Re: [Discuss-gnuradio] Maximum input items consumed on each input stream

Thank you very much Michael.

 What are the I/O buffer sizes?

* My block is a general block

* In my forecast: ninput_items_required[0] = noutput_items;

* In the general_work:  const gr_complex *in = (const gr_complex *) input_items[0]; 

                                      float *out = (float *) output_items[0]; 

/*

     * The private constructor       */      decoder_impl::frame_decoder_impl(int sample_rate,std::vector<int> output_sizes)        : gr::block("decoder",                gr::io_signature::make(1, 1, sizeof(gr_complex)),                gr::io_signature::makev(2, 2, output_sizes)),                s_rate(sample_rate)      {  
      

On Thu, Aug 29, 2019 at 5:41 AM Michael Dickens <michael.dickens@ettus.com> wrote:

Hi Laura - In the "work" or "general_work" method, there are arguments that contain the information you're looking for. These arguments are set depending on what type of block you're creating (source, sink, sync, tagged_stream, whatever), are influenced by what the "forecast()" method returns, and are constrained by the I/O buffer sizes. Sorry to be a little vague, but the answer is that the value of the variable "consumed" in your description is context dependent. Hope this is useful! - MLD

On Wed, Aug 28, 2019 at 2:53 PM Laura Arjona <arjonal@uw.edu> wrote:

Hello GNURadio community,

Does anyone know what is the maximum number of input items that an Out Of Tree block can consume on each input stream?

consume_each(consumed) --> what is the maximum value that the variable consumed can take?

Thank you very much.

--

Laura Arjona 

Washington Research Foundation Innovation Postdoctoral Fellow in Neuroengineering

Paul G. Allen School of Computer Science & Engineering

185 E Stevens Way NE

University of Washington

Seattle, WA 98195-2350

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Michael Dickens, Mac OS X Programmer

Ettus Research Technical Support

Email: support@ettus.com

Web: http://www.ettus.com

--

Laura Arjona 

Washington Research Foundation Innovation Postdoctoral Fellow in Neuroengineering

Paul G. Allen School of Computer Science & Engineering

185 E Stevens Way NE

University of Washington

Seattle, WA 98195-2350