GNU Radio, One Step at a Time: Re: [Discuss-gnuradio] Hierarchial block as an input source

> I'm trying to find a way to create a *COMMON* - decoder that will work with a number of front ends
> It seems I have to do "surgery" on my flow graph every time… Yuck.

That's exactly what the gr-osmosdr block does ...

Of course that assumes that all your frontend actually support what
you ask of them. If you ask for 10M sample rate and you plug-in a
rtl-sdr that just won't do ...