X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplayer.h;h=62ba89e6c6e783c2603a390f41d43d1583c079af;hb=7f2e74604a51b984e4c8cbb5d5f4bb642677ec00;hp=92a35804397609c2263708e5566fc82b4488a944;hpb=1bb4bd728a445de0728c897211bf079c714d4f41;p=dcpomatic.git diff --git a/src/lib/player.h b/src/lib/player.h index 92a358043..62ba89e6c 100644 --- a/src/lib/player.h +++ b/src/lib/player.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2013 Carl Hetherington + Copyright (C) 2013-2014 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,10 +24,14 @@ #include #include #include "playlist.h" -#include "audio_buffers.h" #include "content.h" #include "film.h" #include "rect.h" +#include "audio_content.h" +#include "dcpomatic_time.h" +#include "content_subtitle.h" +#include "position_image.h" +#include "piece.h" class Job; class Film; @@ -35,102 +39,141 @@ class Playlist; class AudioContent; class Piece; class Image; -class Resampler; +class DCPVideo; +class Decoder; + +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; + + void dump (boost::shared_ptr) const; +}; + +/** 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 *); + + void set_subtitle (boost::shared_ptr, Position); + + boost::shared_ptr image (); + +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 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 +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 (); - - bool pass (); - void seek (Time, bool); + boost::shared_ptr get_video (DCPTime time, bool accurate); + boost::shared_ptr get_audio (DCPTime time, DCPTime length, bool accurate); - Time video_position () const { - return _video_position; + void set_video_container_size (dcp::Size); + void set_approximate_size (); + void set_burn_subtitles (bool burn) { + _burn_subtitles = burn; } - void set_video_container_size (libdcp::Size); - - /** Emitted when a video frame is ready. - * First parameter is the video image. - * Second parameter is true if the image is the same as the last one that was emitted. - * Third parameter is the time. - */ - boost::signals2::signal, bool, Time)> Video; + PlayerStatistics const & statistics () const; - /** 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 Changed; + boost::signals2::signal Changed; private: friend class PlayerWrapper; + friend class Piece; - void process_video (boost::weak_ptr, boost::shared_ptr, bool, VideoContent::Frame); - void process_audio (boost::weak_ptr, boost::shared_ptr, AudioContent::Frame); - void process_subtitle (boost::weak_ptr, boost::shared_ptr, dcpomatic::Rect, Time, Time); void setup_pieces (); void playlist_changed (); - void content_changed (boost::weak_ptr, int); - void do_seek (Time, bool); + void content_changed (boost::weak_ptr, int, bool); void flush (); - void emit_black (); - void emit_silence (OutputAudioFrame); - boost::shared_ptr resampler (boost::shared_ptr); void film_changed (Film::Property); - void update_subtitle (); - + 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; + boost::shared_ptr black_dcp_video (DCPTime) 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 && t < (*i)->content->end()) { + overlaps.push_back (*i); + } + } + + return overlaps; + } + 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 */ - Time _video_position; - /** The time after the last audio that we emitted */ - Time _audio_position; - - AudioBuffers _audio_buffers; - - libdcp::Size _video_container_size; - boost::shared_ptr _black_frame; - std::map, boost::shared_ptr > _resamplers; - boost::shared_ptr _last_resampler; - - struct { - boost::weak_ptr piece; - boost::shared_ptr image; - dcpomatic::Rect rect; - Time from; - Time to; - } _in_subtitle; - - struct { - boost::shared_ptr image; - Position position; - Time from; - Time to; - } _out_subtitle; - -#ifdef DCPOMATIC_DEBUG - boost::shared_ptr _last_video; -#endif + dcp::Size _video_container_size; + boost::shared_ptr _black_image; + + bool _approximate_size; + bool _burn_subtitles; + + PlayerStatistics _statistics; + + boost::signals2::scoped_connection _playlist_changed_connection; + boost::signals2::scoped_connection _playlist_content_changed_connection; + boost::signals2::scoped_connection _film_changed_connection; }; #endif