Merge branch 'upstream' into dfsg-orig

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

diff --git a/gr-atsc/src/lib/atsc_trellis_encoder.cc b/gr-atsc/src/lib/atsc_trellis_encoder.cc
new file mode 100644 (file)
index 0000000..efd0883
--- /dev/null
+++ b/gr-atsc/src/lib/atsc_trellis_encoder.cc
@@ -0,0 +1,60 @@
+/* -*- 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_trellis_encoder.h>
+#include <gr_io_signature.h>
+#include <atsc_consts.h>
+
+
+atsc_trellis_encoder_sptr
+atsc_make_trellis_encoder()
+{
+  return atsc_trellis_encoder_sptr(new atsc_trellis_encoder());
+}
+
+atsc_trellis_encoder::atsc_trellis_encoder()
+  : gr_sync_block("atsc_trellis_encoder",
+                 gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet_rs_encoded)),
+                 gr_make_io_signature(1, 1, sizeof(atsc_data_segment)))
+{
+  set_output_multiple(atsci_trellis_encoder::NCODERS);
+  reset();
+}
+
+int
+atsc_trellis_encoder::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_data_segment *out = (atsc_data_segment *) output_items[0];
+
+  for (int i = 0; i < atsci_trellis_encoder::NCODERS; i += atsci_trellis_encoder::NCODERS){
+    d_trellis_encoder.encode(&out[i], &in[i]);
+  }
+  return atsci_trellis_encoder::NCODERS;
+}
+