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 #include "video_source.h"
21 #include "video_sink.h"
23 using boost::shared_ptr;
24 using boost::weak_ptr;
28 process_video_proxy (weak_ptr<VideoSink> sink, shared_ptr<const Image> image, bool same, Time time)
30 shared_ptr<VideoSink> p = sink.lock ();
32 p->process_video (image, same, time);
37 VideoSource::connect_video (shared_ptr<VideoSink> s)
39 /* If we bind, say, a Player (as the VideoSink) to a Decoder (which is owned
40 by the Player) we create a cycle. Use a weak_ptr to break it.
42 Video.connect (bind (process_video_proxy, weak_ptr<VideoSink> (s), _1, _2, _3));