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>
34 using namespace boost;
35 using namespace libdcp;
37 Asset::Asset (string directory, string mxf_name, sigc::signal1<void, float>* progress, int fps, int length)
38 : _directory (directory)
39 , _mxf_name (mxf_name)
40 , _progress (progress)
43 , _uuid (make_uuid ())
49 Asset::write_to_pkl (ostream& s) const
52 << " <Id>urn:uuid:" << _uuid << "</Id>\n"
53 << " <AnnotationText>" << _mxf_name << "</AnnotationText>\n"
54 << " <Hash>" << digest() << "</Hash>\n"
55 << " <Size>" << filesystem::file_size(mxf_path()) << "</Size>\n"
56 << " <Type>application/mxf</Type>\n"
61 Asset::write_to_assetmap (ostream& s) const
64 << " <Id>urn:uuid:" << _uuid << "</Id>\n"
67 << " <Path>" << _mxf_name << "</Path>\n"
68 << " <VolumeIndex>1</VolumeIndex>\n"
69 << " <Offset>0</Offset>\n"
70 << " <Length>" << filesystem::file_size(mxf_path()) << "</Length>\n"
77 Asset::fill_writer_info (ASDCP::WriterInfo* writer_info) const
79 writer_info->ProductVersion = Metadata::instance()->product_version;
80 writer_info->CompanyName = Metadata::instance()->company_name;
81 writer_info->ProductName = Metadata::instance()->product_name.c_str();
83 writer_info->LabelSetType = ASDCP::LS_MXF_SMPTE;
85 Kumu::hex2bin (_uuid.c_str(), writer_info->AssetUUID, Kumu::UUID_Length, &c);
86 assert (c == Kumu::UUID_Length);
90 Asset::mxf_path () const
99 Asset::equals (shared_ptr<const Asset> other, EqualityFlags flags) const
103 if (flags & LIBDCP_METADATA) {
104 if (_mxf_name != other->_mxf_name) {
105 notes.push_back ("MXF names differ");
107 if (_fps != other->_fps) {
108 notes.push_back ("MXF frames per second differ");
110 if (_length != other->_length) {
111 notes.push_back ("MXF lengths differ");
115 if (flags & MXF_BITWISE) {
117 if (digest() != other->digest()) {
118 notes.push_back ("MXF digests differ");
121 if (filesystem::file_size (mxf_path()) != filesystem::file_size (other->mxf_path())) {
122 notes.push_back (mxf_path().string() + " and " + other->mxf_path().string() + " sizes differ");
126 ifstream a (mxf_path().c_str(), ios::binary);
127 ifstream b (other->mxf_path().c_str(), ios::binary);
129 int buffer_size = 65536;
130 char abuffer[buffer_size];
131 char bbuffer[buffer_size];
133 int n = filesystem::file_size (mxf_path ());
136 int const t = min (n, buffer_size);
140 if (memcmp (abuffer, bbuffer, t) != 0) {
141 notes.push_back (mxf_path().string() + " and " + other->mxf_path().string() + " content differs");
153 Asset::digest () const
155 if (_digest.empty ()) {
156 _digest = make_digest (mxf_path().string(), 0);