2 Copyright (C) 2012-2013 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 "mono_picture_frame.h"
29 using boost::shared_ptr;
30 using boost::dynamic_pointer_cast;
31 using boost::lexical_cast;
34 MonoPictureMXF::MonoPictureMXF (boost::filesystem::path file)
37 ASDCP::JP2K::MXFReader reader;
38 Kumu::Result_t r = reader.OpenRead (file.string().c_str());
39 if (ASDCP_FAILURE (r)) {
40 boost::throw_exception (MXFFileError ("could not open MXF file for reading", file.string(), r));
43 ASDCP::JP2K::PictureDescriptor desc;
44 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
45 boost::throw_exception (DCPReadError ("could not read video MXF information"));
48 read_picture_descriptor (desc);
51 MonoPictureMXF::MonoPictureMXF (Fraction edit_rate)
52 : PictureMXF (edit_rate)
57 shared_ptr<const MonoPictureFrame>
58 MonoPictureMXF::get_frame (int n) const
60 return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (_file, n, _decryption_context));
64 MonoPictureMXF::equals (shared_ptr<const Content> other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
66 if (!MXF::equals (other, opt, note)) {
70 ASDCP::JP2K::MXFReader reader_A;
71 Kumu::Result_t r = reader_A.OpenRead (_file.string().c_str());
72 if (ASDCP_FAILURE (r)) {
73 boost::throw_exception (MXFFileError ("could not open MXF file for reading", _file.string(), r));
76 ASDCP::JP2K::MXFReader reader_B;
77 r = reader_B.OpenRead (other->file().string().c_str());
78 if (ASDCP_FAILURE (r)) {
79 boost::throw_exception (MXFFileError ("could not open MXF file for reading", other->file().string(), r));
82 ASDCP::JP2K::PictureDescriptor desc_A;
83 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
84 boost::throw_exception (DCPReadError ("could not read video MXF information"));
86 ASDCP::JP2K::PictureDescriptor desc_B;
87 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
88 boost::throw_exception (DCPReadError ("could not read video MXF information"));
91 if (!descriptor_equals (desc_A, desc_B, note)) {
95 shared_ptr<const MonoPictureMXF> other_picture = dynamic_pointer_cast<const MonoPictureMXF> (other);
96 assert (other_picture);
98 for (int i = 0; i < _intrinsic_duration; ++i) {
99 if (i >= other_picture->intrinsic_duration()) {
103 note (PROGRESS, "Comparing video frame " + lexical_cast<string> (i) + " of " + lexical_cast<string> (_intrinsic_duration));
104 shared_ptr<const MonoPictureFrame> frame_A = get_frame (i);
105 shared_ptr<const MonoPictureFrame> frame_B = other_picture->get_frame (i);
107 if (!frame_buffer_equals (
109 frame_A->j2k_data(), frame_A->j2k_size(),
110 frame_B->j2k_data(), frame_B->j2k_size()
119 shared_ptr<PictureMXFWriter>
120 MonoPictureMXF::start_write (boost::filesystem::path file, Standard standard, bool overwrite)
122 /* XXX: can't we use shared_ptr here? */
123 return shared_ptr<MonoPictureMXFWriter> (new MonoPictureMXFWriter (this, file, standard, overwrite));
127 MonoPictureMXF::cpl_node_name () const
129 return "MainPicture";
133 MonoPictureMXF::edit_rate_factor () const