summaryrefslogtreecommitdiff
path: root/gr-atsc/src/lib/atsc_randomizer.cc
diff options
context:
space:
mode:
Diffstat (limited to 'gr-atsc/src/lib/atsc_randomizer.cc')
-rw-r--r--gr-atsc/src/lib/atsc_randomizer.cc87
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;
-}