Make the _film member of Player a weak_ptr.
[dcpomatic.git] / src / lib / player.h
index 5abd59de26a8c8fbda3940bde6d05a67077fbab1..6e83da103df66d8444171025230c8912dc59e702 100644 (file)
@@ -32,6 +32,7 @@
 #include "content_text.h"
 #include "content_video.h"
 #include "empty.h"
+#include "enum_indexed_vector.h"
 #include "film.h"
 #include "image.h"
 #include "player_text.h"
@@ -62,6 +63,11 @@ public:
        static int const FILM_VIDEO_FRAME_RATE;
        static int const DCP_DECODE_REDUCTION;
        static int const PLAYBACK_LENGTH;
+       static int const IGNORE_VIDEO;
+       static int const IGNORE_AUDIO;
+       static int const IGNORE_TEXT;
+       static int const ALWAYS_BURN_OPEN_SUBTITLES;
+       static int const PLAY_REFERENCED;
 };
 
 
@@ -98,6 +104,12 @@ public:
        boost::optional<dcpomatic::DCPTime> content_time_to_dcp (std::shared_ptr<const Content> content, dcpomatic::ContentTime t) const;
        boost::optional<dcpomatic::ContentTime> dcp_to_content_time (std::shared_ptr<const Content> content, dcpomatic::DCPTime t) const;
 
+       void signal_change(ChangeType type, int property);
+
+       /** First parameter is PENDING, DONE or CANCELLED.
+        *  Second parameter is the property.
+        *  Third parameter is true if these signals are currently likely to be frequent.
+        */
        boost::signals2::signal<void (ChangeType, int, bool)> Change;
 
        /** Emitted when a video frame is ready.  These emissions happen in the correct order. */
@@ -155,13 +167,13 @@ private:
        void emit_audio (std::shared_ptr<AudioBuffers> data, dcpomatic::DCPTime time);
        std::shared_ptr<const Playlist> playlist () const;
 
-       /** Mutex to protect the whole Player state.  When it's used for the preview we have
+       /** Mutex to protect the most of the Player state.  When it's used for the preview we have
            seek() and pass() called from the Butler thread and lots of other stuff called
            from the GUI thread.
        */
        mutable boost::mutex _mutex;
 
-       std::shared_ptr<const Film> const _film;
+       std::weak_ptr<const Film> const _film;
        /** Playlist, or 0 if we are using the one from the _film */
        std::shared_ptr<const Playlist> const _playlist;
 
@@ -173,7 +185,8 @@ private:
         *  the size of preview in a window.
         */
        boost::atomic<dcp::Size> _video_container_size;
-       /** Should be accessed using the std::atomic... methods */
+
+       mutable boost::mutex _black_image_mutex;
        std::shared_ptr<Image> _black_image;
 
        /** true if the player should ignore all video; i.e. never produce any */
@@ -223,7 +236,7 @@ private:
        Empty _black;
        Empty _silent;
 
-       ActiveText _active_texts[static_cast<int>(TextType::COUNT)];
+       EnumIndexedVector<ActiveText, TextType> _active_texts;
        std::shared_ptr<AudioProcessor> _audio_processor;
 
        boost::atomic<dcpomatic::DCPTime> _playback_length;