//?CDXGraph.cpp:?implementation?of?the?CDXGraph?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
//#include?“ppz.h“////////////////注意
#include?//////////////注意
#include?“CDXGraph.h“

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

extern?int?i;
//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

CDXGraph::CDXGraph（）
{
	mGraph????????=?NULL;
	mMediaControl?=?NULL;
	mEvent????????=?NULL;
	mBasicVideo???=?NULL;
	mBasicAudio???=?NULL;
	mVideoWindow??=?NULL;
	mSeeking??????=?NULL;

	mobjectTableEntry?=?0;
}

CDXGraph::~CDXGraph（）
{
	Release（）;
}

void?CDXGraph::AddToobjectTable（void）
{
	IMoniker?*?pMoniker?=?0;
????IRunningobjectTable?*?objectTable?=?0;

????if?（SUCCEEDED（GetRunningobjectTable（0?&objectTable）））?
	{
		WCHAR?wsz[256];
		//?將數(shù)值按照指定的格式轉(zhuǎn)化為字符串:
		wsprintfW（wsz?L“FilterGraph?%08p?pid?%08x“?（DWORD_PTR）mGraph?GetCurrentProcessId（））;
		HRESULT?hr?=?CreateItemMoniker（L“!“?wsz?&pMoniker）;
		if?（SUCCEEDED（hr））?
		{
			hr?=?objectTable->Register（0?mGraph?pMoniker?&mobjectTableEntry）;
			pMoniker->Release（）;
		}
		objectTable->Release（）;
	}
}

bool?CDXGraph::Create（void）
{	//?如果沒有創(chuàng)建mGraph指針創(chuàng)建一個并初始化
	if?（!mGraph）
	{
		if?（SUCCEEDED（CoCreateInstance（CLSID_FilterGraph?NULL?CLSCTX_INPROC_SERVER
			IID_IGraphBuilder?（void?**）&mGraph）））	//?創(chuàng)建未經(jīng)初始化的mGraph
		{
			AddToobjectTable（）;	//?添加進去

			return?QueryInterfaces（）;
		}
		mGraph?=?0;
	}
	return?false;
}

//得到當前的position（換成s）給*outPosition
bool?CDXGraph::GetCurrentPosition（double?*outPosition）
{
	if?（mSeeking）//類IMediaSeeking
	{
		__int64?position?=?0;
		if?（SUCCEEDED（mSeeking->GetCurrentPosition（&position）））
		{
			*outPosition?=?（（double）position）?/?10000000.;
			return?true;
		}
	}
	return?false;
}
//得到持續(xù)時間Duration（換成s）給*outDuration
bool?CDXGraph::GetDuration（double?*outDuration）
{
	if?（mSeeking）
	{
		__int64?length?=?0;
		if?（SUCCEEDED（mSeeking->GetDuration（&length）））
		{
			*outDuration?=?（（double）length）?/?10000000.;
			return?true;
		}
	}
	return?false;
}

bool?CDXGraph::GetFullScreen（void）
{
	if?（mVideoWindow）
	{
		long??fullScreenMode?=?OAFALSE;
		mVideoWindow->get_FullScreenMode（&fullScreenMode）;
		return?（fullScreenMode?==?OATRUE）;
	}
	return?false;
}

bool?CDXGraph::GetStopPosition（double?*outPosition）
{
	if?（mSeeking）
	{
		__int64?position?=?0;
		if?（SUCCEEDED（mSeeking->GetStopPosition（&position）））
		{
			*outPosition?=?（（double）position）?/?10000000.;
			return?true;
		}
	}
	return?false;
}

bool?CDXGraph::IsPaused（void）
{
	if?（mGraph?&&?mMediaControl）
	{
		OAFilterState?state?=?State_Stopped;
		if?（SUCCEEDED（mMediaControl->GetState（10?&state）））
		{
			return?state?==?State_Paused;
		}
	}
	return?false;
}

bool?C

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

?????文件??????13313??2008-06-12?16:18??AviPlayerDemo\CDXGraph.cpp

?????文件???????1629??2008-06-13?09:22??AviPlayerDemo\CDXGraph.h

?????文件???????1938??2007-05-23?17:12??AviPlayerDemo\nicesliderctrl.cpp

?????文件???????1399??2007-04-29?08:46??AviPlayerDemo\nicesliderctrl.h

?????文件??????36016??2008-07-02?23:06??AviPlayerDemo\ppz.aps

?????文件???????1431??2008-07-02?23:08??AviPlayerDemo\ppz.clw

?????文件???????2476??2007-04-18?09:11??AviPlayerDemo\ppz.cpp

?????文件???????4434??2007-04-28?11:09??AviPlayerDemo\ppz.dsp

?????文件????????529??2007-04-16?17:03??AviPlayerDemo\ppz.dsw

?????文件?????172079??2008-07-02?23:06??AviPlayerDemo\ppz.exe

?????文件???????1322??2007-04-27?13:34??AviPlayerDemo\ppz.h

?????文件?????173056??2008-07-02?23:08??AviPlayerDemo\ppz.ncb

?????文件??????61952??2008-07-02?23:08??AviPlayerDemo\ppz.opt

?????文件???????2054??2008-07-02?23:06??AviPlayerDemo\ppz.plg

?????文件???????5540??2008-07-02?23:06??AviPlayerDemo\ppz.rc

?????文件??????33792??2007-05-10?17:05??AviPlayerDemo\ppz.vcb

?????文件??????37888??2007-05-10?17:05??AviPlayerDemo\ppz.vco

?????文件????????353??2007-05-08?17:33??AviPlayerDemo\ppz.vcw

?????文件??????10655??2008-07-02?23:06??AviPlayerDemo\ppzDlg.cpp

?????文件??????11637??2008-06-13?09:31??AviPlayerDemo\ppzDlg.cpp.bak

?????文件???????2381??2008-07-02?23:06??AviPlayerDemo\ppzDlg.h

?????文件???????3525??2007-04-16?17:03??AviPlayerDemo\ReadMe.txt

?????文件???????1078??2008-06-12?12:48??AviPlayerDemo\res\ppz.ico

?????文件????????395??2007-04-16?17:03??AviPlayerDemo\res\ppz.rc2

?????文件???????1141??2008-06-12?14:38??AviPlayerDemo\resource.h

?????文件????????205??2007-04-16?17:03??AviPlayerDemo\StdAfx.cpp

?????文件???????1056??2007-04-17?14:10??AviPlayerDemo\StdAfx.h

?????目錄??????????0??2008-07-02?22:47??AviPlayerDemo\Debug

?????目錄??????????0??2008-07-02?23:08??AviPlayerDemo\res

?????目錄??????????0??2008-07-02?23:08??AviPlayerDemo

............此處省略4個文件信息