X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fplayer.h;h=c2911bf1087e19dae86257c37c14ce9c1a864b21;hp=842c2283c7da034c89771bb151b9b317bc9bc0aa;hb=05f2028ec1280a98050dc22609879230337a35ef;hpb=43494601da412259814fdb1345950329cc4aa849 diff --git a/src/lib/player.h b/src/lib/player.h index 842c2283c..c2911bf10 100644 --- a/src/lib/player.h +++ b/src/lib/player.h @@ -1,116 +1,157 @@ /* - Copyright (C) 2013-2015 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 "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 "audio_stream.h" +#include "audio_merger.h" +#include "empty.h" #include #include +#include #include +namespace dcp { + class ReelAsset; +} + +namespace dcpomatic { + class Font; +} + class PlayerVideo; 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 (); - std::list > get_video (DCPTime time, bool accurate); - boost::shared_ptr get_audio (DCPTime time, DCPTime length, bool accurate); - PlayerSubtitles get_subtitles (DCPTime time, DCPTime length, bool starting, bool burnt); - std::list > get_subtitle_fonts (); + bool pass (); + void seek (dcpomatic::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, dcpomatic::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 parameter is true if these signals are currently likely to be frequent. + 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_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; + friend struct empty_test1; + friend struct empty_test2; + friend struct check_reuse_old_data_test; void setup_pieces (); + void setup_pieces_unlocked (); void flush (); - void film_changed (Film::Property); - void playlist_changed (); - void playlist_content_changed (boost::weak_ptr, int, bool); - std::list transform_image_subtitles (std::list) const; - void update_subtitle_from_text (); - 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; - ContentTime dcp_to_content_subtitle (boost::shared_ptr piece, DCPTime t) const; - boost::shared_ptr black_player_video_frame (DCPTime) const; - - /** @return Pieces of content type C that overlap a specified time range in the DCP */ - template - std::list > - overlaps (DCPTime from, DCPTime to) - { - if (!_have_valid_pieces) { - setup_pieces (); - } - - std::list > overlaps; - for (typename std::list >::const_iterator i = _pieces.begin(); i != _pieces.end(); ++i) { - if (!boost::dynamic_pointer_cast ((*i)->content)) { - continue; - } - - if ((*i)->content->position() <= to && (*i)->content->end() >= from) { - 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; + /** > 0 if we are suspended (i.e. pass() and seek() do nothing) */ + boost::atomic _suspended; std::list > _pieces; /** Size of the image in the DCP (e.g. 1990x1080 for flat) */ @@ -119,20 +160,59 @@ 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 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; + + ActiveText _active_texts[TEXT_COUNT]; boost::shared_ptr _audio_processor; + /* Cached stuff */ + boost::optional _film_length; + boost::signals2::scoped_connection _film_changed_connection; - boost::signals2::scoped_connection _playlist_changed_connection; - boost::signals2::scoped_connection _playlist_content_changed_connection; + boost::signals2::scoped_connection _playlist_change_connection; + boost::signals2::scoped_connection _playlist_content_change_connection; }; #endif