X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplayer.h;h=f7ab1000d37f7392fed01187cdd6b776b414a4f1;hb=9a27d60ea7888d300a5a2414a477091428589b82;hp=d0d68c064a3eaf4198c785ae8b12e1dc667c37b6;hpb=e11276a822289d7d7d91a4f431f386ad28ef16dd;p=dcpomatic.git diff --git a/src/lib/player.h b/src/lib/player.h index d0d68c064..f7ab1000d 100644 --- a/src/lib/player.h +++ b/src/lib/player.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2013-2015 Carl Hetherington + Copyright (C) 2013-2018 Carl Hetherington This file is part of DCP-o-matic. @@ -21,16 +21,18 @@ #ifndef DCPOMATIC_PLAYER_H #define DCPOMATIC_PLAYER_H -#include "player_subtitles.h" +#include "player_text.h" +#include "active_text.h" +#include "content_text.h" #include "film.h" #include "content.h" #include "position_image.h" #include "piece.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 #include #include @@ -44,74 +46,123 @@ class Playlist; class Font; class AudioBuffers; class ReferencedReelAsset; +class Shuffler; + +class PlayerProperty +{ +public: + static int const VIDEO_CONTAINER_SIZE; + static int const PLAYLIST; + static int const FILM_CONTAINER; + static int const FILM_VIDEO_FRAME_RATE; + static int const DCP_DECODE_REDUCTION; +}; /** @class Player - * @brief A class which can `play' a Playlist. + * @brief A class which can play a Playlist. */ class Player : public boost::enable_shared_from_this, public boost::noncopyable { public: Player (boost::shared_ptr, boost::shared_ptr playlist); + ~Player (); bool pass (); void seek (DCPTime time, bool accurate); std::list > get_subtitle_fonts (); std::list get_reel_assets (); + dcp::Size video_container_size () const { + boost::mutex::scoped_lock lm (_mutex); + return _video_container_size; + } 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_ignore_text (); + void set_always_burn_open_subtitles (); void set_fast (); void set_play_referenced (); + void set_dcp_decode_reduction (boost::optional reduction); + + boost::optional content_time_to_dcp (boost::shared_ptr content, ContentTime t); - /** 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 player's internal state may be about to change such so + that its emissions from Video and Audio will suddenly be + from an undefined position. Listeners should prepare + themselves for this possibility. + */ + boost::signals2::signal MayChange; + + /** The player's internal state has now changed. * - * The parameter is true if these signals are currently likely to be frequent. + * The first parameter is what changed. + * The second parameter is true if these signals are currently likely to be frequent. */ - boost::signals2::signal Changed; + boost::signals2::signal Changed; - boost::signals2::signal)> Video; + /** The change suggested by a MayChange did not happen */ + boost::signals2::signal NotChanged; + + /** Emitted when a video frame is ready. These emissions happen in the correct order. */ + boost::signals2::signal, DCPTime)> Video; boost::signals2::signal, DCPTime)> Audio; - boost::signals2::signal Subtitle; + /** Emitted when a text is ready. This signal may be emitted considerably + * after the corresponding Video. + */ + boost::signals2::signal Text; 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 setup_pieces_unlocked (); void flush (); void film_changed (Film::Property); void playlist_changed (); + void playlist_content_may_change (); void playlist_content_changed (boost::weak_ptr, int, bool); - std::list transform_image_subtitles (std::list) const; - void update_subtitle_from_text (); + void playlist_content_not_changed (); + std::list transform_bitmap_texts (std::list) const; Frame dcp_to_content_video (boost::shared_ptr piece, DCPTime t) const; DCPTime content_video_to_dcp (boost::shared_ptr piece, Frame f) const; Frame dcp_to_resampled_audio (boost::shared_ptr piece, DCPTime t) const; DCPTime resampled_audio_to_dcp (boost::shared_ptr piece, Frame f) const; - ContentTime dcp_to_content_subtitle (boost::shared_ptr piece, DCPTime t) const; - DCPTime content_subtitle_to_dcp (boost::shared_ptr piece, ContentTime t) const; - boost::shared_ptr black_player_video_frame (DCPTime) const; - std::list > overlaps (DCPTime from, DCPTime to, boost::function valid); + ContentTime dcp_to_content_time (boost::shared_ptr piece, DCPTime t) const; + DCPTime content_time_to_dcp (boost::shared_ptr piece, ContentTime t) const; + boost::shared_ptr black_player_video_frame (Eyes eyes) const; void video (boost::weak_ptr, ContentVideo); void audio (boost::weak_ptr, AudioStreamPtr, ContentAudio); - void image_subtitle (boost::weak_ptr, ContentImageSubtitle); - void text_subtitle (boost::weak_ptr, ContentTextSubtitle); + void bitmap_text_start (boost::weak_ptr, boost::weak_ptr, ContentBitmapText); + void plain_text_start (boost::weak_ptr, boost::weak_ptr, ContentStringText); + void subtitle_stop (boost::weak_ptr, boost::weak_ptr, ContentTime, TextType); + DCPTime one_video_frame () const; + void fill_audio (DCPTimePeriod period); + std::pair, DCPTime> discard_audio ( + boost::shared_ptr audio, DCPTime time, DCPTime discard_to + ) const; + boost::optional open_subtitles_for_frame (DCPTime time) const; + void emit_video (boost::shared_ptr pv, DCPTime time); + void do_emit_video (boost::shared_ptr pv, DCPTime time); + void emit_audio (boost::shared_ptr data, DCPTime time); + + /** Mutex to protect the whole Player state. When it's used for the preview we have + seek() and pass() called from the Butler thread and lots of other stuff called + from the GUI thread. + */ + mutable boost::mutex _mutex; boost::shared_ptr _film; boost::shared_ptr _playlist; - /** Our pieces are ready to go; if this is false the pieces must be (re-)created before they are used */ - bool _have_valid_pieces; + /** true if we are suspended (i.e. pass() and seek() do nothing */ + bool _suspended; std::list > _pieces; /** Size of the image in the DCP (e.g. 1990x1080 for flat) */ @@ -120,27 +171,56 @@ private: /** 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 the player should ignore all text; i.e. never produce any */ + bool _ignore_text; + bool _always_burn_open_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 _last_video; - DCPTime _last_video_time; + /** Time just after the last video frame we emitted, or the time of the last accurate seek */ + boost::optional _last_video_time; + boost::optional _last_video_eyes; + /** Time just after the last audio frame we emitted, or the time of the last accurate seek */ + boost::optional _last_audio_time; + + boost::optional _dcp_decode_reduction; + + typedef std::map, boost::shared_ptr > LastVideoMap; + LastVideoMap _last_video; AudioMerger _audio_merger; + Shuffler* _shuffler; + std::list, DCPTime> > _delay; + + class StreamState + { + public: + StreamState () {} + + StreamState (boost::shared_ptr p, DCPTime l) + : piece(p) + , last_push_end(l) + {} + + boost::shared_ptr piece; + DCPTime last_push_end; + }; + std::map _stream_states; + + Empty _black; + Empty _silent; + ActiveText _active_texts[TEXT_COUNT]; boost::shared_ptr _audio_processor; boost::signals2::scoped_connection _film_changed_connection; boost::signals2::scoped_connection _playlist_changed_connection; + boost::signals2::scoped_connection _playlist_content_may_change_connection; boost::signals2::scoped_connection _playlist_content_changed_connection; + boost::signals2::scoped_connection _playlist_content_not_changed_connection; }; #endif