/*
- 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
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include "playlist.h"
-#include "audio_buffers.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 Job;
class Film;
class Image;
class Resampler;
+/** A wrapper for an Image which contains some pending operations; these may
+ * not be necessary if the receiver of the PlayerImage throws it away.
+ */
+class PlayerImage
+{
+public:
+ PlayerImage (boost::shared_ptr<const Image>, Crop, libdcp::Size, libdcp::Size, Scaler const *);
+
+ void set_subtitle (boost::shared_ptr<const Image>, Position<int>);
+
+ boost::shared_ptr<Image> image ();
+
+private:
+ boost::shared_ptr<const Image> _in;
+ Crop _crop;
+ libdcp::Size _inter_size;
+ libdcp::Size _out_size;
+ Scaler const * _scaler;
+ boost::shared_ptr<const Image> _subtitle_image;
+ Position<int> _subtitle_position;
+};
+
/** @class Player
* @brief A class which can `play' a Playlist; emitting its audio and video.
*/
-
-class Player : 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 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 image is the same as the last one that was emitted.
- * Third parameter is the time.
+ * Second parameter is the eye(s) that should see this image.
+ * Third parameter is the colour conversion that should be used for this image.
+ * Fourth parameter is true if the image is the same as the last one that was emitted.
+ * Fifth parameter is the time.
*/
- boost::signals2::signal<void (boost::shared_ptr<const Image>, bool, Time)> Video;
+ boost::signals2::signal<void (boost::shared_ptr<PlayerImage>, Eyes, ColourConversion, 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 ()> Changed;
+ boost::signals2::signal<void (bool)> Changed;
private:
+ friend class PlayerWrapper;
+ friend class Piece;
- void process_video (boost::weak_ptr<Piece>, boost::shared_ptr<const Image>, bool, VideoContent::Frame);
+ void process_video (boost::weak_ptr<Piece>, boost::shared_ptr<const Image>, Eyes, 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);
+ 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>);
+ boost::shared_ptr<Resampler> resampler (boost::shared_ptr<AudioContent>, bool);
void film_changed (Film::Property);
void update_subtitle ();
/** The time after the last audio that we emitted */
Time _audio_position;
- AudioBuffers _audio_buffers;
+ AudioMerger<Time, AudioContent::Frame> _audio_merger;
libdcp::Size _video_container_size;
- boost::shared_ptr<Image> _black_frame;
+ boost::shared_ptr<PlayerImage> _black_frame;
std::map<boost::shared_ptr<AudioContent>, boost::shared_ptr<Resampler> > _resamplers;
- struct {
- boost::weak_ptr<Piece> piece;
- boost::shared_ptr<Image> image;
- dcpomatic::Rect<double> rect;
- Time from;
- Time to;
- } _in_subtitle;
-
- struct {
- boost::shared_ptr<Image> image;
- Position<int> position;
- Time from;
- Time to;
- } _out_subtitle;
+ 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