void mDisplayEventHandler(void *opaque, void *picture)
{
if (_bufferPtr == IntPtr.Zero)
{
return;
}
PixelFormat pixelFormat = PixelFormat.Format24bppRgb;
if (framePixelBits == 3)
{
pixelFormat = PixelFormat.Format24bppRgb;
}
if (framePixelBits == 4)
{
pixelFormat = PixelFormat.Format32bppArgb;
}
tmpCopyBitmap = new Bitmap(frameWidth, frameHeight, pixelFormat);
BitmapData bitmapData = tmpCopyBitmap.LockBits(new Rectangle(0, 0, frameWidth, frameHeight), System.Drawing.Imaging.ImageLockMode.ReadWrite, pixelFormat);
memcpy((byte *)bitmapData.Scan0, (byte *)_bufferPtr.ToPointer(), frameWidth * frameHeight * framePixelBits);
tmpCopyBitmap.UnlockBits(bitmapData);
OnFrameReceived?.Invoke((Bitmap)tmpCopyBitmap.Clone());
Marshal.FreeHGlobal(_bufferPtr);
_bufferPtr = IntPtr.Zero;
tmpCopyBitmap.Dispose();
GC.Collect();
mutex.ReleaseMutex();
}
public void KinectFrameReceivedEvent(object sender, EventArgs e)
{
KinectFrameEventArgs eventArgs = (KinectFrameEventArgs)e;
Parallel.For(0, eventArgs.Faces.Count, i =>
{
if (eventArgs.Faces[i].IsTracked)
{
if (this.people[i] == null || this.people[i].TrackingId != eventArgs.Faces[i].TrackingId)
{
this.people[i] = new Person(eventArgs.Faces[i].TrackingId);
}
Task.Factory.StartNew(() => this.UpdateDatabase(this.people[i], eventArgs.Faces[i], Sensor.CoordinateMapper, eventArgs.FramePixels));
//if ((bool)this.settings.GetSettingValue("General", "ManualFrameCollection"))
//{
// Task.Factory.StartNew(() => ManualFrameSave(eventArgs.Faces[i], Sensor.CoordinateMapper, eventArgs.FramePixels));
//}
//CVFaceFrame faceFrame = new CVFaceFrame(eventArgs.Faces[i], this.Sensor.CoordinateMapper, eventArgs.FramePixels);
//this.people[i].Update(faceFrame, this.recModel);
}
});
OnFrameReceived?.Invoke(this, eventArgs);
}
private async Task DoWork()
{
while (true)
{
try
{
using (var stream = await _client.GetStreamAsync(_uri).ConfigureAwait(false))
{
while (true)
{
int contentLength = GetContentLength(stream);
if (contentLength == 0)
{
break;
}
var content = GetContent(stream, contentLength);
if (content == null)
{
break;
}
//if (!CheckRawImage(content)) break;
// valid frame received
if (_updateUri)
{
_updateUri = false;
break;
}
lock (_locker)
{
_lastFrame = content;
}
OnFrameReceived?.Invoke(this, new FrameReceivedEventArgs()
{
Frame = content
});
}
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
Debug.WriteLine(e.StackTrace);
}
}
}
/// <summary>
/// Called by the underlaying device when it receives a new capture bitmap,
/// it broadcasts an <see cref="VideoCaptureFrameArgs"/> at <see cref="OnFrameReceived"/>.
/// </summary>
/// <param name="bmp"></param>
protected void RaiseFrameReceived(PointerBitmap bmp)
{
if (_CheckDisposed())
{
return;
}
var time = DateTime.UtcNow;
_FPS.AddFrame();
if (_CurrentFrame.Value.CaptureDevice != this)
{
throw new InvalidOperationException("Owner mismatch");
}
_CurrentFrame.Value._CaptureTime = time;
_CurrentFrame.Value._CapturedBitmap = bmp;
OnFrameReceived?.Invoke(this, _CurrentFrame.Value);
}
public void ProcessReceivedFrames(IFrame frame)
{
switch (State)
{
case StreamState.Idle:
if (frame.Type == FrameType.Headers)
{
State = StreamState.Open;
}
else if (frame.Type == FrameType.PushPromise)
{
State = StreamState.ReservedRemote;
}
// else if (frame.Type == FrameType.Priority)
// ;
// else
// ;
break;
case StreamState.ReservedLocal:
if (frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
break;
case StreamState.HalfClosedRemote:
if (frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
break;
case StreamState.Open:
if (frame.IsEndStream)
{
State = StreamState.HalfClosedRemote;
}
if (frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
break;
case StreamState.ReservedRemote:
if (frame.Type == FrameType.Headers)
{
State = StreamState.HalfClosedLocal;
}
else if (frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
break;
case StreamState.HalfClosedLocal:
if (frame.IsEndStream || frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
break;
}
// Server has cleared up more window space
// Add more to the available window
if (frame.Type == FrameType.WindowUpdate)
{
var windowUpdateFrame = (WindowUpdateFrame)frame;
flowControlStateManager.IncreaseWindowSize(StreamIdentifer, windowUpdateFrame.WindowSizeIncrement);
}
// Raise the event
if (OnFrameReceived != null)
{
OnFrameReceived.Invoke(frame);
}
}
public void ProcessReceivedFrames(IFrame frame)
{
// Add frame to the list of history
ReceivedFrames.Add(frame);
if (State == StreamState.Idle)
{
if (frame.Type == FrameType.Headers)
{
State = StreamState.Open;
}
else if (frame.Type == FrameType.PushPromise)
{
State = StreamState.ReservedRemote;
}
else if (frame.Type == FrameType.Priority)
{
;
}
else
{
; // TODO: PROTOCOL_ERROR
}
}
else if (State == StreamState.ReservedLocal)
{
if (frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
}
else if (State == StreamState.HalfClosedRemote)
{
if (frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
}
else if (State == StreamState.Open)
{
if (frame.IsEndStream)
{
State = StreamState.HalfClosedRemote;
}
if (frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
}
else if (State == StreamState.ReservedRemote)
{
if (frame.Type == FrameType.Headers)
{
State = StreamState.HalfClosedLocal;
}
else if (frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
}
else if (State == StreamState.HalfClosedLocal)
{
if (frame.IsEndStream || frame.Type == FrameType.RstStream)
{
State = StreamState.Closed;
}
}
// Server has cleared up more window space
// Add more to the available window
if (frame.Type == FrameType.WindowUpdate)
{
var windowUpdateFrame = (WindowUpdateFrame)frame;
flowControlStateManager.IncreaseWindowSize(StreamIdentifer, windowUpdateFrame.WindowSizeIncrement);
}
// Raise the event
OnFrameReceived?.Invoke(frame);
}