C++ (Cpp) IMediaSeekingPtr::ConvertTimeFormat примеры использования

Пример #1

Файл: vp8decoderoutpin.cpp Проект: roh0sun/webmdshow

HRESULT Outpin::ConvertTimeFormat(LONGLONG* ptgt, const GUID* ptgtfmt,
                                  LONGLONG src, const GUID* psrcfmt) {
  const Inpin& inpin = m_pFilter->m_inpin;
  const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

  if (bool(pSeek))
    return pSeek->ConvertTimeFormat(ptgt, ptgtfmt, src, psrcfmt);

  if (ptgt == 0)
    return E_POINTER;

  LONGLONG& tgt = *ptgt;

  const GUID& tgtfmt = ptgtfmt ? *ptgtfmt : TIME_FORMAT_MEDIA_TIME;
  const GUID& srcfmt = psrcfmt ? *psrcfmt : TIME_FORMAT_MEDIA_TIME;

  if (tgtfmt != TIME_FORMAT_MEDIA_TIME)
    return E_INVALIDARG;

  if (srcfmt != TIME_FORMAT_MEDIA_TIME)
    return E_INVALIDARG;

  tgt = src;
  return S_OK;
}

Пример #2

Файл: vp8encoderoutpinvideo.cpp Проект: kazutomi/xiphqt

HRESULT OutpinVideo::ConvertTimeFormat(
    LONGLONG* ptgt,
    const GUID* ptgtfmt,
    LONGLONG src,
    const GUID* psrcfmt)
{
    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->ConvertTimeFormat(ptgt, ptgtfmt, src, psrcfmt);
    }

    if (ptgt == 0)
        return E_POINTER;

    LONGLONG& tgt = *ptgt;

    const GUID& tgtfmt = ptgtfmt ? *ptgtfmt : TIME_FORMAT_MEDIA_TIME;
    const GUID& srcfmt = psrcfmt ? *psrcfmt : TIME_FORMAT_MEDIA_TIME;

    if (tgtfmt != TIME_FORMAT_MEDIA_TIME)
        return E_INVALIDARG;

    if (srcfmt != TIME_FORMAT_MEDIA_TIME)
        return E_INVALIDARG;

    tgt = src;
    return S_OK;
}