This function checks if the Lens effect filter is available and turns off the effect area (cropping feature).
void IltmmConvert_GetSubObjectDispatch_Example (IltmmConvert* pConvert)
{
HRESULT hr;
IDispatch *pDisp = NULL;
ILMVLens *pLens = NULL;
// call the Capture object to retrieve the FilterGraph
hr = IltmmConvert_GetSubObjectDispatch(pConvert, ltmmConvert_Object_SelVideoProcessor, &pDisp);
if(SUCCEEDED(hr))
{
hr = IDispatch_QueryInterface(pDisp, &IID_ILMVLens, (void**)&pLens);
if(SUCCEEDED(hr))
{
ILMVLens_put_EffectAreaEnabled(pLens, VARIANT_FALSE);
ILMVLens_Release(pLens);
}
IDispatch_Release(pDisp);
}
}
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