HRESULT OutpinVideo::GetCapabilities(DWORD* pdw)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->GetCapabilities(pdw);
    }

    if (pdw == 0)
        return E_POINTER;

    DWORD& dw = *pdw;
    dw = 0;

    return S_OK;  //?
}
HRESULT Outpin::GetCapabilities(DWORD* pdw) {
  const Inpin& inpin = m_pFilter->m_inpin;
  const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

  if (bool(pSeek))
    return pSeek->GetCapabilities(pdw);

  if (pdw == 0)
    return E_POINTER;

  DWORD& dw = *pdw;
  dw = 0;

  return S_OK;
}