oexBOOL CIpAddress::LookupUrl( oexCSTR x_pUrl, oexINT32 x_uPort, oexINT32 x_uType )
{
// Lose old info
Destroy();
// Ensure we have a valid pointer
if ( !oexVERIFY_PTR( x_pUrl ) )
return oexFALSE;
// Crack the url
CPropertyBag pbUrl = ParseUrl( x_pUrl );
if ( !pbUrl.Size() )
return oexFALSE;
// Did we get a host name?
if ( !pbUrl[ oexT( "host" ) ].ToString().Length() )
return oexFALSE;
// Get the port
if ( !x_uPort )
x_uPort = pbUrl[ oexT( "port" ) ].ToLong();
// Save the type
m_uType = x_uType;
return LookupHost( pbUrl[ oexT( "host" ) ].ToString().Ptr(), x_uPort );
}
static int v4w_open_videodevice(V4wState *s, int format, MSVideoSize *vsize)
{
// Initialize COM
CoInitialize(NULL);
// get a Graph
HRESULT hr=s->m_pGraph.CoCreateInstance(CLSID_FilterGraph);
if(FAILED(hr))
{
return -1;
}
// get a CaptureGraphBuilder2
#if !defined(_WIN32_WCE)
hr=s->m_pBuilder.CoCreateInstance(CLSID_CaptureGraphBuilder2);
#else
hr=s->m_pBuilder.CoCreateInstance(CLSID_CaptureGraphBuilder);
#endif
if(FAILED(hr))
{
return -2;
}
// connect capture graph builder with the graph
s->m_pBuilder->SetFiltergraph(s->m_pGraph);
// get mediacontrol so we can start and stop the filter graph
hr=s->m_pGraph.QueryInterface(&(s->m_pControl));
if(FAILED(hr))
{
return -3;
}
// get DXFilter
s->m_pDXFilter = new CDXFilter(NULL, &hr, FALSE);
if(s->m_pDXFilter==NULL)
{
return -4;
}
s->m_pDXFilter->AddRef();
if(FAILED(hr))
{
return -4;
}
CMediaType mt;
mt.SetType(&MEDIATYPE_Video);
if (format==MS_YUV420P)
{
GUID m = (GUID)FOURCCMap(MAKEFOURCC('I','4','2','0'));
mt.SetSubtype(&m);
mt.SetSubtype(&MEDIASUBTYPE_YV12);
}
else //if (format==MS_RGB24)
{
mt.SetSubtype(&MEDIASUBTYPE_RGB24);
}
//mt.SetSubtype(&MEDIASUBTYPE_IYUV);
//mt.SetSubtype(&MEDIASUBTYPE_YUYV);
//mt.SetSubtype(&MEDIASUBTYPE_RGB24);
//mt.SetSampleSize();
mt.formattype = FORMAT_VideoInfo;
mt.SetTemporalCompression(FALSE);
VIDEOINFO *pvi = (VIDEOINFO *)
mt.AllocFormatBuffer(sizeof(VIDEOINFO));
if (NULL == pvi)
return E_OUTOFMEMORY;
ZeroMemory(pvi, sizeof(VIDEOINFO));
if (format==MS_YUV420P)
{
pvi->bmiHeader.biCompression = MAKEFOURCC('I','4','2','0');
pvi->bmiHeader.biCompression = MAKEFOURCC('Y','V','1','2');
pvi->bmiHeader.biBitCount = 12;
}
else
{
pvi->bmiHeader.biCompression = BI_RGB;
pvi->bmiHeader.biBitCount = 24;
}
pvi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pvi->bmiHeader.biWidth = vsize->width;
pvi->bmiHeader.biHeight = vsize->height;
pvi->bmiHeader.biPlanes = 1;
pvi->bmiHeader.biSizeImage = GetBitmapSize(&pvi->bmiHeader);
pvi->bmiHeader.biClrImportant = 0;
mt.SetSampleSize(pvi->bmiHeader.biSizeImage);
mt.SetFormat((BYTE*)pvi, sizeof(VIDEOINFO));
hr = s->m_pDXFilter->SetAcceptedMediaType(&mt);
if(FAILED(hr))
{
return -5;
}
hr = s->m_pDXFilter->SetCallback(Callback);
if(FAILED(hr))
{
return -6;
}
hr = s->m_pDXFilter->QueryInterface(IID_IBaseFilter,
(LPVOID *)&s->m_pIDXFilter);
if(FAILED(hr))
{
return -7;
}
hr = s->m_pGraph->AddFilter(s->m_pIDXFilter, L"DXFilter Filter");
if(FAILED(hr))
{
return -8;
}
#ifdef WM6
ICreateDevEnum *pCreateDevEnum = NULL;
IEnumMoniker *pEnumMoniker = NULL;
IMoniker *pMoniker = NULL;
ULONG nFetched = 0;
hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (PVOID *)&pCreateDevEnum);
if(FAILED(hr))
{
return -9;
}
hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
&pEnumMoniker, 0);
if (FAILED(hr) || pEnumMoniker == NULL) {
//printf("no device\n");
return -10;
}
pEnumMoniker->Reset();
hr = pEnumMoniker->Next(1, &pMoniker, &nFetched);
if(FAILED(hr) || pMoniker==NULL)
{
return -11;
}
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&s->m_pDeviceFilter );
if(FAILED(hr))
{
return -12;
}
s->m_pGraph->AddFilter(s->m_pDeviceFilter, L"Device Filter");
pMoniker->Release();
pEnumMoniker->Release();
pCreateDevEnum->Release();
#else
WCHAR wzDeviceName[ MAX_PATH + 1 ];
CComVariant varCamName;
CPropertyBag PropBag;
CComPtr<IPersistPropertyBag> pPropertyBag;
GetFirstCameraDriver(wzDeviceName);
hr = s->m_pDeviceFilter.CoCreateInstance( CLSID_VideoCapture );
if (FAILED(hr))
{
return -8;
}
s->m_pDeviceFilter.QueryInterface( &pPropertyBag );
varCamName = wzDeviceName;
if(( varCamName.vt == VT_BSTR ) == NULL ) {
return E_OUTOFMEMORY;
}
PropBag.Write( L"VCapName", &varCamName );
pPropertyBag->Load( &PropBag, NULL );
pPropertyBag.Release();
hr = s->m_pGraph->AddFilter( s->m_pDeviceFilter, L"Video capture source" );
#endif
if (FAILED(hr))
{
return -8;
}
// get null renderer
s->m_pNullRenderer = NULL;
#if 0
hr=s->m_pNullRenderer.CoCreateInstance(CLSID_NullRenderer);
if(FAILED(hr))
{
return -13;
}
#endif
if (s->m_pNullRenderer!=NULL)
{
s->m_pGraph->AddFilter(s->m_pNullRenderer, L"Null Renderer");
}
hr = s->m_pBuilder->RenderStream(&PIN_CATEGORY_PREVIEW,
&MEDIATYPE_Video, s->m_pDeviceFilter, s->m_pIDXFilter, s->m_pNullRenderer);
if (FAILED(hr))
{
//hr = s->m_pBuilder->RenderStream(&PIN_CATEGORY_CAPTURE,
// &MEDIATYPE_Video, s->m_pDeviceFilter, s->m_pIDXFilter, s->m_pNullRenderer);
if (FAILED(hr))
{
return -14;
}
}
//m_pDXFilter->SetBufferSamples(TRUE);
// Create the System Device Enumerator.
IFilterMapper *pMapper = NULL;
//IEnumMoniker *pEnum = NULL;
IEnumRegFilters *pEnum = NULL;
hr = CoCreateInstance(CLSID_FilterMapper,
NULL, CLSCTX_INPROC, IID_IFilterMapper,
(void **) &pMapper);
if (FAILED(hr))
{
// Error handling omitted for clarity.
}
GUID arrayInTypes[2];
arrayInTypes[0] = MEDIATYPE_Video;
arrayInTypes[1] = MEDIASUBTYPE_dvsd;
hr = pMapper->EnumMatchingFilters(
&pEnum,
MERIT_HW_COMPRESSOR, // Minimum merit.
FALSE, // At least one input pin?
MEDIATYPE_NULL,
MEDIASUBTYPE_NULL,
FALSE, // Must be a renderer?
FALSE, // At least one output pin?
MEDIATYPE_NULL,
MEDIASUBTYPE_NULL);
// Enumerate the monikers.
//IMoniker *pMoniker;
REGFILTER *pMoniker;
ULONG cFetched;
while (pEnum->Next(1, &pMoniker, &cFetched) == S_OK)
{
IPropertyBag *pPropBag = NULL;
#if 0
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag,
(void **)&pPropBag);
if (SUCCEEDED(hr))
{
// To retrieve the friendly name of the filter, do the following:
VARIANT varName;
VariantInit(&varName);
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
if (SUCCEEDED(hr))
{
// Display the name in your UI somehow.
}
VariantClear(&varName);
// To create an instance of the filter, do the following:
IBaseFilter *pFilter;
hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**)&pFilter);
// Now add the filter to the graph. Remember to release pFilter later.
// Clean up.
pPropBag->Release();
}
pMoniker->Release();
#endif
}
// Clean up.
pMapper->Release();
pEnum->Release();
s_callback = s;
hr = s->m_pControl->Run();
if(FAILED(hr))
{
return -15;
}
s->rotregvalue=1;
s->pix_fmt = format;
s->vsize.height = vsize->height;
s->vsize.width = vsize->width;
return 0;
}
// Assuming formating like... // http://user:[email protected]/directory/somefile.php?param=1¶m=2 CPropertyBag CIpAddress::ParseUrl( oexCSTR pUrl, oexUINT uMaxBufferSize ) { // Ensure a valid pointer if ( !pUrl ) return CPropertyBag(); // NULL terminated string? tsk, tsk... if ( 0 >= uMaxBufferSize ) uMaxBufferSize = zstr::Length( pUrl ); // Anything to parse? if ( !uMaxBufferSize ) return CPropertyBag(); // Propety bag object CPropertyBag pb; // Read into a string object CStr str( pUrl, uMaxBufferSize ); // pb[ oexT( "scheme" ) ].ToString() = str.Parse( oexT( "://" ) ); // Read in the scheme oexINT nScheme = str.FindSubStr( oexT( "://" ), 3 ); if ( 0 <= nScheme && nScheme == str.FindSubStr( oexT( ":" ), 1 ) ) pb[ oexT( "scheme" ) ].ToString() = str.SubStr( 0, nScheme ), str.LTrim( nScheme + 3 ); // Trim off leading forward slashes // str.LTrim( oexT( ":" ) ); // str.LTrim( oexT( "/" ) ); // Is there a username / password? CStr tmp = str.Parse( oexT( "@" ) ); if ( tmp.Length() ) { // Skip the @ str++; // Divide username and password CStr s = tmp.Parse( oexT( ":" ) ); if ( s.Length () ) { pb[ oexT( "username" ) ].ToString() = s; tmp++; pb[ oexT( "password" ) ].ToString() = tmp; } // end if else pb[ oexT( "username" ) ].ToString() = tmp; } // end if // Parse the host tmp = str.Parse( oexT( "/" ) ); if ( tmp.Length() ) { CStr s = tmp.Parse( oexT( ":" ) ); if ( s.Length () ) { pb[ oexT( "host" ) ].ToString() = s; tmp++; pb[ oexT( "port" ) ].ToString() = tmp; } // end if else pb[ oexT( "host" ) ].ToString() = tmp; } // end if // Grab the next token tmp = str.Parse( oexT( "?" ) ); if ( tmp.Length() ) { // Host or path? if ( !pb.IsKey( oexT( "host" ) ) ) pb[ oexT( "host" ) ].ToString() = tmp; else pb[ oexT( "path" ) ].ToString() = tmp; // Parse extra part if ( str.Length() ) { // Trim separator if any if ( oexT( '?' ) == *str.Ptr() ) { str.LTrim( 1 ); // Anything left over? if ( str.Length() ) pb[ oexT( "extra" ) ].ToString() = str.Parse( oexT( "#" ) ); // Check for fragment if ( oexT( '#' ) == *str.Ptr() ) { // Strip off sep str.LTrim( 1 ); // Check for fragment if ( str.Length() ) pb[ oexT( "fragment" ) ].ToString() = str; } // end if // Then it's all the extra else pb[ oexT( "extra" ) ].ToString() += str; } // end if } // end if } // end if // Whatever is left is the host if not yet parsed else if ( !pb.IsKey( oexT( "host" ) ) ) { CStr s = str.Parse( oexT( ":" ) ); if ( s.Length () ) { pb[ oexT( "host" ) ].ToString() = s; str++; pb[ oexT( "port" ) ].ToString() = str; } // end if else pb[ oexT( "host" ) ].ToString() = str; } // end else if // Then whatever is left is the path else pb[ oexT( "path" ) ].ToString() = str; return pb; }
HRESULT
CGraphManager::CreateCaptureGraphInternal()
{
HRESULT hr = S_OK;
CComVariant varCamName;
CPropertyBag PropBag;
OAEVENT oaEvent;
WCHAR wzDeviceName[ MAX_PATH + 1 ];
CComPtr<IMediaEvent> pMediaEvent;
CComPtr<IGraphBuilder> pFilterGraph;
CComPtr<IPersistPropertyBag> pPropertyBag;
CComPtr<IDMOWrapperFilter> pWrapperFilter;
CComPtr<IBaseFilter> pImageSinkFilter;
//
// Create the capture graph builder and register the filtergraph manager.
//
CHK( m_pCaptureGraphBuilder.CoCreateInstance( CLSID_CaptureGraphBuilder ));
CHK( pFilterGraph.CoCreateInstance( CLSID_FilterGraph ));
CHK( m_pCaptureGraphBuilder->SetFiltergraph( pFilterGraph ));
//
// Create and initialize the video capture filter
//
CHK( m_pVideoCaptureFilter.CoCreateInstance( CLSID_VideoCapture ));
CHK( m_pVideoCaptureFilter.QueryInterface( &pPropertyBag ));
// We are loading the driver CAM1 in the video capture filter.
CHK( GetFirstCameraDriver( wzDeviceName ));
varCamName = wzDeviceName;
if( varCamName.vt != VT_BSTR )
{
ERR( E_OUTOFMEMORY );
}
CHK( PropBag.Write( L"VCapName", &varCamName ));
CHK( pPropertyBag->Load( &PropBag, NULL ));
// Everything succeeded, the video capture filter is added to the filtergraph
CHK( pFilterGraph->AddFilter( m_pVideoCaptureFilter, L"Video Capture Filter Source" ));
//
// Create the still image filter, and connect it to the video capture filter
//
CHK( pImageSinkFilter.CoCreateInstance( CLSID_IMGSinkFilter ));
CHK( pFilterGraph->AddFilter( pImageSinkFilter, L"Still image filter" ));
CHK( m_pCaptureGraphBuilder->RenderStream( &PIN_CATEGORY_STILL, &MEDIATYPE_Video, m_pVideoCaptureFilter, NULL, pImageSinkFilter ));
CHK( pImageSinkFilter.QueryInterface( &m_pImageSinkFilter ));
//
// Prevent the data from flowing into the capture stream
//
// CHK( m_pCaptureGraphBuilder->ControlStream( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, m_pVideoCaptureFilter, 0, 0 ,0,0 ));
//
// Let's get the handle for DShow events. The main loop will listen to both notifications from
// the UI thread and for DShow notifications
//
CHK( pFilterGraph->QueryInterface( IID_IMediaEvent, (void**) &pMediaEvent ));
CHK( pMediaEvent->GetEventHandle( &oaEvent ));
m_handle[1] = (HANDLE) oaEvent;
m_fGraphBuilt = TRUE;
NotifyMessage( MESSAGE_INFO, L"Builing the graph completed" );
Cleanup:
if( FAILED( hr ))
{
NotifyMessage( MESSAGE_ERROR, L"Builing the graph failed" );
}
return hr;
}
