176 lines
6.9 KiB
C++
176 lines
6.9 KiB
C++
/*
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* Copyright (C) 2000-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
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* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.com>
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* Copyright (C) 2018-2019 Ben Loftis <ben@harrisonconsoles.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_region_factory_h__
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#define __ardour_region_factory_h__
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#include <glibmm/threads.h>
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#include <map>
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#include <set>
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#include "pbd/id.h"
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#include "pbd/property_list.h"
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#include "pbd/signals.h"
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#include "ardour/libardour_visibility.h"
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#include "ardour/types.h"
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class XMLNode;
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class RegionNamingTest;
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namespace ARDOUR {
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class AudioRegion;
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class Session;
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class ThawList;
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class LIBARDOUR_API RegionFactory
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{
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public:
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typedef std::map<PBD::ID, boost::shared_ptr<Region> > RegionMap;
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static boost::shared_ptr<Region> wholefile_region_by_name (const std::string& name);
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static boost::shared_ptr<Region> region_by_id (const PBD::ID&);
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static boost::shared_ptr<Region> region_by_name (const std::string& name);
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static void clear_map ();
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static const RegionMap all_regions ()
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{
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return region_map;
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}
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/** This is emitted only when a new id is assigned. Therefore,
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* in a pure Region copy, it will not be emitted.
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*
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* It must be emitted using a derived instance of Region, not Region
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* itself, to permit dynamic_cast<> to be used to
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* infer the type of Region.
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*/
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static PBD::Signal1<void, boost::shared_ptr<Region> > CheckNewRegion;
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/** create a "pure copy" of Region \p other */
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static boost::shared_ptr<Region> create (boost::shared_ptr<const Region> other, bool announce, bool fork = false, ThawList* tl = 0);
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/** Lua binding to create a "pure copy" of Region \p other */
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static boost::shared_ptr<Region> create (boost::shared_ptr<Region> other, bool announce, bool fork)
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{
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return create (boost::shared_ptr<const Region> (other), announce, fork, 0);
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}
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/** create a region from a single Source */
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static boost::shared_ptr<Region> create (boost::shared_ptr<Source>, const PBD::PropertyList&, bool announce = true, ThawList* tl = 0);
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/** create a region from a multiple sources */
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static boost::shared_ptr<Region> create (const SourceList&, const PBD::PropertyList&, bool announce = true, ThawList* tl = 0);
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/** create a copy of \p other starting at zero within \p other's sources */
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static boost::shared_ptr<Region> create (boost::shared_ptr<Region> other, const PBD::PropertyList&, bool announce = true, ThawList* tl = 0);
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/** create a copy of \p other starting at \p offset within \p other */
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static boost::shared_ptr<Region> create (boost::shared_ptr<Region> other, timecnt_t const & offset, const PBD::PropertyList&, bool announce = true, ThawList* tl = 0);
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/** create a "copy" of \p other but using a different set of sources \p srcs */
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static boost::shared_ptr<Region> create (boost::shared_ptr<Region> other, const SourceList& srcs, const PBD::PropertyList&, bool announce = true, ThawList* tl = 0);
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/** create a region with no sources, using XML state */
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static boost::shared_ptr<Region> create (Session&, XMLNode&, bool);
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/** create a region with specified sources \p srcs and XML state */
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static boost::shared_ptr<Region> create (SourceList& srcs, const XMLNode&);
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static boost::shared_ptr<Region> get_whole_region_for_source (boost::shared_ptr<ARDOUR::Source>);
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static void get_regions_using_source (boost::shared_ptr<Source>, std::set<boost::shared_ptr<Region> >&);
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static void remove_regions_using_source (boost::shared_ptr<Source>);
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static void map_remove (boost::weak_ptr<Region>);
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static void delete_all_regions ();
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static const RegionMap& regions ()
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{
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return region_map;
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}
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static uint32_t nregions ();
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static void foreach_region (boost::function<void (boost::shared_ptr<Region>)> f)
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{
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Glib::Threads::Mutex::Lock ls (region_map_lock);
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for (RegionMap::const_iterator i = region_map.begin (); i != region_map.end (); ++i) {
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f ((*i).second);
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}
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}
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static int region_name (std::string&, std::string, bool new_level = false);
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static std::string new_region_name (std::string);
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static std::string compound_region_name (const std::string& playlist, uint32_t compound_ops, uint32_t depth, bool whole_source);
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/* when we make a compound region, for every region involved there
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* are two "instances" - the original, which is removed from this
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* playlist, and a copy, which is added to the playlist used as
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* the source for the compound.
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*
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* when we uncombine, we want to put the originals back into this
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* playlist after we remove the compound. this map lets us
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* look them up easily. note that if the compound was trimmed or
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* split, we may have to trim the originals
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* and they may not be added back if the compound was trimmed
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* or split sufficiently.
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*/
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typedef std::map<boost::shared_ptr<Region>, boost::shared_ptr<Region> > CompoundAssociations;
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static CompoundAssociations& compound_associations ()
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{
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return _compound_associations;
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}
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static void add_compound_association (boost::shared_ptr<Region>, boost::shared_ptr<Region>);
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/* exposed because there may be cases where regions are created with
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* announce=false but they still need to be in the map soon after
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* creation.
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*/
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static void map_add (boost::shared_ptr<Region>);
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private:
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friend class ::RegionNamingTest;
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static void region_changed (PBD::PropertyChange const&, boost::weak_ptr<Region>);
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static void add_to_region_name_maps (boost::shared_ptr<Region>);
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static void rename_in_region_name_maps (boost::shared_ptr<Region>);
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static void update_region_name_number_map (boost::shared_ptr<Region>);
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static void remove_from_region_name_map (std::string);
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static Glib::Threads::Mutex region_map_lock;
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static RegionMap region_map;
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static Glib::Threads::Mutex region_name_maps_mutex;
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/** map of partial region names and suffix numbers */
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static std::map<std::string, uint32_t> region_name_number_map;
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/** map of complete region names with their region ID */
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static std::map<std::string, PBD::ID> region_name_map;
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static PBD::ScopedConnectionList* region_list_connections;
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static CompoundAssociations _compound_associations;
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};
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} // namespace ARDOUR
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#endif /* __ardour_region_factory_h__ */
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