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| author | Johnathan Corgan <johnathan@corganlabs.com> | 2015-03-22 10:19:19 -0700 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2015-03-22 10:19:19 -0700 |
| commit | a709488d95cb71b0767e24e67a0cb70f46d30337 (patch) | |
| tree | 8de71698575d22b79ac20a54b01028fdc8dcabc9 /gr-atsc/lib/atsc_randomizer.cc | |
| parent | 65df3e31166b8f517a3779cddcdb7db5e68cdc9c (diff) | |
Removed top-level component gr-atsc.
This functionality has been migrated to the new gr-dtv top-level
component.
Diffstat (limited to 'gr-atsc/lib/atsc_randomizer.cc')
| -rw-r--r-- | gr-atsc/lib/atsc_randomizer.cc | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/gr-atsc/lib/atsc_randomizer.cc b/gr-atsc/lib/atsc_randomizer.cc deleted file mode 100644 index 6ee61a9888..0000000000 --- a/gr-atsc/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 <gnuradio/atsc/randomizer.h> -#include <gnuradio/io_signature.h> -#include <gnuradio/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::io_signature::make(1, 1, sizeof(atsc_mpeg_packet)), - gr::io_signature::make(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; -} |