void DisplayDMOTypeInfo(const GUID *pCLSID,
ULONG& ulNumInputsSupplied, CListBox& ListInputTypes,
ULONG& ulNumOutputsSupplied, CListBox& ListOutputTypes)
{
const int NUM_PAIRS=20;
HRESULT hr;
DMO_PARTIAL_MEDIATYPE aInputTypes[NUM_PAIRS]={0},
aOutputTypes[NUM_PAIRS]={0};
ULONG ulNumInputTypes=NUM_PAIRS, ulNumOutputTypes=NUM_PAIRS, i;
TCHAR szCLSID[128];
// Read type/subtype information
hr = DMOGetTypes(
*pCLSID,
ulNumInputTypes, &ulNumInputsSupplied, aInputTypes,
ulNumOutputTypes, &ulNumOutputsSupplied, aOutputTypes);
if (FAILED(hr))
return;
// Show input type/subtype pairs
for (i=0; i<ulNumInputsSupplied; i++)
{
GetTypeSubtypeString(szCLSID, aInputTypes[i]);
ListInputTypes.AddString(szCLSID);
}
// Show output type/subtype pairs
for (i=0; i<ulNumOutputsSupplied; i++)
{
GetTypeSubtypeString(szCLSID, aOutputTypes[i]);
ListOutputTypes.AddString(szCLSID);
}
}
void MainDialog::AddTypeInfo(const GUID *pCLSID)
{
const int NUM_PAIRS=20;
HRESULT hr;
DMO_PARTIAL_MEDIATYPE aInputTypes[NUM_PAIRS]={0},
aOutputTypes[NUM_PAIRS]={0};
ULONG ulNumInputsSupplied, ulNumOutputsSupplied;
ULONG ulNumInputTypes=NUM_PAIRS, ulNumOutputTypes=NUM_PAIRS, i;
TCHAR szCLSID[128];
TCHAR szNum[10];
// Clear the type/subtype GUID boxes
ClearTypeLists();
// Read type/subtype information
hr = DMOGetTypes(
*pCLSID,
ulNumInputTypes,
&ulNumInputsSupplied,
aInputTypes,
ulNumOutputTypes,
&ulNumOutputsSupplied,
aOutputTypes);
// Display the number of input/output type/subtype pairs found
if (SUCCEEDED(hr))
{
hr = StringCchPrintf(szNum, NUMELMS(szNum), TEXT("%d\0"), ulNumInputsSupplied);
}
if (SUCCEEDED(hr))
{
SetDlgItemText(IDC_STATIC_NUM_ITYPES, szNum);
}
if (SUCCEEDED(hr))
{
hr = StringCchPrintf(szNum, NUMELMS(szNum), TEXT("%d\0"), ulNumOutputsSupplied);
}
if (SUCCEEDED(hr))
{
SetDlgItemText(IDC_STATIC_NUM_OTYPES, szNum);
}
if (SUCCEEDED(hr))
{
// Show input type/subtype pairs
for (i=0; i<ulNumInputsSupplied; i++)
{
hr = GetTypeSubtypeString(szCLSID, NUMELMS(szCLSID), aInputTypes[i]);
if (SUCCEEDED(hr))
{
m_ListInputTypes.AddString(szCLSID);
}
}
// Show output type/subtype pairs
for (i=0; i<ulNumOutputsSupplied; i++)
{
hr = GetTypeSubtypeString(szCLSID, NUMELMS(szCLSID), aOutputTypes[i]);
if (SUCCEEDED(hr))
{
m_ListOutputTypes.AddString(szCLSID);
}
}
}
}
