private async Task init()
{
var l_image_source = await 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;
}
mFileSinkFactory = await mSinkControl.createFileSinkFactoryAsync(
Guid.Parse(lSelectedAttr.Value));
// Video Source
uint lVideoSourceIndexStream = 0;
uint lVideoSourceIndexMediaType = 0;
int l_VideoCompressedMediaTypeSelectedIndex = 0;
string l_EncodersXMLstring = await mEncoderControl.getCollectionOfEncodersAsync();
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 = await getCompressedMediaType(
l_image_source,
lVideoSourceIndexStream,
lVideoSourceIndexMediaType,
l_VideoEncoder,
m_VideoEncoderMode,
l_VideoCompressedMediaTypeSelectedIndex);
if (lCompressedMediaType != null)
{
lCompressedMediaTypeList.Add(lCompressedMediaType);
}
}
List <object> lOutputNodes = await getOutputNodes(lCompressedMediaTypeList, lFilename);
if (lOutputNodes == null || lOutputNodes.Count == 0)
{
return;
}
var lSinkFactory = await mSinkControl.createEVRSinkFactoryAsync(
Guid.Empty);
object lEVROutputNode = await lSinkFactory.createOutputNodeAsync(
mVideoPanel.Handle);
if (lEVROutputNode == null)
{
return;
}
object SpreaderNode = lEVROutputNode;
if (true)
{
var lEncoderNode = await 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);
SpreaderNode = await mSpreaderNodeFactory.createSpreaderNodeAsync(
lOutputNodeList);
}
List <object> lSourceNodes = new List <object>();
object lSourceNode = await mSourceControl.createSourceNodeFromExternalSourceWithDownStreamConnectionAsync(
l_image_source,
lVideoSourceIndexStream,
lVideoSourceIndexMediaType,
SpreaderNode);
if (lSourceNode == null)
{
return;
}
lSourceNodes.Add(lSourceNode);
mISession = await mISessionControl.createSessionAsync(lSourceNodes.ToArray());
if (mISession != null && await mISession.startSessionAsync(0, Guid.Empty))
{
mStartStopTxtBlk.Text = "Stop";
}
}
private async void MAddImageBtn_Click(object sender, RoutedEventArgs e)
{
if (mAddImageSession != null)
{
await mAddImageSession.stopSessionAsync();
await mAddImageSession.closeSessionAsync();
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 = await mSourceControl.createSourceFromCaptureProcessorAsync(
lICaptureProcessor);
var lVideoTopologyInputMixerNode = mVideoTopologyInputMixerNodes[0];
mImageVideoTopologyInputMixerNode = lVideoTopologyInputMixerNode;
mVideoTopologyInputMixerNodes.RemoveAt(0);
object lImageSourceSourceNode = await mSourceControl.createSourceNodeFromExternalSourceWithDownStreamConnectionAsync(
lImageSourceSource,
0,
0,
lVideoTopologyInputMixerNode);
object[] lSourceNodes = { lImageSourceSourceNode };
mAddImageSession = await mISessionControl.createSessionAsync(lSourceNodes);
if (mAddImageSession != null)
{
mAddImageTxtBlk.Text = "Remove Camera";
}
await mAddImageSession.startSessionAsync(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;
}
}