void FMPlayerDShow::Clear()
{
if (m_MediaControl != NULL)
m_MediaControl->Stop();
m_MediaControl.Release();
m_MediaEvent.Release();
m_FilterGraph.Release();
DisconnectPins(m_xVid);
DisconnectPins(m_AviSplitter);
m_xVid.Release();
m_FileSource.Release();
m_AviSplitter.Release();
m_MSAud.Release();
m_AC3Filter.Release();
m_DSoundFilter.Release();
m_GraphBuilt = FALSE;
m_VideoType = 0;
m_FourCC = "";
m_StreamFormat = "";
m_VideoRenderer.Release();
}
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::Clear()
{
while (!m_ConnectionsSourceTarget.IsEmpty())
{
DisconnectPins(m_ConnectionsSourceTarget.GetIterator().Key());
}
m_ConnectionsSourceTarget.Clear();
while (!m_Nodes.IsEmpty())
{
DeleteNode(m_Nodes.GetIterator().Key());
}
}
/******************************Public*Routine******************************\
* DestroyGraph
*
* Stops the graph, destroys and removes all the filters (VMR9 is removed last)
*
\**************************************************************************/
HRESULT CVMR9Subgraph::DestroyGraph()
{
HRESULT hr = S_OK;
OAFilterState state;
if( !m_pGraph )
{
return E_POINTER;
}
FILTER_INFO fi;
CComPtr<IMediaControl> pMc;
CComPtr<IEnumFilters> pEnum;
CComPtr<IBaseFilter> pFilter;
CComPtr<IBaseFilter> pVMR = NULL;
// 1. stop the graph
hr = m_pGraph->QueryInterface( IID_IMediaControl, (void**)&(pMc.p) );
if( FAILED(hr))
{
return hr;
}
do
{
hr = pMc->GetState(100, &state);
} while( S_OK == hr && State_Stopped != state );
hr = m_pGraph->EnumFilters( &(pEnum.p) );
if( FAILED(hr))
{
return hr;
}
// tear off
hr = pEnum->Next(1, &(pFilter.p), NULL);
while( S_OK == hr && pFilter )
{
hr = DisconnectPins( pFilter );
pFilter = NULL;
hr = pEnum->Next(1, &(pFilter.p), NULL);
}
pFilter = NULL;
// remove filters
hr = pEnum->Reset();
hr = pEnum->Next(1, &(pFilter.p), NULL);
while( S_OK == hr && pFilter )
{
hr = pFilter->QueryFilterInfo( &fi);
if( fi.pGraph)
fi.pGraph->Release();
if( 0 == wcscmp( fi.achName, L"VMR9"))
{
pVMR = pFilter;
}
hr = m_pGraph->RemoveFilter( pFilter);
pFilter = NULL;
hr = pEnum->Reset();
hr = pEnum->Next(1, &pFilter, NULL);
}
pFilter = NULL;
pEnum = NULL;
pVMR = NULL;
return S_OK;
}
HRESULT FMPlayerDShow::InitFilters(const tchar* pFileName)
{
USES_CONVERSION;
HRESULT hr = S_OK;
m_FrameRate = 25.0;
if (m_VideoType == VIDEO_TYPE_MPG)
{
hr = m_xVid.CoCreateInstance(CLSID_CMpegVideoCodec, NULL, CLSCTX_INPROC);
_DBGLogResult(hr, "mpg codec");
m_FourCC = "mpeg1";
//we use IMediaDet for MPEG and we determine the AVI frame rate from the AVI header.
CComPtr<IMediaDet> iMediaDet;
if (SUCCEEDED(iMediaDet.CoCreateInstance(CLSID_MediaDet, NULL, CLSCTX_INPROC)))
if (SUCCEEDED(iMediaDet->put_Filename(T2OLE(pFileName))))
iMediaDet->get_FrameRate(&m_FrameRate);
}
else
{
FString sFourCC;
if (GetAVIInfo(pFileName))
{
_DBGAlert("%s: 4CC = %s\n", pFileName, sFourCC);
if (m_FourCC == "x264" || m_FourCC == "h264")
{
hr = DSHelpCreateInstance(T2OLE(g_AppSettings.AppDir("x264.ax")), IID_ICoreAVC, NULL, IID_IBaseFilter, (void**)&m_xVid);
_DBGLogResult(hr, "x264.ax");
}
else
{
if (m_FourCC == "divx" && m_StreamFormat == "divx")
{
hr = DSHelpCreateInstance(T2OLE(g_AppSettings.AppDir("divxdec.ax")), IID_IDivX4, NULL, IID_IBaseFilter, (void**)&m_xVid);
_DBGLogResult(hr, "divxdec.ax");
}
else
{
hr = DSHelpCreateInstance(T2OLE(g_AppSettings.AppDir("xvid.ax")), IID_IXvidDecoder, NULL, IID_IBaseFilter, (void**)&m_xVid);
_DBGLogResult(hr, "xvid.ax");
}
}
}
}
hr = DSHelpCreateInstance(T2OLE(g_AppSettings.AppDir("ac3filter.ax")), IID_IAC3Decoder, NULL, IID_IBaseFilter, (void**)&m_AC3Filter);
_DBGLogResult(hr, "ac3filter.ax");
// hr = DSHelpCreateInstance(T2OLE(g_AppSettings.AppDir("msadds32.ax")), IID_IMSAudio, NULL, IID_IBaseFilter, (void**)&m_MSAud);
// _DBGLogResult(hr, "msadds32.ax");
hr = m_DSoundFilter.CoCreateInstance(CLSID_DSoundRender, NULL, CLSCTX_INPROC);
_DBGLogResult(hr, "dsoundrender");
if (m_VideoType == VIDEO_TYPE_MPG)
{
hr = m_AviSplitter.CoCreateInstance(CLSID_MPEG1Splitter, NULL, CLSCTX_INPROC);
_DBGLogResult(hr, "mpg splitter");
}
else
{
hr = m_AviSplitter.CoCreateInstance(CLSID_AviSplitter, NULL, CLSCTX_INPROC);
_DBGLogResult(hr, "avisplitter");
}
//Create video renderer
if (m_VideoRenderer == NULL)
{
///hr = DSHelpCreateInstance(L"quartz.dll", CLSID_VideoRendererDefault, NULL, IID_IBaseFilter, (void**)&m_VideoRenderer);
hr = m_VideoRenderer.CoCreateInstance(CLSID_VideoRendererDefault, NULL, CLSCTX_INPROC);
_DBGLogResult(hr, "video renderer");
}
else
{
DisconnectPins(m_VideoRenderer);
}
if (SUCCEEDED(hr))
{
CComQIPtr<IGraphBuilder> pGraphBuilder = m_FilterGraph;
hr |= pGraphBuilder->AddFilter(m_xVid, L"Video Decoder");
hr |= pGraphBuilder->AddFilter(m_DSoundFilter, L"DSound Output");
hr |= pGraphBuilder->AddFilter(m_AC3Filter, L"AC3 Audio Decoder");
hr |= pGraphBuilder->AddFilter(m_AviSplitter, L"Avi Splitter");
hr |= pGraphBuilder->AddFilter(m_VideoRenderer, L"Video Renderer");
if (FAILED(hr))
{
_DBGAlertM("**Warning prebuilding graph: %s\n", GetErrorDescription(hr));
}
}
return hr;
}
