X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ffilm_viewer.h;h=7bda9617e9bea0aa92beae1e9d540f0f2f807610;hb=e45fe284b7c334d64c2fe105c0564c5015d3747f;hp=723214ed10b8ab9541bd20e42f0679538382806b;hpb=602fd58eff38fdfccc489b9f77b3ff0ca0009566;p=dcpomatic.git diff --git a/src/wx/film_viewer.h b/src/wx/film_viewer.h index 723214ed1..7bda9617e 100644 --- a/src/wx/film_viewer.h +++ b/src/wx/film_viewer.h @@ -23,16 +23,27 @@ #include #include "lib/film.h" -#include "lib/decoder_factory.h" class wxToggleButton; class FFmpegPlayer; class Image; class RGBPlusAlphaImage; -class Subtitle; /** @class FilmViewer * @brief A wx widget to view a preview of a Film. + * + * The film takes the following path through the viewer: + * + * 1. fetch_next_frame() asks our _player to decode some data. If it does, process_video() + * will be called. + * + * 2. process_video() takes the image from the player (_frame). + * + * 3. fetch_next_frame() calls _panel->Refresh() and _panel->Update() which results in + * paint_panel() being called; this creates frame_bitmap from _frame and blits it to the display. + * + * fetch_current_frame_again() asks the player to re-emit its current frame on the next pass(), and then + * starts from step #1. */ class FilmViewer : public wxPanel { @@ -42,37 +53,42 @@ public: void set_film (boost::shared_ptr); private: - void film_changed (Film::Property); - void paint_panel (wxPaintEvent &); + void paint_panel (); void panel_sized (wxSizeEvent &); - void slider_moved (wxCommandEvent &); - void play_clicked (wxCommandEvent &); - void timer (wxTimerEvent &); - void process_video (boost::shared_ptr, boost::shared_ptr); + void slider_moved (); + void play_clicked (); + void timer (); + void process_video (boost::shared_ptr, Eyes, Time); void calculate_sizes (); void check_play_state (); - void update_from_raw (); - void decoder_changed (); - void raw_to_display (); - void get_frame (); + void fetch_current_frame_again (); + void fetch_next_frame (); void active_jobs_changed (bool); + void back_clicked (); + void forward_clicked (); + void player_changed (bool); + void set_position_text (Time); boost::shared_ptr _film; - + boost::shared_ptr _player; + + wxSizer* _v_sizer; wxPanel* _panel; wxSlider* _slider; + wxButton* _back_button; + wxButton* _forward_button; + wxStaticText* _frame_number; + wxStaticText* _timecode; wxToggleButton* _play_button; wxTimer _timer; - Decoders _decoders; - boost::shared_ptr _raw_frame; - boost::shared_ptr _raw_sub; - boost::shared_ptr _display_frame; - boost::shared_ptr _display_sub; - Position _display_sub_position; + boost::shared_ptr _frame; + bool _got_frame; + + /** Size of our output (including padding if we have any) */ + libdcp::Size _out_size; + /** Size of the panel that we have available */ + libdcp::Size _panel_size; - int _out_width; - int _out_height; - int _panel_width; - int _panel_height; + std::list, Time> > _queue; };