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Diffstat (limited to 'gr-atsc/include/gnuradio/atsc/viterbi_decoder_impl.h')
| -rw-r--r-- | gr-atsc/include/gnuradio/atsc/viterbi_decoder_impl.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/gr-atsc/include/gnuradio/atsc/viterbi_decoder_impl.h b/gr-atsc/include/gnuradio/atsc/viterbi_decoder_impl.h deleted file mode 100644 index 447d43911d..0000000000 --- a/gr-atsc/include/gnuradio/atsc/viterbi_decoder_impl.h +++ /dev/null @@ -1,84 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2002 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. - */ - -#ifndef _ATSC_VITERBI_DECODER_H_ -#define _ATSC_VITERBI_DECODER_H_ - -#define USE_SIMPLE_SLICER 0 - -#include <gnuradio/atsc/api.h> -#include <gnuradio/atsc/types.h> -#include <gnuradio/atsc/interleaver_fifo.h> - -#if (USE_SIMPLE_SLICER) -#include <gnuradio/atsc/fake_single_viterbi_impl.h> -typedef atsci_fake_single_viterbi single_viterbi_t; -#else -#include <gnuradio/atsc/single_viterbi_impl.h> -typedef atsci_single_viterbi single_viterbi_t; -#endif - -/*! - * \brief fancy, schmancy 12-way interleaved viterbi decoder for ATSC - */ - -class ATSC_API atsci_viterbi_decoder { -public: - static const int NCODERS = 12; - - atsci_viterbi_decoder (); - ~atsci_viterbi_decoder (); - - //! reset all decoder states - void reset (); - - /*! - * Take 12 data segments of soft decisions (floats) and - * produce 12 RS encoded data segments. We work in groups of 12 - * because that's the smallest number of segments that composes a - * single full cycle of the decoder mux. - */ - void decode (atsc_mpeg_packet_rs_encoded out[NCODERS], - const atsc_soft_data_segment in[NCODERS]); - - - - protected: - typedef interleaver_fifo<unsigned char> fifo_t; - - static const int SEGMENT_SIZE = ATSC_MPEG_RS_ENCODED_LENGTH; // 207 - static const int OUTPUT_SIZE = (SEGMENT_SIZE * 12); - static const int INPUT_SIZE = (ATSC_DATA_SEGMENT_LENGTH * 12); - - void decode_helper (unsigned char out[OUTPUT_SIZE], - const float in[INPUT_SIZE]); - - - single_viterbi_t viterbi[NCODERS]; - fifo_t *fifo[NCODERS]; - bool debug; - -}; - - - -#endif /* _ATSC_VITERBI_DECODER_H_ */ |