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.
21 #include "stereo_picture_asset.h"
22 #include "stereo_picture_frame.h"
23 #include "exceptions.h"
24 #include "stereo_picture_asset_writer.h"
25 #include "dcp_assert.h"
30 using boost::shared_ptr;
31 using boost::dynamic_pointer_cast;
34 StereoPictureAsset::StereoPictureAsset (boost::filesystem::path file)
37 ASDCP::JP2K::MXFSReader 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);
50 ASDCP::WriterInfo info;
51 if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
52 boost::throw_exception (DCPReadError ("could not read video MXF information"));
55 _id = read_writer_info (info);
58 StereoPictureAsset::StereoPictureAsset (Fraction edit_rate)
65 shared_ptr<const StereoPictureFrame>
66 StereoPictureAsset::get_frame (int n) const
68 return shared_ptr<const StereoPictureFrame> (new StereoPictureFrame (file().string(), n));
71 shared_ptr<PictureAssetWriter>
72 StereoPictureAsset::start_write (boost::filesystem::path file, Standard standard, bool overwrite)
74 return shared_ptr<StereoPictureAssetWriter> (new StereoPictureAssetWriter (this, file, standard, overwrite));
78 StereoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
80 ASDCP::JP2K::MXFSReader reader_A;
81 Kumu::Result_t r = reader_A.OpenRead (file().string().c_str());
82 if (ASDCP_FAILURE (r)) {
83 boost::throw_exception (MXFFileError ("could not open MXF file for reading", file().string(), r));
86 ASDCP::JP2K::MXFSReader reader_B;
87 r = reader_B.OpenRead (other->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::PictureDescriptor desc_A;
93 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
94 boost::throw_exception (DCPReadError ("could not read video MXF information"));
96 ASDCP::JP2K::PictureDescriptor desc_B;
97 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
98 boost::throw_exception (DCPReadError ("could not read video MXF information"));
101 if (!descriptor_equals (desc_A, desc_B, note)) {
105 shared_ptr<const StereoPictureAsset> other_picture = dynamic_pointer_cast<const StereoPictureAsset> (other);
106 DCP_ASSERT (other_picture);
108 for (int i = 0; i < _intrinsic_duration; ++i) {
109 shared_ptr<const StereoPictureFrame> frame_A;
110 shared_ptr<const StereoPictureFrame> frame_B;
112 frame_A = get_frame (i);
113 frame_B = other_picture->get_frame (i);
114 } catch (DCPReadError& e) {
115 /* If there was a problem reading the frame data we'll just assume
116 the two frames are not equal.
118 note (DCP_ERROR, e.what ());
122 if (!frame_buffer_equals (
124 frame_A->left_j2k_data(), frame_A->left_j2k_size(),
125 frame_B->left_j2k_data(), frame_B->left_j2k_size()
130 if (!frame_buffer_equals (
132 frame_A->right_j2k_data(), frame_A->right_j2k_size(),
133 frame_B->right_j2k_data(), frame_B->right_j2k_size()