2 Copyright (C) 2019 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 #ifndef DCPOMATIC_VIDEO_VIEW_H
22 #define DCPOMATIC_VIDEO_VIEW_H
24 #include "lib/dcpomatic_time.h"
25 #include <boost/shared_ptr.hpp>
26 #include <boost/signals2.hpp>
27 #include <boost/thread.hpp>
37 VideoView (FilmViewer* viewer);
38 virtual ~VideoView () {}
40 virtual void set_image (boost::shared_ptr<const Image> image) = 0;
41 virtual wxWindow* get () const = 0;
42 /** Redraw the view after something has changed like content outlining,
43 * the film being removed, etc.
45 virtual void update () = 0;
47 virtual void start ();
48 /* XXX_b: make pure */
49 virtual void stop () {}
53 boost::signals2::signal<void()> Sized;
55 virtual bool display_next_frame (bool) = 0;
57 /* XXX_b: to remove */
58 virtual void display_player_video () {}
60 int dropped () const {
61 boost::mutex::scoped_lock lm (_mutex);
65 dcpomatic::DCPTime position () const {
66 boost::mutex::scoped_lock lm (_mutex);
67 return _player_video.second;
70 void set_video_frame_rate (int r) {
71 boost::mutex::scoped_lock lm (_mutex);
72 _video_frame_rate = r;
75 void set_length (dcpomatic::DCPTime len) {
76 boost::mutex::scoped_lock lm (_mutex);
81 /* XXX_b: to remove */
82 friend class FilmViewer;
84 bool get_next_frame (bool non_blocking);
85 int time_until_next_frame () const;
86 dcpomatic::DCPTime one_video_frame () const;
88 int video_frame_rate () const {
89 boost::mutex::scoped_lock lm (_mutex);
90 return _video_frame_rate;
93 dcpomatic::DCPTime length () const {
94 boost::mutex::scoped_lock lm (_mutex);
98 std::pair<boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> player_video () const {
99 boost::mutex::scoped_lock lm (_mutex);
100 return _player_video;
103 void add_dropped () {
104 boost::mutex::scoped_lock lm (_mutex);
110 #ifdef DCPOMATIC_VARIANT_SWAROOP
117 /** Mutex protecting all the state in VideoView */
118 mutable boost::mutex _mutex;
120 std::pair<boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> _player_video;
121 int _video_frame_rate;
122 /** length of the film we are playing, or 0 if there is none */
123 dcpomatic::DCPTime _length;