class not registered ERROR!!

[sreejith p das]

hai all,

When I was trying to initialize a decoder DMO , I got an error when
debugging the following code:

IBaseFilter *pFilter;
hr = CoCreateInstance(CLSID_DMOWrapperFilter, NULL,
CLSCTX_INPROC_SERVER, IID_IBaseFilter,
reinterpret_cast<void**>(&pFilter));
if(S_OK == hr)
{
IDMOWrapperFilter *pDmoWrapper;
if(FAILED(hr = pFilter->QueryInterface(IID_IDMOWrapperFilter,(void **)
&pDmoWrapper)))
{
return hr;
}
hr = pDmoWrapper->Init(CLSID_CWMVDecMediaObject2,
DMOCATEGORY_VIDEO_DECODER); //Error in this line

pDmoWrapper->Release();

IMediaObject *pMediaObject;
hr = pDmoWrapper->QueryInterface(IID_IMediaObject,(void **)&pMediaObject)
;
DMO_MEDIA_TYPE* pmt;
hr = pMediaObject->GetInputType(1,1,pmt);
}

the value of hr returned -2147221164 (class not registered).

I didn't understand what is to be done to clear the error. Can any one help
me??

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[The March Hare [MVP]]

Post by sreejith p das
When I was trying to initialize a decoder DMO , I got an error when

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