X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Fvideo_view.h;h=28ca3a1e8c4a7ce6bf3da3aba260dc9db0d98b75;hb=313319ba2d8544bc25524e02e634804a503b54f1;hp=f4dec9c6873d8323a49fd9e51cd20a91012dcf8a;hpb=a8e31120a793f09ab56cc2847d76944ba698ba95;p=dcpomatic.git diff --git a/src/wx/video_view.h b/src/wx/video_view.h index f4dec9c68..28ca3a1e8 100644 --- a/src/wx/video_view.h +++ b/src/wx/video_view.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2019 Carl Hetherington + Copyright (C) 2019-2021 Carl Hetherington This file is part of DCP-o-matic. @@ -18,21 +18,178 @@ */ + #ifndef DCPOMATIC_VIDEO_VIEW_H #define DCPOMATIC_VIDEO_VIEW_H -#include +#include "lib/dcpomatic_time.h" +#include "lib/exception_store.h" +#include "lib/signaller.h" +#include "lib/timer.h" +#include "lib/types.h" +#include +#include +#include + + +class FilmViewer; class Image; +class Player; +class PlayerVideo; class wxWindow; -class VideoView + +class VideoView : public ExceptionStore, public Signaller { public: + VideoView (FilmViewer* viewer); virtual ~VideoView () {} - virtual void set_image (boost::shared_ptr image) = 0; + VideoView (VideoView const&) = delete; + VideoView& operator= (VideoView const&) = delete; + + /** @return the thing displaying the image */ virtual wxWindow* get () const = 0; + /** Re-make and display the image from the current _player_video */ + virtual void update () = 0; + /** Called when playback starts */ + virtual void start (); + /** Called when playback stops */ + virtual void stop () {} + + enum NextFrameResult { + FAIL, + AGAIN, + SUCCESS + }; + + /** Get the next frame and display it; used after seek */ + virtual NextFrameResult display_next_frame (bool) = 0; + + void clear (); + bool reset_metadata (std::shared_ptr film, dcp::Size player_video_container_size); + + /** Emitted from the GUI thread when our display changes in size */ + boost::signals2::signal Sized; + /** Emitted from the GUI thread when a lot of frames are being dropped */ + boost::signals2::signal TooManyDropped; + + + /* Accessors for FilmViewer */ + + int dropped () const { + boost::mutex::scoped_lock lm (_mutex); + return _dropped; + } + + int errored () const { + boost::mutex::scoped_lock lm (_mutex); + return _errored; + } + + int gets () const { + boost::mutex::scoped_lock lm (_mutex); + return _gets; + } + + StateTimer const & state_timer () const { + return _state_timer; + } + + dcpomatic::DCPTime position () const { + boost::mutex::scoped_lock lm (_mutex); + return _player_video.second; + } + + + /* Setters for FilmViewer so it can tell us our state and + * we can then use (thread) safely. + */ + + void set_video_frame_rate (int r) { + boost::mutex::scoped_lock lm (_mutex); + _video_frame_rate = r; + } + + void set_length (dcpomatic::DCPTime len) { + boost::mutex::scoped_lock lm (_mutex); + _length = len; + } + + void set_eyes (Eyes eyes) { + boost::mutex::scoped_lock lm (_mutex); + _eyes = eyes; + } + + void set_three_d (bool t) { + boost::mutex::scoped_lock lm (_mutex); + _three_d = t; + } + + void set_optimise_for_j2k (bool o) { + _optimise_for_j2k = o; + } + +protected: + NextFrameResult get_next_frame (bool non_blocking); + boost::optional time_until_next_frame () const; + dcpomatic::DCPTime one_video_frame () const; + + wxColour pad_colour () const; + + wxColour outline_content_colour () const { + return wxColour(255, 0, 0); + } + + wxColour outline_subtitles_colour () const { + return wxColour(0, 255, 0); + } + + int video_frame_rate () const { + boost::mutex::scoped_lock lm (_mutex); + return _video_frame_rate; + } + + dcpomatic::DCPTime length () const { + boost::mutex::scoped_lock lm (_mutex); + return _length; + } + + std::pair, dcpomatic::DCPTime> player_video () const { + boost::mutex::scoped_lock lm (_mutex); + return _player_video; + } + + void add_dropped (); + + void add_get () { + boost::mutex::scoped_lock lm (_mutex); + ++_gets; + } + + FilmViewer* _viewer; + + StateTimer _state_timer; + + bool _optimise_for_j2k = false; + +private: + /** Mutex protecting all the state in this class */ + mutable boost::mutex _mutex; + + std::pair, dcpomatic::DCPTime> _player_video; + int _video_frame_rate = 0; + /** length of the film we are playing, or 0 if there is none */ + dcpomatic::DCPTime _length; + Eyes _eyes = Eyes::LEFT; + bool _three_d = false; + + int _dropped = 0; + struct timeval _dropped_check_period_start; + int _errored = 0; + int _gets = 0; }; + #endif