void UpdateStateDelegate(uint aCallbackEventCode, uint aSessionDescriptor)
{
SessionCallbackEventCode k = (SessionCallbackEventCode)aCallbackEventCode;
switch (k)
{
case SessionCallbackEventCode.Unknown:
break;
case SessionCallbackEventCode.Error:
break;
case SessionCallbackEventCode.Status_Error:
break;
case SessionCallbackEventCode.Execution_Error:
break;
case SessionCallbackEventCode.ItIsReadyToStart:
break;
case SessionCallbackEventCode.ItIsStarted:
break;
case SessionCallbackEventCode.ItIsPaused:
break;
case SessionCallbackEventCode.ItIsStopped:
break;
case SessionCallbackEventCode.ItIsEnded:
break;
case SessionCallbackEventCode.ItIsClosed:
{
Dispatcher.Invoke(
DispatcherPriority.Normal,
new Action(() => mLaunchButton.Content = "Launch"));
Dispatcher.Invoke(
DispatcherPriority.Normal,
new Action(() =>
{
if (s != null)
{
s.disconnect();
}
s = null;
}
));
}
break;
case SessionCallbackEventCode.VideoCaptureDeviceRemoved:
{
Dispatcher.Invoke(
DispatcherPriority.Normal,
new Action(() => mLaunchButton_Click(null, null)));
}
break;
default:
break;
}
}
private void mLaunchButton_Click(object sender, RoutedEventArgs e)
{
if (!m_socketAccessable)
{
return;
}
if (mLaunchButton.Content == "Stop")
{
if (mISession != null)
{
mISession.closeSession();
mLaunchButton.Content = "Launch";
}
mISession = null;
if (s != null)
{
s.disconnect();
}
s = null;
return;
}
string lxmldoc = "";
mCaptureManager.getCollectionOfSinks(ref lxmldoc);
XmlDocument doc = new XmlDocument();
doc.LoadXml(lxmldoc);
var lSinkNode = doc.SelectSingleNode("SinkFactories/SinkFactory[@GUID='{3D64C48E-EDA4-4EE1-8436-58B64DD7CF13}']");
if (lSinkNode == null)
{
return;
}
var lContainerNode = lSinkNode.SelectSingleNode("Value.ValueParts/ValuePart[1]");
if (lContainerNode == null)
{
return;
}
var lReadMode = setContainerFormat(lContainerNode);
var lSinkControl = mCaptureManager.createSinkControl();
ISampleGrabberCallbackSinkFactory lSampleGrabberCallbackSinkFactory = null;
lSinkControl.createSinkFactory(
lReadMode,
out lSampleGrabberCallbackSinkFactory);
int lIndexCount = 0;
var lVideoStreamSourceNode = createVideoStream(lSampleGrabberCallbackSinkFactory, lIndexCount);
var lAudioStreamSourceNode = createAudioStream(lSampleGrabberCallbackSinkFactory, lIndexCount);
XmlDocument l_streamMediaTypesXml = new XmlDocument();
XmlNode ldocNode = l_streamMediaTypesXml.CreateXmlDeclaration("1.0", "UTF-8", null);
l_streamMediaTypesXml.AppendChild(ldocNode);
XmlElement rootNode = l_streamMediaTypesXml.CreateElement("MediaTypes");
l_streamMediaTypesXml.AppendChild(rootNode);
var lAttr = l_streamMediaTypesXml.CreateAttribute("StreamName");
lAttr.Value = mStreamNameTxtBx.Text;
rootNode.Attributes.Append(lAttr);
List <object> lSourceMediaNodeList = new List <object>();
if (lVideoStreamSourceNode.Item1 != null)
{
doc = new XmlDocument();
doc.LoadXml(lVideoStreamSourceNode.Item2);
var lMediaType = doc.SelectSingleNode("MediaType");
if (lMediaType != null)
{
rootNode.AppendChild(l_streamMediaTypesXml.ImportNode(lMediaType, true));
}
lSourceMediaNodeList.Add(lVideoStreamSourceNode.Item1);
}
if (lAudioStreamSourceNode.Item1 != null)
{
doc = new XmlDocument();
doc.LoadXml(lAudioStreamSourceNode.Item2);
var lMediaType = doc.SelectSingleNode("MediaType");
if (lMediaType != null)
{
rootNode.AppendChild(l_streamMediaTypesXml.ImportNode(lMediaType, true));
}
lSourceMediaNodeList.Add(lAudioStreamSourceNode.Item1);
}
var lSessionControl = mCaptureManager.createSessionControl();
if (lSessionControl == null)
{
return;
}
mISession = lSessionControl.createSession(
lSourceMediaNodeList.ToArray());
if (mISession == null)
{
return;
}
startServer(l_streamMediaTypesXml.InnerXml);
mISession.registerUpdateStateDelegate(UpdateStateDelegate);
mISession.startSession(0, Guid.Empty);
mLaunchButton.Content = "Stop";
}