C++ (Cpp) BaseRendererImpl_QueryInterfaceの例

コード例 #1

ファイル: dsoundrender.c プロジェクト: reactos/reactos

static HRESULT WINAPI DSoundRender_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
{
    DSoundRenderImpl *This = impl_from_IBaseFilter(iface);
    TRACE("(%p, %p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);

    *ppv = NULL;

    if (IsEqualIID(riid, &IID_IBasicAudio))
        *ppv = &This->basicAudio.IBasicAudio_iface;
    else if (IsEqualIID(riid, &IID_IReferenceClock))
        *ppv = &This->IReferenceClock_iface;
    else if (IsEqualIID(riid, &IID_IAMDirectSound))
        *ppv = &This->IAMDirectSound_iface;
    else if (IsEqualIID(riid, &IID_IAMFilterMiscFlags))
        *ppv = &This->IAMFilterMiscFlags_iface;
    else
    {
        HRESULT hr;
        hr = BaseRendererImpl_QueryInterface(iface, riid, ppv);
        if (SUCCEEDED(hr))
            return hr;
    }

    if (*ppv)
    {
        IUnknown_AddRef((IUnknown *)(*ppv));
        return S_OK;
    }

    if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
        FIXME("No interface for %s!\n", qzdebugstr_guid(riid));

    return E_NOINTERFACE;
}

コード例 #2

ファイル: videorenderer.c プロジェクト: lucianolorenti/wine

static HRESULT WINAPI VideoRendererInner_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
{
    VideoRendererImpl *This = impl_from_IUnknown(iface);

    TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);

    *ppv = NULL;

    if (IsEqualIID(riid, &IID_IUnknown))
        *ppv = &This->IUnknown_inner;
    else if (IsEqualIID(riid, &IID_IBasicVideo))
        *ppv = &This->baseControlVideo.IBasicVideo_iface;
    else if (IsEqualIID(riid, &IID_IVideoWindow))
        *ppv = &This->baseControlWindow.IVideoWindow_iface;
    else if (IsEqualIID(riid, &IID_IAMFilterMiscFlags))
        *ppv = &This->IAMFilterMiscFlags_iface;
    else
    {
        HRESULT hr;
        hr = BaseRendererImpl_QueryInterface(&This->renderer.filter.IBaseFilter_iface, riid, ppv);
        if (SUCCEEDED(hr))
            return hr;
    }

    if (*ppv)
    {
        IUnknown_AddRef((IUnknown *)*ppv);
        return S_OK;
    }

    if (!IsEqualIID(riid, &IID_IPin))
        FIXME("No interface for %s!\n", qzdebugstr_guid(riid));

    return E_NOINTERFACE;
}

コード例 #3

static HRESULT WINAPI VideoRendererInner_QueryInterface(IUnknown * iface, REFIID riid, LPVOID * ppv)
{
    ICOM_THIS_MULTI(VideoRendererImpl, IInner_vtbl, iface);
    TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);

    if (This->bAggregatable)
        This->bUnkOuterValid = TRUE;

    *ppv = NULL;

    if (IsEqualIID(riid, &IID_IUnknown))
        *ppv = &This->IInner_vtbl;
    else if (IsEqualIID(riid, &IID_IBasicVideo))
        *ppv = &This->baseControlVideo.IBasicVideo_iface;
    else if (IsEqualIID(riid, &IID_IVideoWindow))
        *ppv = &This->baseControlWindow.IVideoWindow_iface;
    else if (IsEqualIID(riid, &IID_IAMFilterMiscFlags))
        *ppv = &This->IAMFilterMiscFlags_vtbl;
    else
    {
        HRESULT hr;
        hr = BaseRendererImpl_QueryInterface(&This->renderer.filter.IBaseFilter_iface, riid, ppv);
        if (SUCCEEDED(hr))
            return hr;
    }

    if (*ppv)
    {
        IUnknown_AddRef((IUnknown *)(*ppv));
        return S_OK;
    }

    if (!IsEqualIID(riid, &IID_IPin))
        FIXME("No interface for %s!\n", qzdebugstr_guid(riid));

    return E_NOINTERFACE;
}