2 Copyright (C) 2012-2016 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 "stereo_picture_asset.h"
35 #include "stereo_picture_frame.h"
36 #include "exceptions.h"
37 #include "stereo_picture_asset_writer.h"
38 #include "stereo_picture_asset_reader.h"
39 #include "dcp_assert.h"
40 #include <asdcp/AS_DCP.h>
45 using boost::shared_ptr;
46 using boost::dynamic_pointer_cast;
49 StereoPictureAsset::StereoPictureAsset (boost::filesystem::path file)
52 ASDCP::JP2K::MXFSReader reader;
53 Kumu::Result_t r = reader.OpenRead (file.string().c_str());
54 if (ASDCP_FAILURE (r)) {
55 boost::throw_exception (MXFFileError ("could not open MXF file for reading", file.string(), r));
58 ASDCP::JP2K::PictureDescriptor desc;
59 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
60 boost::throw_exception (DCPReadError ("could not read video MXF information"));
63 read_picture_descriptor (desc);
65 ASDCP::WriterInfo info;
66 if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
67 boost::throw_exception (DCPReadError ("could not read video MXF information"));
70 _id = read_writer_info (info);
73 StereoPictureAsset::StereoPictureAsset (Fraction edit_rate, Standard standard)
74 : PictureAsset (edit_rate, standard)
79 shared_ptr<PictureAssetWriter>
80 StereoPictureAsset::start_write (boost::filesystem::path file, bool overwrite)
82 return shared_ptr<StereoPictureAssetWriter> (new StereoPictureAssetWriter (this, file, overwrite));
85 shared_ptr<StereoPictureAssetReader>
86 StereoPictureAsset::start_read () const
88 return shared_ptr<StereoPictureAssetReader> (new StereoPictureAssetReader (this, key(), standard()));
92 StereoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
94 ASDCP::JP2K::MXFSReader reader_A;
96 Kumu::Result_t r = reader_A.OpenRead (file()->string().c_str());
97 if (ASDCP_FAILURE (r)) {
98 boost::throw_exception (MXFFileError ("could not open MXF file for reading", file()->string(), r));
101 ASDCP::JP2K::MXFSReader reader_B;
102 DCP_ASSERT (other->file ());
103 r = reader_B.OpenRead (other->file()->string().c_str());
104 if (ASDCP_FAILURE (r)) {
105 boost::throw_exception (MXFFileError ("could not open MXF file for reading", other->file()->string(), r));
108 ASDCP::JP2K::PictureDescriptor desc_A;
109 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
110 boost::throw_exception (DCPReadError ("could not read video MXF information"));
112 ASDCP::JP2K::PictureDescriptor desc_B;
113 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
114 boost::throw_exception (DCPReadError ("could not read video MXF information"));
117 if (!descriptor_equals (desc_A, desc_B, note)) {
121 shared_ptr<const StereoPictureAsset> other_picture = dynamic_pointer_cast<const StereoPictureAsset> (other);
122 DCP_ASSERT (other_picture);
124 shared_ptr<const StereoPictureAssetReader> reader = start_read ();
125 shared_ptr<const StereoPictureAssetReader> other_reader = other_picture->start_read ();
129 for (int i = 0; i < _intrinsic_duration; ++i) {
130 shared_ptr<const StereoPictureFrame> frame_A;
131 shared_ptr<const StereoPictureFrame> frame_B;
133 frame_A = reader->get_frame (i);
134 frame_B = other_reader->get_frame (i);
135 } catch (DCPReadError& e) {
136 /* If there was a problem reading the frame data we'll just assume
137 the two frames are not equal.
139 note (DCP_ERROR, e.what ());
143 if (!frame_buffer_equals (
145 frame_A->left_j2k_data(), frame_A->left_j2k_size(),
146 frame_B->left_j2k_data(), frame_B->left_j2k_size()
149 if (!opt.keep_going) {
154 if (!frame_buffer_equals (
156 frame_A->right_j2k_data(), frame_A->right_j2k_size(),
157 frame_B->right_j2k_data(), frame_B->right_j2k_size()
160 if (!opt.keep_going) {