Merge branch 'dfsg-orig'

[debian/gnuradio] / gr-atsc / src / lib / atsc_rs_decoder.cc

diff --git a/gr-atsc/src/lib/atsc_rs_decoder.cc b/gr-atsc/src/lib/atsc_rs_decoder.cc
new file mode 100644 (file)
index 0000000..680d64e
--- /dev/null
+++ b/gr-atsc/src/lib/atsc_rs_decoder.cc
@@ -0,0 +1,63 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006 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 <atsc_rs_decoder.h>
+#include <gr_io_signature.h>
+#include <atsc_consts.h>
+
+
+atsc_rs_decoder_sptr
+atsc_make_rs_decoder()
+{
+  return atsc_rs_decoder_sptr(new atsc_rs_decoder());
+}
+
+atsc_rs_decoder::atsc_rs_decoder()
+  : gr_sync_block("atsc_rs_decoder",
+                 gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet_rs_encoded)),
+                 gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet_no_sync)))
+{
+  reset();
+}
+
+int
+atsc_rs_decoder::work (int noutput_items,
+                      gr_vector_const_void_star &input_items,
+                      gr_vector_void_star &output_items)
+{
+  const atsc_mpeg_packet_rs_encoded *in = (const atsc_mpeg_packet_rs_encoded *) input_items[0];
+  atsc_mpeg_packet_no_sync *out = (atsc_mpeg_packet_no_sync *) output_items[0];
+
+  for (int i = 0; i < noutput_items; i++){
+    assert(in[i].pli.regular_seg_p());
+    out[i].pli = in[i].pli;                    // copy pipeline info...
+
+    int nerrors_corrrected = d_rs_decoder.decode(out[i], in[i]);
+    out[i].pli.set_transport_error(nerrors_corrrected == -1);
+  }
+
+  return noutput_items;
+}