internal static void CopyToFrameToPixelArray(this LongExposureInfraredFrame longExposureInfraredFrame, ref ushort[] frameData, ref byte[] pixels)
{
var pixelIndex = 0;
longExposureInfraredFrame.CopyFrameDataToArray(frameData);
foreach (var intensity in frameData.Select(framePixel => (byte)(framePixel >> 8)))
{
pixels[pixelIndex++] = intensity;
pixels[pixelIndex++] = intensity;
pixels[pixelIndex++] = intensity;
++pixelIndex;
}
}
private void LongExposureInfraredFrameReader_FrameArrived(LongExposureInfraredFrameReference longExposureInfraredFrameReference)
{
using (LongExposureInfraredFrame longExposureInfraredFrame = longExposureInfraredFrameReference.AcquireFrame())
{
if (longExposureInfraredFrame != null)
{
FrameDescription longExposureInfraredFrameDescription = longExposureInfraredFrame.FrameDescription;
using (KinectBuffer longExposureInfraredBuffer = longExposureInfraredFrame.LockImageBuffer())
{
using (var dest = ImagePool.GetOrCreate(longExposureInfraredFrameDescription.Width, longExposureInfraredFrameDescription.Height, Imaging.PixelFormat.Gray_16bpp))
{
longExposureInfraredFrame.CopyFrameDataToIntPtr(dest.Resource.ImageData, (uint)(longExposureInfraredFrameDescription.Width * longExposureInfraredFrameDescription.Height * 2));
var time = this.pipeline.GetCurrentTimeFromElapsedTicks(longExposureInfraredFrameReference.RelativeTime.Ticks);
this.LongExposureInfraredImage.Post(dest, time);
}
}
}
}
}
internal static byte[] GetNewPixelArray(this LongExposureInfraredFrame longExposureInfraredFrame)
{
return(new byte[longExposureInfraredFrame.FrameDescription.LengthInPixels * ((PixelFormats.Bgr32.BitsPerPixel + 7) / 8)]);
}
/// <summary>
/// Device-specific implementation of Update.
/// Updates data buffers of all active channels with data of current frame.
/// </summary>
/// <remarks>This method is implicitely called by <see cref="Camera.Update"/> inside a camera lock.</remarks>
/// <seealso cref="Camera.Update"/>
protected override void UpdateImpl()
{
// TODO: This method could yield rather asynchronous channels. If necessary: Try to find a mechanism that updates frames that are already fetched when waiting for others that are not yet available.
MultiSourceFrame multiSourceFrame = null;
bool bodyIndexRequired = IsChannelActive(CustomChannelNames.BodyIndex);
bool depthRequired = IsChannelActive(ChannelNames.Distance) || IsChannelActive(ChannelNames.Point3DImage);
bool amplitudeRequired = IsChannelActive(ChannelNames.Amplitude);
bool colorRequired = IsChannelActive(ChannelNames.Color);
bool longExposureIRRequired = IsChannelActive(CustomChannelNames.LongExposureIR);
do
{
if (!dataAvailable.WaitOne(UpdateTimeoutMilliseconds))
{
throw ExceptionBuilder.BuildFromID(typeof(MetriCam2Exception), this, 005);
}
lock (newFrameLock)
{
try
{
if (multiFrameReference != null)
{
multiSourceFrame = multiFrameReference.AcquireFrame();
}
}
catch (Exception)
{
// ignore if the frame is no longer available
continue;// throw
}
}
try
{
// fetch depth?
if (depthRequired)
{
DepthFrameReference depthFrameReference = multiSourceFrame.DepthFrameReference;
if (depthFrameReference != null)
{
// always synchornize on depth frames if possible.
if (lastTimeStamp == GetAbsoluteTimeStamp(depthFrameReference.RelativeTime.Ticks))
{
continue;
}
using (DepthFrame depthFrame = depthFrameReference.AcquireFrame())
{
if (depthFrame == null)
{
continue;
}
depthFrameDescription = depthFrame.FrameDescription;
int depthWidth = depthFrameDescription.Width;
int depthHeight = depthFrameDescription.Height;
if ((depthWidth * depthHeight) == this.depthFrameData.Length)
{
lock (this.depthFrameData)
{
depthFrame.CopyFrameDataToArray(this.depthFrameData);
lastTimeStamp = GetAbsoluteTimeStamp(depthFrameReference.RelativeTime.Ticks);
timestampDepth = lastTimeStamp;
}
depthRequired = false;
}
}
}
}
// fetch IR?
if (amplitudeRequired)
{
InfraredFrameReference irFrameReference = multiSourceFrame.InfraredFrameReference;
if (irFrameReference != null)
{
// If depth data is inactive, synchronize on IR frames. If depth and IR are inactive, we synchronize on color frames.
if (!(IsChannelActive(ChannelNames.Distance) || IsChannelActive(ChannelNames.Point3DImage)) && lastTimeStamp == GetAbsoluteTimeStamp(irFrameReference.RelativeTime.Ticks))
{
continue;
}
using (InfraredFrame irFrame = irFrameReference.AcquireFrame())
{
if (irFrame == null)
{
continue;
}
FrameDescription irFrameDescription = irFrame.FrameDescription;
int irWidth = irFrameDescription.Width;
int irHeight = irFrameDescription.Height;
if ((irWidth * irHeight) == this.irFrameData.Length)
{
lock (this.irFrameData)
{
irFrame.CopyFrameDataToArray(this.irFrameData);
lastTimeStamp = GetAbsoluteTimeStamp(irFrameReference.RelativeTime.Ticks);
timestampIR = lastTimeStamp;
}
amplitudeRequired = false;
}
}
}
}
// (always) fetch body frame
BodyFrameReference bodyFrameReference = multiSourceFrame.BodyFrameReference;
if (bodyFrameReference != null)
{
using (BodyFrame bodyFrame = bodyFrameReference.AcquireFrame())
{
if (bodyFrame != null)
{
this.bodies = new Body[bodyFrame.BodyCount];
using (bodyFrame)
{
bodyFrame.GetAndRefreshBodyData(this.bodies);
}
}
else
{
// TODO: check if channel is activated.
}
}
}
// fetch color?
if (colorRequired)
{
ColorFrameReference colorFrameReference = multiSourceFrame.ColorFrameReference;
if (colorFrameReference == null)
{
continue;
}
// If depth and IR data is inactive, synchronize on color frames. If color, depth and IR are inactive, we don't care for synchronization.
if (!(IsChannelActive(ChannelNames.Distance) || IsChannelActive(ChannelNames.Point3DImage) || IsChannelActive(ChannelNames.Amplitude)) && lastTimeStamp == GetAbsoluteTimeStamp(colorFrameReference.RelativeTime.Ticks))
{
continue;
}
using (ColorFrame colorFrame = colorFrameReference.AcquireFrame())
{
//FrameDescription colorFrameDescription = colorFrame.FrameDescription;
//int cWidth = colorFrameDescription.Width;
//int cHeight = colorFrameDescription.Width;
if (colorFrame != null)
{
using (KinectBuffer colorBuffer = colorFrame.LockRawImageBuffer())
{
lock (this.colorFrameData)
{
colorFrame.CopyConvertedFrameDataToArray(this.colorFrameData, ColorImageFormat.Bgra);
lastTimeStamp = GetAbsoluteTimeStamp(colorFrameReference.RelativeTime.Ticks);
timestampColor = lastTimeStamp;
}
}
colorRequired = false;
}
}
}
// fetch long exposure IR? (this is independent of the IR images and are acquired at the same rate, so every new frame also
// has one of these.)
if (longExposureIRRequired)
{
LongExposureInfraredFrameReference longExposureIRFrameRef = multiSourceFrame.LongExposureInfraredFrameReference;
using (LongExposureInfraredFrame longIRFrame = longExposureIRFrameRef.AcquireFrame())
{
if (longIRFrame == null)
{
continue;
}
int longIRWidth = longIRFrame.FrameDescription.Width;
int longIRHeight = longIRFrame.FrameDescription.Height;
if (longExposureIRData == null || (longIRWidth * longIRHeight) != longExposureIRData.Length)
{
longExposureIRData = new ushort[longIRWidth * longIRHeight];
}
longIRFrame.CopyFrameDataToArray(longExposureIRData);
longExposureIRRequired = false;
}
}
// fetch body index frames?
if (bodyIndexRequired)
{
BodyIndexFrameReference bodyIndexFrameRef = multiSourceFrame.BodyIndexFrameReference;
using (BodyIndexFrame bodyIndexFrame = bodyIndexFrameRef.AcquireFrame())
{
if (bodyIndexFrame == null)
{
log.Debug("bodyIndexFrame is NULL.");
continue;
}
int bodyIndexWidth = bodyIndexFrame.FrameDescription.Width;
int bodyIndexHeight = bodyIndexFrame.FrameDescription.Height;
if (bodyIndexData == null || (bodyIndexWidth * bodyIndexHeight) != bodyIndexData.Length)
{
bodyIndexData = new byte[bodyIndexWidth * bodyIndexHeight];
}
bodyIndexFrame.CopyFrameDataToArray(bodyIndexData);
bodyIndexRequired = false;
}
}
}
catch (Exception)
{
// ignore if the frame is no longer available
}
finally
{
multiSourceFrame = null;
}
} while (depthRequired || colorRequired || bodyIndexRequired || longExposureIRRequired || amplitudeRequired);
}
