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_mxf.h"
21 #include "mono_picture_mxf_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"
32 using boost::shared_ptr;
33 using boost::dynamic_pointer_cast;
36 MonoPictureMXF::MonoPictureMXF (boost::filesystem::path file)
39 ASDCP::JP2K::MXFReader reader;
40 Kumu::Result_t r = reader.OpenRead (file.string().c_str());
41 if (ASDCP_FAILURE (r)) {
42 boost::throw_exception (MXFFileError ("could not open MXF file for reading", file.string(), r));
45 ASDCP::JP2K::PictureDescriptor desc;
46 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
47 boost::throw_exception (DCPReadError ("could not read video MXF information"));
50 read_picture_descriptor (desc);
52 ASDCP::WriterInfo info;
53 if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
54 boost::throw_exception (DCPReadError ("could not read video MXF information"));
57 read_writer_info (info);
60 MonoPictureMXF::MonoPictureMXF (Fraction edit_rate)
61 : PictureMXF (edit_rate)
66 shared_ptr<const MonoPictureFrame>
67 MonoPictureMXF::get_frame (int n) const
69 return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (_file, n, _decryption_context));
73 MonoPictureMXF::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
75 if (!dynamic_pointer_cast<const MonoPictureMXF> (other)) {
79 if (!MXF::equals (other, opt, note)) {
83 ASDCP::JP2K::MXFReader reader_A;
84 Kumu::Result_t r = reader_A.OpenRead (_file.string().c_str());
85 if (ASDCP_FAILURE (r)) {
86 boost::throw_exception (MXFFileError ("could not open MXF file for reading", _file.string(), r));
89 ASDCP::JP2K::MXFReader reader_B;
90 r = reader_B.OpenRead (other->file().string().c_str());
91 if (ASDCP_FAILURE (r)) {
92 boost::throw_exception (MXFFileError ("could not open MXF file for reading", other->file().string(), r));
95 ASDCP::JP2K::PictureDescriptor desc_A;
96 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
97 boost::throw_exception (DCPReadError ("could not read video MXF information"));
99 ASDCP::JP2K::PictureDescriptor desc_B;
100 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
101 boost::throw_exception (DCPReadError ("could not read video MXF information"));
104 if (!descriptor_equals (desc_A, desc_B, note)) {
108 shared_ptr<const MonoPictureMXF> other_picture = dynamic_pointer_cast<const MonoPictureMXF> (other);
109 DCP_ASSERT (other_picture);
111 for (int i = 0; i < _intrinsic_duration; ++i) {
112 if (i >= other_picture->intrinsic_duration()) {
116 note (DCP_PROGRESS, String::compose ("Comparing video frame %1 of %2", i, _intrinsic_duration));
117 shared_ptr<const MonoPictureFrame> frame_A = get_frame (i);
118 shared_ptr<const MonoPictureFrame> frame_B = other_picture->get_frame (i);
120 if (!frame_buffer_equals (
122 frame_A->j2k_data(), frame_A->j2k_size(),
123 frame_B->j2k_data(), frame_B->j2k_size()
132 shared_ptr<PictureMXFWriter>
133 MonoPictureMXF::start_write (boost::filesystem::path file, Standard standard, bool overwrite)
135 /* XXX: can't we use shared_ptr here? */
136 return shared_ptr<MonoPictureMXFWriter> (new MonoPictureMXFWriter (this, file, standard, overwrite));
140 MonoPictureMXF::cpl_node_name () const
142 return "MainPicture";