X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplaylist.h;h=d55232dadb8898793417165ed3b955290a39db14;hb=72b11d5eb036651b6ff68edf3ed270e8fc52960f;hp=85bde64ff7e741b10f8c1bc5b3d1d64c3c898a8e;hpb=d851e5d3fd3e5af48c7e464a305c9d0001999700;p=dcpomatic.git

diff --git a/src/lib/playlist.h b/src/lib/playlist.h
index 85bde64ff..d55232dad 100644
--- a/src/lib/playlist.h
+++ b/src/lib/playlist.h
@@ -1,106 +1,94 @@
 /*
-    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/>.
 
 */
 
-#include <list>
+#ifndef DCPOMATIC_PLAYLIST_H
+#define DCPOMATIC_PLAYLIST_H
+
+#include "util.h"
+#include "frame_rate_change.h"
+#include <libcxml/cxml.h>
 #include <boost/shared_ptr.hpp>
-#include <boost/enable_shared_from_this.hpp>
-#include "video_source.h"
-#include "audio_source.h"
-#include "video_sink.h"
-#include "audio_sink.h"
-#include "ffmpeg_content.h"
-#include "audio_mapping.h"
-
-class Content;
-class FFmpegContent;
-class FFmpegDecoder;
-class ImageMagickContent;
-class ImageMagickDecoder;
-class SndfileContent;
-class SndfileDecoder;
-class Job;
+#include <boost/signals2.hpp>
+#include <list>
+
 class Film;
 
+struct ContentSorter
+{
+	bool operator() (boost::shared_ptr<Content> a, boost::shared_ptr<Content> b);
+};
+
 /** @class Playlist
- *  @brief A set of content files (video and audio), with knowledge of how they should be arranged into
+ *  @brief A set of Content objects with knowledge of how they should be arranged into
  *  a DCP.
- *
- * This class holds Content objects, and it knows how they should be arranged.  At the moment
- * the ordering is implicit; video content is placed sequentially, and audio content is taken
- * from the video unless any sound-only files are present.  If sound-only files exist, they
- * are played simultaneously (i.e. they can be split up into multiple files for different channels)
  */
-    
-class Playlist
+class Playlist : public boost::noncopyable
 {
 public:
 	Playlist ();
+	~Playlist ();
 
-	void setup (ContentList);
+	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);
 
-	ContentAudioFrame audio_length () const;
-	int audio_channels () const;
-	int audio_frame_rate () const;
-	bool has_audio () const;
-	
-	float video_frame_rate () const;
-	libdcp::Size video_size () const;
-	ContentVideoFrame video_length () const;
+	void add (boost::shared_ptr<Content>);
+	void remove (boost::shared_ptr<Content>);
+	void remove (ContentList);
+	void move_earlier (boost::shared_ptr<Content>);
+	void move_later (boost::shared_ptr<Content>);
 
-	AudioMapping default_audio_mapping () const;
-	ContentVideoFrame content_length () const;
+	ContentList content () const;
 
-	enum AudioFrom {
-		AUDIO_FFMPEG,
-		AUDIO_SNDFILE
-	};
+	std::string video_identifier () const;
 
-	AudioFrom audio_from () const {
-		return _audio_from;
-	}
+	DCPTime length () const;
+	boost::optional<DCPTime> start () const;
+	int64_t required_disk_space (int j2k_bandwidth, int audio_channels, int audio_frame_rate) const;
 
-	std::list<boost::shared_ptr<const VideoContent> > video () const {
-		return _video;
-	}
+	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;
 
-	std::list<boost::shared_ptr<const AudioContent> > audio () const {
-		return _audio;
-	}
+	void set_sequence (bool);
+	void maybe_sequence ();
 
-	std::string audio_digest () const;
-	std::string video_digest () const;
+	void repeat (ContentList, int);
 
-	mutable boost::signals2::signal<void ()> Changed;
-	mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int)> ContentChanged;
-	
-private:
-	void content_changed (boost::weak_ptr<Content>, int);
+	/** Emitted when content has been added to or removed from the playlist; implies OrderChanged */
+	mutable boost::signals2::signal<void (ChangeType)> Change;
+	mutable boost::signals2::signal<void ()> OrderChanged;
 
-	/** where we should get our audio from */
-	AudioFrom _audio_from;
+	mutable boost::signals2::signal<void (ChangeType, boost::weak_ptr<Content>, int, bool)> ContentChange;
 
-	/** all our content which contains video */
-	std::list<boost::shared_ptr<const VideoContent> > _video;
-	/** all our content which contains audio.  This may contain the same objects
-	 *  as _video for FFmpegContent.
-	 */
-	std::list<boost::shared_ptr<const AudioContent> > _audio;
+private:
+	void content_change (ChangeType, boost::weak_ptr<Content>, int, bool);
+	void reconnect ();
 
+	/** List of content.  Kept sorted in position order. */
+	ContentList _content;
+	bool _sequence;
+	bool _sequencing;
 	std::list<boost::signals2::connection> _content_connections;
 };
+
+#endif