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>
49 using boost::shared_ptr;
50 using boost::optional;
51 using boost::dynamic_pointer_cast;
54 static bool verbose = false;
59 cerr << "Syntax: " << n << " [OPTION] <DCP> <DCP>\n"
60 << " -V, --version show libdcp version\n"
61 << " -h, --help show this help\n"
62 << " -v, --verbose be verbose\n"
63 << " --cpl-annotation-texts allow differing CPL annotation texts\n"
64 << " --reel-annotation-texts allow differing reel annotation texts\n"
65 << " -a, --annotation-texts allow different CPL and reel annotation texts\n"
66 << " -d, --issue-dates allow different issue dates\n"
67 << " -m, --mean-pixel maximum allowed mean pixel error (default 5)\n"
68 << " -s, --std-dev-pixel maximum allowed standard deviation of pixel error (default 5)\n"
69 << " --key hexadecimal key to use to decrypt MXFs\n"
70 << " -k, --keep-going carry on in the event of errors, if possible\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";
88 load_dcp (boost::filesystem::path path, bool keep_going, bool ignore_missing_assets, optional<string> key)
93 DCP::ReadErrors errors;
94 dcp->read (keep_going, &errors);
95 filter_errors (errors, ignore_missing_assets);
96 for (DCP::ReadErrors::const_iterator i = errors.begin(); i != errors.end(); ++i) {
97 cerr << (*i)->what() << "\n";
101 list<shared_ptr<Asset> > assets = dcp->assets ();
102 for (list<shared_ptr<Asset> >::const_iterator i = assets.begin(); i != assets.end(); ++i) {
103 shared_ptr<MXF> mxf = dynamic_pointer_cast<MXF> (*i);
105 mxf->set_key (Key (key.get ()));
110 } catch (FileError& e) {
111 cerr << "Could not read DCP " << path.string() << "; " << e.what() << " " << e.filename() << "\n";
119 main (int argc, char* argv[])
121 EqualityOptions options;
122 options.max_mean_pixel_error = 5;
123 options.max_std_dev_pixel_error = 5;
124 options.reel_hashes_can_differ = true;
125 options.reel_annotation_texts_can_differ = false;
126 options.keep_going = 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 { "keep-going", no_argument, 0, 'k'},
139 { "annotation-texts", no_argument, 0, 'a'},
140 { "issue-dates", no_argument, 0, 'd'},
141 /* From here we're using random capital letters for the short option */
142 { "ignore-missing-assets", no_argument, 0, 'A'},
143 { "cpl-annotation-texts", no_argument, 0, 'C'},
144 { "key", required_argument, 0, 'D'},
145 { "reel-annotation-texts", no_argument, 0, 'E'},
149 int c = getopt_long (argc, argv, "Vhvm:s:kadACD:E", long_options, &option_index);
157 cout << "dcpdiff version " << LIBDCP_VERSION << "\n";
166 options.max_mean_pixel_error = atof (optarg);
169 options.max_std_dev_pixel_error = atof (optarg);
172 options.keep_going = true;
175 options.cpl_annotation_texts_can_differ = options.reel_annotation_texts_can_differ = true;
178 options.issue_dates_can_differ = true;
181 ignore_missing_assets = true;
185 options.cpl_annotation_texts_can_differ = true;
188 key = string (optarg);
191 options.reel_annotation_texts_can_differ = true;
196 if (argc <= optind || argc > (optind + 2)) {
201 if (!boost::filesystem::exists (argv[optind])) {
202 cerr << argv[0] << ": DCP " << argv[optind] << " not found.\n";
206 if (!boost::filesystem::exists (argv[optind + 1])) {
207 cerr << argv[0] << ": DCP " << argv[optind + 1] << " not found.\n";
211 DCP* a = load_dcp (argv[optind], options.keep_going, ignore_missing_assets, key);
212 DCP* b = load_dcp (argv[optind + 1], options.keep_going, ignore_missing_assets, key);
214 /* I think this is just below the LSB at 16-bits (ie the 8th most significant bit at 24-bit) */
215 options.max_audio_sample_error = 255;
217 bool const equals = a->equals (*b, options, boost::bind (note, _1, _2));
219 exit (equals ? EXIT_SUCCESS : EXIT_FAILURE);