/// <summary> create the used COM components and get the interfaces. </summary>
bool GetInterfaces()
{
Type comType = null;
object comObj = null;
try
{
graphBuilder = (IGraphBuilder)DsDev.CreateFromCLSID(Clsid.FilterGraph);
mediaEvt = (IMediaEvent)graphBuilder;
AssignTaskToWaitForCompletion(mediaEvt);
Guid clsid = Clsid.CaptureGraphBuilder2;
Guid riid = typeof(ICaptureGraphBuilder2).GUID;
capGraph = (ICaptureGraphBuilder2)DsBugWO.CreateDsInstance(ref clsid, ref riid);
if (atiTVCardFound)
{
wmVideoDecoder = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.AVI_Decompressor);
}
stretchVideo = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.Stretch_Video);
colorConverter = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.ColorSpaceConverter);
modFrameRate = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.ModifyFrameRate);
motionVector = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.MotionVector);
// Vector Grabber
vectorGrabber = (IVectorGrabber)DsDev.CreateFromCLSID(Clsid.FlowVectorGrabber);
sampleGrabber = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.SampleGrabber);
grabberConfig = sampleGrabber as ISampleGrabber;
mediaCtrl = (IMediaControl)graphBuilder;
if (videoPreview)
{
teeSplitter = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.SmartTee); //.CreateFromMoniker(TeeSplitter);
videoRenderer = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.VideoRenderer); // (Clsid.VMR9);
}
// Attemp to use VMR9 abandoned for now
//vmrAllocator = (IVMRSurfaceAllocator9)DsDev.CreateFromCLSID(Clsid.VMR9Allocator);
baseGrabFlt = (IBaseFilter)vectorGrabber;
return(true);
}
catch (Exception ee)
{
LogInfo(LogGroups.Console, "Could not get interfaces\r\n" + ee.Message);
return(false);
}
finally
{
if (comObj != null)
{
Marshal.ReleaseComObject(comObj);
}
comObj = null;
}
}
/// <summary> create the used COM components and get the interfaces. </summary>
bool GetInterfaces()
{
Type comType = null;
object comObj = null;
try
{
graphBuilder = (IGraphBuilder)DsDev.CreateFromCLSID(Clsid.FilterGraph);
mediaEvt = (IMediaEvent)graphBuilder;
AssignTaskToWaitForCompletion(mediaEvt);
Guid clsid = Clsid.CaptureGraphBuilder2;
Guid riid = typeof(ICaptureGraphBuilder2).GUID;
capGraph = (ICaptureGraphBuilder2)DsBugWO.CreateDsInstance(ref clsid, ref riid);
if (atiTVCardFound)
{
wmVideoDecoder = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.AVI_Decompressor);
}
stretchVideo = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.Stretch_Video);
colorConverter = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.ColorSpaceConverter);
modFrameRate = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.ModifyFrameRate);
motionVector = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.MotionVector);
// Vector Grabber
vectorGrabber = (IVectorGrabber)DsDev.CreateFromCLSID(Clsid.FlowVectorGrabber);
sampleGrabber = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.SampleGrabber);
grabberConfig = sampleGrabber as ISampleGrabber;
mediaCtrl = (IMediaControl)graphBuilder;
if (videoPreview)
{
teeSplitter = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.SmartTee); //.CreateFromMoniker(TeeSplitter);
videoRenderer = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.VideoRenderer); // (Clsid.VMR9);
}
// Attemp to use VMR9 abandoned for now
//vmrAllocator = (IVMRSurfaceAllocator9)DsDev.CreateFromCLSID(Clsid.VMR9Allocator);
baseGrabFlt = (IBaseFilter)vectorGrabber;
return true;
}
catch (Exception ee)
{
LogInfo(LogGroups.Console, "Could not get interfaces\r\n" + ee.Message);
return false;
}
finally
{
if (comObj != null)
Marshal.ReleaseComObject(comObj); comObj = null;
}
}
/// <summary> do cleanup and release DirectShow. </summary>
void CloseInterfaces()
{
int hr;
#if DEBUG
if (rotCookie != 0)
DsROT.RemoveGraphFromRot(ref rotCookie);
#endif
if (mediaCtrl != null)
{
hr = mediaCtrl.Stop();
Marshal.ReleaseComObject(mediaCtrl);
mediaCtrl = null;
}
if (mediaEvt != null)
{
Marshal.ReleaseComObject(mediaEvt);
mediaEvt = null;
}
if (baseGrabFlt != null)
{
Marshal.ReleaseComObject(baseGrabFlt);
baseGrabFlt = null;
}
if (sampleGrabber != null)
{
Marshal.ReleaseComObject(sampleGrabber);
sampleGrabber = null;
}
if (grabberConfig != null)
{
Marshal.ReleaseComObject(grabberConfig);
grabberConfig = null;
}
if (capGraph != null)
{
Marshal.ReleaseComObject(capGraph);
capGraph = null;
}
if (graphBuilder != null)
{
Marshal.ReleaseComObject(graphBuilder);
graphBuilder = null;
}
if (dev != null)
{
dev.Dispose();
dev = null;
}
if (wmVideoDecoder != null)
{
Marshal.ReleaseComObject(wmVideoDecoder);
wmVideoDecoder = null;
}
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
capFilter = null;
}
if (capDevices != null)
{
foreach (DsDevice d in capDevices)
d.Dispose();
capDevices = null;
}
if (atiCrossbar != null)
{
Marshal.ReleaseComObject(atiCrossbar);
atiCrossbar = null;
}
if (motionVector != null)
{
Marshal.ReleaseComObject(motionVector);
motionVector = null;
}
if (teeSplitter != null)
{
Marshal.ReleaseComObject(teeSplitter);
teeSplitter = null;
}
if (videoRenderer != null)
{
Marshal.ReleaseComObject(videoRenderer);
videoRenderer = null;
}
if (vectorGrabber != null)
{
//vectorGrabber.SetCallback(null); // FIXME: sometimes, this causes an exception
Marshal.ReleaseComObject(vectorGrabber);
vectorGrabber = null;
}
if (crossBar != null)
{
Marshal.ReleaseComObject(crossBar);
crossBar = null;
}
}
/// <summary> do cleanup and release DirectShow. </summary>
void CloseInterfaces()
{
int hr;
#if DEBUG
if (rotCookie != 0)
{
DsROT.RemoveGraphFromRot(ref rotCookie);
}
#endif
if (mediaCtrl != null)
{
hr = mediaCtrl.Stop();
Marshal.ReleaseComObject(mediaCtrl);
mediaCtrl = null;
}
if (mediaEvt != null)
{
Marshal.ReleaseComObject(mediaEvt);
mediaEvt = null;
}
if (baseGrabFlt != null)
{
Marshal.ReleaseComObject(baseGrabFlt);
baseGrabFlt = null;
}
if (sampleGrabber != null)
{
Marshal.ReleaseComObject(sampleGrabber);
sampleGrabber = null;
}
if (grabberConfig != null)
{
Marshal.ReleaseComObject(grabberConfig);
grabberConfig = null;
}
if (capGraph != null)
{
Marshal.ReleaseComObject(capGraph);
capGraph = null;
}
if (graphBuilder != null)
{
Marshal.ReleaseComObject(graphBuilder);
graphBuilder = null;
}
if (dev != null)
{
dev.Dispose();
dev = null;
}
if (wmVideoDecoder != null)
{
Marshal.ReleaseComObject(wmVideoDecoder);
wmVideoDecoder = null;
}
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
capFilter = null;
}
if (capDevices != null)
{
foreach (DsDevice d in capDevices)
{
d.Dispose();
}
capDevices = null;
}
if (atiCrossbar != null)
{
Marshal.ReleaseComObject(atiCrossbar);
atiCrossbar = null;
}
if (motionVector != null)
{
Marshal.ReleaseComObject(motionVector);
motionVector = null;
}
if (teeSplitter != null)
{
Marshal.ReleaseComObject(teeSplitter);
teeSplitter = null;
}
if (videoRenderer != null)
{
Marshal.ReleaseComObject(videoRenderer);
videoRenderer = null;
}
if (vectorGrabber != null)
{
//vectorGrabber.SetCallback(null); // FIXME: sometimes, this causes an exception
Marshal.ReleaseComObject(vectorGrabber);
vectorGrabber = null;
}
if (crossBar != null)
{
Marshal.ReleaseComObject(crossBar);
crossBar = null;
}
}
