diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-03-15 20:49:05 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-03-15 20:49:05 -0400 |
| commit | 3d38e82e7d87dfc01132b199e33b53add8a706fa (patch) | |
| tree | af4545bcf3cea24dc30571601116a3a89381ad5d /gr-atsc/lib/atsc_pad.cc | |
| parent | 39ff6d4814c858f2dbaf3c8007940872c46d6c95 (diff) | |
atsc: adjustments to atsc to start to conform to v3.7 structure.
Not going to comply completely with the new structure; just wanted to get it so that it looked more consistent once installed.
Diffstat (limited to 'gr-atsc/lib/atsc_pad.cc')
| -rw-r--r-- | gr-atsc/lib/atsc_pad.cc | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gr-atsc/lib/atsc_pad.cc b/gr-atsc/lib/atsc_pad.cc new file mode 100644 index 0000000000..9b181a8b78 --- /dev/null +++ b/gr-atsc/lib/atsc_pad.cc @@ -0,0 +1,78 @@ +/* -*- 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/pad.h> +#include <gr_io_signature.h> +#include <atsc/types.h> + +static const int INTR = ATSC_MPEG_PKT_LENGTH; + +atsc_pad_sptr +atsc_make_pad() +{ + return gnuradio::get_initial_sptr(new atsc_pad()); +} + +atsc_pad::atsc_pad() + : gr_sync_decimator("atsc_pad", + gr_make_io_signature(1, 1, sizeof(unsigned char)), + gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet)), + INTR) +{ + reset(); +} + +void +atsc_pad::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] = noutput_items * ATSC_MPEG_PKT_LENGTH; +} + + +int +atsc_pad::work (int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) +{ + const unsigned char *in = (const unsigned char *) input_items[0]; + atsc_mpeg_packet *out = (atsc_mpeg_packet *) output_items[0]; + + int i; + + for (i = 0; i < noutput_items; i++){ + for (int j = 0; j < ATSC_MPEG_PKT_LENGTH; j++) + out[i].data[j] = in[i * ATSC_MPEG_PKT_LENGTH + j]; + + } + + return noutput_items; +} + + + + |