public void Cleanup()
{
if (Device != null)
{
Device.Dispose();
Device = null;
}
if (stillSampleGrabber != null)
{
Marshal.ReleaseComObject(stillSampleGrabber);
stillSampleGrabber = null;
}
if (captureSG != null)
{
Marshal.ReleaseComObject(captureSG);
stillSampleGrabber = null;
}
if (pRenderIn != null)
{
Marshal.ReleaseComObject(pRenderIn);
pRenderIn = null;
}
if (pStillSampleIn != null)
{
Marshal.ReleaseComObject(pStillSampleIn);
pStillSampleIn = null;
}
if (pCaptureSampleIn != null)
{
Marshal.ReleaseComObject(pCaptureSampleIn);
pCaptureSampleIn = null;
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
// Release pointers
if (m_dev != null)
{
m_dev.Dispose();
m_dev = null;
}
if (m_Previewer != null)
{
m_Previewer.Dispose();
m_Previewer = null;
}
}
public static BaseFilterEx GetFilter_Capture(int index)
{
var devices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
if (devices.Count() > index)
{
DsDevice device = devices[index];
Guid guidBaseFilter = typeof(IBaseFilter).GUID;
object resultObj = null;
device.Mon.BindToObject(null, null, ref guidBaseFilter, out resultObj);
device.Dispose();
var baseFilter = resultObj as IBaseFilter;
if (baseFilter != null)
{
return(new BaseFilterEx((IBaseFilter)resultObj, "Capture:" + (index + 1).ToString()));
}
else
{
return(null);
}
}
return(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;
}
}