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>
34 #ifdef HAVE_GLIB_THREADS_RECMUTEX
35 #include <glibmm/threads.h>
39 #include "pbd/stateful.h"
40 #include "pbd/statefuldestructible.h"
41 #include "pbd/sequence_property.h"
42 #include "pbd/stacktrace.h"
44 #include "evoral/types.hpp"
46 #include "ardour/ardour.h"
47 #include "ardour/session_object.h"
48 #include "ardour/data_type.h"
57 namespace Properties {
58 /* fake the type, since regions are handled by SequenceProperty which doesn't
59 care about such things.
61 extern PBD::PropertyDescriptor<bool> regions;
64 class RegionListProperty : public PBD::SequenceProperty<std::list<boost::shared_ptr<Region> > >
67 RegionListProperty (Playlist&);
69 RegionListProperty* clone () const;
70 void get_content_as_xml (boost::shared_ptr<Region>, XMLNode &) const;
71 boost::shared_ptr<Region> get_content_from_xml (XMLNode const &) const;
74 RegionListProperty* create () const;
76 /* copy construction only by ourselves */
77 RegionListProperty (RegionListProperty const & p);
79 friend class Playlist;
80 /* we live and die with our playlist, no lifetime management needed */
84 class Playlist : public SessionObject , public boost::enable_shared_from_this<Playlist>
87 static void make_property_quarks ();
89 Playlist (Session&, const XMLNode&, DataType type, bool hidden = false);
90 Playlist (Session&, std::string name, DataType type, bool hidden = false);
91 Playlist (boost::shared_ptr<const Playlist>, std::string name, bool hidden = false);
92 Playlist (boost::shared_ptr<const Playlist>, framepos_t start, framecnt_t cnt, std::string name, bool hidden = false);
96 void update (const RegionListProperty::ChangeRecord&);
97 void clear_owned_changes ();
98 void rdiff (std::vector<Command*>&) const;
100 boost::shared_ptr<Region> region_by_id (const PBD::ID&) const;
102 uint32_t max_source_level () const;
104 void set_region_ownership ();
106 virtual void clear (bool with_signals=true);
107 virtual void dump () const;
111 bool used () const { return _refcnt != 0; }
113 bool set_name (const std::string& str);
114 int sort_id() { return _sort_id; }
116 const DataType& data_type() const { return _type; }
118 bool frozen() const { return _frozen; }
119 void set_frozen (bool yn);
121 bool hidden() const { return _hidden; }
123 uint32_t n_regions() const;
124 std::pair<framepos_t, framepos_t> get_extent () const;
125 layer_t top_layer() const;
127 EditMode get_edit_mode() const { return _edit_mode; }
128 void set_edit_mode (EditMode);
130 /* Editing operations */
132 void add_region (boost::shared_ptr<Region>, framepos_t position, float times = 1, bool auto_partition = false);
133 void remove_region (boost::shared_ptr<Region>);
134 void remove_region_by_source (boost::shared_ptr<Source>);
135 void get_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
136 void get_region_list_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 nudge_after (framepos_t start, framecnt_t distance, bool forwards);
144 boost::shared_ptr<Region> combine (const RegionList&);
145 void uncombine (boost::shared_ptr<Region>);
147 void shuffle (boost::shared_ptr<Region>, int dir);
148 void update_after_tempo_map_change ();
150 boost::shared_ptr<Playlist> cut (std::list<AudioRange>&, bool result_is_hidden = true);
151 boost::shared_ptr<Playlist> copy (std::list<AudioRange>&, bool result_is_hidden = true);
152 int paste (boost::shared_ptr<Playlist>, framepos_t position, float times);
154 const RegionListProperty& region_list () const { return regions; }
156 boost::shared_ptr<RegionList> regions_at (framepos_t frame);
157 uint32_t count_regions_at (framepos_t) const;
158 boost::shared_ptr<RegionList> regions_touched (framepos_t start, framepos_t end);
159 boost::shared_ptr<RegionList> regions_with_start_within (Evoral::Range<framepos_t>);
160 boost::shared_ptr<RegionList> regions_with_end_within (Evoral::Range<framepos_t>);
161 uint32_t region_use_count (boost::shared_ptr<Region>) const;
162 boost::shared_ptr<Region> find_region (const PBD::ID&) const;
163 boost::shared_ptr<Region> top_region_at (framepos_t frame);
164 boost::shared_ptr<Region> top_unmuted_region_at (framepos_t frame);
165 boost::shared_ptr<Region> find_next_region (framepos_t frame, RegionPoint point, int dir);
166 framepos_t find_next_region_boundary (framepos_t frame, int dir);
167 bool region_is_shuffle_constrained (boost::shared_ptr<Region>);
168 bool has_region_at (framepos_t const) const;
170 bool uses_source (boost::shared_ptr<const Source> src) const;
172 framepos_t find_next_transient (framepos_t position, int dir);
174 void foreach_region (boost::function<void (boost::shared_ptr<Region>)>);
176 XMLNode& get_state ();
177 virtual int set_state (const XMLNode&, int version);
178 XMLNode& get_template ();
180 PBD::Signal1<void,bool> InUse;
181 PBD::Signal0<void> ContentsChanged;
182 PBD::Signal1<void,boost::weak_ptr<Region> > RegionAdded;
183 PBD::Signal1<void,boost::weak_ptr<Region> > RegionRemoved;
184 PBD::Signal0<void> NameChanged;
185 PBD::Signal0<void> LayeringChanged;
187 /** Emitted when regions have moved (not when regions have only been trimmed) */
188 PBD::Signal2<void,std::list< Evoral::RangeMove<framepos_t> > const &, bool> RangesMoved;
190 /** Emitted when regions are extended; the ranges passed are the new extra time ranges
191 that these regions now occupy.
193 PBD::Signal1<void,std::list< Evoral::Range<framepos_t> > const &> RegionsExtended;
195 static std::string bump_name (std::string old_name, Session&);
198 void thaw (bool from_undo = false);
200 void raise_region (boost::shared_ptr<Region>);
201 void lower_region (boost::shared_ptr<Region>);
202 void raise_region_to_top (boost::shared_ptr<Region>);
203 void lower_region_to_bottom (boost::shared_ptr<Region>);
205 const PBD::ID& get_orig_track_id () const { return _orig_track_id; }
206 void set_orig_track_id (const PBD::ID& did);
208 /* destructive editing */
210 virtual bool destroy_region (boost::shared_ptr<Region>) = 0;
212 void sync_all_regions_with_regions ();
214 /* special case function used by UI selection objects, which have playlists that actually own the regions
218 void drop_regions ();
220 virtual boost::shared_ptr<Crossfade> find_crossfade (const PBD::ID &) const {
221 return boost::shared_ptr<Crossfade> ();
224 framepos_t find_next_top_layer_position (framepos_t) const;
225 uint32_t combine_ops() const { return _combine_ops; }
227 void set_layer (boost::shared_ptr<Region>, double);
230 friend class Session;
234 RegionLock (Playlist *pl, bool do_block_notify = true) : playlist (pl), block_notify (do_block_notify) {
235 if (!playlist->region_lock.trylock()) {
236 std::cerr << "Lock for playlist " << pl->name() << " already held\n";
237 PBD::stacktrace (std::cerr, 10);
240 playlist->delay_notifications();
244 playlist->region_lock.unlock();
246 playlist->release_notifications ();
253 RegionListProperty regions; /* the current list of regions in the playlist */
254 std::set<boost::shared_ptr<Region> > all_regions; /* all regions ever added to this playlist */
255 PBD::ScopedConnectionList region_state_changed_connections;
258 mutable gint block_notifications;
259 mutable gint ignore_state_changes;
260 std::set<boost::shared_ptr<Region> > pending_adds;
261 std::set<boost::shared_ptr<Region> > pending_removes;
262 RegionList pending_bounds;
263 bool pending_contents_change;
264 bool pending_layering;
266 /** Movements of time ranges caused by region moves; note that
267 * region trims are not included in this list; it is used to
268 * do automation-follows-regions.
270 std::list< Evoral::RangeMove<framepos_t> > pending_range_moves;
271 /** Extra sections added to regions during trims */
272 std::list< Evoral::Range<framepos_t> > pending_region_extensions;
273 uint32_t in_set_state;
275 bool first_set_state;
286 PBD::ID _orig_track_id;
287 uint32_t _combine_ops;
289 void init (bool hide);
291 bool holding_state () const {
292 return g_atomic_int_get (&block_notifications) != 0 ||
293 g_atomic_int_get (&ignore_state_changes) != 0;
296 void delay_notifications ();
297 void release_notifications (bool from_undo = false);
298 virtual void flush_notifications (bool from_undo = false);
299 void clear_pending ();
301 void _set_sort_id ();
303 boost::shared_ptr<RegionList> regions_touched_locked (framepos_t start, framepos_t end);
305 void notify_region_removed (boost::shared_ptr<Region>);
306 void notify_region_added (boost::shared_ptr<Region>);
307 void notify_layering_changed ();
308 void notify_contents_changed ();
309 void notify_state_changed (const PBD::PropertyChange&);
310 void notify_region_moved (boost::shared_ptr<Region>);
311 void notify_region_start_trimmed (boost::shared_ptr<Region>);
312 void notify_region_end_trimmed (boost::shared_ptr<Region>);
314 void mark_session_dirty();
316 void region_changed_proxy (const PBD::PropertyChange&, boost::weak_ptr<Region>);
317 virtual bool region_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
319 void region_bounds_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
320 void region_deleted (boost::shared_ptr<Region>);
322 void sort_regions ();
324 void possibly_splice (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
325 void possibly_splice_unlocked(framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
327 void core_splice (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
328 void splice_locked (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
329 void splice_unlocked (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
331 virtual void check_crossfades (Evoral::Range<framepos_t>) {}
332 virtual void remove_dependents (boost::shared_ptr<Region> /*region*/) {}
334 virtual XMLNode& state (bool);
336 bool add_region_internal (boost::shared_ptr<Region>, framepos_t position);
338 int remove_region_internal (boost::shared_ptr<Region>);
339 void copy_regions (RegionList&) const;
340 void partition_internal (framepos_t start, framepos_t end, bool cutting, RegionList& thawlist);
342 std::pair<framepos_t, framepos_t> _get_extent() const;
344 boost::shared_ptr<Playlist> cut_copy (boost::shared_ptr<Playlist> (Playlist::*pmf)(framepos_t, framecnt_t, bool),
345 std::list<AudioRange>& ranges, bool result_is_hidden);
346 boost::shared_ptr<Playlist> cut (framepos_t start, framecnt_t cnt, bool result_is_hidden);
347 boost::shared_ptr<Playlist> copy (framepos_t start, framecnt_t cnt, bool result_is_hidden);
354 void _split_region (boost::shared_ptr<Region>, framepos_t position);
356 typedef std::pair<boost::shared_ptr<Region>, boost::shared_ptr<Region> > TwoRegions;
358 /* this is called before we create a new compound region */
359 virtual void pre_combine (std::vector<boost::shared_ptr<Region> >&) {}
360 /* this is called before we create a new compound region */
361 virtual void post_combine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>) {}
362 /* this is called before we remove a compound region and replace it
363 with its constituent regions
365 virtual void pre_uncombine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>) {}
368 friend class RegionLock;
369 mutable Glib::Mutex region_lock;
372 void setup_layering_indices (RegionList const &);
373 void coalesce_and_check_crossfades (std::list<Evoral::Range<framepos_t> >);
374 boost::shared_ptr<RegionList> find_regions_at (framepos_t);
377 } /* namespace ARDOUR */
379 #endif /* __ardour_playlist_h__ */