Build Empty objects from the presence or absence of decoders in
[dcpomatic.git] / src / lib / player.h
index c43cfd40e1eca4d0dc0b154c8aeb71089475c8bc..b3c4e82b42394453677f886a47b7f7f3899d03f2 100644 (file)
@@ -88,17 +88,7 @@ public:
 
        boost::optional<DCPTime> content_time_to_dcp (boost::shared_ptr<Content> content, ContentTime t);
 
-       boost::signals2::signal<void ()> MayChange;
-
-       /** 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 first parameter is what changed.
-        *  The second parameter is true if these signals are currently likely to be frequent.
-        */
-       boost::signals2::signal<void (int, bool)> Changed;
-       boost::signals2::signal<void ()> NotChanged;
+       boost::signals2::signal<void (ChangeType, int, bool)> Change;
 
        /** Emitted when a video frame is ready.  These emissions happen in the correct order. */
        boost::signals2::signal<void (boost::shared_ptr<PlayerVideo>, DCPTime)> Video;
@@ -106,7 +96,7 @@ public:
        /** Emitted when a text is ready.  This signal may be emitted considerably
         *  after the corresponding Video.
         */
-       boost::signals2::signal<void (PlayerText, TextType, DCPTimePeriod)> Text;
+       boost::signals2::signal<void (PlayerText, TextType, boost::optional<DCPTextTrack>, DCPTimePeriod)> Text;
 
 private:
        friend class PlayerWrapper;
@@ -115,16 +105,15 @@ private:
        friend struct player_time_calculation_test2;
        friend struct player_time_calculation_test3;
        friend struct player_subframe_test;
+       friend struct empty_test1;
+       friend struct empty_test2;
 
        void setup_pieces ();
        void setup_pieces_unlocked ();
        void flush ();
-       void film_changed (Film::Property);
-       void playlist_changed ();
-       void playlist_content_may_change ();
-       void playlist_content_changed (boost::weak_ptr<Content>, int, bool);
-       void playlist_content_not_changed ();
-       std::list<PositionImage> transform_bitmap_texts (std::list<BitmapText>) const;
+       void film_change (ChangeType, Film::Property);
+       void playlist_change (ChangeType);
+       void playlist_content_change (ChangeType, int, bool);
        Frame dcp_to_content_video (boost::shared_ptr<const Piece> piece, DCPTime t) const;
        DCPTime content_video_to_dcp (boost::shared_ptr<const Piece> piece, Frame f) const;
        Frame dcp_to_resampled_audio (boost::shared_ptr<const Piece> piece, DCPTime t) const;
@@ -136,7 +125,7 @@ private:
        void audio (boost::weak_ptr<Piece>, AudioStreamPtr, ContentAudio);
        void bitmap_text_start (boost::weak_ptr<Piece>, boost::weak_ptr<const TextContent>, ContentBitmapText);
        void plain_text_start (boost::weak_ptr<Piece>, boost::weak_ptr<const TextContent>, ContentStringText);
-       void subtitle_stop (boost::weak_ptr<Piece>, boost::weak_ptr<const TextContent>, ContentTime, TextType);
+       void subtitle_stop (boost::weak_ptr<Piece>, boost::weak_ptr<const TextContent>, ContentTime);
        DCPTime one_video_frame () const;
        void fill_audio (DCPTimePeriod period);
        std::pair<boost::shared_ptr<AudioBuffers>, DCPTime> discard_audio (
@@ -156,8 +145,8 @@ private:
        boost::shared_ptr<const Film> _film;
        boost::shared_ptr<const Playlist> _playlist;
 
-       /** We can pass() and seek() */
-       bool _can_run;
+       /** true if we are suspended (i.e. pass() and seek() do nothing) */
+       bool _suspended;
        std::list<boost::shared_ptr<Piece> > _pieces;
 
        /** Size of the image in the DCP (e.g. 1990x1080 for flat) */
@@ -212,10 +201,8 @@ private:
        boost::shared_ptr<AudioProcessor> _audio_processor;
 
        boost::signals2::scoped_connection _film_changed_connection;
-       boost::signals2::scoped_connection _playlist_changed_connection;
-       boost::signals2::scoped_connection _playlist_content_may_change_connection;
-       boost::signals2::scoped_connection _playlist_content_changed_connection;
-       boost::signals2::scoped_connection _playlist_content_not_changed_connection;
+       boost::signals2::scoped_connection _playlist_change_connection;
+       boost::signals2::scoped_connection _playlist_content_change_connection;
 };
 
 #endif