protected override StdSharedPtr <StdVector <StdSharedPtr <UserDatum> > > WorkProducer()
{
try
{
// Close program when empty frame
if (this._ImageFiles.Length <= this._Counter)
{
OpenPose.Log("Last frame read and added to queue. Closing program after it is processed.", Priority.High);
// This funtion stops this worker, which will eventually stop the whole thread system once all the
// frames have been processed
this.Stop();
return(null);
}
else
{
// Create new datum
var vector = new StdVector <StdSharedPtr <UserDatum> >();
var datumsPtr = new StdSharedPtr <StdVector <StdSharedPtr <UserDatum> > >(vector);
datumsPtr.Get().EmplaceBack();
var datum = datumsPtr.Get().At(0);
// C# cannot set pointer object by using assignment operator
datum.Reset(new UserDatum());
// Fill datum
using (var cvInputData = Cv.ImRead(this._ImageFiles[this._Counter++]))
using (var inputData = OpenPose.OP_CV2OPCONSTMAT(cvInputData))
datum.Get().CvInputData = inputData;
// If empty frame -> return nullptr
if (datum.Get().CvInputData.Empty)
{
OpenPose.Log($"Empty frame detected on path: {this._ImageFiles[this._Counter - 1]}. Closing program.", Priority.High);
this.Stop();
datumsPtr = null;
}
return(datumsPtr);
}
}
catch (Exception e)
{
OpenPose.Log("Some kind of unexpected error happened.");
this.Stop();
OpenPose.Error(e.Message, -1, nameof(this.WorkProducer));
return(null);
}
}
public StdSharedPtr <StdVector <StdSharedPtr <Datum> > > CreateDatum()
{
// Close program when empty frame
if (this._Closed || this._ImageFiles.Length <= this._Counter)
{
OpenPose.Log("Last frame read and added to queue. Closing program after it is processed.", Priority.High);
// This funtion stops this worker, which will eventually stop the whole thread system once all the
// frames have been processed
this._Closed = true;
return(null);
}
else
{
// Create new datum
var vector = new StdVector <StdSharedPtr <Datum> >();
var datumsPtr = new StdSharedPtr <StdVector <StdSharedPtr <Datum> > >(vector);
datumsPtr.Get().EmplaceBack();
var datum = datumsPtr.Get().At(0);
// C# cannot set pointer object by using assignment operator
datum.Reset(new Datum());
// Fill datum
using (var cvInputData = Cv.ImRead(this._ImageFiles[this._Counter++]))
using (var inputData = OpenPose.OP_CV2OPCONSTMAT(cvInputData))
datum.Get().CvInputData = inputData;
// If empty frame -> return nullptr
if (datum.Get().CvInputData.Empty)
{
OpenPose.Log($"Empty frame detected on path: {this._ImageFiles[this._Counter - 1]}. Closing program.", Priority.High);
this._Closed = true;
datumsPtr = null;
}
return(datumsPtr);
}
}