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 "pbd/statefuldestructible.h"
29 #include "ardour/ardour.h"
30 #include "ardour/session_object.h"
31 #include "ardour/data_type.h"
37 class Source : public SessionObject
45 RemovableIfEmpty = 0x10,
46 RemoveAtDestroy = 0x20,
51 Source (Session&, DataType type, const std::string& name, Flag flags=Flag(0));
52 Source (Session&, const XMLNode&);
56 DataType type() { return _type; }
58 time_t timestamp() const { return _timestamp; }
59 void stamp (time_t when) { _timestamp = when; }
61 virtual framecnt_t length (framepos_t pos) const = 0;
62 virtual void update_length (framepos_t pos, framecnt_t cnt) = 0;
64 virtual const Glib::ustring& path() const = 0;
66 virtual framepos_t natural_position() const { return 0; }
68 void mark_for_remove();
70 virtual void mark_streaming_write_started () {}
71 virtual void mark_streaming_write_completed () = 0;
73 virtual void session_saved() {}
75 XMLNode& get_state ();
76 int set_state (const XMLNode&, int version);
78 bool destructive() const { return (_flags & Destructive); }
79 bool writable () const { return (_flags & Writable); }
80 virtual bool set_destructive (bool /*yn*/) { return false; }
81 virtual bool length_mutable() const { return false; }
83 static PBD::Signal1<void,Source*> SourceCreated;
84 PBD::Signal1<void,boost::shared_ptr<Source> > Switched;
86 bool has_been_analysed() const;
87 virtual bool can_be_analysed() const { return false; }
88 virtual void set_been_analysed (bool yn);
89 virtual bool check_for_analysis_data_on_disk();
91 PBD::Signal0<void> AnalysisChanged;
93 AnalysisFeatureList transients;
94 std::string get_transients_path() const;
95 int load_transients (const std::string&);
97 sframes_t timeline_position() const { return _timeline_position; }
98 virtual void set_timeline_position (sframes_t pos);
100 void set_allow_remove_if_empty (bool yn);
102 Glib::Mutex& mutex() { return _lock; }
103 Flag flags() const { return _flags; }
109 sframes_t _timeline_position;
111 mutable Glib::Mutex _lock;
112 mutable Glib::Mutex _analysis_lock;
113 Glib::Mutex _playlist_lock;
116 void fix_writable_flags ();
121 #endif /* __ardour_source_h__ */