2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/video_source.h
21 * @brief Parent class for classes which emit video data.
24 #ifndef DCPOMATIC_VIDEO_SOURCE_H
25 #define DCPOMATIC_VIDEO_SOURCE_H
27 #include <boost/shared_ptr.hpp>
28 #include <boost/signals2.hpp>
35 /** @class VideoSource
36 * @param A class that emits video data without timestamps.
42 /** Emitted when a video frame is ready.
43 * First parameter is the video image.
44 * Second parameter is true if the image is the same as the last one that was emitted.
45 * Third parameter is either 0 or a subtitle that should be on this frame.
47 boost::signals2::signal<void (boost::shared_ptr<const Image>, bool, boost::shared_ptr<Subtitle>, Time)> Video;
49 void connect_video (boost::shared_ptr<VideoSink>);