2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "mono_picture_asset.h"
21 #include "mono_picture_asset_writer.h"
23 #include "KM_fileio.h"
24 #include "exceptions.h"
25 #include "dcp_assert.h"
26 #include "mono_picture_frame.h"
27 #include "compose.hpp"
31 using boost::shared_ptr;
32 using boost::dynamic_pointer_cast;
35 MonoPictureAsset::MonoPictureAsset (boost::filesystem::path file)
38 ASDCP::JP2K::MXFReader reader;
39 Kumu::Result_t r = reader.OpenRead (file.string().c_str());
40 if (ASDCP_FAILURE (r)) {
41 boost::throw_exception (MXFFileError ("could not open MXF file for reading", file.string(), r));
44 ASDCP::JP2K::PictureDescriptor desc;
45 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
46 boost::throw_exception (DCPReadError ("could not read video MXF information"));
49 read_picture_descriptor (desc);
51 ASDCP::WriterInfo info;
52 if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
53 boost::throw_exception (DCPReadError ("could not read video MXF information"));
56 _id = read_writer_info (info);
59 MonoPictureAsset::MonoPictureAsset (Fraction edit_rate)
60 : PictureAsset (edit_rate)
65 shared_ptr<const MonoPictureFrame>
66 MonoPictureAsset::get_frame (int n) const
68 return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (_file, n, _decryption_context));
72 MonoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
74 if (!dynamic_pointer_cast<const MonoPictureAsset> (other)) {
78 ASDCP::JP2K::MXFReader reader_A;
79 Kumu::Result_t r = reader_A.OpenRead (_file.string().c_str());
80 if (ASDCP_FAILURE (r)) {
81 boost::throw_exception (MXFFileError ("could not open MXF file for reading", _file.string(), r));
84 ASDCP::JP2K::MXFReader reader_B;
85 r = reader_B.OpenRead (other->file().string().c_str());
86 if (ASDCP_FAILURE (r)) {
87 boost::throw_exception (MXFFileError ("could not open MXF file for reading", other->file().string(), r));
90 ASDCP::JP2K::PictureDescriptor desc_A;
91 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
92 boost::throw_exception (DCPReadError ("could not read video MXF information"));
94 ASDCP::JP2K::PictureDescriptor desc_B;
95 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
96 boost::throw_exception (DCPReadError ("could not read video MXF information"));
99 if (!descriptor_equals (desc_A, desc_B, note)) {
103 shared_ptr<const MonoPictureAsset> other_picture = dynamic_pointer_cast<const MonoPictureAsset> (other);
104 DCP_ASSERT (other_picture);
106 for (int i = 0; i < _intrinsic_duration; ++i) {
107 if (i >= other_picture->intrinsic_duration()) {
111 note (DCP_PROGRESS, String::compose ("Comparing video frame %1 of %2", i, _intrinsic_duration));
112 shared_ptr<const MonoPictureFrame> frame_A = get_frame (i);
113 shared_ptr<const MonoPictureFrame> frame_B = other_picture->get_frame (i);
115 if (!frame_buffer_equals (
117 frame_A->j2k_data(), frame_A->j2k_size(),
118 frame_B->j2k_data(), frame_B->j2k_size()
127 shared_ptr<PictureAssetWriter>
128 MonoPictureAsset::start_write (boost::filesystem::path file, Standard standard, bool overwrite)
130 /* XXX: can't we use shared_ptr here? */
131 return shared_ptr<MonoPictureAssetWriter> (new MonoPictureAssetWriter (this, file, standard, overwrite));
135 MonoPictureAsset::cpl_node_name () const
137 return "MainPicture";