/*
* CPacketFilterGraph
*/
void CPacketFilterGraph::ClearGraph()
{
DEBUG("=== Clear graph");
if (mnFilters > 0) {
StopAllFilters();
PurgeAllFilters();
DeleteAllConnections();
RemoveAllFilters();
}
DEBUG("Clear graph done");
}
wxGxObjectDialog::~wxGxObjectDialog()
{
if(m_pwxGxContentView)
m_pwxGxContentView->Deactivate();
if(m_PopupCtrl)
m_PopupCtrl->Deactivate();
SerializeFramePos(true);
RemoveAllFilters();
wxDELETE(m_pwxGxContentView);
wxDELETE(m_pGISAcceleratorTable);
}
//
// Sets the file we're going to play.
//
// Returns true if the file can be played, false otherwise.
//
bool CMediaPlayer::SetFileName(LPCWSTR FileName)
{
RemoveAllFilters();
if (_FileName != NULL)
{
free(_FileName);
}
_FileName = _wcsdup(FileName);
if (_FileName == NULL)
{
return false;
}
//
// Ask DirectShow to build a render graph for this file.
//
HRESULT hr = _GraphBuilder->RenderFile(_FileName, NULL);
if (FAILED(hr))
{
MessageBox(_AppWindow, L"Unable to build graph for media file", L"Set Filename Error", MB_OK);
return false;
}
//
// If we can figure out the length of this track retrieve it.
//
DWORD caps = AM_SEEKING_CanGetDuration;
bool canSeek = (S_OK == _MediaSeeking->CheckCapabilities(&caps));
if (canSeek)
{
_MediaSeeking->GetDuration(&this->_MediaPlayerTime);
}
return true;
}
BOOL CDXVideoGrabber::PlayFile(const char* inFile, HWND hWnd)
{
RemoveAllFilters();
HRESULT hr = m_pGrabber.CoCreateInstance( CLSID_SampleGrabber );
if( !m_pGrabber )
return FALSE;
CComQIPtr< IBaseFilter, &IID_IBaseFilter > pGrabBase( m_pGrabber );
// force it to connect to video, 24 bit
//
CMediaType VideoType;
VideoType.SetType( &MEDIATYPE_Video );
VideoType.SetSubtype( &MEDIASUBTYPE_RGB24 );
hr = m_pGrabber->SetMediaType( &VideoType ); // shouldn't fail
if( FAILED( hr ) )
return FALSE;
// add the grabber to the graph
//
hr = m_pIGraphBuilder->AddFilter( pGrabBase, L"Grabber" );
if( FAILED( hr ) )
return FALSE;
RenderFile(inFile);
AM_MEDIA_TYPE mt;
hr = m_pGrabber->GetConnectedMediaType( &mt );
if ( FAILED( hr) )
{
return FALSE;
}
VIDEOINFOHEADER * vih = (VIDEOINFOHEADER*) mt.pbFormat;
if(m_pSGCB)
{
// m_pSGCB->SetOwner(GetParent(hWnd));
m_pSGCB->SetWidth(vih->bmiHeader.biWidth);
m_pSGCB->SetHeight(vih->bmiHeader.biHeight);
}
FreeMediaType( mt );
// don't buffer the samples as they pass through
//
hr = m_pGrabber->SetBufferSamples( FALSE );
// only grab one at a time, stop stream after
// grabbing one sample
//
hr = m_pGrabber->SetOneShot( FALSE );
// set the callback, so we can grab the one sample
//
hr = m_pGrabber->SetCallback( m_pSGCB, 1 );
if(!SetDisplayWindow(hWnd))
{
return FALSE;
}
return Run();
}
BOOL CDXCamara::PlayFile(const char* inFile, HWND hWnd)
{
HRESULT hr;
RemoveAllFilters();
// get whatever capture device exists
//
CComPtr< IBaseFilter > pCap;
GetDefaultCapDevice( &pCap );
if( !pCap )
return FALSE;
// add the capture filter to the graph
//
hr = m_pIGraphBuilder->AddFilter( pCap, L"Cap" );
if( FAILED( hr ) )
return FALSE;
hr = m_pGrabber.CoCreateInstance( CLSID_SampleGrabber );
if( !m_pGrabber )
return FALSE;
CComQIPtr< IBaseFilter, &IID_IBaseFilter > pGrabBase( m_pGrabber );
// force it to connect to video, 24 bit
//
CMediaType VideoType;
VideoType.SetType( &MEDIATYPE_Video );
VideoType.SetSubtype( &MEDIASUBTYPE_RGB24 );
hr = m_pGrabber->SetMediaType( &VideoType ); // shouldn't fail
if( FAILED( hr ) )
return FALSE;
// add the grabber to the graph
//
hr = m_pIGraphBuilder->AddFilter( pGrabBase, L"Grabber" );
if( FAILED( hr ) )
return FALSE;
// make a capture builder graph (for connecting help)
//
CComPtr< ICaptureGraphBuilder2 > pBuilder;
hr = pBuilder.CoCreateInstance( CLSID_CaptureGraphBuilder2 );
if( !pBuilder )
return FALSE;
hr = pBuilder->SetFiltergraph( m_pIGraphBuilder );
if( FAILED( hr ) )
return FALSE;
// If there is a VP pin present on the video device, then put the
// renderer on CLSID_NullRenderer
CComPtr<IPin> pVPPin;
hr = pBuilder->FindPin(
pCap,
PINDIR_OUTPUT,
&PIN_CATEGORY_VIDEOPORT,
NULL,
FALSE,
0,
&pVPPin);
// If there is a VP pin, put the renderer on NULL Renderer
CComPtr<IBaseFilter> pRenderer;
if (S_OK == hr)
{
hr = pRenderer.CoCreateInstance(CLSID_NullRenderer);
if (FAILED (hr))
{
return FALSE;
}
hr = m_pIGraphBuilder->AddFilter(pRenderer, L"NULL renderer");
if (FAILED (hr))
{
return FALSE;
}
}
hr = pBuilder->RenderStream(
&PIN_CATEGORY_PREVIEW,
&MEDIATYPE_Interleaved,
pCap,
pGrabBase,
pRenderer);
if (FAILED (hr))
{
// try to render preview pin
hr = pBuilder->RenderStream(
&PIN_CATEGORY_PREVIEW,
&MEDIATYPE_Video,
pCap,
pGrabBase,
pRenderer);
// try to render capture pin
if( FAILED( hr ) )
{
hr = pBuilder->RenderStream(
&PIN_CATEGORY_CAPTURE,
&MEDIATYPE_Video,
pCap,
pGrabBase,
pRenderer);
}
}
if( FAILED( hr ) )
{
return FALSE;
}
// ask for the connection media type so we know how big
// it is, so we can write out bitmaps
//
AM_MEDIA_TYPE mt;
hr = m_pGrabber->GetConnectedMediaType( &mt );
if ( FAILED( hr) )
{
return FALSE;
}
VIDEOINFOHEADER * vih = (VIDEOINFOHEADER*) mt.pbFormat;
if(m_pSGCB)
{
// m_pSGCB->SetOwner(GetParent(hWnd));
m_pSGCB->SetWidth(vih->bmiHeader.biWidth);
m_pSGCB->SetHeight(vih->bmiHeader.biHeight);
}
FreeMediaType( mt );
// don't buffer the samples as they pass through
//
hr = m_pGrabber->SetBufferSamples( FALSE );
// only grab one at a time, stop stream after
// grabbing one sample
//
hr = m_pGrabber->SetOneShot( FALSE );
// set the callback, so we can grab the one sample
//
hr = m_pGrabber->SetCallback( m_pSGCB, 1 );
// CComPtr< IBaseFilter > pMux;
// CComPtr< IFileSinkFilter > pSink;
// USES_CONVERSION;
//
// hr = pBuilder->SetOutputFileName( &MEDIASUBTYPE_Avi, T2W( inFile ),
// &pMux, &pSink );
// if( FAILED( hr ) )
// return FALSE;
//
// hr = pBuilder->RenderStream( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
// pCap, NULL,pMux );
// if( FAILED( hr ) )
// return FALSE;
// hr = pBuilder->RenderStream( &PIN_CATEGORY_PREVIEW, &MEDIATYPE_Video,
// pCap, NULL, NULL );
// if( FAILED( hr ) )
// return FALSE;
if(!SetDisplayWindow(hWnd))
{
return FALSE;
}
return Run();
}
