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 "mono_picture_asset.h"
35 #include "mono_picture_asset_writer.h"
36 #include "mono_picture_asset_reader.h"
37 #include "exceptions.h"
38 #include "dcp_assert.h"
39 #include "mono_picture_frame.h"
40 #include "compose.hpp"
41 #include <asdcp/AS_DCP.h>
42 #include <asdcp/KM_fileio.h>
48 using boost::shared_ptr;
49 using boost::dynamic_pointer_cast;
52 MonoPictureAsset::MonoPictureAsset (boost::filesystem::path file)
55 ASDCP::JP2K::MXFReader reader;
56 Kumu::Result_t r = reader.OpenRead (file.string().c_str());
57 if (ASDCP_FAILURE (r)) {
58 boost::throw_exception (MXFFileError ("could not open MXF file for reading", file.string(), r));
61 ASDCP::JP2K::PictureDescriptor desc;
62 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
63 boost::throw_exception (ReadError ("could not read video MXF information"));
66 read_picture_descriptor (desc);
68 ASDCP::WriterInfo info;
69 if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
70 boost::throw_exception (ReadError ("could not read video MXF information"));
73 _id = read_writer_info (info);
76 MonoPictureAsset::MonoPictureAsset (Fraction edit_rate, Standard standard)
77 : PictureAsset (edit_rate, standard)
83 storing_note_handler (list<pair<NoteType, string> >& notes, NoteType t, string s)
85 notes.push_back (make_pair (t, s));
89 MonoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
91 if (!dynamic_pointer_cast<const MonoPictureAsset> (other)) {
95 ASDCP::JP2K::MXFReader reader_A;
97 Kumu::Result_t r = reader_A.OpenRead (_file->string().c_str());
98 if (ASDCP_FAILURE (r)) {
99 boost::throw_exception (MXFFileError ("could not open MXF file for reading", _file->string(), r));
102 ASDCP::JP2K::MXFReader reader_B;
103 DCP_ASSERT (other->file ());
104 r = reader_B.OpenRead (other->file()->string().c_str());
105 if (ASDCP_FAILURE (r)) {
106 boost::throw_exception (MXFFileError ("could not open MXF file for reading", other->file()->string(), r));
109 ASDCP::JP2K::PictureDescriptor desc_A;
110 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
111 boost::throw_exception (ReadError ("could not read video MXF information"));
113 ASDCP::JP2K::PictureDescriptor desc_B;
114 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
115 boost::throw_exception (ReadError ("could not read video MXF information"));
118 if (!descriptor_equals (desc_A, desc_B, note)) {
122 shared_ptr<const MonoPictureAsset> other_picture = dynamic_pointer_cast<const MonoPictureAsset> (other);
123 DCP_ASSERT (other_picture);
127 shared_ptr<MonoPictureAssetReader> reader = start_read ();
128 shared_ptr<MonoPictureAssetReader> other_reader = other_picture->start_read ();
131 #pragma omp parallel for
134 for (int i = 0; i < _intrinsic_duration; ++i) {
135 if (i >= other_picture->intrinsic_duration()) {
139 if (result || opt.keep_going) {
141 shared_ptr<const MonoPictureFrame> frame_A = reader->get_frame (i);
142 shared_ptr<const MonoPictureFrame> frame_B = other_reader->get_frame (i);
144 list<pair<NoteType, string> > notes;
146 if (!frame_buffer_equals (
147 i, opt, bind (&storing_note_handler, boost::ref(notes), _1, _2),
148 frame_A->j2k_data(), frame_A->j2k_size(),
149 frame_B->j2k_data(), frame_B->j2k_size()
158 note (DCP_PROGRESS, String::compose ("Compared video frame %1 of %2", i, _intrinsic_duration));
159 for (list<pair<NoteType, string> >::const_iterator i = notes.begin(); i != notes.end(); ++i) {
160 note (i->first, i->second);
169 shared_ptr<PictureAssetWriter>
170 MonoPictureAsset::start_write (boost::filesystem::path file, bool overwrite)
172 /* XXX: can't we use shared_ptr here? */
173 return shared_ptr<MonoPictureAssetWriter> (new MonoPictureAssetWriter (this, file, overwrite));
176 shared_ptr<MonoPictureAssetReader>
177 MonoPictureAsset::start_read () const
179 return shared_ptr<MonoPictureAssetReader> (new MonoPictureAssetReader (this, key(), standard()));
183 MonoPictureAsset::cpl_node_name () const
185 return "MainPicture";