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使用DShow采集攝像頭圖像并預覽,熟悉一下Filter的使用,希望對大家有用

代碼片段和文件信息
//?GetDeviceInfo.cpp?:?Defines?the?class?behaviors?for?the?application.
//
#include?“stdafx.h“
#include?“GetDeviceInfo.h“
#include?“GetDeviceInfoDlg.h“
#ifdef?_DEBUG
#define?new?DEBUG_NEW
#endif
//?CGetDeviceInfoApp
BEGIN_MESSAGE_MAP(CGetDeviceInfoApp?CWinApp)
ON_COMMAND(ID_HELP?&CWinApp::onhelp)
END_MESSAGE_MAP()
//?CGetDeviceInfoApp?construction
CGetDeviceInfoApp::CGetDeviceInfoApp()
{
//?support?Restart?Manager
m_dwRestartManagerSupportFlags?=?AFX_RESTART_MANAGER_SUPPORT_RESTART;
//?TODO:?add?construction?code?here
//?Place?all?significant?initialization?in?InitInstance
}
//?The?one?and?only?CGetDeviceInfoApp?object
CGetDeviceInfoApp?theApp;
//?CGetDeviceInfoApp?initialization
BOOL?CGetDeviceInfoApp::InitInstance()
{
//?InitCommonControlsEx()?is?required?on?Windows?XP?if?an?application
//?manifest?specifies?use?of?ComCtl32.dll?version?6?or?later?to?enable
//?visual?styles.??Otherwise?any?window?creation?will?fail.
INITCOMMONCONTROLSEX?InitCtrls;
InitCtrls.dwSize?=?sizeof(InitCtrls);
//?Set?this?to?include?all?the?common?control?classes?you?want?to?use
//?in?your?application.
InitCtrls.dwICC?=?ICC_WIN95_CLASSES;
InitCommonControlsEx(&InitCtrls);
CWinApp::InitInstance();
AfxEnableControlContainer();
//?Create?the?shell?manager?in?case?the?dialog?contains
//?any?shell?tree?view?or?shell?list?view?controls.
CShellManager?*pShellManager?=?new?CShellManager;
//?Activate?“Windows?Native“?visual?manager?for?enabling?themes?in?MFC?controls
CMFCVisualManager::SetDefaultManager(RUNTIME_CLASS(CMFCVisualManagerWindows));
//?Standard?initialization
//?If?you?are?not?using?these?features?and?wish?to?reduce?the?size
//?of?your?final?executable?you?should?remove?from?the?following
//?the?specific?initialization?routines?you?do?not?need
//?Change?the?registry?key?under?which?our?settings?are?stored
//?TODO:?You?should?modify?this?string?to?be?something?appropriate
//?such?as?the?name?of?your?company?or?organization
SetRegistryKey(_T(“Local?AppWizard-Generated?Applications“));
CGetDeviceInfoDlg?dlg;
m_pMainWnd?=?&dlg;
INT_PTR?nResponse?=?dlg.DoModal();
if?(nResponse?==?IDOK)
{
//?TODO:?Place?code?here?to?handle?when?the?dialog?is
//??dismissed?with?OK
}
else?if?(nResponse?==?IDCANCEL)
{
//?TODO:?Place?code?here?to?handle?when?the?dialog?is
//??dismissed?with?Cancel
}
else?if?(nResponse?==?-1)
{
TRACE(traceAppMsg?0?“Warning:?dialog?creation?failed?so?application?is?terminating?unexpectedly.\n“);
TRACE(traceAppMsg?0?“Warning:?if?you?are?using?MFC?controls?on?the?dialog?you?cannot?#define?_AFX_NO_MFC_CONTROLS_IN_DIALOGS.\n“);
}
//?Delete?the?shell?manager?created?above.
if?(pShellManager?!=?NULL)
{
delete?pShellManager;
}
//?Since?the?dialog?has?been?closed?return?FALSE?so?that?we?exit?the
//??application?rather?than?start?the?application‘s?message?pump.
return?FALSE;
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????109428??2017-02-09?17:28??CameraPreview\GetDeviceInfo.aps
?????文件???????3006??2017-02-09?15:31??CameraPreview\GetDeviceInfo.cpp
?????文件????????547??2017-02-09?15:31??CameraPreview\GetDeviceInfo.h
?????文件??????13254??2017-02-09?17:28??CameraPreview\GetDeviceInfo.rc
?????文件????????892??2017-02-09?15:32??CameraPreview\GetDeviceInfo.sln
????..A..H.?????24576??2017-02-09?17:51??CameraPreview\GetDeviceInfo.v11.suo
?????文件???????6442??2017-02-09?15:42??CameraPreview\GetDeviceInfo.vcxproj
?????文件???????2132??2017-02-09?15:31??CameraPreview\GetDeviceInfo.vcxproj.filters
?????文件??????17499??2017-02-09?17:34??CameraPreview\GetDeviceInfoDlg.cpp
?????文件???????2477??2017-02-09?17:33??CameraPreview\GetDeviceInfoDlg.h
?????文件???????4768??2017-02-09?15:31??CameraPreview\ReadMe.txt
????.......?????67777??2013-06-05?10:20??CameraPreview\res\GetDeviceInfo.ico
?????文件????????810??2017-02-09?15:31??CameraPreview\res\GetDeviceInfo.rc2
?????文件???????2108??2017-02-09?17:28??CameraPreview\resource.h
?????文件????????215??2017-02-09?15:31??CameraPreview\stdafx.cpp
?????文件???????2215??2017-02-09?17:19??CameraPreview\stdafx.h
?????文件????????314??2017-02-09?15:31??CameraPreview\targetver.h
?????目錄??????????0??2017-02-09?15:31??CameraPreview\res
?????目錄??????????0??2017-02-09?17:51??CameraPreview
-----------?---------??----------?-----??----
???????????????258460????????????????????19
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