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 <boost/shared_ptr.hpp>
28 #include <boost/signals2.hpp>
29 #include <boost/thread.hpp>
39 VideoView (FilmViewer* viewer);
40 virtual ~VideoView () {}
42 virtual void set_image (boost::shared_ptr<const Image> image) = 0;
43 virtual wxWindow* get () const = 0;
44 /** Redraw the view after something has changed like content outlining,
45 * the film being removed, etc.
47 virtual void update () = 0;
49 virtual void start ();
50 /* XXX_b: make pure */
51 virtual void stop () {}
55 boost::signals2::signal<void()> Sized;
57 virtual bool display_next_frame (bool) = 0;
59 /* XXX_b: to remove */
60 virtual void display_player_video () {}
62 int dropped () const {
63 boost::mutex::scoped_lock lm (_mutex);
68 boost::mutex::scoped_lock lm (_mutex);
72 StateTimer const & state_timer () const {
76 dcpomatic::DCPTime position () const {
77 boost::mutex::scoped_lock lm (_mutex);
78 return _player_video.second;
81 void set_video_frame_rate (int r) {
82 boost::mutex::scoped_lock lm (_mutex);
83 _video_frame_rate = r;
86 void set_length (dcpomatic::DCPTime len) {
87 boost::mutex::scoped_lock lm (_mutex);
91 void set_eyes (Eyes eyes) {
92 boost::mutex::scoped_lock lm (_mutex);
97 /* XXX_b: to remove */
98 friend class FilmViewer;
100 bool get_next_frame (bool non_blocking);
101 int time_until_next_frame () const;
102 dcpomatic::DCPTime one_video_frame () const;
104 int video_frame_rate () const {
105 boost::mutex::scoped_lock lm (_mutex);
106 return _video_frame_rate;
109 dcpomatic::DCPTime length () const {
110 boost::mutex::scoped_lock lm (_mutex);
114 std::pair<boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> player_video () const {
115 boost::mutex::scoped_lock lm (_mutex);
116 return _player_video;
119 void add_dropped () {
120 boost::mutex::scoped_lock lm (_mutex);
125 boost::mutex::scoped_lock lm (_mutex);
131 #ifdef DCPOMATIC_VARIANT_SWAROOP
137 StateTimer _state_timer;
140 /** Mutex protecting all the state in VideoView */
141 mutable boost::mutex _mutex;
143 std::pair<boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> _player_video;
144 int _video_frame_rate;
145 /** length of the film we are playing, or 0 if there is none */
146 dcpomatic::DCPTime _length;