public T[] LoadFrame <T>(int desiredFrameNum, Guid eventType, Func <KStudioEvent, T[]> pixelCopyOperation)
{
T[] pixels = null;
using (KStudioClient client = KStudio.CreateClient(KStudioClientFlags.ProcessNotifications))
{
KStudioEventStreamSelectorCollection selEvents = new KStudioEventStreamSelectorCollection();
selEvents.Add(eventType);
//This is where you will intercept steps in the XEF file
using (var reader = client.CreateEventReader(_path, selEvents))
{
KStudioEvent ev;
reader.GetNextEvent();
int frameNum = 0;
while ((ev = reader.GetNextEvent()) != null)
{
if (frameNum == desiredFrameNum)
{
pixels = pixelCopyOperation(ev);
break;
}
frameNum++;
}
}
}
return(pixels);
}
public int GetNumOfFrames(Guid typeId)
{
int numFrames = 0;
try
{
using (KStudioClient client = KStudio.CreateClient(KStudioClientFlags.ProcessNotifications))
{
ManualResetEvent mr = new ManualResetEvent(false);
KStudioEventStreamSelectorCollection selEvents = new KStudioEventStreamSelectorCollection();
selEvents.Add(typeId);
//This is where you will intercept steps in the XEF file
using (var reader = client.CreateEventReader(_path, selEvents))
{
KStudioEvent ev;
reader.GetNextEvent();
while ((ev = reader.GetNextEvent()) != null)
{
numFrames++;
}
}
}
}
catch (Exception e)
{
if (e.Message == "Operation is not valid due to the current state of the object.")
{
throw new Exception($"No events of type {typeId} in this XEF file!");
}
}
return(numFrames);
}
public DepthProcessor LoadDepthFrame(int desiredFrameNum, int numberOfDepthSmooths)
{
var dProcessor = new DepthProcessor();
dProcessor.FrameSelector = new FrameSelector(desiredFrameNum, numberOfDepthSmooths);
using (KStudioClient client = KStudio.CreateClient(KStudioClientFlags.ProcessNotifications))
{
ManualResetEvent mr = new ManualResetEvent(false);
KStudioEventStreamSelectorCollection selEvents = new KStudioEventStreamSelectorCollection();
selEvents.Add(KStudioEventStreamDataTypeIds.Depth);
//This is where you will intercept steps in the XEF file
KStudioEventReader reader = client.CreateEventReader(_path, selEvents);
KStudioEvent ev;
while ((ev = reader.GetNextEvent()) != null && !dProcessor.FrameSelector.AreAllFramesCaptured)
{
dProcessor.ProcessEvent(ev);
}
reader.Dispose();
}
return(dProcessor);
}
