-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
#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 "audio_buffers.h"
+#include "content.h"
+#include "film.h"
+#include "rect.h"
+#include "audio_merger.h"
+#include "audio_content.h"
class Job;
class Film;
class Playlist;
class AudioContent;
class Piece;
+class Image;
+class Resampler;
/** @class Player
* @brief A class which can `play' a Playlist; emitting its audio and video.
*/
+
+struct IncomingVideo
+{
+public:
+ boost::weak_ptr<Piece> weak_piece;
+ boost::shared_ptr<const Image> image;
+ Eyes eyes;
+ bool same;
+ VideoContent::Frame frame;
+ Time extra;
+};
+
+/** 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 : public VideoSource, public AudioSource, 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 ();
- void seek (Time);
- void seek_back ();
- void seek_forward ();
+ void seek (Time, bool);
- Time position () const {
- return _position;
+ Time video_position () const {
+ return _video_position;
}
+ 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 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<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 (bool)> Changed;
+
private:
+ friend class PlayerWrapper;
+ friend class Piece;
- void process_video (boost::weak_ptr<Content>, boost::shared_ptr<const Image>, bool, Time);
- void process_audio (boost::weak_ptr<Content>, boost::shared_ptr<const AudioBuffers>, Time);
+ 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 add_black_piece (Time, Time);
- void add_silent_piece (Time, Time);
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 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;
- Time _position;
- AudioBuffers _audio_buffers;
- Time _next_audio;
+
+ /** 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<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;
+
+#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
projects / dcpomatic.git / blobdiff