X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplayer.h;h=bb2a0c613e3760c5cce9fdb6642d7abb535e94c2;hb=d1957e43ef4a3966e35b9f28b8faf96e925d2310;hp=bf6260c0a912260d71a7203a0a6f845e20182db2;hpb=9e758fddfb8bbadb1fc84e393daa815445d5e9d5;p=dcpomatic.git diff --git a/src/lib/player.h b/src/lib/player.h index bf6260c0a..bb2a0c613 100644 --- a/src/lib/player.h +++ b/src/lib/player.h @@ -1,139 +1,224 @@ /* - 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_merger.h" -#include "audio_content.h" +#include "content.h" +#include "position_image.h" #include "piece.h" -#include "subtitle.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; +} -class Job; -class Film; +namespace dcpomatic { + class Font; +} + +class PlayerVideo; class Playlist; -class AudioContent; -class Piece; -class Image; -class Resampler; -class PlayerVideoFrame; -class ImageProxy; - +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; + static int const PLAYBACK_LENGTH; +}; + /** @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); + Player (boost::shared_ptr, boost::shared_ptr playlist); + ~Player (); bool pass (); - void seek (Time, bool); + void seek (dcpomatic::DCPTime time, bool accurate); - Time 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 (libdcp::Size); + 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); - bool repeat_last_video (); + boost::optional content_time_to_dcp (boost::shared_ptr content, dcpomatic::ContentTime t); - /** Emitted when a video frame is ready. - * First parameter is the video image. - * Second parameter is true if the frame is the same as the last one that was emitted. - * Third parameter is the time. - */ - boost::signals2::signal, bool, Time)> Video; - - /** Emitted when some audio data is ready */ - boost::signals2::signal, Time)> 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. + 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; - - void process_video (boost::weak_ptr, boost::shared_ptr, Eyes, Part, bool, VideoContent::Frame, Time); - void process_audio (boost::weak_ptr, boost::shared_ptr, AudioContent::Frame); - void process_subtitle (boost::weak_ptr, boost::shared_ptr, dcpomatic::Rect, Time, Time); + 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 construct (); void setup_pieces (); - void playlist_changed (); - void content_changed (boost::weak_ptr, int, bool); - void do_seek (Time, bool); + void setup_pieces_unlocked (); void flush (); - void emit_black (); - void emit_silence (OutputAudioFrame); - boost::shared_ptr resampler (boost::shared_ptr, bool); - void film_changed (Film::Property); - void update_subtitle (); + 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); + boost::shared_ptr playlist () const; + + /** 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; + /** Playlist, or 0 if we are using the one from the _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; + /** > 0 if we are suspended (i.e. pass() and seek() do nothing) */ + boost::atomic _suspended; std::list > _pieces; - /** The time after the last video that we emitted */ - Time _video_position; - /** The time after the last audio that we emitted */ - Time _audio_position; - - AudioMerger _audio_merger; - - libdcp::Size _video_container_size; - boost::shared_ptr _black_frame; - std::map, boost::shared_ptr > _resamplers; - - std::list _subtitles; - -#ifdef DCPOMATIC_DEBUG - boost::shared_ptr _last_video; -#endif - - bool _last_emit_was_black; - - IncomingVideo _last_incoming_video; + /** Size of the image we are rendering to; this may be the DCP frame size, or + * the size of preview in a window. + */ + 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 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; + + dcpomatic::DCPTime _playback_length; - 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