X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fasset.h;h=c0f4700f9c950676b5c6abe228ad9ffd9a0ed527;hb=5591a50b918d2dc784a9e15688dfe24eb2b6dfcc;hp=6c0a9803adb9e47ead40255e0aefc380a0f20c3f;hpb=8d94e57248b7957d62350083a93aa479457f9385;p=libdcp.git

diff --git a/src/asset.h b/src/asset.h
index 6c0a9803..c0f4700f 100644
--- a/src/asset.h
+++ b/src/asset.h
@@ -1,101 +1,98 @@
 /*
-    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
+    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/>.
 */
 
 /** @file  src/asset.h
- *  @brief Parent class for assets of DCPs.
+ *  @brief Asset class.
  */
 
 #ifndef LIBDCP_ASSET_H
 #define LIBDCP_ASSET_H
 
-#include <string>
-#include <sigc++/sigc++.h>
+#include "object.h"
 #include "types.h"
+#include <boost/filesystem.hpp>
+#include <boost/function.hpp>
+#include <boost/bind.hpp>
+#include <boost/optional.hpp>
 
-namespace ASDCP {
-	class WriterInfo;
+namespace xmlpp {
+	class Node;
 }
 
-namespace libdcp
-{
+struct asset_test;
 
-/** @brief Parent class for assets of DCPs
+namespace dcp {
+
+/** @class Asset
+ *  @brief Parent class for DCP assets, i.e. picture, sound, subtitles, CPLs, fonts.
  *
- *  These are collections of pictures or sound.
+ *  Note that this class is not used for ReelAssets; those are just for the metadata
+ *  that gets put into &lt;Reel&gt;s.
  */
-class Asset
+class Asset : public Object
 {
 public:
-	/** Construct an Asset.
-	 *  @param directory Directory where MXF file is.
-	 *  @param mxf_name Name of MXF file.
-	 *  @param progress Signal to inform of progress.
-	 *  @param fps Frames per second.
-	 *  @param length Length in frames.
+	Asset ();
+	explicit Asset (boost::filesystem::path file);
+	Asset (std::string id, boost::filesystem::path file);
+
+	virtual bool equals (
+		boost::shared_ptr<const Asset> other,
+		EqualityOptions opt,
+		NoteHandler note
+		) const;
+
+	/** Write details of the asset to a ASSETMAP.
+	 *  @param node Parent node.
 	 */
-	Asset (std::string directory, std::string mxf_path, sigc::signal1<void, float>* progress, int fps, int length);
+	void write_to_assetmap (xmlpp::Node* node, boost::filesystem::path root) const;
 
-	/** Write details of the asset to a CPL stream.
-	 *  @param s Stream.
+	/** Write details of the asset to a PKL AssetList node.
+	 *  @param node Parent node.
+	 *  @param standard Standard to use.
 	 */
-	virtual void write_to_cpl (std::ostream& s) const = 0;
+	void write_to_pkl (xmlpp::Node* node, boost::filesystem::path root, Standard standard) const;
 
-	/** Write details of the asset to a PKL stream.
-	 *  @param s Stream.
-	 */
-	void write_to_pkl (std::ostream& s) const;
+	/** @return the most recent disk file used to read or write this asset; may be empty */
+	boost::filesystem::path file () const {
+		return _file;
+	}
 
-	/** Write details of the asset to a ASSETMAP stream.
-	 *  @param s Stream.
-	 */
-	void write_to_assetmap (std::ostream& s) const;
+	void set_file (boost::filesystem::path file) const;
 
-	virtual std::list<std::string> equals (boost::shared_ptr<const Asset> other, EqualityOptions opt) const;
+	/** @return the hash of this asset's file */
+	std::string hash (boost::function<void (float)> progress = 0) const;
+
+	void set_hash (std::string hash);
 
 protected:
-	friend class PictureAsset;
-	friend class SoundAsset;
-	
-	/** Fill in a ADSCP::WriteInfo struct.
-	 *  @param w struct to fill in.
-	 */
-	void fill_writer_info (ASDCP::WriterInfo* w) const;
-
-	boost::filesystem::path mxf_path () const;
-	std::string digest () const;
-
-	/** Directory that our MXF file is in */
-	std::string _directory;
-	/** Name of our MXF file */
-	std::string _mxf_name;
-	/** Signal to emit to report progress */
-	sigc::signal1<void, float>* _progress;
-	/** Frames per second */
-	int _fps;
-	/** Length in frames */
-	int _length;
-	/** Our UUID */
-	std::string _uuid;
-
-private:	
-	/** Digest of our MXF */
-	mutable std::string _digest;
+
+	/** The most recent disk file used to read or write this asset; may be empty */
+	mutable boost::filesystem::path _file;
+
+private:
+	friend struct ::asset_test;
+
+	virtual std::string pkl_type (Standard standard) const = 0;
+
+	/** Hash of _file if it has been computed */
+	mutable boost::optional<std::string> _hash;
 };
 
 }