[Discuss-gnuradio] Re: How the valve block works

[Patrick Strasser]

schrieb Josh Blum on 2011-01-08 01:44:
> The input blocks to the valve, when open, connect to null sinks. The
> idea was to drain any incoming data. This could be desirable if for
> example you had other blocks, like a file sink that also used this
> stream. You wouln't want to back-up indefinitely and then consume all
> the old data when closed again. It depends on the topology. So maybe the
> user should decide...
> 
> I think the valve needs a user-set policy. Consume when open, or block
> when open. And while we are at it, for the outputs, produce zeros when
> open, or block when open.

Just found out that the selector block fits my requirements much better.
But do I have the same behaviour here again?

I replaced my const multipliers/adders with selectors, but now it uses
much more cpu load :-(

Regards

Patrick