/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
+
#ifndef DCPOMATIC_PLAYLIST_H
#define DCPOMATIC_PLAYLIST_H
-#include <list>
-#include <boost/shared_ptr.hpp>
-#include <boost/enable_shared_from_this.hpp>
-#include "ffmpeg_content.h"
-#include "audio_mapping.h"
-#include "util.h"
+
+#include "change_signaller.h"
#include "frame_rate_change.h"
+#include "util.h"
+#include <libcxml/cxml.h>
+#include <boost/signals2.hpp>
+#include <boost/thread.hpp>
+#include <list>
+
-class Content;
-class FFmpegContent;
-class FFmpegDecoder;
-class StillImageMagickContent;
-class StillImageMagickDecoder;
-class SndfileContent;
-class SndfileDecoder;
-class Job;
class Film;
-class Region;
+
struct ContentSorter
{
- bool operator() (boost::shared_ptr<Content> a, boost::shared_ptr<Content> b);
+ bool operator() (std::shared_ptr<Content> a, std::shared_ptr<Content> b);
};
+
/** @class Playlist
* @brief A set of Content objects with knowledge of how they should be arranged into
* a DCP.
*/
-class Playlist : public boost::noncopyable
+class Playlist
{
public:
Playlist ();
~Playlist ();
- void as_xml (xmlpp::Node *);
- void set_from_xml (boost::shared_ptr<const Film>, cxml::ConstNodePtr, int, std::list<std::string> &);
+ Playlist (Playlist const&) = delete;
+ Playlist& operator= (Playlist const&) = delete;
+
+ void as_xml (xmlpp::Node *, bool with_content_paths);
+ void set_from_xml (std::shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, std::list<std::string>& notes);
- void add (boost::shared_ptr<Content>);
- void remove (boost::shared_ptr<Content>);
+ void add (std::shared_ptr<const Film> film, std::shared_ptr<Content>);
+ void remove (std::shared_ptr<Content>);
void remove (ContentList);
- void move_earlier (boost::shared_ptr<Content>);
- void move_later (boost::shared_ptr<Content>);
+ void move_earlier (std::shared_ptr<const Film> film, std::shared_ptr<Content>);
+ void move_later (std::shared_ptr<const Film> film, std::shared_ptr<Content>);
ContentList content () const;
std::string video_identifier () const;
- DCPTime length () const;
-
- int best_dcp_frame_rate () const;
- DCPTime video_end () const;
- FrameRateChange active_frame_rate_change (DCPTime, int dcp_frame_rate) const;
-
- void set_sequence_video (bool);
- void maybe_sequence_video ();
-
- void repeat (ContentList, int);
-
- /** Emitted when content has been added to or removed from the playlist */
- mutable boost::signals2::signal<void ()> Changed;
- /** Emitted when something about a piece of our content has changed;
- * these emissions include when the position of the content changes.
- * Third parameter is true if signals are currently being emitted frequently.
- */
- mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int, bool)> ContentChanged;
-
+ dcpomatic::DCPTime length (std::shared_ptr<const Film> film) const;
+ boost::optional<dcpomatic::DCPTime> start () const;
+ int64_t required_disk_space (std::shared_ptr<const Film> film, int j2k_bandwidth, int audio_channels, int audio_frame_rate) const;
+
+ int best_video_frame_rate () const;
+ dcpomatic::DCPTime video_end (std::shared_ptr<const Film> film) const;
+ dcpomatic::DCPTime text_end (std::shared_ptr<const Film> film) const;
+ FrameRateChange active_frame_rate_change (dcpomatic::DCPTime, int dcp_frame_rate) const;
+ std::string content_summary (std::shared_ptr<const Film> film, dcpomatic::DCPTimePeriod period) const;
+ std::pair<double, double> speed_up_range (int dcp_video_frame_rate) const;
+
+ void set_sequence (bool);
+ void maybe_sequence (std::shared_ptr<const Film> film);
+
+ void repeat (std::shared_ptr<const Film> film, ContentList, int);
+
+ /** Emitted when content has been added to or removed from the playlist; implies OrderChange */
+ mutable boost::signals2::signal<void (ChangeType)> Change;
+ mutable boost::signals2::signal<void ()> OrderChange;
+ /** Emitted when the length might have changed; may sometimes be emitted when it has not */
+ mutable boost::signals2::signal<void ()> LengthChange;
+
+ mutable boost::signals2::signal<void (ChangeType, std::weak_ptr<Content>, int, bool)> ContentChange;
+
private:
- void content_changed (boost::weak_ptr<Content>, int, bool);
- void reconnect ();
+ void content_change (std::weak_ptr<const Film>, ChangeType, std::weak_ptr<Content>, int, bool);
+ void disconnect ();
+ void reconnect (std::shared_ptr<const Film> film);
+ mutable boost::mutex _mutex;
/** List of content. Kept sorted in position order. */
ContentList _content;
- bool _sequence_video;
- bool _sequencing_video;
+ bool _sequence = true;
+ bool _sequencing = false;
std::list<boost::signals2::connection> _content_connections;
};
+
#endif