Merge master; fix crash on new film.
[dcpomatic.git] / src / lib / player.h
index fc08deb9f3573d6c8ac2151460bda8077e52733f..20b83bfdb7c2468e702409fbc500286937553ec5 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 
 */
 
-#ifndef DVDOMATIC_PLAYER_H
-#define DVDOMATIC_PLAYER_H
+#ifndef DCPOMATIC_PLAYER_H
+#define DCPOMATIC_PLAYER_H
 
+#include <list>
 #include <boost/shared_ptr.hpp>
-#include <boost/thread.hpp>
-#include <boost/thread/mutex.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include "video_source.h"
+#include "audio_source.h"
+#include "video_sink.h"
+#include "audio_sink.h"
 
-class FilmState;
-class Screen;
+class VideoDecoder;
+class AudioDecoder;
+class Job;
+class Film;
+class Playlist;
+class AudioContent;
 
-class Player
+/** @class Player
+ *  @brief A class which can `play' a Playlist; emitting its audio and video.
+ */
+class Player : public TimedVideoSource, public TimedAudioSource, public TimedVideoSink, public boost::enable_shared_from_this<Player>
 {
 public:
-       enum Split {
-               SPLIT_NONE,
-               SPLIT_LEFT,
-               SPLIT_RIGHT
-       };
-               
-       Player (boost::shared_ptr<const FilmState>, boost::shared_ptr<const Screen>, Split);
-       ~Player ();
-
-       void command (std::string);
-
-       float position () const;
-       bool paused () const;
-       
-       pid_t mplayer_pid () const {
-               return _mplayer_pid;
-       }
+       Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
+
+       void disable_video ();
+       void disable_audio ();
+       void disable_subtitles ();
+
+       bool pass ();
+       void set_progress (boost::shared_ptr<Job>);
+       bool seek (double);
+       void seek_back ();
+       void seek_forward ();
+
+       double last_video_time () const;
 
 private:
-       void stdout_reader ();
-       void set_position (float);
-       void set_paused (bool);
+       void process_video (boost::shared_ptr<const Image> i, bool same, boost::shared_ptr<Subtitle> s, double);
+       void process_audio (boost::weak_ptr<const AudioContent>, boost::shared_ptr<const AudioBuffers>, double);
+       void setup_decoders ();
+       void playlist_changed ();
+       void content_changed (boost::weak_ptr<Content>, int);
+
+       boost::shared_ptr<const Film> _film;
+       boost::shared_ptr<const Playlist> _playlist;
        
-       int _mplayer_stdin[2];
-       int _mplayer_stdout[2];
-       int _mplayer_stderr[2];
-       pid_t _mplayer_pid;
-
-       boost::thread* _stdout_reader;
-       /* XXX: should probably be atomically accessed */
-       bool _stdout_reader_should_run;
-
-       mutable boost::mutex _state_mutex;
-       float _position;
-       bool _paused;
+       bool _video;
+       bool _audio;
+       bool _subtitles;
+
+       /** Our decoders are ready to go; if this is false the decoders must be (re-)created before they are used */
+       bool _have_valid_decoders;
+       /** Video decoders in order of presentation */
+       std::vector<boost::shared_ptr<VideoDecoder> > _video_decoders;
+       /** Start positions of each video decoder in seconds*/
+       std::vector<double> _video_start;
+        /** Index of current video decoder */
+       size_t _video_decoder;
+        /** Audio decoders in order of presentation (if they are from FFmpeg) */
+       std::vector<boost::shared_ptr<AudioDecoder> > _audio_decoders;
+       /** Start positions of each audio decoder (if they are from FFmpeg) in seconds */
+       std::vector<double> _audio_start;
+       /** Current audio decoder index if we are running them sequentially; otherwise undefined */
+       size_t _sequential_audio_decoder;
+
+       boost::shared_ptr<AudioBuffers> _audio_buffers;
+       boost::optional<double> _audio_time;
 };
 
 #endif