-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
/*
- 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 <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_content.h"
+#include "dcpomatic_time.h"
+#include "content_subtitle.h"
+#include "position_image.h"
+#include "piece.h"
class Job;
class Film;
class Playlist;
class AudioContent;
class Piece;
+class Image;
+class DCPVideo;
+class Decoder;
+
+class PlayerStatistics
+{
+public:
+ struct Video {
+ Video ()
+ : black (0)
+ , repeat (0)
+ , good (0)
+ , skip (0)
+ {}
+
+ int black;
+ int repeat;
+ int good;
+ int skip;
+ } video;
+
+ struct Audio {
+ Audio ()
+ : silence (0)
+ , good (0)
+ , skip (0)
+ {}
+
+ DCPTime silence;
+ int64_t good;
+ int64_t skip;
+ } audio;
+
+ void dump (boost::shared_ptr<Log>) const;
+};
+
+/** 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, dcp::Size, dcp::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;
+ dcp::Size _inter_size;
+ dcp::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.
+ * @brief A class which can `play' a Playlist.
*/
-
-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 ();
+ boost::shared_ptr<DCPVideo> get_video (DCPTime time, bool accurate);
+ boost::shared_ptr<AudioBuffers> get_audio (DCPTime time, DCPTime length, bool accurate);
- /** @return position that we are at; ie the time of the next thing we will emit on pass() */
- Time position () const {
- return _position;
+ void set_video_container_size (dcp::Size);
+ void set_approximate_size ();
+ void set_burn_subtitles (bool burn) {
+ _burn_subtitles = burn;
}
- void set_video_container_size (libdcp::Size);
+ PlayerStatistics const & statistics () const;
+
+ /** 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 setup_pieces ();
void playlist_changed ();
- void content_changed (boost::weak_ptr<Content>, int);
- void do_seek (Time, bool);
- void add_black_piece (Time, Time);
- void add_silent_piece (Time, Time);
+ void content_changed (boost::weak_ptr<Content>, int, bool);
void flush ();
-
+ void film_changed (Film::Property);
+ std::list<PositionImage> process_content_image_subtitles (
+ boost::shared_ptr<SubtitleContent>, std::list<boost::shared_ptr<ContentImageSubtitle> >
+ );
+ std::list<PositionImage> process_content_text_subtitles (std::list<boost::shared_ptr<ContentTextSubtitle> >);
+ void update_subtitle_from_text ();
+ VideoFrame dcp_to_content_video (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+ AudioFrame dcp_to_content_audio (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+ ContentTime dcp_to_content_subtitle (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+ boost::shared_ptr<DCPVideo> black_dcp_video (DCPTime) const;
+
+ template<class C>
+ std::list<boost::shared_ptr<Piece> >
+ overlaps (DCPTime t)
+ {
+ std::list<boost::shared_ptr<Piece> > overlaps;
+ for (typename std::list<boost::shared_ptr<Piece> >::const_iterator i = _pieces.begin(); i != _pieces.end(); ++i) {
+ if (boost::dynamic_pointer_cast<C> ((*i)->content) && (*i)->content->position() <= t && t < (*i)->content->end()) {
+ overlaps.push_back (*i);
+ }
+ }
+
+ return overlaps;
+ }
+
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;
- boost::optional<libdcp::Size> _video_container_size;
+
+ dcp::Size _video_container_size;
+ boost::shared_ptr<Image> _black_image;
+
+ bool _approximate_size;
+ bool _burn_subtitles;
+
+ PlayerStatistics _statistics;
+
+ 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