rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 112 insertions, 0 deletions

diff --git a/libs/ardour/ardour/source.h b/libs/ardour/ardour/source.h
new file mode 100644
index 0000000000..a2ee96bf63
--- /dev/null
+++ b/libs/ardour/ardour/source.h
@@ -0,0 +1,112 @@
+/*
+    Copyright (C) 2000 Paul Davis 
+
+    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 __ardour_source_h__
+#define __ardour_source_h__
+
+#include <string>
+#include <set>
+
+#include <sigc++/signal.h>
+
+#include <pbd/statefuldestructible.h> 
+
+#include <ardour/ardour.h>
+#include <ardour/session_object.h>
+#include <ardour/data_type.h>
+#include <ardour/readable.h>
+
+namespace ARDOUR {
+
+class Session;
+class Playlist;
+
+class Source : public SessionObject, public ARDOUR::Readable
+{
+  public:
+	Source (Session&, const std::string& name, DataType type);
+	Source (Session&, const XMLNode&);
+	
+	virtual ~Source ();
+	
+	DataType type() { return _type; }
+
+	time_t timestamp() const { return _timestamp; }
+	void stamp (time_t when) { _timestamp = when; }
+	
+	nframes_t length() const { return _length; }
+	
+	virtual Glib::ustring path() const = 0;
+
+	virtual nframes_t natural_position() const { return 0; }
+
+	virtual void mark_for_remove() = 0;
+	virtual void mark_streaming_write_started () {}
+	virtual void mark_streaming_write_completed () = 0;
+
+	virtual void session_saved() {}
+	
+	XMLNode& get_state ();
+	int set_state (const XMLNode&);
+	
+	virtual bool destructive()    const { return false; }
+	virtual bool length_mutable() const { return false; }
+	
+	void use () { _in_use++; }
+	void disuse () { if (_in_use) { _in_use--; } }
+	
+	void add_playlist (boost::shared_ptr<ARDOUR::Playlist>);
+	void remove_playlist (boost::weak_ptr<ARDOUR::Playlist>);
+
+	uint32_t used() const;
+
+	static sigc::signal<void,Source*>             SourceCreated;
+	sigc::signal<void,boost::shared_ptr<Source> > Switched;
+
+	bool has_been_analysed() const;
+	virtual bool can_be_analysed() const { return false; } 
+	virtual void set_been_analysed (bool yn);
+	virtual bool check_for_analysis_data_on_disk();
+
+	sigc::signal<void> AnalysisChanged;
+	
+	AnalysisFeatureList transients;
+	std::string get_transients_path() const;
+	int load_transients (const std::string&);
+	
+	void update_length (nframes_t pos, nframes_t cnt);
+
+  protected:
+	DataType            _type;
+	time_t              _timestamp;
+	nframes_t           _length;
+	bool                _analysed;
+	mutable Glib::Mutex _analysis_lock;
+	Glib::Mutex         _playlist_lock;
+	
+	typedef std::map<boost::shared_ptr<ARDOUR::Playlist>, uint32_t > PlaylistMap;
+	PlaylistMap _playlists;
+
+  private:
+	uint32_t _in_use;
+};
+
+}
+
+#endif /* __ardour_source_h__ */