Exemplos de IMediaSeekingPtr::CheckCapabilities em C++ (Cpp)

Exemplo n.º 1

Arquivo: vp8encoderoutpinvideo.cpp Projeto: kazutomi/xiphqt

HRESULT OutpinVideo::CheckCapabilities(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->CheckCapabilities(pdw);
    }

    if (pdw == 0)
        return E_POINTER;

    DWORD& dw = *pdw;

    const DWORD dwRequested = dw;

    if (dwRequested == 0)
        return E_INVALIDARG;

    return E_FAIL;
}

Exemplo n.º 2

Arquivo: vp8decoderoutpin.cpp Projeto: roh0sun/webmdshow

HRESULT Outpin::CheckCapabilities(DWORD* pdw) {
  const Inpin& inpin = m_pFilter->m_inpin;
  const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

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

  if (pdw == 0)
    return E_POINTER;

  DWORD& dw = *pdw;

  const DWORD dwRequested = dw;

  if (dwRequested == 0)
    return E_INVALIDARG;

  return E_FAIL;
}