X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplayer.h;h=e99c345bb211ea99d683fcb5b3d32513305ad4c9;hb=0486d4d94900c7f2a2cab7885b3f162d1ad8290c;hp=be5cbddb4a15d051f6793ba4cbf0992d65248128;hpb=ee77b3cf5f59f775e75e628aa28e8f2f9f941530;p=dcpomatic.git diff --git a/src/lib/player.h b/src/lib/player.h index be5cbddb4..e99c345bb 100644 --- a/src/lib/player.h +++ b/src/lib/player.h @@ -1,169 +1,214 @@ /* - Copyright (C) 2013-2014 Carl Hetherington + Copyright (C) 2013-2019 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 "audio_content.h" -#include "dcpomatic_time.h" -#include "content_subtitle.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 "empty.h" +#include +#include +#include -class Job; -class Film; -class Playlist; -class AudioContent; -class Piece; -class Image; -class DCPVideo; -class Decoder; +namespace dcp { + class ReelAsset; +} -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; +namespace dcpomatic { + class Font; +} - void dump (boost::shared_ptr) const; -}; +class PlayerVideo; +class Playlist; +class AudioBuffers; +class ReferencedReelAsset; +class Shuffler; -class Piece +class PlayerProperty { public: - Piece (boost::shared_ptr c, boost::shared_ptr d, FrameRateChange f) - : content (c) - , decoder (d) - , frc (f) - {} - - boost::shared_ptr content; - boost::shared_ptr decoder; - FrameRateChange frc; + 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); + Player (boost::shared_ptr, boost::shared_ptr playlist); + ~Player (); - boost::shared_ptr get_video (DCPTime time, bool accurate); - boost::shared_ptr get_audio (DCPTime time, DCPTime length, bool accurate); + bool pass (); + void seek (dcpomatic::DCPTime time, bool accurate); - void set_video_container_size (dcp::Size); - void set_approximate_size (); - void set_burn_subtitles (bool burn) { - _burn_subtitles = burn; + 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; } - PlayerStatistics const & statistics () const; - - /** 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_video_container_size (dcp::Size); + 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, dcpomatic::ContentTime t); + + boost::signals2::signal Change; + + /** Emitted when a video frame is ready. These emissions happen in the correct order. */ + boost::signals2::signal, dcpomatic::DCPTime)> Video; + boost::signals2::signal, dcpomatic::DCPTime, int)> Audio; + /** Emitted when a text is ready. This signal may be emitted considerably + * after the corresponding Video. */ - boost::signals2::signal Changed; + boost::signals2::signal, dcpomatic::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; + friend struct check_reuse_old_data_test; void setup_pieces (); - void playlist_changed (); - void content_changed (boost::weak_ptr, int, bool); + void setup_pieces_unlocked (); void flush (); - void film_changed (Film::Property); - std::list process_content_image_subtitles ( - boost::shared_ptr, std::list > - ); - std::list process_content_text_subtitles (std::list >); - void update_subtitle_from_text (); - VideoFrame dcp_to_content_video (boost::shared_ptr piece, DCPTime t) const; - AudioFrame dcp_to_content_audio (boost::shared_ptr piece, DCPTime t) const; - ContentTime dcp_to_content_subtitle (boost::shared_ptr piece, DCPTime t) const; - - template - std::list > - overlaps (DCPTime t) - { - std::list > overlaps; - for (typename std::list >::const_iterator i = _pieces.begin(); i != _pieces.end(); ++i) { - if (boost::dynamic_pointer_cast ((*i)->content) && (*i)->content->position() >= t && (*i)->content->end() < t) { - overlaps.push_back (*i); - } - } - - return overlaps; - } - + 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, dcpomatic::DCPTime t) const; + dcpomatic::DCPTime content_video_to_dcp (boost::shared_ptr piece, Frame f) const; + Frame dcp_to_resampled_audio (boost::shared_ptr piece, dcpomatic::DCPTime t) const; + dcpomatic::DCPTime resampled_audio_to_dcp (boost::shared_ptr piece, Frame f) const; + dcpomatic::ContentTime dcp_to_content_time (boost::shared_ptr piece, dcpomatic::DCPTime t) const; + dcpomatic::DCPTime content_time_to_dcp (boost::shared_ptr piece, dcpomatic::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, dcpomatic::ContentTime); + dcpomatic::DCPTime one_video_frame () const; + void fill_audio (dcpomatic::DCPTimePeriod period); + std::pair, dcpomatic::DCPTime> discard_audio ( + boost::shared_ptr audio, dcpomatic::DCPTime time, dcpomatic::DCPTime discard_to + ) const; + boost::optional open_subtitles_for_frame (dcpomatic::DCPTime time) const; + void emit_video (boost::shared_ptr pv, dcpomatic::DCPTime time); + void do_emit_video (boost::shared_ptr pv, dcpomatic::DCPTime time); + void emit_audio (boost::shared_ptr data, dcpomatic::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) */ dcp::Size _video_container_size; boost::shared_ptr _black_image; - bool _approximate_size; - bool _burn_subtitles; + /** 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 keep going in the face of `survivable' errors */ + bool _tolerant; + /** 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, dcpomatic::DCPTime> > _delay; + + class StreamState + { + public: + StreamState () {} + + StreamState (boost::shared_ptr p, dcpomatic::DCPTime l) + : piece(p) + , last_push_end(l) + {} + + boost::shared_ptr piece; + dcpomatic::DCPTime last_push_end; + }; + std::map _stream_states; + + 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