Fix pull timing; fix units of ReelWriter::total_written_audio_frames.
[dcpomatic.git] / src / lib / player.h
index 940c3f51611f3e113748709dcd038c66419a1e32..69149d0393aefe2b8863eca73f0661fe8d34f37f 100644 (file)
 #include "content.h"
 #include "position_image.h"
 #include "piece.h"
+#include "content_video.h"
+#include "content_audio.h"
+#include "content_subtitle.h"
+#include "audio_stream.h"
+#include "audio_merger.h"
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
 #include <list>
@@ -39,6 +44,7 @@ class Playlist;
 class Font;
 class AudioBuffers;
 class ReferencedReelAsset;
+class Resampler;
 
 /** @class Player
  *  @brief A class which can `play' a Playlist.
@@ -48,9 +54,9 @@ class Player : public boost::enable_shared_from_this<Player>, public boost::nonc
 public:
        Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist> playlist);
 
-       std::list<boost::shared_ptr<PlayerVideo> > get_video (DCPTime time, bool accurate);
-       boost::shared_ptr<AudioBuffers> get_audio (DCPTime time, DCPTime length, bool accurate);
-       PlayerSubtitles get_subtitles (DCPTime time, DCPTime length, bool starting, bool burnt, bool accurate);
+       bool pass ();
+       void seek (DCPTime time, bool accurate);
+
        std::list<boost::shared_ptr<Font> > get_subtitle_fonts ();
        std::list<ReferencedReelAsset> get_reel_assets ();
 
@@ -70,6 +76,10 @@ public:
         */
        boost::signals2::signal<void (bool)> Changed;
 
+       boost::signals2::signal<void (boost::shared_ptr<PlayerVideo>, DCPTime)> Video;
+       boost::signals2::signal<void (boost::shared_ptr<AudioBuffers>, DCPTime)> Audio;
+       boost::signals2::signal<void (PlayerSubtitles, DCPTimePeriod)> Subtitle;
+
 private:
        friend class PlayerWrapper;
        friend class Piece;
@@ -84,14 +94,19 @@ private:
        void playlist_changed ();
        void playlist_content_changed (boost::weak_ptr<Content>, int, bool);
        std::list<PositionImage> transform_image_subtitles (std::list<ImageSubtitle>) const;
-       void update_subtitle_from_text ();
        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;
-       ContentTime dcp_to_content_subtitle (boost::shared_ptr<const Piece> piece, DCPTime t) const;
-       DCPTime content_subtitle_to_dcp (boost::shared_ptr<const Piece> piece, ContentTime t) const;
-       boost::shared_ptr<PlayerVideo> black_player_video_frame (DCPTime) const;
+       DCPTime resampled_audio_to_dcp (boost::shared_ptr<const Piece> piece, Frame f) const;
+       ContentTime dcp_to_content_time (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+       DCPTime content_time_to_dcp (boost::shared_ptr<const Piece> piece, ContentTime t) const;
+       boost::shared_ptr<PlayerVideo> black_player_video_frame () const;
        std::list<boost::shared_ptr<Piece> > overlaps (DCPTime from, DCPTime to, boost::function<bool (Content *)> valid);
+       void video (boost::weak_ptr<Piece>, ContentVideo);
+       void audio (boost::weak_ptr<Piece>, AudioStreamPtr, ContentAudio);
+       void image_subtitle (boost::weak_ptr<Piece>, ContentImageSubtitle);
+       void text_subtitle (boost::weak_ptr<Piece>, ContentTextSubtitle);
+       boost::shared_ptr<Resampler> resampler (boost::shared_ptr<const AudioContent> content, AudioStreamPtr stream, bool create);
 
        boost::shared_ptr<const Film> _film;
        boost::shared_ptr<const Playlist> _playlist;
@@ -117,7 +132,33 @@ private:
        /** true if we should `play' (i.e output) referenced DCP data (e.g. for preview) */
        bool _play_referenced;
 
+       /** Last PlayerVideo that was emitted */
+       boost::shared_ptr<PlayerVideo> _last_video;
+       /** Time of the last thing we emitted, or the last seek time */
+       boost::optional<DCPTime> _last_time;
+
+       AudioMerger _audio_merger;
+       DCPTime _last_audio_time;
+
+       class StreamState {
+       public:
+               StreamState () {}
+
+               StreamState (boost::shared_ptr<Piece> p, DCPTime l)
+                       : piece(p)
+                       , last_push_end(l)
+               {}
+
+               boost::shared_ptr<Piece> piece;
+               DCPTime last_push_end;
+       };
+       std::map<AudioStreamPtr, StreamState> _stream_states;
+
+       std::list<std::pair<PlayerSubtitles, DCPTimePeriod> > _subtitles;
+
        boost::shared_ptr<AudioProcessor> _audio_processor;
+       typedef std::map<std::pair<boost::shared_ptr<const AudioContent>, AudioStreamPtr>, boost::shared_ptr<Resampler> > ResamplerMap;
+       ResamplerMap _resamplers;
 
        boost::signals2::scoped_connection _film_changed_connection;
        boost::signals2::scoped_connection _playlist_changed_connection;