Various incomplete hacks on regions / audio mapping.
[dcpomatic.git] / src / lib / player.h
index b1be2f456ccb98998ef97785c3dd2209cfdd895e..4979778ede20425c8cb3040bc944129c27650ded 100644 (file)
@@ -1,3 +1,5 @@
+/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
+
 /*
     Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
 
 #include "audio_source.h"
 #include "video_sink.h"
 #include "audio_sink.h"
+#include "playlist.h"
+#include "audio_buffers.h"
 
-class VideoDecoder;
-class AudioDecoder;
 class Job;
 class Film;
 class Playlist;
 class AudioContent;
+class Decoder;
 
 /** @class Player
  *  @brief A class which can `play' a Playlist; emitting its audio and video.
  */
  
-class Player : public VideoSource, public AudioSource, public VideoSink, public boost::enable_shared_from_this<Player>
+class Player : public VideoSource, public AudioSource, public boost::enable_shared_from_this<Player>
 {
 public:
        Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>);
@@ -49,18 +52,34 @@ public:
        void disable_subtitles ();
 
        bool pass ();
-       bool seek (double);
+       bool seek (Time);
        void seek_back ();
        void seek_forward ();
 
-       double last_video_time () const;
+       Time last_video () const {
+               return _last_video;
+       }
 
 private:
-       void process_video (boost::shared_ptr<const Image> i, bool same, boost::shared_ptr<Subtitle> s, double);
-       void process_audio (boost::weak_ptr<const AudioContent>, boost::shared_ptr<const AudioBuffers>, double);
+
+       struct RegionDecoder
+       {
+               RegionDecoder ()
+                       : last (0)
+               {}
+               
+               boost::shared_ptr<Playlist::Region> region;
+               boost::shared_ptr<Decoder> decoder;
+               Time last;
+       };
+       
+       void process_video (boost::shared_ptr<RegionDecoder>, boost::shared_ptr<const Image>, bool, boost::shared_ptr<Subtitle>, Time);
+       void process_audio (boost::shared_ptr<RegionDecoder>, boost::shared_ptr<const AudioBuffers>, Time);
        void setup_decoders ();
        void playlist_changed ();
        void content_changed (boost::weak_ptr<Content>, int);
+       void emit_black_frame ();
+       void emit_silence (Time);
 
        boost::shared_ptr<const Film> _film;
        boost::shared_ptr<const Playlist> _playlist;
@@ -71,21 +90,13 @@ private:
 
        /** Our decoders are ready to go; if this is false the decoders must be (re-)created before they are used */
        bool _have_valid_decoders;
-       /** Video decoders in order of presentation */
-       std::vector<boost::shared_ptr<VideoDecoder> > _video_decoders;
-       /** Start positions of each video decoder in seconds*/
-       std::vector<double> _video_start;
-        /** Index of current video decoder */
-       size_t _video_decoder;
-        /** Audio decoders in order of presentation (if they are from FFmpeg) */
-       std::vector<boost::shared_ptr<AudioDecoder> > _audio_decoders;
-       /** Start positions of each audio decoder (if they are from FFmpeg) in seconds */
-       std::vector<double> _audio_start;
-       /** Current audio decoder index if we are running them sequentially; otherwise undefined */
-       size_t _sequential_audio_decoder;
-
-       boost::shared_ptr<AudioBuffers> _audio_buffers;
-       boost::optional<double> _audio_time;
+       std::list<boost::shared_ptr<RegionDecoder> > _decoders;
+
+       Time _position;
+       AudioBuffers _audio_buffers;
+       Time _last_video;
+       bool _last_was_black;
+       Time _last_audio;
 };
 
 #endif