STDMETHODIMP CBaseMuxerFilter::SetPositions(LONGLONG* pCurrent, DWORD dwCurrentFlags, LONGLONG* pStop, DWORD dwStopFlags)
{
FILTER_STATE fs;
if(SUCCEEDED(GetState(0, &fs)) && fs == State_Stopped)
{
POSITION pos = m_pInputs.GetHeadPosition();
while(pos)
{
CBasePin* pPin = m_pInputs.GetNext(pos);
CComQIPtr<IMediaSeeking> pMS = pPin->GetConnected();
if(!pMS) pMS = GetFilterFromPin(pPin->GetConnected());
if(pMS) pMS->SetPositions(pCurrent, dwCurrentFlags, pStop, dwStopFlags);
}
return S_OK;
}
return VFW_E_WRONG_STATE;
}
// if bSet, only accept settable pins
SeekingCollection(CBaseFilter* pFilter)
{
for (int i = 0; i < pFilter->GetPinCount(); i++)
{
CBasePin* pPin = pFilter->GetPin(i);
PIN_DIRECTION pindir;
pPin->QueryDirection(&pindir);
if (pindir == PINDIR_INPUT)
{
IMediaSeekingPtr pSeek = pPin->GetConnected();
if (pSeek != NULL)
{
m_Pins.push_back(pSeek.Detach());
}
}
}
}
