diff options
| author | Tom Rondeau <tom@trondeau.com> | 2014-03-25 10:24:35 -0700 |
|---|---|---|
| committer | Tom Rondeau <tom@trondeau.com> | 2014-05-17 17:45:12 -0400 |
| commit | 6f84515d6290230abeea6c13e1c605746a8a272c (patch) | |
| tree | 9886f55646d94d523f94f1fc3a7921b0ce4baf0c /gr-fec/lib/cc_decoder_impl.h | |
| parent | 8e5eaa8dbe49973bc808dfe4cead2c91b96cb4c6 (diff) | |
fec: Merging fecapi with support for CC code.
Original code taken from next branch of Nick McCarthy's fecapi:
https://github.com/namccart/fecapi.git
Needs: examples, documentation, other tools.
Diffstat (limited to 'gr-fec/lib/cc_decoder_impl.h')
| -rw-r--r-- | gr-fec/lib/cc_decoder_impl.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/gr-fec/lib/cc_decoder_impl.h b/gr-fec/lib/cc_decoder_impl.h new file mode 100644 index 0000000000..cad1df9d38 --- /dev/null +++ b/gr-fec/lib/cc_decoder_impl.h @@ -0,0 +1,104 @@ +/* -*- c++ -*- */ +/* + * Copyright 2013-2014 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 INCLUDED_FEC_CC_DECODER_IMPL_H +#define INCLUDED_FEC_CC_DECODER_IMPL_H + +#include <map> +#include <string> +#include <gnuradio/fec/cc_decoder.h> +#include <gnuradio/fec/cc_common.h> + +namespace gr { + namespace fec { + namespace code { + + class FEC_API cc_decoder_impl : public cc_decoder + { + private: + //plug into the generic fec api + int get_output_size(); + int get_input_size(); + int get_history(); + float get_shift(); + int get_input_item_size(); + const char* get_conversion(); + //const char* get_output_conversion(); + + //everything else... + void create_viterbi(); + int init_viterbi(struct v* vp, int starting_state); + int init_viterbi_unbiased(struct v* vp); + int update_viterbi_blk(const COMPUTETYPE* syms, int nbits); + int chainback_viterbi(unsigned char* data, unsigned int nbits, + unsigned int endstate, unsigned int tailsize); + int find_endstate(); + int tester[12]; + + COMPUTETYPE *Branchtab; + unsigned char Partab[256]; + + bool d_tailbiting; + bool d_terminated; + bool d_truncated; + bool d_streaming; + int d_ADDSHIFT; + int d_SUBSHIFT; + conv_kernel d_kernel; + unsigned int d_framebits; + unsigned int d_k; + unsigned int d_rate; + unsigned int d_partial_rate; + std::vector<int> d_polys; + struct v* d_vp; + COMPUTETYPE* d_managed_in; + int d_numstates; + int d_decision_t_size; + int *d_start_state; + int d_start_state_chaining; + int d_start_state_nonchaining; + int *d_end_state; + int d_end_state_chaining; + int d_end_state_nonchaining; + unsigned int d_veclen; + int parity(int x); + int parityb(unsigned char x); + void partab_init(void); + std::map<std::string, conv_kernel> yp_kernel; + + public: + cc_decoder_impl(int framebits, int k, + int rate, std::vector<int> polys, + int start_state = 0, int end_state = -1, + bool tailbiting = false, bool terminated = false, + bool truncated = false, bool streaming = false); + ~cc_decoder_impl(); + + void set_framebits(int framebits); + void generic_work(void *inBuffer, void *outbuffer); + }; + + } /* namespace code */ + } /* namespace fec */ +} /* namespace gr */ + +#endif /* INCLUDED_FEC_CC_DECODER_IMPL_H */ |