1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/*
Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
libdcp is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
libdcp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with libdcp. If not, see <http://www.gnu.org/licenses/>.
In addition, as a special exception, the copyright holders give
permission to link the code of portions of this program with the
OpenSSL library under certain conditions as described in each
individual source file, and distribute linked combinations
including the two.
You must obey the GNU General Public License in all respects
for all of the code used other than OpenSSL. If you modify
file(s) with this exception, you may extend this exception to your
version of the file(s), but you are not obligated to do so. If you
do not wish to do so, delete this exception statement from your
version. If you delete this exception statement from all source
files in the program, then also delete it here.
*/
/** @file src/mono_picture_asset.cc
* @brief MonoPictureAsset class
*/
#include "compose.hpp"
#include "dcp_assert.h"
#include "equality_options.h"
#include "exceptions.h"
#include "filesystem.h"
#include "mono_picture_asset.h"
#include "mono_picture_asset_reader.h"
#include "mono_picture_asset_writer.h"
#include "mono_picture_frame.h"
#include <asdcp/AS_DCP.h>
#include <asdcp/KM_fileio.h>
using std::dynamic_pointer_cast;
using std::list;
using std::make_shared;
using std::pair;
using std::shared_ptr;
using std::string;
using std::vector;
#if BOOST_VERSION >= 106100
using namespace boost::placeholders;
#endif
using namespace dcp;
MonoPictureAsset::MonoPictureAsset (boost::filesystem::path file)
: PictureAsset (file)
{
ASDCP::JP2K::MXFReader reader;
auto r = reader.OpenRead(dcp::filesystem::fix_long_path(file).string().c_str());
if (ASDCP_FAILURE(r)) {
boost::throw_exception (MXFFileError("could not open MXF file for reading", file.string(), r));
}
ASDCP::JP2K::PictureDescriptor desc;
if (ASDCP_FAILURE (reader.FillPictureDescriptor(desc))) {
boost::throw_exception (ReadError("could not read video MXF information"));
}
read_picture_descriptor (desc);
ASDCP::WriterInfo info;
if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
boost::throw_exception (ReadError("could not read video MXF information"));
}
_id = read_writer_info (info);
}
MonoPictureAsset::MonoPictureAsset (Fraction edit_rate, Standard standard)
: PictureAsset (edit_rate, standard)
{
}
static void
storing_note_handler (list<pair<NoteType, string>>& notes, NoteType t, string s)
{
notes.push_back (make_pair (t, s));
}
bool
MonoPictureAsset::equals(shared_ptr<const Asset> other, EqualityOptions const& opt, NoteHandler note) const
{
if (!dynamic_pointer_cast<const MonoPictureAsset>(other)) {
return false;
}
ASDCP::JP2K::MXFReader reader_A;
DCP_ASSERT (_file);
auto r = reader_A.OpenRead(dcp::filesystem::fix_long_path(*_file).string().c_str());
if (ASDCP_FAILURE(r)) {
boost::throw_exception (MXFFileError("could not open MXF file for reading", _file->string(), r));
}
ASDCP::JP2K::MXFReader reader_B;
DCP_ASSERT (other->file ());
r = reader_B.OpenRead(dcp::filesystem::fix_long_path(*other->file()).string().c_str());
if (ASDCP_FAILURE (r)) {
boost::throw_exception (MXFFileError ("could not open MXF file for reading", other->file()->string(), r));
}
ASDCP::JP2K::PictureDescriptor desc_A;
if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
boost::throw_exception (ReadError ("could not read video MXF information"));
}
ASDCP::JP2K::PictureDescriptor desc_B;
if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
boost::throw_exception (ReadError ("could not read video MXF information"));
}
if (!descriptor_equals (desc_A, desc_B, note)) {
return false;
}
auto other_picture = dynamic_pointer_cast<const MonoPictureAsset> (other);
DCP_ASSERT (other_picture);
bool result = true;
auto reader = start_read ();
auto other_reader = other_picture->start_read ();
#ifdef LIBDCP_OPENMP
#pragma omp parallel for
#endif
for (int i = 0; i < _intrinsic_duration; ++i) {
if (i >= other_picture->intrinsic_duration()) {
result = false;
}
if (result || opt.keep_going) {
auto frame_A = reader->get_frame (i);
auto frame_B = other_reader->get_frame (i);
list<pair<NoteType, string>> notes;
if (!frame_buffer_equals (
i, opt, bind (&storing_note_handler, boost::ref(notes), _1, _2),
frame_A->data(), frame_A->size(),
frame_B->data(), frame_B->size()
)) {
result = false;
}
#ifdef LIBDCP_OPENMP
#pragma omp critical
#endif
{
note (NoteType::PROGRESS, String::compose("Compared video frame %1 of %2", i, _intrinsic_duration));
for (auto const& i: notes) {
note (i.first, i.second);
}
}
}
}
return result;
}
shared_ptr<PictureAssetWriter>
MonoPictureAsset::start_write(boost::filesystem::path file, Behaviour behaviour)
{
/* Can't use make_shared here as the MonoPictureAssetWriter constructor is private */
return shared_ptr<MonoPictureAssetWriter>(new MonoPictureAssetWriter(this, file, behaviour == Behaviour::OVERWRITE_EXISTING));
}
shared_ptr<MonoPictureAssetReader>
MonoPictureAsset::start_read () const
{
/* Can't use make_shared here as the MonoPictureAssetReader constructor is private */
return shared_ptr<MonoPictureAssetReader>(new MonoPictureAssetReader(this, key(), standard()));
}
string
MonoPictureAsset::cpl_node_name () const
{
return "MainPicture";
}
|
