1 files changed, 81 insertions, 0 deletions
diff --git a/gr-vocoder/lib/freedv_rx_ss_impl.h b/gr-vocoder/lib/freedv_rx_ss_impl.h
new file mode 100644
index 0000000000..acc49d9d82
--- /dev/null
+++ b/gr-vocoder/lib/freedv_rx_ss_impl.h
@@ -0,0 +1,81 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2016 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_VOCODER_FREEDV_RX_SS_IMPL_H
+#define INCLUDED_VOCODER_FREEDV_RX_SS_IMPL_H
+
+#include <gnuradio/vocoder/freedv_rx_ss.h>
+
+extern "C" {
+  struct freedv_rx_callback_state {
+    FILE *ftxt;
+  };
+  static void put_next_rx_char(void *callback_state, char c);
+  void put_next_rx_proto(void *callback_state,char *proto_bits);
+  void datarx(void *callback_state, unsigned char *packet, size_t size);
+  void datatx(void *callback_state, unsigned char *packet, size_t *size);
+}
+
+namespace gr {
+  namespace vocoder {
+
+    class freedv_rx_ss_impl : public freedv_rx_ss
+    {
+    private:
+      short *d_speech_out;
+      short *d_demod_in;
+      struct freedv *d_freedv;
+      int d_nin, d_nout, d_frame;
+      struct freedv_rx_callback_state d_cb_state;
+      struct MODEM_STATS d_stats;
+      int d_mode;
+      int d_sync;
+      int d_total_bits;
+      int d_total_bit_errors;
+      float d_snr_est;
+      float d_squelch_thresh;
+      int d_speech_samples;
+      int d_max_modem_samples;
+      float d_clock_offset;
+      int d_use_codecrx;
+      struct CODEC2 *d_c2 = NULL;
+
+    public:
+      freedv_rx_ss_impl(int mode, float squelch_thresh);
+      ~freedv_rx_ss_impl();
+
+      void set_squelch_thresh(float squelch_thresh);
+      float squelch_thresh();
+
+      // Where all the action really happens
+      void forecast(int noutput_items, gr_vector_int &ninput_items_required);
+
+      int general_work(int noutput_items,
+                       gr_vector_int &ninput_items,
+                       gr_vector_const_void_star &input_items,
+                       gr_vector_void_star &output_items);
+    };
+
+  } /* namespace vocoder */
+} /* namespace gr */
+
+#endif /* INCLUDED_VOCODER_FREEDV_RX_SS_IMPL_H */