diff options
Diffstat (limited to 'gnuradio-runtime/lib/gr_sync_interpolator.cc')
-rw-r--r-- | gnuradio-runtime/lib/gr_sync_interpolator.cc | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/gnuradio-runtime/lib/gr_sync_interpolator.cc b/gnuradio-runtime/lib/gr_sync_interpolator.cc deleted file mode 100644 index ece873c14a..0000000000 --- a/gnuradio-runtime/lib/gr_sync_interpolator.cc +++ /dev/null @@ -1,70 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004,2008 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 <gr_sync_interpolator.h> - -gr_sync_interpolator::gr_sync_interpolator (const std::string &name, - gr_io_signature_sptr input_signature, - gr_io_signature_sptr output_signature, - unsigned interpolation) - : gr_sync_block (name, input_signature, output_signature) -{ - set_interpolation (interpolation); -} - -void -gr_sync_interpolator::forecast (int noutput_items, gr_vector_int &ninput_items_required) -{ - unsigned ninputs = ninput_items_required.size (); - for (unsigned i = 0; i < ninputs; i++) - ninput_items_required[i] = fixed_rate_noutput_to_ninput(noutput_items); -} - -int -gr_sync_interpolator::fixed_rate_noutput_to_ninput(int noutput_items) -{ - return noutput_items / interpolation() + history() - 1; -} - -int -gr_sync_interpolator::fixed_rate_ninput_to_noutput(int ninput_items) -{ - return std::max(0, ninput_items - (int)history() + 1) * interpolation(); -} - -int -gr_sync_interpolator::general_work (int noutput_items, - gr_vector_int &ninput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - int r = work (noutput_items, input_items, output_items); - if (r > 0) - consume_each (r / interpolation ()); - return r; -} - - |