diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-03-17 12:24:38 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-03-17 15:40:32 -0400 |
| commit | d4f6b86a9bdea09c2c158b9982559a727f8c6a0b (patch) | |
| tree | 60b452d387bd494b461ee78b2b0faec1fbf6e5fe /gnuradio-core/src/lib/general/gr_skiphead.cc | |
| parent | ee2b700f72503d6e7f62adbfb7dff9997b9cb003 (diff) | |
blocks: converting references to vector source/sink, null source/sink, nop, copy, head, skiphead, vector_map, and annotator blocks to use gr-blocks.
Diffstat (limited to 'gnuradio-core/src/lib/general/gr_skiphead.cc')
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_skiphead.cc | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/gnuradio-core/src/lib/general/gr_skiphead.cc b/gnuradio-core/src/lib/general/gr_skiphead.cc deleted file mode 100644 index c93478597b..0000000000 --- a/gnuradio-core/src/lib/general/gr_skiphead.cc +++ /dev/null @@ -1,108 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2005,2007,2010 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_skiphead.h> -#include <gr_io_signature.h> -#include <string.h> - -gr_skiphead::gr_skiphead (size_t itemsize, uint64_t nitems_to_skip) - : gr_block ("skiphead", - gr_make_io_signature(1, 1, itemsize), - gr_make_io_signature(1, 1, itemsize)), - d_nitems_to_skip(nitems_to_skip), d_nitems(0) -{ -} - -gr_skiphead_sptr -gr_make_skiphead (size_t itemsize, uint64_t nitems_to_skip) -{ - return gnuradio::get_initial_sptr(new gr_skiphead (itemsize, nitems_to_skip)); -} - -void -gr_skiphead::set_nitems_to_skip(uint64_t nitems_to_skip) -{ - d_nitems_to_skip = nitems_to_skip; - reset(); -} - -uint64_t -gr_skiphead::nitems_to_skip() const -{ - return d_nitems_to_skip; -} - -uint64_t -gr_skiphead::nitems_skiped() const -{ - return d_nitems; -} - -void -gr_skiphead::reset() -{ - d_nitems = 0; -} - -int -gr_skiphead::general_work(int noutput_items, - gr_vector_int &ninput_items_, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - const char *in = (const char *) input_items[0]; - char *out = (char *) output_items[0]; - - int ninput_items = std::min(ninput_items_[0], noutput_items); - int ii = 0; // input index - - while (ii < ninput_items){ - - uint64_t ni_total = ii + d_nitems; // total items processed so far - if (ni_total < d_nitems_to_skip){ // need to skip some more - - int n_to_skip = (int) std::min(d_nitems_to_skip - ni_total, - (uint64_t)(ninput_items - ii)); - ii += n_to_skip; - } - - else { // nothing left to skip. copy away - - int n_to_copy = ninput_items - ii; - if (n_to_copy > 0){ - size_t itemsize = output_signature()->sizeof_stream_item(0); - memcpy(out, in + (ii*itemsize), n_to_copy*itemsize); - } - - d_nitems += ninput_items; - consume_each(ninput_items); - return n_to_copy; - } - } - - d_nitems += ninput_items; - consume_each(ninput_items); - return 0; -} |