recorddlg.cpp

Wince下一个简单的录音程序

// RecordDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Record.h"
#include "RecordDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define MRCHECK(mr,str)\
    if ((mr != MMSYSERR_NOERROR)) { RETAILMSG(1, (TEXT(#str) TEXT(" failed. mr=%08x\r\n"), mr));}

// -----------------------------------------------------------------------------
//                              FileHeader
// -----------------------------------------------------------------------------
typedef struct
{
   DWORD   dwRiff;     // Type of file header.
   DWORD   dwSize;     // Size of file header.
   DWORD   dwWave;     // Type of wave.
} RIFF_FILEHEADER, *PRIFF_FILEHEADER;


// -----------------------------------------------------------------------------
//                              ChunkHeader
// -----------------------------------------------------------------------------
typedef struct
{
   DWORD   dwCKID;        // Type Identification for current chunk header.
   DWORD   dwSize;        // Size of current chunk header.
} RIFF_CHUNKHEADER, *PRIFF_CHUNKHEADER;

/*  Chunk Types  
*/
#define RIFF_FILE       mmioFOURCC('R','I','F','F')
#define RIFF_WAVE       mmioFOURCC('W','A','V','E')
#define RIFF_FORMAT     mmioFOURCC('f','m','t',' ')
#define RIFF_CHANNEL    mmioFOURCC('d','a','t','a')
/////////////////////////////////////////////////////////////////////////////
// CRecordDlg dialog

CRecordDlg::CRecordDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRecordDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CRecordDlg)
		// 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);
	bRecording=FALSE;
	bPlaying=FALSE;
	bReverse=FALSE;
	bPaused=FALSE;
	bEnding=FALSE;
	bTerminating=FALSE;
	dwDataLength=0;
	dwRepetitions=1;
}

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

BEGIN_MESSAGE_MAP(CRecordDlg, CDialog)
	//{{AFX_MSG_MAP(CRecordDlg)
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_PLAY_PAUSE, OnPlayPause)
	ON_BN_CLICKED(IDC_PLAY_START, OnPlayStart)
	ON_BN_CLICKED(IDC_PLAY_STOP, OnPlayStop)
	ON_BN_CLICKED(IDC_REC_START, OnRecStart)
	ON_BN_CLICKED(IDC_REC_STOP, OnRecStop)
	ON_WM_TIMER()
	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_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRecordDlg message handlers

BOOL CRecordDlg::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
	SetWindowPos(this,0,0,320,240,SWP_SHOWWINDOW);

	// 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 CRecordDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
	CDialog::OnClose();
	if (bRecording) 
	{
		bTerminating=TRUE;
		bEnding=TRUE;
		waveInReset(hWaveIn);
		RETAILMSG(1,(TEXT("waveInReset\n")));
		Sleep(500);
		//return CWinThread::ExitInstance();
	}
	if (bPlaying) 
	{
		bTerminating=TRUE;
		bEnding=TRUE;
		waveOutReset(hWaveOut);
		Sleep(500);
		//return CWinThread::ExitInstance();
	}
	free (pWaveHdr1) ;
	free (pWaveHdr2) ;
	free (pSaveBuffer) ;
}

void CRecordDlg::OnPlayPause() 
{
	// TODO: Add your control notification handler code here
	if (!bPlaying)
		return;

	if (!bPaused)
	{
		waveOutPause(hWaveOut);
		bPaused = TRUE;
		((CWnd *)GetDlgItem(IDC_PLAY_PAUSE))->SetWindowText(_T("Continue"));
	}
	else
	{
		waveOutRestart(hWaveOut);
		bPaused=FALSE;
		((CWnd *)GetDlgItem(IDC_PLAY_PAUSE))->SetWindowText(_T("Pause"));
	}	
	return ;
}

void CRecordDlg::OnPlayStart() 
{
	// TODO: Add your control notification handler code here
	if (bPlaying)
		waveOutReset(hWaveOut);

	//open waveform audio for output
	waveform.wFormatTag		=	WAVE_FORMAT_PCM;
	waveform.nChannels		=	1;
	waveform.nSamplesPerSec=11025;
	waveform.nAvgBytesPerSec=11025;
	//waveform.nSamplesPerSec=22050;
	//waveform.nAvgBytesPerSec=22050;
	//waveform.nBlockAlign	=1;
	//waveform.wBitsPerSample	=8;
	waveform.nBlockAlign=2;
	waveform.wBitsPerSample=16;
	waveform.nAvgBytesPerSec=22050;
	waveform.cbSize			=0;
	
	
	if (waveOutOpen(&hWaveOut,0,&waveform,(DWORD)this->m_hWnd,NULL,CALLBACK_WINDOW)) {
		MessageBeep(MB_ICONEXCLAMATION);
		RETAILMSG(1,(TEXT("Audio output erro")));
	}

	CurTime = 0;

	return ;
}

void CRecordDlg::OnPlayStop() 
{
	// TODO: Add your control notification handler code here
	if (!bPlaying)
		return ;

	bEnding=TRUE;
	waveOutReset(hWaveOut);
	return ;
}

void CRecordDlg::OnRecStart() 
{
	// TODO: Add your control notification handler code here
	//allocate buffer memory
	MMRESULT mr;

	pBuffer1=(PBYTE)malloc(INP_BUFFER_SIZE);
	pBuffer2=(PBYTE)malloc(INP_BUFFER_SIZE);
	if (!pBuffer1) {
		if (pBuffer1) free(pBuffer1);
		if (pBuffer2) free(pBuffer2);
		MessageBeep(MB_ICONEXCLAMATION);
		RETAILMSG(1,(TEXT("Memory erro!")));
		return ;
	}
	
	//open waveform audo for input
	
	waveform.wFormatTag=WAVE_FORMAT_PCM;
	waveform.nChannels=1;
	waveform.nSamplesPerSec=11025;
	//waveform.nAvgBytesPerSec=11025;
	//waveform.nSamplesPerSec=22050;
	//waveform.nAvgBytesPerSec=22050;
	//waveform.nBlockAlign=1;
	//waveform.wBitsPerSample=8;
	waveform.nBlockAlign=2;
	waveform.wBitsPerSample=16;
	waveform.nAvgBytesPerSec=22050;
	waveform.cbSize=0;

	
	if (waveInOpen(&hWaveIn,0,&waveform,(DWORD)this->m_hWnd,NULL,CALLBACK_WINDOW)) {
		free(pBuffer1);
		free(pBuffer2);
		MessageBeep(MB_ICONEXCLAMATION);
		RETAILMSG(1,(TEXT("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;
	
	mr=waveInPrepareHeader(hWaveIn,pWaveHdr1,sizeof(WAVEHDR));
	MRCHECK(mr, waveInPrepareHeader);
	
	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
	
	mr=waveInAddBuffer (hWaveIn, pWaveHdr1, sizeof (WAVEHDR)) ;
	MRCHECK(mr, waveInAddBuffer);
	waveInAddBuffer (hWaveIn, pWaveHdr2, sizeof (WAVEHDR)) ;
	
	// Begin sampling
	
	bRecording = TRUE ;
	bEnding = FALSE ;
	dwDataLength = 0 ;
	CurTime = 0;
	TotalTime = 0;
	mr=waveInStart(hWaveIn);
	MRCHECK(mr, waveInStart);
}

void CRecordDlg::OnRecStop() 
{
	// TODO: Add your control notification handler code here
	bEnding=TRUE;
    waveInReset(hWaveIn);
	RETAILMSG(1,(TEXT("waveInReset\n")));
}

void CRecordDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	
	CDialog::OnTimer(nIDEvent);
	MMTIME mmTime;
	mmTime.wType=TIME_BYTES;
	TCHAR time[20];
	switch(nIDEvent)
	{
	case 1:
		if(bRecording)
		{
			waveInGetPosition(hWaveIn,&mmTime,sizeof(MMTIME));
			CurTime++;
			TotalTime++;
			_itow(CurTime,time,10);
		}
		if(bPlaying)
		{
			waveOutGetPosition(hWaveOut,&mmTime,sizeof(MMTIME));