IltmmConvert::get_SourceStream Example for C++
// This method will fill the source stream with
// data from a buffer
void FillSourceFromMemory(UCHAR *pData, long lSize, IltmmConvert *pConvert)
{
IltmmMemory *pMemSource = NULL;
HRESULT hr = pConvert->get_SourceStream ((IUnknown**)&pMemSource);
if(FAILED(hr) || pMemSource == NULL)
return;
pMemSource->put_BufferSize (lSize);
SAFEARRAY sa;
VARIANT var;
// pass data
memset(&sa, 0, sizeof(sa));
sa.cbElements = sizeof(unsigned char);
sa.cDims = 1;
sa.fFeatures = (FADF_AUTO | FADF_FIXEDSIZE);
sa.pvData = pData;
sa.rgsabound[0].cElements = lSize;
VariantInit(&var);
V_VT(&var) = (VT_ARRAY | VT_UI1);
V_ARRAY(&var) = &sa;
pMemSource->SetData (0, lSize, var);
pMemSource->Release();
}