X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Fplayer.h;h=fc7117ba201abc006482819a5c27f8f7e56e140a;hb=9d904847726295852b78b0029939d0f848793d06;hp=9a55b8599a4031dce55af54e202e060af32dda45;hpb=a84e33159d708362b10ff61af186a59cc9f5be6b;p=dcpomatic.git diff --git a/src/lib/player.h b/src/lib/player.h index 9a55b8599..fc7117ba2 100644 --- a/src/lib/player.h +++ b/src/lib/player.h @@ -1,78 +1,205 @@ /* - Copyright (C) 2013 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 "player_subtitles.h" +#include "active_subtitles.h" +#include "film.h" +#include "content.h" +#include "position_image.h" +#include "piece.h" +#include "content_video.h" +#include "content_audio.h" +#include "content_subtitle.h" +#include "audio_stream.h" +#include "audio_merger.h" +#include "empty.h" #include #include -#include "video_source.h" -#include "audio_source.h" -#include "video_sink.h" -#include "audio_sink.h" - -class VideoDecoder; -class SndfileDecoder; -class Job; -class Film; +#include + +namespace dcp { + class ReelAsset; +} + +class PlayerVideo; class Playlist; -class AudioContent; +class Font; +class AudioBuffers; +class ReferencedReelAsset; +class Shuffler; -class Player : public VideoSource, public AudioSource, public VideoSink, public boost::enable_shared_from_this +class PlayerProperty { public: - Player (boost::shared_ptr, boost::shared_ptr); + 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; +}; - void disable_video (); - void disable_audio (); - void disable_subtitles (); - void disable_video_sync (); +/** @class Player + * @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 (); bool pass (); - void set_progress (boost::shared_ptr); - bool seek (double); - - double last_video_time () const; + void seek (DCPTime time, bool accurate); + + std::list > get_subtitle_fonts (); + std::list get_reel_assets (); + dcp::Size video_container_size () const { + return _video_container_size; + } + + void set_video_container_size (dcp::Size); + void set_ignore_video (); + void set_ignore_subtitle (); + void set_always_burn_subtitles (bool burn); + void set_fast (); + void set_play_referenced (); + void set_dcp_decode_reduction (boost::optional reduction); + + /** 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 first parameter is what changed. + * The second parameter is true if these signals are currently likely to be frequent. + */ + boost::signals2::signal Changed; + + /** 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 subtitle is ready. This signal may be emitted considerably + * after the corresponding Video. + */ + boost::signals2::signal Subtitle; private: - void process_video (boost::shared_ptr i, bool same, boost::shared_ptr s); - void process_audio (boost::weak_ptr, boost::shared_ptr); - void setup_decoders (); + 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; + + void setup_pieces (); + void flush (); + void film_changed (Film::Property); void playlist_changed (); - void content_changed (boost::weak_ptr, int); + void playlist_content_changed (boost::weak_ptr, int, bool); + std::list transform_image_subtitles (std::list) const; + 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 image_subtitle_start (boost::weak_ptr, ContentImageSubtitle); + void text_subtitle_start (boost::weak_ptr, ContentTextSubtitle); + void subtitle_stop (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 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); boost::shared_ptr _film; boost::shared_ptr _playlist; - - bool _video; - bool _audio; - bool _subtitles; - - bool _have_valid_decoders; - std::list > _video_decoders; - std::list >::iterator _video_decoder; - std::list > _sndfile_decoders; - - boost::shared_ptr _audio_buffers; - - bool _video_sync; + + /** 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; + + /** 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; + /** true if the player should ignore all audio; i.e. never produce any */ + bool _ignore_subtitle; + /** true if the player should always burn subtitles into the video regardless + of content settings + */ + bool _always_burn_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; + + class StreamState + { + public: + StreamState () {} + + StreamState (boost::shared_ptr p, DCPTime l) + : piece(p) + , last_push_end(l) + {} + + boost::shared_ptr piece; + DCPTime last_push_end; + }; + std::map _stream_states; + + Empty _black; + Empty _silent; + + ActiveSubtitles _active_subtitles; + boost::shared_ptr _audio_processor; + + boost::signals2::scoped_connection _film_changed_connection; + boost::signals2::scoped_connection _playlist_changed_connection; + boost::signals2::scoped_connection _playlist_content_changed_connection; }; #endif