Merge branch 'upstream' into dfsg-orig

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

diff --git a/gr-atsc/src/lib/qa_atsci_trellis_encoder.cc b/gr-atsc/src/lib/qa_atsci_trellis_encoder.cc
new file mode 100644 (file)
index 0000000..390776e
--- /dev/null
+++ b/gr-atsc/src/lib/qa_atsci_trellis_encoder.cc
@@ -0,0 +1,116 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2002 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 <cppunit/TestAssert.h>
+#include <qa_atsci_trellis_encoder.h>
+#include <cstdio>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include <string.h>
+
+#define        NELEM(x) (sizeof (x) / sizeof (x[0]))
+
+
+static const int NCODERS = atsci_trellis_encoder::NCODERS;
+
+void
+qa_atsci_trellis_encoder::t0 ()
+{
+#if 0          // generate i/o test data for t1
+
+  atsc_mpeg_packet_rs_encoded  in[NCODERS];
+  atsc_data_segment            out[NCODERS];
+
+  
+  memset (in,  0, sizeof (in));
+  memset (out, 0, sizeof (out));
+
+  srandom (1);
+
+  printf ("@@@ INPUT @@@\n");
+  for (int i = 0; i < NCODERS; i++){
+    for (unsigned int j = 0; j < NELEM (in[i].data); j++){
+      int t = (random () >> 8) & 0xff; // 8 random bits
+      in[i].data[j] = t;
+      printf ("%d\n", t);
+    }
+  }
+  
+  enc.reset ();
+  enc.encode (out, in);
+
+  printf ("@@@ OUTPUT @@@\n");
+  for (int i = 0; i < NCODERS; i++){
+    for (unsigned int j = 0; j < NELEM (out[i].data); j++){
+       printf ("%d\n", out[i].data[j]);
+    }
+  }
+#endif
+}
+
+void
+qa_atsci_trellis_encoder::t1 ()
+{
+  atsc_mpeg_packet_rs_encoded  in[NCODERS];
+  atsc_data_segment            expected_out[NCODERS];
+  atsc_data_segment            actual_out[NCODERS];
+  static const unsigned char   raw_input[NCODERS * NELEM (in[0].data)] = {
+#include "qa_atsci_trellis_encoder_t1_input.dat"
+  };
+  static const unsigned char   raw_output[NCODERS * NELEM (expected_out[0].data)] = {
+#include "qa_atsci_trellis_encoder_t1_output.dat"
+  };
+
+
+  // load up input
+  const unsigned char *r = &raw_input[0];
+  for (int i = 0; i < NCODERS; i++){
+    in[i].pli.set_regular_seg (false, i);
+    for (unsigned int j = 0; j < NELEM (in[i].data); j++){
+      in[i].data[j] = *r++;
+    }
+  }
+
+  // load up expected output
+  r = &raw_output[0];
+  for (int i = 0; i < NCODERS; i++){
+    expected_out[i].pli.set_regular_seg (false, i);
+    for (unsigned int j = 0; j < NELEM (expected_out[i].data); j++){
+      expected_out[i].data[j] = *r++;
+    }
+  }
+
+  memset (&actual_out, 0, sizeof (actual_out));                // ensure zero
+
+  enc.reset ();
+  enc.encode (actual_out, in);                         // trellis code test data
+
+  for (int i = 0; i < NCODERS; i++){                   // check the result
+    CPPUNIT_ASSERT (expected_out[i] == actual_out[i]);
+    CPPUNIT_ASSERT (expected_out[i].pli == actual_out[i].pli);
+  }
+}