/*
- Copyright (C) 2000 Paul Davis
+ Copyright (C) 2000 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <string>
#include <set>
-#include <sigc++/signal.h>
+#include <glib.h>
-#include <pbd/statefuldestructible.h>
+#include <boost/utility.hpp>
+#include "pbd/statefuldestructible.h"
-#include <ardour/ardour.h>
-#include <ardour/session_object.h>
-#include <ardour/data_type.h>
-#include <ardour/readable.h>
+#include "ardour/ardour.h"
+#include "ardour/session_object.h"
+#include "ardour/data_type.h"
namespace ARDOUR {
class Session;
-class Playlist;
-class Source : public SessionObject, public ARDOUR::Readable
+class Source : public SessionObject
{
public:
- Source (Session&, const std::string& name, DataType type);
+ enum Flag {
+ Writable = 0x1,
+ CanRename = 0x2,
+ Broadcast = 0x4,
+ Removable = 0x8,
+ RemovableIfEmpty = 0x10,
+ RemoveAtDestroy = 0x20,
+ NoPeakFile = 0x40,
+ Destructive = 0x80
+ };
+
+ Source (Session&, DataType type, const std::string& name, Flag flags=Flag(0));
Source (Session&, const XMLNode&);
-
+
virtual ~Source ();
-
+
DataType type() { return _type; }
time_t timestamp() const { return _timestamp; }
void stamp (time_t when) { _timestamp = when; }
-
- /** @return the number of items in this source */
- nframes_t length() const { return _length; }
- virtual nframes_t natural_position() const { return 0; }
+ virtual bool empty () const = 0;
+ virtual framecnt_t length (framepos_t pos) const = 0;
+ virtual void update_length (framepos_t pos, framecnt_t cnt) = 0;
+
+ virtual const Glib::ustring& path() const = 0;
+
+ virtual framepos_t natural_position() const { return 0; }
+
+ void mark_for_remove();
- virtual void mark_for_remove() = 0;
virtual void mark_streaming_write_started () {}
virtual void mark_streaming_write_completed () = 0;
virtual void session_saved() {}
-
+
XMLNode& get_state ();
- int set_state (const XMLNode&);
-
- virtual bool destructive() const { return false; }
- virtual bool length_mutable() const { return false; }
-
- void use () { _in_use++; }
- void disuse () { if (_in_use) { _in_use--; } }
-
- void add_playlist (boost::shared_ptr<ARDOUR::Playlist>);
- void remove_playlist (boost::weak_ptr<ARDOUR::Playlist>);
-
- uint32_t used() const;
-
- static sigc::signal<void,Source*> SourceCreated;
- sigc::signal<void,boost::shared_ptr<Source> > Switched;
+ int set_state (const XMLNode&, int version);
+
+ bool destructive() const { return (_flags & Destructive); }
+ bool writable () const { return (_flags & Writable); }
+ virtual bool set_destructive (bool /*yn*/) { return false; }
+ virtual bool length_mutable() const { return false; }
+
+ static PBD::Signal1<void,Source*> SourceCreated;
+ PBD::Signal1<void,boost::shared_ptr<Source> > Switched;
bool has_been_analysed() const;
- virtual bool can_be_analysed() const { return false; }
+ virtual bool can_be_analysed() const { return false; }
virtual void set_been_analysed (bool yn);
virtual bool check_for_analysis_data_on_disk();
- sigc::signal<void> AnalysisChanged;
-
+ PBD::Signal0<void> AnalysisChanged;
+
AnalysisFeatureList transients;
std::string get_transients_path() const;
int load_transients (const std::string&);
+ sframes_t timeline_position() const { return _timeline_position; }
+ virtual void set_timeline_position (sframes_t pos);
+
+ void set_allow_remove_if_empty (bool yn);
+
+ Glib::Mutex& mutex() { return _lock; }
+ Flag flags() const { return _flags; }
+
+ virtual void inc_use_count ();
+ virtual void dec_use_count ();
+ int use_count() const { return g_atomic_int_get (&_use_count); }
+ bool used() const { return use_count() > 0; }
+
protected:
- void update_length (nframes_t pos, nframes_t cnt);
-
DataType _type;
+ Flag _flags;
time_t _timestamp;
- nframes_t _length;
+ sframes_t _timeline_position;
bool _analysed;
+ mutable Glib::Mutex _lock;
mutable Glib::Mutex _analysis_lock;
Glib::Mutex _playlist_lock;
-
- typedef std::map<boost::shared_ptr<ARDOUR::Playlist>, uint32_t > PlaylistMap;
- PlaylistMap _playlists;
+ gint _use_count; /* atomic */
private:
- uint32_t _in_use;
+ void fix_writable_flags ();
};
}