Animatroller.Framework.Import.DmxPlayback.DmxPlayback C# (CSharp) Method

        public DmxPlayback([System.Runtime.CompilerServices.CallerMemberName] string name = "")
        {
            this.name = name;
            this.sub = new Subroutine("SUB_" + this.name);
            this.watch = new Stopwatch();
            this.pixelMapping = new Dictionary<int, int[]>();
            long timestampOffset = 0;

            this.sub.RunAction(ins =>
            {
                var bitmap = (Bitmap)this.device.GetFrameBuffer(this.sub.Token, this.device)[DataElements.PixelBitmap];
                if (bitmap.Width != this.pixelWidth || bitmap.Height != this.pixelHeight)
                    throw new ArgumentException("Invalid bitmap size");

                var bitmapRect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);

                int bytesPerPixel = Bitmap.GetPixelFormatSize(bitmap.PixelFormat) / 8;
                int stride = 4 * ((bitmap.Width * bytesPerPixel + 3) / 4);
                int byteCount = stride * bitmap.Height;
                this.rgbValues = new byte[byteCount];

                do
                {
                    // See if we should restart
                    if (this.file.Position >= this.file.Length)
                    {
                        // Restart
                        this.file.Position = 0;
                        this.dmxFrame = null;
                        this.watch.Reset();
                    }

                    if (this.dmxFrame == null)
                    {
                        this.dmxFrame = ReadFrame(this.binRead);
                        timestampOffset = this.dmxFrame.TimestampMS;
                    }

                    this.watch.Start();

                    while (!ins.IsCancellationRequested && this.file.Position < this.file.Length)
                    {
                        // Calculate when the next stop is
                        this.nextStop = this.dmxFrame.TimestampMS - timestampOffset;

                        long msLeft = this.nextStop - this.watch.ElapsedMilliseconds;
                        if (msLeft <= 0)
                        {
                            // Output
                            OutputData(this.dmxFrame, bitmap, bitmapRect, stride);

                            // Read next frame
                            this.dmxFrame = ReadFrame(this.binRead);
                            continue;
                        }
                        else if (msLeft < 16)
                        {
                            SpinWait.SpinUntil(() => this.watch.ElapsedMilliseconds >= this.nextStop);
                            continue;
                        }

                        Thread.Sleep(1);
                    }
                } while (!ins.IsCancellationRequested && this.loop);

                this.watch.Stop();
            });
        }