2 Copyright (C) 2012 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 /** @file src/asset.cc
21 * @brief Parent class for assets of DCPs.
26 #include <boost/filesystem.hpp>
27 #include <boost/lexical_cast.hpp>
28 #include <boost/function.hpp>
29 #include <libxml++/nodes/element.h>
37 using namespace boost;
38 using namespace libdcp;
40 Asset::Asset (string directory, string file_name, int edit_rate, int intrinsic_duration)
41 : _directory (directory)
42 , _file_name (file_name)
43 , _uuid (make_uuid ())
44 , _edit_rate (edit_rate)
46 , _intrinsic_duration (intrinsic_duration)
47 , _duration (intrinsic_duration)
49 if (_file_name.empty ()) {
50 _file_name = _uuid + ".xml";
55 Asset::write_to_pkl (xmlpp::Node* node) const
57 xmlpp::Node* asset = node->add_child ("Asset");
58 asset->add_child("Id")->add_child_text ("urn:uuid:" + _uuid);
59 asset->add_child("AnnotationText")->add_child_text (_file_name);
60 asset->add_child("Hash")->add_child_text (digest ());
61 asset->add_child("Size")->add_child_text (lexical_cast<string> (filesystem::file_size(path())));
62 asset->add_child("Type")->add_child_text ("application/mxf");
66 Asset::write_to_assetmap (xmlpp::Node* node) const
68 xmlpp::Node* asset = node->add_child ("Asset");
69 asset->add_child("Id")->add_child_text ("urn:uuid:" + _uuid);
70 xmlpp::Node* chunk_list = asset->add_child ("ChunkList");
71 xmlpp::Node* chunk = chunk_list->add_child ("Chunk");
72 chunk->add_child("Path")->add_child_text (_file_name);
73 chunk->add_child("VolumeIndex")->add_child_text ("1");
74 chunk->add_child("Offset")->add_child_text ("0");
75 chunk->add_child("Length")->add_child_text (lexical_cast<string> (filesystem::file_size(path())));
88 Asset::digest () const
90 if (_digest.empty ()) {
91 _digest = make_digest (path().string());
98 Asset::equals (shared_ptr<const Asset> other, EqualityOptions, boost::function<void (NoteType, string)> note) const
100 if (_edit_rate != other->_edit_rate) {
101 note (ERROR, "MXF edit rates differ");
105 if (_intrinsic_duration != other->_intrinsic_duration) {
106 note (ERROR, "MXF intrinsic durations differ");
110 if (_duration != other->_duration) {
111 note (ERROR, "MXF durations differ");