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.
20 #ifndef __ardour_source_h__
21 #define __ardour_source_h__
26 #include <sigc++/signal.h>
28 #include <pbd/statefuldestructible.h>
30 #include <ardour/ardour.h>
31 #include <ardour/session_object.h>
32 #include <ardour/data_type.h>
33 #include <ardour/readable.h>
40 class Source : public SessionObject, public ARDOUR::Readable
43 Source (Session&, const std::string& name, DataType type);
44 Source (Session&, const XMLNode&);
48 DataType type() { return _type; }
50 time_t timestamp() const { return _timestamp; }
51 void stamp (time_t when) { _timestamp = when; }
53 nframes_t length() const { return _length; }
55 virtual Glib::ustring path() const = 0;
57 virtual nframes_t natural_position() const { return 0; }
59 virtual void mark_for_remove() = 0;
60 virtual void mark_streaming_write_started () {}
61 virtual void mark_streaming_write_completed () = 0;
63 virtual void session_saved() {}
65 XMLNode& get_state ();
66 int set_state (const XMLNode&);
68 virtual bool destructive() const { return false; }
69 virtual bool length_mutable() const { return false; }
71 void use () { _in_use++; }
72 void disuse () { if (_in_use) { _in_use--; } }
74 void add_playlist (boost::shared_ptr<ARDOUR::Playlist>);
75 void remove_playlist (boost::weak_ptr<ARDOUR::Playlist>);
77 uint32_t used() const;
79 static sigc::signal<void,Source*> SourceCreated;
80 sigc::signal<void,boost::shared_ptr<Source> > Switched;
82 bool has_been_analysed() const;
83 virtual bool can_be_analysed() const { return false; }
84 virtual void set_been_analysed (bool yn);
85 virtual bool check_for_analysis_data_on_disk();
87 sigc::signal<void> AnalysisChanged;
89 AnalysisFeatureList transients;
90 std::string get_transients_path() const;
91 int load_transients (const std::string&);
93 void update_length (nframes_t pos, nframes_t cnt);
100 mutable Glib::Mutex _analysis_lock;
101 Glib::Mutex _playlist_lock;
103 typedef std::map<boost::shared_ptr<ARDOUR::Playlist>, uint32_t > PlaylistMap;
104 PlaylistMap _playlists;
112 #endif /* __ardour_source_h__ */