X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplayer.h;h=45dcd9900c256bce1996e3b92f4ec4699dfe83bd;hb=refs%2Fheads%2F2404-assertion;hp=6860807b3deb72c7d1cf5866a2bac44e232cb68f;hpb=08d62727f7f1c813cbc7041027fe4a52518623da;p=dcpomatic.git diff --git a/src/lib/player.h b/src/lib/player.h index 6860807b3..45dcd9900 100644 --- a/src/lib/player.h +++ b/src/lib/player.h @@ -1,218 +1,256 @@ /* - Copyright (C) 2013-2014 Carl Hetherington + Copyright (C) 2013-2020 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 "film.h" -#include "rect.h" + +#include "active_text.h" +#include "atmos_metadata.h" #include "audio_merger.h" -#include "audio_content.h" -#include "decoded.h" +#include "audio_stream.h" +#include "content_atmos.h" +#include "content_audio.h" +#include "content_text.h" +#include "content_video.h" +#include "empty.h" +#include "enum_indexed_vector.h" +#include "film.h" +#include "image.h" +#include "player_text.h" +#include "position_image.h" +#include "shuffler.h" +#include +#include -class Job; -class Film; -class Playlist; -class AudioContent; -class Piece; -class Image; -/** @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 -{ -public: - PlayerImage (boost::shared_ptr, Crop, dcp::Size, dcp::Size, Scaler const *); +namespace dcp { + class ReelAsset; +} - void set_subtitle (boost::shared_ptr, Position); - - boost::shared_ptr image (AVPixelFormat, bool); +class AtmosContent; +class AudioBuffers; +class Content; +class PlayerVideo; +class Playlist; +class ReferencedReelAsset; -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; -}; -class PlayerStatistics +class PlayerProperty { 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; + 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; + static int const IGNORE_VIDEO; + static int const IGNORE_AUDIO; + static int const IGNORE_TEXT; + static int const ALWAYS_BURN_OPEN_SUBTITLES; + static int const PLAY_REFERENCED; }; - + + /** @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 +class Player { public: - Player (boost::shared_ptr, boost::shared_ptr); + Player (std::shared_ptr, Image::Alignment subtitle_alignment); + Player (std::shared_ptr, std::shared_ptr playlist); - void disable_video (); - void disable_audio (); + Player (Player const&) = delete; + Player& operator= (Player const&) = delete; + + Player(Player&& other); + Player& operator=(Player&& other); bool pass (); - void seek (DCPTime, bool); + void seek (dcpomatic::DCPTime time, bool accurate); + + std::vector> get_subtitle_fonts (); - DCPTime video_position () const { - return _video_position; + dcp::Size video_container_size () const { + 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. + 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 (std::shared_ptr content, dcpomatic::ContentTime t) const; + boost::optional dcp_to_content_time (std::shared_ptr content, dcpomatic::DCPTime t) const; + + void signal_change(ChangeType type, int property); + + /** First parameter is PENDING, DONE or CANCELLED. + * Second parameter is the property. + * Third 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; + /** Emitted when audio data is ready. First parameter is the audio data, second its time, + * third the frame rate. */ - 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. + 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; + boost::signals2::signal, dcpomatic::DCPTime, AtmosMetadata)> Atmos; 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; + friend struct overlap_video_test1; + + void construct (); + void connect(); void setup_pieces (); - void playlist_changed (); - void content_changed (boost::weak_ptr, int, bool); - void do_seek (DCPTime, bool); - 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); - - 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; - 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; + void film_change (ChangeType, Film::Property); + void playlist_change (ChangeType); + void playlist_content_change (ChangeType, int, bool); + Frame dcp_to_content_video (std::shared_ptr piece, dcpomatic::DCPTime t) const; + dcpomatic::DCPTime content_video_to_dcp (std::shared_ptr piece, Frame f) const; + Frame dcp_to_resampled_audio (std::shared_ptr piece, dcpomatic::DCPTime t) const; + dcpomatic::DCPTime resampled_audio_to_dcp (std::shared_ptr piece, Frame f) const; + dcpomatic::ContentTime dcp_to_content_time (std::shared_ptr piece, dcpomatic::DCPTime t) const; + dcpomatic::DCPTime content_time_to_dcp (std::shared_ptr piece, dcpomatic::ContentTime t) const; + std::shared_ptr black_player_video_frame (Eyes eyes) const; + + void video (std::weak_ptr, ContentVideo); + void audio (std::weak_ptr, AudioStreamPtr, ContentAudio); + void bitmap_text_start (std::weak_ptr, std::weak_ptr, ContentBitmapText); + void plain_text_start (std::weak_ptr, std::weak_ptr, ContentStringText); + void subtitle_stop (std::weak_ptr, std::weak_ptr, dcpomatic::ContentTime); + void atmos (std::weak_ptr, ContentAtmos); + + dcpomatic::DCPTime one_video_frame () const; + void fill_audio (dcpomatic::DCPTimePeriod period); + std::pair, dcpomatic::DCPTime> discard_audio ( + std::shared_ptr audio, dcpomatic::DCPTime time, dcpomatic::DCPTime discard_to + ) const; + boost::optional open_subtitles_for_frame (dcpomatic::DCPTime time) const; + void emit_video (std::shared_ptr pv, dcpomatic::DCPTime time); + void do_emit_video (std::shared_ptr pv, dcpomatic::DCPTime time); + void emit_audio (std::shared_ptr data, dcpomatic::DCPTime time); + std::shared_ptr playlist () const; + + /** Mutex to protect the most of the 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; + + std::weak_ptr _film; + /** Playlist, or 0 if we are using the one from the _film */ + std::shared_ptr _playlist; + + /** > 0 if we are suspended (i.e. pass() and seek() do nothing) */ + boost::atomic _suspended; + std::list> _pieces; + + /** Size of the image we are rendering to; this may be the DCP frame size, or + * the size of preview in a window. + */ + boost::atomic _video_container_size; + + mutable boost::mutex _black_image_mutex; + std::shared_ptr _black_image; + + /** true if the player should ignore all video; i.e. never produce any */ + boost::atomic _ignore_video; + boost::atomic _ignore_audio; + /** true if the player should ignore all text; i.e. never produce any */ + boost::atomic _ignore_text; + boost::atomic _always_burn_open_subtitles; + /** true if we should try to be fast rather than high quality */ + boost::atomic _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) */ + boost::atomic _play_referenced; + + /** Time of the next video that we will emit, or the time of the last accurate seek */ + boost::optional _next_video_time; + /** Eyes of the next video that we will emit */ + boost::optional _next_video_eyes; + /** Time of the next audio that we will emit, or the time of the last accurate seek */ + boost::optional _next_audio_time; + + boost::atomic> _dcp_decode_reduction; + + typedef std::map, std::shared_ptr, std::owner_less>> LastVideoMap; + LastVideoMap _last_video; AudioMerger _audio_merger; + std::unique_ptr _shuffler; + std::list, dcpomatic::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; + explicit StreamState(std::shared_ptr p) + : piece(p) + {} - struct { - boost::weak_ptr weak_piece; - boost::shared_ptr video; - } _last_incoming_video; + std::shared_ptr piece; + boost::optional last_push_end; + }; + std::map _stream_states; - bool _just_did_inaccurate_seek; - bool _approximate_size; + Empty _black; + Empty _silent; - PlayerStatistics _statistics; + EnumIndexedVector _active_texts; + std::shared_ptr _audio_processor; + + boost::atomic _playback_length; + + /** Alignment for subtitle images that we create */ + Image::Alignment _subtitle_alignment = Image::Alignment::PADDED; - 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