diff options
Diffstat (limited to 'gr-atsc/src/lib/atsc_randomizer.cc')
-rw-r--r-- | gr-atsc/src/lib/atsc_randomizer.cc | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/gr-atsc/src/lib/atsc_randomizer.cc b/gr-atsc/src/lib/atsc_randomizer.cc deleted file mode 100644 index 73375e84c..000000000 --- a/gr-atsc/src/lib/atsc_randomizer.cc +++ /dev/null @@ -1,87 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2006,2010 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 <atsc_randomizer.h> -#include <gr_io_signature.h> -#include <atsc_consts.h> - - -atsc_randomizer_sptr -atsc_make_randomizer() -{ - return gnuradio::get_initial_sptr(new atsc_randomizer()); -} - -atsc_randomizer::atsc_randomizer() - : gr_sync_block("atsc_randomizer", - gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet)), - gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet_no_sync))) -{ - reset(); -} - -void -atsc_randomizer::reset() -{ - d_rand.reset(); - d_field2 = false; - d_segno = 0; -} - -int -atsc_randomizer::work (int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - const atsc_mpeg_packet *in = (const atsc_mpeg_packet *) input_items[0]; - atsc_mpeg_packet_no_sync *out = (atsc_mpeg_packet_no_sync *) output_items[0]; - - for (int i = 0; i < noutput_items; i++){ - - // sanity check incoming data. - assert((in[i].data[0] == MPEG_SYNC_BYTE)); - assert((in[i].data[1] & MPEG_TRANSPORT_ERROR_BIT) == 0); - - // initialize plinfo for downstream - // - // We do this here because the randomizer is effectively - // the head of the tx processing chain - // - out[i].pli.set_regular_seg(d_field2, d_segno); - d_segno++; - if (d_segno == 312){ - d_segno = 0; - d_field2 = !d_field2; - } - - if (out[i].pli.first_regular_seg_p()) - d_rand.reset(); - - d_rand.randomize(out[i], in[i]); - } - - return noutput_items; -} |