/*
- 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 <glibmm/threads.h>
+
#include <boost/utility.hpp>
-#include <sigc++/signal.h>
-#include "pbd/statefuldestructible.h"
+#include "pbd/statefuldestructible.h"
#include "ardour/ardour.h"
#include "ardour/session_object.h"
#include "ardour/data_type.h"
-#include "ardour/readable.h"
namespace ARDOUR {
class Session;
-class Playlist;
-class Source : public SessionObject, public boost::noncopyable
+class LIBARDOUR_API Source : public SessionObject
{
public:
enum Flag {
RemovableIfEmpty = 0x10,
RemoveAtDestroy = 0x20,
NoPeakFile = 0x40,
- Destructive = 0x80
+ Destructive = 0x80,
+ Empty = 0x100, /* used for MIDI only */
+ RF64_RIFF = 0x200,
};
+ typedef Glib::Threads::Mutex::Lock Lock;
+
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; }
-
- virtual sframes_t length (sframes_t pos) const = 0;
- virtual void update_length (sframes_t pos, sframes_t cnt) = 0;
-
- virtual const Glib::ustring& path() const = 0;
- virtual sframes_t natural_position() const { return 0; }
+ virtual bool empty () const = 0;
+ virtual samplecnt_t length (samplepos_t pos) const = 0;
+ virtual void update_length (samplecnt_t cnt) = 0;
+
+ virtual samplepos_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 mark_streaming_write_started (const Lock& lock) {}
+ virtual void mark_streaming_write_completed (const Lock& lock) = 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; }
-
- 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>);
+ bool writable () const;
- uint32_t used() const;
+ virtual bool length_mutable() const { return false; }
- static sigc::signal<void,Source*> SourceCreated;
- sigc::signal<void,boost::shared_ptr<Source> > Switched;
+ static PBD::Signal1<void,Source*> SourceCreated;
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);
-
+
+ samplepos_t timeline_position() const { return _timeline_position; }
+ virtual void set_timeline_position (samplepos_t pos);
+
void set_allow_remove_if_empty (bool yn);
-
- Glib::Mutex& mutex() { return _lock; }
+
+ Glib::Threads::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 (const_cast<gint*>(&_use_count)); }
+ bool used() const { return use_count() > 0; }
+ uint32_t level() const { return _level; }
+
+ std::string ancestor_name() { return _ancestor_name.empty() ? name() : _ancestor_name; }
+ void set_ancestor_name(const std::string& name) { _ancestor_name = name; }
+
protected:
DataType _type;
Flag _flags;
time_t _timestamp;
- sframes_t _timeline_position;
+ samplepos_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;
+ mutable Glib::Threads::Mutex _lock;
+ mutable Glib::Threads::Mutex _analysis_lock;
+ gint _use_count; /* atomic */
+ uint32_t _level; /* how deeply nested is this source w.r.t a disk file */
+ std::string _ancestor_name;
private:
- uint32_t _in_use;
+ void fix_writable_flags ();
};
}