X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fmxf.h;h=73ada433510b640041beba4afdf2556a5a2dfe96;hb=refs%2Fheads%2F1.0-templates;hp=3aaadfd78d0d09091969f92f28204b3532b226e3;hpb=59886567974bd3e79d30a4a9425d86d50bf425f3;p=libdcp.git

diff --git a/src/mxf.h b/src/mxf.h
index 3aaadfd7..73ada433 100644
--- a/src/mxf.h
+++ b/src/mxf.h
@@ -1,104 +1,118 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2014 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/>.
+
+    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.
 */
 
-#ifndef LIBDCP_MXF_ASSET_H
-#define LIBDCP_MXF_ASSET_H
+#ifndef LIBDCP_MXF_H
+#define LIBDCP_MXF_H
 
-#include "content.h"
+#include "asset.h"
 #include "key.h"
 #include "metadata.h"
+
 #include <boost/signals2.hpp>
 
 namespace ASDCP {
-	class AESEncContext;
 	class AESDecContext;
+	struct WriterInfo;
 }
 
+/* Undefine some stuff that the OS X 10.5 SDK defines */
+#undef Key
+#undef set_key
+
 namespace dcp
 {
 
-class MXFMetadata;	
+class MXFMetadata;
+class PictureAssetWriter;
 
 /** @class MXF
- *  @brief Parent class for classes which represent MXF files.
+ *  @brief Parent for classes which represent MXF files.
  */
-class MXF : public Content
+class MXF
 {
 public:
-	MXF (Fraction edit_rate);
-	MXF (boost::filesystem::path file);
-	
-	~MXF ();
-
-	virtual bool equals (boost::shared_ptr<const Content> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
-	virtual std::string key_type () const = 0;
-
-	std::string pkl_type () const {
-		return "application/x-smpte-mxf";
-	}
-	
-	/** Fill in a ADSCP::WriteInfo struct.
-	 *  @param w struct to fill in.
-	 *  @param standard INTEROP or SMPTE.
-	 */
-	void fill_writer_info (ASDCP::WriterInfo* w, Standard standard);
-
-	void set_progress (boost::signals2::signal<void (float)>* progress) {
-		_progress = progress;
-	}
+	virtual ~MXF () {}
 
+	/** @return true if the data is encrypted */
 	bool encrypted () const {
-		return !_key_id.empty ();
+		return static_cast<bool>(_key_id);
 	}
 
+	/** Set the ID of the key that is used for encryption/decryption.
+	 *  @param i key ID.
+	 */
 	void set_key_id (std::string i) {
 		_key_id = i;
 	}
 
-	std::string key_id () const {
+	/** @return the ID of the key used for encryption/decryption, if there is one */
+	boost::optional<std::string> key_id () const {
 		return _key_id;
 	}
-	
-	void set_key (Key);
 
+	virtual void set_key (Key);
+
+	/** @return encryption/decryption key, if one has been set */
 	boost::optional<Key> key () const {
 		return _key;
 	}
 
-	ASDCP::AESEncContext* encryption_context () const {
-		return _encryption_context;
-	}
-
+	/** Set the metadata that is written to the MXF file.
+	 *  @param m Metadata.
+	 */
 	void set_metadata (MXFMetadata m) {
 		_metadata = m;
 	}
 
+	/** @return metadata from the MXF file */
 	MXFMetadata metadata () const {
 		return _metadata;
 	}
 
 protected:
-	/** Signal to emit to report progress, or 0 */
-	boost::signals2::signal<void (float)>* _progress;
-	ASDCP::AESEncContext* _encryption_context;
-	ASDCP::AESDecContext* _decryption_context;
-	std::string _key_id;
+	template <class P, class Q>
+	friend void start (PictureAssetWriter* writer, boost::shared_ptr<P> state, Standard standard, Q* mxf, uint8_t* data, int size);
+
+	std::string read_writer_info (ASDCP::WriterInfo const &);
+	/** Fill in a ADSCP::WriteInfo struct.
+	 *  @param w struct to fill in.
+	 *  @param standard INTEROP or SMPTE.
+	 */
+	void fill_writer_info (ASDCP::WriterInfo* w, std::string id, Standard standard) const;
+
+	/** ID of the key used for encryption/decryption, if there is one */
+	boost::optional<std::string> _key_id;
+	/** Key used for encryption/decryption, if there is one */
 	boost::optional<Key> _key;
 	MXFMetadata _metadata;
 };