audiocodecdlg.cpp

转换音频Wav到PCM PCM -> G723 G729 Gsm iLBC G723 G729 Gsm iLBC -> PCM 需要p_voice库支持

// AudioCodecDlg.cpp : implementation file
//

#include "stdafx.h"
#include "AudioCodec.h"
#include "AudioCodecDlg.h"

#include "AudioFile.h"
#include "WaveFile.h"

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

static TCHAR szDatFilter[] = _T("Data files (*.dat)|*.dat|All data files|*.dat;*.pcm;*.raw|All files (*.*)|*.*||");
static TCHAR szTxtFilter[] = _T("Text files (*.txt)|*.txt|All files (*.*)|*.*||");
static TCHAR szPcmFilter[] = _T("PCM files (*.pcm)|*.pcm|All data files|*.dat;*.pcm;*.raw|All files (*.*)|*.*||");
static TCHAR szWaveFilter[] = _T("Wave files (*.wav)|*.wav|All files (*.*)|*.*||");

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CAudioCodecDlg dialog

CAudioCodecDlg::CAudioCodecDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAudioCodecDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAudioCodecDlg)
	m_bAudioNoAcm = FALSE;
	m_bUseVAD = FALSE;
	m_bUseHighRate = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CAudioCodecDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAudioCodecDlg)
	DDX_Control(pDX, IDC_AUDIO_TYPE, m_ctlAudioType);
	DDX_Check(pDX, IDC_AUDIO_NO_ACM, m_bAudioNoAcm);
	DDX_Check(pDX, IDC_USE_VAD, m_bUseVAD);
	DDX_Check(pDX, IDC_USE_HIGH_RATE, m_bUseHighRate);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAudioCodecDlg, CDialog)
	//{{AFX_MSG_MAP(CAudioCodecDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_WAVE_CONVERTER, OnWaveConverter)
	ON_CBN_SELCHANGE(IDC_AUDIO_TYPE, OnSelchangeAudioType)
	ON_BN_CLICKED(IDC_AUDIO_NO_ACM, OnAudioNoAcm)
	ON_BN_CLICKED(IDC_ENCODE_FILE, OnEncodeFile)
	ON_BN_CLICKED(IDC_DECODE_FILE, OnDecodeFile)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAudioCodecDlg message handlers

BOOL CAudioCodecDlg::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
	m_ctlAudioType.AddString("8k pass through");
	m_ctlAudioType.AddString("ITU-T G.711 A Law");
	m_ctlAudioType.AddString("ITU-T G.711 MU Law");
	m_ctlAudioType.AddString("ITU-T G.721 ADPCM");
	m_ctlAudioType.AddString("GSM 6.10");
	m_ctlAudioType.AddString("ITU-T G.729 with Annex A&B");
	m_ctlAudioType.AddString("ITU-T G.723.1");
	m_ctlAudioType.AddString("ILBC 30ms");
	m_iAudioType = AfxGetApp()->GetProfileInt("Audio", "CodecType", 0);
	m_ctlAudioType.SetCurSel(m_iAudioType);

	m_bAudioNoAcm = AfxGetApp()->GetProfileInt("Audio", "AudioNoAcm", 0);
	m_bUseHighRate = AfxGetApp()->GetProfileInt("Audio", "UseHighRate", 0);
	m_bUseVAD = AfxGetApp()->GetProfileInt("Audio", "UseVAD", 0);
	UpdateData(FALSE);
	OnSelchangeAudioType();
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CAudioCodecDlg::OnWaveConverter() 
{
	CString strSrcName = AfxGetApp()->GetProfileString(_T("WAVE2PCM"), _T("SrcName"), _T("demo.wav"));
	CString strDstName = AfxGetApp()->GetProfileString(_T("WAVE2PCM"), _T("DstName"), _T("demo.pcm"));
	CFileDialog dlgOpen(TRUE, _T("*.wav"), strSrcName, OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST, szWaveFilter);
	CFileDialog dlgSave(FALSE, _T("*.pcm"), strDstName, OFN_PATHMUSTEXIST, szPcmFilter);

	if (dlgOpen.DoModal() != IDOK)
		return;

	strSrcName = dlgOpen.GetPathName();
	AfxGetApp()->WriteProfileString(_T("WAVE2PCM"), _T("SrcName"), strSrcName);

	if (dlgSave.DoModal() != IDOK)
		return;

	strDstName = dlgSave.GetPathName();
	AfxGetApp()->WriteProfileString(_T("WAVE2PCM"), _T("DstName"), strDstName);

	Wave2Pcm(strDstName, strSrcName);
}

BOOL CAudioCodecDlg::Wave2Pcm(CString strDstName, CString strSrcName)
{
	CWaveFile fileSrc;
	CFile fileDst;
	int iLen;
	char * p;

	if (!fileSrc.Open(strSrcName, MMIO_READ))
	{
		AfxMessageBox("Can not open source file");
		return FALSE;
	}

	iLen = fileSrc.GetDataLength();
	p = (char *)malloc(iLen);
	if (p == NULL)
	{
		AfxMessageBox("Not enough memory");
		fileSrc.Close();
		return FALSE;
	}

	fileSrc.Read((unsigned char *)p, iLen);
	fileSrc.Close();

	fileDst.Open(strDstName, CFile::modeCreate|CFile::modeWrite);
	fileDst.Write(p, iLen);
	fileDst.Close();
	free(p);

	return TRUE;
}

void CAudioCodecDlg::OnSelchangeAudioType() 
{
	UpdateData();
	m_iAudioType = m_ctlAudioType.GetCurSel();
	GetDlgItem(IDC_USE_VAD)->EnableWindow((m_iAudioType == 5 || m_iAudioType == 6) && m_bAudioNoAcm);
	GetDlgItem(IDC_USE_HIGH_RATE)->EnableWindow((m_iAudioType == 6) && m_bAudioNoAcm );
	UpdateData(FALSE);
	AfxGetApp()->WriteProfileInt("Audio", "CodecType", m_iAudioType );
}

void CAudioCodecDlg::OnAudioNoAcm() 
{
	OnSelchangeAudioType();
}

void CAudioCodecDlg::OnEncodeFile() 
{
	CString strSrcName = AfxGetApp()->GetProfileString(_T("AudioEncode"), _T("SrcName"), _T("udpaudio.pcm"));
	CFileDialog dlgOpen(TRUE, _T("*.pcm"), strSrcName, OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST, szPcmFilter);

	if (dlgOpen.DoModal() != IDOK)
		return;

	strSrcName = dlgOpen.GetPathName();
	AfxGetApp()->WriteProfileString(_T("AudioEncode"), _T("SrcName"), strSrcName);

	CString strDstName = AfxGetApp()->GetProfileString(_T("AudioEncode"), _T("DstName"), _T("udpaudio.dat"));
	CFileDialog dlgSave(FALSE, _T("*.dat"), strDstName, OFN_PATHMUSTEXIST, szDatFilter);

	if (dlgSave.DoModal() != IDOK)
		return;

	strDstName = dlgSave.GetPathName();
	AfxGetApp()->WriteProfileString(_T("AudioEncode"), _T("DstName"), strDstName);

	AudioEncode(strDstName, strSrcName);
}

void CAudioCodecDlg::OnDecodeFile() 
{
	CString strSrcName = AfxGetApp()->GetProfileString(_T("AudioDecode"), _T("SrcName"), _T("udpaudio.dat"));
	CFileDialog dlgOpen(TRUE, _T("*.dat"), strSrcName, OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST, szDatFilter);

	if (dlgOpen.DoModal() != IDOK)
		return;

	strSrcName = dlgOpen.GetPathName();
	AfxGetApp()->WriteProfileString(_T("AudioDecode"), _T("SrcName"), strSrcName);

	CString strDstName = AfxGetApp()->GetProfileString(_T("AudioDecode"), _T("DstName"), _T("udpaudio.pcm"));
	CFileDialog dlgSave(FALSE, _T("*.pcm"), strDstName, OFN_PATHMUSTEXIST, szPcmFilter);

	if (dlgSave.DoModal() != IDOK)
		return;

	strDstName = dlgSave.GetPathName();
	AfxGetApp()->WriteProfileString(_T("AudioDecode"), _T("DstName"), strDstName);

	AudioDecode(strDstName, strSrcName);
}

BOOL CAudioCodecDlg::AudioDecode(CString strDstName, CString strSrcName)
{
	CAudioFile file;
	CFile fileWrite;
	int iSize;
	char * p;

	BeginWaitCursor();
	file.Open(strSrcName, CFile::modeRead);
	iSize = file.SetOptions(m_iAudioType, (!m_bAudioNoAcm), m_bUseVAD, m_bUseHighRate);
	p = (char *)malloc(iSize);
	iSize = file.Read(p, iSize);
	file.Close();

	fileWrite.Open(strDstName, CFile::modeCreate|CFile::modeWrite);
	fileWrite.Write(p, iSize);
	fileWrite.Close();

	free(p);
	EndWaitCursor();

	return TRUE;
}



BOOL CAudioCodecDlg::AudioEncode(CString strDstName, CString strSrcName)
{
	CAudioFile file;
	CFile fileRead;
	int iSize;
	char * p;

	BeginWaitCursor();
	fileRead.Open(strSrcName, CFile::modeRead);
	iSize = fileRead.GetLength();
	p = (char *)malloc(iSize);
	fileRead.Read(p, iSize);
	fileRead.Close();
	
	if (file.Open(strDstName, CFile::modeCreate|CFile::modeWrite))
	{
		file.SetOptions(m_iAudioType, (!m_bAudioNoAcm), m_bUseVAD, m_bUseHighRate);
		file.Write(p, iSize);
		file.Close();
	}

	free(p);
	EndWaitCursor();

	return TRUE;
}

void CAudioCodecDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	UpdateData( );
	
	AfxGetApp()->WriteProfileInt("Audio", "AudioNoAcm", m_bAudioNoAcm);
	AfxGetApp()->WriteProfileInt("Audio", "UseHighRate", m_bUseHighRate);
	AfxGetApp()->WriteProfileInt("Audio", "UseVAD", m_bUseVAD);
	CDialog::OnCancel();
}