X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplayer.h;h=b3c4e82b42394453677f886a47b7f7f3899d03f2;hb=81d517a86149e1f934b5c906e2623db00adea915;hp=6860807b3deb72c7d1cf5866a2bac44e232cb68f;hpb=1f8b45c7fd49714628009f5ed2161fbaa2b4d729;p=dcpomatic.git diff --git a/src/lib/player.h b/src/lib/player.h index 6860807b3..b3c4e82b4 100644 --- a/src/lib/player.h +++ b/src/lib/player.h @@ -1,218 +1,208 @@ /* - Copyright (C) 2013-2014 Carl Hetherington + Copyright (C) 2013-2018 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of DCP-o-matic. + + DCP-o-matic is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + DCP-o-matic is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ #ifndef DCPOMATIC_PLAYER_H #define DCPOMATIC_PLAYER_H -#include -#include -#include -#include "playlist.h" -#include "content.h" +#include "player_text.h" +#include "active_text.h" +#include "content_text.h" #include "film.h" -#include "rect.h" +#include "content.h" +#include "position_image.h" +#include "piece.h" +#include "content_video.h" +#include "content_audio.h" +#include "audio_stream.h" #include "audio_merger.h" -#include "audio_content.h" -#include "decoded.h" +#include "empty.h" +#include +#include +#include -class Job; -class Film; +namespace dcp { + class ReelAsset; +} + +class PlayerVideo; class Playlist; -class AudioContent; -class Piece; -class Image; +class Font; +class AudioBuffers; +class ReferencedReelAsset; +class Shuffler; -/** @class PlayerImage - * @brief 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 +class PlayerProperty { public: - PlayerImage (boost::shared_ptr, Crop, dcp::Size, dcp::Size, Scaler const *); - - void set_subtitle (boost::shared_ptr, Position); - - boost::shared_ptr image (AVPixelFormat, bool); - -private: - boost::shared_ptr _in; - Crop _crop; - dcp::Size _inter_size; - dcp::Size _out_size; - Scaler const * _scaler; - boost::shared_ptr _subtitle_image; - Position _subtitle_position; + 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 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) const; -}; - /** @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, public boost::noncopyable { public: - Player (boost::shared_ptr, boost::shared_ptr); - - void disable_video (); - void disable_audio (); + Player (boost::shared_ptr, boost::shared_ptr playlist); + ~Player (); bool pass (); - void seek (DCPTime, bool); + void seek (DCPTime time, bool accurate); - DCPTime video_position () const { - return _video_position; + 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_approximate_size (); - - bool repeat_last_video (); - - PlayerStatistics const & statistics () const; - - /** 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, Eyes, ColourConversion, bool, DCPTime)> Video; - - /** Emitted when some audio data is ready */ - boost::signals2::signal, DCPTime)> 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. + void set_ignore_video (); + void set_ignore_audio (); + 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); + + boost::signals2::signal Change; + + /** Emitted when a video frame is ready. These emissions happen in the correct order. */ + boost::signals2::signal, DCPTime)> Video; + boost::signals2::signal, DCPTime)> Audio; + /** Emitted when a text is ready. This signal may be emitted considerably + * after the corresponding Video. */ - boost::signals2::signal Changed; + boost::signals2::signal, DCPTimePeriod)> Text; private: friend class PlayerWrapper; friend class Piece; + friend struct player_time_calculation_test1; + friend struct player_time_calculation_test2; + friend struct player_time_calculation_test3; + friend struct player_subframe_test; + friend struct empty_test1; + friend struct empty_test2; void setup_pieces (); - void playlist_changed (); - void content_changed (boost::weak_ptr, int, bool); - void do_seek (DCPTime, bool); + void setup_pieces_unlocked (); void flush (); - void emit_black (); - void emit_silence (DCPTime); - void film_changed (Film::Property); - void update_subtitle_from_image (); - void update_subtitle_from_text (); - void emit_video (boost::weak_ptr, boost::shared_ptr); - void emit_audio (boost::weak_ptr, boost::shared_ptr); - void step_video_position (boost::shared_ptr); + void film_change (ChangeType, Film::Property); + void playlist_change (ChangeType); + void playlist_content_change (ChangeType, int, bool); + 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_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 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); + 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; - - 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; + /** true if we are suspended (i.e. pass() and seek() do nothing) */ + bool _suspended; std::list > _pieces; - /** The time after the last video that we emitted */ - DCPTime _video_position; - /** The time after the last audio that we emitted */ - DCPTime _audio_position; + /** Size of the image in the DCP (e.g. 1990x1080 for flat) */ + dcp::Size _video_container_size; + boost::shared_ptr _black_image; + + /** true if the player should ignore all video; i.e. never produce any */ + bool _ignore_video; + bool _ignore_audio; + /** 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; + + /** 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; - dcp::Size _video_container_size; - boost::shared_ptr _black_frame; - - struct { - boost::weak_ptr piece; - boost::shared_ptr subtitle; - } _image_subtitle; - - struct { - boost::weak_ptr piece; - boost::shared_ptr subtitle; - } _text_subtitle; - - struct { - Position position; - boost::shared_ptr image; - DCPTime from; - DCPTime to; - } _out_subtitle; - -#ifdef DCPOMATIC_DEBUG - boost::shared_ptr _last_video; -#endif + class StreamState + { + public: + StreamState () {} - bool _last_emit_was_black; + StreamState (boost::shared_ptr p, DCPTime l) + : piece(p) + , last_push_end(l) + {} - struct { - boost::weak_ptr weak_piece; - boost::shared_ptr video; - } _last_incoming_video; + boost::shared_ptr piece; + DCPTime last_push_end; + }; + std::map _stream_states; - bool _just_did_inaccurate_seek; - bool _approximate_size; + Empty _black; + Empty _silent; - PlayerStatistics _statistics; + ActiveText _active_texts[TEXT_COUNT]; + boost::shared_ptr _audio_processor; - boost::signals2::scoped_connection _playlist_changed_connection; - boost::signals2::scoped_connection _playlist_content_changed_connection; boost::signals2::scoped_connection _film_changed_connection; + boost::signals2::scoped_connection _playlist_change_connection; + boost::signals2::scoped_connection _playlist_content_change_connection; }; #endif