Write BWF info on export. Fixes #3398.

git-svn-id: svn://localhost/ardour2/branches/3.0@7652 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 86 insertions, 0 deletions

diff --git a/libs/audiographer/audiographer/broadcast_info.h b/libs/audiographer/audiographer/broadcast_info.h
new file mode 100644
index 0000000000..c111156c82
--- /dev/null
+++ b/libs/audiographer/audiographer/broadcast_info.h
@@ -0,0 +1,86 @@
+/*
+    Copyright (C) 2008 Paul Davis
+    Author: Sakari Bergen
+
+    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.
+
+*/
+
+#ifndef AUDIOGRAPHER_BROADCAST_INFO_H
+#define AUDIOGRAPHER_BROADCAST_INFO_H
+
+#include <string>
+#include <ctime>
+
+#include <sndfile.h>
+
+namespace AudioGrapher
+{
+
+class SndfileHandle;	
+
+class BroadcastInfo
+{
+  public:
+
+	/// Construct empty broadcast info
+	BroadcastInfo ();
+	virtual ~BroadcastInfo ();
+
+	/// Returns last error sring from libsndfile
+	std::string get_error () const { return error; }
+
+	/* Reading */
+
+	bool load_from_file (std::string const & filename);
+	bool load_from_file (SNDFILE* sf);
+
+	std::string get_description () const;
+	int64_t get_time_reference () const;
+	struct tm get_origination_time () const;
+	std::string get_originator () const;
+	std::string get_originator_ref () const;
+
+	/* Writing */
+
+	bool write_to_file (std::string const & filename);
+	bool write_to_file (SNDFILE* sf);
+	bool write_to_file (SndfileHandle* sf);
+
+	void set_description (std::string const & desc);
+	void set_time_reference (int64_t when);
+	void set_origination_time (struct tm * now = 0); // if 0, use time generated at construction
+	virtual void set_originator (std::string const & str = "");
+	void set_originator_ref (std::string const & str = "");
+
+	/* State info */
+
+	/// Returns true if a info has been succesfully loaded or anything has been manually set
+	bool has_info () const { return _has_info; }
+
+protected:
+
+	SF_BROADCAST_INFO * info;
+	struct tm _time;
+
+	void update_error ();
+	std::string error;
+
+	bool _has_info;
+};
+
+} // namespace AudioGrapher
+
+#endif /* AUDIOGRAPHER_BROADCAST_INFO_H */