X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplaylist.h;h=649887f7271f38b2c2fd9c4afdf0f63bb4f0d195;hb=1fe6bd7f8ba059322b8357b2210f0fd590567ce2;hp=444eb9ae5ebb5ae1aac34932440025c92c3f8b43;hpb=b666a794a130386bc01ede2143ef40bd6973eb32;p=dcpomatic.git

diff --git a/src/lib/playlist.h b/src/lib/playlist.h
index 444eb9ae5..649887f72 100644
--- a/src/lib/playlist.h
+++ b/src/lib/playlist.h
@@ -1,63 +1,52 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2016 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 "frame_rate_change.h"
+#include <libcxml/cxml.h>
+#include <boost/shared_ptr.hpp>
+#include <boost/signals2.hpp>
+#include <list>
 
-class Content;
-class FFmpegContent;
-class FFmpegDecoder;
-class StillImageMagickContent;
-class StillImageMagickDecoder;
-class SndfileContent;
-class SndfileDecoder;
-class Job;
 class Film;
-class Region;
-
-/** @class Playlist
- *  @brief A set of content files (video and audio), with knowledge of how they should be arranged into
- *  a DCP.
- *
- * This class holds Content objects, and it knows how they should be arranged.
- */
 
 struct ContentSorter
 {
 	bool operator() (boost::shared_ptr<Content> a, boost::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
 {
 public:
 	Playlist ();
 	~Playlist ();
 
-	void as_xml (xmlpp::Node *);
-	void set_from_xml (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>, int, std::list<std::string> &);
+	void as_xml (xmlpp::Node *, bool with_content_paths);
+	void set_from_xml (boost::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>);
@@ -65,35 +54,48 @@ public:
 	void move_earlier (boost::shared_ptr<Content>);
 	void move_later (boost::shared_ptr<Content>);
 
-	bool has_subtitles () const;
-
 	ContentList content () const;
 
 	std::string video_identifier () const;
 
 	DCPTime length () const;
-	
-	int best_dcp_frame_rate () const;
+	boost::optional<DCPTime> start () const;
+	int64_t required_disk_space (int j2k_bandwidth, int audio_channels, int audio_frame_rate) const;
+
+	int best_video_frame_rate () const;
 	DCPTime video_end () const;
+	DCPTime text_end () const;
 	FrameRateChange active_frame_rate_change (DCPTime, int dcp_frame_rate) const;
+	std::string content_summary (DCPTimePeriod period) const;
+	std::pair<double, double> speed_up_range (int dcp_video_frame_rate) const;
 
-	void set_sequence_video (bool);
-	void maybe_sequence_video ();
+	void set_sequence (bool);
+	void maybe_sequence ();
 
 	void repeat (ContentList, int);
 
+	/** Emitted when content has been added to or removed from the playlist; implies OrderChanged */
 	mutable boost::signals2::signal<void ()> Changed;
-	/** Third parameter is true if signals are currently being emitted frequently */
+	mutable boost::signals2::signal<void ()> OrderChanged;
+
+	mutable boost::signals2::signal<void ()> ContentMayChange;
+	/** 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;
-	
+	mutable boost::signals2::signal<void ()> ContentNotChanged;
+
 private:
+	void content_may_change ();
 	void content_changed (boost::weak_ptr<Content>, int, bool);
+	void content_not_changed ();
 	void reconnect ();
 
 	/** List of content.  Kept sorted in position order. */
 	ContentList _content;
-	bool _sequence_video;
-	bool _sequencing_video;
+	bool _sequence;
+	bool _sequencing;
 	std::list<boost::signals2::connection> _content_connections;
 };