unsafe void OnReadback(AsyncGPUReadbackRequest request)
{
// Ignore errors.
if (request.hasError)
{
return;
}
// Ignore it if the NDI object has been already disposed.
if (_send == null || _send.IsInvalid || _send.IsClosed)
{
return;
}
// Readback data retrieval
var data = request.GetData <byte>();
var pdata = NativeArrayUnsafeUtility.GetUnsafeReadOnlyPtr(data);
// Data size verification
if (data.Length / sizeof(uint) !=
Util.FrameDataCount(_width, _height, _enableAlpha))
{
return;
}
// Frame data setup
var frame = new Interop.VideoFrame
{
Width = _width,
Height = _height,
LineStride = _width * 2,
FourCC = _enableAlpha ? Interop.FourCC.UYVA : Interop.FourCC.UYVY,
FrameFormat = Interop.FrameFormat.Progressive,
Data = (System.IntPtr)pdata
};
// Send via NDI
_send.SendVideoAsync(frame);
}
