//-------------------------------------------------------------------
//?CCaptureVideo視頻捕捉類實現文件CaptureVideo.cpp
//-------------------------------------------------------------------
//?CaptureVideo.cpp:?implementation?of?the?CCaptureVideo?class.
//
/////////////////////////////////////////////////////////////////////
#include?“stdafx.h“
#include?“CaptureVideo.h“
#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif
BOOL?bOneShot=FALSE;//全局變量
class?CSampleGrabberCB?:?public?ISampleGrabberCB?
{
public:
	long?lWidth;
	long?lHeight;
	TCHAR?m_szFileName[MAX_PATH];//?位圖文件名稱
	CSampleGrabberCB（?）
	{
		strcpy（m_szFileName?“c:\\donaldo.bmp“）;
	}?
	STDMETHODIMP_（ULONG）?AddRef（）?{?return?2;?}
	STDMETHODIMP_（ULONG）?Release（）?{?return?1;?}
	STDMETHODIMP?QueryInterface（REFIID?riid?void?**?ppv）
	{
		if（?riid?==?IID_ISampleGrabberCB?||?riid?==?IID_IUnknown?）
		{?
			*ppv?=?（void?*）?static_cast?（?this?）;
			return?NOERROR;
		}?
		return?E_NOINTERFACE;
	}
	STDMETHODIMP?SampleCB（?double?SampleTime?IMediaSample?*?pSample?）
	{
		return?0;
	}
	STDMETHODIMP?BufferCB（?double?dblSampleTime?BYTE?*?pBuffer?long?lBufferSize?）
	{
		if（?!bOneShot?）return?0;
		if?（!pBuffer）return?E_POINTER;
		SaveBitmap（pBuffer?lBufferSize）;
		bOneShot?=?FALSE;
		return?0;
	}
	//創建位圖文件
	BOOL?SaveBitmap（BYTE?*?pBuffer?long?lBufferSize?）
	{
		HANDLE?hf?=?CreateFile（
		m_szFileName?GENERIC_WRITE?FILE_SHARE_READ?NULL
		CREATE_ALWAYS?NULL?NULL?）;
		if（?hf?==?INVALID_HANDLE_VALUE?）return?0;
		//?寫文件頭?
		BITMAPFILEHEADER?bfh;
		memset（?&bfh?0?sizeof（?bfh?）?）;
		bfh.bfType?=‘MB‘;
		bfh.bfSize?=?sizeof（?bfh?）?+?lBufferSize?+?sizeof（?BITMAPINFOHEADER?）;
		bfh.bfOffBits?=?sizeof（?BITMAPINFOHEADER?）?+?sizeof（?BITMAPFILEHEADER?）;
		DWORD?dwWritten?=?0;
		WriteFile（?hf?&bfh?sizeof（?bfh?）?&dwWritten?NULL?）;
		//?寫位圖格式
		BITMAPINFOHEADER?bih;
		memset（?&bih?0?sizeof（?bih?）?）;
		bih.biSize?=?sizeof（?bih?）;
		bih.biWidth?=?lWidth;
		bih.biHeight?=?lHeight;
		bih.biPlanes?=?1;
		bih.biBitCount?=?24;
		WriteFile（?hf?&bih?sizeof（?bih?）?&dwWritten?NULL?）;
		//?寫位圖數據
		WriteFile（?hf?pBuffer?lBufferSize?&dwWritten?NULL?）;
		CloseHandle（?hf?）;
		return?0;
	}
};
CSampleGrabberCB?mCB;
//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////
CCaptureVideo::CCaptureVideo（）
{
	//COM?Library?Intialization
	if（FAILED（CoInitialize（NULL）））?/*?COINIT_APARTMENTTHREADED）））*/
	{
		AfxMessageBox（“CoInitialize?Failed!\r\n“）;?
		return;
	}
	m_hWnd?=?NULL;
	m_pVW?=?NULL;
	m_pMC?=?NULL;
	m_pGB?=?NULL;
	m_pCapture?=?NULL;?
}
CCaptureVideo::~CCaptureVideo（）
{
	//?Stop?media?playback
	if（m_pMC）m_pMC->Stop（）;
	if（m_pVW）
	{
		m_pVW->put_Visible（OAFALSE）;
		m_pVW->put_Owner（NULL）;
	}
	srelease（m_pCapture）;
	srelease（m_pMC）;
	srelease（m_pGB）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????8913??2007-10-18?18:41??test\CaptureVideo.cpp

?????文件???????1447??2007-10-18?18:42??test\CaptureVideo.h

?????文件??????77105??2007-10-18?19:12??test\Debug\CaptureVideo.obj

?????文件??????????0??2007-10-18?19:12??test\Debug\CaptureVideo.sbr

?????文件?????105731??2007-10-18?19:12??test\Debug\StdAfx.obj

?????文件????1375518??2007-10-18?19:12??test\Debug\StdAfx.sbr

?????文件????6358016??2007-10-18?19:17??test\Debug\test.bsc

?????文件?????131115??2007-10-19?13:37??test\Debug\test.exe

?????文件?????437896??2007-10-19?13:37??test\Debug\test.ilk

?????文件??????42141??2007-10-18?19:13??test\Debug\test.obj

?????文件????6890572??2007-10-18?19:12??test\Debug\test.pch

?????文件?????558080??2007-10-19?13:37??test\Debug\test.pdb

?????文件???????2612??2007-10-19?13:37??test\Debug\test.res

?????文件??????????0??2007-10-18?19:13??test\Debug\test.sbr

?????文件??????55355??2007-10-18?19:17??test\Debug\testDlg.obj

?????文件??????????0??2007-10-18?19:17??test\Debug\testDlg.sbr

?????文件?????312320??2011-12-24?00:05??test\Debug\vc60.idb

?????文件?????626688??2007-10-18?19:17??test\Debug\vc60.pdb

?????文件?????401484??2004-03-18?18:36??test\msvcrtd.dll文件\msvcrtd.dll

?????文件?????????40??2007-12-21?20:47??test\msvcrtd.dll文件\安裝.bat

?????文件???????3543??2007-10-18?18:56??test\ReadMe.txt

?????文件???????1078??2007-10-18?18:56??test\res\test.ico

?????文件????????396??2007-10-18?18:56??test\res\test.rc2

????..A.SH.??????3072??2011-05-18?08:49??test\res\Thumbs.db

?????文件????????820??2007-10-18?18:59??test\resource.h

?????文件????????206??2007-10-18?18:56??test\StdAfx.cpp

?????文件???????1054??2007-10-18?18:56??test\StdAfx.h

?????文件??????20884??2011-12-23?23:59??test\test.aps

?????文件???????1211??2011-12-24?00:06??test\test.clw

?????文件???????2035??2007-10-18?18:56??test\test.cpp

............此處省略18個文件信息