virtual void dec_use_count ();
int use_count() const { return g_atomic_int_get (&_use_count); }
bool used() const { return use_count() > 0; }
+ uint32_t level() const { return _level; }
protected:
DataType _type;
Flag _flags;
time_t _timestamp;
- framepos_t _timeline_position;
+ framepos_t _timeline_position;
bool _analysed;
mutable Glib::Mutex _lock;
mutable Glib::Mutex _analysis_lock;
Glib::Mutex _playlist_lock;
gint _use_count; /* atomic */
+ uint32_t _level; /* how deeply nested is this source w.r.t a disk file */
private:
void fix_writable_flags ();