public IObservable <Mat> Process(IObservable <Mat> source)
{
return(Observable.Create <Mat>(observer =>
{
var range = Range;
var lowChannel = Channel;
var board = new MccBoard(BoardNumber);
var options = ScanOptions.Default;
var scanObserver = Observer.Create <Mat>(
buffer =>
{
var actualRate = 0;
var highChannel = lowChannel + buffer.Rows - 1;
var error = board.AOutScan(lowChannel, highChannel, buffer.Rows, ref actualRate, range, buffer.Data, options);
try
{
ThrowExceptionForErrorInfo(error);
if (actualRate != 0)
{
throw new InvalidOperationException($"The specified sampling rate is not available. Suggested rate: {actualRate}");
}
observer.OnNext(buffer);
}
catch (Exception ex) { observer.OnError(ex); }
},
observer.OnError,
observer.OnCompleted);
return source.SubscribeSafe(scanObserver);
}));
}
