> / void
> bbframer_bb_impl::forecast (int noutput_items, gr_vector_int
> &ninput_items_required)
> {
> ninput_items_required[0] = ((noutput_items - 32) / 8); // 32 bit
> postamble
> }/
You should make sure forecast can never return <0 or even ==0 numbers.
Returning 0 means you can produce output without input and the only
valid case for it is either a 'source' block, or if you _know_ that
you have currently buffered data and you can produce output without
any further inputs.
Cheers,
Sylvain
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