diff options
Diffstat (limited to 'gnuradio-core/src/lib/viterbi/encode.cc')
-rw-r--r-- | gnuradio-core/src/lib/viterbi/encode.cc | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/viterbi/encode.cc b/gnuradio-core/src/lib/viterbi/encode.cc new file mode 100644 index 000000000..83a85fcac --- /dev/null +++ b/gnuradio-core/src/lib/viterbi/encode.cc @@ -0,0 +1,54 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008 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. + */ + +/* + * This is a minimal example demonstrating how to call the ECC encoder + * in continuous streaming mode. It accepts data on stdin and writes to + * stdout. + * + * FIXME: This does not flush the final bits out of the encoder. + * + */ + +extern "C" { +#include "viterbi.h" +} + +#include <cstdio> + +#define MAXCHUNKSIZE 4096 +#define MAXENCSIZE MAXCHUNKSIZE*16 + +int main() +{ + unsigned char encoder_state = 0; + unsigned char data[MAXCHUNKSIZE]; + unsigned char syms[MAXENCSIZE]; + + while (!feof(stdin)) { + unsigned int n = fread(data, 1, MAXCHUNKSIZE, stdin); + encoder_state = encode(syms, data, n, encoder_state); + fwrite(syms, 1, n*16, stdout); + } + + return 0; +} |