2 Copyright (C) 2016 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.
34 #include "encrypted_kdm.h"
35 #include "decrypted_kdm.h"
36 #include "crypto_context.h"
39 #include "atmos_asset.h"
40 #include "atmos_frame.h"
41 #include "atmos_asset_reader.h"
42 #include "atmos_asset_writer.h"
43 #include "exceptions.h"
44 #include <asdcp/AS_DCP.h>
45 #include <boost/foreach.hpp>
52 using boost::optional;
53 using boost::shared_ptr;
58 cerr << "Syntax: " << n << " [OPTION] <MXF>]\n"
59 << " -v, --version show libdcp version\n"
60 << " -h, --help show this help\n"
61 << " -o, --output output filename\n"
62 << " -k, --kdm KDM file\n"
63 << " -p, --private-key private key file\n";
67 main (int argc, char* argv[])
69 optional<boost::filesystem::path> output_file;
70 optional<boost::filesystem::path> kdm_file;
71 optional<boost::filesystem::path> private_key_file;
75 struct option long_options[] = {
76 { "version", no_argument, 0, 'v' },
77 { "help", no_argument, 0, 'h' },
78 { "output", required_argument, 0, 'o'},
79 { "kdm", required_argument, 0, 'k'},
80 { "private-key", required_argument, 0, 'p'},
84 int c = getopt_long (argc, argv, "vho:k:p:", long_options, &option_index);
92 cout << "libdcp version " << LIBDCP_VERSION << "\n";
104 private_key_file = optarg;
109 if (optind >= argc) {
114 boost::filesystem::path input_file = argv[optind];
117 cerr << "You must specify -o or --output\n";
122 cerr << "You must specify -k or --kdm\n";
126 if (!private_key_file) {
127 cerr << "You must specify -p or --private-key\n";
131 dcp::EncryptedKDM encrypted_kdm (dcp::file_to_string (kdm_file.get ()));
132 dcp::DecryptedKDM decrypted_kdm (encrypted_kdm, dcp::file_to_string (private_key_file.get()));
134 /* XXX: only works for Atmos! */
137 dcp::AtmosAsset in (input_file);
138 shared_ptr<dcp::AtmosAssetReader> reader = in.start_read ();
139 dcp::AtmosAsset out (
142 in.max_channel_count(),
143 in.max_object_count(),
147 shared_ptr<dcp::AtmosAssetWriter> writer = out.start_write (output_file.get());
148 for (int64_t i = 0; i < in.intrinsic_duration(); ++i) {
149 shared_ptr<const dcp::AtmosFrame> f = reader->get_frame (i);
150 writer->write (f->data(), f->size());
152 } catch (dcp::DCPReadError& e) {
153 cerr << "Unknown MXF format.\n";