Protect playlist with a mutex so that we can add content safely from e.g. examine...

[dcpomatic.git] / src / lib / playlist.h

diff --git a/src/lib/playlist.h b/src/lib/playlist.h
index 4add76344e7c5b1af299e1376d0e397d544c7ed3..cd902d223d0f0944f5fd550f60805d2f8546dc12 100644 (file)
--- a/src/lib/playlist.h
+++ b/src/lib/playlist.h
@@ -17,14 +17,80 @@
 
 */
 
+#ifndef DCPOMATIC_PLAYLIST_H
+#define DCPOMATIC_PLAYLIST_H
+
+#include <list>
 #include <boost/shared_ptr.hpp>
-#include "video_source.h"
-#include "video_sink.h"
+#include <boost/enable_shared_from_this.hpp>
+#include "ffmpeg_content.h"
+#include "audio_mapping.h"
 
 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 : public VideoSource, public AudioSource
+class Playlist : public boost::noncopyable
 {
 public:
-       Playlist (std::list<boost::shared_ptr<Content> >);
+       Playlist ();
+       ~Playlist ();
+
+       void as_xml (xmlpp::Node *);
+       void set_from_xml (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>);
+
+       void add (boost::shared_ptr<Content>);
+       void remove (boost::shared_ptr<Content>);
+       void remove (ContentList);
+
+       bool has_subtitles () const;
+
+       ContentList content () const;
+
+       std::string video_identifier () const;
+
+       Time length () const;
+       
+       int best_dcp_frame_rate () const;
+       Time video_end () const;
+
+       void set_sequence_video (bool);
+       void maybe_sequence_video ();
+
+       void repeat (ContentList, int);
+
+       mutable boost::signals2::signal<void ()> Changed;
+       /** Third parameter is true if signals are currently being emitted frequently */
+       mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int, bool)> ContentChanged;
+       
+private:
+       void content_changed (boost::weak_ptr<Content>, int, bool);
+       void reconnect ();
+
+       ContentList _content;
+       bool _sequence_video;
+       bool _sequencing_video;
+       std::list<boost::signals2::connection> _content_connections;
+       mutable boost::mutex _mutex;
 };
+
+#endif