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/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "video_source.h"
#include "video_sink.h"
using boost::shared_ptr;
using boost::weak_ptr;
using boost::bind;
static void
process_video_proxy (weak_ptr<VideoSink> sink, shared_ptr<const Image> image, bool same, shared_ptr<Subtitle> sub, Time time)
{
shared_ptr<VideoSink> p = sink.lock ();
if (p) {
p->process_video (image, same, sub, time);
}
}
void
VideoSource::connect_video (shared_ptr<VideoSink> s)
{
/* If we bind, say, a Player (as the VideoSink) to a Decoder (which is owned
by the Player) we create a cycle. Use a weak_ptr to break it.
*/
Video.connect (bind (process_video_proxy, weak_ptr<VideoSink> (s), _1, _2, _3, _4));
}
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