1 files changed, 106 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
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+++ b/gr-fec/lib/cc_decoder_impl.h
@@ -0,0 +1,106 @@
+/* -*- 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>
+
+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_input_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(unsigned char* syms, int nbits);
+        int chainback_viterbi(unsigned char* data, unsigned int nbits,
+                              unsigned int endstate, unsigned int tailsize);
+        int find_endstate();
+        int tester[12];
+
+        unsigned char *Branchtab;
+        unsigned char Partab[256];
+
+
+        int d_ADDSHIFT;
+        int d_SUBSHIFT;
+        conv_kernel d_kernel;
+        unsigned int d_max_frame_size;
+        unsigned int d_frame_size;
+        unsigned int d_k;
+        unsigned int d_rate;
+        unsigned int d_partial_rate;
+        std::vector<int> d_polys;
+        cc_mode_t d_mode;
+        int d_padding;
+
+        struct v* d_vp;
+        unsigned char* d_managed_in;
+        unsigned int d_managed_in_size;
+        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 frame_size, int k,
+                        int rate, std::vector<int> polys,
+                        int start_state = 0, int end_state = -1,
+                        cc_mode_t mode=CC_STREAMING, bool padded=false);
+        ~cc_decoder_impl();
+
+        void generic_work(void *inbuffer, void *outbuffer);
+        bool set_frame_size(unsigned int frame_size);
+        double rate();
+      };
+
+    } /* namespace code */
+  } /* namespace fec */
+} /* namespace gr */
+
+#endif /* INCLUDED_FEC_CC_DECODER_IMPL_H */