/* -*- c++ -*- */ /* * Copyright 2012 Free Software Foundation, Inc. * * This file is part of GNU Radio * * GNU Radio is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3, or (at your option) * any later version. * * GNU Radio is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Radio; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "stream_to_streams_impl.h" #include #include namespace gr { namespace blocks { stream_to_streams::sptr stream_to_streams::make(size_t itemsize, size_t nstreams) { return gnuradio::get_initial_sptr(new stream_to_streams_impl(itemsize, nstreams)); } stream_to_streams_impl::stream_to_streams_impl(size_t itemsize, size_t nstreams) : gr_sync_decimator("stream_to_streams", gr_make_io_signature (1, 1, itemsize), gr_make_io_signature (nstreams, nstreams, itemsize), nstreams) { } int stream_to_streams_impl::work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) { size_t item_size = output_signature()->sizeof_stream_item(0); const char *in = (const char *)input_items[0]; char **outv = (char **)&output_items[0]; int nstreams = output_items.size(); for (int i = 0; i < noutput_items; i++) { for (int j = 0; j < nstreams; j++) { memcpy(outv[j], in, item_size); outv[j] += item_size; in += item_size; } } return noutput_items; } } /* namespace blocks */ } /* namespace gr */