//////////////////////////////////////////////////////////////////////
//?Video?Capture?using?DirectShow
//?Author:?Shiqi?Yu?（shiqi.yu@gmail.com）
//?Thanks?to:
//		HardyAI@OpenCV?China
//		flymanbox@OpenCV?China?（for?his?contribution?to?function?CameraName?and?frame?width/height?setting）
//?Last?modification:?April?9?2009
//////////////////////////////////////////////////////////////////////


//////////////////////////////////////////////////////////////////////
//?使用說明：
//???1.?將CameraDS.h?CameraDS.cpp以及目錄DirectShow復制到你的項目中
//???2.?菜單?Project->Settings->Settings?for:（All?configurations）->C/C++->Category（Preprocessor）->Additional?include?directories
//??????設置為?DirectShow/Include
//???3.?菜單?Project->Settings->Settings?for:（All?configurations）->link->Category（Input）->Additional?library?directories
//??????設置為?DirectShow/Lib
//////////////////////////////////////////////////////////////////////

//?CameraDS.cpp:?implementation?of?the?CCameraDS?class.
//
//////////////////////////////////////////////////////////////////////
#include“stdafx.h“
#include?“CameraDS.h“

#pragma?comment（lib“Strmiids.lib“）?
//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

CCameraDS::CCameraDS（）
{
	m_bConnected?=?m_bLock?=?m_bChanged?=?false;
	m_nWidth?=?m_nHeight?=?0;
	m_nBufferSize?=?0;

	m_pframe?=?NULL;

	m_pNullFilter?=?NULL;
	m_pMediaEvent?=?NULL;
	m_pSampleGrabberFilter?=?NULL;
	m_pGraph?=?NULL;

	CoInitialize（NULL）;
}

CCameraDS::~CCameraDS（）
{
	CloseCamera（）;
	CoUninitialize（）;
}

void?CCameraDS::CloseCamera（）
{
	if（m_bConnected）
	{
		m_pMediaControl->Stop（）;
	}

	m_pGraph?=?NULL;
	m_pDeviceFilter?=?NULL;
	m_pMediaControl?=?NULL;
	m_pSampleGrabberFilter?=?NULL;
	m_pSampleGrabber?=?NULL;
	m_pGrabberInput?=?NULL;
	m_pGrabberOutput?=?NULL;
	m_pCameraOutput?=?NULL;
	m_pMediaEvent?=?NULL;
	m_pNullFilter?=?NULL;
	m_pNullInputPin?=?NULL;

	if?（m_pframe）
	{
		cvReleaseImage（&m_pframe）;
	}

	m_bConnected?=?m_bLock?=?m_bChanged?=?false;
	m_nWidth?=?m_nHeight?=?0;
	m_nBufferSize?=?0;
}

bool?CCameraDS::OpenCamera（int?nCamID?bool?bDisplayProperties?int?nWidth?int?nHeight）
{
	HRESULT?hr?=?S_OK;

	CoInitialize（NULL）;
	//?Create?the?Filter?Graph?Manager.
	hr?=?CoCreateInstance（CLSID_FilterGraph?NULL?CLSCTX_INPROC?IID_IGraphBuilder?（void?**）&m_pGraph）;

	hr?=?CoCreateInstance（CLSID_SampleGrabber?NULL?CLSCTX_INPROC_SERVER?IID_IbaseFilter?（LPVOID?*）&m_pSampleGrabberFilter）;

	hr?=?m_pGraph->QueryInterface（IID_IMediaControl?（void?**）?&m_pMediaControl）;
	hr?=?m_pGraph->QueryInterface（IID_IMediaEvent?（void?**）?&m_pMediaEvent）;

	hr?=?CoCreateInstance（CLSID_NullRenderer?NULL?CLSCTX_INPROC_SERVER?IID_IbaseFilter?（LPVOID*）?&m_pNullFilter）;

	hr?=?m_pGraph->AddFilter（m_pNullFilter?L“NullRenderer“）;

	hr?=?m_pSampleGrabberFilter->QueryInterface（IID_ISam

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

?????文件????2457600??2016-12-31?11:06??Directshow_4Camera\combase.pdb\A9819D7C64B44CA687E15F11AFE004F41\download.error

?????文件?????268800??2016-12-31?11:16??Directshow_4Camera\Debug\Directshow_4Camera.exe

?????文件????1904984??2016-12-31?11:16??Directshow_4Camera\Debug\Directshow_4Camera.ilk

?????文件????9129984??2016-12-31?11:16??Directshow_4Camera\Debug\Directshow_4Camera.pdb

?????文件??????11416??2016-12-30?22:18??Directshow_4Camera\Directshow_4Camera\CameraDS.cpp

?????文件???????3097??2010-11-16?17:20??Directshow_4Camera\Directshow_4Camera\CameraDS.h

?????文件???????6960??2012-03-14?16:52??Directshow_4Camera\Directshow_4Camera\CvvImage.cpp

?????文件???????1957??2016-11-26?17:01??Directshow_4Camera\Directshow_4Camera\CvvImage.h

?????文件?????332161??2016-12-31?10:49??Directshow_4Camera\Directshow_4Camera\Debug\CameraDS.obj

?????文件?????252225??2016-12-31?10:49??Directshow_4Camera\Directshow_4Camera\Debug\CvvImage.obj

?????文件???????4106??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\cl.command.1.tlog

?????文件??????94678??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\CL.read.1.tlog

?????文件???????4912??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\CL.write.1.tlog

?????文件????????175??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\Directshow_4Camera.lastbuildstate

?????文件???????2854??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\link.command.1.tlog

?????文件???????8162??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\link.read.1.tlog

?????文件???????1460??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\link.write.1.tlog

?????文件????????716??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\rc.command.1.tlog

?????文件???????3006??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\rc.read.1.tlog

?????文件????????354??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directsh.36A50D19.tlog\rc.write.1.tlog

?????文件???????2139??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directshow_4Camera.log

?????文件??????41502??2016-12-31?11:08??Directshow_4Camera\Directshow_4Camera\Debug\Directshow_4Camera.obj

?????文件???43253760??2016-12-31?10:49??Directshow_4Camera\Directshow_4Camera\Debug\Directshow_4Camera.pch

?????文件??????70424??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directshow_4Camera.res

?????文件?????344320??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\Directshow_4CameraDlg.obj

?????文件?????905058??2016-12-31?10:49??Directshow_4Camera\Directshow_4Camera\Debug\stdafx.obj

?????文件????3058688??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\vc120.idb

?????文件????8474624??2016-12-31?11:16??Directshow_4Camera\Directshow_4Camera\Debug\vc120.pdb

?????文件?????196608??2006-02-28?18:04??Directshow_4Camera\Directshow_4Camera\DirectShow\bin\libguide40.dll

?????文件??????11687??2010-05-31?09:25??Directshow_4Camera\Directshow_4Camera\DirectShow\CameraDS.cpp

............此處省略191個文件信息