Hopefully fix seek back/forward.

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

diff --git a/src/lib/player.h b/src/lib/player.h
index a5fe844f0af88ca76321c5163c8afa5fa18134dc..15fa4dbd6ce5c1d118683e26bc5278e96cf31eef 100644 (file)
--- a/src/lib/player.h
+++ b/src/lib/player.h
@@ -1,5 +1,3 @@
-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
 /*
     Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
 
@@ -25,64 +23,90 @@
 #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"
 
 class Job;
 class Film;
 class Playlist;
 class AudioContent;
 class Piece;
+class Image;
+class Resampler;
 
 /** @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:
        Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
 
        void disable_video ();
        void disable_audio ();
-       void disable_subtitles ();
 
        bool pass ();
-       void seek (Time);
-       void seek_back ();
-       void seek_forward ();
+       void seek (Time, bool);
 
-       Time position () const {
-               return _position;
+       Time video_position () const {
+               return _video_position;
        }
 
+       void set_video_container_size (libdcp::Size);
+
+       /** Emitted when a video frame is ready.
+        *  First parameter is the video image.
+        *  Second parameter is true if the image is the same as the last one that was emitted.
+        *  Third parameter is the time.
+        */
+       boost::signals2::signal<void (boost::shared_ptr<const Image>, 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.
+        */
+       boost::signals2::signal<void ()> Changed;
+
 private:
 
-       void process_video (boost::weak_ptr<Content>, boost::shared_ptr<const Image>, bool, boost::shared_ptr<Subtitle>, 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 Image>, bool, VideoContent::Frame);
+       void process_audio (boost::weak_ptr<Piece>, boost::shared_ptr<const AudioBuffers>, AudioContent::Frame);
        void setup_pieces ();
        void playlist_changed ();
        void content_changed (boost::weak_ptr<Content>, int);
+       void do_seek (Time, bool);
+       void flush ();
+       void emit_black ();
+       void emit_silence (OutputAudioFrame);
+       boost::shared_ptr<Resampler> resampler (boost::shared_ptr<AudioContent>);
+       void film_changed (Film::Property);
 
        boost::shared_ptr<const Film> _film;
        boost::shared_ptr<const Playlist> _playlist;
        
        bool _video;
        bool _audio;
-       bool _subtitles;
 
        /** 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 of the earliest thing not yet to have been emitted */
-       Time _position;
+       /** The time after the last video that we emitted */
+       Time _video_position;
+       /** The time after the last audio that we emitted */
+       Time _audio_position;
+
        AudioBuffers _audio_buffers;
-       Time _next_audio;
+
+       libdcp::Size _video_container_size;
+       boost::shared_ptr<Image> _black_frame;
+       std::map<boost::shared_ptr<AudioContent>, boost::shared_ptr<Resampler> > _resamplers;
 };
 
 #endif