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>
36 #include "pbd/stateful.h"
37 #include "pbd/statefuldestructible.h"
38 #include "pbd/sequence_property.h"
39 #include "pbd/stacktrace.h"
41 #include "evoral/Range.hpp"
43 #include "ardour/ardour.h"
44 #include "ardour/region.h"
45 #include "ardour/session_object.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 LIBARDOUR_API extern PBD::PropertyDescriptor<bool> regions;
61 class LIBARDOUR_API RegionListProperty : public PBD::SequenceProperty<std::list<boost::shared_ptr<Region> > >
64 RegionListProperty (Playlist&);
66 RegionListProperty* clone () const;
67 void get_content_as_xml (boost::shared_ptr<Region>, XMLNode &) const;
68 boost::shared_ptr<Region> get_content_from_xml (XMLNode const &) const;
71 RegionListProperty* create () const;
73 /* copy construction only by ourselves */
74 RegionListProperty (RegionListProperty const & p);
76 friend class Playlist;
77 /* we live and die with our playlist, no lifetime management needed */
81 class LIBARDOUR_API Playlist : public SessionObject , public boost::enable_shared_from_this<Playlist>
84 static void make_property_quarks ();
86 Playlist (Session&, const XMLNode&, DataType type, bool hidden = false);
87 Playlist (Session&, std::string name, DataType type, bool hidden = false);
88 Playlist (boost::shared_ptr<const Playlist>, std::string name, bool hidden = false);
89 Playlist (boost::shared_ptr<const Playlist>, framepos_t start, framecnt_t cnt, std::string name, bool hidden = false);
93 void update (const RegionListProperty::ChangeRecord&);
94 void clear_owned_changes ();
95 void rdiff (std::vector<Command*>&) const;
97 boost::shared_ptr<Region> region_by_id (const PBD::ID&) const;
99 uint32_t max_source_level () const;
101 void set_region_ownership ();
103 virtual void clear (bool with_signals=true);
104 virtual void dump () const;
108 bool used () const { return _refcnt != 0; }
110 bool set_name (const std::string& str);
111 int sort_id() { return _sort_id; }
113 const DataType& data_type() const { return _type; }
115 bool frozen() const { return _frozen; }
116 void set_frozen (bool yn);
118 bool hidden() const { return _hidden; }
120 uint32_t n_regions() const;
121 bool all_regions_empty() const;
122 std::pair<framepos_t, framepos_t> get_extent () const;
123 std::pair<framepos_t, framepos_t> get_extent_with_endspace() const;
124 layer_t top_layer() const;
126 EditMode get_edit_mode() const { return _edit_mode; }
127 void set_edit_mode (EditMode);
129 /* Editing operations */
131 void add_region (boost::shared_ptr<Region>, framepos_t position, float times = 1, bool auto_partition = false);
132 void remove_region (boost::shared_ptr<Region>);
133 void remove_region_by_source (boost::shared_ptr<Source>);
134 void get_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
135 void get_region_list_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
136 void get_source_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
137 void replace_region (boost::shared_ptr<Region> old, boost::shared_ptr<Region> newr, framepos_t pos);
138 void split_region (boost::shared_ptr<Region>, framepos_t position);
139 void split (framepos_t at);
140 void shift (framepos_t at, frameoffset_t distance, bool move_intersected, bool ignore_music_glue);
141 void partition (framepos_t start, framepos_t end, bool cut = false);
142 void duplicate (boost::shared_ptr<Region>, framepos_t position, float times);
143 void duplicate (boost::shared_ptr<Region>, framepos_t position, framecnt_t gap, float times);
144 void duplicate_until (boost::shared_ptr<Region>, framepos_t position, framecnt_t gap, framepos_t end);
145 void duplicate_range (AudioRange&, float times);
146 void duplicate_ranges (std::list<AudioRange>&, float times);
147 void nudge_after (framepos_t start, framecnt_t distance, bool forwards);
148 boost::shared_ptr<Region> combine (const RegionList&);
149 void uncombine (boost::shared_ptr<Region>);
150 void fade_range (std::list<AudioRange>&);
152 void shuffle (boost::shared_ptr<Region>, int dir);
153 void ripple (framepos_t at, framecnt_t distance, RegionList *exclude);
154 void ripple (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude) {
157 el.push_back (exclude);
158 ripple (at, distance, &el);
161 void update_after_tempo_map_change ();
163 boost::shared_ptr<Playlist> cut (std::list<AudioRange>&, bool result_is_hidden = true);
164 boost::shared_ptr<Playlist> copy (std::list<AudioRange>&, bool result_is_hidden = true);
165 int paste (boost::shared_ptr<Playlist>, framepos_t position, float times);
167 const RegionListProperty& region_list_property () const { return regions; }
168 boost::shared_ptr<RegionList> region_list();
170 boost::shared_ptr<RegionList> regions_at (framepos_t frame);
171 uint32_t count_regions_at (framepos_t) const;
172 boost::shared_ptr<RegionList> regions_touched (framepos_t start, framepos_t end);
173 boost::shared_ptr<RegionList> regions_with_start_within (Evoral::Range<framepos_t>);
174 boost::shared_ptr<RegionList> regions_with_end_within (Evoral::Range<framepos_t>);
175 uint32_t region_use_count (boost::shared_ptr<Region>) const;
176 boost::shared_ptr<Region> find_region (const PBD::ID&) const;
177 boost::shared_ptr<Region> top_region_at (framepos_t frame);
178 boost::shared_ptr<Region> top_unmuted_region_at (framepos_t frame);
179 boost::shared_ptr<Region> find_next_region (framepos_t frame, RegionPoint point, int dir);
180 framepos_t find_next_region_boundary (framepos_t frame, int dir);
181 bool region_is_shuffle_constrained (boost::shared_ptr<Region>);
182 bool has_region_at (framepos_t const) const;
184 bool uses_source (boost::shared_ptr<const Source> src) const;
186 framepos_t find_next_transient (framepos_t position, int dir);
188 void foreach_region (boost::function<void (boost::shared_ptr<Region>)>);
190 XMLNode& get_state ();
191 virtual int set_state (const XMLNode&, int version);
192 XMLNode& get_template ();
194 PBD::Signal1<void,bool> InUse;
195 PBD::Signal0<void> ContentsChanged;
196 PBD::Signal1<void,boost::weak_ptr<Region> > RegionAdded;
197 PBD::Signal1<void,boost::weak_ptr<Region> > RegionRemoved;
198 PBD::Signal0<void> NameChanged;
199 PBD::Signal0<void> LayeringChanged;
201 /** Emitted when regions have moved (not when regions have only been trimmed) */
202 PBD::Signal2<void,std::list< Evoral::RangeMove<framepos_t> > const &, bool> RangesMoved;
204 /** Emitted when regions are extended; the ranges passed are the new extra time ranges
205 that these regions now occupy.
207 PBD::Signal1<void,std::list< Evoral::Range<framepos_t> > const &> RegionsExtended;
209 static std::string bump_name (std::string old_name, Session&);
212 void thaw (bool from_undo = false);
214 void raise_region (boost::shared_ptr<Region>);
215 void lower_region (boost::shared_ptr<Region>);
216 void raise_region_to_top (boost::shared_ptr<Region>);
217 void lower_region_to_bottom (boost::shared_ptr<Region>);
219 const PBD::ID& get_orig_track_id () const { return _orig_track_id; }
220 void set_orig_track_id (const PBD::ID& did);
222 /* destructive editing */
224 virtual bool destroy_region (boost::shared_ptr<Region>) = 0;
226 void sync_all_regions_with_regions ();
228 /* special case function used by UI selection objects, which have playlists that actually own the regions
232 void drop_regions ();
234 virtual boost::shared_ptr<Crossfade> find_crossfade (const PBD::ID &) const {
235 return boost::shared_ptr<Crossfade> ();
238 framepos_t find_next_top_layer_position (framepos_t) const;
239 uint32_t combine_ops() const { return _combine_ops; }
241 void set_layer (boost::shared_ptr<Region>, double);
243 void set_capture_insertion_in_progress (bool yn);
246 friend class Session;
249 class RegionReadLock : public Glib::Threads::RWLock::ReaderLock {
251 RegionReadLock (Playlist *pl) : Glib::Threads::RWLock::ReaderLock (pl->region_lock) {}
255 class RegionWriteLock : public Glib::Threads::RWLock::WriterLock {
257 RegionWriteLock (Playlist *pl, bool do_block_notify = true)
258 : Glib::Threads::RWLock::WriterLock (pl->region_lock)
260 , block_notify (do_block_notify) {
262 playlist->delay_notifications();
267 Glib::Threads::RWLock::WriterLock::release ();
269 playlist->release_notifications ();
276 RegionListProperty regions; /* the current list of regions in the playlist */
277 std::set<boost::shared_ptr<Region> > all_regions; /* all regions ever added to this playlist */
278 PBD::ScopedConnectionList region_state_changed_connections;
281 mutable gint block_notifications;
282 mutable gint ignore_state_changes;
283 std::set<boost::shared_ptr<Region> > pending_adds;
284 std::set<boost::shared_ptr<Region> > pending_removes;
285 RegionList pending_bounds;
286 bool pending_contents_change;
287 bool pending_layering;
289 /** Movements of time ranges caused by region moves; note that
290 * region trims are not included in this list; it is used to
291 * do automation-follows-regions.
293 std::list< Evoral::RangeMove<framepos_t> > pending_range_moves;
294 /** Extra sections added to regions during trims */
295 std::list< Evoral::Range<framepos_t> > pending_region_extensions;
296 uint32_t in_set_state;
298 bool first_set_state;
309 bool _capture_insertion_underway;
311 PBD::ID _orig_track_id;
312 uint32_t _combine_ops;
314 void init (bool hide);
316 bool holding_state () const {
317 return g_atomic_int_get (&block_notifications) != 0 ||
318 g_atomic_int_get (&ignore_state_changes) != 0;
321 void delay_notifications ();
322 void release_notifications (bool from_undo = false);
323 virtual void flush_notifications (bool from_undo = false);
324 void clear_pending ();
326 void _set_sort_id ();
328 boost::shared_ptr<RegionList> regions_touched_locked (framepos_t start, framepos_t end);
330 void notify_region_removed (boost::shared_ptr<Region>);
331 void notify_region_added (boost::shared_ptr<Region>);
332 void notify_layering_changed ();
333 void notify_contents_changed ();
334 void notify_state_changed (const PBD::PropertyChange&);
335 void notify_region_moved (boost::shared_ptr<Region>);
336 void notify_region_start_trimmed (boost::shared_ptr<Region>);
337 void notify_region_end_trimmed (boost::shared_ptr<Region>);
339 void mark_session_dirty();
341 void region_changed_proxy (const PBD::PropertyChange&, boost::weak_ptr<Region>);
342 virtual bool region_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
344 void region_bounds_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
345 void region_deleted (boost::shared_ptr<Region>);
347 void sort_regions ();
349 void possibly_splice (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
350 void possibly_splice_unlocked(framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
352 void core_splice (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
353 void splice_locked (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
354 void splice_unlocked (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
356 void core_ripple (framepos_t at, framecnt_t distance, RegionList *exclude);
357 void ripple_locked (framepos_t at, framecnt_t distance, RegionList *exclude);
358 void ripple_unlocked (framepos_t at, framecnt_t distance, RegionList *exclude);
361 virtual void remove_dependents (boost::shared_ptr<Region> /*region*/) {}
363 virtual XMLNode& state (bool);
365 bool add_region_internal (boost::shared_ptr<Region>, framepos_t position);
367 int remove_region_internal (boost::shared_ptr<Region>);
368 void copy_regions (RegionList&) const;
369 void partition_internal (framepos_t start, framepos_t end, bool cutting, RegionList& thawlist);
371 std::pair<framepos_t, framepos_t> _get_extent() const;
373 boost::shared_ptr<Playlist> cut_copy (boost::shared_ptr<Playlist> (Playlist::*pmf)(framepos_t, framecnt_t, bool),
374 std::list<AudioRange>& ranges, bool result_is_hidden);
375 boost::shared_ptr<Playlist> cut (framepos_t start, framecnt_t cnt, bool result_is_hidden);
376 boost::shared_ptr<Playlist> copy (framepos_t start, framecnt_t cnt, bool result_is_hidden);
383 void _split_region (boost::shared_ptr<Region>, framepos_t position);
385 typedef std::pair<boost::shared_ptr<Region>, boost::shared_ptr<Region> > TwoRegions;
387 /* this is called before we create a new compound region */
388 virtual void pre_combine (std::vector<boost::shared_ptr<Region> >&) {}
389 /* this is called before we create a new compound region */
390 virtual void post_combine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>) {}
391 /* this is called before we remove a compound region and replace it
392 with its constituent regions
394 virtual void pre_uncombine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>) {}
397 friend class RegionReadLock;
398 friend class RegionWriteLock;
399 mutable Glib::Threads::RWLock region_lock;
402 void setup_layering_indices (RegionList const &);
403 void coalesce_and_check_crossfades (std::list<Evoral::Range<framepos_t> >);
404 boost::shared_ptr<RegionList> find_regions_at (framepos_t);
406 framepos_t _end_space; //this is used when we are pasting a range with extra space at the end
409 } /* namespace ARDOUR */
411 #endif /* __ardour_playlist_h__ */