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Diffstat (limited to 'gr-dtv/include/gnuradio/dtv/dvbt_inner_coder.h')
-rw-r--r-- | gr-dtv/include/gnuradio/dtv/dvbt_inner_coder.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/gr-dtv/include/gnuradio/dtv/dvbt_inner_coder.h b/gr-dtv/include/gnuradio/dtv/dvbt_inner_coder.h new file mode 100644 index 0000000000..e88596e09b --- /dev/null +++ b/gr-dtv/include/gnuradio/dtv/dvbt_inner_coder.h @@ -0,0 +1,69 @@ +/* -*- c++ -*- */ +/* + * Copyright 2015 Free Software Foundation, Inc. + * + * This 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. + * + * This software 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 this software; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#ifndef INCLUDED_DTV_DVBT_INNER_CODER_H +#define INCLUDED_DTV_DVBT_INNER_CODER_H + +#include <gnuradio/dtv/api.h> +#include <gnuradio/block.h> +#include <gnuradio/dtv/dvb_config.h> +#include <gnuradio/dtv/dvbt_config.h> + +namespace gr { + namespace dtv { + + /*! + * \brief Inner coder with Puncturing. + * \ingroup dtv + * + * ETSI EN 300 744 Clause 4.3.3 \n + * Mother convolutional code with rate 1/2. \n + * k=1, n=2, K=6. \n + * Generator polynomial G1=171(OCT), G2=133(OCT). \n + * Punctured to obtain rates of 2/3, 3/4, 5/6, 7/8. \n + * Data Input format: Packed bytes (each bit is data). \n + * MSB - first, LSB last. \n + * Data Output format: \n + * 000000X0X1 - QPSK. \n + * 0000X0X1X2X3 - 16QAM. \n + * 00X0X1X2X3X4X5 - 64QAM. + */ + class DTV_API dvbt_inner_coder : virtual public block + { + public: + typedef boost::shared_ptr<dvbt_inner_coder> sptr; + + /*! + * \brief Create an Inner coder with Puncturing. + * + * \param ninput length of input. \n + * \param noutput lenght of output. \n + * \param constellation type of constellation. \n + * \param hierarchy type of hierarchy used. \n + * \param coderate coderate used. + */ + static sptr make(int ninput, int noutput, dvb_constellation_t constellation, dvbt_hierarchy_t hierarchy, dvb_code_rate_t coderate); + }; + + } // namespace dtv +} // namespace gr + +#endif /* INCLUDED_DTV_DVBT_INNER_CODER_H */ + |