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 <boost/utility.hpp>
27 #include <sigc++/signal.h>
28 #include <pbd/statefuldestructible.h>
29 #include <evoral/TimeConverter.hpp>
31 #include <ardour/ardour.h>
32 #include <ardour/session_object.h>
33 #include <ardour/data_type.h>
34 #include <ardour/readable.h>
41 class Source : public SessionObject, public ARDOUR::Readable, public boost::noncopyable
49 RemovableIfEmpty = 0x10,
50 RemoveAtDestroy = 0x20,
55 Source (Session&, DataType type, const std::string& name, Flag flags=Flag(0));
56 Source (Session&, const XMLNode&);
60 DataType type() { return _type; }
62 time_t timestamp() const { return _timestamp; }
63 void stamp (time_t when) { _timestamp = when; }
65 nframes_t length() const { return _length; }
67 virtual const Glib::ustring& path() const = 0;
69 virtual nframes_t natural_position() const { return 0; }
71 void mark_for_remove();
73 virtual void mark_streaming_write_started () {}
74 virtual void mark_streaming_write_completed () = 0;
76 virtual void session_saved() {}
78 XMLNode& get_state ();
79 int set_state (const XMLNode&);
81 bool destructive() const { return (_flags & Destructive); }
82 bool writable () const { return _flags & Writable; }
83 virtual bool set_destructive (bool yn) { return false; }
84 virtual bool length_mutable() const { return false; }
86 void use () { _in_use++; }
87 void disuse () { if (_in_use) { _in_use--; } }
89 void add_playlist (boost::shared_ptr<ARDOUR::Playlist>);
90 void remove_playlist (boost::weak_ptr<ARDOUR::Playlist>);
92 uint32_t used() const;
94 static sigc::signal<void,Source*> SourceCreated;
95 sigc::signal<void,boost::shared_ptr<Source> > Switched;
97 bool has_been_analysed() const;
98 virtual bool can_be_analysed() const { return false; }
99 virtual void set_been_analysed (bool yn);
100 virtual bool check_for_analysis_data_on_disk();
102 sigc::signal<void> AnalysisChanged;
104 AnalysisFeatureList transients;
105 std::string get_transients_path() const;
106 int load_transients (const std::string&);
108 void update_length (nframes_t pos, nframes_t cnt);
110 int64_t timeline_position() const { return _timeline_position; }
111 virtual void set_timeline_position (int64_t pos);
113 void set_allow_remove_if_empty (bool yn);
115 virtual const Evoral::TimeConverter<double, nframes_t>& time_converter() const {
116 return Evoral::IdentityConverter<double, nframes_t>();
119 Flag flags() const { return _flags; }
126 int64_t _timeline_position;
128 mutable Glib::Mutex _lock;
129 mutable Glib::Mutex _analysis_lock;
130 Glib::Mutex _playlist_lock;
132 typedef std::map<boost::shared_ptr<ARDOUR::Playlist>, uint32_t > PlaylistMap;
133 PlaylistMap _playlists;
141 #endif /* __ardour_source_h__ */