/*
- Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
#define DCPOMATIC_PLAYER_H
#include "player_subtitles.h"
+#include "active_subtitles.h"
#include "film.h"
#include "content.h"
#include "position_image.h"
#include "content_video.h"
#include "content_audio.h"
#include "content_subtitle.h"
+#include "audio_stream.h"
+#include "audio_merger.h"
+#include "empty.h"
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <list>
class Font;
class AudioBuffers;
class ReferencedReelAsset;
+class Shuffler;
/** @class Player
* @brief A class which can `play' a Playlist.
{
public:
Player (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist> playlist);
+ ~Player ();
bool pass ();
void seek (DCPTime time, bool accurate);
void set_video_container_size (dcp::Size);
void set_ignore_video ();
- void set_ignore_audio ();
- void set_enable_subtitles (bool enable);
+ void set_ignore_subtitle ();
void set_always_burn_subtitles (bool burn);
void set_fast ();
void set_play_referenced ();
+ void set_dcp_decode_reduction (boost::optional<int> reduction);
/** 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
*/
boost::signals2::signal<void (bool)> Changed;
- boost::signals2::signal<void (boost::shared_ptr<PlayerVideo>)> Video;
+ /** Emitted when a video frame is ready. These emissions happen in the correct order. */
+ boost::signals2::signal<void (boost::shared_ptr<PlayerVideo>, DCPTime)> Video;
boost::signals2::signal<void (boost::shared_ptr<AudioBuffers>, DCPTime)> Audio;
- boost::signals2::signal<void (PlayerSubtitles)> Subtitle;
+ /** Emitted when a subtitle is ready. This signal may be emitted considerably
+ * after the corresponding Video.
+ */
+ boost::signals2::signal<void (PlayerSubtitles, DCPTimePeriod)> Subtitle;
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;
+ friend struct player_subframe_test;
void setup_pieces ();
void flush ();
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;
- DCPTime content_subtitle_to_dcp (boost::shared_ptr<const Piece> piece, ContentTime t) const;
- boost::shared_ptr<PlayerVideo> black_player_video_frame (DCPTime) const;
- std::list<boost::shared_ptr<Piece> > overlaps (DCPTime from, DCPTime to, boost::function<bool (Content *)> valid);
+ DCPTime resampled_audio_to_dcp (boost::shared_ptr<const Piece> piece, Frame f) const;
+ ContentTime dcp_to_content_time (boost::shared_ptr<const Piece> piece, DCPTime t) const;
+ DCPTime content_time_to_dcp (boost::shared_ptr<const Piece> piece, ContentTime t) const;
+ boost::shared_ptr<PlayerVideo> black_player_video_frame (Eyes eyes) const;
void video (boost::weak_ptr<Piece>, ContentVideo);
- void audio (boost::weak_ptr<Piece>, ContentAudio);
- void image_subtitle (boost::weak_ptr<Piece>, ContentImageSubtitle);
- void text_subtitle (boost::weak_ptr<Piece>, ContentTextSubtitle);
+ void audio (boost::weak_ptr<Piece>, AudioStreamPtr, ContentAudio);
+ void image_subtitle_start (boost::weak_ptr<Piece>, ContentImageSubtitle);
+ void text_subtitle_start (boost::weak_ptr<Piece>, ContentTextSubtitle);
+ void subtitle_stop (boost::weak_ptr<Piece>, ContentTime);
+ DCPTime one_video_frame () const;
+ void fill_audio (DCPTimePeriod period);
+ std::pair<boost::shared_ptr<AudioBuffers>, DCPTime> discard_audio (
+ boost::shared_ptr<const AudioBuffers> audio, DCPTime time, DCPTime discard_to
+ ) const;
+ boost::optional<PositionImage> subtitles_for_frame (DCPTime time) const;
+ void emit_video (boost::shared_ptr<PlayerVideo> pv, DCPTime time);
+ void emit_audio (boost::shared_ptr<AudioBuffers> data, DCPTime time);
boost::shared_ptr<const Film> _film;
boost::shared_ptr<const Playlist> _playlist;
/** 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;
+ bool _ignore_subtitle;
/** true if the player should always burn subtitles into the video regardless
of content settings
*/
/** true if we should `play' (i.e output) referenced DCP data (e.g. for preview) */
bool _play_referenced;
- DCPTime _last_video;
+ /** Time just after the last video frame we emitted, or the time of the last accurate seek */
+ boost::optional<DCPTime> _last_video_time;
+ boost::optional<Eyes> _last_video_eyes;
+ /** Time just after the last audio frame we emitted, or the time of the last accurate seek */
+ boost::optional<DCPTime> _last_audio_time;
+
+ boost::optional<int> _dcp_decode_reduction;
+
+ typedef std::map<boost::weak_ptr<Piece>, boost::shared_ptr<PlayerVideo> > LastVideoMap;
+ LastVideoMap _last_video;
+
+ AudioMerger _audio_merger;
+ Shuffler* _shuffler;
+
+ class StreamState
+ {
+ public:
+ StreamState () {}
+
+ StreamState (boost::shared_ptr<Piece> p, DCPTime l)
+ : piece(p)
+ , last_push_end(l)
+ {}
+
+ boost::shared_ptr<Piece> piece;
+ DCPTime last_push_end;
+ };
+ std::map<AudioStreamPtr, StreamState> _stream_states;
+
+ Empty _black;
+ Empty _silent;
+ ActiveSubtitles _active_subtitles;
boost::shared_ptr<AudioProcessor> _audio_processor;
boost::signals2::scoped_connection _film_changed_connection;