X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplaylist.h;h=76055bea0341c6ac2c831a11c0cf417de91fce5a;hb=b85420b326b74c7c8125bf599993d71460ad881e;hp=1d189cb070be9077f0ac241fcbefcf190366ac03;hpb=e94cd129dcd66a76210880bfdf19d27f7992651b;p=dcpomatic.git

diff --git a/src/lib/playlist.h b/src/lib/playlist.h
index 1d189cb07..76055bea0 100644
--- a/src/lib/playlist.h
+++ b/src/lib/playlist.h
@@ -17,89 +17,75 @@
 
 */
 
-#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;
 
-class Playlist
+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 setup (ContentList);
-
-	ContentAudioFrame audio_length () const;
-	int audio_channels () const;
-	int audio_frame_rate () const;
-	int64_t audio_channel_layout () const;
-	bool has_audio () const;
-	
-	float video_frame_rate () const;
-	libdcp::Size video_size () const;
-	ContentVideoFrame video_length () const;
-
-	AudioMapping default_audio_mapping () const;
+	void as_xml (xmlpp::Node *);
+	void set_from_xml (boost::shared_ptr<const Film>, cxml::ConstNodePtr, int, std::list<std::string> &);
 
-	enum VideoFrom {
-		VIDEO_NONE,
-		VIDEO_FFMPEG,
-		VIDEO_IMAGEMAGICK
-	};
+	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>);
 
-	enum AudioFrom {
-		AUDIO_NONE,
-		AUDIO_FFMPEG,
-		AUDIO_SNDFILE
-	};
+	ContentList content () const;
 
-	VideoFrom video_from () const {
-		return _video_from;
-	}
+	std::string video_identifier () const;
 
-	AudioFrom audio_from () const {
-		return _audio_from;
-	}
+	DCPTime length () const;
+	boost::optional<DCPTime> start () const;
 
-	boost::shared_ptr<const FFmpegContent> ffmpeg () const {
-		return _ffmpeg;
-	}
+	int best_dcp_frame_rate () const;
+	DCPTime video_end () const;
+	FrameRateChange active_frame_rate_change (DCPTime, int dcp_frame_rate) const;
 
-	std::list<boost::shared_ptr<const ImageMagickContent> > imagemagick () const {
-		return _imagemagick;
-	}
+	void set_sequence_video (bool);
+	void maybe_sequence_video ();
 
-	std::list<boost::shared_ptr<const SndfileContent> > sndfile () const {
-		return _sndfile;
-	}
+	void repeat (ContentList, int);
 
+	/** Emitted when content has been added to or removed from the playlist */
 	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);
-	
-	VideoFrom _video_from;
-	AudioFrom _audio_from;
+	/** 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;
 
-	boost::shared_ptr<const FFmpegContent> _ffmpeg;
-	std::list<boost::shared_ptr<const ImageMagickContent> > _imagemagick;
-	std::list<boost::shared_ptr<const SndfileContent> > _sndfile;
+private:
+	void content_changed (boost::weak_ptr<Content>, int, bool);
+	void reconnect ();
 
+	/** List of content.  Kept sorted in position order. */
+	ContentList _content;
+	bool _sequence_video;
+	bool _sequencing_video;
 	std::list<boost::signals2::connection> _content_connections;
 };
+
+#endif