void
recChannel_t::refresh_channel(bool all)
{
__CONTEXT("recChannel_t::refresh_channel");
pControl->Stop();
#ifdef _WINDOWS
if (fControl)
{
fControl->CWnd::ShowWindow(SW_HIDE);
}
#endif
if (pSource!=NULL)
{
pGraph->RemoveFilter(pSource);
camInfo->setFree(true);
}
// Enumerate the filters in the graph.
IEnumFilters *pEnum = NULL;
int hr = pGraph->EnumFilters(&pEnum);
if (SUCCEEDED(hr))
{
IBaseFilter *pFilter = NULL;
while (S_OK == pEnum->Next(1, &pFilter, NULL))
{
CLSID filterId;
pFilter->GetClassID(&filterId);
if(filterId == CLSID_VideoRenderer ||
filterId == CLSID_VideoMixingRenderer)
{
IVideoWindow *pWindowInfo = NULL;
pFilter->QueryInterface(IID_IVideoWindow, (void **)&pWindowInfo);
pWindowInfo->get_Height(&windowInfo.heigth);
pWindowInfo->get_Left(&windowInfo.left);
pWindowInfo->get_Top(&windowInfo.top);
pWindowInfo->get_Width(&windowInfo.width);
pWindowInfo->put_AutoShow(OAFALSE);
pWindowInfo->put_Visible(OAFALSE);
if (all)
{
pGraph->RemoveFilter(pFilter);
pFilter->Release();
pEnum->Reset();
pWindowInfo->Release();
}
}else{
pGraph->RemoveFilter(pFilter);
pFilter->Release();
pEnum->Reset();
}
}
pEnum->Release();
}
if (all)
{
pGraph->Release();
hr = CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void **)&pGraph);
errorCheck(hr);
}
hr = pGraph->QueryInterface(IID_IMediaControl, (void **)&pControl);
errorCheck(hr);
}
