Re: [Discuss-gnuradio] Custom Block to Output Items that Meet Criteria

[Marcus Müller]

Well, as Nick said: no problemo. Go wild! 
On Fri, 2019-03-08 at 06:52 -0800, Mark Gannet wrote:
> Thank you.  Basically, I want to take something like the burst tagger
> block but copy the item from the 1st input to the output buffer only
> when a condition is met on the 2nd input rather than just append a
> tag to the stream.  The number of times that condition is met will
> vary but should be between 100-1000 times per second.
> 
> Mark
> 
> On Wed, Mar 6, 2019 at 6:20 PM Nick Foster <address@hidden>
> wrote:
> > Sure, no problem, use a gr::block. Just call consume() to tell the
> > scheduler how many items you consumed, and return the number of
> > samples you produced -- subject to the size of the output buffer.
> > general_work() gets the size of your input and output buffers from
> > ninput_items and noutput_items. Perfectly fine to return a smaller
> > value than requested.
> > 
> > Nick
> > 
> > On Wed, Mar 6, 2019 at 5:43 PM Mark Gannet <address@hidden>
> > wrote:
> > > Is it possible to write a custom block that only copies items to
> > > the output buffer if they meet a certain criterion?  I'm thinking
> > > of something like a "keep m of n" block but where there is no
> > > knowledge of the number of items that will be written to the
> > > output buffer when entering the work function.
> > > 
> > > Thanks,
> > > Mark
> > > _______________________________________________
> > > Discuss-gnuradio mailing list
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> > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> 
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