【VC开源代码栏目提醒】:网学会员--在 VC开源代码编辑为广大网友搜集整理了:DSWaveRecordDlg.cpp绩等信息,祝愿广大网友取得需要的信息,参考学习。
// DSWaveRecordDlg.cpp : implementation file
//
#include "stdafx.h"
#include "DSWaveRecord.h"
#include "DSWaveRecordDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include <atlbase.h>
#include <windows.h>
#include <dshow.h>
#include "objbase.h"
#pragma comment(lib, "Strmiids.lib")
IMediaControl* pMediaControl ;
IMoniker *pMoniker;
IBaseFilter *pSrc ,*pWaveDest ,*pWriter;
IFileSinkFilter2* pSink ;
IGraphBuilder *pGraph;
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
static const GUID CLSID_WavDest =
{ 0x3c78b8e2, 0x6c4d, 0x11d1, { 0xad, 0xe2, 0x0, 0x0, 0xf8, 0x75, 0x4b, 0x99 } };
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()
/////////////////////////////////////////////////////////////////////////////
// CDSWaveRecordDlg dialog
CDSWaveRecordDlg::CDSWaveRecordDlg(CWnd* pParent /*=NULL*/)
: CDialog(CDSWaveRecordDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CDSWaveRecordDlg)
// 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 CDSWaveRecordDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CDSWaveRecordDlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CDSWaveRecordDlg, CDialog)
//{{AFX_MSG_MAP(CDSWaveRecordDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_ADDPATH, OnAddpath)
ON_BN_CLICKED(IDC_RECORD, OnRecord)
ON_BN_CLICKED(IDC_STOP, OnStop)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDSWaveRecordDlg message handlers
BOOL CDSWaveRecordDlg::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
GetDlgItem(IDC_RECORD)->EnableWindow(false);
GetDlgItem(IDC_STOP)->EnableWindow(false);
GetDlgItem(IDC_PATH)->EnableWindow(false);
return TRUE;
}
void CDSWaveRecordDlg::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 CDSWaveRecordDlg::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 CDSWaveRecordDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CDSWaveRecordDlg::OnAddpath()
{
CFileDialog file(false,NULL,NULL,NULL,"文件(*.wav)|*.wav||");
if(file.DoModal()==IDOK)
{
CString strname=file.GetPathName();
strname+=".wav";
GetDlgItem(IDC_PATH)->SetWindowText(strname);
GetDlgItem(IDC_RECORD)->EnableWindow(true);
}
}
void CDSWaveRecordDlg::OnRecord()
{
CString tmp;
GetDlgItem(IDC_PATH)->GetWindowText(tmp);
if(tmp.IsEmpty())
{
MessageBox("请先设置文件");
return;
}
GetDlgItem(IDC_STOP)->EnableWindow(true);
ICaptureGraphBuilder2 * pBuilder = NULL;
pGraph = NULL;
pMediaControl = NULL;
CoCreateInstance(CLSID_CaptureGraphBuilder2,0,CLSCTX_INPROC_SERVER,IID_ICaptureGraphBuilder2,(void**)&pBuilder);
CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&pGraph);
pBuilder->SetFiltergraph(pGraph);
pGraph->QueryInterface(IID_IMediaControl,(void**)&pMediaControl);
ICreateDevEnum *pDevEnum = NULL;
CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
IID_ICreateDevEnum, (void **)&pDevEnum);
IEnumMoniker *pClassEnum = NULL;
pDevEnum->CreateClassEnumerator(CLSID_AudioInputDeviceCategory, &pClassEnum, 0);
ULONG cFetched;
if (pClassEnum->Next(1, &pMoniker, &cFetched) == S_OK)
{
pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pSrc);
pMoniker->Release();
}
pClassEnum->Release();
CoCreateInstance(CLSID_WavDest, NULL, CLSCTX_ALL,
IID_IBaseFilter, (void **)&pWaveDest);
CoCreateInstance(CLSID_FileWriter, NULL, CLSCTX_ALL,
IID_IBaseFilter, (void **)&pWriter);
pGraph->AddFilter(pSrc,L"Wav");
pGraph->AddFilter(pWaveDest,L"WavDest");
pGraph->AddFilter(pWriter,L"FileWriter");
pWriter->QueryInterface(IID_IFileSinkFilter2,(void**)&pSink);
pSink->SetFileName(tmp.AllocSysString(),NULL);
IPin* pOutpin = FindPin(pSrc,PINDIR_OUTPUT);
IPin*
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