/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2014 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
*/
/** @file src/asset.cc
- * @brief Parent class for assets of DCPs.
+ * @brief Asset class.
*/
-#include <iostream>
-#include <fstream>
-#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 "raw_convert.h"
#include "asset.h"
#include "util.h"
-#include "metadata.h"
-
-using namespace std;
-using namespace boost;
-using namespace libdcp;
-
-Asset::Asset (string directory, string file_name, int edit_rate, int intrinsic_duration)
- : _directory (directory)
- , _file_name (file_name)
- , _uuid (make_uuid ())
- , _edit_rate (edit_rate)
- , _entry_point (0)
- , _intrinsic_duration (intrinsic_duration)
- , _duration (intrinsic_duration)
+#include "exceptions.h"
+#include "dcp_assert.h"
+#include "compose.hpp"
+#include <libxml++/libxml++.h>
+
+using std::string;
+using boost::function;
+using boost::optional;
+using namespace dcp;
+
+/** Create an Asset with a randomly-generated ID */
+Asset::Asset ()
{
- if (_file_name.empty ()) {
- _file_name = _uuid + ".xml";
- }
+
+}
+
+/** Create an Asset from a given file.
+ * @param file File name.
+ */
+Asset::Asset (boost::filesystem::path file)
+ : _file (file)
+{
+
}
void
-Asset::write_to_pkl (xmlpp::Node* node) const
+Asset::write_to_pkl (xmlpp::Node* node, Standard standard) const
{
+ DCP_ASSERT (!_file.empty ());
+
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);
- 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");
+ asset->add_child("Id")->add_child_text ("urn:uuid:" + _id);
+ asset->add_child("AnnotationText")->add_child_text (_id);
+ asset->add_child("Hash")->add_child_text (hash ());
+ asset->add_child("Size")->add_child_text (raw_convert<string> (boost::filesystem::file_size (_file)));
+ asset->add_child("Type")->add_child_text (pkl_type (standard));
}
void
-Asset::write_to_assetmap (xmlpp::Node* node) const
+Asset::write_to_assetmap (xmlpp::Node* node, boost::filesystem::path root) const
{
+ DCP_ASSERT (!_file.empty ());
+
xmlpp::Node* asset = node->add_child ("Asset");
- asset->add_child("Id")->add_child_text ("urn:uuid:" + _uuid);
+ asset->add_child("Id")->add_child_text ("urn:uuid:" + _id);
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);
+ optional<boost::filesystem::path> path = relative_to_root (root, _file);
+ if (!path) {
+ throw MiscError (String::compose ("Asset %1 is not within the directory %2", _file, root));
+ }
+ chunk->add_child("Path")->add_child_text (path.get().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
-Asset::path () const
-{
- filesystem::path p;
- p /= _directory;
- p /= _file_name;
- return p;
+ chunk->add_child("Length")->add_child_text (raw_convert<string> (boost::filesystem::file_size (_file)));
}
string
-Asset::digest () const
+Asset::hash (function<void (float)> progress) const
{
- if (_digest.empty ()) {
- _digest = make_digest (path().string());
+ DCP_ASSERT (!_file.empty ());
+
+ if (_hash.empty ()) {
+ _hash = make_digest (_file, progress);
}
- return _digest;
+ return _hash;
}
bool
-Asset::equals (shared_ptr<const Asset> other, EqualityOptions, boost::function<void (NoteType, string)> note) const
+Asset::equals (boost::shared_ptr<const Asset> other, EqualityOptions, NoteHandler note) const
{
- if (_edit_rate != other->_edit_rate) {
- note (ERROR, "MXF edit rates differ");
- return false;
- }
-
- if (_intrinsic_duration != other->_intrinsic_duration) {
- note (ERROR, "MXF intrinsic durations differ");
- return false;
- }
-
- if (_duration != other->_duration) {
- note (ERROR, "MXF durations differ");
+ if (_hash != other->_hash) {
+ note (DCP_ERROR, "Asset: hashes differ");
return false;
}
return true;
}
+
+void
+Asset::set_file (boost::filesystem::path file) const
+{
+ _file = boost::filesystem::absolute (file);
+ _hash.clear ();
+}
+