2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_playlist_h__
21 #define __ardour_playlist_h__
27 #include <boost/shared_ptr.hpp>
28 #include <boost/enable_shared_from_this.hpp>
29 #include <boost/utility.hpp>
37 #include "pbd/stateful.h"
38 #include "pbd/statefuldestructible.h"
39 #include "pbd/sequence_property.h"
41 #include "evoral/types.hpp"
43 #include "ardour/ardour.h"
44 #include "ardour/session_object.h"
45 #include "ardour/crossfade_compare.h"
46 #include "ardour/data_type.h"
54 namespace Properties {
55 /* fake the type, since regions are handled by SequenceProperty which doesn't
56 care about such things.
58 extern PBD::PropertyDescriptor<bool> regions;
61 class RegionListProperty : public PBD::SequenceProperty<std::list<boost::shared_ptr<Region> > >
64 RegionListProperty (Playlist&);
66 RegionListProperty* clone () const;
68 boost::shared_ptr<Region> lookup_id (const PBD::ID& id);
71 RegionListProperty* create () const;
73 friend class Playlist;
74 /* we live and die with our playlist, no lifetime management needed */
78 class Playlist : public SessionObject , public boost::enable_shared_from_this<Playlist>
81 typedef std::list<boost::shared_ptr<Region> > RegionList;
82 static void make_property_quarks ();
84 Playlist (Session&, const XMLNode&, DataType type, bool hidden = false);
85 Playlist (Session&, std::string name, DataType type, bool hidden = false);
86 Playlist (boost::shared_ptr<const Playlist>, std::string name, bool hidden = false);
87 Playlist (boost::shared_ptr<const Playlist>, framepos_t start, framecnt_t cnt, std::string name, bool hidden = false);
91 void update (const RegionListProperty::ChangeRecord&);
92 void clear_owned_history ();
93 void rdiff (std::vector<PBD::StatefulDiffCommand*>&) const;
95 boost::shared_ptr<Region> region_by_id (const PBD::ID&);
97 void set_region_ownership ();
99 virtual void clear (bool with_signals=true);
100 virtual void dump () const;
104 bool used () const { return _refcnt != 0; }
106 bool set_name (const std::string& str);
107 int sort_id() { return _sort_id; }
109 const DataType& data_type() const { return _type; }
111 bool frozen() const { return _frozen; }
112 void set_frozen (bool yn);
114 bool hidden() const { return _hidden; }
116 uint32_t n_regions() const;
117 std::pair<framecnt_t, framecnt_t> get_extent () const;
118 layer_t top_layer() const;
120 EditMode get_edit_mode() const { return _edit_mode; }
121 void set_edit_mode (EditMode);
123 /* Editing operations */
125 void add_region (boost::shared_ptr<Region>, framepos_t position, float times = 1, bool auto_partition = false);
126 void remove_region (boost::shared_ptr<Region>);
127 void remove_region_by_source (boost::shared_ptr<Source>);
128 void get_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
129 void get_region_list_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
130 void replace_region (boost::shared_ptr<Region> old, boost::shared_ptr<Region> newr, framepos_t pos);
131 void split_region (boost::shared_ptr<Region>, framepos_t position);
132 void split (framepos_t at);
133 void shift (framepos_t at, frameoffset_t distance, bool move_intersected, bool ignore_music_glue);
134 void partition (framepos_t start, framepos_t end, bool cut = false);
135 void duplicate (boost::shared_ptr<Region>, framepos_t position, float times);
136 void nudge_after (framepos_t start, framecnt_t distance, bool forwards);
137 void shuffle (boost::shared_ptr<Region>, int dir);
138 void update_after_tempo_map_change ();
140 boost::shared_ptr<Playlist> cut (std::list<AudioRange>&, bool result_is_hidden = true);
141 boost::shared_ptr<Playlist> copy (std::list<AudioRange>&, bool result_is_hidden = true);
142 int paste (boost::shared_ptr<Playlist>, framepos_t position, float times);
144 const RegionListProperty& region_list () const { return regions; }
146 RegionList* regions_at (framepos_t frame);
147 RegionList* regions_touched (framepos_t start, framepos_t end);
148 RegionList* regions_to_read (framepos_t start, framepos_t end);
149 boost::shared_ptr<Region> find_region (const PBD::ID&) const;
150 boost::shared_ptr<Region> top_region_at (framepos_t frame);
151 boost::shared_ptr<Region> top_unmuted_region_at (framepos_t frame);
152 boost::shared_ptr<Region> find_next_region (framepos_t frame, RegionPoint point, int dir);
153 framepos_t find_next_region_boundary (framepos_t frame, int dir);
154 bool region_is_shuffle_constrained (boost::shared_ptr<Region>);
155 bool has_region_at (framepos_t const) const;
158 framepos_t find_next_transient (framepos_t position, int dir);
160 void foreach_region (boost::function<void (boost::shared_ptr<Region>)>);
162 XMLNode& get_state ();
163 int set_state (const XMLNode&, int version);
164 XMLNode& get_template ();
166 PBD::Signal1<void,bool> InUse;
167 PBD::Signal0<void> ContentsChanged;
168 PBD::Signal1<void,boost::weak_ptr<Region> > RegionAdded;
169 PBD::Signal1<void,boost::weak_ptr<Region> > RegionRemoved;
170 PBD::Signal0<void> NameChanged;
171 PBD::Signal0<void> LengthChanged;
172 PBD::Signal0<void> LayeringChanged;
174 /** Emitted when regions have moved (not when regions have only been trimmed) */
175 PBD::Signal2<void,std::list< Evoral::RangeMove<framepos_t> > const &, bool> RangesMoved;
177 static std::string bump_name (std::string old_name, Session&);
180 void thaw (bool from_undo = false);
182 void raise_region (boost::shared_ptr<Region>);
183 void lower_region (boost::shared_ptr<Region>);
184 void raise_region_to_top (boost::shared_ptr<Region>);
185 void lower_region_to_bottom (boost::shared_ptr<Region>);
187 uint32_t read_data_count() const { return _read_data_count; }
189 /* XXX: use of diskstream here is a little unfortunate */
190 const PBD::ID& get_orig_diskstream_id () const { return _orig_diskstream_id; }
191 void set_orig_diskstream_id (const PBD::ID& did) { _orig_diskstream_id = did; }
193 /* destructive editing */
195 virtual bool destroy_region (boost::shared_ptr<Region>) = 0;
197 /* special case function used by UI selection objects, which have playlists that actually own the regions
201 void drop_regions ();
203 bool explicit_relayering () const {
204 return _explicit_relayering;
207 void set_explicit_relayering (bool e);
210 friend class Session;
214 RegionLock (Playlist *pl, bool do_block_notify = true) : playlist (pl), block_notify (do_block_notify) {
215 playlist->region_lock.lock();
217 playlist->delay_notifications();
221 playlist->region_lock.unlock();
223 playlist->release_notifications ();
230 friend class RegionLock;
232 RegionListProperty regions; /* the current list of regions in the playlist */
233 std::set<boost::shared_ptr<Region> > all_regions; /* all regions ever added to this playlist */
234 PBD::ScopedConnectionList region_state_changed_connections;
237 mutable gint block_notifications;
238 mutable gint ignore_state_changes;
239 mutable Glib::RecMutex region_lock;
240 std::set<boost::shared_ptr<Region> > pending_adds;
241 std::set<boost::shared_ptr<Region> > pending_removes;
242 RegionList pending_bounds;
243 bool pending_contents_change;
244 bool pending_layering;
247 /** Movements of time ranges caused by region moves; note that
248 * region trims are not included in this list; it is used to
249 * do automation-follows-regions.
251 std::list< Evoral::RangeMove<framepos_t> > pending_range_moves;
253 std::string last_save_reason;
254 uint32_t in_set_state;
256 bool first_set_state;
267 uint32_t _read_data_count;
268 PBD::ID _orig_diskstream_id;
269 uint64_t layer_op_counter;
270 framecnt_t freeze_length;
273 /** true if relayering should be done using region's current layers and their `pending explicit relayer'
274 * flags; otherwise false if relayering should be done using the layer-model (most recently moved etc.)
275 * Explicit relayering is used by tracks in stacked regionview mode.
277 bool _explicit_relayering;
279 void init (bool hide);
281 bool holding_state () const {
282 return g_atomic_int_get (&block_notifications) != 0 ||
283 g_atomic_int_get (&ignore_state_changes) != 0;
286 void delay_notifications ();
287 void release_notifications (bool from_undo = false);
288 virtual void flush_notifications (bool from_undo = false);
289 void clear_pending ();
291 void _set_sort_id ();
293 void notify_region_removed (boost::shared_ptr<Region>);
294 void notify_region_added (boost::shared_ptr<Region>);
295 void notify_length_changed ();
296 void notify_layering_changed ();
297 void notify_contents_changed ();
298 void notify_state_changed (const PBD::PropertyChange&);
299 void notify_region_moved (boost::shared_ptr<Region>);
301 void mark_session_dirty();
303 void region_changed_proxy (const PBD::PropertyChange&, boost::weak_ptr<Region>);
304 virtual bool region_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
306 void region_bounds_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
307 void region_deleted (boost::shared_ptr<Region>);
309 void sort_regions ();
311 void possibly_splice (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
312 void possibly_splice_unlocked(framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
314 void core_splice (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
315 void splice_locked (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
316 void splice_unlocked (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
318 virtual void finalize_split_region (boost::shared_ptr<Region> /*original*/, boost::shared_ptr<Region> /*left*/, boost::shared_ptr<Region> /*right*/) {}
320 virtual void check_dependents (boost::shared_ptr<Region> /*region*/, bool /*norefresh*/) {}
321 virtual void refresh_dependents (boost::shared_ptr<Region> /*region*/) {}
322 virtual void remove_dependents (boost::shared_ptr<Region> /*region*/) {}
324 virtual XMLNode& state (bool);
326 bool add_region_internal (boost::shared_ptr<Region>, framepos_t position);
328 int remove_region_internal (boost::shared_ptr<Region>);
329 RegionList *find_regions_at (framepos_t frame);
330 void copy_regions (RegionList&) const;
331 void partition_internal (framepos_t start, framepos_t end, bool cutting, RegionList& thawlist);
333 std::pair<framecnt_t, framecnt_t> _get_extent() const;
335 boost::shared_ptr<Playlist> cut_copy (boost::shared_ptr<Playlist> (Playlist::*pmf)(framepos_t, framecnt_t, bool),
336 std::list<AudioRange>& ranges, bool result_is_hidden);
337 boost::shared_ptr<Playlist> cut (framepos_t start, framecnt_t cnt, bool result_is_hidden);
338 boost::shared_ptr<Playlist> copy (framepos_t start, framecnt_t cnt, bool result_is_hidden);
340 int move_region_to_layer (layer_t, boost::shared_ptr<Region> r, int dir);
345 void unset_freeze_parent (Playlist*);
346 void unset_freeze_child (Playlist*);
348 void timestamp_layer_op (boost::shared_ptr<Region>);
350 void _split_region (boost::shared_ptr<Region>, framepos_t position);
353 } /* namespace ARDOUR */
355 #endif /* __ardour_playlist_h__ */