bool HDevice::ConnectFilters()
{
bool success = true;
if (!EnsureInitialized(L"ConnectFilters") ||
!EnsureInactive(L"ConnectFilters"))
return false;
if (videoCapture != NULL) {
success = ConnectPins(PIN_CATEGORY_CAPTURE,
MEDIATYPE_Video, videoFilter,
videoCapture);
if (!success) {
success = RenderFilters(PIN_CATEGORY_CAPTURE,
MEDIATYPE_Video, videoFilter,
videoCapture);
}
}
if ((audioCapture || audioOutput) && success) {
IBaseFilter *filter = (audioCapture != nullptr) ?
audioCapture.Get() : audioOutput.Get();
if (audioCapture != nullptr)
SetAudioBuffering(10);
success = ConnectPins(PIN_CATEGORY_CAPTURE,
MEDIATYPE_Audio, audioFilter,
filter);
if (!success) {
success = RenderFilters(PIN_CATEGORY_CAPTURE,
MEDIATYPE_Audio, audioFilter,
filter);
}
}
if (success)
LogFilters(graph);
return success;
}
void ezQtNodeScene::NodeEventsHandler(const ezDocumentNodeManagerEvent& e)
{
switch (e.m_EventType)
{
case ezDocumentNodeManagerEvent::Type::NodeMoved:
{
ezVec2 vPos = m_pManager->GetNodePos(e.m_pObject);
ezQtNode* pNode = m_Nodes[e.m_pObject];
pNode->setPos(vPos.x, vPos.y);
}
break;
case ezDocumentNodeManagerEvent::Type::AfterPinsConnected:
{
ConnectPins(e.m_pConnection);
}
break;
case ezDocumentNodeManagerEvent::Type::BeforePinsDisonnected:
{
DisconnectPins(e.m_pConnection);
}
break;
case ezDocumentNodeManagerEvent::Type::BeforePinsChanged:
{
}
break;
case ezDocumentNodeManagerEvent::Type::AfterPinsChanged:
{
}
break;
// case ezDocumentNodeManagerEvent::Type::BeforeNodeAdded:
// {
// }
// break;
case ezDocumentNodeManagerEvent::Type::AfterNodeAdded:
{
CreateNode(e.m_pObject);
}
break;
case ezDocumentNodeManagerEvent::Type::BeforeNodeRemoved:
{
DeleteNode(e.m_pObject);
}
break;
// case ezDocumentNodeManagerEvent::Type::AfterNodeRemoved:
// {
// }
// break;
default:
break;
}
}
void ezQtNodeScene::SetDocumentNodeManager(const ezDocumentNodeManager* pManager)
{
if (pManager == m_pManager)
return;
Clear();
if (m_pManager != nullptr)
{
m_pManager->m_NodeEvents.RemoveEventHandler(ezMakeDelegate(&ezQtNodeScene::NodeEventsHandler, this));
m_pManager->GetDocument()->GetSelectionManager()->m_Events.RemoveEventHandler(
ezMakeDelegate(&ezQtNodeScene::SelectionEventsHandler, this));
m_pManager->m_PropertyEvents.RemoveEventHandler(ezMakeDelegate(&ezQtNodeScene::PropertyEventsHandler, this));
}
m_pManager = pManager;
if (pManager != nullptr)
{
pManager->m_NodeEvents.AddEventHandler(ezMakeDelegate(&ezQtNodeScene::NodeEventsHandler, this));
m_pManager->GetDocument()->GetSelectionManager()->m_Events.AddEventHandler(
ezMakeDelegate(&ezQtNodeScene::SelectionEventsHandler, this));
m_pManager->m_PropertyEvents.AddEventHandler(ezMakeDelegate(&ezQtNodeScene::PropertyEventsHandler, this));
// Create Nodes
const auto& rootObjects = pManager->GetRootObject()->GetChildren();
for (const auto& pObject : rootObjects)
{
if (pManager->IsNode(pObject))
{
CreateNode(pObject);
}
}
// Connect Pins
for (auto it = m_Nodes.GetIterator(); it.IsValid(); ++it)
{
auto outputs = pManager->GetOutputPins(it.Value()->GetObject());
for (const ezPin* pOutPin : outputs)
{
auto connections = pOutPin->GetConnections();
for (const ezConnection* pConnection : connections)
{
ConnectPins(pConnection);
}
}
}
}
}
bool DShowMoviePlayer::loadMovie (void)
{
if (!_oleInitialized)
{
::CoInitialize (0);
}
char physicFileName[512];
wchar_t physicFileNameW[512];
ATOM_GetNativePathName (_fileName.c_str(), physicFileName);
if (!convertCStringToWString (physicFileName, physicFileNameW, 512))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "Error converting C string filename to UNICODE");
return false;
}
#if 1
HRESULT hr = ::CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&_graphBuilder);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating graph");
return false;
}
hr = ::CoCreateInstance (CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&_grabberFilter);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating sample grabber");
return false;
}
hr = _grabberFilter->QueryInterface (IID_ISampleGrabber, (void**)&_grabber);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying sample grabber");
return false;
}
AM_MEDIA_TYPE mt;
memset (&mt, 0, sizeof(AM_MEDIA_TYPE));
mt.majortype = MEDIATYPE_Video;
mt.subtype = MEDIASUBTYPE_RGB32;
mt.formattype = FORMAT_VideoInfo;
hr = _grabber->SetMediaType (&mt);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error setting smaple grabber media type");
return false;
}
hr = _graphBuilder->AddFilter (_grabberFilter, L"Sample Grabber");
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding filter");
return false;
}
hr = _graphBuilder->QueryInterface (IID_IMediaControl, (void**)&_control);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media control");
return false;
}
IBaseFilter *render = 0;
hr = ::CoCreateInstance (CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&render);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating render filter");
return false;
}
hr = _graphBuilder->AddFilter (render, L"Null renderer");
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding null-renderer filter");
return false;
}
hr = _control->RenderFile (physicFileNameW);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error rendering file");
return false;
}
#if 0
IPin *grabberOut = 0;
FindPin (_grabberFilter, PINDIR_OUTPUT, 0, &grabberOut);
if (grabberOut)
{
grabberOut->Disconnect ();
grabberOut->Release ();
}
#endif
SaveGraphFile (_graphBuilder, L"C:\\test.grf");
hr = _graphBuilder->QueryInterface (IID_IVideoWindow, (void**)&_window);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying video window");
return false;
}
_window->put_AutoShow (OAFALSE);
#if 0
if (!ConnectPins (_graphBuilder, _grabberFilter, 0, render, 0))
{
return false;
}
_control->RenderFile (physicFileNameW);
#endif
memset(&mt, 0, sizeof(mt));
mt.majortype = MEDIATYPE_Video;
mt.subtype = MEDIASUBTYPE_RGB32;
mt.formattype = FORMAT_VideoInfo;
hr = _grabber->GetConnectedMediaType (&mt);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error getting connected media type");
return false;
}
VIDEOINFOHEADER *vih = (VIDEOINFOHEADER*)mt.pbFormat;
_videoWidth = vih->bmiHeader.biWidth;
_videoHeight = vih->bmiHeader.biHeight;
_bufferSize = mt.lSampleSize;
if (mt.cbFormat != 0)
{
::CoTaskMemFree ((PVOID)mt.pbFormat);
mt.cbFormat = 0;
mt.pbFormat = 0;
}
if (mt.pUnk != NULL)
{
mt.pUnk->Release ();
mt.pUnk = NULL;
}
_grabber->SetOneShot (FALSE);
_grabber->SetBufferSamples (TRUE);
hr = _graphBuilder->QueryInterface (IID_IMediaEvent, (void**)&_event);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media event");
return false;
}
hr = _graphBuilder->QueryInterface (IID_IMediaSeeking, (void**)&_seeking);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media seeking");
return false;
}
#else
HRESULT hr = ::CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&_graphBuilder);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating graph");
return false;
}
hr = _graphBuilder->QueryInterface (IID_IMediaControl, (void**)&_control);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media control");
return false;
}
hr = _graphBuilder->QueryInterface (IID_IMediaEvent, (void**)&_event);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media event");
return false;
}
hr = _graphBuilder->QueryInterface (IID_IMediaSeeking, (void**)&_seeking);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media seeking");
return false;
}
hr = ::CoCreateInstance (CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&_grabberFilter);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating sample grabber");
return false;
}
hr = _graphBuilder->AddFilter (_grabberFilter, L"Sample Grabber");
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding filter");
return false;
}
hr = _grabberFilter->QueryInterface (IID_ISampleGrabber, (void**)&_grabber);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying sample grabber");
return false;
}
AM_MEDIA_TYPE mt;
memset (&mt, 0, sizeof(AM_MEDIA_TYPE));
mt.majortype = MEDIATYPE_Video;
mt.subtype = MEDIASUBTYPE_RGB24;
mt.formattype = FORMAT_VideoInfo;
hr = _grabber->SetMediaType (&mt);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error setting smaple grabber media type");
return false;
}
IBaseFilter *srcFilter = 0;
hr = _graphBuilder->AddSourceFilter (physicFileNameW, L"Source", &srcFilter);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding source filter");
return false;
}
hr = connectFilters (_graphBuilder, srcFilter, _grabberFilter);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error connecting filters");
return false;
}
IBaseFilter *render = 0;
hr = ::CoCreateInstance (CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&render);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating render filter");
return false;
}
_graphBuilder->AddFilter (render, L"Render");
hr = connectFilters (_graphBuilder, _grabberFilter, render);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error connect filters");
return false;
}
hr = _graphBuilder->RenderFile (physicFileNameW, NULL);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error rendering file");
return false;
}
hr = _graphBuilder->QueryInterface (IID_IVideoWindow, (void**)&_window);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying video window");
return false;
}
_window->put_AutoShow (OAFALSE);
AM_MEDIA_TYPE mtt;
hr = _grabber->GetConnectedMediaType (&mtt);
if (FAILED(hr))
{
ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error getting connected media type info");
return false;
}
VIDEOINFOHEADER *vih = (VIDEOINFOHEADER*)mtt.pbFormat;
_videoWidth = vih->bmiHeader.biWidth;
_videoHeight = vih->bmiHeader.biHeight;
if (mtt.cbFormat != 0)
{
::CoTaskMemFree ((PVOID)mtt.pbFormat);
mtt.cbFormat = 0;
mtt.pbFormat = 0;
}
if (mtt.pUnk != NULL)
{
mtt.pUnk->Release ();
mtt.pUnk = NULL;
}
_grabber->SetOneShot (FALSE);
_grabber->SetBufferSamples (TRUE);
#endif
return true;
}
