2 Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 #ifndef DCPOMATIC_PLAYLIST_H
22 #define DCPOMATIC_PLAYLIST_H
25 #include "frame_rate_change.h"
26 #include "atomicity_checker.h"
27 #include <libcxml/cxml.h>
28 #include <boost/shared_ptr.hpp>
29 #include <boost/signals2.hpp>
36 bool operator() (boost::shared_ptr<Content> a, boost::shared_ptr<Content> b);
40 * @brief A set of Content objects with knowledge of how they should be arranged into
43 class Playlist : public boost::noncopyable
49 void as_xml (xmlpp::Node *, bool with_content_paths);
50 void set_from_xml (boost::shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, std::list<std::string>& notes);
52 void add (boost::shared_ptr<const Film> film, boost::shared_ptr<Content>);
53 void remove (boost::shared_ptr<Content>);
54 void remove (ContentList);
55 void move_earlier (boost::shared_ptr<const Film> film, boost::shared_ptr<Content>);
56 void move_later (boost::shared_ptr<const Film> film, boost::shared_ptr<Content>);
58 ContentList content () const;
60 std::string video_identifier () const;
62 DCPTime length (boost::shared_ptr<const Film> film) const;
63 boost::optional<DCPTime> start () const;
64 int64_t required_disk_space (boost::shared_ptr<const Film> film, int j2k_bandwidth, int audio_channels, int audio_frame_rate) const;
66 int best_video_frame_rate () const;
67 DCPTime video_end (boost::shared_ptr<const Film> film) const;
68 DCPTime text_end (boost::shared_ptr<const Film> film) const;
69 FrameRateChange active_frame_rate_change (DCPTime, int dcp_frame_rate) const;
70 std::string content_summary (boost::shared_ptr<const Film> film, DCPTimePeriod period) const;
71 std::pair<double, double> speed_up_range (int dcp_video_frame_rate) const;
73 void set_sequence (bool);
74 void maybe_sequence (boost::shared_ptr<const Film> film);
76 void repeat (boost::shared_ptr<const Film> film, ContentList, int);
78 /** Emitted when content has been added to or removed from the playlist; implies OrderChanged */
79 mutable boost::signals2::signal<void (ChangeType)> Change;
80 mutable boost::signals2::signal<void ()> OrderChanged;
82 mutable boost::signals2::signal<void (ChangeType, boost::weak_ptr<Content>, int, bool)> ContentChange;
85 void content_change (boost::weak_ptr<const Film>, ChangeType, boost::weak_ptr<Content>, int, bool);
87 void reconnect (boost::shared_ptr<const Film> film);
89 /** List of content. Kept sorted in position order. */
93 std::list<boost::signals2::connection> _content_connections;
94 AtomicityChecker _checker;