The VideoLAN Forums

Posted: **22 Jan 2008 12:47**

Hi,

I have set mulitiple instances in my MFC application. It's normarl while beginning,but when I made them quit ,the app crash!!!!

who knows?
//create vlc

Code: Select all

for (int i=0;i<vlcCount;i++)
	{
        memset(temp,0,sizeof(temp));
		sprintf_s(temp,10,"%d",(i+1));

		vlc[i] = NULL;
		vlc[i] = new CVlcplugin1;

		//position
		CRect rect;
		GetClientRect(&rect);
		rect.SetRect(cx,cy,cx+190,cy+190);
		cx+=200;
		if (cx==1400)
		{
			cy+=200;
			cx=0;
		}
		
		vlc[i]->Create(temp,WS_CHILD | WS_VISIBLE ,rect,this,IDC_VLCPLUGIN1);

		VARIANT va;
		VariantInit(&va);

		vlc[i]->addTarget ("c:\\test.avi", va, 1,0); 
		vlc[i]->put_Visible(TRUE);
		vlc[i]->put_Volume(50);
	}
	//play
	for (int i=0;i<vlcCount;i++)
	{
		vlc[i]->play(); 
	}

//release vlc

Code: Select all

for (int i=0;i<count;i++)
	{
		if (vlc[i]!=NULL)
		{
			if (vlc[i]->get_Playing())
			{
				vlc[i]->stop();
				vlc[i]->DestroyWindow();
            delete vlc[i];
			   vlc[i]=NULL;
			}
		}
	}

thanks you!
cheers
maojz

Posted: **22 Jan 2008 17:45**

Give us backtrace and FIX vlc!

Posted: **23 Jan 2008 04:04**

thank you j-b
Ok,I will describe the problem with more specifiction.

when I set more than two vlc in my MFC application,In the release vlc fuction,in the second "for cycle",at vlc->destroywindow(); the app will crash.and jump this window: Monitors.exe at 0x7c92eb74 exception: 0xC0000008: An invalid handle was specified.

and the code will jump into occsite.cpp ,at m_pObject->Release();:

Code: Select all

COleControlSite::COleControlSite(COleControlContainer* pCtrlCont) :
	m_pCtrlCont(pCtrlCont),
	m_pWndCtrl(NULL),
   m_pDC(NULL),
	m_nID((UINT)-1),
	m_pObject(NULL),
	m_pInPlaceObject(NULL),
	m_pActiveObject(NULL),
   m_pWindowlessObject(NULL),
	m_dwEventSink(0),
	m_dwPropNotifySink(0),
	m_dwMiscStatus(0),
	m_dwNotifyDBEvents(0),
	m_pDataSourceControl(NULL),
	m_pDSCSite(NULL),
	m_defdispid(0),
	m_dwType(0),
	m_pBindings(NULL),
	m_bIgnoreNotify(FALSE),
	m_bIsDirty(FALSE),
   m_bIsWindowless(FALSE)
{
	memset(&m_varResult, 0, sizeof(VARIANT));
	m_varResult.vt = VT_EMPTY;
}

COleControlSite::~COleControlSite()
{
   if (m_pCtrlCont && m_pCtrlCont->m_pSiteCapture == this)
   {
	  m_pCtrlCont->m_pSiteCapture = NULL;
   }

	delete m_pDataSourceControl;

	DetachWindow();

	DisconnectSink(m_iidEvents, m_dwEventSink);
	DisconnectSink(IID_IPropertyNotifySink, m_dwPropNotifySink);
	DisconnectSink(IID_INotifyDBEvents, m_dwNotifyDBEvents);

   if (m_pWindowlessObject != NULL)
   {
	  m_pWindowlessObject->Release();
	  m_pWindowlessObject = NULL;
   }

	if (m_pInPlaceObject != NULL)
	{
		m_pInPlaceObject->InPlaceDeactivate();
		m_pInPlaceObject->Release();
		m_pInPlaceObject = NULL;
	}

	if (m_pActiveObject != NULL)
	{
		m_pActiveObject->Release();
		m_pActiveObject = NULL;
	}

	if (m_pObject != NULL)
	{
		m_pObject->SetClientSite(NULL);
		m_pObject->Close(OLECLOSE_NOSAVE);
		m_pObject->Release();
		m_pObject = NULL;
	}

	::VariantClear(&m_varResult);

	BindProperty(DISPID_UNKNOWN, NULL);  // gets rid of complex bindings

	if (m_defdispid != 0 && m_pDSCSite != NULL && 
		m_pDSCSite->m_pDataSourceControl != NULL)
	{
		// get rid of simple bindings
		m_pDSCSite->m_pDataSourceControl->BindProp(this, FALSE);  
	}

	if (m_pCtrlCont && m_bIsWindowless)
	{
	   m_pCtrlCont->m_nWindowlessControls--;
	   ASSERT(m_pCtrlCont->m_nWindowlessControls >= 0);
	}
}

Any question with the release fuction that I have writed?

thank you !
Best Regards,
maojz

Posted: **23 Jan 2008 04:04**

I used vlc :0.8.6d

Posted: **24 Jan 2008 02:50**

Anybody knows about it???
It seems a bug for VLC.

maojz

Posted: **05 Feb 2008 16:35**

Hi

Send me the project and will look into it to: spitzerbenjamin@gmail.com

Benji

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