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>
34 #include <sigc++/signal.h>
37 #include <pbd/stateful.h>
38 #include <pbd/statefuldestructible.h>
40 #include <ardour/ardour.h>
41 #include <ardour/crossfade_compare.h>
42 #include <ardour/location.h>
49 class Playlist : public PBD::StatefulDestructible, public boost::enable_shared_from_this<Playlist> {
51 typedef list<boost::shared_ptr<Region> > RegionList;
53 Playlist (Session&, const XMLNode&, bool hidden = false);
54 Playlist (Session&, string name, bool hidden = false);
55 Playlist (boost::shared_ptr<const Playlist>, string name, bool hidden = false);
56 Playlist (boost::shared_ptr<const Playlist>, nframes_t start, nframes_t cnt, string name, bool hidden = false);
60 void set_region_ownership ();
62 virtual void clear (bool with_signals=true);
63 virtual void dump () const;
67 bool used () const { return _refcnt != 0; }
69 std::string name() const { return _name; }
70 void set_name (std::string str);
72 bool frozen() const { return _frozen; }
73 void set_frozen (bool yn);
75 bool hidden() const { return _hidden; }
77 uint32_t n_regions() const;
78 nframes_t get_maximum_extent () const;
79 layer_t top_layer() const;
81 EditMode get_edit_mode() const { return _edit_mode; }
82 void set_edit_mode (EditMode);
84 /* Editing operations */
86 void add_region (boost::shared_ptr<Region>, nframes_t position, float times = 1);
87 void remove_region (boost::shared_ptr<Region>);
88 void get_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
89 void get_region_list_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
90 void replace_region (boost::shared_ptr<Region> old, boost::shared_ptr<Region> newr, nframes_t pos);
91 void split_region (boost::shared_ptr<Region>, nframes_t position);
92 void partition (nframes_t start, nframes_t end, bool just_top_level);
93 void duplicate (boost::shared_ptr<Region>, nframes_t position, float times);
94 void nudge_after (nframes_t start, nframes_t distance, bool forwards);
95 void shuffle (boost::shared_ptr<Region>, int dir);
96 void update_after_tempo_map_change ();
98 boost::shared_ptr<Playlist> cut (list<AudioRange>&, bool result_is_hidden = true);
99 boost::shared_ptr<Playlist> copy (list<AudioRange>&, bool result_is_hidden = true);
100 int paste (boost::shared_ptr<Playlist>, nframes_t position, float times);
102 RegionList* regions_at (nframes_t frame);
103 RegionList* regions_touched (nframes_t start, nframes_t end);
104 RegionList* regions_to_read (nframes_t start, nframes_t end);
105 boost::shared_ptr<Region> find_region (const PBD::ID&) const;
106 boost::shared_ptr<Region> top_region_at (nframes_t frame);
107 boost::shared_ptr<Region> find_next_region (nframes_t frame, RegionPoint point, int dir);
108 nframes64_t find_next_region_boundary (nframes64_t frame, int dir);
109 bool region_is_shuffle_constrained (boost::shared_ptr<Region>);
111 nframes64_t find_next_transient (nframes64_t position, int dir);
113 template<class T> void foreach_region (T *t, void (T::*func)(boost::shared_ptr<Region>, void *), void *arg);
114 template<class T> void foreach_region (T *t, void (T::*func)(boost::shared_ptr<Region>));
116 XMLNode& get_state ();
117 int set_state (const XMLNode&);
118 XMLNode& get_template ();
120 sigc::signal<void,bool> InUse;
121 sigc::signal<void> Modified;
122 sigc::signal<void> NameChanged;
123 sigc::signal<void> LengthChanged;
124 sigc::signal<void> LayeringChanged;
126 static string bump_name (string old_name, Session&);
131 void raise_region (boost::shared_ptr<Region>);
132 void lower_region (boost::shared_ptr<Region>);
133 void raise_region_to_top (boost::shared_ptr<Region>);
134 void lower_region_to_bottom (boost::shared_ptr<Region>);
136 uint32_t read_data_count() const { return _read_data_count; }
138 Session& session() { return _session; }
140 const PBD::ID& get_orig_diskstream_id () const { return _orig_diskstream_id; }
141 void set_orig_diskstream_id (const PBD::ID& did) { _orig_diskstream_id = did; }
143 /* destructive editing */
145 virtual bool destroy_region (boost::shared_ptr<Region>) = 0;
147 /* special case function used by UI selection objects, which have playlists that actually own the regions
151 void drop_regions ();
154 friend class Session;
158 RegionLock (Playlist *pl, bool do_block_notify = true) : playlist (pl), block_notify (do_block_notify) {
159 playlist->region_lock.lock();
161 playlist->delay_notifications();
165 playlist->region_lock.unlock();
167 playlist->release_notifications ();
174 friend class RegionLock;
176 RegionList regions; /* the current list of regions in the playlist */
177 std::set<boost::shared_ptr<Region> > all_regions; /* all regions ever added to this playlist */
180 mutable gint block_notifications;
181 mutable gint ignore_state_changes;
182 mutable Glib::Mutex region_lock;
183 std::set<boost::shared_ptr<Region> > pending_adds;
184 std::set<boost::shared_ptr<Region> > pending_removes;
185 RegionList pending_bounds;
186 bool pending_modified;
189 string last_save_reason;
190 uint32_t in_set_state;
191 bool first_set_state;
202 uint32_t _read_data_count;
203 PBD::ID _orig_diskstream_id;
204 uint64_t layer_op_counter;
205 nframes_t freeze_length;
207 void init (bool hide);
209 bool holding_state () const {
210 return g_atomic_int_get (&block_notifications) != 0 ||
211 g_atomic_int_get (&ignore_state_changes) != 0;
214 /* prevent the compiler from ever generating these */
216 Playlist (const Playlist&);
217 Playlist (Playlist&);
219 void delay_notifications ();
220 void release_notifications ();
221 virtual void flush_notifications ();
223 void notify_region_removed (boost::shared_ptr<Region>);
224 void notify_region_added (boost::shared_ptr<Region>);
225 void notify_length_changed ();
226 void notify_layering_changed ();
227 void notify_modified ();
228 void notify_state_changed (Change);
230 void mark_session_dirty();
232 void region_changed_proxy (Change, boost::weak_ptr<Region>);
233 virtual bool region_changed (Change, boost::shared_ptr<Region>);
235 void region_bounds_changed (Change, boost::shared_ptr<Region>);
236 void region_deleted (boost::shared_ptr<Region>);
238 void sort_regions ();
240 void possibly_splice (nframes_t at, nframes64_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
241 void possibly_splice_unlocked(nframes_t at, nframes64_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
243 void core_splice (nframes_t at, nframes64_t distance, boost::shared_ptr<Region> exclude);
244 void splice_locked (nframes_t at, nframes64_t distance, boost::shared_ptr<Region> exclude);
245 void splice_unlocked (nframes_t at, nframes64_t distance, boost::shared_ptr<Region> exclude);
247 virtual void finalize_split_region (boost::shared_ptr<Region> original, boost::shared_ptr<Region> left, boost::shared_ptr<Region> right) {}
249 virtual void check_dependents (boost::shared_ptr<Region> region, bool norefresh) {}
250 virtual void refresh_dependents (boost::shared_ptr<Region> region) {}
251 virtual void remove_dependents (boost::shared_ptr<Region> region) {}
253 virtual XMLNode& state (bool);
255 boost::shared_ptr<Region> region_by_id (PBD::ID);
257 void add_region_internal (boost::shared_ptr<Region>, nframes_t position);
259 int remove_region_internal (boost::shared_ptr<Region>);
260 RegionList *find_regions_at (nframes_t frame);
261 void copy_regions (RegionList&) const;
262 void partition_internal (nframes_t start, nframes_t end, bool cutting, RegionList& thawlist);
264 nframes_t _get_maximum_extent() const;
266 boost::shared_ptr<Playlist> cut_copy (boost::shared_ptr<Playlist> (Playlist::*pmf)(nframes_t, nframes_t, bool),
267 list<AudioRange>& ranges, bool result_is_hidden);
268 boost::shared_ptr<Playlist> cut (nframes_t start, nframes_t cnt, bool result_is_hidden);
269 boost::shared_ptr<Playlist> copy (nframes_t start, nframes_t cnt, bool result_is_hidden);
272 int move_region_to_layer (layer_t, boost::shared_ptr<Region> r, int dir);
275 void unset_freeze_parent (Playlist*);
276 void unset_freeze_child (Playlist*);
278 void timestamp_layer_op (boost::shared_ptr<Region>);
281 } /* namespace ARDOUR */
283 #endif /* __ardour_playlist_h__ */