GNU Radio 3.5.1 C++ API
vocoder_ulaw_encode_sb.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2011 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 #ifndef INCLUDED_VOCODER_ULAW_ENCODER_SB_H
00024 #define INCLUDED_VOCODER_ULAW_ENCODER_SB_H
00025 
00026 #include <vocoder_api.h>
00027 #include <gr_sync_block.h>
00028 
00029 class vocoder_ulaw_encode_sb;
00030 
00031 typedef boost::shared_ptr<vocoder_ulaw_encode_sb> vocoder_ulaw_encode_sb_sptr;
00032 
00033 VOCODER_API vocoder_ulaw_encode_sb_sptr vocoder_make_ulaw_encode_sb();
00034 
00035 /*!
00036  * \brief This block performs g.711 ulaw audio encoding. 
00037  *
00038  * \ingroup vocoder_blk
00039  */
00040 class VOCODER_API vocoder_ulaw_encode_sb : public gr_sync_block
00041 {
00042 private:
00043   friend VOCODER_API vocoder_ulaw_encode_sb_sptr vocoder_make_ulaw_encode_sb();
00044 
00045   vocoder_ulaw_encode_sb();
00046 
00047  public:
00048   ~vocoder_ulaw_encode_sb();
00049 
00050   int work(int noutput_items,
00051            gr_vector_const_void_star &input_items,
00052            gr_vector_void_star &output_items);
00053 };
00054 
00055 #endif /* INCLUDED_VOCODER_ULAW_ENCODE_SB_H */