www.gusucode.com > VC++ 多声道MP3录音实时压缩保存程序-源码程序 > VC++ 多声道MP3录音实时压缩保存程序-源码程序/code/HwAudioRecDlg.cpp

    // HwAudioRecDlg.cpp : implementation file
// Download by http://www.NewXing.com

#include "stdafx.h"
#include "HwAudioRec.h"
#include "HwAudioRecDlg.h"
#include  <io.h>

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

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()

/////////////////////////////////////////////////////////////////////////////
// CHwAudioRecDlg dialog

CHwAudioRecDlg::CHwAudioRecDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CHwAudioRecDlg::IDD, pParent)
	, m_nAudioDevicePos ( -1 )
{
	//{{AFX_DATA_INIT(CHwAudioRecDlg)
	m_nChannels = 0;
	m_nWaveInDevice = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CHwAudioRecDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CHwAudioRecDlg)
	DDX_Control(pDX, IDC_SLIDER_Microphone, m_Slider_Microphone);
	DDX_Control(pDX, IDC_SLIDER_LineIn, m_Slider_LineIn);
	DDX_Radio(pDX, IDC_RADIO_MONO, m_nChannels);
	DDX_Radio(pDX, IDC_RADIO_Microphone, m_nWaveInDevice);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CHwAudioRecDlg, CDialog)
	//{{AFX_MSG_MAP(CHwAudioRecDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_REC, OnButtonRec)
	ON_BN_CLICKED(IDC_BUTTON_STOP, OnButtonStop)
	ON_BN_CLICKED(IDC_BUTTON_PLAY, OnButtonPlay)
	ON_BN_CLICKED(IDC_BUTTON_COMPACT, OnButtonCompact)
	ON_BN_CLICKED(IDC_CHECK_WAVE, OnCheckWave)
	ON_BN_CLICKED(IDC_CHECK_MP3, OnCheckMp3)
	ON_BN_CLICKED(IDC_CHECK_LEFT, OnCheckLeft)
	ON_BN_CLICKED(IDC_CHECK_RIGHT, OnCheckRight)
	ON_BN_CLICKED(IDC_RADIO_MONO, OnRadioChannel)
	ON_BN_CLICKED(IDC_RADIO_Microphone, OnRADIOWaveInDevice)
	ON_CBN_SELCHANGE(IDC_COMBO_AUDIO_DEVICE, OnSelchangeComboAudioDevice)
	ON_BN_CLICKED(IDC_RADIO_LineIn, OnRADIOWaveInDevice)
	ON_BN_CLICKED(IDC_RADIO_STEREO, OnRadioChannel)
	ON_BN_CLICKED(IDC_RADIO_ALONE, OnRadioChannel)
	ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_LineIn, OnReleasedcaptureSLIDERLineIn)
	ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_Microphone, OnReleasedcaptureSLIDERMicrophone)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

void CallbackNotify ( UINT uWaveMsg, WPARAM wParam )
{
	CHwAudioRecDlg *pDlg = reinterpret_cast<CHwAudioRecDlg*>(wParam);
	ASSERT ( pDlg );
	if ( uWaveMsg == MM_WIM_CLOSE || uWaveMsg == MM_WOM_CLOSE )
	{
		pDlg->EnableCtrls ();
	}
}

//
// 如果指定了文件名就直接返回，否则打开一个对话框来让用户选择一个文件
//
CString CHwAudioRecDlg::GetFileName ( BOOL bOpen, LPCTSTR lpszTitle, LPCTSTR lpszFileName/*=NULL*/, char *szFilter/*=NULL*/ )
{
	if	(
			lpszFileName && strlen(lpszFileName) > 0 &&
			( ( bOpen && _access ( lpszFileName, 0 ) == 0 ) || !bOpen )
		)
	{
		return lpszFileName;
	}
	
	char szCurDir[MAX_PATH] = {0};
	DWORD dwRet = ::GetModuleFileName(NULL,(LPTSTR)szCurDir,sizeof(szCurDir));
	if ( szCurDir[dwRet-1] != '\\' )
		strncat ( szCurDir, "\\", sizeof(szCurDir) );

	CFileDialog FileDlg ( bOpen, ".wav", NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, szFilter, NULL );
//	FileDlg.m_ofn.lpstrInitialDir = szCurDir;
	FileDlg.m_ofn.lpstrTitle = LPSTR ( lpszTitle );
	if ( FileDlg.DoModal () != IDOK )
		return "";
	return FileDlg.GetPathName();

}

/////////////////////////////////////////////////////////////////////////////
// CHwAudioRecDlg message handlers

BOOL CHwAudioRecDlg::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

	// 得到所有的声卡设备
	for ( UINT i=0; i<m_Audio.GetWaveInCount(); i++ )
	{
		( (CComboBox*)GetDlgItem(IDC_COMBO_AUDIO_DEVICE) )->AddString ( m_Audio.GetWaveInName ( i ) );
	}
	
	int nAvailableDeviceIndex = m_Audio.GetAvailableDeviceIndex ();
	( (CComboBox*)GetDlgItem(IDC_COMBO_AUDIO_DEVICE) )->SetCurSel ( nAvailableDeviceIndex );
	m_nAudioDevicePos = nAvailableDeviceIndex;
	
	// 初始化音频对象
	CRect rc;
	GetDlgItem(IDC_STATIC_AUDIO)->GetWindowRect ( &rc );
	ScreenToClient ( &rc );
	if ( !m_Audio.Init ( ( (CComboBox*)GetDlgItem(IDC_COMBO_AUDIO_DEVICE) )->GetCurSel (),
		1024*4, GetSafeHwnd(), &rc, CallbackNotify, (WPARAM)this ) )
		MessageBox ( "Initialize callback device failed" );

	// 初始化音量控制控件
	SetVolume ( IDC_SLIDER_Microphone );
	SetVolume ( IDC_SLIDER_LineIn );
	m_Audio.SetWaveInDevice ( FALSE, m_Slider_Microphone.GetPos() );

	// 初始化其他控件
	GetDlgItem(IDC_STATIC_Note)->SetWindowText ( NOTE_AudioPlayRec );
	
	( (CButton*)GetDlgItem(IDC_CHECK_LEFT) )->SetCheck ( TRUE );
	( (CButton*)GetDlgItem(IDC_CHECK_RIGHT) )->SetCheck ( TRUE );
	( (CButton*)GetDlgItem(IDC_CHECK_WAVE) )->SetCheck ( TRUE );
	( (CButton*)GetDlgItem(IDC_CHECK_MP3) )->SetCheck ( TRUE );

	EnableCtrls ();

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CHwAudioRecDlg::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 CHwAudioRecDlg::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 CHwAudioRecDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CHwAudioRecDlg::OnButtonRec()
{
	UpdateData ( TRUE );
	BOOL bRet = m_Audio.Record ( (CAudioPlayRec::ENUM_REC_CHANNEL)m_nChannels,
		11025*2, 16 );

	AddSaveAudioFile ();
	EnableCtrls ();
}

void CHwAudioRecDlg::OnButtonStop() 
{
	m_Audio.Stop ();
	EnableCtrls ();
}

void CHwAudioRecDlg::OnOK() 
{
	if ( m_Audio.GetStatus () == CAudioPlayRec::ENUM_STATUS_PLAYING ||
		m_Audio.GetStatus () == CAudioPlayRec::ENUM_STATUS_RECORDING ||
		m_Audio.GetStatus () == CAudioPlayRec::ENUM_STATUS_STOPING )
	{
		AfxMessageBox ( "Busing" );
		return;
	}

	CDialog::OnOK();
}

void CHwAudioRecDlg::OnButtonPlay() 
{
	CString csFileName = GetFileName ( TRUE, "打开文件来播放", NULL, "Wave files(*.wav)|*.wav||" );
	if ( csFileName.IsEmpty() ) return;
	m_Audio.Play ( csFileName );
	EnableCtrls ();
	
}

void CHwAudioRecDlg::EnableCtrls()
{
	UpdateData ( TRUE );

	BOOL bEnable = !( m_Audio.GetStatus () == CAudioPlayRec::ENUM_STATUS_PLAYING ||
		m_Audio.GetStatus () == CAudioPlayRec::ENUM_STATUS_RECORDING ||
		m_Audio.GetStatus () == CAudioPlayRec::ENUM_STATUS_STOPING );
	GetDlgItem(IDC_RADIO_MONO)->EnableWindow ( bEnable );
	GetDlgItem(IDC_RADIO_STEREO)->EnableWindow ( bEnable );
	GetDlgItem(IDC_RADIO_ALONE)->EnableWindow ( bEnable );
	GetDlgItem(IDC_BUTTON_REC)->EnableWindow ( bEnable );
	GetDlgItem(IDC_BUTTON_PLAY)->EnableWindow ( bEnable );
	GetDlgItem(IDC_COMBO_AUDIO_DEVICE)->EnableWindow ( bEnable );

	bEnable = ( m_nChannels == (int)CAudioPlayRec::ENUM_REC_CHANNEL_ALONE );
	GetDlgItem(IDC_CHECK_LEFT)->EnableWindow ( bEnable );
	GetDlgItem(IDC_CHECK_RIGHT)->EnableWindow ( bEnable );
}

void CHwAudioRecDlg::OnButtonCompact() 
{
	::ShellExecute ( NULL,_T("open"), "mailto:chrys@163.com", NULL,NULL,SW_SHOW );
}

void CHwAudioRecDlg::OnCheckWave() 
{
	CheckCtrlClicked ( IDC_CHECK_WAVE );
}

void CHwAudioRecDlg::OnCheckMp3() 
{
	CheckCtrlClicked ( IDC_CHECK_MP3 );
}

void CHwAudioRecDlg::CheckCtrlClicked ( UINT uSaveCheckCtrlID )
{
	if ( ( (CButton*)GetDlgItem(uSaveCheckCtrlID) )->GetCheck() )
		AddSaveAudioFile ();
	else
		StopRecordAudioFile ();
}

BOOL CHwAudioRecDlg::AddSaveAudioFile ()
{
	BOOL bSaveToWav = ( (CButton*)GetDlgItem(IDC_CHECK_WAVE) )->GetCheck();
	BOOL bSaveToMp3 = ( (CButton*)GetDlgItem(IDC_CHECK_MP3) )->GetCheck();
	if ( bSaveToWav )
	{
		if ( !AddSaveAudioFile ( "wav" ) ) return FALSE;
	}
	if ( bSaveToMp3 )
	{
		if ( !AddSaveAudioFile ( "mp3" ) ) return FALSE;
	}

	return TRUE;
}

BOOL CHwAudioRecDlg::AddSaveAudioFile ( CString csExtName )
{
	UpdateData ( TRUE );
	if ( m_Audio.GetStatus () != CAudioPlayRec::ENUM_STATUS_RECORDING )
		return FALSE;
	
	// 录制单独通道
	if ( m_nChannels == CAudioPlayRec::ENUM_REC_CHANNEL_ALONE )
	{
		BOOL bLeft = ( (CButton*)GetDlgItem(IDC_CHECK_LEFT) )->GetCheck();
		BOOL bRight = ( (CButton*)GetDlgItem(IDC_CHECK_RIGHT) )->GetCheck();
		if ( bLeft )
		{
			if ( !m_Audio.StartRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_LEFT,
				"test_left."+csExtName ) )
				return FALSE;
		}
		if ( bRight )
		{
			if ( !m_Audio.StartRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_RIGHT,
				"test_right."+csExtName ) )
				return FALSE;
		}
	}
	else
	{
		if ( !m_Audio.StartRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_COMMON,
			"test."+csExtName ) )
			return FALSE;
	}
	
	return TRUE;
}

void CHwAudioRecDlg::StopRecordAudioFile ()
{
	BOOL bStopWav = !( (CButton*)GetDlgItem(IDC_CHECK_WAVE) )->GetCheck();
	BOOL bStopMp3 = !( (CButton*)GetDlgItem(IDC_CHECK_MP3) )->GetCheck();
	BOOL bStopLeft = !( (CButton*)GetDlgItem(IDC_CHECK_LEFT) )->GetCheck();
	BOOL bStopRight = !( (CButton*)GetDlgItem(IDC_CHECK_RIGHT) )->GetCheck();

	// 终止左声道录音文件
	if ( m_nChannels == CAudioPlayRec::ENUM_REC_CHANNEL_ALONE && bStopLeft )
	{
		m_Audio.StopRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_LEFT, "wav" );
		m_Audio.StopRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_LEFT, "mp3" );
	}
	// 终止右声道录音文件
	if ( m_nChannels == CAudioPlayRec::ENUM_REC_CHANNEL_ALONE && bStopRight )
	{
		m_Audio.StopRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_RIGHT, "wav" );
		m_Audio.StopRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_RIGHT, "mp3" );
	}
	// 终止wave录音文件
	if ( bStopWav )
	{
		m_Audio.StopRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_LEFT, "wav" );
		m_Audio.StopRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_RIGHT, "wav" );
	}
	// 终止mp3录音文件
	if ( bStopMp3 )
	{
		m_Audio.StopRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_LEFT, "mp3" );
		m_Audio.StopRecordAudioFile ( CAudioPlayRec::ENUM_FILE_CHANNEL_RIGHT, "mp3" );
	}
}

void CHwAudioRecDlg::OnCheckLeft() 
{
	CheckCtrlClicked ( IDC_CHECK_LEFT );
}

void CHwAudioRecDlg::OnCheckRight() 
{
	CheckCtrlClicked ( IDC_CHECK_RIGHT );
}

void CHwAudioRecDlg::OnRadioChannel() 
{
	EnableCtrls ();
}

void CHwAudioRecDlg::OnRADIOWaveInDevice() 
{
	UpdateData ( TRUE );
	m_Audio.SetWaveInDevice ( m_nWaveInDevice==1 );
	CSliderCtrl *pSliderCtrl = (m_nWaveInDevice==1) ? &m_Slider_LineIn : &m_Slider_Microphone;
	pSliderCtrl->SetPos ( pSliderCtrl->GetRangeMax() );
}

void CHwAudioRecDlg::SetVolume ( UINT nSliderID )
{
	CSliderCtrl *pSliderCtrl = (nSliderID==IDC_SLIDER_LineIn) ? &m_Slider_LineIn : &m_Slider_Microphone;
	
	DWORD dwMaxVolume, dwMinVolume;
	DWORD dwCurrentVolume = m_Audio.GetWaveInVolume ( nSliderID==IDC_RADIO_LineIn, &dwMaxVolume, &dwMinVolume );
	pSliderCtrl->SetRange ( dwMinVolume, dwMaxVolume );
	pSliderCtrl->SetTicFreq ( dwMaxVolume / 15 );
	pSliderCtrl->SetPos ( (int) dwCurrentVolume );
}

void CHwAudioRecDlg::OnSelchangeComboAudioDevice() 
{
	int nCurSel = ( (CComboBox*)GetDlgItem(IDC_COMBO_AUDIO_DEVICE) )->GetCurSel ();
	if ( nCurSel == m_nAudioDevicePos )
		return;
	m_Audio.SetDeviceID ( nCurSel );
	m_nAudioDevicePos = nCurSel;
}

void CHwAudioRecDlg::OnReleasedcaptureSLIDERLineIn(NMHDR* pNMHDR, LRESULT* pResult) 
{
	m_Audio.SetWaveInDevice ( TRUE, m_Slider_LineIn.GetPos() );
	
	*pResult = 0;
}

void CHwAudioRecDlg::OnReleasedcaptureSLIDERMicrophone(NMHDR* pNMHDR, LRESULT* pResult) 
{
	m_Audio.SetWaveInDevice ( FALSE, m_Slider_Microphone.GetPos() );
	
	*pResult = 0;
}