C++ (Cpp) IGraphConfig Exemples

Exemple #1

STDMETHODIMP VideoFakeSrc::JoinFilterGraph(IFilterGraph* pGraph, LPCWSTR pName)
{
    HRESULT hr;

    // The filter is joining the filter graph.
    if(NULL != pGraph)
    {
        IGraphConfig* pGraphConfig = NULL;
        hr = pGraph->QueryInterface(IID_IGraphConfig, (void**)&pGraphConfig);
        if(FAILED(hr))
            return hr;

        hr = CBaseFilter::JoinFilterGraph(pGraph, pName);
        if(FAILED(hr))
        {
            pGraphConfig->Release();
            return hr;
        }

        m_pOutputPin->SetConfigInfo(pGraphConfig, m_evFilterStoppingEvent);
        pGraphConfig->Release();
    }
    else
    {
        hr = CBaseFilter::JoinFilterGraph(pGraph, pName);
        if(FAILED(hr))
            return hr;

        m_pOutputPin->SetConfigInfo(NULL, NULL);
    }

    return S_OK;
}

Exemple #2

Fichier : dynsrc.cpp Projet : forssil/thirdpartysource

STDMETHODIMP CDynamicSource::JoinFilterGraph(IFilterGraph* pGraph, LPCWSTR pName)
{
    CAutoLock lock(&m_cStateLock);

    HRESULT hr;
    int nCurrentPin;
    CDynamicSourceStream* pOutputPin;

    // The filter is joining the filter graph.
    if(NULL != pGraph)
    {
        IGraphConfig* pGraphConfig = NULL;

        hr = pGraph->QueryInterface(IID_IGraphConfig, (void**)&pGraphConfig);
        if(FAILED(hr))
        {
            return hr;
        }

        hr = CBaseFilter::JoinFilterGraph(pGraph, pName);
        if(FAILED(hr))
        {
            pGraphConfig->Release();
            return hr;
        }

        for(nCurrentPin = 0; nCurrentPin < GetPinCount(); nCurrentPin++)
        {
            pOutputPin = (CDynamicSourceStream*) GetPin(nCurrentPin);
            pOutputPin->SetConfigInfo(pGraphConfig, m_evFilterStoppingEvent);
        }

        pGraphConfig->Release();
    }
    else
    {
        hr = CBaseFilter::JoinFilterGraph(pGraph, pName);
        if(FAILED(hr))
        {
            return hr;
        }

        for(nCurrentPin = 0; nCurrentPin < GetPinCount(); nCurrentPin++)
        {
            pOutputPin = (CDynamicSourceStream*)GetPin(nCurrentPin);
            pOutputPin->SetConfigInfo(NULL, NULL);
        }
    }

    return S_OK;
}