/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ 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.
- This program is distributed in the hope that it will be useful,
+ 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 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/asset.cc
- * @brief Parent class for assets of DCPs.
+ * @brief Asset class
*/
-#include <iostream>
-#include <fstream>
-#include <boost/filesystem.hpp>
-#include <boost/function.hpp>
-#include "AS_DCP.h"
-#include "KM_util.h"
+
#include "asset.h"
+#include "asset_map.h"
+#include "compose.hpp"
+#include "dcp_assert.h"
+#include "exceptions.h"
+#include "pkl.h"
+#include "raw_convert.h"
#include "util.h"
-#include "metadata.h"
+#include "warnings.h"
+LIBDCP_DISABLE_WARNINGS
+#include <libxml++/libxml++.h>
+LIBDCP_ENABLE_WARNINGS
+#include <boost/algorithm/string.hpp>
-using namespace std;
-using namespace boost;
-using namespace libdcp;
-Asset::Asset (string directory, string file_name)
- : _directory (directory)
- , _file_name (file_name)
- , _uuid (make_uuid ())
+using std::string;
+using boost::function;
+using std::shared_ptr;
+using boost::optional;
+using namespace boost::filesystem;
+using namespace dcp;
+
+
+Asset::Asset ()
{
- if (_file_name.empty ()) {
- _file_name = _uuid + ".xml";
- }
+
+}
+
+
+Asset::Asset (path file)
+ : _file (file)
+{
+
+}
+
+
+Asset::Asset (string id, path file)
+ : Object (id)
+ , _file (file)
+{
+
}
+
void
-Asset::write_to_pkl (ostream& s) const
+Asset::add_to_pkl (shared_ptr<PKL> pkl, path root) const
{
- s << " <Asset>\n"
- << " <Id>urn:uuid:" << _uuid << "</Id>\n"
- << " <AnnotationText>" << _file_name << "</AnnotationText>\n"
- << " <Hash>" << digest() << "</Hash>\n"
- << " <Size>" << filesystem::file_size(path()) << "</Size>\n"
- << " <Type>application/mxf</Type>\n"
- << " </Asset>\n";
+ DCP_ASSERT (_file);
+
+ auto path = relative_to_root (
+ canonical(root),
+ canonical(_file.get())
+ );
+
+ if (!path) {
+ /* The path of this asset is not within our DCP, so we assume it's an external
+ (referenced) one.
+ */
+ return;
+ }
+
+ pkl->add_asset(_id, _id, hash(), file_size(_file.get()), pkl_type(pkl->standard()), _file->filename().string());
}
+
void
-Asset::write_to_assetmap (ostream& s) const
+Asset::add_to_assetmap (AssetMap& asset_map, path root) const
{
- s << " <Asset>\n"
- << " <Id>urn:uuid:" << _uuid << "</Id>\n"
- << " <ChunkList>\n"
- << " <Chunk>\n"
- << " <Path>" << _file_name << "</Path>\n"
- << " <VolumeIndex>1</VolumeIndex>\n"
- << " <Offset>0</Offset>\n"
- << " <Length>" << filesystem::file_size(path()) << "</Length>\n"
- << " </Chunk>\n"
- << " </ChunkList>\n"
- << " </Asset>\n";
+ DCP_ASSERT (_file);
+ add_file_to_assetmap (asset_map, root, _file.get(), _id);
}
-filesystem::path
-Asset::path () const
+
+void
+Asset::add_file_to_assetmap (AssetMap& asset_map, path root, path file, string id)
{
- filesystem::path p;
- p /= _directory;
- p /= _file_name;
- return p;
+ auto path = relative_to_root (
+ canonical(root),
+ canonical(file)
+ );
+
+ if (!path) {
+ /* The path of this asset is not within our DCP, so we assume it's an external
+ (referenced) one.
+ */
+ return;
+ }
+
+ asset_map.add_asset(id, file, false);
}
+
string
-Asset::digest () const
+Asset::hash (function<void (float)> progress) const
{
- if (_digest.empty ()) {
- _digest = make_digest (path().string());
+ DCP_ASSERT (_file);
+
+ if (!_hash) {
+ _hash = make_digest (_file.get(), progress);
}
- return _digest;
+ return _hash.get();
}
+
+
+bool
+Asset::equals(std::shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
+{
+ if (_hash != other->_hash) {
+ if (!opt.asset_hashes_can_differ) {
+ note(NoteType::ERROR, "Asset: hashes differ");
+ return false;
+ } else {
+ note(NoteType::NOTE, "Asset: hashes differ");
+ }
+ }
+
+ return true;
+}
+
+
+void
+Asset::set_file (path file) const
+{
+ _file = absolute (file);
+ _hash = optional<string>();
+}
+
+
+void
+Asset::set_file_preserving_hash(path file) const
+{
+ _file = absolute(file);
+}
+
+
+void
+Asset::rename_file(path file)
+{
+ _file = absolute(file);
+}
+
+
+void
+Asset::set_hash (string hash)
+{
+ _hash = hash;
+}
+
+
+void
+Asset::unset_hash()
+{
+ _hash = optional<string>();
+}
+
projects / libdcp.git / blobdiff