public void Start()
{
_videoSource.FrameReady += (_, frame) =>
{
double timeFromLast = DateTime.Now.Subtract(_previousSendTime).TotalSeconds;
// Exit immediately if we did not find any face or the packet is to fast
if (frame.Faces.Count == 0 || timeFromLast < 1 / _framerate)
{
return;
}
// Prepare the packet to send over the net
var packet = new VideoDataPacket()
{
Timestamp = new DateTimeOffset(frame.Timestamp).ToUnixTimeSeconds(),
FrameWidth = frame.FrameWidth,
FrameHeight = frame.FrameHeight
};
foreach (var face in frame.Faces)
{
var buf = new byte[face.Bounds.Width * face.Bounds.Height * 3];
for (var y = 0; y < face.Bounds.Height; y++)
{
for (var x = 0; x < face.Bounds.Width; x++)
{
for (var c = 0; c < 3; c++)
{
buf[(y * face.Bounds.Width + x) * 3 + c] = frame.Image.Data[y + face.Bounds.Top, x + face.Bounds.Left, c];
}
}
}
packet.Faces.Add(new VideoDataPacket.Types.Face()
{
Id = face.ID,
Z = face.Z,
Speaking = face.IsSpeaking,
Data = ByteString.CopyFrom(buf),
Rect = new VideoDataPacket.Types.Rectangle()
{
Top = face.Bounds.Top,
Left = face.Bounds.Left,
Width = face.Bounds.Width,
Height = face.Bounds.Height
}
});
}
_logger.LogInformation("Video manager send packet with {0} faces", frame.Faces.Count);
_previousSendTime = DateTime.Now;
_network.SendPacket(packet);
};
}
public void SendPacket(VideoDataPacket p)
{
_videoServer.BroadcastPacket(p);
_logger.LogTrace("Enqueued video packet.");
}
