diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-01-06 18:49:07 -0500 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-01-06 21:54:13 -0500 |
| commit | 7bee8dfbe234c8caf0c1033ebd71040355fcb838 (patch) | |
| tree | 7f1a477681fc1e7dd37567b4c19c307e44cf89e0 /gr-vocoder/lib/alaw_decode_bs_impl.cc | |
| parent | 9293a3863ae6fb1287e42185e4a7d8073375b65b (diff) | |
vocoder: converting to private impl format.
Diffstat (limited to 'gr-vocoder/lib/alaw_decode_bs_impl.cc')
| -rw-r--r-- | gr-vocoder/lib/alaw_decode_bs_impl.cc | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gr-vocoder/lib/alaw_decode_bs_impl.cc b/gr-vocoder/lib/alaw_decode_bs_impl.cc new file mode 100644 index 0000000000..abea694da9 --- /dev/null +++ b/gr-vocoder/lib/alaw_decode_bs_impl.cc @@ -0,0 +1,72 @@ +/* -*- c++ -*- */ +/* + * Copyright 2011,2013 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 "alaw_decode_bs_impl.h" +#include <gr_io_signature.h> +#include <limits.h> + +namespace gr { + namespace vocoder { + +extern "C" { +#include "g7xx/g72x.h" +} + + alaw_decode_bs::sptr + alaw_decode_bs::make() + { + return gnuradio::get_initial_sptr + (new alaw_decode_bs_impl()); + } + + alaw_decode_bs_impl::alaw_decode_bs_impl() + : gr_sync_block("vocoder_alaw_decode_bs", + gr_make_io_signature(1, 1, sizeof(unsigned char)), + gr_make_io_signature(1, 1, sizeof(short))) + { + } + + alaw_decode_bs_impl::~alaw_decode_bs_impl() + { + } + + int + alaw_decode_bs_impl::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]; + short *out = (short*)output_items[0]; + + for(int i = 0; i < noutput_items; i++) { + out[i] = alaw2linear(in[i]); + } + + return noutput_items; + } + + } /* namespace vocoder */ +} /* namespace gr */ |