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)
39 #ifdef DCPOMATIC_VARIANT_SWAROOP
40 , _in_watermark (false)
42 , _video_frame_rate (0)
45 virtual ~VideoView () {}
47 virtual void set_image (boost::shared_ptr<const Image> image) = 0;
48 virtual wxWindow* get () const = 0;
49 /** Redraw the view after something has changed like content outlining,
50 * the film being removed, etc.
52 virtual void update () = 0;
54 /* XXX_b: make pure */
55 virtual void start () {}
56 /* XXX_b: make pure */
57 virtual void stop () {}
61 boost::signals2::signal<void()> Sized;
63 virtual bool display_next_frame (bool) = 0;
65 /* XXX_b: to remove */
66 virtual void display_player_video () {}
68 dcpomatic::DCPTime position () const {
69 boost::mutex::scoped_lock lm (_mutex);
70 return _player_video.second;
73 void set_video_frame_rate (int r) {
74 boost::mutex::scoped_lock lm (_mutex);
75 _video_frame_rate = r;
78 void set_length (dcpomatic::DCPTime len) {
79 boost::mutex::scoped_lock lm (_mutex);
84 /* XXX_b: to remove */
85 friend class FilmViewer;
87 bool get_next_frame (bool non_blocking);
88 int time_until_next_frame () const;
89 dcpomatic::DCPTime one_video_frame () const;
91 int video_frame_rate () const {
92 boost::mutex::scoped_lock lm (_mutex);
93 return _video_frame_rate;
96 dcpomatic::DCPTime length () const {
97 boost::mutex::scoped_lock lm (_mutex);
101 std::pair<boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> player_video () const {
102 boost::mutex::scoped_lock lm (_mutex);
103 return _player_video;
108 #ifdef DCPOMATIC_VARIANT_SWAROOP
115 /** Mutex protecting all the state in VideoView */
116 mutable boost::mutex _mutex;
118 std::pair<boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> _player_video;
119 int _video_frame_rate;
120 /** length of the film we are playing, or 0 if there is none */
121 dcpomatic::DCPTime _length;