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>, samplepos_t start, samplecnt_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; }
121 bool shared () const { return !_shared_with_ids.empty(); }
122 void share_with (const PBD::ID&);
123 void unshare_with (const PBD::ID&);
124 bool shared_with (const PBD::ID&) const;
125 void reset_shares ();
127 uint32_t n_regions() const;
128 bool all_regions_empty() const;
129 std::pair<samplepos_t, samplepos_t> get_extent () const;
130 std::pair<samplepos_t, samplepos_t> get_extent_with_endspace() const;
131 layer_t top_layer() const;
133 EditMode get_edit_mode() const { return _edit_mode; }
134 void set_edit_mode (EditMode);
136 /* Editing operations */
138 void add_region (boost::shared_ptr<Region>, samplepos_t position, float times = 1, bool auto_partition = false, int32_t sub_num = 0, double quarter_note = 0.0, bool for_music = false);
139 void remove_region (boost::shared_ptr<Region>);
140 void get_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
141 void get_region_list_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
142 void get_source_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
143 void replace_region (boost::shared_ptr<Region> old, boost::shared_ptr<Region> newr, samplepos_t pos);
144 void split_region (boost::shared_ptr<Region>, const MusicSample& position);
145 void split (const MusicSample& at);
146 void shift (samplepos_t at, sampleoffset_t distance, bool move_intersected, bool ignore_music_glue);
147 void partition (samplepos_t start, samplepos_t end, bool cut = false);
148 void duplicate (boost::shared_ptr<Region>, samplepos_t position, float times);
149 void duplicate (boost::shared_ptr<Region>, samplepos_t position, samplecnt_t gap, float times);
150 void duplicate_until (boost::shared_ptr<Region>, samplepos_t position, samplecnt_t gap, samplepos_t end);
151 void duplicate_range (AudioRange&, float times);
152 void duplicate_ranges (std::list<AudioRange>&, float times);
153 void nudge_after (samplepos_t start, samplecnt_t distance, bool forwards);
154 boost::shared_ptr<Region> combine (const RegionList&);
155 void uncombine (boost::shared_ptr<Region>);
156 void fade_range (std::list<AudioRange>&);
158 void shuffle (boost::shared_ptr<Region>, int dir);
159 void ripple (samplepos_t at, samplecnt_t distance, RegionList *exclude);
160 void ripple (samplepos_t at, samplecnt_t distance, boost::shared_ptr<Region> exclude) {
163 el.push_back (exclude);
164 ripple (at, distance, &el);
167 void update_after_tempo_map_change ();
169 boost::shared_ptr<Playlist> cut (std::list<AudioRange>&, bool result_is_hidden = true);
170 boost::shared_ptr<Playlist> copy (std::list<AudioRange>&, bool result_is_hidden = true);
171 int paste (boost::shared_ptr<Playlist>, samplepos_t position, float times, const int32_t sub_num);
173 const RegionListProperty& region_list_property () const { return regions; }
174 boost::shared_ptr<RegionList> region_list();
176 boost::shared_ptr<RegionList> regions_at (samplepos_t sample);
177 uint32_t count_regions_at (samplepos_t) const;
178 boost::shared_ptr<RegionList> regions_touched (samplepos_t start, samplepos_t end);
179 boost::shared_ptr<RegionList> regions_with_start_within (Evoral::Range<samplepos_t>);
180 boost::shared_ptr<RegionList> regions_with_end_within (Evoral::Range<samplepos_t>);
181 uint32_t region_use_count (boost::shared_ptr<Region>) const;
182 boost::shared_ptr<Region> find_region (const PBD::ID&) const;
183 boost::shared_ptr<Region> top_region_at (samplepos_t sample);
184 boost::shared_ptr<Region> top_unmuted_region_at (samplepos_t sample);
185 boost::shared_ptr<Region> find_next_region (samplepos_t sample, RegionPoint point, int dir);
186 samplepos_t find_next_region_boundary (samplepos_t sample, int dir);
187 bool region_is_shuffle_constrained (boost::shared_ptr<Region>);
188 bool has_region_at (samplepos_t const) const;
190 bool uses_source (boost::shared_ptr<const Source> src, bool shallow = false) const;
191 void deep_sources (std::set<boost::shared_ptr<Source> >&) const;
193 samplepos_t find_next_transient (samplepos_t position, int dir);
195 void foreach_region (boost::function<void (boost::shared_ptr<Region>)>);
197 XMLNode& get_state ();
198 virtual int set_state (const XMLNode&, int version);
199 XMLNode& get_template ();
201 PBD::Signal1<void,bool> InUse;
202 PBD::Signal0<void> ContentsChanged;
203 PBD::Signal1<void,boost::weak_ptr<Region> > RegionAdded;
204 PBD::Signal1<void,boost::weak_ptr<Region> > RegionRemoved;
205 PBD::Signal0<void> NameChanged;
206 PBD::Signal0<void> LayeringChanged;
208 /** Emitted when regions have moved (not when regions have only been trimmed) */
209 PBD::Signal2<void,std::list< Evoral::RangeMove<samplepos_t> > const &, bool> RangesMoved;
211 /** Emitted when regions are extended; the ranges passed are the new extra time ranges
212 that these regions now occupy.
214 PBD::Signal1<void,std::list< Evoral::Range<samplepos_t> > const &> RegionsExtended;
216 static std::string bump_name (std::string old_name, Session&);
219 void thaw (bool from_undo = false);
221 void raise_region (boost::shared_ptr<Region>);
222 void lower_region (boost::shared_ptr<Region>);
223 void raise_region_to_top (boost::shared_ptr<Region>);
224 void lower_region_to_bottom (boost::shared_ptr<Region>);
226 const PBD::ID& get_orig_track_id () const { return _orig_track_id; }
227 void set_orig_track_id (const PBD::ID& did);
229 /* destructive editing */
231 virtual bool destroy_region (boost::shared_ptr<Region>) = 0;
233 void sync_all_regions_with_regions ();
235 /* special case function used by UI selection objects, which have playlists that actually own the regions
239 void drop_regions ();
241 virtual boost::shared_ptr<Crossfade> find_crossfade (const PBD::ID &) const {
242 return boost::shared_ptr<Crossfade> ();
245 samplepos_t find_next_top_layer_position (samplepos_t) const;
246 uint32_t combine_ops() const { return _combine_ops; }
248 void set_layer (boost::shared_ptr<Region>, double);
250 void set_capture_insertion_in_progress (bool yn);
253 friend class Session;
256 class RegionReadLock : public Glib::Threads::RWLock::ReaderLock {
258 RegionReadLock (Playlist *pl) : Glib::Threads::RWLock::ReaderLock (pl->region_lock) {}
262 class RegionWriteLock : public Glib::Threads::RWLock::WriterLock {
264 RegionWriteLock (Playlist *pl, bool do_block_notify = true)
265 : Glib::Threads::RWLock::WriterLock (pl->region_lock)
267 , block_notify (do_block_notify) {
269 playlist->delay_notifications();
274 Glib::Threads::RWLock::WriterLock::release ();
276 playlist->release_notifications ();
283 RegionListProperty regions; /* the current list of regions in the playlist */
284 std::set<boost::shared_ptr<Region> > all_regions; /* all regions ever added to this playlist */
285 PBD::ScopedConnectionList region_state_changed_connections;
286 PBD::ScopedConnectionList region_drop_references_connections;
289 mutable gint block_notifications;
290 mutable gint ignore_state_changes;
291 std::set<boost::shared_ptr<Region> > pending_adds;
292 std::set<boost::shared_ptr<Region> > pending_removes;
293 RegionList pending_bounds;
294 bool pending_contents_change;
295 bool pending_layering;
297 /** Movements of time ranges caused by region moves; note that
298 * region trims are not included in this list; it is used to
299 * do automation-follows-regions.
301 std::list< Evoral::RangeMove<samplepos_t> > pending_range_moves;
302 /** Extra sections added to regions during trims */
303 std::list< Evoral::Range<samplepos_t> > pending_region_extensions;
304 uint32_t in_set_state;
306 bool first_set_state;
317 bool _capture_insertion_underway;
319 PBD::ID _orig_track_id;
320 uint32_t _combine_ops;
321 std::list<PBD::ID> _shared_with_ids;
323 void init (bool hide);
325 bool holding_state () const {
326 return g_atomic_int_get (&block_notifications) != 0 ||
327 g_atomic_int_get (&ignore_state_changes) != 0;
330 void delay_notifications ();
331 void release_notifications (bool from_undo = false);
332 virtual void flush_notifications (bool from_undo = false);
333 void clear_pending ();
335 void _set_sort_id ();
337 boost::shared_ptr<RegionList> regions_touched_locked (samplepos_t start, samplepos_t end);
339 void notify_region_removed (boost::shared_ptr<Region>);
340 void notify_region_added (boost::shared_ptr<Region>);
341 void notify_layering_changed ();
342 void notify_contents_changed ();
343 void notify_state_changed (const PBD::PropertyChange&);
344 void notify_region_moved (boost::shared_ptr<Region>);
345 void notify_region_start_trimmed (boost::shared_ptr<Region>);
346 void notify_region_end_trimmed (boost::shared_ptr<Region>);
348 void mark_session_dirty();
350 void region_changed_proxy (const PBD::PropertyChange&, boost::weak_ptr<Region>);
351 virtual bool region_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
353 void region_bounds_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
354 void region_deleted (boost::shared_ptr<Region>);
356 void sort_regions ();
358 void possibly_splice (samplepos_t at, samplecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
359 void possibly_splice_unlocked(samplepos_t at, samplecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
361 void core_splice (samplepos_t at, samplecnt_t distance, boost::shared_ptr<Region> exclude);
362 void splice_locked (samplepos_t at, samplecnt_t distance, boost::shared_ptr<Region> exclude);
363 void splice_unlocked (samplepos_t at, samplecnt_t distance, boost::shared_ptr<Region> exclude);
365 void core_ripple (samplepos_t at, samplecnt_t distance, RegionList *exclude);
366 void ripple_locked (samplepos_t at, samplecnt_t distance, RegionList *exclude);
367 void ripple_unlocked (samplepos_t at, samplecnt_t distance, RegionList *exclude);
370 virtual void remove_dependents (boost::shared_ptr<Region> /*region*/) {}
371 virtual void region_going_away (boost::weak_ptr<Region> /*region*/) {}
373 virtual XMLNode& state (bool);
375 bool add_region_internal (boost::shared_ptr<Region>, samplepos_t position, int32_t sub_num = 0, double quarter_note = 0.0, bool for_music = false);
377 int remove_region_internal (boost::shared_ptr<Region>);
378 void copy_regions (RegionList&) const;
379 void partition_internal (samplepos_t start, samplepos_t end, bool cutting, RegionList& thawlist);
381 std::pair<samplepos_t, samplepos_t> _get_extent() const;
383 boost::shared_ptr<Playlist> cut_copy (boost::shared_ptr<Playlist> (Playlist::*pmf)(samplepos_t, samplecnt_t, bool),
384 std::list<AudioRange>& ranges, bool result_is_hidden);
385 boost::shared_ptr<Playlist> cut (samplepos_t start, samplecnt_t cnt, bool result_is_hidden);
386 boost::shared_ptr<Playlist> copy (samplepos_t start, samplecnt_t cnt, bool result_is_hidden);
393 virtual void _split_region (boost::shared_ptr<Region>, const MusicSample& position);
395 typedef std::pair<boost::shared_ptr<Region>, boost::shared_ptr<Region> > TwoRegions;
397 /* this is called before we create a new compound region */
398 virtual void pre_combine (std::vector<boost::shared_ptr<Region> >&) {}
399 /* this is called before we create a new compound region */
400 virtual void post_combine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>) {}
401 /* this is called before we remove a compound region and replace it
402 with its constituent regions
404 virtual void pre_uncombine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>) {}
407 friend class RegionReadLock;
408 friend class RegionWriteLock;
409 mutable Glib::Threads::RWLock region_lock;
412 void setup_layering_indices (RegionList const &);
413 void coalesce_and_check_crossfades (std::list<Evoral::Range<samplepos_t> >);
414 boost::shared_ptr<RegionList> find_regions_at (samplepos_t);
416 samplepos_t _end_space; //this is used when we are pasting a range with extra space at the end
419 } /* namespace ARDOUR */
421 #endif /* __ardour_playlist_h__ */