2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 libdcp is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
30 version. If you delete this exception statement from all source
31 files in the program, then also delete it here.
35 #include "exceptions.h"
39 #include <boost/optional.hpp>
40 #include <boost/shared_ptr.hpp>
41 #include <boost/filesystem.hpp>
42 #include <boost/foreach.hpp>
50 using boost::shared_ptr;
51 using boost::optional;
52 using boost::dynamic_pointer_cast;
55 static bool verbose = false;
60 cerr << "Syntax: " << n << " [OPTION] <DCP> <DCP>\n"
61 << " -V, --version show libdcp version\n"
62 << " -h, --help show this help\n"
63 << " -v, --verbose be verbose\n"
64 << " --cpl-annotation-texts allow differing CPL annotation texts\n"
65 << " --reel-annotation-texts allow differing reel annotation texts\n"
66 << " -a, --annotation-texts allow different CPL and reel annotation texts\n"
67 << " -d, --issue-dates allow different issue dates\n"
68 << " -m, --mean-pixel maximum allowed mean pixel error (default 5)\n"
69 << " -s, --std-dev-pixel maximum allowed standard deviation of pixel error (default 5)\n"
70 << " --key hexadecimal key to use to decrypt MXFs\n"
71 << " --ignore-missing-assets ignore missing asset files\n"
73 << "The <DCP>s are the DCP directories to compare.\n"
74 << "Comparison is of metadata and content, ignoring timestamps\n"
75 << "and differing UUIDs.\n";
79 note (NoteType t, string n)
81 if (t == DCP_ERROR || verbose) {
82 cout << " " << n << "\n";
89 load_dcp (boost::filesystem::path path, bool ignore_missing_assets, optional<string> key)
94 list<dcp::VerificationNote> notes;
96 filter_notes (notes, ignore_missing_assets);
97 BOOST_FOREACH (dcp::VerificationNote i, notes) {
98 cerr << dcp::note_to_string(i) << "\n";
102 list<shared_ptr<Asset> > assets = dcp->assets ();
103 for (list<shared_ptr<Asset> >::const_iterator i = assets.begin(); i != assets.end(); ++i) {
104 shared_ptr<MXF> mxf = dynamic_pointer_cast<MXF> (*i);
106 mxf->set_key (Key (key.get ()));
111 } catch (FileError& e) {
112 cerr << "Could not read DCP " << path.string() << "; " << e.what() << " " << e.filename() << "\n";
120 main (int argc, char* argv[])
122 EqualityOptions options;
123 options.max_mean_pixel_error = 5;
124 options.max_std_dev_pixel_error = 5;
125 options.reel_hashes_can_differ = true;
126 options.reel_annotation_texts_can_differ = false;
127 bool ignore_missing_assets = false;
128 optional<string> key;
130 int option_index = 0;
132 static struct option long_options[] = {
133 { "version", no_argument, 0, 'V'},
134 { "help", no_argument, 0, 'h'},
135 { "verbose", no_argument, 0, 'v'},
136 { "mean-pixel", required_argument, 0, 'm'},
137 { "std-dev-pixel", required_argument, 0, 's'},
138 { "annotation-texts", no_argument, 0, 'a'},
139 { "issue-dates", no_argument, 0, 'd'},
140 /* From here we're using random capital letters for the short option */
141 { "ignore-missing-assets", no_argument, 0, 'A'},
142 { "cpl-annotation-texts", no_argument, 0, 'C'},
143 { "key", required_argument, 0, 'D'},
144 { "reel-annotation-texts", no_argument, 0, 'E'},
148 int c = getopt_long (argc, argv, "Vhvm:s:adACD:E", long_options, &option_index);
156 cout << "dcpdiff version " << LIBDCP_VERSION << "\n";
165 options.max_mean_pixel_error = atof (optarg);
168 options.max_std_dev_pixel_error = atof (optarg);
171 options.cpl_annotation_texts_can_differ = options.reel_annotation_texts_can_differ = true;
174 options.issue_dates_can_differ = true;
177 ignore_missing_assets = true;
181 options.cpl_annotation_texts_can_differ = true;
184 key = string (optarg);
187 options.reel_annotation_texts_can_differ = true;
192 if (argc <= (optind + 1) || argc > (optind + 2)) {
197 if (!boost::filesystem::exists (argv[optind])) {
198 cerr << argv[0] << ": DCP " << argv[optind] << " not found.\n";
202 if (!boost::filesystem::exists (argv[optind + 1])) {
203 cerr << argv[0] << ": DCP " << argv[optind + 1] << " not found.\n";
207 DCP* a = load_dcp (argv[optind], ignore_missing_assets, key);
208 DCP* b = load_dcp (argv[optind + 1], ignore_missing_assets, key);
210 /* I think this is just below the LSB at 16-bits (ie the 8th most significant bit at 24-bit) */
211 options.max_audio_sample_error = 255;
213 bool const equals = a->equals (*b, options, boost::bind (note, _1, _2));
215 exit (equals ? EXIT_SUCCESS : EXIT_FAILURE);