diff options
Diffstat (limited to 'gr-atsc/lib/qa_atsci_data_interleaver.cc')
| -rw-r--r-- | gr-atsc/lib/qa_atsci_data_interleaver.cc | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/gr-atsc/lib/qa_atsci_data_interleaver.cc b/gr-atsc/lib/qa_atsci_data_interleaver.cc deleted file mode 100644 index 87cb45f49e..0000000000 --- a/gr-atsc/lib/qa_atsci_data_interleaver.cc +++ /dev/null @@ -1,197 +0,0 @@ -/* -*- 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. - */ - -#include <cppunit/TestAssert.h> -#include "qa_atsci_data_interleaver.h" -#include <string.h> - - -/*! - * write an easy to identify pattern into the packet - */ -void -qa_atsci_data_interleaver::init_test_packet (int counter, - atsc_mpeg_packet_rs_encoded &out) -{ - out.data[0] = 0xf0; - out.data[1] = 0xff; - out.data[2] = (counter >> 8) & 0xff; - out.data[3] = counter & 0xff; - - for (int i = 4; i < 205; i++) - out.data[i] = i; - - out.data[205] = 0xa0; - out.data[206] = 0xaf; -} - -void -qa_atsci_data_interleaver::print_packet (FILE *fp, - int frame_number, - int field_number, - int segment_number, - const atsc_mpeg_packet_rs_encoded &in) -{ - fprintf (fp, "%04d:%d:%03d ", frame_number, field_number, segment_number); - - const unsigned char *p = &in.data[0]; - for (int i = 0; i < 8; i++) - fprintf (fp, "%02X", p[i]); - - fprintf (fp, " "); - p = &in.data[8]; - for (int i = 0; i < 8; i++) - fprintf (fp, "%02X", p[i]); - - - fprintf (fp, " ... "); - p = &in.data[191]; - for (int i = 0; i < 8; i++) - fprintf (fp, "%02X", p[i]); - - fprintf (fp, " "); - p = &in.data[199]; - for (int i = 0; i < 8; i++) - fprintf (fp, "%02X", p[i]); - - fprintf (fp, "\n"); -} - -void -qa_atsci_data_interleaver::chk_assert (const atsc_mpeg_packet_rs_encoded &expected, - const atsc_mpeg_packet_rs_encoded &actual) -{ - if (expected == actual) - return; - - FILE *fp = stderr; - - fprintf (fp, "Expected: "); - print_packet (fp, 0, 0, 0, expected); - - fprintf (fp, "Actual: "); - print_packet (fp, 0, 0, 0, actual); - - CPPUNIT_ASSERT (expected == actual); -} - -void -qa_atsci_data_interleaver::t0 () -{ - int counter = 0; - atsc_mpeg_packet_rs_encoded in, enc, out; - atsc_mpeg_packet_rs_encoded zero; - - memset (&zero, 0, sizeof (zero)); - - for (int frame = 0; frame < 4; frame++){ - for (int field = 0; field < 2; field++){ - for (int segment = 0; segment < 312; segment++, counter++){ - - // build test packet - init_test_packet (counter, in); - in.pli.set_regular_seg (field == 1, segment); - - // interleave it - outbound.interleave (enc, in); - - // deinterleave it - inbound.deinterleave (out, enc); - - if (counter < 52) - // CPPUNIT_ASSERT (zero == out); - chk_assert (zero, out); - - else if (counter >= 52){ - atsc_mpeg_packet_rs_encoded expected; - init_test_packet (counter - 52, expected); - // CPPUNIT_ASSERT (expected == out); - chk_assert (expected, out); - } - } - } - } -} - -// -// Note, this assumes that the interleaver and deinterleaver -// have the state left by t0. -// -// This test pushes crap into the interleaver, and then confirms that -// the deinterleaver recovers. This would be part of what you'd see -// on a channel change. -// - -void -qa_atsci_data_interleaver::t1 () -{ - int counter = 0; - atsc_mpeg_packet_rs_encoded in, enc, out; - atsc_mpeg_packet_rs_encoded zero; - - memset (&zero, 0, sizeof (zero)); - - static const int NCRAP = 13; - - // push NCRAP segments of crap into the interleaver, - // but don't change the deinterleaver state - - for (int i = 0; i < NCRAP; i++){ - init_test_packet (i + 2758, in); - in.pli.set_regular_seg (false, i + 5); - - outbound.interleave (enc, in); - } - - // now run the normal test. - // we should get good segments after NCRAP + 52 - - int starting_counter = 3141; - counter = starting_counter; - - for (int frame = 0; frame < 4; frame++){ - for (int field = 0; field < 2; field++){ - for (int segment = 0; segment < 312; segment++, counter++){ - - // build test packet - init_test_packet (counter, in); - in.pli.set_regular_seg (field == 1, segment); - - // interleave it - outbound.interleave (enc, in); - - // deinterleave it - inbound.deinterleave (out, enc); - - if (counter < starting_counter + 52 + NCRAP){ - // don't care... - } - else if (counter >= starting_counter + 52 + NCRAP){ - atsc_mpeg_packet_rs_encoded expected; - init_test_packet (counter - 52, expected); - // CPPUNIT_ASSERT (expected == out); - chk_assert (expected, out); - } - } - } - } -} |