3 * Copyright 2005 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
26 #include "gsm_fr_encode_sp.h"
30 #include <gr_io_signature.h>
34 gsm_fr_make_encode_sp ()
36 return gsm_fr_encode_sp_sptr (new gsm_fr_encode_sp ());
39 gsm_fr_encode_sp::gsm_fr_encode_sp ()
40 : gr_sync_decimator ("gsm_fr_encode_sp",
41 gr_make_io_signature (1, 1, sizeof (short)),
42 gr_make_io_signature (1, 1, sizeof (gsm_frame)),
43 GSM_SAMPLES_PER_FRAME)
45 if ((d_gsm = gsm_create ()) == 0)
46 throw std::runtime_error ("gsm_fr_encode_sp: gsm_create failed");
49 gsm_fr_encode_sp::~gsm_fr_encode_sp ()
55 gsm_fr_encode_sp::work (int noutput_items,
56 gr_vector_const_void_star &input_items,
57 gr_vector_void_star &output_items)
59 const short *in = (const short *) input_items[0];
60 unsigned char *out = (unsigned char *) output_items[0];
62 for (int i = 0; i < noutput_items; i++){
63 gsm_encode (d_gsm, const_cast<short*>(in), out);
64 in += GSM_SAMPLES_PER_FRAME;
65 out += sizeof (gsm_frame);