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.
37 #include "equality_options.h"
38 #include "exceptions.h"
39 #include "filesystem.h"
42 #include <boost/optional.hpp>
44 #include <boost/filesystem.hpp>
53 using std::shared_ptr;
55 using boost::optional;
56 using std::dynamic_pointer_cast;
57 #if BOOST_VERSION >= 106100
58 using namespace boost::placeholders;
62 static bool verbose = false;
67 cerr << "Syntax: " << n << " [OPTION] <DCP> <DCP>\n"
68 << " -V, --version show libdcp version\n"
69 << " -h, --help show this help\n"
70 << " -v, --verbose be verbose\n"
71 << " --cpl-annotation-texts allow differing CPL annotation texts\n"
72 << " --reel-annotation-texts allow differing reel annotation texts\n"
73 << " -a, --annotation-texts allow different CPL and reel annotation texts\n"
74 << " -d, --issue-dates allow different issue dates\n"
75 << " -m, --mean-pixel maximum allowed mean pixel error (default 5)\n"
76 << " -s, --std-dev-pixel maximum allowed standard deviation of pixel error (default 5)\n"
77 << " --key hexadecimal key to use to decrypt MXFs\n"
78 << " --ignore-missing-assets ignore missing asset files\n"
79 << " --export-differing-subtitles export the first pair of differing image subtitles to the current working directory\n"
81 << "The <DCP>s are the DCP directories to compare.\n"
82 << "Comparison is of metadata and content, ignoring timestamps\n"
83 << "and differing UUIDs.\n";
87 note (NoteType t, string n)
89 if (t == NoteType::ERROR || verbose) {
90 cout << " " << n << "\n";
97 load_dcp (boost::filesystem::path path, bool ignore_missing_assets, optional<string> key)
101 dcp = new DCP (path);
102 vector<dcp::VerificationNote> notes;
104 filter_notes (notes, ignore_missing_assets);
105 for (auto i: notes) {
106 cerr << dcp::note_to_string(i) << "\n";
110 auto assets = dcp->assets ();
111 for (auto i: assets) {
112 auto mxf = dynamic_pointer_cast<MXF>(i);
114 mxf->set_key (Key (key.get ()));
119 } catch (FileError& e) {
120 cerr << "Could not read DCP " << path.string() << "; " << e.what() << " " << e.filename() << "\n";
128 main (int argc, char* argv[])
132 EqualityOptions options;
133 options.max_mean_pixel_error = 5;
134 options.max_std_dev_pixel_error = 5;
135 options.reel_hashes_can_differ = true;
136 options.reel_annotation_texts_can_differ = false;
137 bool ignore_missing_assets = false;
138 optional<string> key;
140 int option_index = 0;
142 static struct option long_options[] = {
143 { "version", no_argument, 0, 'V'},
144 { "help", no_argument, 0, 'h'},
145 { "verbose", no_argument, 0, 'v'},
146 { "mean-pixel", required_argument, 0, 'm'},
147 { "std-dev-pixel", required_argument, 0, 's'},
148 { "annotation-texts", no_argument, 0, 'a'},
149 { "issue-dates", no_argument, 0, 'd'},
150 /* From here we're using random capital letters for the short option */
151 { "ignore-missing-assets", no_argument, 0, 'A'},
152 { "cpl-annotation-texts", no_argument, 0, 'C'},
153 { "key", required_argument, 0, 'D'},
154 { "reel-annotation-texts", no_argument, 0, 'E'},
155 { "export-differing-subtitles", no_argument, 0, 'F' },
159 int c = getopt_long (argc, argv, "Vhvm:s:adACD:EF", long_options, &option_index);
167 cout << "dcpdiff version " << dcp::version << "\n";
176 options.max_mean_pixel_error = atof (optarg);
179 options.max_std_dev_pixel_error = atof (optarg);
182 options.cpl_annotation_texts_can_differ = options.reel_annotation_texts_can_differ = true;
185 options.issue_dates_can_differ = true;
188 ignore_missing_assets = true;
192 options.cpl_annotation_texts_can_differ = true;
195 key = string (optarg);
198 options.reel_annotation_texts_can_differ = true;
201 options.export_differing_subtitles = true;
206 if (argc <= (optind + 1) || argc > (optind + 2)) {
211 if (!filesystem::exists(argv[optind])) {
212 cerr << argv[0] << ": DCP " << argv[optind] << " not found.\n";
216 if (!filesystem::exists(argv[optind + 1])) {
217 cerr << argv[0] << ": DCP " << argv[optind + 1] << " not found.\n";
221 DCP* a = load_dcp (argv[optind], ignore_missing_assets, key);
222 DCP* b = load_dcp (argv[optind + 1], ignore_missing_assets, key);
224 /* I think this is just below the LSB at 16-bits (ie the 8th most significant bit at 24-bit) */
225 options.max_audio_sample_error = 255;
227 bool const equals = a->equals (*b, options, boost::bind (note, _1, _2));
229 exit (equals ? EXIT_SUCCESS : EXIT_FAILURE);