/*
- 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_content.h"
+#include "dcpomatic_time.h"
+#include "content_subtitle.h"
+#include "position_image.h"
class Job;
class Film;
class AudioContent;
class Piece;
class Image;
-class Resampler;
+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;
+};
+
+class Piece
+{
+public:
+ Piece (boost::shared_ptr<Content> c, boost::shared_ptr<Decoder> d, FrameRateChange f)
+ : content (c)
+ , decoder (d)
+ , frc (f)
+ {}
+
+ boost::shared_ptr<Content> content;
+ boost::shared_ptr<Decoder> decoder;
+ FrameRateChange frc;
+};
/** @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>
+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 ();
+ boost::shared_ptr<DCPVideo> get_video (DCPTime time, bool accurate);
+ boost::shared_ptr<AudioBuffers> get_audio (DCPTime time, DCPTime length, bool accurate);
- bool pass ();
- void seek (Time, bool);
-
- Time video_position () const {
- return _video_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);
-
- /** 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.
- */
- boost::signals2::signal<void (boost::shared_ptr<const Image>, bool, Time)> Video;
+ PlayerStatistics const & statistics () const;
- /** 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_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 do_seek (Time, bool);
+ void content_changed (boost::weak_ptr<Content>, int, bool);
void flush ();
- void emit_black ();
- void emit_silence (OutputAudioFrame);
- boost::shared_ptr<Resampler> resampler (boost::shared_ptr<AudioContent>);
void film_changed (Film::Property);
- void update_subtitle ();
-
+ 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;
+
+ 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;
/** 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;
-
- AudioBuffers _audio_buffers;
-
- libdcp::Size _video_container_size;
- boost::shared_ptr<Image> _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;
+ 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