From b409a4b0c6131e01fc5a03c0fc31caa4829b0dec Mon Sep 17 00:00:00 2001
From: Johnathan Corgan <jcorgan@corganenterprises.com>
Date: Mon, 18 Jul 2011 15:54:43 -0700
Subject: gr-vocoder: re-implemented gr-codec2-vocoder inside gr-vocoder

---
 gr-vocoder/lib/vocoder_codec2_encode_sp.cc | 72 ++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 gr-vocoder/lib/vocoder_codec2_encode_sp.cc

(limited to 'gr-vocoder/lib/vocoder_codec2_encode_sp.cc')

diff --git a/gr-vocoder/lib/vocoder_codec2_encode_sp.cc b/gr-vocoder/lib/vocoder_codec2_encode_sp.cc
new file mode 100644
index 0000000000..1f22e38b2f
--- /dev/null
+++ b/gr-vocoder/lib/vocoder_codec2_encode_sp.cc
@@ -0,0 +1,72 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2005,2011 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "vocoder_codec2_encode_sp.h"
+
+extern "C" {
+#include "codec2/codec2.h"
+}
+
+#include <gr_io_signature.h>
+#include <stdexcept>
+
+vocoder_codec2_encode_sp_sptr
+vocoder_make_codec2_encode_sp ()
+{
+  return gnuradio::get_initial_sptr(new vocoder_codec2_encode_sp ());
+}
+
+vocoder_codec2_encode_sp::vocoder_codec2_encode_sp ()
+  : gr_sync_decimator ("vocoder_codec2_encode_sp",
+		       gr_make_io_signature (1, 1, sizeof (short)),
+		       gr_make_io_signature (1, 1, CODEC2_BITS_PER_FRAME * sizeof (char)),
+		       CODEC2_SAMPLES_PER_FRAME)
+{
+  if ((d_codec2 = codec2_create ()) == 0)
+    throw std::runtime_error ("vocoder_codec2_encode_sp: codec2_create failed");
+}
+
+vocoder_codec2_encode_sp::~vocoder_codec2_encode_sp ()
+{
+  codec2_destroy(d_codec2);
+}
+
+int
+vocoder_codec2_encode_sp::work (int noutput_items,
+				gr_vector_const_void_star &input_items,
+				gr_vector_void_star &output_items)
+{
+  const short *in = (const short *) input_items[0];
+  unsigned char *out = (unsigned char *) output_items[0];
+
+  for (int i = 0; i < noutput_items; i++){
+    codec2_encode (d_codec2, out, const_cast<short*>(in));
+    in += CODEC2_SAMPLES_PER_FRAME;
+    out += CODEC2_BITS_PER_FRAME * sizeof (char);
+  }
+
+  return noutput_items;
+}
-- 
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