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Diffstat (limited to 'src/content_asset.cc')
| -rw-r--r-- | src/content_asset.cc | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/content_asset.cc b/src/content_asset.cc new file mode 100644 index 00000000..56891007 --- /dev/null +++ b/src/content_asset.cc @@ -0,0 +1,119 @@ +/* + Copyright (C) 2012 Carl Hetherington <cth@carlh.net> + + This program 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, + 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. + +*/ + +#include <iostream> +#include <boost/filesystem.hpp> +#include <boost/lexical_cast.hpp> +#include <boost/function.hpp> +#include <libxml++/nodes/element.h> +#include "AS_DCP.h" +#include "KM_util.h" +#include "content_asset.h" +#include "util.h" +#include "metadata.h" + +using namespace std; +using namespace boost; +using namespace dcp; + +ContentAsset::ContentAsset (boost::filesystem::path directory, boost::filesystem::path file_name) + : _directory (directory) + , _file_name (file_name) + , _uuid (make_uuid ()) + , _edit_rate (0) + , _entry_point (0) + , _intrinsic_duration (0) + , _duration (0) +{ + if (_file_name.empty ()) { + _file_name = _uuid + ".xml"; + } +} + +void +ContentAsset::write_to_pkl (xmlpp::Node* node) const +{ + xmlpp::Node* asset = node->add_child ("Asset"); + asset->add_child("Id")->add_child_text ("urn:uuid:" + _uuid); + asset->add_child("AnnotationText")->add_child_text (_file_name.string ()); + asset->add_child("Hash")->add_child_text (digest ()); + asset->add_child("Size")->add_child_text (lexical_cast<string> (filesystem::file_size(path()))); + asset->add_child("Type")->add_child_text ("application/mxf"); +} + +void +ContentAsset::write_to_assetmap (xmlpp::Node* node) const +{ + xmlpp::Node* asset = node->add_child ("Asset"); + asset->add_child("Id")->add_child_text ("urn:uuid:" + _uuid); + xmlpp::Node* chunk_list = asset->add_child ("ChunkList"); + xmlpp::Node* chunk = chunk_list->add_child ("Chunk"); + chunk->add_child("Path")->add_child_text (_file_name.string ()); + chunk->add_child("VolumeIndex")->add_child_text ("1"); + chunk->add_child("Offset")->add_child_text ("0"); + chunk->add_child("Length")->add_child_text (lexical_cast<string> (filesystem::file_size(path()))); +} + +filesystem::path +ContentAsset::path () const +{ + filesystem::path p; + p /= _directory; + p /= _file_name; + return p; +} + +string +ContentAsset::digest () const +{ + if (_digest.empty ()) { + _digest = make_digest (path().string(), 0); + } + + return _digest; +} + +void +ContentAsset::compute_digest (boost::function<void (float)> progress) +{ + if (!_digest.empty ()) { + return; + } + + _digest = make_digest (path().string(), &progress); +} + +bool +ContentAsset::equals (shared_ptr<const ContentAsset> other, EqualityOptions, boost::function<void (NoteType, string)> note) const +{ + if (_edit_rate != other->_edit_rate) { + note (ERROR, "asset edit rates differ"); + return false; + } + + if (_intrinsic_duration != other->_intrinsic_duration) { + note (ERROR, "asset intrinsic durations differ"); + } + + if (_duration != other->_duration) { + note (ERROR, "asset durations differ"); + } + + return true; +} |