2 Copyright (C) 2020 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 #include "video_view.h"
22 #include "lib/signaller.h"
23 #include "lib/position.h"
24 #include "lib/warnings.h"
25 DCPOMATIC_DISABLE_WARNINGS
26 #include <wx/glcanvas.h>
28 DCPOMATIC_ENABLE_WARNINGS
30 #include <boost/atomic.hpp>
31 #include <boost/thread.hpp>
32 #include <boost/thread/condition.hpp>
37 class GLVideoView : public VideoView
40 GLVideoView (FilmViewer* viewer, wxWindow* parent);
43 wxWindow* get () const {
50 NextFrameResult display_next_frame (bool);
52 bool vsync_enabled () const {
53 return _vsync_enabled;
57 void set_image (std::shared_ptr<const Image> image);
58 void set_image_and_draw ();
59 void draw (Position<int> inter_position, dcp::Size inter_size);
61 void thread_playing ();
62 void request_one_shot ();
63 void check_for_butler_errors ();
64 void ensure_context ();
65 void size_changed (wxSizeEvent const &);
68 wxGLContext* _context;
70 boost::atomic<wxSize> _canvas_size;
73 boost::optional<dcp::Size> _size;
76 boost::thread _thread;
78 boost::mutex _playing_mutex;
79 boost::condition _thread_work_condition;
80 boost::atomic<bool> _playing;
81 boost::atomic<bool> _one_shot;
83 std::shared_ptr<wxTimer> _timer;