Merge master.
[dcpomatic.git] / src / lib / player.h
index bf6260c0a912260d71a7203a0a6f845e20182db2..a96c93404e171276b7a00e0e3fdb44cb048bfba2 100644 (file)
 #include "content.h"
 #include "film.h"
 #include "rect.h"
-#include "audio_merger.h"
 #include "audio_content.h"
+#include "dcpomatic_time.h"
+#include "content_subtitle.h"
+#include "position_image.h"
 #include "piece.h"
-#include "subtitle.h"
+#include "content_video.h"
 
 class Job;
 class Film;
@@ -38,42 +40,62 @@ class Playlist;
 class AudioContent;
 class Piece;
 class Image;
+class Decoder;
 class Resampler;
 class PlayerVideoFrame;
 class ImageProxy;
  
+class PlayerStatistics
+{
+public:
+       struct Video {
+               Video ()
+                       : black (0)
+                       , repeat (0)
+                       , good (0)
+                       , skip (0)
+               {}
+               
+               int black;
+               int repeat;
+               int good;
+               int skip;
+       } video;
+
+       struct Audio {
+               Audio ()
+                       : silence (0)
+                       , good (0)
+                       , skip (0)
+               {}
+               
+               DCPTime silence;
+               int64_t good;
+               int64_t skip;
+       } audio;
+
+       void dump (boost::shared_ptr<Log>) const;
+};
+
 /** @class Player
- *  @brief A class which can `play' a Playlist; emitting its audio and video.
+ *  @brief A class which can `play' a Playlist.
  */
 class Player : public boost::enable_shared_from_this<Player>, public boost::noncopyable
 {
 public:
        Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
 
-       void disable_video ();
-       void disable_audio ();
-
-       bool pass ();
-       void seek (Time, bool);
+       std::list<boost::shared_ptr<PlayerVideoFrame> > get_video (DCPTime time, bool accurate);
+       boost::shared_ptr<AudioBuffers> get_audio (DCPTime time, DCPTime length, bool accurate);
 
-       Time video_position () const {
-               return _video_position;
+       void set_video_container_size (dcp::Size);
+       void set_approximate_size ();
+       void set_burn_subtitles (bool burn) {
+               _burn_subtitles = burn;
        }
 
-       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;
+       PlayerStatistics const & statistics () const;
        
-       /** 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.
@@ -85,51 +107,67 @@ public:
 private:
        friend class PlayerWrapper;
        friend class Piece;
+       friend class player_overlaps_test;
 
-       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);
-       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, bool);
-       void do_seek (Time, bool);
        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 ();
-
+       std::list<PositionImage> process_content_image_subtitles (
+               boost::shared_ptr<SubtitleContent>, std::list<boost::shared_ptr<ContentImageSubtitle> >
+               ) const;
+       std::list<PositionImage> process_content_text_subtitles (std::list<boost::shared_ptr<ContentTextSubtitle> >) const;
+       void update_subtitle_from_text ();
+       VideoFrame dcp_to_content_video (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+       AudioFrame dcp_to_content_audio (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+       ContentTime dcp_to_content_subtitle (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+       boost::shared_ptr<PlayerVideoFrame> black_player_video_frame () const;
+       boost::shared_ptr<PlayerVideoFrame> content_to_player_video_frame (
+               boost::shared_ptr<VideoContent> content,
+               ContentVideo content_video,
+               std::list<boost::shared_ptr<Piece> > subs,
+               DCPTime time,
+               dcp::Size image_size
+               ) const;
+
+       /** @return Pieces of content type C that overlap a specified time range in the DCP */
+       template<class C>
+       std::list<boost::shared_ptr<Piece> >
+       overlaps (DCPTime from, DCPTime to)
+       {
+               if (!_have_valid_pieces) {
+                       setup_pieces ();
+               }
+
+               std::list<boost::shared_ptr<Piece> > overlaps;
+               for (typename std::list<boost::shared_ptr<Piece> >::const_iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
+                       if (!boost::dynamic_pointer_cast<C> ((*i)->content)) {
+                               continue;
+                       }
+
+                       if ((*i)->content->position() <= to && (*i)->content->end() >= from) {
+                               overlaps.push_back (*i);
+                       }
+               }
+               
+               return overlaps;
+       }
+       
        boost::shared_ptr<const Film> _film;
        boost::shared_ptr<const Playlist> _playlist;
-       
-       bool _video;
-       bool _audio;
 
        /** 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;
 
-       /** 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
+       dcp::Size _video_container_size;
+       boost::shared_ptr<Image> _black_image;
 
-       bool _last_emit_was_black;
+       bool _approximate_size;
+       bool _burn_subtitles;
 
-       IncomingVideo _last_incoming_video;
+       PlayerStatistics _statistics;
 
        boost::signals2::scoped_connection _playlist_changed_connection;
        boost::signals2::scoped_connection _playlist_content_changed_connection;