Fix typo in log message.
[dcpomatic.git] / src / lib / player.h
index be8d556afae77be2b5c691e0cbdeefefebd089db..22701cb2ca452c486746f643063c7bb7affa1250 100644 (file)
 
 */
 
+
 #ifndef DCPOMATIC_PLAYER_H
 #define DCPOMATIC_PLAYER_H
 
-#include "atmos_metadata.h"
-#include "player_text.h"
+
 #include "active_text.h"
-#include "content_text.h"
-#include "film.h"
-#include "content.h"
+#include "atmos_metadata.h"
+#include "audio_merger.h"
+#include "audio_stream.h"
 #include "content_atmos.h"
-#include "position_image.h"
-#include "piece.h"
-#include "content_video.h"
 #include "content_audio.h"
-#include "audio_stream.h"
-#include "audio_merger.h"
+#include "content_text.h"
+#include "content_video.h"
 #include "empty.h"
+#include "film.h"
+#include "image.h"
+#include "player_text.h"
+#include "position_image.h"
+#include "shuffler.h"
 #include <boost/atomic.hpp>
 #include <list>
 
+
 namespace dcp {
        class ReelAsset;
 }
 
-namespace dcpomatic {
-       class FontData;
-}
-
 class AtmosContent;
+class AudioBuffers;
+class Content;
 class PlayerVideo;
 class Playlist;
-class AudioBuffers;
 class ReferencedReelAsset;
-class Shuffler;
+
 
 class PlayerProperty
 {
@@ -64,15 +64,15 @@ public:
        static int const PLAYBACK_LENGTH;
 };
 
+
 /** @class Player
  *  @brief A class which can play a Playlist.
  */
 class Player : public std::enable_shared_from_this<Player>
 {
 public:
-       Player (std::shared_ptr<const Film>);
+       Player (std::shared_ptr<const Film>, Image::Alignment subtitle_alignment);
        Player (std::shared_ptr<const Film>, std::shared_ptr<const Playlist> playlist);
-       ~Player ();
 
        Player (Player const& Player) = delete;
        Player& operator= (Player const& Player) = delete;
@@ -80,10 +80,9 @@ public:
        bool pass ();
        void seek (dcpomatic::DCPTime time, bool accurate);
 
-       std::vector<dcpomatic::FontData> get_subtitle_fonts ();
-       std::list<ReferencedReelAsset> get_reel_assets ();
+       std::vector<std::shared_ptr<dcpomatic::Font>> get_subtitle_fonts ();
+
        dcp::Size video_container_size () const {
-               boost::mutex::scoped_lock lm (_mutex);
                return _video_container_size;
        }
 
@@ -96,12 +95,16 @@ public:
        void set_play_referenced ();
        void set_dcp_decode_reduction (boost::optional<int> reduction);
 
-       boost::optional<dcpomatic::DCPTime> content_time_to_dcp (std::shared_ptr<Content> content, dcpomatic::ContentTime t);
+       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;
 
        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 (std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime)> Video;
+       /** Emitted when audio data is ready.  First parameter is the audio data, second its time,
+        *  third the frame rate.
+        */
        boost::signals2::signal<void (std::shared_ptr<AudioBuffers>, dcpomatic::DCPTime, int)> Audio;
        /** Emitted when a text is ready.  This signal may be emitted considerably
         *  after the corresponding Video.
@@ -123,8 +126,6 @@ private:
 
        void construct ();
        void setup_pieces ();
-       void setup_pieces_unlocked ();
-       void flush ();
        void film_change (ChangeType, Film::Property);
        void playlist_change (ChangeType);
        void playlist_content_change (ChangeType, int, bool);
@@ -154,53 +155,56 @@ 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> _film;
+       std::shared_ptr<const Film> const _film;
        /** Playlist, or 0 if we are using the one from the _film */
-       std::shared_ptr<const Playlist> _playlist;
+       std::shared_ptr<const Playlist> const _playlist;
 
        /** > 0 if we are suspended (i.e. pass() and seek() do nothing) */
        boost::atomic<int> _suspended;
-       std::list<std::shared_ptr<Piece> > _pieces;
+       std::list<std::shared_ptr<Piece>> _pieces;
 
        /** Size of the image we are rendering to; this may be the DCP frame size, or
         *  the size of preview in a window.
         */
-       dcp::Size _video_container_size;
+       boost::atomic<dcp::Size> _video_container_size;
+
+       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 */
-       bool _ignore_video = false;
-       bool _ignore_audio = false;
+       boost::atomic<bool> _ignore_video;
+       boost::atomic<bool> _ignore_audio;
        /** true if the player should ignore all text; i.e. never produce any */
-       bool _ignore_text = false;
-       bool _always_burn_open_subtitles = false;
+       boost::atomic<bool> _ignore_text;
+       boost::atomic<bool> _always_burn_open_subtitles;
        /** true if we should try to be fast rather than high quality */
-       bool _fast = false;
+       boost::atomic<bool> _fast;
        /** true if we should keep going in the face of `survivable' errors */
-       bool _tolerant = false;
+       bool const _tolerant;
        /** true if we should `play' (i.e output) referenced DCP data (e.g. for preview) */
-       bool _play_referenced = false;
+       boost::atomic<bool> _play_referenced;
 
-       /** Time just after the last video frame we emitted, or the time of the last accurate seek */
-       boost::optional<dcpomatic::DCPTime> _last_video_time;
-       boost::optional<Eyes> _last_video_eyes;
-       /** Time just after the last audio frame we emitted, or the time of the last accurate seek */
-       boost::optional<dcpomatic::DCPTime> _last_audio_time;
+       /** Time of the next video that we will emit, or the time of the last accurate seek */
+       boost::optional<dcpomatic::DCPTime> _next_video_time;
+       /** Eyes of the next video that we will emit */
+       boost::optional<Eyes> _next_video_eyes;
+       /** Time of the next audio that we will emit, or the time of the last accurate seek */
+       boost::optional<dcpomatic::DCPTime> _next_audio_time;
 
-       boost::optional<int> _dcp_decode_reduction;
+       boost::atomic<boost::optional<int>> _dcp_decode_reduction;
 
        typedef std::map<std::weak_ptr<Piece>, std::shared_ptr<PlayerVideo>, std::owner_less<std::weak_ptr<Piece>>> LastVideoMap;
        LastVideoMap _last_video;
 
        AudioMerger _audio_merger;
-       Shuffler* _shuffler = nullptr;
-       std::list<std::pair<std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> > _delay;
+       std::unique_ptr<Shuffler> _shuffler;
+       std::list<std::pair<std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime>> _delay;
 
        class StreamState
        {
@@ -223,11 +227,15 @@ private:
        ActiveText _active_texts[static_cast<int>(TextType::COUNT)];
        std::shared_ptr<AudioProcessor> _audio_processor;
 
-       dcpomatic::DCPTime _playback_length;
+       boost::atomic<dcpomatic::DCPTime> _playback_length;
+
+       /** Alignment for subtitle images that we create */
+       Image::Alignment const _subtitle_alignment = Image::Alignment::PADDED;
 
        boost::signals2::scoped_connection _film_changed_connection;
        boost::signals2::scoped_connection _playlist_change_connection;
        boost::signals2::scoped_connection _playlist_content_change_connection;
 };
 
+
 #endif