X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Fvideo_view.h;h=d7d60c21da14b4e933af418a8ea79ad223fdc574;hb=ac4ac42278546136357db0ede052faf5b80286e7;hp=af6655ec4b9bf03481abb5dc61f3ca817d98cfeb;hpb=ec1df37a1940063dc0dbc45ad2dab638bdc92c0d;p=dcpomatic.git

diff --git a/src/wx/video_view.h b/src/wx/video_view.h
index af6655ec4..d7d60c21d 100644
--- a/src/wx/video_view.h
+++ b/src/wx/video_view.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2019 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2019-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,33 +18,161 @@
 
 */
 
+
 #ifndef DCPOMATIC_VIDEO_VIEW_H
 #define DCPOMATIC_VIDEO_VIEW_H
 
-#include <boost/shared_ptr.hpp>
+
+#include "lib/dcpomatic_time.h"
+#include "lib/exception_store.h"
+#include "lib/signaller.h"
+#include "lib/timer.h"
+#include "lib/types.h"
 #include <boost/signals2.hpp>
+#include <boost/thread.hpp>
+
 
 class Image;
 class wxWindow;
 class FilmViewer;
+class Player;
+class PlayerVideo;
 
-class VideoView
+
+class VideoView : public ExceptionStore, public Signaller
 {
 public:
-	VideoView (FilmViewer* viewer)
-		: _viewer (viewer)
-	{}
-
+	VideoView (FilmViewer* viewer);
 	virtual ~VideoView () {}
 
-	virtual void set_image (boost::shared_ptr<const Image> 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<const Film> film, dcp::Size player_video_container_size);
 
+	/** Emitted from the GUI thread when our display changes in size */
 	boost::signals2::signal<void()> Sized;
+	/** Emitted from the GUI thread when a lot of frames are being dropped */
+	boost::signals2::signal<void()> 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;
+	}
 
 protected:
+	NextFrameResult get_next_frame (bool non_blocking);
+	boost::optional<int> time_until_next_frame () const;
+	dcpomatic::DCPTime one_video_frame () const;
+
+	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<std::shared_ptr<PlayerVideo>, 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;
+
+private:
+	/** Mutex protecting all the state in this class */
+	mutable boost::mutex _mutex;
+
+	std::pair<std::shared_ptr<PlayerVideo>, 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