2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef __ardour_source_h__
22 #define __ardour_source_h__
26 #include <sigc++/signal.h>
28 #include <pbd/stateful.h>
30 #include <ardour/ardour.h>
34 class Source : public Stateful, public sigc::trackable
37 Source (std::string name);
38 Source (const XMLNode&);
41 std::string name() const { return _name; }
42 int set_name (std::string str, bool destructive);
44 const PBD::ID& id() const { return _id; }
46 uint32_t use_cnt() const { return _use_cnt; }
50 virtual void mark_for_remove() = 0;
52 time_t timestamp() const { return _timestamp; }
53 void stamp (time_t when) { _timestamp = when; }
55 /** @return the number of items in this source */
56 jack_nframes_t length() const { return _length; }
58 virtual jack_nframes_t natural_position() const { return 0; }
60 XMLNode& get_state ();
61 int set_state (const XMLNode&);
63 sigc::signal<void,Source *> GoingAway;
66 void update_length (jack_nframes_t pos, jack_nframes_t cnt);
71 jack_nframes_t _length;
79 #endif /* __ardour_source_h__ */