X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplayer.h;h=6e70ad707cf79052cd24a64cbc0c1344020a2e1c;hb=79a871ea740509ff2fa540ca715375e0ba1c4ad9;hp=b6fb41f6e9eae15f04e58720ec4e9b2a5ace6847;hpb=fd040c2bd27fde35424a384174ecb56c643764cd;p=dcpomatic.git

diff --git a/src/lib/player.h b/src/lib/player.h
index b6fb41f6e..6e70ad707 100644
--- a/src/lib/player.h
+++ b/src/lib/player.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -23,69 +23,117 @@
 #include <list>
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
-#include "video_source.h"
-#include "audio_source.h"
-#include "video_sink.h"
-#include "audio_sink.h"
+#include "playlist.h"
+#include "content.h"
+#include "film.h"
+#include "rect.h"
+#include "audio_merger.h"
+#include "audio_content.h"
+#include "piece.h"
+#include "subtitle.h"
 
-class VideoDecoder;
-class AudioDecoder;
 class Job;
 class Film;
 class Playlist;
 class AudioContent;
-
+class Piece;
+class Image;
+class Resampler;
+class PlayerVideoFrame;
+class ImageProxy;
+ 
 /** @class Player
  *  @brief A class which can `play' a Playlist; emitting its audio and video.
  */
- 
-class Player : public TimedVideoSource, public TimedAudioSource, public TimedVideoSink, public boost::enable_shared_from_this<Player>
+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 ();
-	void disable_subtitles ();
 
 	bool pass ();
-	bool seek (double);
-	void seek_back ();
-	void seek_forward ();
+	void seek (Time, bool);
+
+	Time video_position () const {
+		return _video_position;
+	}
+
+	void set_video_container_size (libdcp::Size);
 
-	double last_video_time () const;
+	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;
+	
+	/** 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.
+	 *
+	 *  The parameter is true if these signals are currently likely to be frequent.
+	 */
+	boost::signals2::signal<void (bool)> Changed;
 
 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);
-	void setup_decoders ();
+	friend class PlayerWrapper;
+	friend class Piece;
+
+	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, bool);
+	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);
+	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 ();
 
 	boost::shared_ptr<const Film> _film;
 	boost::shared_ptr<const Playlist> _playlist;
 	
 	bool _video;
 	bool _audio;
-	bool _subtitles;
-
-	/** 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;
+
+	/** 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
+
+	bool _last_emit_was_black;
+
+	IncomingVideo _last_incoming_video;
+
+	boost::signals2::scoped_connection _playlist_changed_connection;
+	boost::signals2::scoped_connection _playlist_content_changed_connection;
+	boost::signals2::scoped_connection _film_changed_connection;
 };
 
 #endif