private Tuple <object, string, int> createVideoStream(ISampleGrabberCallbackSinkFactory aISampleGrabberCallbackSinkFactory, int aIndexCount)
{
object result = null;
int index = 0;
string lMediaType = "";
do
{
var lSourceNode = mSourcesComboBox.SelectedItem as XmlNode;
if (lSourceNode == null)
{
break;
}
var lNode = lSourceNode.SelectSingleNode("Source.Attributes/Attribute[@Name='MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_SYMBOLIC_LINK']/SingleValue/@Value");
if (lNode == null)
{
break;
}
string lSymbolicLink = lNode.Value;
lSourceNode = mStreamsComboBox.SelectedItem as XmlNode;
if (lSourceNode == null)
{
break;
}
lNode = lSourceNode.SelectSingleNode("@Index");
if (lNode == null)
{
break;
}
uint lStreamIndex = 0;
if (!uint.TryParse(lNode.Value, out lStreamIndex))
{
break;
}
lSourceNode = mMediaTypesComboBox.SelectedItem as XmlNode;
if (lSourceNode == null)
{
break;
}
lNode = lSourceNode.SelectSingleNode("@Index");
if (lNode == null)
{
break;
}
uint lMediaTypeIndex = 0;
if (!uint.TryParse(lNode.Value, out lMediaTypeIndex))
{
break;
}
IEVRSinkFactory lSinkFactory;
var lSinkControl = mCaptureManager.createSinkControl();
lSinkControl.createSinkFactory(
Guid.Empty,
out lSinkFactory);
object lEVROutputNode = null;
lSinkFactory.createOutputNode(
mVideoPanel.Handle,
out lEVROutputNode);
if (lEVROutputNode == null)
{
break;
}
ISampleGrabberCallback lH264SampleGrabberCallback;
aISampleGrabberCallbackSinkFactory.createOutputNode(
MFMediaType_Video,
MFVideoFormat_H264,
out lH264SampleGrabberCallback);
object lOutputNode = lEVROutputNode;
if (lH264SampleGrabberCallback != null)
{
lH264SampleGrabberCallback.mUpdateNativeFullEvent += delegate
(uint aSampleFlags, long aSampleTime, long aSampleDuration, IntPtr aData, uint aSize)
{
if (s != null)
{
lock (s)
{
currentmillisecond += 1;
s.sendVideoData(currentmillisecond, aData, (int)aSize, aIndexCount);
currentmillisecond += (int)(aSampleDuration / (long)10000);
}
}
};
var lSampleGrabberCallNode = lH264SampleGrabberCallback.getTopologyNode();
if (lSampleGrabberCallNode != null)
{
IStreamControl streamControl = mCaptureManager.createStreamControl();
ISpreaderNodeFactory spreaderNodeFactory = null;
object spreaderNode = null;
List <object> outputNodeList = new List <object>();
var mEncoderControl = mCaptureManager.createEncoderControl();
string lxmldoc = "";
XmlDocument doc = new XmlDocument();
mCaptureManager.getCollectionOfEncoders(ref lxmldoc);
doc.LoadXml(lxmldoc);
var l_VideoEncoderNode = doc.SelectSingleNode("EncoderFactories/Group[@GUID='{73646976-0000-0010-8000-00AA00389B71}']/EncoderFactory[1]/@CLSID");
if (l_VideoEncoderNode == null)
{
break;
}
Guid lCLSIDVideoEncoder;
if (!Guid.TryParse(l_VideoEncoderNode.Value, out lCLSIDVideoEncoder))
{
break;
}
IEncoderNodeFactory lIEncoderNodeFactory;
mEncoderControl.createEncoderNodeFactory(lCLSIDVideoEncoder, out lIEncoderNodeFactory);
if (lIEncoderNodeFactory != null)
{
object lVideoSourceOutputMediaType;
if (mSourceControl == null)
{
break;
}
mSourceControl.getSourceOutputMediaType(
lSymbolicLink,
lStreamIndex,
lMediaTypeIndex,
out lVideoSourceOutputMediaType);
object lVideoEncoderNode;
lIEncoderNodeFactory.createEncoderNode(
lVideoSourceOutputMediaType,
StreamingCBR,
25,
0,
lSampleGrabberCallNode,
out lVideoEncoderNode);
object lCompressedMediaType;
lIEncoderNodeFactory.createCompressedMediaType(
lVideoSourceOutputMediaType,
StreamingCBR,
25,
0,
out lCompressedMediaType);
streamControl.createStreamControlNodeFactory(ref spreaderNodeFactory);
outputNodeList.Add(lEVROutputNode);
outputNodeList.Add(lVideoEncoderNode);
spreaderNodeFactory.createSpreaderNode(outputNodeList,
out spreaderNode);
if (spreaderNode != null)
{
lOutputNode = spreaderNode;
}
mCaptureManager.parseMediaType(lCompressedMediaType, out lMediaType);
}
}
}
string lextendSymbolicLink = lSymbolicLink + " --options=" +
"<?xml version='1.0' encoding='UTF-8'?>" +
"<Options>" +
"<Option Type='Cursor' Visiblity='True'>" +
"<Option.Extensions>" +
"<Extension Type='BackImage' Height='100' Width='100' Fill='0x7055ff55' />" +
"</Option.Extensions>" +
"</Option>" +
"</Options>";
lextendSymbolicLink += " --normalize=Landscape";
mSourceControl.createSourceNode(
lextendSymbolicLink,
lStreamIndex,
lMediaTypeIndex,
lOutputNode,
out result);
if (result != null)
{
index = aIndexCount;
}
}while (false);
return(Tuple.Create <object, string, int>(result, lMediaType, index));
}
