EnableWindow(FALSE);
	return ;
	
}


void CWAVEDlg::OnTimer(UINT nIDEvent) 
{
	CDialog::OnTimer(nIDEvent);
	MMTIME mmTime;
	mmTime.wType=TIME_MS;
	TCHAR time[20];
	switch(nIDEvent) {
	case 1:
	waveInGetPosition(hWaveIn,&mmTime,sizeof(MMTIME));
	//itoa(mmTime.u.ms/10000,time,10);
	((CWnd *)GetDlgItem(IDC_STATIC))->SetWindowText(time);
	}
	return;
}

void CWAVEDlg::OnPlay() 
{
		if (bPlaying) 
		{
		waveOutReset(hWaveOut);
		}

		//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(_T("Audio output erro"));
		}
		

	return ;
}

void CWAVEDlg::OnPlayPause() 
{
	if (!bPlaying) {
			return;
		}
		if (!bPaused) {
			waveOutPause(hWaveOut);
			bPaused = TRUE;
		}
		else
		{
			waveOutRestart(hWaveOut);
			bPaused=FALSE;
		}	
		return ;
}

void CWAVEDlg::OnPlayStop() 
{
	if (!bPlaying) {
			return ;
		}
		bEnding=TRUE;
		waveOutReset(hWaveOut);
		return ;
}