/*
- 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#ifndef __ardour_source_h__
#define __ardour_source_h__
#include <string>
+#include <set>
-#include <sigc++/signal.h>
-#include <boost/enable_shared_from_this.hpp>
+#include <glib.h>
-#include <pbd/statefuldestructible.h>
+#include <boost/utility.hpp>
+#include "pbd/statefuldestructible.h"
-#include <ardour/ardour.h>
+#include "ardour/ardour.h"
+#include "ardour/session_object.h"
+#include "ardour/data_type.h"
namespace ARDOUR {
-class Source : public PBD::StatefulDestructible, public sigc::trackable, public boost::enable_shared_from_this<Source>
+class Session;
+
+class Source : public SessionObject
{
public:
- Source (std::string name);
- Source (const XMLNode&);
- virtual ~Source ();
+ 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&);
- std::string name() const { return _name; }
- int set_name (std::string str, bool destructive);
+ virtual ~Source ();
- const PBD::ID& id() const { return _id; }
+ DataType type() { return _type; }
time_t timestamp() const { return _timestamp; }
void stamp (time_t when) { _timestamp = when; }
+ 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_streaming_write_started () {}
+ virtual void mark_streaming_write_completed () = 0;
+
+ virtual void session_saved() {}
+
XMLNode& get_state ();
- int set_state (const XMLNode&);
+ 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 void set_been_analysed (bool yn);
+ virtual bool check_for_analysis_data_on_disk();
+
+ 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:
- string _name;
- time_t _timestamp;
+ DataType _type;
+ Flag _flags;
+ time_t _timestamp;
+ sframes_t _timeline_position;
+ bool _analysed;
+ mutable Glib::Mutex _lock;
+ mutable Glib::Mutex _analysis_lock;
+ Glib::Mutex _playlist_lock;
+ gint _use_count; /* atomic */
private:
- PBD::ID _id;
+ void fix_writable_flags ();
};
}