pretty much; it increases the the nitems_written counter, too. On 06/24/2015 09:38 PM, Richard Bell wrote: > Ah OK. So the produce function advances the buffer pointer only? > > Rich > > On Wed, Jun 24, 2015 at 12:35 PM, Marcus Müller > <marcus.muel...@ettus.com <mailto:marcus.muel...@ettus.com>> wrote: > > Hi Rich, >> What happens when you assign input to output in a general_work >> call, out[ii]=in[ii], but don't call produce? > Then you're breaking a contract! > GNU Radio has to rely on you only writing samples you admit that > you produce -- otherwise, the write pointer can't advance, and the > next general_work will be offered the same buffer space again. >> My minds eye sees the out variable as a secondary local buffer >> for general_work. > There is no local buffer! You directly work on the pseudocircular > buffers; everything else would introduce unnecessary copy overhead. > > Best regards, > Marcus > > > On 06/24/2015 09:23 PM, Richard Bell wrote: >> What happens when you assign input to output in a general_work >> call, out[ii]=in[ii], but don't call produce? Is the stuff you >> dumped into 'out' lost when general_work returns WORK_CALLED_PRODUCE? >> >> My minds eye sees the out variable as a secondary local buffer >> for general_work. You dump stuff in there while general_work has >> scope, and transfer the contents of this buffer to the gnuradio >> block buffer when you call produce. Am I understanding this >> correctly? >> >> v/r, >> Rich >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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