Re: Com access violation

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#15674

From: ScOe
Date: Fri, 20 Jun 2003 16:27

33 lines
1961 bytes

"Remy Lebeau (TeamB)" <gambit47@yahoo.com> wrote in message
news:3ef2ab8c$3@newsgroups.borland.com...
>
> "ScOe" <sven.savic@zg.hinet.hr> wrote in message
> news:3ef2a7e3@newsgroups.borland.com...
>
> What is the ACTUAL value of hr?  It tells you exactly why
CoCreateInstance()
> failed.
>
i forgot to call CoInitialize ...
now i receive S_OK but again access violation on FindInterface

void TfrmMain::InitializeTuner ()
{
HRESULT hr;
hr = CoInitialize(NULL);
IAMTVTuner *pTV;
IBaseFilter *pVCap;
CComPtr<ICaptureGraphBuilder2> graphBuilder2_;
hr = graphBuilder2_.CoCreateInstance( CLSID_CaptureGraphBuilder2 );
if(hr != S_OK)
    return;
hr = graphBuilder2_->FindInterface(&PIN_CATEGORY_CAPTURE,
                                  &MEDIATYPE_Interleaved, pVCap,
                                  IID_IAMTVTuner, (void **)&pTV);
...

>
> Gambit
>
>

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From: "ScOe" <sven.savic@zg.hinet.hr>
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Subject: Re: Com access violation
Date: Fri, 20 Jun 2003 18:27:58 +0200
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