X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplayer.h;h=5b1b6936bc95a41ca548fef98f32cc146da9a628;hb=d9362bdd24f01e4c833e89d63ac3816f36eae36e;hp=20b83bfdb7c2468e702409fbc500286937553ec5;hpb=28dbf4fd074d2046a3c8ddebac9a537a80fd457a;p=dcpomatic.git diff --git a/src/lib/player.h b/src/lib/player.h index 20b83bfdb..5b1b6936b 100644 --- a/src/lib/player.h +++ b/src/lib/player.h @@ -23,70 +23,113 @@ #include #include #include -#include "video_source.h" -#include "audio_source.h" -#include "video_sink.h" -#include "audio_sink.h" +#include "playlist.h" +#include "audio_buffers.h" +#include "content.h" +#include "film.h" +#include "rect.h" -class VideoDecoder; -class AudioDecoder; class Job; class Film; class Playlist; class AudioContent; +class Piece; +class Image; /** @class Player * @brief A class which can `play' a Playlist; emitting its audio and video. */ -class Player : public TimedVideoSource, public TimedAudioSource, public TimedVideoSink, 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 (); - void disable_subtitles (); bool pass (); - void set_progress (boost::shared_ptr); - bool seek (double); - void seek_back (); - void seek_forward (); + void seek (Time, bool); - double last_video_time () const; + Time video_position () const { + return _video_position; + } + + void set_video_container_size (libdcp::Size); + + /** 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 true if the image is the same as the last one that was emitted. + * Fourth parameter is the time. + */ + boost::signals2::signal, Eyes, 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 Changed; private: - void process_video (boost::shared_ptr i, bool same, boost::shared_ptr s, double); - void process_audio (boost::weak_ptr, boost::shared_ptr, double); - void setup_decoders (); + friend class PlayerWrapper; + + void process_video (boost::weak_ptr, boost::shared_ptr, Eyes, 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 content_changed (boost::weak_ptr, int, bool); + void do_seek (Time, bool); + void flush (); + void emit_black (); + void emit_silence (OutputAudioFrame); + void film_changed (Film::Property); + void update_subtitle (); boost::shared_ptr _film; boost::shared_ptr _playlist; bool _video; bool _audio; - bool _subtitles; - - /** Our decoders are ready to go; if this is false the decoders must be (re-)created before they are used */ - bool _have_valid_decoders; - /** Video decoders in order of presentation */ - std::vector > _video_decoders; - /** Start positions of each video decoder in seconds*/ - std::vector _video_start; - /** Index of current video decoder */ - size_t _video_decoder; - /** Audio decoders in order of presentation (if they are from FFmpeg) */ - std::vector > _audio_decoders; - /** Start positions of each audio decoder (if they are from FFmpeg) in seconds */ - std::vector _audio_start; - /** Current audio decoder index if we are running them sequentially; otherwise undefined */ - size_t _sequential_audio_decoder; - - boost::shared_ptr _audio_buffers; - boost::optional _audio_time; + + /** 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; + + 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 }; #endif