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__
27 #include <sigc++/signal.h>
29 #include <pbd/statefuldestructible.h>
31 #include <ardour/ardour.h>
32 #include <ardour/data_type.h>
39 class Source : public PBD::StatefulDestructible
42 Source (Session&, std::string name, DataType type);
43 Source (Session&, const XMLNode&);
47 std::string name() const { return _name; }
48 int set_name (std::string str, bool destructive);
50 DataType type() { return _type; }
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 virtual void mark_for_remove() = 0;
61 virtual void mark_streaming_write_completed () = 0;
63 XMLNode& get_state ();
64 int set_state (const XMLNode&);
66 void use () { _in_use++; }
67 void disuse () { if (_in_use) { _in_use--; } }
69 void add_playlist (ARDOUR::Playlist*);
70 void remove_playlist (ARDOUR::Playlist*);
72 uint32_t used() const;
75 static sigc::signal<void,Source*> SourceCreated;
78 void update_length (jack_nframes_t pos, jack_nframes_t cnt);
84 jack_nframes_t _length;
86 std::set<ARDOUR::Playlist*> _playlists;
94 #endif /* __ardour_source_h__ */