void ProcessFeature()
{
IHandTracker handTracker = null;
Int16[] depthPixelData = null;
Byte[] colorPixelData = null;
Log.DebugFormat("Start processing {0}...", inputFile);
int frameCount = replayer.GetFramesCount();
for (float i = 0; i < frameCount; i += sampleRate)
{
int index = (int)Math.Round(i);
if (index >= frameCount)
{
break;
}
var skeletonFrame = replayer.GetSkeletonFrame(index);
var depthFrame = replayer.GetDepthFrame(index);
var colorFrame = replayer.GetColorFrame(index);
if (handTracker == null)
{
handTracker = (IHandTracker)Activator.CreateInstance(handTrackerType, new Object[] {
depthFrame.Width, depthFrame.Height, GetKinectParams(), bufferSize
});
}
if (featureProcessor == null)
{
featureProcessor = (IFeatureProcessor)Activator.CreateInstance(
featureProcessorType, new Object[] { sampleRate });
}
if (depthPixelData == null)
{
depthPixelData = new Int16[depthFrame.PixelDataLength];
}
if (colorPixelData == null)
{
colorPixelData = new Byte[colorFrame.PixelDataLength];
}
depthFrame.CopyPixelDataTo(depthPixelData);
colorFrame.CopyPixelDataTo(colorPixelData);
var skeleton = SkeletonUtil.FirstTrackedSkeleton(skeletonFrame.Skeletons);
var result = handTracker.Update(depthPixelData, colorPixelData, skeleton);
Option <Array> feature = featureProcessor.Compute(result);
if (feature.IsSome)
{
if (replayerType == typeof(KinectAllFramesReplay))
{
frameList.Add(depthFrame.GetFrameNumber());
}
else
{
int curIndex = (int)Math.Round(i - sampleRate * (bufferSize - 1));
frameList.Add(curIndex);
}
featureList.Add(feature.Value);
}
}
Log.DebugFormat("Finished processing {0}.", inputFile);
}