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"
32 #include "ardour/readable.h"
38 class Source : public SessionObject
46 RemovableIfEmpty = 0x10,
47 RemoveAtDestroy = 0x20,
52 Source (Session&, DataType type, const std::string& name, Flag flags=Flag(0));
53 Source (Session&, const XMLNode&);
57 DataType type() { return _type; }
59 time_t timestamp() const { return _timestamp; }
60 void stamp (time_t when) { _timestamp = when; }
62 virtual sframes_t length (sframes_t pos) const = 0;
63 virtual void update_length (sframes_t pos, sframes_t cnt) = 0;
65 virtual const Glib::ustring& path() const = 0;
67 virtual nframes64_t natural_position() const { return 0; }
69 void mark_for_remove();
71 virtual void mark_streaming_write_started () {}
72 virtual void mark_streaming_write_completed () = 0;
74 virtual void session_saved() {}
76 XMLNode& get_state ();
77 int set_state (const XMLNode&, int version);
79 bool destructive() const { return (_flags & Destructive); }
80 bool writable () const { return (_flags & Writable); }
81 virtual bool set_destructive (bool /*yn*/) { return false; }
82 virtual bool length_mutable() const { return false; }
84 static PBD::Signal1<void,Source*> SourceCreated;
85 PBD::Signal1<void,boost::shared_ptr<Source> > Switched;
87 bool has_been_analysed() const;
88 virtual bool can_be_analysed() const { return false; }
89 virtual void set_been_analysed (bool yn);
90 virtual bool check_for_analysis_data_on_disk();
92 PBD::Signal0<void> AnalysisChanged;
94 AnalysisFeatureList transients;
95 std::string get_transients_path() const;
96 int load_transients (const std::string&);
98 sframes_t timeline_position() const { return _timeline_position; }
99 virtual void set_timeline_position (sframes_t pos);
101 void set_allow_remove_if_empty (bool yn);
103 Glib::Mutex& mutex() { return _lock; }
104 Flag flags() const { return _flags; }
110 sframes_t _timeline_position;
112 mutable Glib::Mutex _lock;
113 mutable Glib::Mutex _analysis_lock;
114 Glib::Mutex _playlist_lock;
117 void fix_writable_flags ();
122 #endif /* __ardour_source_h__ */