HRESULT CStreamSwitcherFilter::CompleteConnect(PIN_DIRECTION dir, CBasePin* pPin, IPin* pReceivePin)
{
if (dir == PINDIR_INPUT) {
CAutoLock cAutoLock(&m_csPins);
int nConnected = GetConnectedInputPinCount();
if (nConnected == 1) {
m_pInput = static_cast<CStreamSwitcherInputPin*>(pPin);
}
if ((size_t)nConnected == m_pInputs.GetCount()) {
CStringW name;
name.Format(L"Channel %d", ++m_PinVersion);
HRESULT hr = S_OK;
CStreamSwitcherInputPin* pPin = DEBUG_NEW CStreamSwitcherInputPin(this, &hr, name);
if (!pPin || FAILED(hr)) {
delete pPin;
return E_FAIL;
}
m_pInputs.AddTail(pPin);
}
}
return S_OK;
}
STDMETHODIMP CStreamSwitcherFilter::Count(DWORD* pcStreams)
{
if(!pcStreams) return E_POINTER;
CAutoLock cAutoLock(&m_csPins);
*pcStreams = GetConnectedInputPinCount();
return S_OK;
}
