Merge branch 'dfsg-orig'

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

diff --git a/gr-atsc/src/lib/atsc_depad.cc b/gr-atsc/src/lib/atsc_depad.cc
new file mode 100644 (file)
index 0000000..f1e8305
--- /dev/null
+++ b/gr-atsc/src/lib/atsc_depad.cc
@@ -0,0 +1,61 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2008 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_depad.h>
+#include <gr_io_signature.h>
+#include <atsc_types.h>
+
+atsc_depad_sptr
+atsc_make_depad()
+{
+  return atsc_depad_sptr(new atsc_depad());
+}
+
+atsc_depad::atsc_depad()
+  : gr_sync_interpolator("atsc_depad",
+                        gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet)),
+                        gr_make_io_signature(1, 1, sizeof(unsigned char)),
+                        ATSC_MPEG_PKT_LENGTH)
+{
+  reset();
+}
+
+int
+atsc_depad::work (int noutput_items,
+                 gr_vector_const_void_star &input_items,
+                 gr_vector_void_star &output_items)
+{
+  const atsc_mpeg_packet *in = (const atsc_mpeg_packet *) input_items[0];
+  unsigned char *out = (unsigned char *) output_items[0];
+
+  int i;
+
+  for (i = 0; i < noutput_items/ATSC_MPEG_PKT_LENGTH; i++){
+    memcpy(&out[i * ATSC_MPEG_PKT_LENGTH], in[i].data, ATSC_MPEG_PKT_LENGTH);
+  }
+
+  return i * ATSC_MPEG_PKT_LENGTH;
+}