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 "lib/timer.h"
26 #include "lib/types.h"
27 #include "lib/exception_store.h"
28 #include <boost/shared_ptr.hpp>
29 #include <boost/signals2.hpp>
30 #include <boost/thread.hpp>
31 #include <boost/noncopyable.hpp>
38 class VideoView : public ExceptionStore, public boost::noncopyable
41 VideoView (FilmViewer* viewer);
42 virtual ~VideoView () {}
44 virtual void set_image (boost::shared_ptr<const Image> image) = 0;
45 virtual wxWindow* get () const = 0;
46 /** Redraw the view after something has changed like content outlining,
47 * the film being removed, etc.
49 virtual void update () = 0;
51 virtual void start ();
52 /* XXX_b: make pure */
53 virtual void stop () {}
57 boost::signals2::signal<void()> Sized;
59 virtual bool display_next_frame (bool) = 0;
61 /* XXX_b: to remove */
62 virtual void display_player_video () {}
64 int dropped () const {
65 boost::mutex::scoped_lock lm (_mutex);
70 boost::mutex::scoped_lock lm (_mutex);
74 StateTimer const & state_timer () const {
78 dcpomatic::DCPTime position () const {
79 boost::mutex::scoped_lock lm (_mutex);
80 return _player_video.second;
83 void set_video_frame_rate (int r) {
84 boost::mutex::scoped_lock lm (_mutex);
85 _video_frame_rate = r;
88 void set_length (dcpomatic::DCPTime len) {
89 boost::mutex::scoped_lock lm (_mutex);
93 void set_eyes (Eyes eyes) {
94 boost::mutex::scoped_lock lm (_mutex);
98 void set_three_d (bool t) {
99 boost::mutex::scoped_lock lm (_mutex);
104 /* XXX_b: to remove */
105 friend class FilmViewer;
107 bool get_next_frame (bool non_blocking);
108 int time_until_next_frame () const;
109 dcpomatic::DCPTime one_video_frame () const;
111 int video_frame_rate () const {
112 boost::mutex::scoped_lock lm (_mutex);
113 return _video_frame_rate;
116 dcpomatic::DCPTime length () const {
117 boost::mutex::scoped_lock lm (_mutex);
121 std::pair<boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> player_video () const {
122 boost::mutex::scoped_lock lm (_mutex);
123 return _player_video;
126 void add_dropped () {
127 boost::mutex::scoped_lock lm (_mutex);
132 boost::mutex::scoped_lock lm (_mutex);
138 #ifdef DCPOMATIC_VARIANT_SWAROOP
144 StateTimer _state_timer;
147 /** Mutex protecting all the state in VideoView */
148 mutable boost::mutex _mutex;
150 std::pair<boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> _player_video;
151 int _video_frame_rate;
152 /** length of the film we are playing, or 0 if there is none */
153 dcpomatic::DCPTime _length;