/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2015 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
#ifndef DCPOMATIC_PLAYER_H
#define DCPOMATIC_PLAYER_H
-#include <list>
-#include <boost/shared_ptr.hpp>
-#include <boost/enable_shared_from_this.hpp>
-#include "playlist.h"
-#include "content.h"
+#include "player_subtitles.h"
#include "film.h"
-#include "rect.h"
-#include "audio_merger.h"
-#include "audio_content.h"
+#include "content.h"
+#include "position_image.h"
#include "piece.h"
+#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include <list>
-class Job;
-class Film;
-class Playlist;
-class AudioContent;
-class Piece;
-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 *);
+namespace dcp {
+ class ReelAsset;
+}
- void set_subtitle (boost::shared_ptr<const Image>, Position<int>);
-
- boost::shared_ptr<Image> image ();
+class PlayerVideo;
+class Playlist;
+class Font;
+class AudioBuffers;
-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.
+ * @brief A class which can `play' a Playlist.
*/
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 ();
-
- bool pass ();
- void seek (Time, bool);
-
- 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;
+ Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist> playlist);
+
+ std::list<boost::shared_ptr<PlayerVideo> > get_video (DCPTime time, bool accurate);
+ boost::shared_ptr<AudioBuffers> get_audio (DCPTime time, DCPTime length, bool accurate);
+ PlayerSubtitles get_subtitles (DCPTime time, DCPTime length, bool starting, bool burnt);
+ std::list<boost::shared_ptr<Font> > get_subtitle_fonts ();
+ std::list<boost::shared_ptr<dcp::ReelAsset> > get_reel_assets ();
+
+ void set_video_container_size (dcp::Size);
+ void set_ignore_video ();
+ void set_ignore_audio ();
+ void set_enable_subtitles (bool enable);
+ void set_always_burn_subtitles (bool burn);
+ void set_fast ();
+ void set_play_referenced ();
/** 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
private:
friend class PlayerWrapper;
friend class Piece;
+ friend struct player_overlaps_test;
+ friend struct player_time_calculation_test1;
+ friend struct player_time_calculation_test2;
+ friend struct player_time_calculation_test3;
- 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, 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 ();
+ void playlist_changed ();
+ void playlist_content_changed (boost::weak_ptr<Content>, int, bool);
+ std::list<PositionImage> transform_image_subtitles (std::list<ImageSubtitle>) const;
+ void update_subtitle_from_text ();
+ Frame dcp_to_content_video (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+ DCPTime content_video_to_dcp (boost::shared_ptr<const Piece> piece, Frame f) const;
+ Frame dcp_to_resampled_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<PlayerVideo> black_player_video_frame (DCPTime) const;
+
+ /** @return Pieces of content type C that overlap a specified time range in the DCP */
+ template<class C>
+ std::list<boost::shared_ptr<Piece> >
+ overlaps (DCPTime from, DCPTime to)
+ {
+ if (!_have_valid_pieces) {
+ setup_pieces ();
+ }
+
+ 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)) {
+ continue;
+ }
+
+ if ((*i)->content->position() <= to && (*i)->content->end() >= from) {
+ overlaps.push_back (*i);
+ }
+ }
+
+ return overlaps;
+ }
boost::shared_ptr<const Film> _film;
boost::shared_ptr<const Playlist> _playlist;
-
- bool _video;
- bool _audio;
/** 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<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;
+ /** Size of the image in the DCP (e.g. 1990x1080 for flat) */
+ dcp::Size _video_container_size;
+ boost::shared_ptr<Image> _black_image;
+
+ /** true if the player should ignore all video; i.e. never produce any */
+ bool _ignore_video;
+ /** true if the player should ignore all audio; i.e. never produce any */
+ bool _ignore_audio;
+ /** true if the player should always burn subtitles into the video regardless
+ of content settings
+ */
+ bool _always_burn_subtitles;
+ /** true if we should try to be fast rather than high quality */
+ bool _fast;
+ /** true if we should `play' (i.e output) referenced DCP data (e.g. for preview) */
+ bool _play_referenced;
+
+ boost::shared_ptr<AudioProcessor> _audio_processor;
+ boost::signals2::scoped_connection _film_changed_connection;
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