private void MAddImageBtn_Click(object sender, RoutedEventArgs e)
{
if (mAddImageSession != null)
{
mAddImageSession.stopSession();
mAddImageSession.closeSession();
mAddImageSession = null;
mAddImageTxtBlk.Text = "Add Image";
mVideoTopologyInputMixerNodes.Add(mImageVideoTopologyInputMixerNode);
var lVideoMixerControlRelease = mCaptureManager.createVideoMixerControl();
if (lVideoMixerControlRelease != null)
{
lVideoMixerControlRelease.flush(mImageVideoTopologyInputMixerNode);
}
mImageVideoTopologyInputMixerNode = null;
m_CameraPanel.IsEnabled = true;
return;
}
var lOpenFileDialog = new Microsoft.Win32.OpenFileDialog();
lOpenFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
lOpenFileDialog.Filter = "Image files (*.png, *.gif)|*.png;*.gif";
bool l_result = (bool)lOpenFileDialog.ShowDialog();
if (l_result &&
File.Exists(lOpenFileDialog.FileName))
{
var lICaptureProcessor = ImageCaptureProcessor.createCaptureProcessor(lOpenFileDialog.FileName);
if (lICaptureProcessor == null)
{
return;
}
object lImageSourceSource = null;
mSourceControl.createSourceFromCaptureProcessor(
lICaptureProcessor,
out lImageSourceSource);
var lVideoTopologyInputMixerNode = mVideoTopologyInputMixerNodes[0];
mImageVideoTopologyInputMixerNode = lVideoTopologyInputMixerNode;
mVideoTopologyInputMixerNodes.RemoveAt(0);
object lImageSourceSourceNode = null;
mSourceControl.createSourceNodeFromExternalSourceWithDownStreamConnection(
lImageSourceSource,
0,
0,
lVideoTopologyInputMixerNode,
out lImageSourceSourceNode);
object[] lSourceNodes = { lImageSourceSourceNode };
mAddImageSession = mISessionControl.createSession(lSourceNodes);
if (mAddImageSession != null)
{
mAddImageTxtBlk.Text = "Remove Camera";
}
mAddImageSession.startSession(0, Guid.Empty);
var lVideoMixerControl = mCaptureManager.createVideoMixerControl();
if (lVideoMixerControl != null)
{
lVideoMixerControl.setPosition(lVideoTopologyInputMixerNode, 0.5f, 1.0f, 0.0f, 0.5f);
}
//if (lVideoMixerControl != null)
// lVideoMixerControl.setSrcPosition(lVideoTopologyInputMixerNode, 0.0f, 0.5f, 0.0f, 0.5f);
if (lVideoMixerControl != null)
{
lVideoMixerControl.setOpacity(lVideoTopologyInputMixerNode, 0.5f);
}
m_CameraPanel.IsEnabled = false;
}
}
private void init()
{
var l_image_source = createImageSource();
if (l_image_source == null)
{
return;
}
var lselectedNode = m_FileFormatComboBox.SelectedItem as XmlNode;
if (lselectedNode == null)
{
return;
}
var lSelectedAttr = lselectedNode.Attributes["Value"];
if (lSelectedAttr == null)
{
return;
}
String limageSourceDir = System.IO.Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
SaveFileDialog lsaveFileDialog = new SaveFileDialog();
lsaveFileDialog.InitialDirectory = limageSourceDir;
lsaveFileDialog.DefaultExt = "." + lSelectedAttr.Value.ToLower();
lsaveFileDialog.AddExtension = true;
lsaveFileDialog.CheckFileExists = false;
lsaveFileDialog.Filter = "Media file (*." + lSelectedAttr.Value.ToLower() + ")|*." + lSelectedAttr.Value.ToLower();
var lresult = lsaveFileDialog.ShowDialog();
if (lresult != true)
{
return;
}
var lFilename = lsaveFileDialog.FileName;
lSelectedAttr = lselectedNode.Attributes["GUID"];
if (lSelectedAttr == null)
{
return;
}
mSinkControl.createSinkFactory(
Guid.Parse(lSelectedAttr.Value),
out mFileSinkFactory);
// Video Source
uint lVideoSourceIndexStream = 0;
uint lVideoSourceIndexMediaType = 0;
int l_VideoCompressedMediaTypeSelectedIndex = 0;
string l_EncodersXMLstring = "";
mEncoderControl.getCollectionOfEncoders(out l_EncodersXMLstring);
XmlDocument doc = new XmlDocument();
doc.LoadXml(l_EncodersXMLstring);
var lAttrNode = doc.SelectSingleNode("EncoderFactories/Group[@GUID='{73646976-0000-0010-8000-00AA00389B71}']/EncoderFactory[1]/@CLSID");
if (lAttrNode == null)
{
return;
}
Guid l_VideoEncoder = Guid.Empty;
Guid.TryParse(lAttrNode.Value, out l_VideoEncoder);
List <object> lCompressedMediaTypeList = new List <object>();
if (true)
{
object lCompressedMediaType = getCompressedMediaType(
l_image_source,
lVideoSourceIndexStream,
lVideoSourceIndexMediaType,
l_VideoEncoder,
m_VideoEncoderMode,
l_VideoCompressedMediaTypeSelectedIndex);
if (lCompressedMediaType != null)
{
lCompressedMediaTypeList.Add(lCompressedMediaType);
}
}
List <object> lOutputNodes = getOutputNodes(lCompressedMediaTypeList, lFilename);
if (lOutputNodes == null || lOutputNodes.Count == 0)
{
return;
}
IEVRSinkFactory lSinkFactory;
mSinkControl.createSinkFactory(
Guid.Empty,
out lSinkFactory);
object lEVROutputNode = null;
lSinkFactory.createOutputNode(
mVideoPanel.Handle,
out lEVROutputNode);
if (lEVROutputNode == null)
{
return;
}
object SpreaderNode = lEVROutputNode;
if (true)
{
var lEncoderNode = getEncoderNode(
l_image_source,
lVideoSourceIndexStream,
lVideoSourceIndexMediaType,
l_VideoEncoder,
m_VideoEncoderMode,
l_VideoCompressedMediaTypeSelectedIndex,
lOutputNodes[0]);
List <object> lOutputNodeList = new List <object>();
lOutputNodeList.Add(lEncoderNode);
lOutputNodeList.Add(lEVROutputNode);
mSpreaderNodeFactory.createSpreaderNode(
lOutputNodeList,
out SpreaderNode);
}
List <object> lSourceNodes = new List <object>();
object lSourceNode = null;
mSourceControl.createSourceNodeFromExternalSourceWithDownStreamConnection(
l_image_source,
lVideoSourceIndexStream,
lVideoSourceIndexMediaType,
SpreaderNode,
out lSourceNode);
if (lSourceNode == null)
{
return;
}
lSourceNodes.Add(lSourceNode);
mISession = mISessionControl.createSession(lSourceNodes.ToArray());
if (mISession != null)
{
mStartStopTxtBlk.Text = "Stop";
mISession.startSession(0, Guid.Empty);
}
}
