Merge 1.70.0-hotfix branch into master.

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

diff --git a/src/lib/player.h b/src/lib/player.h
index 60cf88422fa6279f8b7187c25b48b85cff32b140..6e70ad707cf79052cd24a64cbc0c1344020a2e1c 100644 (file)
--- a/src/lib/player.h
+++ b/src/lib/player.h
@@ -1,7 +1,5 @@
-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2014 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
@@ -25,24 +23,29 @@
 #include <list>
 #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 "playlist.h"
-#include "audio_buffers.h"
+#include "content.h"
+#include "film.h"
+#include "rect.h"
+#include "audio_merger.h"
+#include "audio_content.h"
+#include "piece.h"
+#include "subtitle.h"
 
 class Job;
 class Film;
 class Playlist;
 class AudioContent;
 class Piece;
-
+class Image;
+class Resampler;
+class PlayerVideoFrame;
+class ImageProxy;
+ 
 /** @class Player
  *  @brief A class which can `play' a Playlist; emitting its audio and video.
  */
- 
-class Player : public VideoSource, public AudioSource, public boost::enable_shared_from_this<Player>
+class Player : public boost::enable_shared_from_this<Player>, public boost::noncopyable
 {
 public:
        Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
@@ -51,28 +54,51 @@ public:
        void disable_audio ();
 
        bool pass ();
-       void seek (Time);
-       void seek_back ();
-       void seek_forward ();
+       void seek (Time, bool);
 
-       /** @return position that we are at; ie the time of the next thing we will emit on pass() */
-       Time position () const {
-               return _position;
+       Time video_position () const {
+               return _video_position;
        }
 
        void set_video_container_size (libdcp::Size);
 
+       bool repeat_last_video ();
+
+       /** Emitted when a video frame is ready.
+        *  First parameter is the video image.
+        *  Second parameter is true if the frame is the same as the last one that was emitted.
+        *  Third parameter is the time.
+        */
+       boost::signals2::signal<void (boost::shared_ptr<PlayerVideoFrame>, bool, Time)> Video;
+       
+       /** Emitted when some audio data is ready */
+       boost::signals2::signal<void (boost::shared_ptr<const AudioBuffers>, Time)> Audio;
+
+       /** Emitted when something has changed such that if we went back and emitted
+        *  the last frame again it would look different.  This is not emitted after
+        *  a seek.
+        *
+        *  The parameter is true if these signals are currently likely to be frequent.
+        */
+       boost::signals2::signal<void (bool)> Changed;
+
 private:
+       friend class PlayerWrapper;
+       friend class Piece;
 
-       void process_video (boost::weak_ptr<Content>, boost::shared_ptr<const Image>, bool, Time);
-       void process_audio (boost::weak_ptr<Content>, boost::shared_ptr<const AudioBuffers>, Time);
+       void process_video (boost::weak_ptr<Piece>, boost::shared_ptr<const ImageProxy>, Eyes, Part, bool, VideoContent::Frame, Time);
+       void process_audio (boost::weak_ptr<Piece>, boost::shared_ptr<const AudioBuffers>, AudioContent::Frame, bool);
+       void process_subtitle (boost::weak_ptr<Piece>, boost::shared_ptr<Image>, dcpomatic::Rect<double>, Time, Time);
        void setup_pieces ();
        void playlist_changed ();
-       void content_changed (boost::weak_ptr<Content>, int);
+       void content_changed (boost::weak_ptr<Content>, int, bool);
        void do_seek (Time, bool);
-       void add_black_piece (Time, Time);
-       void add_silent_piece (Time, Time);
        void flush ();
+       void emit_black ();
+       void emit_silence (OutputAudioFrame);
+       boost::shared_ptr<Resampler> resampler (boost::shared_ptr<AudioContent>, bool);
+       void film_changed (Film::Property);
+       void update_subtitle ();
 
        boost::shared_ptr<const Film> _film;
        boost::shared_ptr<const Playlist> _playlist;
@@ -83,10 +109,31 @@ private:
        /** Our pieces are ready to go; if this is false the pieces must be (re-)created before they are used */
        bool _have_valid_pieces;
        std::list<boost::shared_ptr<Piece> > _pieces;
-       Time _position;
-       AudioBuffers _audio_buffers;
-       Time _next_audio;
-       boost::optional<libdcp::Size> _video_container_size;
+
+       /** The time after the last video that we emitted */
+       Time _video_position;
+       /** The time after the last audio that we emitted */
+       Time _audio_position;
+
+       AudioMerger<Time, AudioContent::Frame> _audio_merger;
+
+       libdcp::Size _video_container_size;
+       boost::shared_ptr<PlayerVideoFrame> _black_frame;
+       std::map<boost::shared_ptr<AudioContent>, boost::shared_ptr<Resampler> > _resamplers;
+
+       std::list<Subtitle> _subtitles;
+
+#ifdef DCPOMATIC_DEBUG
+       boost::shared_ptr<Content> _last_video;
+#endif
+
+       bool _last_emit_was_black;
+
+       IncomingVideo _last_incoming_video;
+
+       boost::signals2::scoped_connection _playlist_changed_connection;
+       boost::signals2::scoped_connection _playlist_content_changed_connection;
+       boost::signals2::scoped_connection _film_changed_connection;
 };
 
 #endif