diff options
Diffstat (limited to 'src/wx/film_viewer.h')
| -rw-r--r-- | src/wx/film_viewer.h | 60 |
1 files changed, 36 insertions, 24 deletions
diff --git a/src/wx/film_viewer.h b/src/wx/film_viewer.h index 6029c04f3..7bda9617e 100644 --- a/src/wx/film_viewer.h +++ b/src/wx/film_viewer.h @@ -23,16 +23,27 @@ #include <wx/wx.h> #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 { @@ -42,41 +53,42 @@ public: void set_film (boost::shared_ptr<Film>); private: - void film_changed (Film::Property); - void paint_panel (wxPaintEvent &); + void paint_panel (); void panel_sized (wxSizeEvent &); - void slider_moved (wxScrollEvent &); - void play_clicked (wxCommandEvent &); - void timer (wxTimerEvent &); - void process_video (boost::shared_ptr<Image>, bool, boost::shared_ptr<Subtitle>); + void slider_moved (); + void play_clicked (); + void timer (); + void process_video (boost::shared_ptr<const Image>, 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> _film; + boost::shared_ptr<Player> _player; - wxBoxSizer* _v_sizer; + 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<Image> _raw_frame; - boost::shared_ptr<Subtitle> _raw_sub; - boost::shared_ptr<Image> _display_frame; - boost::shared_ptr<RGBPlusAlphaImage> _display_sub; - Position _display_sub_position; + boost::shared_ptr<const Image> _frame; bool _got_frame; - int _out_width; - int _out_height; - int _panel_width; - int _panel_height; + /** 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; - bool _clear_required; + std::list<std::pair<boost::shared_ptr<const Image>, Time> > _queue; }; |
