#ifndef __ardour_region_h__
#define __ardour_region_h__
+#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+
#include <pbd/undo.h>
+#include <pbd/statefuldestructible.h>
#include <ardour/ardour.h>
-#include <ardour/logcurve.h>
-#include <ardour/state_manager.h>
class XMLNode;
namespace ARDOUR {
class Playlist;
-class Source;
enum RegionEditState {
EditChangesNothing = 0,
- EditChangesName = 1,
- EditChangesID = 2
-};
-
-struct RegionState : public StateManager::State {
-
- RegionState (std::string why) : StateManager::State (why) {}
-
- jack_nframes_t _start;
- jack_nframes_t _length;
- jack_nframes_t _position;
- uint32_t _flags;
- jack_nframes_t _sync_position;
- layer_t _layer;
- string _name;
- mutable RegionEditState _first_edit;
+ EditChangesName = 1,
+ EditChangesID = 2
};
-class Region : public Stateful, public StateManager
+class Region : public PBD::StatefulDestructible, public boost::enable_shared_from_this<Region>
{
public:
enum Flag {
static Change LayerChanged;
static Change HiddenChanged;
- Region (jack_nframes_t start, jack_nframes_t length,
- const string& name, layer_t = 0, Flag flags = DefaultFlags);
- Region (const Region&, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Flag flags = DefaultFlags);
- Region (const Region&);
- Region (const XMLNode&);
- ~Region();
+ sigc::signal<void,Change> StateChanged;
- const PBD::ID& id() const { return _id; }
+ virtual ~Region();
/* Note: changing the name of a Region does not constitute an edit */
string name() const { return _name; }
void set_name (string str);
- jack_nframes_t position () const { return _position; }
- jack_nframes_t start () const { return _start; }
- jack_nframes_t length() const { return _length; }
- layer_t layer () const { return _layer; }
- jack_nframes_t sync_offset(int& dir) const;
- jack_nframes_t sync_position() const;
+ nframes_t position () const { return _position; }
+ nframes_t start () const { return _start; }
+ nframes_t length() const { return _length; }
+ layer_t layer () const { return _layer; }
+
+ nframes_t sync_offset(int& dir) const;
+ nframes_t sync_position() const;
- jack_nframes_t adjust_to_sync (jack_nframes_t);
+ nframes_t adjust_to_sync (nframes_t);
/* first_frame() is an alias; last_frame() just hides some math */
- jack_nframes_t first_frame() const { return _position; }
- jack_nframes_t last_frame() const { return _position + _length - 1; }
+ nframes_t first_frame() const { return _position; }
+ nframes_t last_frame() const { return _position + _length - 1; }
- bool hidden() const { return _flags & Hidden; }
- bool muted() const { return _flags & Muted; }
- bool opaque () const { return _flags & Opaque; }
- bool envelope_active () const { return _flags & EnvelopeActive; }
- bool locked() const { return _flags & Locked; }
- bool automatic() const { return _flags & Automatic; }
+ bool hidden() const { return _flags & Hidden; }
+ bool muted() const { return _flags & Muted; }
+ bool opaque () const { return _flags & Opaque; }
+ bool locked() const { return _flags & Locked; }
+ bool automatic() const { return _flags & Automatic; }
bool whole_file() const { return _flags & WholeFile ; }
- Flag flags() const { return _flags; }
+ Flag flags() const { return _flags; }
virtual bool should_save_state () const { return !(_flags & DoNotSaveState); };
void freeze ();
void thaw (const string& why);
- bool covers (jack_nframes_t frame) const {
- return _position <= frame && frame < _position + _length;
+ bool covers (nframes_t frame) const {
+ return first_frame() <= frame && frame < last_frame();
}
- OverlapType coverage (jack_nframes_t start, jack_nframes_t end) const {
- return ARDOUR::coverage (_position, _position + _length - 1, start, end);
+ OverlapType coverage (nframes_t start, nframes_t end) const {
+ return ARDOUR::coverage (first_frame(), last_frame(), start, end);
}
-
- virtual jack_nframes_t read_at (Sample *buf, Sample *mixdown_buffer,
- float *gain_buffer, char * workbuf, jack_nframes_t position, jack_nframes_t cnt,
- uint32_t chan_n = 0,
- jack_nframes_t read_frames = 0,
- jack_nframes_t skip_frames = 0) const = 0;
+
+ bool equivalent (boost::shared_ptr<const Region>) const;
+ bool size_equivalent (boost::shared_ptr<const Region>) const;
+ bool overlap_equivalent (boost::shared_ptr<const Region>) const;
+ bool region_list_equivalent (boost::shared_ptr<const Region>) const;
+ virtual bool source_equivalent (boost::shared_ptr<const Region>) const = 0;
+
+ virtual bool speed_mismatch (float) const = 0;
/* EDITING OPERATIONS */
- void set_length (jack_nframes_t, void *src);
- void set_start (jack_nframes_t, void *src);
- void set_position (jack_nframes_t, void *src);
- void set_position_on_top (jack_nframes_t, void *src);
- void special_set_position (jack_nframes_t);
+ void set_length (nframes_t, void *src);
+ void set_start (nframes_t, void *src);
+ void set_position (nframes_t, void *src);
+ void set_position_on_top (nframes_t, void *src);
+ void special_set_position (nframes_t);
void nudge_position (long, void *src);
void move_to_natural_position (void *src);
- void trim_start (jack_nframes_t new_position, void *src);
- void trim_front (jack_nframes_t new_position, void *src);
- void trim_end (jack_nframes_t new_position, void *src);
- void trim_to (jack_nframes_t position, jack_nframes_t length, void *src);
+ void trim_start (nframes_t new_position, void *src);
+ void trim_front (nframes_t new_position, void *src);
+ void trim_end (nframes_t new_position, void *src);
+ void trim_to (nframes_t position, nframes_t length, void *src);
void set_layer (layer_t l); /* ONLY Playlist can call this */
void raise ();
void raise_to_top ();
void lower_to_bottom ();
- void set_sync_position (jack_nframes_t n);
+ void set_sync_position (nframes_t n);
void clear_sync_position ();
void set_hidden (bool yn);
void set_muted (bool yn);
void set_opaque (bool yn);
- void set_envelope_active (bool yn);
void set_locked (bool yn);
virtual uint32_t read_data_count() const { return _read_data_count; }
ARDOUR::Playlist* playlist() const { return _playlist; }
- virtual UndoAction get_memento() const = 0;
-
- void set_playlist (ARDOUR::Playlist*);
-
- virtual void lock_sources () {}
- virtual void unlock_sources () {}
+ virtual void set_playlist (ARDOUR::Playlist*);
/* serialization */
+ XMLNode& get_state ();
virtual XMLNode& state (bool);
- XMLNode& get_state ();
- int set_state (const XMLNode&);
-
- sigc::signal<void,Region*> GoingAway;
-
- /* This is emitted only when a new id is assigned. Therefore,
- in a pure Region copy, it will not be emitted.
-
- It must be emitted by derived classes, not Region
- itself, to permit dynamic_cast<> to be used to
- infer the type of Region.
- */
+ virtual int set_state (const XMLNode&);
+ virtual int set_live_state (const XMLNode&, Change&, bool send);
- static sigc::signal<void,Region*> CheckNewRegion;
-
- virtual Region* get_parent() = 0;
+ virtual boost::shared_ptr<Region> get_parent() = 0;
uint64_t last_layer_op() const { return _last_layer_op; }
void set_last_layer_op (uint64_t when);
protected:
+ friend class RegionFactory;
- jack_nframes_t _start;
- jack_nframes_t _length;
- jack_nframes_t _position;
- Flag _flags;
- jack_nframes_t _sync_position;
- layer_t _layer;
- string _name;
- mutable RegionEditState _first_edit;
- int _frozen;
- Glib::Mutex lock;
- PBD::ID _id;
- ARDOUR::Playlist* _playlist;
- mutable uint32_t _read_data_count; // modified in read()
- Change pending_changed;
- uint64_t _last_layer_op; // timestamp
-
- XMLNode& get_short_state (); /* used only by Session */
+ Region (nframes_t start, nframes_t length,
+ const string& name, layer_t = 0, Flag flags = DefaultFlags);
+ Region (boost::shared_ptr<const Region>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Flag flags = DefaultFlags);
+ Region (boost::shared_ptr<const Region>);
+ Region (const XMLNode&);
- /* state management */
- void send_change (Change);
+ protected:
+ XMLNode& get_short_state (); /* used only by Session */
- /* derived classes need these during their own state management calls */
+ void send_change (Change);
- void store_state (RegionState&) const;
- Change restore_and_return_flags (RegionState&);
-
- void trim_to_internal (jack_nframes_t position, jack_nframes_t length, void *src);
+ void trim_to_internal (nframes_t position, nframes_t length, void *src);
bool copied() const { return _flags & Copied; }
void maybe_uncopy ();
void first_edit ();
- virtual bool verify_start (jack_nframes_t) = 0;
- virtual bool verify_start_and_length (jack_nframes_t, jack_nframes_t) = 0;
- virtual bool verify_start_mutable (jack_nframes_t&_start) = 0;
- virtual bool verify_length (jack_nframes_t) = 0;
+ virtual bool verify_start (nframes_t) = 0;
+ virtual bool verify_start_and_length (nframes_t, nframes_t) = 0;
+ virtual bool verify_start_mutable (nframes_t&_start) = 0;
+ virtual bool verify_length (nframes_t) = 0;
virtual void recompute_at_start () = 0;
virtual void recompute_at_end () = 0;
+
+
+ nframes_t _start;
+ nframes_t _length;
+ nframes_t _position;
+ Flag _flags;
+ nframes_t _sync_position;
+ layer_t _layer;
+ string _name;
+ mutable RegionEditState _first_edit;
+ int _frozen;
+ Glib::Mutex lock;
+ ARDOUR::Playlist* _playlist;
+ mutable uint32_t _read_data_count; // modified in read()
+ Change pending_changed;
+ uint64_t _last_layer_op; // timestamp
};
} /* namespace ARDOUR */
projects / ardour.git / blobdiff