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;
}
CStreamSwitcherFilter::CStreamSwitcherFilter(LPUNKNOWN lpunk, HRESULT* phr, const CLSID& clsid)
: CBaseFilter(NAME("CStreamSwitcherFilter"), lpunk, &m_csState, clsid)
{
if(phr) *phr = S_OK;
HRESULT hr = S_OK;
do
{
CAutoPtr<CStreamSwitcherInputPin> pInput;
CAutoPtr<CStreamSwitcherOutputPin> pOutput;
hr = S_OK;
pInput.Attach(DNew CStreamSwitcherInputPin(this, &hr, L"Channel 1"));
if(!pInput || FAILED(hr)) break;
hr = S_OK;
pOutput.Attach(DNew CStreamSwitcherOutputPin(this, &hr));
if(!pOutput || FAILED(hr)) break;
CAutoLock cAutoLock(&m_csPins);
m_pInputs.AddHead(m_pInput = pInput.Detach());
m_pOutput = pOutput.Detach();
return;
}
while(false);
if(phr) *phr = E_FAIL;
}
