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"
33 using boost::shared_ptr;
34 using boost::dynamic_pointer_cast;
37 MonoPictureAsset::MonoPictureAsset (boost::filesystem::path file)
40 ASDCP::JP2K::MXFReader reader;
41 Kumu::Result_t r = reader.OpenRead (file.string().c_str());
42 if (ASDCP_FAILURE (r)) {
43 boost::throw_exception (MXFFileError ("could not open MXF file for reading", file.string(), r));
46 ASDCP::JP2K::PictureDescriptor desc;
47 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
48 boost::throw_exception (DCPReadError ("could not read video MXF information"));
51 read_picture_descriptor (desc);
53 ASDCP::WriterInfo info;
54 if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
55 boost::throw_exception (DCPReadError ("could not read video MXF information"));
58 _id = read_writer_info (info);
61 MonoPictureAsset::MonoPictureAsset (Fraction edit_rate)
62 : PictureAsset (edit_rate)
67 shared_ptr<const MonoPictureFrame>
68 MonoPictureAsset::get_frame (int n) const
70 return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (_file, n, _decryption_context));
74 storing_note_handler (list<pair<NoteType, string> >& notes, NoteType t, string s)
76 notes.push_back (make_pair (t, s));
80 MonoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
82 if (!dynamic_pointer_cast<const MonoPictureAsset> (other)) {
86 ASDCP::JP2K::MXFReader reader_A;
87 Kumu::Result_t r = reader_A.OpenRead (_file.string().c_str());
88 if (ASDCP_FAILURE (r)) {
89 boost::throw_exception (MXFFileError ("could not open MXF file for reading", _file.string(), r));
92 ASDCP::JP2K::MXFReader reader_B;
93 r = reader_B.OpenRead (other->file().string().c_str());
94 if (ASDCP_FAILURE (r)) {
95 boost::throw_exception (MXFFileError ("could not open MXF file for reading", other->file().string(), r));
98 ASDCP::JP2K::PictureDescriptor desc_A;
99 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
100 boost::throw_exception (DCPReadError ("could not read video MXF information"));
102 ASDCP::JP2K::PictureDescriptor desc_B;
103 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
104 boost::throw_exception (DCPReadError ("could not read video MXF information"));
107 if (!descriptor_equals (desc_A, desc_B, note)) {
111 shared_ptr<const MonoPictureAsset> other_picture = dynamic_pointer_cast<const MonoPictureAsset> (other);
112 DCP_ASSERT (other_picture);
116 #pragma omp parallel for
117 for (int i = 0; i < _intrinsic_duration; ++i) {
118 if (i >= other_picture->intrinsic_duration()) {
122 if (result || opt.keep_going) {
125 note (DCP_PROGRESS, String::compose ("Comparing video frame %1 of %2", i, _intrinsic_duration));
127 shared_ptr<const MonoPictureFrame> frame_A = get_frame (i);
128 shared_ptr<const MonoPictureFrame> frame_B = other_picture->get_frame (i);
130 list<pair<NoteType, string> > notes;
132 if (!frame_buffer_equals (
133 i, opt, bind (&storing_note_handler, notes, _1, _2),
134 frame_A->j2k_data(), frame_A->j2k_size(),
135 frame_B->j2k_data(), frame_B->j2k_size()
141 for (list<pair<NoteType, string> >::const_iterator i = notes.begin(); i != notes.end(); ++i) {
142 note (i->first, i->second);
150 shared_ptr<PictureAssetWriter>
151 MonoPictureAsset::start_write (boost::filesystem::path file, Standard standard, bool overwrite)
153 /* XXX: can't we use shared_ptr here? */
154 return shared_ptr<MonoPictureAssetWriter> (new MonoPictureAssetWriter (this, file, standard, overwrite));
158 MonoPictureAsset::cpl_node_name () const
160 return "MainPicture";