Hi,
This is great work.
I updated my Gnu Radio to the latest code using Marcus build-gnuradio script but I did not get this new selector block.
Can someone please explain me how can I integrate this new selector block into my gnuradio/GRC installation on Ubuntu.
Thanks,
Khalid.
Josh Blum wrote in post #1031824:
> Hey list,
>
> I have noticed that many user's have found the need to mux a stream.
> Either to dynamically select an alternative data source or to mux an
> output to an alternative sink like a different demodulator.
>
> Currently, GRC has come with selector (and valve). These blocks
> implement stream muxing by dynamically reconfiguring the flow graph.
> However, this method seems to be slow and error prone.
>
> So, I have created a stream selector block in gr-basic. Stream selector
> has N inputs and M outputs and allows the user to dynamically change the
> stream routing without flow graph reconfiguration.
>
> The good:
> - the switchover is immediate
> - no lock/unlock start/stop, so no errors
> - unused inputs can be put into blocking or consume mode
>
> The bad:
> - The post-reconfiguration overhead is an extra memcpy from source port
> to destination port
>
> The work is here, and grc demo attached:
>
http://gnuradio.org/cgit/jblum.git/tree/gr-basic/include/gr_basic_stream_selector.h?h=gr_basic
>
> -Josh