2 Copyright (C) 2000-2007 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_region_factory_h__
21 #define __ardour_region_factory_h__
25 #include <glibmm/thread.h>
28 #include "pbd/property_list.h"
29 #include "pbd/signals.h"
31 #include "ardour/types.h"
42 typedef std::map<PBD::ID,boost::shared_ptr<Region> > RegionMap;
44 static boost::shared_ptr<Region> wholefile_region_by_name (const std::string& name);
45 static boost::shared_ptr<Region> region_by_id (const PBD::ID&);
46 static boost::shared_ptr<Region> region_by_name (const std::string& name);
47 static const RegionMap all_regions() { return region_map; }
48 static void clear_map ();
50 /** This is emitted only when a new id is assigned. Therefore,
51 in a pure Region copy, it will not be emitted.
53 It must be emitted using a derived instance of Region, not Region
54 itself, to permit dynamic_cast<> to be used to
55 infer the type of Region.
57 static PBD::Signal1<void,boost::shared_ptr<Region> > CheckNewRegion;
59 /** create a "pure copy" of Region @param other */
60 static boost::shared_ptr<Region> create (boost::shared_ptr<const Region> other, bool announce = false);
62 /** create a region from a single Source */
63 static boost::shared_ptr<Region> create (boost::shared_ptr<Source>,
64 const PBD::PropertyList&, bool announce = true);
66 /** create a region from a multiple sources */
67 static boost::shared_ptr<Region> create (const SourceList &,
68 const PBD::PropertyList&, bool announce = true);
69 /** create a copy of @other starting at zero within @param other's sources */
70 static boost::shared_ptr<Region> create (boost::shared_ptr<Region> other,
71 const PBD::PropertyList&, bool announce = true);
72 /** create a copy of @param other starting at @param offset within @param other */
73 static boost::shared_ptr<Region> create (boost::shared_ptr<Region> other, frameoffset_t offset,
74 const PBD::PropertyList&, bool announce = true);
75 /** create a "copy" of @param other but using a different set of sources @param srcs */
76 static boost::shared_ptr<Region> create (boost::shared_ptr<Region> other, const SourceList& srcs,
77 const PBD::PropertyList&, bool announce = true);
79 /** create a region with no sources, using XML state */
80 static boost::shared_ptr<Region> create (Session&, XMLNode&, bool);
81 /** create a region with specified sources @param srcs and XML state */
82 static boost::shared_ptr<Region> create (SourceList& srcs, const XMLNode&);
84 static void get_regions_using_source (boost::shared_ptr<Source>, std::set<boost::shared_ptr<Region> >& );
85 static void remove_regions_using_source (boost::shared_ptr<Source>);
87 static void map_remove (boost::weak_ptr<Region>);
88 static void delete_all_regions ();
89 static const RegionMap& regions() { return region_map; }
90 static uint32_t nregions ();
92 static int region_name (std::string &, std::string, bool new_level = false);
93 static std::string new_region_name (std::string);
94 static std::string compound_region_name (const std::string& playlist, uint32_t compound_ops, uint32_t depth, bool whole_source);
96 /* when we make a compound region, for every region involved there
97 * are two "instances" - the original, which is removed from this
98 * playlist, and a copy, which is added to the playlist used as
99 * the source for the compound.
101 * when we uncombine, we want to put the originals back into this
102 * playlist after we remove the compound. this map lets us
103 * look them up easily. note that if the compound was trimmed or
104 * split, we may have to trim the originals
105 * and they may not be added back if the compound was trimmed
106 * or split sufficiently.
109 typedef std::map<boost::shared_ptr<Region>, boost::shared_ptr<Region> > CompoundAssociations;
110 static CompoundAssociations& compound_associations() { return _compound_associations; }
112 static void add_compound_association (boost::shared_ptr<Region>, boost::shared_ptr<Region>);
114 /* exposed because there may be cases where regions are created with
115 * announce=false but they still need to be in the map soon after
119 static void map_add (boost::shared_ptr<Region>);
123 static void region_changed (PBD::PropertyChange const &, boost::weak_ptr<Region>);
125 static Glib::StaticMutex region_map_lock;
127 static RegionMap region_map;
129 static Glib::StaticMutex region_name_map_lock;
131 static std::map<std::string, uint32_t> region_name_map;
132 static void update_region_name_map (boost::shared_ptr<Region>);
134 static PBD::ScopedConnectionList* region_list_connections;
135 static CompoundAssociations _compound_associations;
140 #endif /* __ardour_region_factory_h__ */