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-rw-r--r--gr-atsc/src/lib/atsc_trellis_encoder.cc60
1 files changed, 60 insertions, 0 deletions
diff --git a/gr-atsc/src/lib/atsc_trellis_encoder.cc b/gr-atsc/src/lib/atsc_trellis_encoder.cc
new file mode 100644
index 0000000000..77cf08af44
--- /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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, 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;
+}
+